From d921bd72d850bf6abaeb1dd392a120bee8f22495 Mon Sep 17 00:00:00 2001 From: rozetko Date: Tue, 17 Jul 2018 18:17:44 +0300 Subject: [PATCH 1/2] fix --- src/graph_renderer.ts | 125 +- src/threshold_manager.ts | 2 +- src/vendor/flot/jquery.flot.crosshair.js | 176 - src/vendor/flot/jquery.flot.dashes.js | 236 -- src/vendor/flot/jquery.flot.fillbelow.js | 288 -- src/vendor/flot/jquery.flot.fillbetween.js | 225 -- src/vendor/flot/jquery.flot.gauge.js | 960 ------ src/vendor/flot/jquery.flot.js | 3198 ------------------- src/vendor/flot/jquery.flot.pie.js | 817 ----- src/vendor/flot/jquery.flot.selection.js | 380 --- src/vendor/flot/jquery.flot.stack.js | 190 -- src/vendor/flot/jquery.flot.stackpercent.js | 126 - src/vendor/flot/jquery.flot.time.js | 431 --- 13 files changed, 112 insertions(+), 7042 deletions(-) delete mode 100644 src/vendor/flot/jquery.flot.crosshair.js delete mode 100644 src/vendor/flot/jquery.flot.dashes.js delete mode 100644 src/vendor/flot/jquery.flot.fillbelow.js delete mode 100644 src/vendor/flot/jquery.flot.fillbetween.js delete mode 100644 src/vendor/flot/jquery.flot.gauge.js delete mode 100644 src/vendor/flot/jquery.flot.js delete mode 100644 src/vendor/flot/jquery.flot.pie.js delete mode 100644 src/vendor/flot/jquery.flot.selection.js delete mode 100644 src/vendor/flot/jquery.flot.stack.js delete mode 100644 src/vendor/flot/jquery.flot.stackpercent.js delete mode 100644 src/vendor/flot/jquery.flot.time.js diff --git a/src/graph_renderer.ts b/src/graph_renderer.ts index 31bf3ead..c91c7a39 100644 --- a/src/graph_renderer.ts +++ b/src/graph_renderer.ts @@ -12,19 +12,21 @@ import { import { GraphCtrl } from './module'; -import './vendor/flot/jquery.flot'; -import './vendor/flot/jquery.flot.time'; -import './vendor/flot/jquery.flot.selection'; -import './vendor/flot/jquery.flot.stack'; -import './vendor/flot/jquery.flot.stackpercent'; -import './vendor/flot/jquery.flot.fillbelow'; -import './vendor/flot/jquery.flot.crosshair'; -import './vendor/flot/jquery.flot.dashes'; -import './vendor/flot/jquery.flot.events'; +import 'grafana/vendor/flot/jquery.flot.js'; +import 'grafana/vendor/flot/jquery.flot.time.js'; +import 'grafana/vendor/flot/jquery.flot.selection.js'; +import 'grafana/vendor/flot/jquery.flot.stack.js'; +import 'grafana/vendor/flot/jquery.flot.stackpercent.js'; +import 'grafana/vendor/flot/jquery.flot.fillbelow.js'; +import 'grafana/vendor/flot/jquery.flot.crosshair.js'; +import 'grafana/vendor/flot/jquery.flot.dashes.js'; +import 'grafana/vendor/flot/jquery.flot.gauge.js'; +import 'grafana/vendor/flot/jquery.flot.pie.js'; +import './vendor/flot/jquery.flot.events.js'; // import { EventManager } from 'grafana/app/features/annotations/event_manager'; import TimeSeries from 'grafana/app/core/time_series2'; -import { getFlotTickDecimals } from 'grafana/app/core/utils/ticks'; +// import { getFlotTickDecimals } from 'grafana/app/core/utils/ticks'; import { tickStep } from 'grafana/app/core/utils/ticks'; import { appEvents, coreModule } from 'grafana/app/core/core'; import kbn from 'grafana/app/core/utils/kbn'; @@ -76,11 +78,11 @@ export class GraphRenderer { if(this._ananlyticController === undefined) { throw new Error('ananlyticController is undefined'); } - - + + // this.annotations = []; this.panelWidth = 0; - + // this.eventManager = new EventManager(this.ctrl); this.flotOptions = {} this.thresholdManager = new ThresholdManager(this.ctrl); @@ -349,7 +351,7 @@ export class GraphRenderer { var strokeAlpha = 0.4; if(this._isAnomalyEvent(e)) { if(this._ananlyticController.labelingDeleteMode) { - color = this.contextSrv.user.lightTheme ? + color = this.contextSrv.user.lightTheme ? ANOMALY_REGION_DELETE_COLOR_LIGHT : ANOMALY_REGION_DELETE_COLOR_DARK; } else { @@ -842,3 +844,98 @@ function updateLegendValues(data: TimeSeries[], panel) { } } +function getDataMinMax(data: TimeSeries[]) { + let datamin = null; + let datamax = null; + + for (let series of data) { + if (datamax === null || datamax < series.stats.max) { + datamax = series.stats.max; + } + if (datamin === null || datamin > series.stats.min) { + datamin = series.stats.min; + } + } + + return { datamin, datamax }; +} + +function getFlotRange(panelMin, panelMax, datamin, datamax) { + const autoscaleMargin = 0.02; + + let min = +(panelMin != null ? panelMin : datamin); + let max = +(panelMax != null ? panelMax : datamax); + let delta = max - min; + + if (delta === 0.0) { + // Grafana fix: wide Y min and max using increased wideFactor + // when all series values are the same + var wideFactor = 0.25; + var widen = Math.abs(max === 0 ? 1 : max * wideFactor); + + if (panelMin === null) { + min -= widen; + } + // always widen max if we couldn't widen min to ensure we + // don't fall into min == max which doesn't work + if (panelMax == null || panelMin != null) { + max += widen; + } + } else { + // consider autoscaling + var margin = autoscaleMargin; + if (margin != null) { + if (panelMin == null) { + min -= delta * margin; + // make sure we don't go below zero if all values + // are positive + if (min < 0 && datamin != null && datamin >= 0) { + min = 0; + } + } + if (panelMax == null) { + max += delta * margin; + if (max > 0 && datamax != null && datamax <= 0) { + max = 0; + } + } + } + } + return { min, max }; +} + +function getFlotTickDecimals(data, axis) { + let { datamin, datamax } = getDataMinMax(data); + let { min, max } = getFlotRange(axis.min, axis.max, datamin, datamax); + let noTicks = 3; + let tickDecimals, maxDec; + let delta = (max - min) / noTicks; + let dec = -Math.floor(Math.log(delta) / Math.LN10); + + let magn = Math.pow(10, -dec); + // norm is between 1.0 and 10.0 + let norm = delta / magn; + let size; + + if (norm < 1.5) { + size = 1; + } else if (norm < 3) { + size = 2; + // special case for 2.5, requires an extra decimal + if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { + size = 2.5; + ++dec; + } + } else if (norm < 7.5) { + size = 5; + } else { + size = 10; + } + + size *= magn; + + tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); + // grafana addition + const scaledDecimals = tickDecimals - Math.floor(Math.log(size) / Math.LN10); + return { tickDecimals, scaledDecimals }; +} diff --git a/src/threshold_manager.ts b/src/threshold_manager.ts index 1912aa45..953ea2ed 100644 --- a/src/threshold_manager.ts +++ b/src/threshold_manager.ts @@ -1,4 +1,4 @@ -import './vendor/flot/jquery.flot'; +import 'grafana/vendor/flot/jquery.flot.js'; import * as $ from 'jquery'; import _ from 'lodash'; diff --git a/src/vendor/flot/jquery.flot.crosshair.js b/src/vendor/flot/jquery.flot.crosshair.js deleted file mode 100644 index 5111695e..00000000 --- a/src/vendor/flot/jquery.flot.crosshair.js +++ /dev/null @@ -1,176 +0,0 @@ -/* Flot plugin for showing crosshairs when the mouse hovers over the plot. - -Copyright (c) 2007-2014 IOLA and Ole Laursen. -Licensed under the MIT license. - -The plugin supports these options: - - crosshair: { - mode: null or "x" or "y" or "xy" - color: color - lineWidth: number - } - -Set the mode to one of "x", "y" or "xy". The "x" mode enables a vertical -crosshair that lets you trace the values on the x axis, "y" enables a -horizontal crosshair and "xy" enables them both. "color" is the color of the -crosshair (default is "rgba(170, 0, 0, 0.80)"), "lineWidth" is the width of -the drawn lines (default is 1). - -The plugin also adds four public methods: - - - setCrosshair( pos ) - - Set the position of the crosshair. Note that this is cleared if the user - moves the mouse. "pos" is in coordinates of the plot and should be on the - form { x: xpos, y: ypos } (you can use x2/x3/... if you're using multiple - axes), which is coincidentally the same format as what you get from a - "plothover" event. If "pos" is null, the crosshair is cleared. - - - clearCrosshair() - - Clear the crosshair. - - - lockCrosshair(pos) - - Cause the crosshair to lock to the current location, no longer updating if - the user moves the mouse. Optionally supply a position (passed on to - setCrosshair()) to move it to. - - Example usage: - - var myFlot = $.plot( $("#graph"), ..., { crosshair: { mode: "x" } } }; - $("#graph").bind( "plothover", function ( evt, position, item ) { - if ( item ) { - // Lock the crosshair to the data point being hovered - myFlot.lockCrosshair({ - x: item.datapoint[ 0 ], - y: item.datapoint[ 1 ] - }); - } else { - // Return normal crosshair operation - myFlot.unlockCrosshair(); - } - }); - - - unlockCrosshair() - - Free the crosshair to move again after locking it. -*/ - -(function ($) { - var options = { - crosshair: { - mode: null, // one of null, "x", "y" or "xy", - color: "rgba(170, 0, 0, 0.80)", - lineWidth: 1 - } - }; - - function init(plot) { - // position of crosshair in pixels - var crosshair = { x: -1, y: -1, locked: false }; - - plot.setCrosshair = function setCrosshair(pos) { - if (!pos) - crosshair.x = -1; - else { - var o = plot.p2c(pos); - crosshair.x = Math.max(0, Math.min(o.left, plot.width())); - crosshair.y = Math.max(0, Math.min(o.top, plot.height())); - } - - plot.triggerRedrawOverlay(); - }; - - plot.clearCrosshair = plot.setCrosshair; // passes null for pos - - plot.lockCrosshair = function lockCrosshair(pos) { - if (pos) - plot.setCrosshair(pos); - crosshair.locked = true; - }; - - plot.unlockCrosshair = function unlockCrosshair() { - crosshair.locked = false; - }; - - function onMouseOut(e) { - if (crosshair.locked) - return; - - if (crosshair.x != -1) { - crosshair.x = -1; - plot.triggerRedrawOverlay(); - } - } - - function onMouseMove(e) { - if (crosshair.locked) - return; - - if (plot.getSelection && plot.getSelection()) { - crosshair.x = -1; // hide the crosshair while selecting - return; - } - - var offset = plot.offset(); - crosshair.x = Math.max(0, Math.min(e.pageX - offset.left, plot.width())); - crosshair.y = Math.max(0, Math.min(e.pageY - offset.top, plot.height())); - plot.triggerRedrawOverlay(); - } - - plot.hooks.bindEvents.push(function (plot, eventHolder) { - if (!plot.getOptions().crosshair.mode) - return; - - eventHolder.mouseout(onMouseOut); - eventHolder.mousemove(onMouseMove); - }); - - plot.hooks.drawOverlay.push(function (plot, ctx) { - var c = plot.getOptions().crosshair; - if (!c.mode) - return; - - var plotOffset = plot.getPlotOffset(); - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - if (crosshair.x != -1) { - var adj = plot.getOptions().crosshair.lineWidth % 2 ? 0.5 : 0; - - ctx.strokeStyle = c.color; - ctx.lineWidth = c.lineWidth; - ctx.lineJoin = "round"; - - ctx.beginPath(); - if (c.mode.indexOf("x") != -1) { - var drawX = Math.floor(crosshair.x) + adj; - ctx.moveTo(drawX, 0); - ctx.lineTo(drawX, plot.height()); - } - if (c.mode.indexOf("y") != -1) { - var drawY = Math.floor(crosshair.y) + adj; - ctx.moveTo(0, drawY); - ctx.lineTo(plot.width(), drawY); - } - ctx.stroke(); - } - ctx.restore(); - }); - - plot.hooks.shutdown.push(function (plot, eventHolder) { - eventHolder.unbind("mouseout", onMouseOut); - eventHolder.unbind("mousemove", onMouseMove); - }); - } - - $.plot.plugins.push({ - init: init, - options: options, - name: 'crosshair', - version: '1.0' - }); -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.dashes.js b/src/vendor/flot/jquery.flot.dashes.js deleted file mode 100644 index 5b204a55..00000000 --- a/src/vendor/flot/jquery.flot.dashes.js +++ /dev/null @@ -1,236 +0,0 @@ -/* - * jQuery.flot.dashes - * - * options = { - * series: { - * dashes: { - * - * // show - * // default: false - * // Whether to show dashes for the series. - * show: , - * - * // lineWidth - * // default: 2 - * // The width of the dashed line in pixels. - * lineWidth: , - * - * // dashLength - * // default: 10 - * // Controls the length of the individual dashes and the amount of - * // space between them. - * // If this is a number, the dashes and spaces will have that length. - * // If this is an array, it is read as [ dashLength, spaceLength ] - * dashLength: or - * } - * } - * } - */ -(function($){ - - function init(plot) { - - plot.hooks.processDatapoints.push(function(plot, series, datapoints) { - - if (!series.dashes.show) return; - - plot.hooks.draw.push(function(plot, ctx) { - - var plotOffset = plot.getPlotOffset(), - axisx = series.xaxis, - axisy = series.yaxis; - - function plotDashes(xoffset, yoffset) { - - var points = datapoints.points, - ps = datapoints.pointsize, - prevx = null, - prevy = null, - dashRemainder = 0, - dashOn = true, - dashOnLength, - dashOffLength; - - if (series.dashes.dashLength[0]) { - dashOnLength = series.dashes.dashLength[0]; - if (series.dashes.dashLength[1]) { - dashOffLength = series.dashes.dashLength[1]; - } else { - dashOffLength = dashOnLength; - } - } else { - dashOffLength = dashOnLength = series.dashes.dashLength; - } - - ctx.beginPath(); - - for (var i = ps; i < points.length; i += ps) { - - var x1 = points[i - ps], - y1 = points[i - ps + 1], - x2 = points[i], - y2 = points[i + 1]; - - if (x1 == null || x2 == null) continue; - - // clip with ymin - if (y1 <= y2 && y1 < axisy.min) { - if (y2 < axisy.min) continue; // line segment is outside - // compute new intersection point - x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; - y1 = axisy.min; - } else if (y2 <= y1 && y2 < axisy.min) { - if (y1 < axisy.min) continue; - x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; - y2 = axisy.min; - } - - // clip with ymax - if (y1 >= y2 && y1 > axisy.max) { - if (y2 > axisy.max) continue; - x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; - y1 = axisy.max; - } else if (y2 >= y1 && y2 > axisy.max) { - if (y1 > axisy.max) continue; - x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; - y2 = axisy.max; - } - - // clip with xmin - if (x1 <= x2 && x1 < axisx.min) { - if (x2 < axisx.min) continue; - y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; - x1 = axisx.min; - } else if (x2 <= x1 && x2 < axisx.min) { - if (x1 < axisx.min) continue; - y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; - x2 = axisx.min; - } - - // clip with xmax - if (x1 >= x2 && x1 > axisx.max) { - if (x2 > axisx.max) continue; - y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; - x1 = axisx.max; - } else if (x2 >= x1 && x2 > axisx.max) { - if (x1 > axisx.max) continue; - y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; - x2 = axisx.max; - } - - if (x1 != prevx || y1 != prevy) { - ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); - } - - var ax1 = axisx.p2c(x1) + xoffset, - ay1 = axisy.p2c(y1) + yoffset, - ax2 = axisx.p2c(x2) + xoffset, - ay2 = axisy.p2c(y2) + yoffset, - dashOffset; - - function lineSegmentOffset(segmentLength) { - - var c = Math.sqrt(Math.pow(ax2 - ax1, 2) + Math.pow(ay2 - ay1, 2)); - - if (c <= segmentLength) { - return { - deltaX: ax2 - ax1, - deltaY: ay2 - ay1, - distance: c, - remainder: segmentLength - c - } - } else { - var xsign = ax2 > ax1 ? 1 : -1, - ysign = ay2 > ay1 ? 1 : -1; - return { - deltaX: xsign * Math.sqrt(Math.pow(segmentLength, 2) / (1 + Math.pow((ay2 - ay1)/(ax2 - ax1), 2))), - deltaY: ysign * Math.sqrt(Math.pow(segmentLength, 2) - Math.pow(segmentLength, 2) / (1 + Math.pow((ay2 - ay1)/(ax2 - ax1), 2))), - distance: segmentLength, - remainder: 0 - }; - } - } - //-end lineSegmentOffset - - do { - - dashOffset = lineSegmentOffset( - dashRemainder > 0 ? dashRemainder : - dashOn ? dashOnLength : dashOffLength); - - if (dashOffset.deltaX != 0 || dashOffset.deltaY != 0) { - if (dashOn) { - ctx.lineTo(ax1 + dashOffset.deltaX, ay1 + dashOffset.deltaY); - } else { - ctx.moveTo(ax1 + dashOffset.deltaX, ay1 + dashOffset.deltaY); - } - } - - dashOn = !dashOn; - dashRemainder = dashOffset.remainder; - ax1 += dashOffset.deltaX; - ay1 += dashOffset.deltaY; - - } while (dashOffset.distance > 0); - - prevx = x2; - prevy = y2; - } - - ctx.stroke(); - } - //-end plotDashes - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - ctx.lineJoin = 'round'; - - var lw = series.dashes.lineWidth, - sw = series.shadowSize; - - // FIXME: consider another form of shadow when filling is turned on - if (lw > 0 && sw > 0) { - // draw shadow as a thick and thin line with transparency - ctx.lineWidth = sw; - ctx.strokeStyle = "rgba(0,0,0,0.1)"; - // position shadow at angle from the mid of line - var angle = Math.PI/18; - plotDashes(Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2)); - ctx.lineWidth = sw/2; - plotDashes(Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4)); - } - - ctx.lineWidth = lw; - ctx.strokeStyle = series.color; - - if (lw > 0) { - plotDashes(0, 0); - } - - ctx.restore(); - - }); - //-end draw hook - - }); - //-end processDatapoints hook - - } - //-end init - - $.plot.plugins.push({ - init: init, - options: { - series: { - dashes: { - show: false, - lineWidth: 2, - dashLength: 10 - } - } - }, - name: 'dashes', - version: '0.1' - }); - -})(jQuery) diff --git a/src/vendor/flot/jquery.flot.fillbelow.js b/src/vendor/flot/jquery.flot.fillbelow.js deleted file mode 100644 index ede2cb5e..00000000 --- a/src/vendor/flot/jquery.flot.fillbelow.js +++ /dev/null @@ -1,288 +0,0 @@ -(function($) { - "use strict"; - - var options = { - series: { - fillBelowTo: null - } - }; - - function init(plot) { - function findBelowSeries( series, allseries ) { - - var i; - - for ( i = 0; i < allseries.length; ++i ) { - if ( allseries[ i ].id === series.fillBelowTo ) { - return allseries[ i ]; - } - } - - return null; - } - - /* top and bottom doesn't actually matter for this, we're just using it to help make this easier to think about */ - /* this is a vector cross product operation */ - function segmentIntersection(top_left_x, top_left_y, top_right_x, top_right_y, bottom_left_x, bottom_left_y, bottom_right_x, bottom_right_y) { - var top_delta_x, top_delta_y, bottom_delta_x, bottom_delta_y, - s, t; - - top_delta_x = top_right_x - top_left_x; - top_delta_y = top_right_y - top_left_y; - bottom_delta_x = bottom_right_x - bottom_left_x; - bottom_delta_y = bottom_right_y - bottom_left_y; - - s = ( - (-top_delta_y * (top_left_x - bottom_left_x)) + (top_delta_x * (top_left_y - bottom_left_y)) - ) / ( - -bottom_delta_x * top_delta_y + top_delta_x * bottom_delta_y - ); - - t = ( - (bottom_delta_x * (top_left_y - bottom_left_y)) - (bottom_delta_y * (top_left_x - bottom_left_x)) - ) / ( - -bottom_delta_x * top_delta_y + top_delta_x * bottom_delta_y - ); - - // Collision detected - if (s >= 0 && s <= 1 && t >= 0 && t <= 1) { - return [ - top_left_x + (t * top_delta_x), // X - top_left_y + (t * top_delta_y) // Y - ]; - } - - // No collision - return null; - } - - function plotDifferenceArea(plot, ctx, series) { - if ( series.fillBelowTo === null ) { - return; - } - - var otherseries, - - ps, - points, - - otherps, - otherpoints, - - plotOffset, - fillStyle; - - function openPolygon(x, y) { - ctx.beginPath(); - ctx.moveTo( - series.xaxis.p2c(x) + plotOffset.left, - series.yaxis.p2c(y) + plotOffset.top - ); - - } - - function closePolygon() { - ctx.closePath(); - ctx.fill(); - } - - function validateInput() { - if (points.length/ps !== otherpoints.length/otherps) { - console.error("Refusing to graph inconsistent number of points"); - return false; - } - - var i; - for (i = 0; i < (points.length / ps); i++) { - if ( - points[i * ps] !== null && - otherpoints[i * otherps] !== null && - points[i * ps] !== otherpoints[i * otherps] - ) { - console.error("Refusing to graph points without matching value"); - return false; - } - } - - return true; - } - - function findNextStart(start_i, end_i) { - console.assert(end_i > start_i, "expects the end index to be greater than the start index"); - - var start = ( - start_i === 0 || - points[start_i - 1] === null || - otherpoints[start_i - 1] === null - ), - equal = false, - i, - intersect; - - for (i = start_i; i < end_i; i++) { - // Take note of null points - if ( - points[(i * ps) + 1] === null || - otherpoints[(i * ps) + 1] === null - ) { - equal = false; - start = true; - } - - // Take note of equal points - else if (points[(i * ps) + 1] === otherpoints[(i * otherps) + 1]) { - equal = true; - start = false; - } - - - else if (points[(i * ps) + 1] > otherpoints[(i * otherps) + 1]) { - // If we begin above the desired point - if (start) { - openPolygon(points[i * ps], points[(i * ps) + 1]); - } - - // If an equal point preceeds this, start the polygon at that equal point - else if (equal) { - openPolygon(points[(i - 1) * ps], points[((i - 1) * ps) + 1]); - } - - // Otherwise, find the intersection point, and start it there - else { - intersect = intersectionPoint(i); - openPolygon(intersect[0], intersect[1]); - } - - topTraversal(i, end_i); - return; - } - - // If we go below equal, equal at any preceeding point is irrelevant - else { - start = false; - equal = false; - } - } - } - - function intersectionPoint(right_i) { - console.assert(right_i > 0, "expects the second point in the series line segment"); - - var i, intersect; - - for (i = 1; i < (otherpoints.length/otherps); i++) { - intersect = segmentIntersection( - points[(right_i - 1) * ps], points[((right_i - 1) * ps) + 1], - points[right_i * ps], points[(right_i * ps) + 1], - - otherpoints[(i - 1) * otherps], otherpoints[((i - 1) * otherps) + 1], - otherpoints[i * otherps], otherpoints[(i * otherps) + 1] - ); - - if (intersect !