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d3.autocontrol.js
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d3.autocontrol.js
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/*- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -~- -*/
/*
/* Automagically make tools to manipulate data when attr is called
/*
/* Like Bret Victor's dream
/*
/*
WARNING: Just loading this script modifies d3's main functionality.
See Config.
WARNING: Use of eval().
/*
/* Dependencies:
/* * D3.js
/* * JSColor (for color picker)
/*
/* Example useage:
/*
/* d3.select('svg').selectAll('circle')
/* .data([1, 2, 3, 4])
/* .attr('fill', 'blue',
/* 'color')
/* .attr('cx', 0,
/* 'slider', function (value, d, i) {
/* return (i + 1) * value;
/* }, 1, 400)
/* .attr('cy', function (d, i) { return 20 * (i + 1); })
/* .attr('r', function (d, i) { return i + 5; },
/* 'code', function (d, i) { return d; })
/*
/*
/* Author: [Reed](https://github.com/reedspool)
/*
/*- -~- -*/
(function () {
/* Begin Config */
CONFIG = {
EXTEND_D3: true,
// WARNING: Be very careful with this set to Truthy
MODIFY_D3: true
}
/* End Config */
/* Begin Extension functions */
function __playground_attr(name, initial, type, passedFilter, a,r,g,s) {
if (arguments.length < 3) {
return original_d3_selection_attr.apply(this, arguments)
}
passedFilter = typeof passedFilter === 'function'
? passedFilter
: function (d) { return d };
var filter = function (value, d, i) {
if (typeof value === 'function') {
value = value.call(this, d, i);
}
return passedFilter.call(this, value, d, i);
}
var wires = makeWires();
d3.playground.createFromAutocontrol(wires.trigger, arguments)
return this.each(function (d, i) {
var that = d3.select(this);
wires.register(function (value) {
original_d3_selection_attr.call(that, name, filter.bind(this, value))
})
original_d3_selection_attr.call(that, name, initial)
})
}
/* Begin Extension functions */
function __playground_style(name, value, priority, type, passedFilter, a,r,g,s) {
var priority = 'important';
if (arguments.length < 4) {
return original_d3_selection_style.apply(this, arguments)
}
passedFilter = typeof passedFilter === 'function'
? passedFilter
: function (d) { return d };
// Wrap filter
filter = function (value, d, i) {
if (typeof value === 'function') {
value = value(d, i);
}
return passedFilter(value, d, i);
}
var wires = makeWires()
d3.playground.createFromAutocontrol(trigger, arguments)
return this.each(function (d, i) {
var that = d3.select(this);
wires.register(function (value) {
original_d3_selection_style.call(that, name, priority, filter.bind(this, value))
})
// Set initial value through normal d3 method
original_d3_selection_style.call(that, name, priority, value)
});
}
__playground_transition_attr = (function () {
// Act like the d3.selection.transition.attr() but take some extra arguments
function _attr(name, value, control, a,r,g,s) {
if (arguments.length > 2) {
var filter = function (d) { return d };
if (arguments.length > 5) {;
filter = arguments[arguments.length - 1];
}
var wires = makeWires();
d3.playground.create.apply(this, [].concat.apply([wires.trigger], arguments))
return __transition_tween(this, name, value, wires.register,
function (value, d, i) {
if (typeof value === 'function') {
value = value(d, i);
}
return filter(value, d, i);
});
}
// Defer to original attr function if no extra arguments
// So we've added
// * 1 simple logic
// * 1 fn.apply to every attr call
// * 1 closure
return original_d3_selection_transition_attr.apply(this, arguments)
}
function __transition_tween (groups, name, value, register, filter) {
register(function (value) {
original_d3_selection_attr.call(d3.selectAll(groups[0]),
name,
function (d, i) {
return filter.call(this, value, d, i)
})
})
// Continue with original d3 transitioning
return original_d3_selection_transition_attr.call(groups, name, value)
}
return _attr;
})();
__playground_transition_style = (function () {
// Act like the d3.selection.transition.attr() but take some extra arguments
function _attr(name, value, control, a,r,g,s) {
// Our priorities are always important!
var priority = 'important';
if (arguments.length > 2) {
var filter = function (d) { return d };
if (arguments.length > 5) {;
filter = arguments[arguments.length - 1];
}
var wires = makeWires();
d3.playground.create.apply(this, [].concat.apply([wires.trigger], arguments))
return __transition_tween(this, name, value, priority, wires.register,
function (value, d, i) {
if (typeof value === 'function') {
value = value(d, i);
}
return filter(value, d, i);
});
}
// Defer to original attr function if no extra arguments
// So we've added
// * 1 simple logic
// * 1 fn.apply to every attr call
// * 1 closure
return original_d3_selection_transition_attr.apply(this, arguments)
}
function __transition_tween (groups, name, value, priority, register, filter) {
register(function (value) {
original_d3_selection_style.call(d3.selectAll(groups[0]),
name,
function (d, i) {
return filter.call(this, value, d, i)
},
priority)
})
// Continue with original d3 transitioning
return original_d3_selection_transition_attr.call(groups, name, value, priority)
}
return _attr;
})();
/* End Extension functions */
/* Begin Utility */
function makeWires(d, i) {
var wires = d3.dispatch('zap');
var wireId = 0;
function register(callback) {
// Register under a silly name to keep from overwriting friends
wires.on('zap.attr'+ wireId++, callback);
}
function trigger(value, value2) {
wires.zap(value2 || value);
}
return {
trigger: trigger,
register: register
}
}
/* End Utility */
/* Begin Edit Outside World */
var original_d3_selection_attr = d3.selection.prototype.attr
var original_d3_selection_style = d3.selection.prototype.style
var original_d3_selection_transition_attr = d3.transition.prototype.attr
var original_d3_selection_transition_style = d3.transition.prototype.style
if (CONFIG.EXTEND_D3) {
d3.selection.prototype.PGattr = __playground_attr
d3.selection.prototype.PGstyle = __playground_style
d3.transition.prototype.PGattr = __playground_transition_attr
d3.transition.prototype.PGstyle = __playground_transition_style
}
if (CONFIG.MODIFY_D3) {
d3.selection.prototype.attr = __playground_attr
d3.selection.prototype.style = __playground_style
d3.transition.prototype.attr = __playground_transition_attr
d3.transition.prototype.style = __playground_transition_style
}
/* End Edit Outside World */
})();