arachnys-slider.js

/*! jQuery-ui-Slider-Pips - v1.10.4 - 2015-06-08
* Copyright (c) 2015 Simon Goellner <simey.me@gmail.com>; Licensed MIT */

// PIPS

/*! jQuery UI - v1.11.4 - 2015-06-29
* http://jqueryui.com
* Includes: core.js, widget.js, mouse.js, slider.js
* Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */

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s,n=0;switch("range"===t&&this.options.range===!0&&("min"===i?(this.options.value=this._values(0),this.options.values=null):"max"===i&&(this.options.value=this._values(this.options.values.length-1),this.options.values=null)),e.isArray(this.options.values)&&(n=this.options.values.length),"disabled"===t&&this.element.toggleClass("ui-state-disabled",!!i),this._super(t,i),t){case"orientation":this._detectOrientation(),this.element.removeClass("ui-slider-horizontal ui-slider-vertical").addClass("ui-slider-"+this.orientation),this._refreshValue(),this.handles.css("horizontal"===i?"bottom":"left","");break;case"value":this._animateOff=!0,this._refreshValue(),this._change(null,0),this._animateOff=!1;break;case"values":for(this._animateOff=!0,this._refreshValue(),s=0;n>s;s+=1)this._change(null,s);this._animateOff=!1;break;case"step":case"min":case"max":this._animateOff=!0,this._calculateNewMax(),this._refreshValue(),this._animateOff=!1;break;case"range":this._animateOff=!0,this._refresh(),this._animateOff=!1}},_value:function(){var e=this.options.value;return e=this._trimAlignValue(e)},_values:function(e){var t,i,s;if(arguments.length)return t=this.options.values[e],t=this._trimAlignValue(t);if(this.options.values&&this.options.values.length){for(i=this.options.values.slice(),s=0;i.length>s;s+=1)i[s]=this._trimAlignValue(i[s]);return i}return[]},_trimAlignValue:function(e){if(this._valueMin()>=e)return this._valueMin();if(e>=this._valueMax())return this._valueMax();var t=this.options.step>0?this.options.step:1,i=(e-this._valueMin())%t,s=e-i;return 2*Math.abs(i)>=t&&(s+=i>0?t:-t),parseFloat(s.toFixed(5))},_calculateNewMax:function(){var e=this.options.max,t=this._valueMin(),i=this.options.step,s=Math.floor(+(e-t).toFixed(this._precision())/i)*i;e=s+t,this.max=parseFloat(e.toFixed(this._precision()))},_precision:function(){var e=this._precisionOf(this.options.step);return null!==this.options.min&&(e=Math.max(e,this._precisionOf(this.options.min))),e},_precisionOf:function(e){var t=""+e,i=t.indexOf(".");return-1===i?0:t.length-i-1},_valueMin:function(){return this.options.min},_valueMax:function(){return this.max},_refreshValue:function(){var t,i,s,n,a,o=this.options.range,r=this.options,h=this,l=this._animateOff?!1:r.animate,u={};this.options.values&&this.options.values.length?this.handles.each(function(s){i=100*((h.values(s)-h._valueMin())/(h._valueMax()-h._valueMin())),u["horizontal"===h.orientation?"left":"bottom"]=i+"%",e(this).stop(1,1)[l?"animate":"css"](u,r.animate),h.options.range===!0&&("horizontal"===h.orientation?(0===s&&h.range.stop(1,1)[l?"animate":"css"]({left:i+"%"},r.animate),1===s&&h.range[l?"animate":"css"]({width:i-t+"%"},{queue:!1,duration:r.animate})):(0===s&&h.range.stop(1,1)[l?"animate":"css"]({bottom:i+"%"},r.animate),1===s&&h.range[l?"animate":"css"]({height:i-t+"%"},{queue:!1,duration:r.animate}))),t=i}):(s=this.value(),n=this._valueMin(),a=this._valueMax(),i=a!==n?100*((s-n)/(a-n)):0,u["horizontal"===this.orientation?"left":"bottom"]=i+"%",this.handle.stop(1,1)[l?"animate":"css"](u,r.animate),"min"===o&&"horizontal"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({width:i+"%"},r.animate),"max"===o&&"horizontal"===this.orientation&&this.range[l?"animate":"css"]({width:100-i+"%"},{queue:!1,duration:r.animate}),"min"===o&&"vertical"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({height:i+"%"},r.animate),"max"===o&&"vertical"===this.orientation&&this.range[l?"animate":"css"]({height:100-i+"%"},{queue:!1,duration:r.animate}))},_handleEvents:{keydown:function(t){var i,s,n,a,o=e(t.target).data("ui-slider-handle-index");switch(t.keyCode){case e.ui.keyCode.HOME:case e.ui.keyCode.END:case e.ui.keyCode.PAGE_UP:case e.ui.keyCode.PAGE_DOWN:case e.ui.keyCode.UP:case e.ui.keyCode.RIGHT:case e.ui.keyCode.DOWN:case e.ui.keyCode.LEFT:if(t.preventDefault(),!this._keySliding&&(this._keySliding=!0,e(t.target).addClass("ui-state-active"),i=this._start(t,o),i===!1))return}switch(a=this.options.step,s=n=this.options.values&&this.options.values.length?this.values(o):this.value(),t.keyCode){case e.ui.keyCode.HOME:n=this._valueMin();break;case e.ui.keyCode.END:n=this._valueMax();break;case e.ui.keyCode.PAGE_UP:n=this._trimAlignValue(s+(this._valueMax()-this._valueMin())/this.numPages);break;case e.ui.keyCode.PAGE_DOWN:n=this._trimAlignValue(s-(this._valueMax()-this._valueMin())/this.numPages);break;case e.ui.keyCode.UP:case e.ui.keyCode.RIGHT:if(s===this._valueMax())return;n=this._trimAlignValue(s+a);break;case e.ui.keyCode.DOWN:case e.ui.keyCode.LEFT:if(s===this._valueMin())return;n=this._trimAlignValue(s-a)}this._slide(t,o,n)},keyup:function(t){var i=e(t.target).data("ui-slider-handle-index");this._keySliding&&(this._keySliding=!1,this._stop(t,i),this._change(t,i),e(t.target).removeClass("ui-state-active"))}}})});
(function($) {