== null) { - return intersect; - } - } - - console.error("intersectionPoint() should only be called when an intersection happens"); - } - - function bottomTraversal(start_i, end_i) { - console.assert(start_i >= end_i, "the start should be the rightmost point, and the end should be the leftmost (excluding the equal or intersecting point)"); - - var i; - - for (i = start_i; i >= end_i; i--) { - ctx.lineTo( - otherseries.xaxis.p2c(otherpoints[i * otherps]) + plotOffset.left, - otherseries.yaxis.p2c(otherpoints[(i * otherps) + 1]) + plotOffset.top - ); - } - - closePolygon(); - } - - function topTraversal(start_i, end_i) { - console.assert(start_i <= end_i, "the start should be the rightmost point, and the end should be the leftmost (excluding the equal or intersecting point)"); - - var i, - intersect; - - for (i = start_i; i < end_i; i++) { - if (points[(i * ps) + 1] === null && i > start_i) { - bottomTraversal(i - 1, start_i); - findNextStart(i, end_i); - return; - } - - else if (points[(i * ps) + 1] === otherpoints[(i * otherps) + 1]) { - bottomTraversal(i, start_i); - findNextStart(i, end_i); - return; - } - - else if (points[(i * ps) + 1] < otherpoints[(i * otherps) + 1]) { - intersect = intersectionPoint(i); - ctx.lineTo( - series.xaxis.p2c(intersect[0]) + plotOffset.left, - series.yaxis.p2c(intersect[1]) + plotOffset.top - ); - bottomTraversal(i, start_i); - findNextStart(i, end_i); - return; - - } - - else { - ctx.lineTo( - series.xaxis.p2c(points[i * ps]) + plotOffset.left, - series.yaxis.p2c(points[(i * ps) + 1]) + plotOffset.top - ); - } - } - - bottomTraversal(end_i, start_i); - } - - - // Begin processing - - otherseries = findBelowSeries( series, plot.getData() ); - - if ( !otherseries ) { - return; - } - - ps = series.datapoints.pointsize; - points = series.datapoints.points; - otherps = otherseries.datapoints.pointsize; - otherpoints = otherseries.datapoints.points; - plotOffset = plot.getPlotOffset(); - - if (!validateInput()) { - return; - } - - - // Flot's getFillStyle() should probably be exposed somewhere - fillStyle = $.color.parse(series.color); - fillStyle.a = 0.4; - fillStyle.normalize(); - ctx.fillStyle = fillStyle.toString(); - - - // Begin recursive bi-directional traversal - findNextStart(0, points.length/ps); - } - - plot.hooks.drawSeries.push(plotDifferenceArea); - } - - $.plot.plugins.push({ - init: init, - options: options, - name: "fillbelow", - version: "0.1.0" - }); - -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.fillbetween.js b/src/vendor/flot/jquery.flot.fillbetween.js deleted file mode 100644 index bd945670..00000000 --- a/src/vendor/flot/jquery.flot.fillbetween.js +++ /dev/null @@ -1,225 +0,0 @@ -/* Flot plugin for computing bottoms for filled line and bar charts. - -Copyright (c) 2007-2013 IOLA and Ole Laursen. -Licensed under the MIT license. - -The case: you've got two series that you want to fill the area between. In Flot -terms, you need to use one as the fill bottom of the other. You can specify the -bottom of each data point as the third coordinate manually, or you can use this -plugin to compute it for you. - -In order to name the other series, you need to give it an id, like this: - - var dataset = [ - { data: [ ... ], id: "foo" } , // use default bottom - { data: [ ... ], fillBetween: "foo" }, // use first dataset as bottom - ]; - - $.plot($("#placeholder"), dataset, { lines: { show: true, fill: true }}); - -As a convenience, if the id given is a number that doesn't appear as an id in -the series, it is interpreted as the index in the array instead (so fillBetween: -0 can also mean the first series). - -Internally, the plugin modifies the datapoints in each series. For line series, -extra data points might be inserted through interpolation. Note that at points -where the bottom line is not defined (due to a null point or start/end of line), -the current line will show a gap too. The algorithm comes from the -jquery.flot.stack.js plugin, possibly some code could be shared. - -*/ - -(function ( $ ) { - - var options = { - series: { - fillBetween: null // or number - } - }; - - function init( plot ) { - - function findBottomSeries( s, allseries ) { - - var i; - - for ( i = 0; i < allseries.length; ++i ) { - if ( allseries[ i ].id === s.fillBetween ) { - return allseries[ i ]; - } - } - - if ( typeof s.fillBetween === "number" ) { - if ( s.fillBetween < 0 || s.fillBetween >= allseries.length ) { - return null; - } - return allseries[ s.fillBetween ]; - } - - return null; - } - - function computeFillBottoms( plot, s, datapoints ) { - if ( s.fillBetween == null ) { - return; - } - - var other = findBottomSeries( s, plot.getData() ); - - if ( !other ) { - return; - } - - var ps = datapoints.pointsize, - points = datapoints.points, - otherps = other.datapoints.pointsize, - otherpoints = other.datapoints.points, - newpoints = [], - px, py, intery, qx, qy, bottom, - withlines = s.lines.show, - withbottom = ps > 2 && datapoints.format[2].y, - withsteps = withlines && s.lines.steps, - fromgap = true, - i = 0, - j = 0, - l, m; - - while ( true ) { - - if ( i >= points.length ) { - break; - } - - l = newpoints.length; - - if ( points[ i ] == null ) { - - // copy gaps - - for ( m = 0; m < ps; ++m ) { - newpoints.push( points[ i + m ] ); - } - - i += ps; - - } else if ( j >= otherpoints.length ) { - - // for lines, we can't use the rest of the points - - if ( !withlines ) { - for ( m = 0; m < ps; ++m ) { - newpoints.push( points[ i + m ] ); - } - } - - i += ps; - - } else if ( otherpoints[ j ] == null ) { - - // oops, got a gap - - for ( m = 0; m < ps; ++m ) { - newpoints.push( null ); - } - - fromgap = true; - j += otherps; - - } else { - - // cases where we actually got two points - - px = points[ i ]; - py = points[ i + 1 ]; - qx = otherpoints[ j ]; - qy = otherpoints[ j + 1 ]; - bottom = 0; - - if ( px === qx ) { - - for ( m = 0; m < ps; ++m ) { - newpoints.push( points[ i + m ] ); - } - - //newpoints[ l + 1 ] += qy; - bottom = qy; - - i += ps; - j += otherps; - - } else if ( px > qx ) { - - // we got past point below, might need to - // insert interpolated extra point - - if ( withlines && i > 0 && points[ i - ps ] != null ) { - intery = py + ( points[ i - ps + 1 ] - py ) * ( qx - px ) / ( points[ i - ps ] - px ); - newpoints.push( qx ); - newpoints.push( intery ); - for ( m = 2; m < ps; ++m ) { - newpoints.push( points[ i + m ] ); - } - bottom = qy; - } - - j += otherps; - - } else { // px < qx - - // if we come from a gap, we just skip this point - - if ( fromgap && withlines ) { - i += ps; - continue; - } - - for ( m = 0; m < ps; ++m ) { - newpoints.push( points[ i + m ] ); - } - - // we might be able to interpolate a point below, - // this can give us a better y - - if ( withlines && j > 0 && otherpoints[ j - otherps ] != null ) { - bottom = qy + ( otherpoints[ j - otherps + 1 ] - qy ) * ( px - qx ) / ( otherpoints[ j - otherps ] - qx ); - } - - //newpoints[l + 1] += bottom; - - i += ps; - } - - fromgap = false; - - if ( l !== newpoints.length && withbottom ) { - newpoints[ l + 2 ] = bottom; - } - } - - // maintain the line steps invariant - - if ( withsteps && l !== newpoints.length && l > 0 && - newpoints[ l ] !== null && - newpoints[ l ] !== newpoints[ l - ps ] && - newpoints[ l + 1 ] !== newpoints[ l - ps + 1 ] ) { - for (m = 0; m < ps; ++m) { - newpoints[ l + ps + m ] = newpoints[ l + m ]; - } - newpoints[ l + 1 ] = newpoints[ l - ps + 1 ]; - } - } - - datapoints.points = newpoints; - } - - plot.hooks.processDatapoints.push( computeFillBottoms ); - } - - $.plot.plugins.push({ - init: init, - options: options, - name: "fillbetween", - version: "1.0" - }); - -})(jQuery); \ No newline at end of file diff --git a/src/vendor/flot/jquery.flot.gauge.js b/src/vendor/flot/jquery.flot.gauge.js deleted file mode 100644 index 14866dbe..00000000 --- a/src/vendor/flot/jquery.flot.gauge.js +++ /dev/null @@ -1,960 +0,0 @@ -/*! - * jquery.flot.gauge v1.1.0 * - * - * Flot plugin for rendering gauge charts. - * - * Copyright (c) 2015 @toyoty99. - * Licensed under the MIT license. - */ - -/** - * @module flot.gauge - */ -(function($) { - - - /** - * Gauge class - * - * @class Gauge - */ - var Gauge = (function() { - /** - * context of canvas - * - * @property context - * @type Object - */ - var context; - /** - * placeholder of canvas - * - * @property placeholder - * @type Object - */ - var placeholder; - /** - * options of plot - * - * @property options - * @type Object - */ - var options; - /** - * options of gauge - * - * @property gaugeOptions - * @type Object - */ - var gaugeOptions; - /** - * data series - * - * @property series - * @type Array - */ - var series; - /** - * logger - * - * @property logger - * @type Object - */ - var logger; - - /** - * constructor - * - * @class Gauge - * @constructor - * @param {Object} gaugeOptions gauge options - */ - var Gauge = function(plot, ctx) { - context = ctx; - placeholder = plot.getPlaceholder(); - options = plot.getOptions(); - gaugeOptions = options.series.gauges; - series = plot.getData(); - logger = getLogger(gaugeOptions.debug); - } - - /** - * calculate layout - * - * @method calculateLayout - * @return the calculated layout properties - */ - Gauge.prototype.calculateLayout = function() { - - var canvasWidth = placeholder.width(); - var canvasHeight = placeholder.height(); - - - - // calculate cell size - var columns = Math.min(series.length, gaugeOptions.layout.columns); - var rows = Math.ceil(series.length / columns); - - - - var margin = gaugeOptions.layout.margin; - var hMargin = gaugeOptions.layout.hMargin; - var vMargin = gaugeOptions.layout.vMargin; - var cellWidth = (canvasWidth - (margin * 2) - (hMargin * (columns - 1))) / columns; - var cellHeight = (canvasHeight - (margin * 2) - (vMargin * (rows - 1))) / rows; - if (gaugeOptions.layout.square) { - var cell = Math.min(cellWidth, cellHeight); - cellWidth = cell; - cellHeight = cell; - } - - - - // calculate 'auto' values - calculateAutoValues(gaugeOptions, cellWidth); - - // calculate maximum radius - var cellMargin = gaugeOptions.cell.margin; - var labelMargin = 0; - var labelFontSize = 0; - if (gaugeOptions.label.show) { - labelMargin = gaugeOptions.label.margin; - labelFontSize = gaugeOptions.label.font.size; - } - var valueMargin = 0; - var valueFontSize = 0; - if (gaugeOptions.value.show) { - valueMargin = gaugeOptions.value.margin; - valueFontSize = gaugeOptions.value.font.size; - } - var thresholdWidth = 0; - if (gaugeOptions.threshold.show) { - thresholdWidth = gaugeOptions.threshold.width; - } - var thresholdLabelMargin = 0; - var thresholdLabelFontSize = 0; - if (gaugeOptions.threshold.label.show) { - thresholdLabelMargin = gaugeOptions.threshold.label.margin; - thresholdLabelFontSize = gaugeOptions.threshold.label.font.size; - } - - var maxRadiusH = (cellWidth / 2) - cellMargin - thresholdWidth - (thresholdLabelMargin * 2) - thresholdLabelFontSize; - - var startAngle = gaugeOptions.gauge.startAngle; - var endAngle = gaugeOptions.gauge.endAngle; - var dAngle = (endAngle - startAngle) / 100; - var heightRatioV = -1; - for (var a = startAngle; a < endAngle; a += dAngle) { - heightRatioV = Math.max(heightRatioV, Math.sin(toRad(a))); - } - heightRatioV = Math.max(heightRatioV, Math.sin(toRad(endAngle))); - var outerRadiusV = (cellHeight - (cellMargin * 2) - (labelMargin * 2) - labelFontSize) / (1 + heightRatioV); - if (outerRadiusV * heightRatioV < valueMargin + (valueFontSize / 2)) { - outerRadiusV = cellHeight - (cellMargin * 2) - (labelMargin * 2) - labelFontSize - valueMargin - (valueFontSize / 2); - } - var maxRadiusV = outerRadiusV - (thresholdLabelMargin * 2) - thresholdLabelFontSize - thresholdWidth; - - var radius = Math.min(maxRadiusH, maxRadiusV); - - - var width = gaugeOptions.gauge.width; - if (width >= radius) { - width = Math.max(3, radius / 3); - } - - - var outerRadius = (thresholdLabelMargin * 2) + thresholdLabelFontSize + thresholdWidth + radius; - var gaugeOuterHeight = Math.max(outerRadius * (1 + heightRatioV), outerRadius + valueMargin + (valueFontSize / 2)); - - return { - canvasWidth: canvasWidth, - canvasHeight: canvasHeight, - margin: margin, - hMargin: hMargin, - vMargin: vMargin, - columns: columns, - rows: rows, - cellWidth: cellWidth, - cellHeight: cellHeight, - cellMargin: cellMargin, - labelMargin: labelMargin, - labelFontSize: labelFontSize, - valueMargin: valueMargin, - valueFontSize: valueFontSize, - width: width, - radius: radius, - thresholdWidth: thresholdWidth, - thresholdLabelMargin: thresholdLabelMargin, - thresholdLabelFontSize: thresholdLabelFontSize, - gaugeOuterHeight: gaugeOuterHeight - }; - } - - /** - * calculate the values which are set as 'auto' - * - * @method calculateAutoValues - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Number} cellWidth the width of cell - */ - function calculateAutoValues(gaugeOptionsi, cellWidth) { - - if (gaugeOptionsi.gauge.width === "auto") { - gaugeOptionsi.gauge.width = Math.max(5, cellWidth / 8); - } - if (gaugeOptionsi.label.margin === "auto") { - gaugeOptionsi.label.margin = Math.max(1, cellWidth / 20); - } - if (gaugeOptionsi.label.font.size === "auto") { - gaugeOptionsi.label.font.size = Math.max(5, cellWidth / 8); - } - if (gaugeOptionsi.value.margin === "auto") { - gaugeOptionsi.value.margin = Math.max(1, cellWidth / 30); - } - if (gaugeOptionsi.value.font.size === "auto") { - gaugeOptionsi.value.font.size = Math.max(5, cellWidth / 9); - } - if (gaugeOptionsi.threshold.width === "auto") { - gaugeOptionsi.threshold.width = Math.max(3, cellWidth / 100); - } - if (gaugeOptionsi.threshold.label.margin === "auto") { - gaugeOptionsi.threshold.label.margin = Math.max(3, cellWidth / 40); - } - if (gaugeOptionsi.threshold.label.font.size === "auto") { - gaugeOptionsi.threshold.label.font.size = Math.max(5, cellWidth / 15); - } - - } - Gauge.prototype.calculateAutoValues = calculateAutoValues; - - /** - * calculate the layout of the cell inside - * - * @method calculateCellLayout - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Number} cellWidth the width of cell - * @param {Number} i the index of the series - * @return the calculated cell layout properties - */ - Gauge.prototype.calculateCellLayout = function(gaugeOptionsi, layout, i) { - - // calculate top, left and center - var c = col(layout.columns, i); - var r = row(layout.columns, i); - var x = layout.margin + (layout.cellWidth + layout.hMargin) * c; - var y = layout.margin + (layout.cellHeight + layout.vMargin) * r; - var cx = x + (layout.cellWidth / 2); - var cy = y + layout.cellMargin + (layout.labelMargin * 2) + layout.labelFontSize + layout.thresholdWidth - + layout.thresholdLabelFontSize + (layout.thresholdLabelMargin * 2) + layout.radius; - var blank = layout.cellHeight - (layout.cellMargin * 2) - (layout.labelMargin * 2) - layout.labelFontSize - layout.gaugeOuterHeight; - var offsetY = 0; - if (gaugeOptionsi.cell.vAlign === "middle") { - offsetY = (blank / 2); - } else if (gaugeOptionsi.cell.vAlign === "bottom") { - offsetY = blank; - } - cy += offsetY; - - return { - col: c, - row: r, - x: x, - y: y, - offsetY: offsetY, - cellWidth: layout.cellWidth, - cellHeight: layout.cellHeight, - cellMargin: layout.cellMargin, - cx: cx, - cy: cy - } - } - - /** - * draw the background of chart - * - * @method drawBackground - * @param {Object} layout the layout properties - */ - Gauge.prototype.drawBackground = function(layout) { - - if (!gaugeOptions.frame.show) { - return; - } - context.save(); - context.strokeStyle = options.grid.borderColor; - context.lineWidth = options.grid.borderWidth; - context.strokeRect(0, 0, layout.canvasWidth, layout.canvasHeight); - if (options.grid.backgroundColor) { - context.fillStyle = options.grid.backgroundColor; - context.fillRect(0, 0, layout.canvasWidth, layout.canvasHeight); - } - context.restore(); - } - - /** - * draw the background of cell - * - * @method drawCellBackground - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} cellLayout the cell layout properties - */ - Gauge.prototype.drawCellBackground = function(gaugeOptionsi, cellLayout) { - - context.save(); - if (gaugeOptionsi.cell.border && gaugeOptionsi.cell.border.show && gaugeOptionsi.cell.border.color && gaugeOptionsi.cell.border.width) { - context.strokeStyle = gaugeOptionsi.cell.border.color; - context.lineWidth = gaugeOptionsi.cell.border.width; - context.strokeRect(cellLayout.x, cellLayout.y, cellLayout.cellWidth, cellLayout.cellHeight); - } - if (gaugeOptionsi.cell.background && gaugeOptionsi.cell.background.color) { - context.fillStyle = gaugeOptionsi.cell.background.color; - context.fillRect(cellLayout.x, cellLayout.y, cellLayout.cellWidth, cellLayout.cellHeight); - } - context.restore(); - } - - /** - * draw the gauge - * - * @method drawGauge - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Object} cellLayout the cell layout properties - * @param {String} label the label of data - * @param {Number} data the value of the gauge - */ - Gauge.prototype.drawGauge = function(gaugeOptionsi, layout, cellLayout, label, data) { - - - var blur = gaugeOptionsi.gauge.shadow.show ? gaugeOptionsi.gauge.shadow.blur : 0; - - - // draw gauge frame - drawArcWithShadow( - cellLayout.cx, // center x - cellLayout.cy, // center y - layout.radius, - layout.width, - toRad(gaugeOptionsi.gauge.startAngle), - toRad(gaugeOptionsi.gauge.endAngle), - gaugeOptionsi.gauge.border.color, // line color - gaugeOptionsi.gauge.border.width, // line width - gaugeOptionsi.gauge.background.color, // fill color - blur); - - // draw gauge - var c1 = getColor(gaugeOptionsi, data); - var a2 = calculateAngle(gaugeOptionsi, layout, data); - drawArcWithShadow( - cellLayout.cx, // center x - cellLayout.cy, // center y - layout.radius - 1, - layout.width - 2, - toRad(gaugeOptionsi.gauge.startAngle), - toRad(a2), - c1, // line color - 1, // line width - c1, // fill color - blur); - } - - /** - * decide the color of the data from the threshold options - * - * @method getColor - * @private - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Number} data the value of the gauge - */ - function getColor(gaugeOptionsi, data) { - var color; - for (var i = 0; i < gaugeOptionsi.threshold.values.length; i++) { - var threshold = gaugeOptionsi.threshold.values[i]; - color = threshold.color; - if (data < threshold.value) { - break; - } - } - return color; - } - - /** - * calculate the angle of the data - * - * @method calculateAngle - * @private - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Number} data the value of the gauge - */ - function calculateAngle(gaugeOptionsi, layout, data) { - var a = - gaugeOptionsi.gauge.startAngle - + (gaugeOptionsi.gauge.endAngle - gaugeOptionsi.gauge.startAngle) - * ((data - gaugeOptionsi.gauge.min) / (gaugeOptionsi.gauge.max - gaugeOptionsi.gauge.min)); - - if (a < gaugeOptionsi.gauge.startAngle) { - a = gaugeOptionsi.gauge.startAngle; - } else if (a > gaugeOptionsi.gauge.endAngle) { - a = gaugeOptionsi.gauge.endAngle; - } - return a; - } - - /** - * draw the arc of the threshold - * - * @method drawThreshold - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Object} cellLayout the cell layout properties - */ - Gauge.prototype.drawThreshold = function(gaugeOptionsi, layout, cellLayout) { - - var a1 = gaugeOptionsi.gauge.startAngle; - for (var i = 0; i < gaugeOptionsi.threshold.values.length; i++) { - var threshold = gaugeOptionsi.threshold.values[i]; - c1 = threshold.color; - a2 = calculateAngle(gaugeOptionsi, layout, threshold.value); - drawArc( - context, - cellLayout.cx, // center x - cellLayout.cy, // center y - layout.radius + layout.thresholdWidth, - layout.thresholdWidth - 2, - toRad(a1), - toRad(a2), - c1, // line color - 1, // line width - c1); // fill color - a1 = a2; - } - } - - /** - * draw an arc with a shadow - * - * @method drawArcWithShadow - * @private - * @param {Number} cx the x position of the center - * @param {Number} cy the y position of the center - * @param {Number} r the radius of an arc - * @param {Number} w the width of an arc - * @param {Number} rd1 the start angle of an arc in radians - * @param {Number} rd2 the end angle of an arc in radians - * @param {String} lc the color of a line - * @param {Number} lw the widht of a line - * @param {String} fc the fill color of an arc - * @param {Number} blur the shdow blur - */ - function drawArcWithShadow(cx, cy, r, w, rd1, rd2, lc, lw, fc, blur) { - if (rd1 === rd2) { - return; - } - context.save(); - - drawArc(context, cx, cy, r, w, rd1, rd2, lc, lw, fc); - - if (blur) { - drawArc(context, cx, cy, r, w, rd1, rd2); - context.clip(); - context.shadowOffsetX = 0; - context.shadowOffsetY = 0; - context.shadowBlur = 10; - context.shadowColor = "gray"; - drawArc(context, cx, cy, r + 1, w + 2, rd1, rd2, lc, 1); - } - context.restore(); - } - - /** - * draw the label of the gauge - * - * @method drawLable - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Object} cellLayout the cell layout properties - * @param {Number} i the index of the series - * @param {Object} item the item of the series - */ - Gauge.prototype.drawLable = function(gaugeOptionsi, layout, cellLayout, i, item) { - - drawText( - cellLayout.cx, - cellLayout.y + cellLayout.cellMargin + layout.labelMargin + cellLayout.offsetY, - "flotGagueLabel" + i, - gaugeOptionsi.label.formatter ? gaugeOptionsi.label.formatter(item.label, item.data[0][1]) : text, - gaugeOptionsi.label); - } - - /** - * draw the value of the gauge - * - * @method drawValue - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Object} cellLayout the cell layout properties - * @param {Number} i the index of the series - * @param {Object} item the item of the series - */ - Gauge.prototype.drawValue = function(gaugeOptionsi, layout, cellLayout, i, item) { - - drawText( - cellLayout.cx, - cellLayout.cy - (gaugeOptionsi.value.font.size / 2), - "flotGagueValue" + i, - gaugeOptionsi.value.formatter ? gaugeOptionsi.value.formatter(item.label, item.data[0][1]) : text, - gaugeOptionsi.value); - } - - /** - * draw the values of the threshold - * - * @method drawThresholdValues - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Object} cellLayout the cell layout properties - * @param {Number} i the index of the series - */ - Gauge.prototype.drawThresholdValues = function(gaugeOptionsi, layout, cellLayout, i) { - - // min, max - drawThresholdValue(gaugeOptionsi, layout, cellLayout, "Min" + i, gaugeOptionsi.gauge.min, gaugeOptionsi.gauge.startAngle); - drawThresholdValue(gaugeOptionsi, layout, cellLayout, "Max" + i, gaugeOptionsi.gauge.max, gaugeOptionsi.gauge.endAngle); - // threshold values - for (var j = 0; j < gaugeOptionsi.threshold.values.length; j++) { - var threshold = gaugeOptionsi.threshold.values[j]; - if (threshold.value > gaugeOptionsi.gauge.min && threshold.value < gaugeOptionsi.gauge.max) { - var a = calculateAngle(gaugeOptionsi, layout, threshold.value); - drawThresholdValue(gaugeOptionsi, layout, cellLayout, i + "_" + j, threshold.value, a); - } - } - } - - /** - * draw the value of the threshold - * - * @method drawThresholdValue - * @param {Object} gaugeOptionsi the options of the gauge - * @param {Object} layout the layout properties - * @param {Object} cellLayout the cell layout properties - * @param {Number} i the index of the series - * @param {Number} value the value of the threshold - * @param {Number} a the angle of the value drawn - */ - function drawThresholdValue(gaugeOptionsi, layout, cellLayout, i, value, a) { - drawText( - cellLayout.cx - + ((layout.thresholdLabelMargin + (layout.thresholdLabelFontSize / 2) + layout.radius) - * Math.cos(toRad(a))), - cellLayout.cy - + ((layout.thresholdLabelMargin + (layout.thresholdLabelFontSize / 2) + layout.radius) - * Math.sin(toRad(a))), - "flotGagueThresholdValue" + i, - gaugeOptionsi.threshold.label.formatter ? gaugeOptionsi.threshold.label.formatter(value) : value, - gaugeOptionsi.threshold.label, - a); - } - - /** - * draw a text - * - * the textOptions is assumed as follows: - * - * textOptions: { - * background: { - * color: null, - * opacity: 0 - * }, - * font: { - * size: "auto" - * family: "\"MS ゴシック\",sans-serif" - * }, - * color: null - * } - * - * @method drawText - * @private - * @param {Number} x the x position of the text drawn (left top) - * @param {Number} y the y position of the text drawn (left top) - * @param {String} id the id of the dom element - * @param {String} text the text drawn - * @param {Object} textOptions the option of the text - * @param {Number} [a] the angle of the value drawn - */ - function drawText(x, y, id, text, textOptions, a) { - var span = $("." + id, placeholder); - var exists = span.length; - if (!exists) { - span = $("") - span.attr("id", id); - span.css("position", "absolute"); - span.css("top", y + "px"); - if (textOptions.font.size) { - span.css("font-size", textOptions.font.size + "px"); - } - if (textOptions.font.family) { - span.css("font-family", textOptions.font.family); - } - if (textOptions.color) { - span.css("color", textOptions.color); - } - if (textOptions.background.color) { - span.css("background-color", textOptions.background.color); - } - if (textOptions.background.opacity) { - span.css("opacity", textOptions.background.opacity); - } - placeholder.append(span); - } - span.text(text); - // after append, readjust the left position - span.css("left", x + "px"); // for redraw, resetting the left position is needed here - span.css("left", (parseInt(span.css("left")) - (span.width()/ 2)) + "px"); - - // at last, set angle - if (!exists && a) { - span.css("top", (parseInt(span.css("top")) - (span.height()/ 2)) + "px"); - span.css("transform", "rotate(" + ((180 * a) + 90) + "deg)"); // not supported for ie8 - } - } - - return Gauge; - })(); - /** - * get a instance of Logger - * - * @method getLogger - * @for flot.gauge - * @private - * @param {Object} debugOptions the options of debug - */ - function getLogger(debugOptions) { - return typeof Logger !