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/*!
xCharts v0.3.0 Copyright (c) 2012, tenXer, Inc. All Rights Reserved.
@license MIT license. http://github.com/tenXer/xcharts for details
*/
(function () {
var xChart,
_vis = {},
_scales = {},
_visutils = {};
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return _.chain(_.range(zIndex, 10)).reverse().map(function (z) {
return 'g[data-index="' + z + '"]';
}).value().join(', ');
}
function colorClass(el, i) {
var c = el.getAttribute('class');
return ((c !== null) ? c.replace(/color\d+/g, '') : '') + ' color' + i;
}
_visutils = {
getInsertionPoint: getInsertionPoint,
colorClass: colorClass
};
var local = this,
defaultSpacing = 0.25;
function _getDomain(data, axis) {
return _.chain(data)
.pluck('data')
.flatten()
.pluck(axis)
.uniq()
.filter(function (d) {
return d !== undefined && d !== null;
})
.value()
.sort(d3.ascending);
}
_scales.ordinal = function (data, axis, bounds, extents) {
var domain = _getDomain(data, axis);
return d3.scale.ordinal()
.domain(domain)
.rangeRoundBands(bounds, defaultSpacing);
};
_scales.linear = function (data, axis, bounds, extents) {
return d3.scale.linear()
.domain(extents)
.nice()
.rangeRound(bounds);
};
_scales.exponential = function (data, axis, bounds, extents) {
return d3.scale.pow()
.exponent(0.65)
.domain(extents)
.nice()
.rangeRound(bounds);
};
_scales.time = function (data, axis, bounds, extents) {
return d3.time.scale()
.domain(_.map(extents, function (d) { return new Date(d); }))
.range(bounds);
};
function _extendDomain(domain, axis) {
var min = domain[0],
max = domain[1],
diff,
e;
if (min === max) {
e = Math.max(Math.round(min / 10), 4);
min -= e;
max += e;
}
diff = max - min;
min = (min) ? min - (diff / 10) : min;
min = (domain[0] > 0) ? Math.max(min, 0) : min;
max = (max) ? max + (diff / 10) : max;
max = (domain[1] < 0) ? Math.min(max, 0) : max;
return [min, max];
}
function _getExtents(options, data, xType, yType) {
var extents,
nData = _.chain(data)
.pluck('data')
.flatten()
.value();
extents = {
x: d3.extent(nData, function (d) { return d.x; }),
y: d3.extent(nData, function (d) { return d.y; })
};
_.each([xType, yType], function (type, i) {
var axis = (i) ? 'y' : 'x',
extended;
extents[axis] = d3.extent(nData, function (d) { return d[axis]; });
if (type === 'ordinal') {
return;
}
_.each([axis + 'Min', axis + 'Max'], function (minMax, i) {
if (type !== 'time') {
extended = _extendDomain(extents[axis]);
}
if (options.hasOwnProperty(minMax) && options[minMax] !== null) {
extents[axis][i] = options[minMax];
} else if (type !== 'time') {
extents[axis][i] = extended[i];
}
});
});
return extents;
}
_scales.xy = function (self, data, xType, yType) {
var o = self._options,
extents = _getExtents(o, data, xType, yType),
scales = {},
horiz = [o.axisPaddingLeft, self._width],
vert = [self._height, o.axisPaddingTop],
xScale,
yScale;
_.each([xType, yType], function (type, i) {
var axis = (i === 0) ? 'x' : 'y',
bounds = (i === 0) ? horiz : vert,
fn = xChart.getScale(type);
scales[axis] = fn(data, axis, bounds, extents[axis]);
});
return scales;
};
(function () {
var zIndex = 2,
selector = 'g.bar',
insertBefore = _visutils.getInsertionPoint(zIndex);
function postUpdateScale(self, scaleData, mainData, compData) {
self.xScale2 = d3.scale.ordinal()
.domain(d3.range(0, mainData.length))
.rangeRoundBands([0, self.xScale.rangeBand()], 0.08);