    "use strict";

    var extensionMethods = {

        pips: function( settings ) {

            var slider = this, i, j, p, collection = "",
                mousedownHandlers = $._data( slider.element.get(0), "events").mousedown,
                originalMousedown,
                min = slider._valueMin(),
                max = slider._valueMax(),
                value = slider._value(),
                values = slider._values(),
                pips = ( max - min ) / slider.options.step,
                $handles = slider.element.find(".ui-slider-handle"),
                $pips;

            var options = {

                first: "label",
                // "label", "pip", false

                last: "label",
                // "label", "pip", false

                rest: "pip",
                // "label", "pip", false

                labels: false,
                // [array], { first: "string", rest: [array], last: "string" }, false

                prefix: "",
                // "", string

                suffix: "",
                // "", string

                step: ( pips > 100 ) ? Math.floor( pips * 0.05 ) : 1,
                // number

                formatLabel: function(value) {
                    return this.prefix + value + this.suffix;
                }
                // function
                // must return a value to display in the pip labels

            };

            $.extend( options, settings );

            slider.options.pipStep = options.step;

            // get rid of all pips that might already exist.
            slider.element
                .addClass("ui-slider-pips")
                .find(".ui-slider-pip")
                .remove();

            // small object with functions for marking pips as selected.

            var selectPip = {

                single: function(value) {

                    this.resetClasses();

                    $pips
                        .filter(".ui-slider-pip-" + this.classLabel(value) )
                        .addClass("ui-slider-pip-selected");

                },

                range: function(values) {

                    this.resetClasses();

                    for( i = 0; i < values.length; i++ ) {

                        $pips
                            .filter(".ui-slider-pip-" + this.classLabel(values[i]) )
                            .addClass("ui-slider-pip-selected-" + (i+1) );

                    }

                    if ( slider.options.range ) {

                        $pips.each(function(k,v) {

                            var pipVal = $(v).children(".ui-slider-label").data("value");