== "undefined" ? new Logger(debugOptions) : null; - } - - /** - * calculate the index of columns for the specified data - * - * @method col - * @for flot.gauge - * @param {Number} columns the number of columns - * @param {Number} i the index of the series - * @return the index of columns - */ - function col(columns, i) { - return i % columns; - } - - /** - * calculate the index of rows for the specified data - * - * @method row - * @for flot.gauge - * @param {Number} columns the number of rows - * @param {Number} i the index of the series - * @return the index of rows - */ - function row(columns, i) { - return Math.floor(i / columns); - } - - /** - * calculate the angle in radians - * - * internally, use a number without PI (0 - 2). - * so, in this function, multiply PI - * - * @method toRad - * @for flot.gauge - * @param {Number} a the number of angle without PI - * @return the angle in radians - */ - function toRad(a) { - return a * Math.PI; - } - - /** - * draw an arc - * - * @method drawArc - * @for flot.gauge - * @param {Object} context the context of canvas - * @param {Number} cx the x position of the center - * @param {Number} cy the y position of the center - * @param {Number} r the radius of an arc - * @param {Number} w the width of an arc - * @param {Number} rd1 the start angle of an arc in radians - * @param {Number} rd2 the end angle of an arc in radians - * @param {String} lc the color of a line - * @param {Number} lw the widht of a line - * @param {String} fc the fill color of an arc - */ - function drawArc(context, cx, cy, r, w, rd1, rd2, lc, lw, fc) { - if (rd1 === rd2) { - return; - } - var counterClockwise = false; - context.save(); - context.beginPath(); - context.arc(cx, cy, r, rd1, rd2, counterClockwise); - context.lineTo(cx + (r - w) * Math.cos(rd2), - cy + (r - w) * Math.sin(rd2)); - context.arc(cx, cy, r - w, rd2, rd1, !counterClockwise); - context.closePath(); - if (lw) { - context.lineWidth = lw; - } - if (lc) { - context.strokeStyle = lc; - context.stroke(); - } - if (fc) { - context.fillStyle = fc; - context.fill(); - } - context.restore(); - } - - /** - * initialize plugin - * - * @method init - * @for flot.gauge - * @private - * @param {Object} plot a instance of plot - */ - function init (plot) { - // add processOptions hook - plot.hooks.processOptions.push(function(plot, options) { - var logger = getLogger(options.series.gauges.debug); - - - - - // turn 'grid' and 'legend' off - if (options.series.gauges.show) { - options.grid.show = false; - options.legend.show = false; - } - - // sort threshold - var thresholds = options.series.gauges.threshold.values; - - thresholds.sort(function(a, b) { - if (a.value < b.value) { - return -1; - } else if (a.value > b.value) { - return 1; - } else { - return 0; - } - }); - - - - }); - - // add draw hook - plot.hooks.draw.push(function(plot, context) { - var options = plot.getOptions(); - var gaugeOptions = options.series.gauges; - - var logger = getLogger(gaugeOptions.debug); - - - if (!gaugeOptions.show) { - return; - } - - var series = plot.getData(); - - if (!series || !series.length) { - return; // if no series were passed - } - - var gauge = new Gauge(plot, context); - - // calculate layout - var layout = gauge.calculateLayout(); - - // debug layout - if (gaugeOptions.debug.layout) { - - } - - // draw background - gauge.drawBackground(layout) - - // draw cells (label, gauge, value, threshold) - for (var i = 0; i < series.length; i++) { - var item = series[i]; - - var gaugeOptionsi = $.extend({}, gaugeOptions, item.gauges); - if (item.gauges) { - // re-calculate 'auto' values - gauge.calculateAutoValues(gaugeOptionsi, layout.cellWidth); - } - - // calculate cell layout - var cellLayout = gauge.calculateCellLayout(gaugeOptionsi, layout, i); - - // draw cell background - gauge.drawCellBackground(gaugeOptionsi, cellLayout) - // debug layout - if (gaugeOptionsi.debug.layout) { - - } - // draw label - if (gaugeOptionsi.label.show) { - gauge.drawLable(gaugeOptionsi, layout, cellLayout, i, item); - } - // draw gauge - gauge.drawGauge(gaugeOptionsi, layout, cellLayout, item.label, item.data[0][1]); - // draw threshold - if (gaugeOptionsi.threshold.show) { - gauge.drawThreshold(gaugeOptionsi, layout, cellLayout); - } - if (gaugeOptionsi.threshold.label.show) { - gauge.drawThresholdValues(gaugeOptionsi, layout, cellLayout, i) - } - // draw value - if (gaugeOptionsi.value.show) { - gauge.drawValue(gaugeOptionsi, layout, cellLayout, i, item); - } - } - }); - } - - /** - * [defaults description] - * - * @property defaults - * @type {Object} - */ - var defaults = { - series: { - gauges: { - debug: { - log: false, - layout: false, - alert: false - }, - show: false, - layout: { - margin: 5, - columns: 3, - hMargin: 5, - vMargin: 5, - square: false - }, - frame: { - show: true - }, - cell: { - background: { - color: null - }, - border: { - show: true, - color: "black", - width: 1 - }, - margin: 5, - vAlign: "middle" // 'top' or 'middle' or 'bottom' - }, - gauge: { - width: "auto", // a specified number, or 'auto' - startAngle: 0.9, // 0 - 2 factor of the radians - endAngle: 2.1, // 0 - 2 factor of the radians - min: 0, - max: 100, - background: { - color: "white" - }, - border: { - color: "lightgray", - width: 2 - }, - shadow: { - show: true, - blur: 5 - } - }, - label: { - show: true, - margin: "auto", // a specified number, or 'auto' - background: { - color: null, - opacity: 0 - }, - font: { - size: "auto", // a specified number, or 'auto' - family: "sans-serif" - }, - color: null, - formatter: function(label, value) { - return label; - } - }, - value: { - show: true, - margin: "auto", // a specified number, or 'auto' - background: { - color: null, - opacity: 0 - }, - font: { - size: "auto", // a specified number, or 'auto' - family: "sans-serif" - }, - color: null, - formatter: function(label, value) { - return parseInt(value); - } - }, - threshold: { - show: true, - width: "auto", // a specified number, or 'auto' - label: { - show: true, - margin: "auto", // a specified number, or 'auto' - background: { - color: null, - opacity: 0 - }, - font: { - size: "auto", // a specified number, or 'auto' - family: ",sans-serif" - }, - color: null, - formatter: function(value) { - return value; - } - }, - values: [ - { - value: 50, - color: "lightgreen" - }, { - value: 80, - color: "yellow" - }, { - value: 100, - color: "red" - } - ] - } - } - } - }; - - // register the gauge plugin - $.plot.plugins.push({ - init: init, - options: defaults, - name: "gauge", - version: "1.1.0" - }); - -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.js b/src/vendor/flot/jquery.flot.js deleted file mode 100644 index ec35fb87..00000000 --- a/src/vendor/flot/jquery.flot.js +++ /dev/null @@ -1,3198 +0,0 @@ -/* Javascript plotting library for jQuery, version 0.8.3. - -Copyright (c) 2007-2014 IOLA and Ole Laursen. -Licensed under the MIT license. - -*/ - -// first an inline dependency, jquery.colorhelpers.js, we inline it here -// for convenience - -/* Plugin for jQuery for working with colors. - * - * Version 1.1. - * - * Inspiration from jQuery color animation plugin by John Resig. - * - * Released under the MIT license by Ole Laursen, October 2009. - * - * Examples: - * - * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() - * var c = $.color.extract($("#mydiv"), 'background-color'); - * console.log(c.r, c.g, c.b, c.a); - * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" - * - * Note that .scale() and .add() return the same modified object - * instead of making a new one. - * - * V. 1.1: Fix error handling so e.g. parsing an empty string does - * produce a color rather than just crashing. - */ -(function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r||0;o.g=g||0;o.b=b||0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return valuemax?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55);if(res=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]||[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery); - -// the actual Flot code -(function($) { - - // Cache the prototype hasOwnProperty for faster access - - var hasOwnProperty = Object.prototype.hasOwnProperty; - - // A shim to provide 'detach' to jQuery versions prior to 1.4. Using a DOM - // operation produces the same effect as detach, i.e. removing the element - // without touching its jQuery data. - - // Do not merge this into Flot 0.9, since it requires jQuery 1.4.4+. - - if (!$.fn.detach) { - $.fn.detach = function() { - return this.each(function() { - if (this.parentNode) { - this.parentNode.removeChild( this ); - } - }); - }; - } - - /////////////////////////////////////////////////////////////////////////// - // The Canvas object is a wrapper around an HTML5 tag. - // - // @constructor - // @param {string} cls List of classes to apply to the canvas. - // @param {element} container Element onto which to append the canvas. - // - // Requiring a container is a little iffy, but unfortunately canvas - // operations don't work unless the canvas is attached to the DOM. - - function Canvas(cls, container) { - - var element = container.children("." + cls)[0]; - - if (element == null) { - - element = document.createElement("canvas"); - element.className = cls; - - $(element).css({ direction: "ltr", position: "absolute", left: 0, top: 0 }) - .appendTo(container); - - // If HTML5 Canvas isn't available, fall back to [Ex|Flash]canvas - - if (!element.getContext) { - if (window.G_vmlCanvasManager) { - element = window.G_vmlCanvasManager.initElement(element); - } else { - throw new Error("Canvas is not available. If you're using IE with a fall-back such as Excanvas, then there's either a mistake in your conditional include, or the page has no DOCTYPE and is rendering in Quirks Mode."); - } - } - } - - this.element = element; - - var context = this.context = element.getContext("2d"); - - // Determine the screen's ratio of physical to device-independent - // pixels. This is the ratio between the canvas width that the browser - // advertises and the number of pixels actually present in that space. - - // The iPhone 4, for example, has a device-independent width of 320px, - // but its screen is actually 640px wide. It therefore has a pixel - // ratio of 2, while most normal devices have a ratio of 1. - - var devicePixelRatio = window.devicePixelRatio || 1, - backingStoreRatio = - context.webkitBackingStorePixelRatio || - context.mozBackingStorePixelRatio || - context.msBackingStorePixelRatio || - context.oBackingStorePixelRatio || - context.backingStorePixelRatio || 1; - - this.pixelRatio = devicePixelRatio / backingStoreRatio; - - // Size the canvas to match the internal dimensions of its container - - this.resize(container.width(), container.height()); - - // Collection of HTML div layers for text overlaid onto the canvas - - this.textContainer = null; - this.text = {}; - - // Cache of text fragments and metrics, so we can avoid expensively - // re-calculating them when the plot is re-rendered in a loop. - - this._textCache = {}; - this._textSizeCache = window.flotTextSizeCache = window.flotTextSizeCache || {}; - } - - // Resizes the canvas to the given dimensions. - // - // @param {number} width New width of the canvas, in pixels. - // @param {number} width New height of the canvas, in pixels. - - Canvas.prototype.resize = function(width, height) { - - if (width <= 0 || height <= 0) { - throw new Error("Invalid dimensions for plot, width = " + width + ", height = " + height); - } - - var element = this.element, - context = this.context, - pixelRatio = this.pixelRatio; - - // Resize the canvas, increasing its density based on the display's - // pixel ratio; basically giving it more pixels without increasing the - // size of its element, to take advantage of the fact that retina - // displays have that many more pixels in the same advertised space. - - // Resizing should reset the state (excanvas seems to be buggy though) - - if (this.width != width) { - element.width = width * pixelRatio; - element.style.width = width + "px"; - this.width = width; - } - - if (this.height != height) { - element.height = height * pixelRatio; - element.style.height = height + "px"; - this.height = height; - } - - // Save the context, so we can reset in case we get replotted. The - // restore ensure that we're really back at the initial state, and - // should be safe even if we haven't saved the initial state yet. - - context.restore(); - context.save(); - - // Scale the coordinate space to match the display density; so even though we - // may have twice as many pixels, we still want lines and other drawing to - // appear at the same size; the extra pixels will just make them crisper. - - context.scale(pixelRatio, pixelRatio); - }; - - // Clears the entire canvas area, not including any overlaid HTML text - - Canvas.prototype.clear = function() { - this.context.clearRect(0, 0, this.width, this.height); - }; - - // Finishes rendering the canvas, including managing the text overlay. - - Canvas.prototype.render = function() { - - var cache = this._textCache; - - // For each text layer, add elements marked as active that haven't - // already been rendered, and remove those that are no longer active. - - for (var layerKey in cache) { - if (hasOwnProperty.call(cache, layerKey)) { - - var layer = this.getTextLayer(layerKey), - layerCache = cache[layerKey]; - - layer.hide(); - - for (var styleKey in layerCache) { - if (hasOwnProperty.call(layerCache, styleKey)) { - var styleCache = layerCache[styleKey]; - for (var key in styleCache) { - if (hasOwnProperty.call(styleCache, key)) { - - var positions = styleCache[key].positions; - - for (var i = 0, position; position = positions[i]; i++) { - if (position.active) { - if (!position.rendered) { - layer.append(position.element); - position.rendered = true; - } - } else { - positions.splice(i--, 1); - if (position.rendered) { - position.element.detach(); - } - } - } - - if (positions.length == 0) { - delete styleCache[key]; - } - } - } - } - } - - layer.show(); - } - } - }; - - // Creates (if necessary) and returns the text overlay container. - // - // @param {string} classes String of space-separated CSS classes used to - // uniquely identify the text layer. - // @return {object} The jQuery-wrapped text-layer div. - - Canvas.prototype.getTextLayer = function(classes) { - - var layer = this.text[classes]; - - // Create the text layer if it doesn't exist - - if (layer == null) { - - // Create the text layer container, if it doesn't exist - - if (this.textContainer == null) { - this.textContainer = $("
") - .css({ - position: "absolute", - top: 0, - left: 0, - bottom: 0, - right: 0, - 'font-size': "smaller", - color: "#545454" - }) - .insertAfter(this.element); - } - - layer = this.text[classes] = $("
") - .addClass(classes) - .css({ - position: "absolute", - top: 0, - left: 0, - bottom: 0, - right: 0 - }) - .appendTo(this.textContainer); - } - - return layer; - }; - - // Creates (if necessary) and returns a text info object. - // - // The object looks like this: - // - // { - // width: Width of the text's wrapper div. - // height: Height of the text's wrapper div. - // element: The jQuery-wrapped HTML div containing the text. - // positions: Array of positions at which this text is drawn. - // } - // - // The positions array contains objects that look like this: - // - // { - // active: Flag indicating whether the text should be visible. - // rendered: Flag indicating whether the text is currently visible. - // element: The jQuery-wrapped HTML div containing the text. - // x: X coordinate at which to draw the text. - // y: Y coordinate at which to draw the text. - // } - // - // Each position after the first receives a clone of the original element. - // - // The idea is that that the width, height, and general 'identity' of the - // text is constant no matter where it is placed; the placements are a - // secondary property. - // - // Canvas maintains a cache of recently-used text info objects; getTextInfo - // either returns the cached element or creates a new entry. - // - // @param {string} layer A string of space-separated CSS classes uniquely - // identifying the layer containing this text. - // @param {string} text Text string to retrieve info for. - // @param {(string|object)=} font Either a string of space-separated CSS - // classes or a font-spec object, defining the text's font and style. - // @param {number=} angle Angle at which to rotate the text, in degrees. - // Angle is currently unused, it will be implemented in the future. - // @param {number=} width Maximum width of the text before it wraps. - // @return {object} a text info object. - - Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { - - var textStyle, layerCache, styleCache, info; - - // Cast the value to a string, in case we were given a number or such - - text = "" + text; - - // If the font is a font-spec object, generate a CSS font definition - - if (typeof font === "object") { - textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px/" + font.lineHeight + "px " + font.family; - } else { - textStyle = font; - } - - // Retrieve (or create) the cache for the text's layer and styles - - layerCache = this._textCache[layer]; - - if (layerCache == null) { - layerCache = this._textCache[layer] = {}; - } - - styleCache = layerCache[textStyle]; - - if (styleCache == null) { - styleCache = layerCache[textStyle] = {}; - } - - info = styleCache[text]; - - // If we can't find a matching element in our cache, create a new one - - if (info == null) { - - var element = $("
").html(text) - .css({ - position: "absolute", - 'max-width': width, - top: -9999 - }) - .appendTo(this.getTextLayer(layer)); - - if (typeof font === "object") { - element.css({ - font: textStyle, - color: font.color - }); - } else if (typeof font === "string") { - element.addClass(font); - } - - info = styleCache[text] = { element: element, positions: [] }; - - var size = this._textSizeCache[text]; - if (size) { - info.width = size.width; - info.height = size.height; - } else { - info.width = element.outerWidth(true); - info.height = element.outerHeight(true); - this._textSizeCache[text] = { width: info.width, height: info.height }; - } - element.detach(); - } - - return info; - }; - - // Adds a text string to the canvas text overlay. - // - // The text isn't drawn immediately; it is marked as rendering, which will - // result in its addition to the canvas on the next render pass. - // - // @param {string} layer A string of space-separated CSS classes uniquely - // identifying the layer containing this text. - // @param {number} x X coordinate at which to draw the text. - // @param {number} y Y coordinate at which to draw the text. - // @param {string} text Text string to draw. - // @param {(string|object)=} font Either a string of space-separated CSS - // classes or a font-spec object, defining the text's font and style. - // @param {number=} angle Angle at which to rotate the text, in degrees. - // Angle is currently unused, it will be implemented in the future. - // @param {number=} width Maximum width of the text before it wraps. - // @param {string=} halign Horizontal alignment of the text; either "left", - // "center" or "right". - // @param {string=} valign Vertical alignment of the text; either "top", - // "middle" or "bottom". - - Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { - - var info = this.getTextInfo(layer, text, font, angle, width), - positions = info.positions; - - // Tweak the div's position to match the text's alignment - - if (halign == "center") { - x -= info.width / 2; - } else if (halign == "right") { - x -= info.width; - } - - if (valign == "middle") { - y -= info.height / 2; - } else if (valign == "bottom") { - y -= info.height; - } - - // Determine whether this text already exists at this position. - // If so, mark it for inclusion in the next render pass. - - for (var i = 0, position; position = positions[i]; i++) { - if (position.x == x && position.y == y) { - position.active = true; - return; - } - } - - // If the text doesn't exist at this position, create a new entry - - // For the very first position we'll re-use the original element, - // while for subsequent ones we'll clone it. - - position = { - active: true, - rendered: false, - element: positions.length ? info.element.clone() : info.element, - x: x, - y: y - }; - - positions.push(position); - - // Move the element to its final position within the container - - position.element.css({ - top: Math.round(y), - left: Math.round(x), - 'text-align': halign // In case the text wraps - }); - }; - - // Removes one or more text strings from the canvas text overlay. - // - // If no parameters are given, all text within the layer is removed. - // - // Note that the text is not immediately removed; it is simply marked as - // inactive, which will result in its removal on the next render pass. - // This avoids the performance penalty for 'clear and redraw' behavior, - // where we potentially get rid of all text on a layer, but will likely - // add back most or all of it later, as when redrawing axes, for example. - // - // @param {string} layer A string of space-separated CSS classes uniquely - // identifying the layer containing this text. - // @param {number=} x X coordinate of the text. - // @param {number=} y Y coordinate of the text. - // @param {string=} text Text string to remove. - // @param {(string|object)=} font Either a string of space-separated CSS - // classes or a font-spec object, defining the text's font and style. - // @param {number=} angle Angle at which the text is rotated, in degrees. - // Angle is currently unused, it will be implemented in the future. - - Canvas.prototype.removeText = function(layer, x, y, text, font, angle) { - if (text == null) { - var layerCache = this._textCache[layer]; - if (layerCache != null) { - for (var styleKey in layerCache) { - if (hasOwnProperty.call(layerCache, styleKey)) { - var styleCache = layerCache[styleKey]; - for (var key in styleCache) { - if (hasOwnProperty.call(styleCache, key)) { - var positions = styleCache[key].positions; - for (var i = 0, position; position = positions[i]; i++) { - position.active = false; - } - } - } - } - } - } - } else { - var positions = this.getTextInfo(layer, text, font, angle).positions; - for (var i = 0, position; position = positions[i]; i++) { - if (position.x == x && position.y == y) { - position.active = false; - } - } - } - }; - - /////////////////////////////////////////////////////////////////////////// - // The top-level container for the entire plot. - - function Plot(placeholder, data_, options_, plugins) { - // data is on the form: - // [ series1, series2 ... ] - // where series is either just the data as [ [x1, y1], [x2, y2], ... ] - // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... } - - var series = [], - options = { - // the color theme used for graphs - colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"], - legend: { - show: true, - noColumns: 1, // number of colums in legend table - labelFormatter: null, // fn: string -> string - labelBoxBorderColor: "#ccc", // border color for the little label boxes - container: null, // container (as jQuery object) to put legend in, null means default on top of graph - position: "ne", // position of default legend container within plot - margin: 5, // distance from grid edge to default legend container within plot - backgroundColor: null, // null means auto-detect - backgroundOpacity: 0.85, // set to 0 to avoid background - sorted: null // default to no legend sorting - }, - xaxis: { - show: null, // null = auto-detect, true = always, false = never - position: "bottom", // or "top" - mode: null, // null or "time" - font: null, // null (derived from CSS in placeholder) or object like { size: 11, lineHeight: 13, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" } - color: null, // base color, labels, ticks - tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)" - transform: null, // null or f: number -> number to transform axis - inverseTransform: null, // if transform is set, this should be the inverse function - min: null, // min. value to show, null means set automatically - max: null, // max. value to show, null means set automatically - autoscaleMargin: null, // margin in % to add if auto-setting min/max - ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks - tickFormatter: null, // fn: number -> string - labelWidth: null, // size of tick labels in pixels - labelHeight: null, - reserveSpace: null, // whether to reserve space even if axis isn't shown - tickLength: null, // size in pixels of ticks, or "full" for whole line - alignTicksWithAxis: null, // axis number or null for no sync - tickDecimals: null, // no. of decimals, null means auto - tickSize: null, // number or [number, "unit"] - minTickSize: null // number or [number, "unit"] - }, - yaxis: { - autoscaleMargin: 0.02, - position: "left" // or "right" - }, - xaxes: [], - yaxes: [], - series: { - points: { - show: false, - radius: 3, - lineWidth: 2, // in pixels - fill: true, - fillColor: "#ffffff", - symbol: "circle" // or callback - }, - lines: { - // we don't put in show: false so we can see - // whether lines were actively disabled - lineWidth: 2, // in pixels - fill: false, - fillColor: null, - steps: false - // Omit 'zero', so we can later default its value to - // match that of the 'fill' option. - }, - bars: { - show: false, - lineWidth: 2, // in pixels - barWidth: 1, // in units of the x axis - fill: true, - fillColor: null, - align: "left", // "left", "right", or "center" - horizontal: false, - zero: true - }, - shadowSize: 3, - highlightColor: null - }, - grid: { - show: true, - aboveData: false, - color: "#545454", // primary color used for outline and labels - backgroundColor: null, // null for transparent, else color - borderColor: null, // set if different from the grid color - tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)" - margin: 0, // distance from the canvas edge to the grid - labelMargin: 5, // in pixels - eventSectionHeight: 0, // space for event section - axisMargin: 8, // in pixels - borderWidth: 2, // in pixels - minBorderMargin: null, // in pixels, null means taken from points radius - markings: null, // array of ranges or fn: axes -> array of ranges - markingsColor: "#f4f4f4", - markingsLineWidth: 2, - // interactive stuff - clickable: false, - hoverable: false, - autoHighlight: true, // highlight in case mouse is near - mouseActiveRadius: 10 // how far the mouse can be away to activate an item - }, - interaction: { - redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow - }, - hooks: {} - }, - surface = null, // the canvas for the plot itself - overlay = null, // canvas for interactive stuff on top of plot - eventHolder = null, // jQuery object that events should be bound to - ctx = null, octx = null, - xaxes = [], yaxes = [], - plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, - plotWidth = 0, plotHeight = 0, - hooks = { - processOptions: [], - processRawData: [], - processDatapoints: [], - processOffset: [], - drawBackground: [], - drawSeries: [], - draw: [], - bindEvents: [], - drawOverlay: [], - shutdown: [] - }, - plot = this; - - // public functions - plot.setData = setData; - plot.setupGrid = setupGrid; - plot.draw = draw; - plot.getPlaceholder = function() { return placeholder; }; - plot.getCanvas = function() { return surface.element; }; - plot.getPlotOffset = function() { return plotOffset; }; - plot.width = function () { return plotWidth; }; - plot.height = function () { return plotHeight; }; - plot.offset = function () { - var o = eventHolder.offset(); - o.left += plotOffset.left; - o.top += plotOffset.top; - return o; - }; - plot.getData = function () { return series; }; - plot.getAxes = function () { - var res = {}, i; - $.each(xaxes.concat(yaxes), function (_, axis) { - if (axis) - res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis; - }); - return res; - }; - plot.getXAxes = function () { return xaxes; }; - plot.getYAxes = function () { return yaxes; }; - plot.c2p = canvasToAxisCoords; - plot.p2c = axisToCanvasCoords; - plot.getOptions = function () { return options; }; - plot.highlight = highlight; - plot.unhighlight = unhighlight; - plot.triggerRedrawOverlay = triggerRedrawOverlay; - plot.pointOffset = function(point) { - return { - left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left, 10), - top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top, 10) - }; - }; - plot.shutdown = shutdown; - plot.destroy = function () { - shutdown(); - placeholder.removeData("plot").empty(); - - series = []; - options = null; - surface = null; - overlay = null; - eventHolder = null; - ctx = null; - octx = null; - xaxes = []; - yaxes = []; - hooks = null; - highlights = []; - plot = null; - }; - plot.resize = function () { - var width = placeholder.width(), - height = placeholder.height(); - surface.resize(width, height); - overlay.resize(width, height); - }; - - // public attributes - plot.hooks = hooks; - - // initialize - initPlugins(plot); - parseOptions(options_); - setupCanvases(); - setData(data_); - setupGrid(); - draw(); - bindEvents(); - - - function executeHooks(hook, args) { - args = [plot].concat(args); - for (var i = 0; i < hook.length; ++i) - hook[i].apply(this, args); - } - - function initPlugins() { - - // References to key classes, allowing plugins to modify them - - var classes = { - Canvas: Canvas - }; - - for (var i = 0; i < plugins.length; ++i) { - var p = plugins[i]; - p.init(plot, classes); - if (p.options) - $.extend(true, options, p.options); - } - } - - function parseOptions(opts) { - - $.extend(true, options, opts); - - // $.extend merges arrays, rather than replacing them. When less - // colors are provided than the size of the default palette, we - // end up with those colors plus the remaining defaults, which is - // not expected behavior; avoid it by replacing them here. - - if (opts && opts.colors) { - options.colors = opts.colors; - } - - if (options.xaxis.color == null) - options.xaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); - if (options.yaxis.color == null) - options.yaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); - - if (options.xaxis.tickColor == null) // grid.tickColor for back-compatibility - options.xaxis.tickColor = options.grid.tickColor || options.xaxis.color; - if (options.yaxis.tickColor == null) // grid.tickColor for back-compatibility - options.yaxis.tickColor = options.grid.tickColor || options.yaxis.color; - - if (options.grid.borderColor == null) - options.grid.borderColor = options.grid.color; - if (options.grid.tickColor == null) - options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString(); - - // Fill in defaults for axis options, including any unspecified - // font-spec fields, if a font-spec was provided. - - // If no x/y axis options were provided, create one of each anyway, - // since the rest of the code assumes that they exist. - - var i, axisOptions, axisCount, - fontSize = placeholder.css("font-size"), - fontSizeDefault = fontSize ? +fontSize.replace("px", "") : 13, - fontDefaults = { - style: placeholder.css("font-style"), - size: Math.round(0.8 * fontSizeDefault), - variant: placeholder.css("font-variant"), - weight: placeholder.css("font-weight"), - family: placeholder.css("font-family") - }; - - axisCount = options.xaxes.length || 1; - for (i = 0; i < axisCount; ++i) { - - axisOptions = options.xaxes[i]; - if (axisOptions && !axisOptions.tickColor) { - axisOptions.tickColor = axisOptions.color; - } - - axisOptions = $.extend(true, {}, options.xaxis, axisOptions); - options.xaxes[i] = axisOptions; - - if (axisOptions.font) { - axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); - if (!axisOptions.font.color) { - axisOptions.font.color = axisOptions.color; - } - if (!axisOptions.font.lineHeight) { - axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); - } - } - } - - axisCount = options.yaxes.length || 1; - for (i = 0; i < axisCount; ++i) { - - axisOptions = options.yaxes[i]; - if (axisOptions && !axisOptions.tickColor) { - axisOptions.tickColor = axisOptions.color; - } - - axisOptions = $.extend(true, {}, options.yaxis, axisOptions); - options.yaxes[i] = axisOptions; - - if (axisOptions.font) { - axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); - if (!axisOptions.font.color) { - axisOptions.font.color = axisOptions.color; - } - if (!axisOptions.font.lineHeight) { - axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); - } - } - } - - // backwards compatibility, to be removed in future - if (options.xaxis.noTicks && options.xaxis.ticks == null) - options.xaxis.ticks = options.xaxis.noTicks; - if (options.yaxis.noTicks && options.yaxis.ticks == null) - options.yaxis.ticks = options.yaxis.noTicks; - if (options.x2axis) { - options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis); - options.xaxes[1].position = "top"; - // Override the inherit to allow the axis to auto-scale - if (options.x2axis.min == null) { - options.xaxes[1].min = null; - } - if (options.x2axis.max == null) { - options.xaxes[1].max = null; - } - } - if (options.y2axis) { - options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis); - options.yaxes[1].position = "right"; - // Override the inherit to allow the axis to auto-scale - if (options.y2axis.min == null) { - options.yaxes[1].min = null; - } - if (options.y2axis.max == null) { - options.yaxes[1].max = null; - } - } - if (options.grid.coloredAreas) - options.grid.markings = options.grid.coloredAreas; - if (options.grid.coloredAreasColor) - options.grid.markingsColor = options.grid.coloredAreasColor; - if (options.lines) - $.extend(true, options.series.lines, options.lines); - if (options.points) - $.extend(true, options.series.points, options.points); - if (options.bars) - $.extend(true, options.series.bars, options.bars); - if (options.shadowSize != null) - options.series.shadowSize = options.shadowSize; - if (options.highlightColor != null) - options.series.highlightColor = options.highlightColor; - - // save options on axes for future reference - for (i = 0; i < options.xaxes.length; ++i) - getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i]; - for (i = 0; i < options.yaxes.length; ++i) - getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i]; - - // add hooks from options - for (var n in hooks) - if (options.hooks[n] && options.hooks[n].length) - hooks[n] = hooks[n].concat(options.hooks[n]); - - executeHooks(hooks.processOptions, [options]); - } - - function setData(d) { - series = parseData(d); - fillInSeriesOptions(); - processData(); - } - - function parseData(d) { - var res = []; - for (var i = 0; i < d.length; ++i) { - var s = $.extend(true, {}, options.series); - - if (d[i].data != null) { - s.data = d[i].data; // move the data instead of deep-copy - delete d[i].data; - - $.extend(true, s, d[i]); - - d[i].data = s.data; - } - else - s.data = d[i]; - res.push(s); - } - - return res; - } - - function axisNumber(obj, coord) { - var a = obj[coord + "axis"]; - if (typeof a == "object") // if we got a real axis, extract number - a = a.n; - if (typeof a != "number") - a = 1; // default to first axis - return a; - } - - function allAxes() { - // return flat array without annoying null entries - return $.grep(xaxes.concat(yaxes), function (a) { return a; }); - } - - function canvasToAxisCoords(pos) { - // return an object with x/y corresponding to all used axes - var res = {}, i, axis; - for (i = 0; i < xaxes.length; ++i) { - axis = xaxes[i]; - if (axis && axis.used) - res["x" + axis.n] = axis.c2p(pos.left); - } - - for (i = 0; i < yaxes.length; ++i) { - axis = yaxes[i]; - if (axis && axis.used) - res["y" + axis.n] = axis.c2p(pos.top); - } - - if (res.x1 !== undefined) - res.x = res.x1; - if (res.y1 !== undefined) - res.y = res.y1; - - return res; - } - - function axisToCanvasCoords(pos) { - // get canvas coords from the first pair of x/y found in pos - var res = {}, i, axis, key; - - for (i = 0; i < xaxes.length; ++i) { - axis = xaxes[i]; - if (axis && axis.used) { - key = "x" + axis.n; - if (pos[key] == null && axis.n == 1) - key = "x"; - - if (pos[key] != null) { - res.left = axis.p2c(pos[key]); - break; - } - } - } - - for (i = 0; i < yaxes.length; ++i) { - axis = yaxes[i]; - if (axis && axis.used) { - key = "y" + axis.n; - if (pos[key] == null && axis.n == 1) - key = "y"; - - if (pos[key] != null) { - res.top = axis.p2c(pos[key]); - break; - } - } - } - - return res; - } - - function getOrCreateAxis(axes, number) { - if (!axes[number - 1]) - axes[number - 1] = { - n: number, // save the number for future reference - direction: axes == xaxes ? "x" : "y", - options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis) - }; - - return axes[number - 1]; - } - - function fillInSeriesOptions() { - - var neededColors = series.length, maxIndex = -1, i; - - // Subtract the number of series that already have fixed colors or - // color indexes from the number that we still need to generate. - - for (i = 0; i < series.length; ++i) { - var sc = series[i].color; - if (sc != null) { - neededColors--; - if (typeof sc == "number" && sc > maxIndex) { - maxIndex = sc; - } - } - } - - // If any of the series have fixed color indexes, then we need to - // generate at least as many colors as the highest index. - - if (neededColors <= maxIndex) { - neededColors = maxIndex + 1; - } - - // Generate all the colors, using first the option colors and then - // variations on those colors once they're exhausted. - - var c, colors = [], colorPool = options.colors, - colorPoolSize = colorPool.length, variation = 0; - - for (i = 0; i < neededColors; i++) { - - c = $.color.parse(colorPool[i % colorPoolSize] || "#666"); - - // Each time we exhaust the colors in the pool we adjust - // a scaling factor used to produce more variations on - // those colors. The factor alternates negative/positive - // to produce lighter/darker colors. - - // Reset the variation after every few cycles, or else - // it will end up producing only white or black colors. - - if (i % colorPoolSize == 0 && i) { - if (variation >= 0) { - if (variation < 0.5) { - variation = -variation - 0.2; - } else variation = 0; - } else variation = -variation; - } - - colors[i] = c.scale('rgb', 1 + variation); - } - - // Finalize the series options, filling in their colors - - var colori = 0, s; - for (i = 0; i < series.length; ++i) { - s = series[i]; - - // assign colors - if (s.color == null) { - s.color = colors[colori].toString(); - ++colori; - } - else if (typeof s.color == "number") - s.color = colors[s.color].toString(); - - // turn on lines automatically in case nothing is set - if (s.lines.show == null) { - var v, show = true; - for (v in s) - if (s[v] && s[v].show) { - show = false; - break; - } - if (show) - s.lines.show = true; - } - - // If nothing was provided for lines.zero, default it to match - // lines.fill, since areas by default should extend to zero. - - if (s.lines.zero == null) { - s.lines.zero = !!s.lines.fill; - } - - // setup axes - s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x")); - s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y")); - } - } - - function processData() { - var topSentry = Number.POSITIVE_INFINITY, - bottomSentry = Number.NEGATIVE_INFINITY, - fakeInfinity = Number.MAX_VALUE, - i, j, k, m, length, - s, points, ps, x, y, axis, val, f, p, - data, format; - - function updateAxis(axis, min, max) { - if (min < axis.datamin && min != -fakeInfinity) - axis.datamin = min; - if (max > axis.datamax && max != fakeInfinity) - axis.datamax = max; - } - - $.each(allAxes(), function (_, axis) { - // init axis - axis.datamin = topSentry; - axis.datamax = bottomSentry; - axis.used = false; - }); - - for (i = 0; i < series.length; ++i) { - s = series[i]; - s.datapoints = { points: [] }; - - executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]); - } - - // first pass: clean and copy data - for (i = 0; i < series.length; ++i) { - s = series[i]; - - data = s.data; - format = s.datapoints.format; - - if (!format) { - format = []; - // find out how to copy - format.push({ x: true, number: true, required: true }); - format.push({ y: true, number: true, required: true }); - - if (s.bars.show || (s.lines.show && s.lines.fill)) { - var autoscale = !!((s.bars.show && s.bars.zero) || (s.lines.show && s.lines.zero)); - format.push({ y: true, number: true, required: false, defaultValue: 0, autoscale: autoscale }); - if (s.bars.horizontal) { - delete format[format.length - 1].y; - format[format.length - 1].x = true; - } - } - - s.datapoints.format = format; - } - - if (s.datapoints.pointsize != null) - continue; // already filled in - - s.datapoints.pointsize = format.length; - - ps = s.datapoints.pointsize; - points = s.datapoints.points; - - var insertSteps = s.lines.show && s.lines.steps; - s.xaxis.used = s.yaxis.used = true; - - for (j = k = 0; j < data.length; ++j, k += ps) { - p = data[j]; - - var nullify = p == null; - if (!nullify) { - for (m = 0; m < ps; ++m) { - val = p[m]; - f = format[m]; - - if (f) { - if (f.number && val != null) { - val = +val; // convert to number - if (isNaN(val)) - val = null; - else if (val == Infinity) - val = fakeInfinity; - else if (val == -Infinity) - val = -fakeInfinity; - } - - if (val == null) { - if (f.required) - nullify = true; - - if (f.defaultValue != null) - val = f.defaultValue; - } - } - - points[k + m] = val; - } - } - - if (nullify) { - for (m = 0; m < ps; ++m) { - val = points[k + m]; - if (val != null) { - f = format[m]; - // extract min/max info - if (f.autoscale !== false) { - if (f.x) { - updateAxis(s.xaxis, val, val); - } - if (f.y) { - updateAxis(s.yaxis, val, val); - } - } - } - points[k + m] = null; - } - } - - if (insertSteps && k > 0 && (!nullify || points[k - ps] != null)) { - // copy the point to make room for a middle point - for (m = 0; m < ps; ++m) - points[k + ps + m] = points[k + m]; - - // middle point has same y - points[k + 1] = points[k - ps + 1] || 0; - - // if series has null values, let's give the last !null value a nice step - if(nullify) - points[k] = p[0]; - - // we've added a point, better reflect that - k += ps; - } - } - } - - // give the hooks a chance to run - for (i = 0; i < series.length; ++i) { - s = series[i]; - points = s.datapoints.points; - ps = s.datapoints.pointsize; - - // grafana - if (s.transform === 'negative-Y') { - for (j = 0; j < points.length; j += ps) { - if (points[j] == null) - continue; - - val = points[j + 1]; - points[j + 1] = -val; - } - } - - executeHooks(hooks.processDatapoints, [ s, s.datapoints]); - } - - // second pass: find datamax/datamin for auto-scaling - for (i = 0; i < series.length; ++i) { - s = series[i]; - points = s.datapoints.points; - ps = s.datapoints.pointsize; - format = s.datapoints.format; - - var xmin = topSentry, ymin = topSentry, - xmax = bottomSentry, ymax = bottomSentry; - - for (j = 0; j < points.length; j += ps) { - if (points[j] == null) - continue; - - for (m = 0; m < ps; ++m) { - val = points[j + m]; - f = format[m]; - if (!f || f.autoscale === false || val == fakeInfinity || val == -fakeInfinity) - continue; - - if (f.x) { - if (val < xmin) - xmin = val; - if (val > xmax) - xmax = val; - } - if (f.y) { - if (val < ymin) - ymin = val; - if (val > ymax) - ymax = val; - } - } - } - - if (s.bars.show) { - // make sure we got room for the bar on the dancing floor - var delta; - - switch (s.bars.align) { - case "left": - delta = 0; - break; - case "right": - delta = -s.bars.barWidth; - break; - default: - delta = -s.bars.barWidth / 2; - } - - if (s.bars.horizontal) { - ymin += delta; - ymax += delta + s.bars.barWidth; - } - else { - xmin += delta; - xmax += delta + s.bars.barWidth; - } - } - - updateAxis(s.xaxis, xmin, xmax); - updateAxis(s.yaxis, ymin, ymax); - } - - $.each(allAxes(), function (_, axis) { - if (axis.datamin == topSentry) - axis.datamin = null; - if (axis.datamax == bottomSentry) - axis.datamax = null; - }); - } - - function setupCanvases() { - // Make sure the placeholder is clear of everything except canvases - // from a previous plot in this container that we'll try to re-use. - - placeholder.find(".flot-temp-elem").remove(); - - if (placeholder.css("position") == 'static') - placeholder.css("position", "relative"); // for positioning labels and overlay - - surface = new Canvas("flot-base", placeholder); - overlay = new Canvas("flot-overlay", placeholder); // overlay canvas for interactive features - - ctx = surface.context; - octx = overlay.context; - - // define which element we're listening for events on - eventHolder = $(overlay.element).unbind(); - - // If we're re-using a plot object, shut down the old one - - var existing = placeholder.data("plot"); - - if (existing) { - existing.shutdown(); - overlay.clear(); - } - - // save in case we get replotted - placeholder.data("plot", plot); - } - - function bindEvents() { - // bind events - if (options.grid.hoverable) { - eventHolder.mousemove(onMouseMove); - - // Use bind, rather than .mouseleave, because we officially - // still support jQuery 1.2.6, which doesn't define a shortcut - // for mouseenter or mouseleave. This was a bug/oversight that - // was fixed somewhere around 1.3.x. We can return to using - // .mouseleave when we drop support for 1.2.6. - - eventHolder.bind("mouseleave", onMouseLeave); - } - - if (options.grid.clickable) - eventHolder.click(onClick); - - executeHooks(hooks.bindEvents, [eventHolder]); - } - - function shutdown() { - if (redrawTimeout) - clearTimeout(redrawTimeout); - - eventHolder.unbind("mousemove", onMouseMove); - eventHolder.unbind("mouseleave", onMouseLeave); - eventHolder.unbind("click", onClick); - - executeHooks(hooks.shutdown, [eventHolder]); - } - - function setTransformationHelpers(axis) { - // set helper functions on the axis, assumes plot area - // has been computed already - - function identity(x) { return x; } - - var s, m, t = axis.options.transform || identity, - it = axis.options.inverseTransform; - - // precompute how much the axis is scaling a point - // in canvas space - if (axis.direction == "x") { - s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min)); - m = Math.min(t(axis.max), t(axis.min)); - } - else { - s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min)); - s = -s; - m = Math.max(t(axis.max), t(axis.min)); - } - - // data point to canvas coordinate - if (t == identity) // slight optimization - axis.p2c = function (p) { return (p - m) * s; }; - else - axis.p2c = function (p) { return (t(p) - m) * s; }; - // canvas coordinate to data point - if (!it) - axis.c2p = function (c) { return m + c / s; }; - else - axis.c2p = function (c) { return it(m + c / s); }; - } - - function measureTickLabels(axis) { - - var opts = axis.options, - ticks = axis.ticks || [], - labelWidth = opts.labelWidth || 0, - labelHeight = opts.labelHeight || 0, - maxWidth = labelWidth || (axis.direction == "x" ? Math.floor(surface.width / (ticks.length || 1)) : null), - legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", - layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, - font = opts.font || "flot-tick-label tickLabel"; - - for (var i = 0; i < ticks.length; ++i) { - - var t = ticks[i]; - - if (!t.label) - continue; - - var info = surface.getTextInfo(layer, t.label, font, null, maxWidth); - - /// Grafana fix, add +1 to label width - labelWidth = Math.max(labelWidth, info.width + 1); - labelHeight = Math.max(labelHeight, info.height); - } - - axis.labelWidth = opts.labelWidth || labelWidth; - axis.labelHeight = opts.labelHeight || labelHeight; - } - - function allocateAxisBoxFirstPhase(axis) { - // find the bounding box of the axis by looking at label - // widths/heights and ticks, make room by diminishing the - // plotOffset; this first phase only looks at one - // dimension per axis, the other dimension depends on the - // other axes so will have to wait - - var lw = axis.labelWidth, - lh = axis.labelHeight, - pos = axis.options.position, - isXAxis = axis.direction === "x", - tickLength = axis.options.tickLength, - axisMargin = options.grid.axisMargin, - padding = options.grid.labelMargin, - eventSectionPadding = options.grid.eventSectionHeight, - innermost = true, - outermost = true, - first = true, - found = false; - - // Determine the axis's position in its direction and on its side - - $.each(isXAxis ? xaxes : yaxes, function(i, a) { - if (a && (a.show || a.reserveSpace)) { - if (a === axis) { - found = true; - } else if (a.options.position === pos) { - if (found) { - outermost = false; - } else { - innermost = false; - } - } - if (!found) { - first = false; - } - } - }); - - // The outermost axis on each side has no margin - - if (outermost) { - axisMargin = 0; - } - - // The ticks for the first axis in each direction stretch across - - if (tickLength == null) { - tickLength = first ? "full" : 5; - } - - if (!isNaN(+tickLength)) - padding += +tickLength; - - if (isXAxis) { - // Add space for event section - lh += padding; - lh += eventSectionPadding; - - if (pos == "bottom") { - plotOffset.bottom += lh + axisMargin; - axis.box = { top: surface.height - plotOffset.bottom, height: lh }; - } - else { - axis.box = { top: plotOffset.top + axisMargin, height: lh }; - plotOffset.top += lh + axisMargin; - } - } - else { - lw += padding; - - if (pos == "left") { - axis.box = { left: plotOffset.left + axisMargin, width: lw }; - plotOffset.left += lw + axisMargin; - } - else { - plotOffset.right += lw + axisMargin; - axis.box = { left: surface.width - plotOffset.right, width: lw }; - } - } - - // save for future reference - axis.position = pos; - axis.tickLength = tickLength; - axis.box.padding = padding; - axis.box.eventSectionPadding = eventSectionPadding; - axis.innermost = innermost; - } - - function allocateAxisBoxSecondPhase(axis) { - // now that all axis boxes have been placed in one - // dimension, we can set the remaining dimension coordinates - if (axis.direction == "x") { - axis.box.left = plotOffset.left - axis.labelWidth / 2; - axis.box.width = surface.width - plotOffset.left - plotOffset.right + axis.labelWidth; - } - else { - axis.box.top = plotOffset.top - axis.labelHeight / 2; - axis.box.height = surface.height - plotOffset.bottom - plotOffset.top + axis.labelHeight; - } - } - - function adjustLayoutForThingsStickingOut() { - // possibly adjust plot offset to ensure everything stays - // inside the canvas and isn't clipped off - - var minMargin = options.grid.minBorderMargin, - axis, i; - - // check stuff from the plot (FIXME: this should just read - // a value from the series, otherwise it's impossible to - // customize) - if (minMargin == null) { - minMargin = 0; - for (i = 0; i < series.length; ++i) - minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2)); - } - - var margins = { - left: minMargin, - right: minMargin, - top: minMargin, - bottom: minMargin - }; - - // check axis labels, note we don't check the actual - // labels but instead use the overall width/height to not - // jump as much around with replots - $.each(allAxes(), function (_, axis) { - if (axis.reserveSpace && axis.ticks && axis.ticks.length) { - if (axis.direction === "x") { - margins.left = Math.max(margins.left, axis.labelWidth / 2); - margins.right = Math.max(margins.right, axis.labelWidth / 2); - } else { - margins.bottom = Math.max(margins.bottom, axis.labelHeight / 2); - margins.top = Math.max(margins.top, axis.labelHeight / 2); - } - } - }); - - plotOffset.left = Math.ceil(Math.max(margins.left, plotOffset.left)); - plotOffset.right = Math.ceil(Math.max(margins.right, plotOffset.right)); - plotOffset.top = Math.ceil(Math.max(margins.top, plotOffset.top)); - plotOffset.bottom = Math.ceil(Math.max(margins.bottom, plotOffset.bottom)); - } - - function setupGrid() { - var i, axes = allAxes(), showGrid = options.grid.show; - - // Initialize the plot's offset from the edge of the canvas - - for (var a in plotOffset) { - var margin = options.grid.margin || 0; - plotOffset[a] = typeof margin == "number" ? margin : margin[a] || 0; - } - - executeHooks(hooks.processOffset, [plotOffset]); - - // If the grid is visible, add its border width to the offset - - for (var a in plotOffset) { - if(typeof(options.grid.borderWidth) == "object") { - plotOffset[a] += showGrid ? options.grid.borderWidth[a] : 0; - } - else { - plotOffset[a] += showGrid ? options.grid.borderWidth : 0; - } - } - - $.each(axes, function (_, axis) { - var axisOpts = axis.options; - axis.show = axisOpts.show == null ? axis.used : axisOpts.show; - axis.reserveSpace = axisOpts.reserveSpace == null ? axis.show : axisOpts.reserveSpace; - setRange(axis); - }); - - if (showGrid) { - - var allocatedAxes = $.grep(axes, function (axis) { - return axis.show || axis.reserveSpace; - }); - - $.each(allocatedAxes, function (_, axis) { - // make the ticks - setupTickGeneration(axis); - setTicks(axis); - snapRangeToTicks(axis, axis.ticks); - // find labelWidth/Height for axis - measureTickLabels(axis); - }); - - // with all dimensions calculated, we can compute the - // axis bounding boxes, start from the outside - // (reverse order) - for (i = allocatedAxes.length - 1; i >= 0; --i) - allocateAxisBoxFirstPhase(allocatedAxes[i]); - - // make sure we've got enough space for things that - // might stick out - adjustLayoutForThingsStickingOut(); - - $.each(allocatedAxes, function (_, axis) { - allocateAxisBoxSecondPhase(axis); - }); - } - - plotWidth = surface.width - plotOffset.left - plotOffset.right; - plotHeight = surface.height - plotOffset.bottom - plotOffset.top; - - // now we got the proper plot dimensions, we can compute the scaling - $.each(axes, function (_, axis) { - setTransformationHelpers(axis); - }); - - if (showGrid) { - drawAxisLabels(); - } - - insertLegend(); - } - - function setRange(axis) { - var opts = axis.options, - min = +(opts.min != null ? opts.min : axis.datamin), - max = +(opts.max != null ? opts.max : axis.datamax), - delta = max - min; - - if (delta == 0.0) { - // Grafana fix: wide Y min and max using increased wideFactor - // when all series values are the same - var wideFactor = 0.25; - var widen = Math.abs(max == 0 ? 