                            if( pipVal > values[0] && pipVal < values[1] ) {

                                $(v).addClass("ui-slider-pip-inrange");

                            }

                        });

                    }

                },

                classLabel: function(value) {

                    return value.toString().replace(".","-");

                },

                resetClasses: function() {

                    var regex = /(^|\s*)(ui-slider-pip-selected|ui-slider-pip-inrange)(-{1,2}\d+|\s|$)/gi;

                    $pips.removeClass( function (index, css) {
                        return ( css.match(regex) || [] ).join(" ");
                    });

                }

            };

            function getClosestHandle( val ) {

                var h, k,
                    sliderVals,
                    comparedVals,
                    closestVal,
                    tempHandles = [],
                    closestHandle = 0;

                if( values && values.length ) {

                    // get the current values of the slider handles
                    sliderVals = slider.element.slider("values");

                    // find the offset value from the `val` for each
                    // handle, and store it in a new array
                    comparedVals = $.map( sliderVals, function(v) {
                        return Math.abs( v - val );
                    });

                    // figure out the closest handles to the value
                    closestVal = Math.min.apply( Math, comparedVals );

                    // If a comparedVal is the closestVal, then
                    // set the value accordingly, and set the closest handle.
                    for( h = 0; h < comparedVals.length; h++ ) {
                        if( comparedVals[h] === closestVal ) {
                            tempHandles.push(h);
                        }
                    }

                    // set the closest handle to the first handle in array,
                    // just incase we have no _lastChangedValue to compare to.
                    closestHandle = tempHandles[0];

                    // now we want to find out if any of the closest handles were
                    // the last changed handle, if so we specify that handle to change
                    for( k = 0; k < tempHandles.length; k++ ) {
                        if( slider._lastChangedValue === tempHandles[k] ) {
                            closestHandle = tempHandles[k];
                        }
                    }

                }

                return closestHandle;

            }

            // when we click on a label, we want to make sure the
            // slider's handle actually goes to that label!
            // so we check all the handles and see which one is closest
            // to the label we clicked. If 2 handles are equidistant then
            // we move both of them. We also want to trigger focus on the
            // handle.

            // without this method the label is just treated like a part
            // of the slider and there's no accuracy in the selected value

            function labelClick( label ) {

                if (slider.option("disabled")) {
                    return;
                }

                var val = $(label).data("value"),
                    indexToChange = getClosestHandle( val );

                if ( values && values.length ) {

                    slider.element.slider("values", indexToChange, val );

                } else {

                    slider.element.slider("value", val );

                }

                slider._lastChangedValue = indexToChange;

            }

            // method for creating a pip. We loop this for creating all
            // the pips.

            function createPip( which ) {

                var label,
                    percent,
                    number = which,
                    classes = "ui-slider-pip",
                    css = "";

                if ( "first" === which ) { number = 0; }
                else if ( "last" === which ) { number = pips; }

                // labelValue is the actual value of the pip based on the min/step
                var labelValue = min + ( slider.options.step * number );

                // classLabel replaces any decimals with hyphens
                var classLabel = labelValue.toString().replace(".","-");

                // We need to set the human-readable label to either the
                // corresponding element in the array, or the appropriate
                // item in the object... or an empty string.

                if( $.type(options.labels) === "array" ) {
                    label = options.labels[number] || "";
                }

                else if( $.type( options.labels ) === "object" ) {

                    // set first label
                    if( "first" === which ) {
                        label = options.labels.first || "";
                    }

                    // set last label
                    else if( "last" === which ) {
                        label = options.labels.last || "";
                    }

                    // set other labels, but our index should start at -1
                    // because of the first pip.
                    else if( $.type( options.labels.rest ) === "array" ) {
                        label = options.labels.rest[ number - 1 ] || "";
                    }

                    // urrggh, the options must be f**ked, just show nothing.
                    else {
                        label = labelValue;
                    }
                }

                else {

                    label = labelValue;

                }



                // First Pip on the Slider
                if ( "first" === which ) {

                    percent = "0%";

                    classes += " ui-slider-pip-first";
                    classes += ( "label" === options.first ) ? " ui-slider-pip-label" : "";
                    classes += ( false === options.first ) ? " ui-slider-pip-hide" : "";