1 : max * wideFactor); - - if (opts.min == null) { - min -= widen; - } - // always widen max if we couldn't widen min to ensure we - // don't fall into min == max which doesn't work - if (opts.max == null || opts.min != null) { - max += widen; - } - } - else { - // consider autoscaling - var margin = opts.autoscaleMargin; - if (margin != null) { - if (opts.min == null) { - min -= delta * margin; - // make sure we don't go below zero if all values - // are positive - if (min < 0 && axis.datamin != null && axis.datamin >= 0) - min = 0; - } - if (opts.max == null) { - max += delta * margin; - if (max > 0 && axis.datamax != null && axis.datamax <= 0) - max = 0; - } - } - } - axis.min = min; - axis.max = max; - } - - function setupTickGeneration(axis) { - var opts = axis.options; - - // estimate number of ticks - var noTicks; - if (typeof opts.ticks == "number" && opts.ticks > 0) - noTicks = opts.ticks; - else - // heuristic based on the model a*sqrt(x) fitted to - // some data points that seemed reasonable - noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? surface.width : surface.height); - - var delta = (axis.max - axis.min) / noTicks, - dec = -Math.floor(Math.log(delta) / Math.LN10), - maxDec = opts.tickDecimals; - - if (maxDec != null && dec > maxDec) { - dec = maxDec; - } - - var magn = Math.pow(10, -dec), - norm = delta / magn, // norm is between 1.0 and 10.0 - size; - - if (norm < 1.5) { - size = 1; - } else if (norm < 3) { - size = 2; - // special case for 2.5, requires an extra decimal - if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { - size = 2.5; - ++dec; - } - } else if (norm < 7.5) { - size = 5; - } else { - size = 10; - } - - size *= magn; - - if (opts.minTickSize != null && size < opts.minTickSize) { - size = opts.minTickSize; - } - - axis.delta = delta; - axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); - axis.tickSize = opts.tickSize || size; - // grafana addition - axis.scaledDecimals = axis.tickDecimals - Math.floor(Math.log(axis.tickSize) / Math.LN10); - - // Time mode was moved to a plug-in in 0.8, and since so many people use it - // we'll add an especially friendly reminder to make sure they included it. - - if (opts.mode == "time" && !axis.tickGenerator) { - throw new Error("Time mode requires the flot.time plugin."); - } - - // Flot supports base-10 axes; any other mode else is handled by a plug-in, - // like flot.time.js. - - if (!axis.tickGenerator) { - - axis.tickGenerator = function (axis) { - - var ticks = [], - start = floorInBase(axis.min, axis.tickSize), - i = 0, - v = Number.NaN, - prev; - - do { - prev = v; - v = start + i * axis.tickSize; - ticks.push(v); - ++i; - } while (v < axis.max && v != prev); - return ticks; - }; - - axis.tickFormatter = function (value, axis) { - - var factor = axis.tickDecimals ? Math.pow(10, axis.tickDecimals) : 1; - var formatted = "" + Math.round(value * factor) / factor; - - // If tickDecimals was specified, ensure that we have exactly that - // much precision; otherwise default to the value's own precision. - - if (axis.tickDecimals != null) { - var decimal = formatted.indexOf("."); - var precision = decimal == -1 ? 0 : formatted.length - decimal - 1; - if (precision < axis.tickDecimals) { - return (precision ? formatted : formatted + ".") + ("" + factor).substr(1, axis.tickDecimals - precision); - } - } - - return formatted; - }; - } - - if ($.isFunction(opts.tickFormatter)) - axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); }; - - if (opts.alignTicksWithAxis != null) { - var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1]; - if (otherAxis && otherAxis.used && otherAxis != axis) { - // consider snapping min/max to outermost nice ticks - var niceTicks = axis.tickGenerator(axis); - if (niceTicks.length > 0) { - if (opts.min == null) - axis.min = Math.min(axis.min, niceTicks[0]); - if (opts.max == null && niceTicks.length > 1) - axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]); - } - - axis.tickGenerator = function (axis) { - // copy ticks, scaled to this axis - var ticks = [], v, i; - for (i = 0; i < otherAxis.ticks.length; ++i) { - v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min); - v = axis.min + v * (axis.max - axis.min); - ticks.push(v); - } - return ticks; - }; - - // we might need an extra decimal since forced - // ticks don't necessarily fit naturally - if (!axis.mode && opts.tickDecimals == null) { - var extraDec = Math.max(0, -Math.floor(Math.log(axis.delta) / Math.LN10) + 1), - ts = axis.tickGenerator(axis); - - // only proceed if the tick interval rounded - // with an extra decimal doesn't give us a - // zero at end - if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec)))) - axis.tickDecimals = extraDec; - } - } - } - } - - function setTicks(axis) { - var oticks = axis.options.ticks, ticks = []; - if (oticks == null || (typeof oticks == "number" && oticks > 0)) - ticks = axis.tickGenerator(axis); - else if (oticks) { - if ($.isFunction(oticks)) - // generate the ticks - ticks = oticks(axis); - else - ticks = oticks; - } - - // clean up/labelify the supplied ticks, copy them over - var i, v; - axis.ticks = []; - for (i = 0; i < ticks.length; ++i) { - var label = null; - var t = ticks[i]; - if (typeof t == "object") { - v = +t[0]; - if (t.length > 1) - label = t[1]; - } - else - v = +t; - if (label == null) - label = axis.tickFormatter(v, axis); - if (!isNaN(v)) - axis.ticks.push({ v: v, label: label }); - } - } - - function snapRangeToTicks(axis, ticks) { - if (axis.options.autoscaleMargin && ticks.length > 0) { - // snap to ticks - if (axis.options.min == null) - axis.min = Math.min(axis.min, ticks[0].v); - if (axis.options.max == null && ticks.length > 1) - axis.max = Math.max(axis.max, ticks[ticks.length - 1].v); - } - } - - function draw() { - - surface.clear(); - - executeHooks(hooks.drawBackground, [ctx]); - - var grid = options.grid; - - // draw background, if any - if (grid.show && grid.backgroundColor) - drawBackground(); - - if (grid.show && !grid.aboveData) { - drawGrid(); - } - - for (var i = 0; i < series.length; ++i) { - executeHooks(hooks.drawSeries, [ctx, series[i]]); - drawSeries(series[i]); - } - - executeHooks(hooks.draw, [ctx]); - - if (grid.show && grid.aboveData) { - drawGrid(); - } - - surface.render(); - - // A draw implies that either the axes or data have changed, so we - // should probably update the overlay highlights as well. - - triggerRedrawOverlay(); - } - - function extractRange(ranges, coord) { - var axis, from, to, key, axes = allAxes(); - - for (var i = 0; i < axes.length; ++i) { - axis = axes[i]; - if (axis.direction == coord) { - key = coord + axis.n + "axis"; - if (!ranges[key] && axis.n == 1) - key = coord + "axis"; // support x1axis as xaxis - if (ranges[key]) { - from = ranges[key].from; - to = ranges[key].to; - break; - } - } - } - - // backwards-compat stuff - to be removed in future - if (!ranges[key]) { - axis = coord == "x" ? xaxes[0] : yaxes[0]; - from = ranges[coord + "1"]; - to = ranges[coord + "2"]; - } - - // auto-reverse as an added bonus - if (from != null && to != null && from > to) { - var tmp = from; - from = to; - to = tmp; - } - - return { from: from, to: to, axis: axis }; - } - - function drawBackground() { - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)"); - ctx.fillRect(0, 0, plotWidth, plotHeight); - ctx.restore(); - } - - function drawGrid() { - var i, axes, bw, bc; - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - // draw markings - var markings = options.grid.markings; - if (markings) { - if ($.isFunction(markings)) { - axes = plot.getAxes(); - // xmin etc. is backwards compatibility, to be - // removed in the future - axes.xmin = axes.xaxis.min; - axes.xmax = axes.xaxis.max; - axes.ymin = axes.yaxis.min; - axes.ymax = axes.yaxis.max; - - markings = markings(axes); - } - - for (i = 0; i < markings.length; ++i) { - var m = markings[i], - xrange = extractRange(m, "x"), - yrange = extractRange(m, "y"); - - // fill in missing - if (xrange.from == null) - xrange.from = xrange.axis.min; - if (xrange.to == null) - xrange.to = xrange.axis.max; - if (yrange.from == null) - yrange.from = yrange.axis.min; - if (yrange.to == null) - yrange.to = yrange.axis.max; - - // clip - if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max || - yrange.to < yrange.axis.min || yrange.from > yrange.axis.max) - continue; - - xrange.from = Math.max(xrange.from, xrange.axis.min); - xrange.to = Math.min(xrange.to, xrange.axis.max); - yrange.from = Math.max(yrange.from, yrange.axis.min); - yrange.to = Math.min(yrange.to, yrange.axis.max); - - var xequal = xrange.from === xrange.to, - yequal = yrange.from === yrange.to; - - if (xequal && yequal) { - continue; - } - - // then draw - xrange.from = Math.floor(xrange.axis.p2c(xrange.from)); - xrange.to = Math.floor(xrange.axis.p2c(xrange.to)); - yrange.from = Math.floor(yrange.axis.p2c(yrange.from)); - yrange.to = Math.floor(yrange.axis.p2c(yrange.to)); - - if (xequal || yequal) { - var lineWidth = m.lineWidth || options.grid.markingsLineWidth, - subPixel = lineWidth % 2 ? 0.5 : 0; - ctx.beginPath(); - ctx.strokeStyle = m.color || options.grid.markingsColor; - ctx.lineWidth = lineWidth; - if (xequal) { - ctx.moveTo(xrange.to + subPixel, yrange.from); - ctx.lineTo(xrange.to + subPixel, yrange.to); - } else { - ctx.moveTo(xrange.from, yrange.to + subPixel); - ctx.lineTo(xrange.to, yrange.to + subPixel); - } - ctx.stroke(); - } else { - ctx.fillStyle = m.color || options.grid.markingsColor; - ctx.fillRect(xrange.from, yrange.to, - xrange.to - xrange.from, - yrange.from - yrange.to); - } - } - } - - // draw the ticks - axes = allAxes(); - bw = options.grid.borderWidth; - - for (var j = 0; j < axes.length; ++j) { - var axis = axes[j], box = axis.box, - t = axis.tickLength, x, y, xoff, yoff; - if (!axis.show || axis.ticks.length == 0) - continue; - - ctx.lineWidth = 1; - - // find the edges - if (axis.direction == "x") { - x = 0; - if (t == "full") - y = (axis.position == "top" ? 0 : plotHeight); - else - y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0); - } - else { - y = 0; - if (t == "full") - x = (axis.position == "left" ? 0 : plotWidth); - else - x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0); - } - - // draw tick bar - if (!axis.innermost) { - ctx.strokeStyle = axis.options.color; - ctx.beginPath(); - xoff = yoff = 0; - if (axis.direction == "x") - xoff = plotWidth + 1; - else - yoff = plotHeight + 1; - - if (ctx.lineWidth == 1) { - if (axis.direction == "x") { - y = Math.floor(y) + 0.5; - } else { - x = Math.floor(x) + 0.5; - } - } - - ctx.moveTo(x, y); - ctx.lineTo(x + xoff, y + yoff); - ctx.stroke(); - } - - // draw ticks - - ctx.strokeStyle = axis.options.tickColor; - - ctx.beginPath(); - for (i = 0; i < axis.ticks.length; ++i) { - var v = axis.ticks[i].v; - - xoff = yoff = 0; - - if (isNaN(v) || v < axis.min || v > axis.max - // skip those lying on the axes if we got a border - || (t == "full" - && ((typeof bw == "object" && bw[axis.position] > 0) || bw > 0) - && (v == axis.min || v == axis.max))) - continue; - - if (axis.direction == "x") { - x = axis.p2c(v); - yoff = t == "full" ? -plotHeight : t; - - if (axis.position == "top") - yoff = -yoff; - } - else { - y = axis.p2c(v); - xoff = t == "full" ? -plotWidth : t; - - if (axis.position == "left") - xoff = -xoff; - } - - if (ctx.lineWidth == 1) { - if (axis.direction == "x") - x = Math.floor(x) + 0.5; - else - y = Math.floor(y) + 0.5; - } - - ctx.moveTo(x, y); - ctx.lineTo(x + xoff, y + yoff); - } - - ctx.stroke(); - } - - - // draw border - if (bw) { - // If either borderWidth or borderColor is an object, then draw the border - // line by line instead of as one rectangle - bc = options.grid.borderColor; - if(typeof bw == "object" || typeof bc == "object") { - if (typeof bw !== "object") { - bw = {top: bw, right: bw, bottom: bw, left: bw}; - } - if (typeof bc !== "object") { - bc = {top: bc, right: bc, bottom: bc, left: bc}; - } - - if (bw.top > 0) { - ctx.strokeStyle = bc.top; - ctx.lineWidth = bw.top; - ctx.beginPath(); - ctx.moveTo(0 - bw.left, 0 - bw.top/2); - ctx.lineTo(plotWidth, 0 - bw.top/2); - ctx.stroke(); - } - - if (bw.right > 0) { - ctx.strokeStyle = bc.right; - ctx.lineWidth = bw.right; - ctx.beginPath(); - ctx.moveTo(plotWidth + bw.right / 2, 0 - bw.top); - ctx.lineTo(plotWidth + bw.right / 2, plotHeight); - ctx.stroke(); - } - - if (bw.bottom > 0) { - ctx.strokeStyle = bc.bottom; - ctx.lineWidth = bw.bottom; - ctx.beginPath(); - ctx.moveTo(plotWidth + bw.right, plotHeight + bw.bottom / 2); - ctx.lineTo(0, plotHeight + bw.bottom / 2); - ctx.stroke(); - } - - if (bw.left > 0) { - ctx.strokeStyle = bc.left; - ctx.lineWidth = bw.left; - ctx.beginPath(); - ctx.moveTo(0 - bw.left/2, plotHeight + bw.bottom); - ctx.lineTo(0- bw.left/2, 0); - ctx.stroke(); - } - } - else { - ctx.lineWidth = bw; - ctx.strokeStyle = options.grid.borderColor; - ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); - } - } - - ctx.restore(); - } - - function drawAxisLabels() { - - $.each(allAxes(), function (_, axis) { - var box = axis.box, - legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", - layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, - font = axis.options.font || "flot-tick-label tickLabel", - tick, x, y, halign, valign; - - // Remove text before checking for axis.show and ticks.length; - // otherwise plugins, like flot-tickrotor, that draw their own - // tick labels will end up with both theirs and the defaults. - - surface.removeText(layer); - - if (!axis.show || axis.ticks.length == 0) - return; - - for (var i = 0; i < axis.ticks.length; ++i) { - - tick = axis.ticks[i]; - if (!tick.label || tick.v < axis.min || tick.v > axis.max) - continue; - - if (axis.direction == "x") { - halign = "center"; - x = plotOffset.left + axis.p2c(tick.v); - if (axis.position == "bottom") { - y = box.top + box.padding + box.eventSectionPadding; - } else { - y = box.top + box.height - box.padding; - valign = "bottom"; - } - } else { - valign = "middle"; - y = plotOffset.top + axis.p2c(tick.v); - if (axis.position == "left") { - x = box.left + box.width - box.padding; - halign = "right"; - } else { - x = box.left + box.padding; - } - } - - surface.addText(layer, x, y, tick.label, font, null, null, halign, valign); - } - }); - } - - function drawSeries(series) { - if (series.lines.show) - drawSeriesLines(series); - if (series.bars.show) - drawSeriesBars(series); - if (series.points.show) - drawSeriesPoints(series); - } - - function drawSeriesLines(series) { - function plotLine(datapoints, xoffset, yoffset, axisx, axisy) { - var points = datapoints.points, - ps = datapoints.pointsize, - prevx = null, prevy = null; - - ctx.beginPath(); - for (var i = ps; i < points.length; i += ps) { - var x1 = points[i - ps], y1 = points[i - ps + 1], - x2 = points[i], y2 = points[i + 1]; - - if (x1 == null || x2 == null) - continue; - - // clip with ymin - if (y1 <= y2 && y1 < axisy.min) { - if (y2 < axisy.min) - continue; // line segment is outside - // compute new intersection point - x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; - y1 = axisy.min; - } - else if (y2 <= y1 && y2 < axisy.min) { - if (y1 < axisy.min) - continue; - x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; - y2 = axisy.min; - } - - // clip with ymax - if (y1 >= y2 && y1 > axisy.max) { - if (y2 > axisy.max) - continue; - x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; - y1 = axisy.max; - } - else if (y2 >= y1 && y2 > axisy.max) { - if (y1 > axisy.max) - continue; - x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; - y2 = axisy.max; - } - - // clip with xmin - if (x1 <= x2 && x1 < axisx.min) { - if (x2 < axisx.min) - continue; - y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; - x1 = axisx.min; - } - else if (x2 <= x1 && x2 < axisx.min) { - if (x1 < axisx.min) - continue; - y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; - x2 = axisx.min; - } - - // clip with xmax - if (x1 >= x2 && x1 > axisx.max) { - if (x2 > axisx.max) - continue; - y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; - x1 = axisx.max; - } - else if (x2 >= x1 && x2 > axisx.max) { - if (x1 > axisx.max) - continue; - y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; - x2 = axisx.max; - } - - if (x1 != prevx || y1 != prevy) - ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); - - prevx = x2; - prevy = y2; - ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset); - } - ctx.stroke(); - } - - function plotLineArea(datapoints, axisx, axisy) { - var points = datapoints.points, - ps = datapoints.pointsize, - bottom = Math.min(Math.max(0, axisy.min), axisy.max), - i = 0, top, areaOpen = false, - ypos = 1, segmentStart = 0, segmentEnd = 0; - - // we process each segment in two turns, first forward - // direction to sketch out top, then once we hit the - // end we go backwards to sketch the bottom - while (true) { - if (ps > 0 && i > points.length + ps) - break; - - i += ps; // ps is negative if going backwards - - var x1 = points[i - ps], - y1 = points[i - ps + ypos], - x2 = points[i], y2 = points[i + ypos]; - - if (areaOpen) { - if (ps > 0 && x1 != null && x2 == null) { - // at turning point - segmentEnd = i; - ps = -ps; - ypos = 2; - continue; - } - - if (ps < 0 && i == segmentStart + ps) { - // done with the reverse sweep - ctx.fill(); - areaOpen = false; - ps = -ps; - ypos = 1; - i = segmentStart = segmentEnd + ps; - continue; - } - } - - if (x1 == null || x2 == null) - continue; - - // clip x values - - // clip with xmin - if (x1 <= x2 && x1 < axisx.min) { - if (x2 < axisx.min) - continue; - y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; - x1 = axisx.min; - } - else if (x2 <= x1 && x2 < axisx.min) { - if (x1 < axisx.min) - continue; - y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; - x2 = axisx.min; - } - - // clip with xmax - if (x1 >= x2 && x1 > axisx.max) { - if (x2 > axisx.max) - continue; - y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; - x1 = axisx.max; - } - else if (x2 >= x1 && x2 > axisx.max) { - if (x1 > axisx.max) - continue; - y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; - x2 = axisx.max; - } - - if (!areaOpen) { - // open area - ctx.beginPath(); - ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom)); - areaOpen = true; - } - - // now first check the case where both is outside - if (y1 >= axisy.max && y2 >= axisy.max) { - ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max)); - ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max)); - continue; - } - else if (y1 <= axisy.min && y2 <= axisy.min) { - ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min)); - ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min)); - continue; - } - - // else it's a bit more complicated, there might - // be a flat maxed out rectangle first, then a - // triangular cutout or reverse; to find these - // keep track of the current x values - var x1old = x1, x2old = x2; - - // clip the y values, without shortcutting, we - // go through all cases in turn - - // clip with ymin - if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) { - x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; - y1 = axisy.min; - } - else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) { - x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; - y2 = axisy.min; - } - - // clip with ymax - if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) { - x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; - y1 = axisy.max; - } - else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) { - x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; - y2 = axisy.max; - } - - // if the x value was changed we got a rectangle - // to fill - if (x1 != x1old) { - ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1)); - // it goes to (x1, y1), but we fill that below - } - - // fill triangular section, this sometimes result - // in redundant points if (x1, y1) hasn't changed - // from previous line to, but we just ignore that - ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1)); - ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); - - // fill the other rectangle if it's there - if (x2 != x2old) { - ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); - ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2)); - } - } - } - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - ctx.lineJoin = "round"; - - var lw = series.lines.lineWidth, - sw = series.shadowSize; - // FIXME: consider another form of shadow when filling is turned on - if (lw > 0 && sw > 0) { - // draw shadow as a thick and thin line with transparency - ctx.lineWidth = sw; - ctx.strokeStyle = "rgba(0,0,0,0.1)"; - // position shadow at angle from the mid of line - var angle = Math.PI/18; - plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis); - ctx.lineWidth = sw/2; - plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis); - } - - ctx.lineWidth = lw; - ctx.strokeStyle = series.color; - var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight); - if (fillStyle) { - ctx.fillStyle = fillStyle; - plotLineArea(series.datapoints, series.xaxis, series.yaxis); - } - - if (lw > 0) - plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis); - ctx.restore(); - } - - function drawSeriesPoints(series) { - function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) { - var points = datapoints.points, ps = datapoints.pointsize; - - for (var i = 0; i < points.length; i += ps) { - var x = points[i], y = points[i + 1]; - if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) - continue; - - ctx.beginPath(); - x = axisx.p2c(x); - y = axisy.p2c(y) + offset; - if (symbol == "circle") - ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false); - else - symbol(ctx, x, y, radius, shadow); - ctx.closePath(); - - if (fillStyle) { - ctx.fillStyle = fillStyle; - ctx.fill(); - } - ctx.stroke(); - } - } - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - var lw = series.points.lineWidth, - sw = series.shadowSize, - radius = series.points.radius, - symbol = series.points.symbol; - - // If the user sets the line width to 0, we change it to a very - // small value. A line width of 0 seems to force the default of 1. - // Doing the conditional here allows the shadow setting to still be - // optional even with a lineWidth of 0. - - if( lw == 0 ) - lw = 0.0001; - - if (lw > 0 && sw > 0) { - // draw shadow in two steps - var w = sw / 2; - ctx.lineWidth = w; - ctx.strokeStyle = "rgba(0,0,0,0.1)"; - plotPoints(series.datapoints, radius, null, w + w/2, true, - series.xaxis, series.yaxis, symbol); - - ctx.strokeStyle = "rgba(0,0,0,0.2)"; - plotPoints(series.datapoints, radius, null, w/2, true, - series.xaxis, series.yaxis, symbol); - } - - ctx.lineWidth = lw; - ctx.strokeStyle = series.color; - plotPoints(series.datapoints, radius, - getFillStyle(series.points, series.color), 0, false, - series.xaxis, series.yaxis, symbol); - ctx.restore(); - } - - function drawBar(x, y, b, barLeft, barRight, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) { - var left, right, bottom, top, - drawLeft, drawRight, drawTop, drawBottom, - tmp; - - // in horizontal mode, we start the bar from the left - // instead of from the bottom so it appears to be - // horizontal rather than vertical - if (horizontal) { - drawBottom = drawRight = drawTop = true; - drawLeft = false; - left = b; - right = x; - top = y + barLeft; - bottom = y + barRight; - - // account for negative bars - if (right < left) { - tmp = right; - right = left; - left = tmp; - drawLeft = true; - drawRight = false; - } - } - else { - drawLeft = drawRight = drawTop = true; - drawBottom = false; - left = x + barLeft; - right = x + barRight; - bottom = b; - top = y; - - // account for negative bars - if (top < bottom) { - tmp = top; - top = bottom; - bottom = tmp; - drawBottom = true; - drawTop = false; - } - } - - // clip - if (right < axisx.min || left > axisx.max || - top < axisy.min || bottom > axisy.max) - return; - - if (left < axisx.min) { - left = axisx.min; - drawLeft = false; - } - - if (right > axisx.max) { - right = axisx.max; - drawRight = false; - } - - if (bottom < axisy.min) { - bottom = axisy.min; - drawBottom = false; - } - - if (top > axisy.max) { - top = axisy.max; - drawTop = false; - } - - left = axisx.p2c(left); - bottom = axisy.p2c(bottom); - right = axisx.p2c(right); - top = axisy.p2c(top); - - // fill the bar - if (fillStyleCallback) { - c.fillStyle = fillStyleCallback(bottom, top); - c.fillRect(left, top, right - left, bottom - top) - } - - // draw outline - if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) { - c.beginPath(); - - // FIXME: inline moveTo is buggy with excanvas - c.moveTo(left, bottom); - if (drawLeft) - c.lineTo(left, top); - else - c.moveTo(left, top); - if (drawTop) - c.lineTo(right, top); - else - c.moveTo(right, top); - if (drawRight) - c.lineTo(right, bottom); - else - c.moveTo(right, bottom); - if (drawBottom) - c.lineTo(left, bottom); - else - c.moveTo(left, bottom); - c.stroke(); - } - } - - function drawSeriesBars(series) { - function plotBars(datapoints, barLeft, barRight, fillStyleCallback, axisx, axisy) { - var points = datapoints.points, ps = datapoints.pointsize; - - for (var i = 0; i < points.length; i += ps) { - if (points[i] == null) - continue; - drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth); - } - } - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - // FIXME: figure out a way to add shadows (for instance along the right edge) - ctx.lineWidth = series.bars.lineWidth; - ctx.strokeStyle = series.color; - - var barLeft; - - switch (series.bars.align) { - case "left": - barLeft = 0; - break; - case "right": - barLeft = -series.bars.barWidth; - break; - default: - barLeft = -series.bars.barWidth / 2; - } - - var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null; - plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, fillStyleCallback, series.xaxis, series.yaxis); - ctx.restore(); - } - - function getFillStyle(filloptions, seriesColor, bottom, top) { - var fill = filloptions.fill; - if (!fill) - return null; - - if (filloptions.fillColor) - return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor); - - var c = $.color.parse(seriesColor); - c.a = typeof fill == "number" ? fill : 0.4; - c.normalize(); - return c.toString(); - } - - function insertLegend() { - - if (options.legend.container != null) { - $(options.legend.container).html(""); - } else { - placeholder.find(".legend").remove(); - } - - if (!options.legend.show) { - return; - } - - var fragments = [], entries = [], rowStarted = false, - lf = options.legend.labelFormatter, s, label; - - // Build a list of legend entries, with each having a label and a color - - for (var i = 0; i < series.length; ++i) { - s = series[i]; - if (s.label) { - label = lf ? lf(s.label, s) : s.label; - if (label) { - entries.push({ - label: label, - color: s.color - }); - } - } - } - - // Sort the legend using either the default or a custom comparator - - if (options.legend.sorted) { - if ($.isFunction(options.legend.sorted)) { - entries.sort(options.legend.sorted); - } else if (options.legend.sorted == "reverse") { - entries.reverse(); - } else { - var ascending = options.legend.sorted != "descending"; - entries.sort(function(a, b) { - return a.label == b.label ? 0 : ( - (a.label < b.label) != ascending ? 1 : -1 // Logical XOR - ); - }); - } - } - - // Generate markup for the list of entries, in their final order - - for (var i = 0; i < entries.length; ++i) { - - var entry = entries[i]; - - if (i % options.legend.noColumns == 0) { - if (rowStarted) - fragments.push(''); - fragments.push(''); - rowStarted = true; - } - - fragments.push( - '
' + - '' + entry.label + '' - ); - } - - if (rowStarted) - fragments.push(''); - - if (fragments.length == 0) - return; - - var table = '' + fragments.join("") + '
'; - if (options.legend.container != null) - $(options.legend.container).html(table); - else { - var pos = "", - p = options.legend.position, - m = options.legend.margin; - if (m[0] == null) - m = [m, m]; - if (p.charAt(0) == "n") - pos += 'top:' + (m[1] + plotOffset.top) + 'px;'; - else if (p.charAt(0) == "s") - pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;'; - if (p.charAt(1) == "e") - pos += 'right:' + (m[0] + plotOffset.right) + 'px;'; - else if (p.charAt(1) == "w") - pos += 'left:' + (m[0] + plotOffset.left) + 'px;'; - var legend = $('
' + table.replace('style="', 'style="position:absolute;' + pos +';') + '
').appendTo(placeholder); - if (options.legend.backgroundOpacity != 0.0) { - // put in the transparent background - // separately to avoid blended labels and - // label boxes - var c = options.legend.backgroundColor; - if (c == null) { - c = options.grid.backgroundColor; - if (c && typeof c == "string") - c = $.color.parse(c); - else - c = $.color.extract(legend, 'background-color'); - c.a = 1; - c = c.toString(); - } - var div = legend.children(); - $('
').prependTo(legend).css('opacity', options.legend.backgroundOpacity); - } - } - } - - - // interactive features - - var highlights = [], - redrawTimeout = null; - - // returns the data item the mouse is over, or null if none is found - function findNearbyItem(mouseX, mouseY, seriesFilter) { - var maxDistance = options.grid.mouseActiveRadius, - smallestDistance = maxDistance * maxDistance + 1, - item = null, foundPoint = false, i, j, ps; - - for (i = series.length - 1; i >= 0; --i) { - if (!seriesFilter(series[i])) - continue; - - var s = series[i], - axisx = s.xaxis, - axisy = s.yaxis, - points = s.datapoints.points, - mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster - my = axisy.c2p(mouseY), - maxx = maxDistance / axisx.scale, - maxy = maxDistance / axisy.scale; - - ps = s.datapoints.pointsize; - // with inverse transforms, we can't use the maxx/maxy - // optimization, sadly - if (axisx.options.inverseTransform) - maxx = Number.MAX_VALUE; - if (axisy.options.inverseTransform) - maxy = Number.MAX_VALUE; - - if (s.lines.show || s.points.show) { - for (j = 0; j < points.length; j += ps) { - var x = points[j], y = points[j + 1]; - if (x == null) - continue; - - // For points and lines, the cursor must be within a - // certain distance to the data point - if (x - mx > maxx || x - mx < -maxx || - y - my > maxy || y - my < -maxy) - continue; - - // We have to calculate distances in pixels, not in - // data units, because the scales of the axes may be different - var dx = Math.abs(axisx.p2c(x) - mouseX), - dy = Math.abs(axisy.p2c(y) - mouseY), - dist = dx * dx + dy * dy; // we save the sqrt - - // use <= to ensure last point takes precedence - // (last generally means on top of) - if (dist < smallestDistance) { - smallestDistance = dist; - item = [i, j / ps]; - } - } - } - - if (s.bars.show && !item) { // no other point can be nearby - - var barLeft, barRight; - - switch (s.bars.align) { - case "left": - barLeft = 0; - break; - case "right": - barLeft = -s.bars.barWidth; - break; - default: - barLeft = -s.bars.barWidth / 2; - } - - barRight = barLeft + s.bars.barWidth; - - for (j = 0; j < points.length; j += ps) { - var x = points[j], y = points[j + 1], b = points[j + 2]; - if (x == null) - continue; - - // for a bar graph, the cursor must be inside the bar - if (series[i].bars.horizontal ? - (mx <= Math.max(b, x) && mx >= Math.min(b, x) && - my >= y + barLeft && my <= y + barRight) : - (mx >= x + barLeft && mx <= x + barRight && - my >= Math.min(b, y) && my <= Math.max(b, y))) - item = [i, j / ps]; - } - } - } - - if (item) { - i = item[0]; - j = item[1]; - ps = series[i].datapoints.pointsize; - - return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps), - dataIndex: j, - series: series[i], - seriesIndex: i }; - } - - return null; - } - - function onMouseMove(e) { - if (options.grid.hoverable) - triggerClickHoverEvent("plothover", e, - function (s) { return s["hoverable"] != false; }); - } - - function onMouseLeave(e) { - if (options.grid.hoverable) - triggerClickHoverEvent("plothover", e, - function (s) { return false; }); - } - - function onClick(e) { - if (plot.isSelecting) { - return; - } - - triggerClickHoverEvent("plotclick", e, function (s) { return s["clickable"] != false; }); - } - - // trigger click or hover event (they send the same parameters - // so we share their code) - function triggerClickHoverEvent(eventname, event, seriesFilter) { - var offset = eventHolder.offset(), - canvasX = event.pageX - offset.left - plotOffset.left, - canvasY = event.pageY - offset.top - plotOffset.top, - pos = canvasToAxisCoords({ left: canvasX, top: canvasY }); - - pos.pageX = event.pageX; - pos.pageY = event.pageY; - - // Add ctrlKey and metaKey to event - pos.ctrlKey = event.ctrlKey; - pos.metaKey = event.metaKey; - - var item = findNearbyItem(canvasX, canvasY, seriesFilter); - - if (item) { - // fill in mouse pos for any listeners out there - item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left, 10); - item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top, 10); - } - - if (options.grid.autoHighlight) { - // clear auto-highlights - for (var i = 0; i < highlights.length; ++i) { - var h = highlights[i]; - if (h.auto == eventname && - !(item && h.series == item.series && - h.point[0] == item.datapoint[0] && - h.point[1] == item.datapoint[1])) - unhighlight(h.series, h.point); - } - - if (item) - highlight(item.series, item.datapoint, eventname); - } - - placeholder.trigger(eventname, [ pos, item ]); - } - - function triggerRedrawOverlay() { - var t = options.interaction.redrawOverlayInterval; - if (t == -1) { // skip event queue - drawOverlay(); - return; - } - - if (!redrawTimeout) - redrawTimeout = setTimeout(drawOverlay, t); - } - - function drawOverlay() { - redrawTimeout = null; - - // draw highlights - octx.save(); - overlay.clear(); - octx.translate(plotOffset.left, plotOffset.top); - - var i, hi; - for (i = 0; i < highlights.length; ++i) { - hi = highlights[i]; - - if (hi.series.bars.show) - drawBarHighlight(hi.series, hi.point); - else - drawPointHighlight(hi.series, hi.point); - } - octx.restore(); - - executeHooks(hooks.drawOverlay, [octx]); - } - - function highlight(s, point, auto) { - if (typeof s == "number") - s = series[s]; - - if (typeof point == "number") { - var ps = s.datapoints.pointsize; - point = s.datapoints.points.slice(ps * point, ps * (point + 1)); - } - - var i = indexOfHighlight(s, point); - if (i == -1) { - highlights.push({ series: s, point: point, auto: auto }); - - triggerRedrawOverlay(); - } - else if (!auto) - highlights[i].auto = false; - } - - function unhighlight(s, point) { - if (s == null && point == null) { - highlights = []; - triggerRedrawOverlay(); - return; - } - - if (typeof s == "number") - s = series[s]; - - if (typeof point == "number") { - var ps = s.datapoints.pointsize; - point = s.datapoints.points.slice(ps * point, ps * (point + 1)); - } - - var i = indexOfHighlight(s, point); - if (i != -1) { - highlights.splice(i, 1); - - triggerRedrawOverlay(); - } - } - - function indexOfHighlight(s, p) { - for (var i = 0; i < highlights.length; ++i) { - var h = highlights[i]; - if (h.series == s && h.point[0] == p[0] - && h.point[1] == p[1]) - return i; - } - return -1; - } - - function drawPointHighlight(series, point) { - var x = point[0], y = point[1], - axisx = series.xaxis, axisy = series.yaxis, - highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(); - - if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) - return; - - var pointRadius = series.points.radius + series.points.lineWidth / 2; - octx.lineWidth = pointRadius; - octx.strokeStyle = highlightColor; - var radius = 1.5 * pointRadius; - x = axisx.p2c(x); - y = axisy.p2c(y); - - octx.beginPath(); - if (series.points.symbol == "circle") - octx.arc(x, y, radius, 0, 2 * Math.PI, false); - else - series.points.symbol(octx, x, y, radius, false); - octx.closePath(); - octx.stroke(); - } - - function drawBarHighlight(series, point) { - var highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(), - fillStyle = highlightColor, - barLeft; - - switch (series.bars.align) { - case "left": - barLeft = 0; - break; - case "right": - barLeft = -series.bars.barWidth; - break; - default: - barLeft = -series.bars.barWidth / 2; - } - - octx.lineWidth = series.bars.lineWidth; - octx.strokeStyle = highlightColor; - - drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth, - function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth); - } - - function getColorOrGradient(spec, bottom, top, defaultColor) { - if (typeof spec == "string") - return spec; - else { - // assume this is a gradient spec; IE currently only - // supports a simple vertical gradient properly, so that's - // what we support too - var gradient = ctx.createLinearGradient(0, top, 0, bottom); - - for (var i = 0, l = spec.colors.length; i < l; ++i) { - var c = spec.colors[i]; - if (typeof c != "string") { - var co = $.color.parse(defaultColor); - if (c.brightness != null) - co = co.scale('rgb', c.brightness); - if (c.opacity != null) - co.a *= c.opacity; - c = co.toString(); - } - gradient.addColorStop(i / (l - 1), c); - } - - return gradient; - } - } - } - - // Add the plot function to the top level of the jQuery object - - $.plot = function(placeholder, data, options) { - //var t0 = new Date(); - var plot = new Plot($(placeholder), data, options, $.plot.plugins); - //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime())); - return plot; - }; - - $.plot.version = "0.8.3"; - - $.plot.plugins = []; - - // Also add the plot function as a chainable property - - $.fn.plot = function(data, options) { - return this.each(function() { - $.plot(this, data, options); - }); - }; - - // round to nearby lower multiple of base - function floorInBase(n, base) { - return base * Math.floor(n / base); - } - -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.pie.js b/src/vendor/flot/jquery.flot.pie.js deleted file mode 100644 index 6553c8ea..00000000 --- a/src/vendor/flot/jquery.flot.pie.js +++ /dev/null @@ -1,817 +0,0 @@ -/* Flot plugin for rendering pie charts. - -Copyright (c) 2007-2013 IOLA and Ole Laursen. -Licensed under the MIT license. - -The plugin assumes that each series has a single data value, and that each -value is a positive integer or zero. Negative numbers don't make sense for a -pie chart, and have unpredictable results. The values do NOT need to be -passed in as percentages; the plugin will calculate the total and per-slice -percentages internally. - -* Created by Brian Medendorp - -* Updated with contributions from btburnett3, Anthony Aragues and Xavi Ivars - -The plugin supports these options: - - series: { - pie: { - show: true/false - radius: 0-1 for percentage of fullsize, or a specified pixel length, or 'auto' - innerRadius: 0-1 for percentage of fullsize or a specified pixel length, for creating a donut effect - startAngle: 0-2 factor of PI used for starting angle (in radians) i.e 3/2 starts at the top, 0 and 2 have the same result - tilt: 0-1 for percentage to tilt the pie, where 1 is no tilt, and 0 is completely flat (nothing will show) - offset: { - top: integer value to move the pie up or down - left: integer value to move the pie left or right, or 'auto' - }, - stroke: { - color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#FFF') - width: integer pixel width of the stroke - }, - label: { - show: true/false, or 'auto' - formatter: a user-defined function that modifies the text/style of the label text - radius: 0-1 for percentage of fullsize, or a specified pixel length - background: { - color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#000') - opacity: 0-1 - }, - threshold: 0-1 for the percentage value at which to hide labels (if they're too small) - }, - combine: { - threshold: 0-1 for the percentage value at which to combine slices (if they're too small) - color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#CCC'), if null, the plugin will automatically use the color of the first slice to be combined - label: any text value of what the combined slice should be labeled - } - highlight: { - opacity: 0-1 - } - } - } - -More detail and specific examples can be found in the included HTML file. - -*/ - -(function($) { - - // Maximum redraw attempts when fitting labels within the plot - - var REDRAW_ATTEMPTS = 10; - - // Factor by which to shrink the pie when fitting labels within the plot - - var REDRAW_SHRINK = 0.95; - - function init(plot) { - - var canvas = null, - target = null, - maxRadius = null, - centerLeft = null, - centerTop = null, - processed = false, - ctx = null; - - // interactive variables - - var highlights = []; - - // add hook to determine if pie plugin in enabled, and then perform necessary operations - - plot.hooks.processOptions.push(function(plot, options) { - if (options.series.pie.show) { - - options.grid.show = false; - - // set labels.show - - if (options.series.pie.label.show == "auto") { - if (options.legend.show) { - options.series.pie.label.show = false; - } else { - options.series.pie.label.show = true; - } - } - - // set radius - - if (options.series.pie.radius == "auto") { - if (options.series.pie.label.show) { - options.series.pie.radius = 3/4; - } else { - options.series.pie.radius = 1; - } - } - - // ensure sane tilt - - if (options.series.pie.tilt > 1) { - options.series.pie.tilt = 1; - } else if (options.series.pie.tilt < 0) { - options.series.pie.tilt = 0; - } - } - }); - - plot.hooks.bindEvents.push(function(plot, eventHolder) { - var options = plot.getOptions(); - if (options.series.pie.show) { - if (options.grid.hoverable) { - eventHolder.unbind("mousemove").mousemove(onMouseMove); - } - if (options.grid.clickable) { - eventHolder.unbind("click").click(onClick); - } - } - }); - - plot.hooks.processDatapoints.push(function(plot, series, data, datapoints) { - var options = plot.getOptions(); - if (options.series.pie.show) { - processDatapoints(plot, series, data, datapoints); - } - }); - - plot.hooks.drawOverlay.push(function(plot, octx) { - var options = plot.getOptions(); - if (options.series.pie.show) { - drawOverlay(plot, octx); - } - }); - - plot.hooks.draw.push(function(plot, newCtx) { - var options = plot.getOptions(); - if (options.series.pie.show) { - draw(plot, newCtx); - } - }); - - function processDatapoints(plot, series, datapoints) { - if (!processed) { - processed = true; - canvas = plot.getCanvas(); - target = $(canvas).parent(); - options = plot.getOptions(); - plot.setData(combine(plot.getData())); - } - } - - function combine(data) { - - var total = 0, - combined = 0, - numCombined = 0, - color = options.series.pie.combine.color, - newdata = []; - - // Fix up the raw data from Flot, ensuring the data is numeric - - for (var i = 0; i < data.length; ++i) { - - var value = data[i].data; - - // If the data is an array, we'll assume that it's a standard - // Flot x-y pair, and are concerned only with the second value. - - // Note how we use the original array, rather than creating a - // new one; this is more efficient and preserves any extra data - // that the user may have stored in higher indexes. - - if ($.isArray(value) && value.length == 1) { - value = value[0]; - } - - if ($.isArray(value)) { - // Equivalent to $.isNumeric() but compatible with jQuery < 1.7 - if (!isNaN(parseFloat(value[1])) && isFinite(value[1])) { - value[1] = +value[1]; - } else { - value[1] = 0; - } - } else if (!isNaN(parseFloat(value)) && isFinite(value)) { - value = [1, +value]; - } else { - value = [1, 0]; - } - - data[i].data = [value]; - } - - // Sum up all the slices, so we can calculate percentages for each - - for (var i = 0; i < data.length; ++i) { - total += data[i].data[0][1]; - } - - // Count the number of slices with percentages below the combine - // threshold; if it turns out to be just one, we won't combine. - - for (var i = 0; i < data.length; ++i) { - var value = data[i].data[0][1]; - if (value / total <= options.series.pie.combine.threshold) { - combined += value; - numCombined++; - if (!color) { - color = data[i].color; - } - } - } - - for (var i = 0; i < data.length; ++i) { - var value = data[i].data[0][1]; - if (numCombined < 2 || value / total > options.series.pie.combine.threshold) { - newdata.push({ - data: [[1, value]], - color: data[i].color, - label: data[i].label, - angle: value * Math.PI * 2 / total, - percent: value / (total / 100) - }); - } - } - - if (numCombined > 1) { - newdata.push({ - data: [[1, combined]], - color: color, - label: options.series.pie.combine.label, - angle: combined * Math.PI * 2 / total, - percent: combined / (total / 100) - }); - } - - return newdata; - } - - function draw(plot, newCtx) { - - if (!target) { - return; // if no series were passed - } - - var canvasWidth = plot.getPlaceholder().width(), - canvasHeight = plot.getPlaceholder().height(), - legendWidth = target.children().filter(".legend").children().width() || 0; - - ctx = newCtx; - - // WARNING: HACK! REWRITE THIS CODE AS SOON AS POSSIBLE! - - // When combining smaller slices into an 'other' slice, we need to - // add a new series. Since Flot gives plugins no way to modify the - // list of series, the pie plugin uses a hack where the first call - // to processDatapoints results in a call to setData with the new - // list of series, then subsequent processDatapoints do nothing. - - // The plugin-global 'processed' flag is used to control this hack; - // it starts out false, and is set to true after the first call to - // processDatapoints. - - // Unfortunately this turns future setData calls into no-ops; they - // call processDatapoints, the flag is true, and nothing happens. - - // To fix this we'll set the flag back to false here in draw, when - // all series have been processed, so the next sequence of calls to - // processDatapoints once again starts out with a slice-combine. - // This is really a hack; in 0.9 we need to give plugins a proper - // way to modify series before any processing begins. - - processed = false; - - // calculate maximum radius and center point - - maxRadius = Math.min(canvasWidth, canvasHeight / options.series.pie.tilt) / 2; - centerTop = canvasHeight / 2 + options.series.pie.offset.top; - centerLeft = canvasWidth / 2; - - if (options.series.pie.offset.left == "auto") { - if (options.legend.position.match("w")) { - centerLeft += legendWidth / 2; - } else { - centerLeft -= legendWidth / 2; - } - } else { - centerLeft += options.series.pie.offset.left; - } - - if (centerLeft < maxRadius) { - centerLeft = maxRadius; - } else if (centerLeft > canvasWidth - maxRadius) { - centerLeft = canvasWidth - maxRadius; - } - - var slices = plot.getData(), - attempts = 0; - - // Keep shrinking the pie's radius until drawPie returns true, - // indicating that all the labels fit, or we try too many times. - - do { - if (attempts > 0) { - maxRadius *= REDRAW_SHRINK; - } - attempts += 1; - clear(); - if (options.series.pie.tilt <= 0.8) { - drawShadow(); - } - } while (!drawPie() && attempts < REDRAW_ATTEMPTS) - - if (attempts >= REDRAW_ATTEMPTS) { - clear(); - target.prepend("