                // Last Pip on the Slider
                } else if ( "last" === which ) {

                    percent = "100%";

                    classes += " ui-slider-pip-last";
                    classes += ( "label" === options.last ) ? " ui-slider-pip-label" : "";
                    classes += ( false === options.last ) ? " ui-slider-pip-hide" : "";

                // All other Pips
                } else {

                    percent = ((100/pips) * which).toFixed(4) + "%";

                    classes += ( "label" === options.rest ) ? " ui-slider-pip-label" : "";
                    classes += ( false === options.rest ) ? " ui-slider-pip-hide" : "";

                }

                classes += " ui-slider-pip-" + classLabel;


                // add classes for the initial-selected values.
                if ( values && values.length ) {

                    for( i = 0; i < values.length; i++ ) {

                        if ( labelValue === values[i] ) {
                            classes += " ui-slider-pip-initial-" + (i+1);
                            classes += " ui-slider-pip-selected-" + (i+1);
                        }

                    }

                    if ( slider.options.range ) {

                        if( labelValue > values[0] &&
                            labelValue < values[1] ) {

                            classes += " ui-slider-pip-inrange";

                        }

                    }

                } else {

                    if ( labelValue === value ) {
                        classes += " ui-slider-pip-initial";
                        classes += " ui-slider-pip-selected";
                    }

                }



                css = ( slider.options.orientation === "horizontal" ) ?
                    "left: "+ percent :
                    "bottom: "+ percent;


                // add this current pip to the collection
                return  "<span class=\""+classes+"\" style=\""+css+"\">"+
                            "<span class=\"ui-slider-line\"></span>"+
                            "<span class=\"ui-slider-label\" data-value=\""+labelValue+"\">"+ options.formatLabel(label) +"</span>"+
                        "</span>";

            }

            // we don't want the step ever to be a floating point.
            slider.options.pipStep = Math.round( slider.options.pipStep );

            // create our first pip
            collection += createPip("first");

            // for every stop in the slider; we create a pip.
            for( p = 1; p < pips; p++ ) {
                if( p % slider.options.pipStep === 0 ) {
                    collection += createPip( p );
                }
            }

            // create our last pip
            collection += createPip("last");

            // append the collection of pips.
            slider.element.append( collection );

            // store the pips for setting classes later.
            $pips = slider.element.find(".ui-slider-pip");




            // loop through all the mousedown handlers on the slider,
            // and store the original namespaced (.slider) event handler so
            // we can trigger it later.
            for( j = 0; j < mousedownHandlers.length; j++ ) {
                if( mousedownHandlers[j].namespace === "slider" ) {
                    originalMousedown = mousedownHandlers[j].handler;
                }
            }

            // unbind the mousedown.slider event, because it interferes with
            // the labelClick() method (stops smooth animation), and decide
            // if we want to trigger the original event based on which element
            // was clicked.
            slider.element
                .off("mousedown.slider")
                .on("mousedown.selectPip", function(e) {

                    var $target = $(e.target),
                        closest = getClosestHandle( $target.data("value") ),
                        $handle = $handles.eq( closest );

                    $handle.addClass("ui-state-active");

                    if( $target.is(".ui-slider-label") ) {

                        labelClick( $target );

                        slider.element
                            .one("mouseup.selectPip", function() {

                                $handle
                                    .removeClass("ui-state-active")
                                    .focus();

                            });

                    } else {

                        originalMousedown(e);

                    }

            });




            slider.element.on( "slide.selectPip slidechange.selectPip", function(e,ui) {

                var $slider = $(this),
                    value = $slider.slider("value"),
                    values = $slider.slider("values");

                if ( ui ) {

                    value = ui.value;
                    values = ui.values;

                }

                if ( values && values.length ) {

                    selectPip.range( values );

                } else {

                    selectPip.single( value );

                }

            });