Could not draw pie with labels contained inside canvas
"); - } - - if (plot.setSeries && plot.insertLegend) { - plot.setSeries(slices); - plot.insertLegend(); - } - - // we're actually done at this point, just defining internal functions at this point - - function clear() { - ctx.clearRect(0, 0, canvasWidth, canvasHeight); - target.children().filter(".pieLabel, .pieLabelBackground").remove(); - } - - function drawShadow() { - - var shadowLeft = options.series.pie.shadow.left; - var shadowTop = options.series.pie.shadow.top; - var edge = 10; - var alpha = options.series.pie.shadow.alpha; - var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; - - if (radius >= canvasWidth / 2 - shadowLeft || radius * options.series.pie.tilt >= canvasHeight / 2 - shadowTop || radius <= edge) { - return; // shadow would be outside canvas, so don't draw it - } - - ctx.save(); - ctx.translate(shadowLeft,shadowTop); - ctx.globalAlpha = alpha; - ctx.fillStyle = "#000"; - - // center and rotate to starting position - - ctx.translate(centerLeft,centerTop); - ctx.scale(1, options.series.pie.tilt); - - //radius -= edge; - - for (var i = 1; i <= edge; i++) { - ctx.beginPath(); - ctx.arc(0, 0, radius, 0, Math.PI * 2, false); - ctx.fill(); - radius -= i; - } - - ctx.restore(); - } - - function drawPie() { - - var startAngle = Math.PI * options.series.pie.startAngle; - var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; - - // center and rotate to starting position - - ctx.save(); - ctx.translate(centerLeft,centerTop); - ctx.scale(1, options.series.pie.tilt); - //ctx.rotate(startAngle); // start at top; -- This doesn't work properly in Opera - - // draw slices - - ctx.save(); - var currentAngle = startAngle; - for (var i = 0; i < slices.length; ++i) { - slices[i].startAngle = currentAngle; - drawSlice(slices[i].angle, slices[i].color, true); - } - ctx.restore(); - - // draw slice outlines - - if (options.series.pie.stroke.width > 0) { - ctx.save(); - ctx.lineWidth = options.series.pie.stroke.width; - currentAngle = startAngle; - for (var i = 0; i < slices.length; ++i) { - drawSlice(slices[i].angle, options.series.pie.stroke.color, false); - } - ctx.restore(); - } - - // draw donut hole - - drawDonutHole(ctx); - - ctx.restore(); - - // Draw the labels, returning true if they fit within the plot - - if (options.series.pie.label.show) { - return drawLabels(); - } else return true; - - function drawSlice(angle, color, fill) { - - if (angle <= 0 || isNaN(angle)) { - return; - } - - if (fill) { - ctx.fillStyle = color; - } else { - ctx.strokeStyle = color; - ctx.lineJoin = "round"; - } - - ctx.beginPath(); - if (Math.abs(angle - Math.PI * 2) > 0.000000001) { - ctx.moveTo(0, 0); // Center of the pie - } - - //ctx.arc(0, 0, radius, 0, angle, false); // This doesn't work properly in Opera - ctx.arc(0, 0, radius,currentAngle, currentAngle + angle / 2, false); - ctx.arc(0, 0, radius,currentAngle + angle / 2, currentAngle + angle, false); - ctx.closePath(); - //ctx.rotate(angle); // This doesn't work properly in Opera - currentAngle += angle; - - if (fill) { - ctx.fill(); - } else { - ctx.stroke(); - } - } - - function drawLabels() { - - var currentAngle = startAngle; - var radius = options.series.pie.label.radius > 1 ? options.series.pie.label.radius : maxRadius * options.series.pie.label.radius; - - for (var i = 0; i < slices.length; ++i) { - if (slices[i].percent >= options.series.pie.label.threshold * 100) { - if (!drawLabel(slices[i], currentAngle, i)) { - return false; - } - } - currentAngle += slices[i].angle; - } - - return true; - - function drawLabel(slice, startAngle, index) { - - if (slice.data[0][1] == 0) { - return true; - } - - // format label text - - var lf = options.legend.labelFormatter, text, plf = options.series.pie.label.formatter; - - if (lf) { - text = lf(slice.label, slice); - } else { - text = slice.label; - } - - if (plf) { - text = plf(text, slice); - } - - var halfAngle = ((startAngle + slice.angle) + startAngle) / 2; - var x = centerLeft + Math.round(Math.cos(halfAngle) * radius); - var y = centerTop + Math.round(Math.sin(halfAngle) * radius) * options.series.pie.tilt; - - var html = "" + text + ""; - target.append(html); - - var label = target.children("#pieLabel" + index); - var labelTop = (y - label.height() / 2); - var labelLeft = (x - label.width() / 2); - - label.css("top", labelTop); - label.css("left", labelLeft); - - // check to make sure that the label is not outside the canvas - - if (0 - labelTop > 0 || 0 - labelLeft > 0 || canvasHeight - (labelTop + label.height()) < 0 || canvasWidth - (labelLeft + label.width()) < 0) { - return false; - } - - if (options.series.pie.label.background.opacity != 0) { - - // put in the transparent background separately to avoid blended labels and label boxes - - var c = options.series.pie.label.background.color; - - if (c == null) { - c = slice.color; - } - - var pos = "top:" + labelTop + "px;left:" + labelLeft + "px;"; - $("
") - .css("opacity", options.series.pie.label.background.opacity) - .insertBefore(label); - } - - return true; - } // end individual label function - } // end drawLabels function - } // end drawPie function - } // end draw function - - // Placed here because it needs to be accessed from multiple locations - - function drawDonutHole(layer) { - if (options.series.pie.innerRadius > 0) { - - // subtract the center - - layer.save(); - var innerRadius = options.series.pie.innerRadius > 1 ? options.series.pie.innerRadius : maxRadius * options.series.pie.innerRadius; - layer.globalCompositeOperation = "destination-out"; // this does not work with excanvas, but it will fall back to using the stroke color - layer.beginPath(); - layer.fillStyle = options.series.pie.stroke.color; - layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); - layer.fill(); - layer.closePath(); - layer.restore(); - - // add inner stroke - - layer.save(); - layer.beginPath(); - layer.strokeStyle = options.series.pie.stroke.color; - layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); - layer.stroke(); - layer.closePath(); - layer.restore(); - - // TODO: add extra shadow inside hole (with a mask) if the pie is tilted. - } - } - - //-- Additional Interactive related functions -- - - function isPointInPoly(poly, pt) { - for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i) - ((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1]< poly[i][1])) - && (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0]) - && (c = !c); - return c; - } - - function findNearbySlice(mouseX, mouseY) { - - var slices = plot.getData(), - options = plot.getOptions(), - radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius, - x, y; - - for (var i = 0; i < slices.length; ++i) { - - var s = slices[i]; - - if (s.pie.show) { - - ctx.save(); - ctx.beginPath(); - ctx.moveTo(0, 0); // Center of the pie - //ctx.scale(1, options.series.pie.tilt); // this actually seems to break everything when here. - ctx.arc(0, 0, radius, s.startAngle, s.startAngle + s.angle / 2, false); - ctx.arc(0, 0, radius, s.startAngle + s.angle / 2, s.startAngle + s.angle, false); - ctx.closePath(); - x = mouseX - centerLeft; - y = mouseY - centerTop; - - if (ctx.isPointInPath) { - if (ctx.isPointInPath(mouseX - centerLeft, mouseY - centerTop)) { - ctx.restore(); - return { - datapoint: [s.percent, s.data], - dataIndex: 0, - series: s, - seriesIndex: i - }; - } - } else { - - // excanvas for IE doesn;t support isPointInPath, this is a workaround. - - var p1X = radius * Math.cos(s.startAngle), - p1Y = radius * Math.sin(s.startAngle), - p2X = radius * Math.cos(s.startAngle + s.angle / 4), - p2Y = radius * Math.sin(s.startAngle + s.angle / 4), - p3X = radius * Math.cos(s.startAngle + s.angle / 2), - p3Y = radius * Math.sin(s.startAngle + s.angle / 2), - p4X = radius * Math.cos(s.startAngle + s.angle / 1.5), - p4Y = radius * Math.sin(s.startAngle + s.angle / 1.5), - p5X = radius * Math.cos(s.startAngle + s.angle), - p5Y = radius * Math.sin(s.startAngle + s.angle), - arrPoly = [[0, 0], [p1X, p1Y], [p2X, p2Y], [p3X, p3Y], [p4X, p4Y], [p5X, p5Y]], - arrPoint = [x, y]; - - // TODO: perhaps do some mathmatical trickery here with the Y-coordinate to compensate for pie tilt? - - if (isPointInPoly(arrPoly, arrPoint)) { - ctx.restore(); - return { - datapoint: [s.percent, s.data], - dataIndex: 0, - series: s, - seriesIndex: i - }; - } - } - - ctx.restore(); - } - } - - return null; - } - - function onMouseMove(e) { - triggerClickHoverEvent("plothover", e); - } - - function onClick(e) { - triggerClickHoverEvent("plotclick", e); - } - - // trigger click or hover event (they send the same parameters so we share their code) - - function triggerClickHoverEvent(eventname, e) { - - var offset = plot.offset(); - var canvasX = parseInt(e.pageX - offset.left); - var canvasY = parseInt(e.pageY - offset.top); - var item = findNearbySlice(canvasX, canvasY); - - if (options.grid.autoHighlight) { - - // clear auto-highlights - - for (var i = 0; i < highlights.length; ++i) { - var h = highlights[i]; - if (h.auto == eventname && !(item && h.series == item.series)) { - unhighlight(h.series); - } - } - } - - // highlight the slice - - if (item) { - highlight(item.series, eventname); - } - - // trigger any hover bind events - - var pos = { pageX: e.pageX, pageY: e.pageY }; - target.trigger(eventname, [pos, item]); - } - - function highlight(s, auto) { - //if (typeof s == "number") { - // s = series[s]; - //} - - var i = indexOfHighlight(s); - - if (i == -1) { - highlights.push({ series: s, auto: auto }); - plot.triggerRedrawOverlay(); - } else if (!auto) { - highlights[i].auto = false; - } - } - - function unhighlight(s) { - if (s == null) { - highlights = []; - plot.triggerRedrawOverlay(); - } - - //if (typeof s == "number") { - // s = series[s]; - //} - - var i = indexOfHighlight(s); - - if (i != -1) { - highlights.splice(i, 1); - plot.triggerRedrawOverlay(); - } - } - - function indexOfHighlight(s) { - for (var i = 0; i < highlights.length; ++i) { - var h = highlights[i]; - if (h.series == s) - return i; - } - return -1; - } - - function drawOverlay(plot, octx) { - - var options = plot.getOptions(); - - var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; - - octx.save(); - octx.translate(centerLeft, centerTop); - octx.scale(1, options.series.pie.tilt); - - for (var i = 0; i < highlights.length; ++i) { - drawHighlight(highlights[i].series); - } - - drawDonutHole(octx); - - octx.restore(); - - function drawHighlight(series) { - - if (series.angle <= 0 || isNaN(series.angle)) { - return; - } - - //octx.fillStyle = parseColor(options.series.pie.highlight.color).scale(null, null, null, options.series.pie.highlight.opacity).toString(); - octx.fillStyle = "rgba(255, 255, 255, " + options.series.pie.highlight.opacity + ")"; // this is temporary until we have access to parseColor - octx.beginPath(); - if (Math.abs(series.angle - Math.PI * 2) > 0.000000001) { - octx.moveTo(0, 0); // Center of the pie - } - octx.arc(0, 0, radius, series.startAngle, series.startAngle + series.angle / 2, false); - octx.arc(0, 0, radius, series.startAngle + series.angle / 2, series.startAngle + series.angle, false); - octx.closePath(); - octx.fill(); - } - } - } // end init (plugin body) - - // define pie specific options and their default values - - var options = { - series: { - pie: { - show: false, - radius: "auto", // actual radius of the visible pie (based on full calculated radius if <=1, or hard pixel value) - innerRadius: 0, /* for donut */ - startAngle: 3/2, - tilt: 1, - shadow: { - left: 5, // shadow left offset - top: 15, // shadow top offset - alpha: 0.02 // shadow alpha - }, - offset: { - top: 0, - left: "auto" - }, - stroke: { - color: "#fff", - width: 1 - }, - label: { - show: "auto", - formatter: function(label, slice) { - return "
" + label + "
" + Math.round(slice.percent) + "%
"; - }, // formatter function - radius: 1, // radius at which to place the labels (based on full calculated radius if <=1, or hard pixel value) - background: { - color: null, - opacity: 0 - }, - threshold: 0 // percentage at which to hide the label (i.e. the slice is too narrow) - }, - combine: { - threshold: -1, // percentage at which to combine little slices into one larger slice - color: null, // color to give the new slice (auto-generated if null) - label: "Other" // label to give the new slice - }, - highlight: { - //color: "#fff", // will add this functionality once parseColor is available - opacity: 0.5 - } - } - } - }; - - $.plot.plugins.push({ - init: init, - options: options, - name: "pie", - version: "1.1" - }); - -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.selection.js b/src/vendor/flot/jquery.flot.selection.js deleted file mode 100644 index 5ee80ea4..00000000 --- a/src/vendor/flot/jquery.flot.selection.js +++ /dev/null @@ -1,380 +0,0 @@ -/* Flot plugin for selecting regions of a plot. - -Copyright (c) 2007-2013 IOLA and Ole Laursen. -Licensed under the MIT license. - -The plugin supports these options: - -selection: { - mode: null or "x" or "y" or "xy", - color: color, - shape: "round" or "miter" or "bevel", - minSize: number of pixels -} - -Selection support is enabled by setting the mode to one of "x", "y" or "xy". -In "x" mode, the user will only be able to specify the x range, similarly for -"y" mode. For "xy", the selection becomes a rectangle where both ranges can be -specified. "color" is color of the selection (if you need to change the color -later on, you can get to it with plot.getOptions().selection.color). "shape" -is the shape of the corners of the selection. - -"minSize" is the minimum size a selection can be in pixels. This value can -be customized to determine the smallest size a selection can be and still -have the selection rectangle be displayed. When customizing this value, the -fact that it refers to pixels, not axis units must be taken into account. -Thus, for example, if there is a bar graph in time mode with BarWidth set to 1 -minute, setting "minSize" to 1 will not make the minimum selection size 1 -minute, but rather 1 pixel. Note also that setting "minSize" to 0 will prevent -"plotunselected" events from being fired when the user clicks the mouse without -dragging. - -When selection support is enabled, a "plotselected" event will be emitted on -the DOM element you passed into the plot function. The event handler gets a -parameter with the ranges selected on the axes, like this: - - placeholder.bind( "plotselected", function( event, ranges ) { - alert("You selected " + ranges.xaxis.from + " to " + ranges.xaxis.to) - // similar for yaxis - with multiple axes, the extra ones are in - // x2axis, x3axis, ... - }); - -The "plotselected" event is only fired when the user has finished making the -selection. A "plotselecting" event is fired during the process with the same -parameters as the "plotselected" event, in case you want to know what's -happening while it's happening, - -A "plotunselected" event with no arguments is emitted when the user clicks the -mouse to remove the selection. As stated above, setting "minSize" to 0 will -destroy this behavior. - -The plugin allso adds the following methods to the plot object: - -- setSelection( ranges, preventEvent ) - - Set the selection rectangle. The passed in ranges is on the same form as - returned in the "plotselected" event. If the selection mode is "x", you - should put in either an xaxis range, if the mode is "y" you need to put in - an yaxis range and both xaxis and yaxis if the selection mode is "xy", like - this: - - setSelection({ xaxis: { from: 0, to: 10 }, yaxis: { from: 40, to: 60 } }); - - setSelection will trigger the "plotselected" event when called. If you don't - want that to happen, e.g. if you're inside a "plotselected" handler, pass - true as the second parameter. If you are using multiple axes, you can - specify the ranges on any of those, e.g. as x2axis/x3axis/... instead of - xaxis, the plugin picks the first one it sees. - -- clearSelection( preventEvent ) - - Clear the selection rectangle. Pass in true to avoid getting a - "plotunselected" event. - -- getSelection() - - Returns the current selection in the same format as the "plotselected" - event. If there's currently no selection, the function returns null. - -*/ - -(function ($) { - function init(plot) { - var selection = { - first: { x: -1, y: -1}, second: { x: -1, y: -1}, - show: false, - active: false - }; - - // FIXME: The drag handling implemented here should be - // abstracted out, there's some similar code from a library in - // the navigation plugin, this should be massaged a bit to fit - // the Flot cases here better and reused. Doing this would - // make this plugin much slimmer. - var savedhandlers = {}; - - var mouseUpHandler = null; - - function onMouseMove(e) { - if (selection.active) { - updateSelection(e); - - plot.getPlaceholder().trigger("plotselecting", [ getSelection() ]); - } - } - - function onMouseDown(e) { - if (e.which != 1) // only accept left-click - return; - - // cancel out any text selections - document.body.focus(); - - // prevent text selection and drag in old-school browsers - if (document.onselectstart !== undefined && savedhandlers.onselectstart == null) { - savedhandlers.onselectstart = document.onselectstart; - document.onselectstart = function () { return false; }; - } - if (document.ondrag !== undefined && savedhandlers.ondrag == null) { - savedhandlers.ondrag = document.ondrag; - document.ondrag = function () { return false; }; - } - - setSelectionPos(selection.first, e); - - selection.active = true; - - // this is a bit silly, but we have to use a closure to be - // able to whack the same handler again - mouseUpHandler = function (e) { onMouseUp(e); }; - - $(document).one("mouseup", mouseUpHandler); - } - - function onMouseUp(e) { - mouseUpHandler = null; - - // revert drag stuff for old-school browsers - if (document.onselectstart !== undefined) - document.onselectstart = savedhandlers.onselectstart; - if (document.ondrag !== undefined) - document.ondrag = savedhandlers.ondrag; - - // no more dragging - selection.active = false; - updateSelection(e); - - if (selectionIsSane()) - triggerSelectedEvent(e); - else { - // this counts as a clear - plot.getPlaceholder().trigger("plotunselected", [ ]); - plot.getPlaceholder().trigger("plotselecting", [ null ]); - } - - setTimeout(function() { - plot.isSelecting = false; - }, 10); - - return false; - } - - function getSelection() { - if (!selectionIsSane()) - return null; - - if (!selection.show) return null; - - var r = {}, c1 = selection.first, c2 = selection.second; - var axes = plot.getAxes(); - // look if no axis is used - var noAxisInUse = true; - $.each(axes, function (name, axis) { - if (axis.used) { - anyUsed = false; - } - }) - - $.each(axes, function (name, axis) { - if (axis.used || noAxisInUse) { - var p1 = axis.c2p(c1[axis.direction]), p2 = axis.c2p(c2[axis.direction]); - r[name] = { from: Math.min(p1, p2), to: Math.max(p1, p2) }; - } - }); - return r; - } - - function triggerSelectedEvent(event) { - var r = getSelection(); - - // Add ctrlKey and metaKey to event - r.ctrlKey = event.ctrlKey; - r.metaKey = event.metaKey; - - plot.getPlaceholder().trigger("plotselected", [ r ]); - - // backwards-compat stuff, to be removed in future - if (r.xaxis && r.yaxis) - plot.getPlaceholder().trigger("selected", [ { x1: r.xaxis.from, y1: r.yaxis.from, x2: r.xaxis.to, y2: r.yaxis.to } ]); - } - - function clamp(min, value, max) { - return value < min ? min: (value > max ? max: value); - } - - function setSelectionPos(pos, e) { - var o = plot.getOptions(); - var offset = plot.getPlaceholder().offset(); - var plotOffset = plot.getPlotOffset(); - pos.x = clamp(0, e.pageX - offset.left - plotOffset.left, plot.width()); - pos.y = clamp(0, e.pageY - offset.top - plotOffset.top, plot.height()); - - if (o.selection.mode == "y") - pos.x = pos == selection.first ? 0 : plot.width(); - - if (o.selection.mode == "x") - pos.y = pos == selection.first ? 0 : plot.height(); - } - - function updateSelection(pos) { - if (pos.pageX == null) - return; - - setSelectionPos(selection.second, pos); - if (selectionIsSane()) { - plot.isSelecting = true; - selection.show = true; - plot.triggerRedrawOverlay(); - } - else - clearSelection(true); - } - - function clearSelection(preventEvent) { - if (selection.show) { - selection.show = false; - plot.triggerRedrawOverlay(); - if (!preventEvent) - plot.getPlaceholder().trigger("plotunselected", [ ]); - } - } - - // function taken from markings support in Flot - function extractRange(ranges, coord) { - var axis, from, to, key, axes = plot.getAxes(); - - for (var k in axes) { - axis = axes[k]; - if (axis.direction == coord) { - key = coord + axis.n + "axis"; - if (!ranges[key] && axis.n == 1) - key = coord + "axis"; // support x1axis as xaxis - if (ranges[key]) { - from = ranges[key].from; - to = ranges[key].to; - break; - } - } - } - - // backwards-compat stuff - to be removed in future - if (!ranges[key]) { - axis = coord == "x" ? plot.getXAxes()[0] : plot.getYAxes()[0]; - from = ranges[coord + "1"]; - to = ranges[coord + "2"]; - } - - // auto-reverse as an added bonus - if (from != null && to != null && from > to) { - var tmp = from; - from = to; - to = tmp; - } - - return { from: from, to: to, axis: axis }; - } - - function setSelection(ranges, preventEvent) { - var axis, range, o = plot.getOptions(); - - if (o.selection.mode == "y") { - selection.first.x = 0; - selection.second.x = plot.width(); - } - else { - range = extractRange(ranges, "x"); - - selection.first.x = range.axis.p2c(range.from); - selection.second.x = range.axis.p2c(range.to); - } - - if (o.selection.mode == "x") { - selection.first.y = 0; - selection.second.y = plot.height(); - } - else { - range = extractRange(ranges, "y"); - - selection.first.y = range.axis.p2c(range.from); - selection.second.y = range.axis.p2c(range.to); - } - - selection.show = true; - plot.triggerRedrawOverlay(); - if (!preventEvent && selectionIsSane()) - triggerSelectedEvent(); - } - - function selectionIsSane() { - var minSize = plot.getOptions().selection.minSize; - return Math.abs(selection.second.x - selection.first.x) >= minSize && - Math.abs(selection.second.y - selection.first.y) >= minSize; - } - - plot.clearSelection = clearSelection; - plot.setSelection = setSelection; - plot.getSelection = getSelection; - - plot.hooks.bindEvents.push(function(plot, eventHolder) { - var o = plot.getOptions(); - if (o.selection.mode != null) { - eventHolder.mousemove(onMouseMove); - eventHolder.mousedown(onMouseDown); - } - }); - - - plot.hooks.drawOverlay.push(function (plot, ctx) { - // draw selection - if (selection.show && selectionIsSane()) { - var plotOffset = plot.getPlotOffset(); - var o = plot.getOptions(); - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - var c = $.color.parse(o.selection.color); - - ctx.strokeStyle = c.scale('a', o.selection.strokeAlpha).toString(); - ctx.lineWidth = 1; - ctx.lineJoin = o.selection.shape; - ctx.fillStyle = c.scale('a', o.selection.fillAlpha).toString(); - - var x = Math.min(selection.first.x, selection.second.x) + 0.5, - y = Math.min(selection.first.y, selection.second.y) + 0.5, - w = Math.abs(selection.second.x - selection.first.x) - 1, - h = Math.abs(selection.second.y - selection.first.y) - 1; - - ctx.fillRect(x, y, w, h); - ctx.strokeRect(x, y, w, h); - - ctx.restore(); - } - }); - - plot.hooks.shutdown.push(function (plot, eventHolder) { - eventHolder.unbind("mousemove", onMouseMove); - eventHolder.unbind("mousedown", onMouseDown); - - if (mouseUpHandler) - $(document).unbind("mouseup", mouseUpHandler); - }); - - } - - $.plot.plugins.push({ - init: init, - options: { - selection: { - mode: null, // one of null, "x", "y" or "xy" - color: "#e8cfac", - shape: "round", // one of "round", "miter", or "bevel" - minSize: 5, // minimum number of pixels - strokeAlpha: 0.8, - fillAlpha: 0.4, - } - }, - name: 'selection', - version: '1.1' - }); -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.stack.js b/src/vendor/flot/jquery.flot.stack.js deleted file mode 100644 index 267d4e51..00000000 --- a/src/vendor/flot/jquery.flot.stack.js +++ /dev/null @@ -1,190 +0,0 @@ -/* Flot plugin for stacking data sets rather than overlyaing them. - -Copyright (c) 2007-2014 IOLA and Ole Laursen. -Licensed under the MIT license. - -The plugin assumes the data is sorted on x (or y if stacking horizontally). -For line charts, it is assumed that if a line has an undefined gap (from a -null point), then the line above it should have the same gap - insert zeros -instead of "null" if you want another behaviour. This also holds for the start -and end of the chart. Note that stacking a mix of positive and negative values -in most instances doesn't make sense (so it looks weird). - -Two or more series are stacked when their "stack" attribute is set to the same -key (which can be any number or string or just "true"). To specify the default -stack, you can set the stack option like this: - - series: { - stack: null/false, true, or a key (number/string) - } - -You can also specify it for a single series, like this: - - $.plot( $("#placeholder"), [{ - data: [ ... ], - stack: true - }]) - -The stacking order is determined by the order of the data series in the array -(later series end up on top of the previous). - -Internally, the plugin modifies the datapoints in each series, adding an -offset to the y value. For line series, extra data points are inserted through -interpolation. If there's a second y value, it's also adjusted (e.g for bar -charts or filled areas). - -*/ - -(function ($) { - var options = { - series: { stack: null } // or number/string - }; - - function init(plot) { - function findMatchingSeries(s, allseries) { - var res = null; - for (var i = 0; i < allseries.length; ++i) { - if (s == allseries[i]) - break; - - if (allseries[i].stack == s.stack) - res = allseries[i]; - } - - return res; - } - - function stackData(plot, s, datapoints) { - if (s.stack == null || s.stack === false) - return; - - var other = findMatchingSeries(s, plot.getData()); - if (!other) - return; - - var ps = datapoints.pointsize, - points = datapoints.points, - otherps = other.datapoints.pointsize, - otherpoints = other.datapoints.points, - newpoints = [], - px, py, intery, qx, qy, bottom, - withlines = s.lines.show, - horizontal = s.bars.horizontal, - withbottom = ps > 2 && (horizontal ? datapoints.format[2].x : datapoints.format[2].y), - withsteps = withlines && s.lines.steps, - keyOffset = horizontal ? 1 : 0, - accumulateOffset = horizontal ? 0 : 1, - i = 0, j = 0, l, m; - - while (true) { - if (i >= points.length && j >= otherpoints.length) - break; - - l = newpoints.length; - - if (i < points.length && points[i] == null) { - // copy gaps - for (m = 0; m < ps; ++m) - newpoints.push(points[i + m]); - i += ps; - } - else if (i >= points.length) { - // take the remaining points from the previous series - for (m = 0; m < ps; ++m) - newpoints.push(otherpoints[j + m]); - if (withbottom) - newpoints[l + 2] = otherpoints[j + accumulateOffset]; - j += otherps; - } - else if (j >= otherpoints.length) { - // take the remaining points from the current series - for (m = 0; m < ps; ++m) - newpoints.push(points[i + m]); - i += ps; - } - else if (j < otherpoints.length && otherpoints[j] == null) { - // ignore point - j += otherps; - } - else { - // cases where we actually got two points - px = points[i + keyOffset]; - py = points[i + accumulateOffset]; - qx = otherpoints[j + keyOffset]; - qy = otherpoints[j + accumulateOffset]; - bottom = 0; - - if (px == qx) { - for (m = 0; m < ps; ++m) - newpoints.push(points[i + m]); - - newpoints[l + accumulateOffset] += qy; - bottom = qy; - - i += ps; - j += otherps; - } - else if (px > qx) { - // take the point from the previous series so that next series will correctly stack - if (i == 0) { - for (m = 0; m < ps; ++m) - newpoints.push(otherpoints[j + m]); - bottom = qy; - } - // we got past point below, might need to - // insert interpolated extra point - if (i > 0 && points[i - ps] != null) { - intery = py + (points[i - ps + accumulateOffset] - py) * (qx - px) / (points[i - ps + keyOffset] - px); - newpoints.push(qx); - newpoints.push(intery + qy); - for (m = 2; m < ps; ++m) - newpoints.push(points[i + m]); - bottom = qy; - } - - j += otherps; - } - else { // px < qx - for (m = 0; m < ps; ++m) - newpoints.push(points[i + m]); - - // we might be able to interpolate a point below, - // this can give us a better y - if (j > 0 && otherpoints[j - otherps] != null) - bottom = qy + (otherpoints[j - otherps + accumulateOffset] - qy) * (px - qx) / (otherpoints[j - otherps + keyOffset] - qx); - - newpoints[l + accumulateOffset] += bottom; - - i += ps; - } - - fromgap = false; - - if (l != newpoints.length && withbottom) - newpoints[l + 2] = bottom; - } - - // maintain the line steps invariant - if (withsteps && l != newpoints.length && l > 0 - && newpoints[l] != null - && newpoints[l] != newpoints[l - ps] - && newpoints[l + 1] != newpoints[l - ps + 1]) { - for (m = 0; m < ps; ++m) - newpoints[l + ps + m] = newpoints[l + m]; - newpoints[l + 1] = newpoints[l - ps + 1]; - } - } - - datapoints.points = newpoints; - } - - plot.hooks.processDatapoints.push(stackData); - } - - $.plot.plugins.push({ - init: init, - options: options, - name: 'stack', - version: '1.2' - }); -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.stackpercent.js b/src/vendor/flot/jquery.flot.stackpercent.js deleted file mode 100644 index 3280eef9..00000000 --- a/src/vendor/flot/jquery.flot.stackpercent.js +++ /dev/null @@ -1,126 +0,0 @@ -(function ($) { - var options = { - series: { - stackpercent: null - } // or number/string - }; - - function init(plot) { - - // will be built up dynamically as a hash from x-value, or y-value if horizontal - var stackBases = {}; - var processed = false; - var stackSums = {}; - - //set percentage for stacked chart - function processRawData(plot, series, data, datapoints) { - if (!processed) { - processed = true; - stackSums = getStackSums(plot.getData()); - } - if (series.stackpercent == true) { - var num = data.length; - series.percents = []; - var key_idx = 0; - var value_idx = 1; - if (series.bars && series.bars.horizontal && series.bars.horizontal === true) { - key_idx = 1; - value_idx = 0; - } - for (var j = 0; j < num; j++) { - var sum = stackSums[data[j][key_idx] + ""]; - if (sum > 0) { - series.percents.push(data[j][value_idx] * 100 / sum); - } else { - series.percents.push(0); - } - } - } - } - - //calculate summary - function getStackSums(_data) { - var data_len = _data.length; - var sums = {}; - if (data_len > 0) { - //caculate summary - for (var i = 0; i < data_len; i++) { - if (_data[i].stackpercent) { - var key_idx = 0; - var value_idx = 1; - if (_data[i].bars && _data[i].bars.horizontal && _data[i].bars.horizontal === true) { - key_idx = 1; - value_idx = 0; - } - var num = _data[i].data.length; - for (var j = 0; j < num; j++) { - var value = 0; - if (_data[i].data[j][1] != null) { - value = _data[i].data[j][value_idx]; - } - if (sums[_data[i].data[j][key_idx] + ""]) { - sums[_data[i].data[j][key_idx] + ""] += value; - } else { - sums[_data[i].data[j][key_idx] + ""] = value; - } - - } - } - } - } - return sums; - } - - function stackData(plot, s, datapoints) { - if (!s.stackpercent) return; - if (!processed) { - stackSums = getStackSums(plot.getData()); - } - var newPoints = []; - - - var key_idx = 0; - var value_idx = 1; - if (s.bars && s.bars.horizontal && s.bars.horizontal === true) { - key_idx = 1; - value_idx = 0; - } - - for (var i = 0; i < datapoints.points.length; i += 3) { - // note that the values need to be turned into absolute y-values. - // in other words, if you were to stack (x, y1), (x, y2), and (x, y3), - // (each from different series, which is where stackBases comes in), - // you'd want the new points to be (x, y1, 0), (x, y1+y2, y1), (x, y1+y2+y3, y1+y2) - // generally, (x, thisValue + (base up to this point), + (base up to this point)) - if (!stackBases[datapoints.points[i + key_idx]]) { - stackBases[datapoints.points[i + key_idx]] = 0; - } - newPoints[i + key_idx] = datapoints.points[i + key_idx]; - newPoints[i + value_idx] = datapoints.points[i + value_idx] + stackBases[datapoints.points[i + key_idx]]; - newPoints[i + 2] = stackBases[datapoints.points[i + key_idx]]; - stackBases[datapoints.points[i + key_idx]] += datapoints.points[i + value_idx]; - // change points to percentage values - // you may need to set yaxis:{ max = 100 } - if ( stackSums[newPoints[i+key_idx]+""] > 0 ){ - newPoints[i + value_idx] = newPoints[i + value_idx] * 100 / stackSums[newPoints[i + key_idx] + ""]; - newPoints[i + 2] = newPoints[i + 2] * 100 / stackSums[newPoints[i + key_idx] + ""]; - } else { - newPoints[i + value_idx] = 0; - newPoints[i + 2] = 0; - } - } - - datapoints.points = newPoints; - } - - plot.hooks.processRawData.push(processRawData); - plot.hooks.processDatapoints.push(stackData); - } - - $.plot.plugins.push({ - init: init, - options: options, - name: 'stackpercent', - version: '0.1' - }); -})(jQuery); diff --git a/src/vendor/flot/jquery.flot.time.js b/src/vendor/flot/jquery.flot.time.js deleted file mode 100644 index 8e510f19..00000000 --- a/src/vendor/flot/jquery.flot.time.js +++ /dev/null @@ -1,431 +0,0 @@ -/* Pretty handling of time axes. - -Copyright (c) 2007-2013 IOLA and Ole Laursen. -Licensed under the MIT license. - -Set axis.mode to "time" to enable. See the section "Time series data" in -API.txt for details. - -*/ - -(function($) { - - var options = { - xaxis: { - timezone: null, // "browser" for local to the client or timezone for timezone-js - timeformat: null, // format string to use - twelveHourClock: false, // 12 or 24 time in time mode - monthNames: null // list of names of months - } - }; - - // round to nearby lower multiple of base - - function floorInBase(n, base) { - return base * Math.floor(n / base); - } - - // Returns a string with the date d formatted according to fmt. - // A subset of the Open Group's strftime format is supported. - - function formatDate(d, fmt, monthNames, dayNames) { - - if (typeof d.strftime == "function") { - return d.strftime(fmt); - } - - var leftPad = function(n, pad) { - n = "" + n; - pad = "" + (pad == null ? "0" : pad); - return n.length == 1 ? pad + n : n; - }; - - var r = []; - var escape = false; - var hours = d.getHours(); - var isAM = hours < 12; - - if (monthNames == null) { - monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; - } - - if (dayNames == null) { - dayNames = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"]; - } - - var hours12; - - if (hours > 12) { - hours12 = hours - 12; - } else if (hours == 0) { - hours12 = 12; - } else { - hours12 = hours; - } - - for (var i = 0; i < fmt.length; ++i) { - - var c = fmt.charAt(i); - - if (escape) { - switch (c) { - case 'a': c = "" + dayNames[d.getDay()]; break; - case 'b': c = "" + monthNames[d.getMonth()]; break; - case 'd': c = leftPad(d.getDate(), ""); break; - case 'e': c = leftPad(d.getDate(), " "); break; - case 'h': // For back-compat with 0.7; remove in 1.0 - case 'H': c = leftPad(hours); break; - case 'I': c = leftPad(hours12); break; - case 'l': c = leftPad(hours12, " "); break; - case 'm': c = leftPad(d.getMonth() + 1, ""); break; - case 'M': c = leftPad(d.getMinutes()); break; - // quarters not in Open Group's strftime specification - case 'q': - c = "" + (Math.floor(d.getMonth() / 3) + 1); break; - case 'S': c = leftPad(d.getSeconds()); break; - case 'y': c = leftPad(d.getFullYear() % 100); break; - case 'Y': c = "" + d.getFullYear(); break; - case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break; - case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break; - case 'w': c = "" + d.getDay(); break; - } - r.push(c); - escape = false; - } else { - if (c == "%") { - escape = true; - } else { - r.push(c); - } - } - } - - return r.join(""); - } - - // To have a consistent view of time-based data independent of which time - // zone the client happens to be in we need a date-like object independent - // of time zones. This is done through a wrapper that only calls the UTC - // versions of the accessor methods. - - function makeUtcWrapper(d) { - - function addProxyMethod(sourceObj, sourceMethod, targetObj, targetMethod) { - sourceObj[sourceMethod] = function() { - return targetObj[targetMethod].apply(targetObj, arguments); - }; - }; - - var utc = { - date: d - }; - - // support strftime, if found - - if (d.strftime != undefined) { - addProxyMethod(utc, "strftime", d, "strftime"); - } - - addProxyMethod(utc, "getTime", d, "getTime"); - addProxyMethod(utc, "setTime", d, "setTime"); - - var props = ["Date", "Day", "FullYear", "Hours", "Milliseconds", "Minutes", "Month", "Seconds"]; - - for (var p = 0; p < props.length; p++) { - addProxyMethod(utc, "get" + props[p], d, "getUTC" + props[p]); - addProxyMethod(utc, "set" + props[p], d, "setUTC" + props[p]); - } - - return utc; - }; - - // select time zone strategy. This returns a date-like object tied to the - // desired timezone - - function dateGenerator(ts, opts) { - if (opts.timezone == "browser") { - return new Date(ts); - } else if (!opts.timezone || opts.timezone == "utc") { - return makeUtcWrapper(new Date(ts)); - } else if (typeof timezoneJS != "undefined" && typeof timezoneJS.Date != "undefined") { - var d = new timezoneJS.Date(); - // timezone-js is fickle, so be sure to set the time zone before - // setting the time. - d.setTimezone(opts.timezone); - d.setTime(ts); - return d; - } else { - return makeUtcWrapper(new Date(ts)); - } - } - - // map of app. size of time units in milliseconds - - var timeUnitSize = { - "second": 1000, - "minute": 60 * 1000, - "hour": 60 * 60 * 1000, - "day": 24 * 60 * 60 * 1000, - "month": 30 * 24 * 60 * 60 * 1000, - "quarter": 3 * 30 * 24 * 60 * 60 * 1000, - "year": 365.2425 * 24 * 60 * 60 * 1000 - }; - - // the allowed tick sizes, after 1 year we use - // an integer algorithm - - var baseSpec = [ - [1, "second"], [2, "second"], [5, "second"], [10, "second"], - [30, "second"], - [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"], - [30, "minute"], - [1, "hour"], [2, "hour"], [4, "hour"], - [8, "hour"], [12, "hour"], - [1, "day"], [2, "day"], [3, "day"], - [0.25, "month"], [0.5, "month"], [1, "month"], - [2, "month"] - ]; - - // we don't know which variant(s) we'll need yet, but generating both is - // cheap - - var specMonths = baseSpec.concat([[3, "month"], [6, "month"], - [1, "year"]]); - var specQuarters = baseSpec.concat([[1, "quarter"], [2, "quarter"], - [1, "year"]]); - - function init(plot) { - plot.hooks.processOptions.push(function (plot, options) { - $.each(plot.getAxes(), function(axisName, axis) { - - var opts = axis.options; - - if (opts.mode == "time") { - axis.tickGenerator = function(axis) { - - var ticks = []; - var d = dateGenerator(axis.min, opts); - var minSize = 0; - - // make quarter use a possibility if quarters are - // mentioned in either of these options - - var spec = (opts.tickSize && opts.tickSize[1] === - "quarter") || - (opts.minTickSize && opts.minTickSize[1] === - "quarter") ? specQuarters : specMonths; - - if (opts.minTickSize != null) { - if (typeof opts.tickSize == "number") { - minSize = opts.tickSize; - } else { - minSize = opts.minTickSize[0] * timeUnitSize[opts.minTickSize[1]]; - } - } - - for (var i = 0; i < spec.length - 1; ++i) { - if (axis.delta < (spec[i][0] * timeUnitSize[spec[i][1]] - + spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2 - && spec[i][0] * timeUnitSize[spec[i][1]] >= minSize) { - break; - } - } - - var size = spec[i][0]; - var unit = spec[i][1]; - - // special-case the possibility of several years - - if (unit == "year") { - - // if given a minTickSize in years, just use it, - // ensuring that it's an integer - - if (opts.minTickSize != null && opts.minTickSize[1] == "year") { - size = Math.floor(opts.minTickSize[0]); - } else { - - var magn = Math.pow(10, Math.floor(Math.log(axis.delta / timeUnitSize.year) / Math.LN10)); - var norm = (axis.delta / timeUnitSize.year) / magn; - - if (norm < 1.5) { - size = 1; - } else if (norm < 3) { - size = 2; - } else if (norm < 7.5) { - size = 5; - } else { - size = 10; - } - - size *= magn; - } - - // minimum size for years is 1 - - if (size < 1) { - size = 1; - } - } - - axis.tickSize = opts.tickSize || [size, unit]; - var tickSize = axis.tickSize[0]; - unit = axis.tickSize[1]; - - var step = tickSize * timeUnitSize[unit]; - - if (unit == "second") { - d.setSeconds(floorInBase(d.getSeconds(), tickSize)); - } else if (unit == "minute") { - d.setMinutes(floorInBase(d.getMinutes(), tickSize)); - } else if (unit == "hour") { - d.setHours(floorInBase(d.getHours(), tickSize)); - } else if (unit == "month") { - d.setMonth(floorInBase(d.getMonth(), tickSize)); - } else if (unit == "quarter") { - d.setMonth(3 * floorInBase(d.getMonth() / 3, - tickSize)); - } else if (unit == "year") { - d.setFullYear(floorInBase(d.getFullYear(), tickSize)); - } - - // reset smaller components - - d.setMilliseconds(0); - - if (step >= timeUnitSize.minute) { - d.setSeconds(0); - } - if (step >= timeUnitSize.hour) { - d.setMinutes(0); - } - if (step >= timeUnitSize.day) { - d.setHours(0); - } - if (step >= timeUnitSize.day * 4) { - d.setDate(1); - } - if (step >= timeUnitSize.month * 2) { - d.setMonth(floorInBase(d.getMonth(), 3)); - } - if (step >= timeUnitSize.quarter * 2) { - d.setMonth(floorInBase(d.getMonth(), 6)); - } - if (step >= timeUnitSize.year) { - d.setMonth(0); - } - - var carry = 0; - var v = Number.NaN; - var prev; - - do { - - prev = v; - v = d.getTime(); - ticks.push(v); - - if (unit == "month" || unit == "quarter") { - if (tickSize < 1) { - - // a bit complicated - we'll divide the - // month/quarter up but we need to take - // care of fractions so we don't end up in - // the middle of a day - - d.setDate(1); - var start = d.getTime(); - d.setMonth(d.getMonth() + - (unit == "quarter" ? 3 : 1)); - var end = d.getTime(); - d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize); - carry = d.getHours(); - d.setHours(0); - } else { - d.setMonth(d.getMonth() + - tickSize * (unit == "quarter" ? 3 : 1)); - } - } else if (unit == "year") { - d.setFullYear(d.getFullYear() + tickSize); - } else { - d.setTime(v + step); - } - } while (v < axis.max && v != prev); - - return ticks; - }; - - axis.tickFormatter = function (v, axis) { - - var d = dateGenerator(v, axis.options); - - // first check global format - - if (opts.timeformat != null) { - return formatDate(d, opts.timeformat, opts.monthNames, opts.dayNames); - } - - // possibly use quarters if quarters are mentioned in - // any of these places - - var useQuarters = (axis.options.tickSize && - axis.options.tickSize[1] == "quarter") || - (axis.options.minTickSize && - axis.options.minTickSize[1] == "quarter"); - - var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]]; - var span = axis.max - axis.min; - var suffix = (opts.twelveHourClock) ? " %p" : ""; - var hourCode = (opts.twelveHourClock) ? "%I" : "%H"; - var fmt; - - if (t < timeUnitSize.minute) { - fmt = hourCode + ":%M:%S" + suffix; - } else if (t < timeUnitSize.day) { - if (span < 2 * timeUnitSize.day) { - fmt = hourCode + ":%M" + suffix; - } else { - fmt = "%b %d " + hourCode + ":%M" + suffix; - } - } else if (t < timeUnitSize.month) { - fmt = "%b %d"; - } else if ((useQuarters && t < timeUnitSize.quarter) || - (!useQuarters && t < timeUnitSize.year)) { - if (span < timeUnitSize.year) { - fmt = "%b"; - } else { - fmt = "%b %Y"; - } - } else if (useQuarters && t < timeUnitSize.year) { - if (span < timeUnitSize.year) { - fmt = "Q%q"; - } else { - fmt = "Q%q %Y"; - } - } else { - fmt = "%Y"; - } - - var rt = formatDate(d, fmt, opts.monthNames, opts.dayNames); - - return rt; - }; - } - }); - }); - } - - $.plot.plugins.push({ - init: init, - options: options, - name: 'time', - version: '1.0' - }); - - // Time-axis support used to be in Flot core, which exposed the - // formatDate function on the plot object. Various plugins depend - // on the function, so we need to re-expose it here. - - $.plot.formatDate = formatDate; - -})(jQuery); From 9e4b5cb0b3854b9897e113743af8096556d4d647 Mon Sep 17 00:00:00 2001 From: rozetko Date: Tue, 17 Jul 2018 18:19:27 +0300 Subject: [PATCH 2/2] rm unneeded code --- src/graph_renderer.ts | 98 +------------------------------------------ 1 file changed, 1 insertion(+), 97 deletions(-) diff --git a/src/graph_renderer.ts b/src/graph_renderer.ts index c91c7a39..b688fa32 100644 --- a/src/graph_renderer.ts +++ b/src/graph_renderer.ts @@ -26,7 +26,7 @@ import './vendor/flot/jquery.flot.events.js'; // import { EventManager } from 'grafana/app/features/annotations/event_manager'; import TimeSeries from 'grafana/app/core/time_series2'; -// import { getFlotTickDecimals } from 'grafana/app/core/utils/ticks'; +import { getFlotTickDecimals } from 'grafana/app/core/utils/ticks'; import { tickStep } from 'grafana/app/core/utils/ticks'; import { appEvents, coreModule } from 'grafana/app/core/core'; import kbn from 'grafana/app/core/utils/kbn'; @@ -843,99 +843,3 @@ function updateLegendValues(data: TimeSeries[], panel) { } } } - -function getDataMinMax(data: TimeSeries[]) { - let datamin = null; - let datamax = null; - - for (let series of data) { - if (datamax === null || datamax < series.stats.max) { - datamax = series.stats.max; - } - if (datamin === null || datamin > series.stats.min) { - datamin = series.stats.min; - } - } - - return { datamin, datamax }; -} - -function getFlotRange(panelMin, panelMax, datamin, datamax) { - const autoscaleMargin = 0.02; - - let min = +(panelMin != null ? panelMin : datamin); - let max = +(panelMax != null ? panelMax : datamax); - let delta = max - min; - - if (delta === 0.0) { - // Grafana fix: wide Y min and max using increased wideFactor - // when all series values are the same - var wideFactor = 0.25; - var widen = Math.abs(max === 0 ? 1 : max * wideFactor); - - if (panelMin === null) { - min -= widen; - } - // always widen max if we couldn't widen min to ensure we - // don't fall into min == max which doesn't work - if (panelMax == null || panelMin != null) { - max += widen; - } - } else { - // consider autoscaling - var margin = autoscaleMargin; - if (margin != null) { - if (panelMin == null) { - min -= delta * margin; - // make sure we don't go below zero if all values - // are positive - if (min < 0 && datamin != null && datamin >= 0) { - min = 0; - } - } - if (panelMax == null) { - max += delta * margin; - if (max > 0 && datamax != null && datamax <= 0) { - max = 0; - } - } - } - } - return { min, max }; -} - -function getFlotTickDecimals(data, axis) { - let { datamin, datamax } = getDataMinMax(data); - let { min, max } = getFlotRange(axis.min, axis.max, datamin, datamax); - let noTicks = 3; - let tickDecimals, maxDec; - let delta = (max - min) / noTicks; - let dec = -Math.floor(Math.log(delta) / Math.LN10); - - let magn = Math.pow(10, -dec); - // norm is between 1.0 and 10.0 - let norm = delta / magn; - let size; - - if (norm < 1.5) { - size = 1; - } else if (norm < 3) { - size = 2; - // special case for 2.5, requires an extra decimal - if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { - size = 2.5; - ++dec; - } - } else if (norm < 7.5) { - size = 5; - } else { - size = 10; - } - - size *= magn; - - tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); - // grafana addition - const scaledDecimals = tickDecimals - Math.floor(Math.log(size) / Math.LN10); - return { tickDecimals, scaledDecimals }; -}