        },








// FLOATS

        float: function( settings ) {

            var i,
                slider = this,
                min = slider._valueMin(),
                max = slider._valueMax(),
                value = slider._value(),
                values = slider._values(),
                tipValues = [],
                $handles = slider.element.find(".ui-slider-handle");

            var options = {

                handle: true,
                // false

                pips: false,
                // true

                labels: false,
                // [array], { first: "string", rest: [array], last: "string" }, false

                prefix: "",
                // "", string

                suffix: "",
                // "", string

                event: "slidechange slide",
                // "slidechange", "slide", "slidechange slide"

                formatLabel: function(value) {
                    return this.prefix + value + this.suffix;
                }
                // function
                // must return a value to display in the floats

            };

            $.extend( options, settings );

            if ( value < min ) {
                value = min;
            }

            if ( value > max ) {
                value = max;
            }

            if ( values && values.length ) {

                for( i = 0; i < values.length; i++ ) {

                    if ( values[i] < min ) {
                        values[i] = min;
                    }

                    if ( values[i] > max ) {
                        values[i] = max;
                    }

                }

            }

            // add a class for the CSS
            slider.element
                .addClass("ui-slider-float")
                .find(".ui-slider-tip, .ui-slider-tip-label")
                .remove();

            function getPipLabels( values ) {

                // when checking the array we need to divide
                // by the step option, so we store those values here.

                var vals = [],
                    steppedVals = $.map( values, function(v) {
                        return Math.ceil(( v - min ) / slider.options.step);
                    });

                // now we just get the values we need to return
                // by looping through the values array and assigning the
                // label if it exists.

                if( $.type( options.labels ) === "array" ) {

                    for( i = 0; i < values.length; i++ ) {

                        vals[i] = options.labels[ steppedVals[i] ] || values[i];

                    }

                }

                else if( $.type( options.labels ) === "object" ) {

                    for( i = 0; i < values.length; i++ ) {

                        if( values[i] === min ) {
                            vals[i] = options.labels.first || min;
                        }

                        else if( values[i] === max ) {
                            vals[i] = options.labels.last || max;
                        }

                        else if( $.type( options.labels.rest ) === "array" ) {
                            vals[i] = options.labels.rest[ steppedVals[i] - 1 ] || values[i];
                        }

                        else {
                            vals[i] = values[i];
                        }

                    }

                }

                else {

                    for( i = 0; i < values.length; i++ ) {

                        vals[i] = values[i];

                    }

                }

                return vals;

            }

            // apply handle tip if settings allows.
            if ( options.handle ) {

                // We need to set the human-readable label to either the
                // corresponding element in the array, or the appropriate
                // item in the object... or an empty string.

                tipValues = ( values && values.length ) ?
                    getPipLabels( values ) :
                    getPipLabels( [ value ] );

                for( i = 0; i < tipValues.length; i++ ) {

                    $handles
                        .eq( i )
                        .append( $("<span class=\"ui-slider-tip\">"+ options.formatLabel(tipValues[i]) +"</span>") );

                }

            }

            if ( options.pips ) {

                // if this slider also has pip-labels, we make those into tips, too.
                slider.element.find(".ui-slider-label").each(function(k,v) {

                    var $this = $(v),
                        val = [ $this.data("value") ],
                        label,
                        $tip;


                    label = options.formatLabel( getPipLabels( val )[0] );

                    // create a tip element
                    $tip =
                        $("<span class=\"ui-slider-tip-label\">" + label + "</span>")
                            .insertAfter( $this );

                });

            }

            // check that the event option is actually valid against our
            // own list of the slider's events.
            if ( options.event !== "slide" &&
                options.event !== "slidechange" &&
                options.event !== "slide slidechange" &&
                options.event !== "slidechange slide" ) {

                options.event = "slidechange slide";

            }

            // when slider changes, update handle tip label.
            slider.element.on( options.event , function( e, ui ) {

                var uiValue = ( $.type( ui.value ) === "array" ) ? ui.value : [ ui.value ],
                    val = options.formatLabel( getPipLabels( uiValue )[0] );

                $(ui.handle)
                    .find(".ui-slider-tip")
                    .html( val );

            });

        }

    };

    $.extend(true, $.ui.slider.prototype, extensionMethods);

})(jQuery);