}
function enter(self, storage, className, data, callbacks) {
var barGroups, bars,
yZero = self.yZero;
barGroups = self._g.selectAll(selector + className)
.data(data, function (d) {
return d.className;
});
barGroups.enter().insert('g', insertBefore)
.attr('data-index', zIndex)
.style('opacity', 0)
.attr('class', function (d, i) {
var cl = _.uniq((className + d.className).split('.')).join(' ');
return cl + ' bar ' + _visutils.colorClass(this, i);
})
.attr('transform', function (d, i) {
return 'translate(' + self.xScale2(i) + ',0)';
});
bars = barGroups.selectAll('rect')
.data(function (d) {
return d.data;
}, function (d) {
return d.x;
});
bars.enter().append('rect')
.attr('width', 0)
.attr('rx', 3)
.attr('ry', 3)
.attr('x', function (d) {
return self.xScale(d.x) + (self.xScale2.rangeBand() / 2);
})
.attr('height', function (d) {
return Math.abs(yZero - self.yScale(d.y));
})
.attr('y', function (d) {
return (d.y < 0) ? yZero : self.yScale(d.y);
})
.on('mouseover', callbacks.mouseover)
.on('mouseout', callbacks.mouseout)
.on('click', callbacks.click);
storage.barGroups = barGroups;
storage.bars = bars;
}
function update(self, storage, timing) {
var yZero = self.yZero;
storage.barGroups
.attr('class', function (d, i) {
return _visutils.colorClass(this, i);
})
.transition().duration(timing)
.style('opacity', 1)
.attr('transform', function (d, i) {
return 'translate(' + self.xScale2(i) + ',0)';
});
storage.bars.transition().duration(timing)
.attr('width', self.xScale2.rangeBand())
.attr('x', function (d) {
return self.xScale(d.x);
})
.attr('height', function (d) {
return Math.abs(yZero - self.yScale(d.y));
})
.attr('y', function (d) {
return (d.y < 0) ? yZero : self.yScale(d.y);
});
}
function exit(self, storage, timing) {
storage.bars.exit()
.transition().duration(timing)
.attr('width', 0)
.remove();
storage.barGroups.exit()
.transition().duration(timing)
.style('opacity', 0)
.remove();
}
function destroy(self, storage, timing) {
var band = (self.xScale2) ? self.xScale2.rangeBand() / 2 : 0;
delete self.xScale2;
storage.bars
.transition().duration(timing)
.attr('width', 0)
.attr('x', function (d) {
return self.xScale(d.x) + band;
});
}
_vis.bar = {
postUpdateScale: postUpdateScale,
enter: enter,
update: update,
exit: exit,
destroy: destroy
};
}());
(function () {
var zIndex = 3,
selector = 'g.line',
insertBefore = _visutils.getInsertionPoint(zIndex);
function enter(self, storage, className, data, callbacks) {
var inter = self._options.interpolation,
x = function (d, i) {
if (!self.xScale2 && !self.xScale.rangeBand) {
return self.xScale(d.x);
}
return self.xScale(d.x) + (self.xScale.rangeBand() / 2);
},
y = function (d) { return self.yScale(d.y); },
line = d3.svg.line()
.x(x)
.interpolate(inter),
area = d3.svg.area()
.x(x)
.y1(self.yZero)
.interpolate(inter),
container,
fills,
paths;
function datum(d) {
return [d.data];
}
container = self._g.selectAll(selector + className)
.data(data, function (d) {
return d.className;
});
container.enter().insert('g', insertBefore)
.attr('data-index', zIndex)
.attr('class', function (d, i) {
var cl = _.uniq((className + d.className).split('.')).join(' ');
return cl + ' line ' + _visutils.colorClass(this, i);
});
fills = container.selectAll('path.fill')
.data(datum);
fills.enter().append('path')
.attr('class', 'fill')
.style('opacity', 0)
.attr('d', area.y0(y));
paths = container.selectAll('path.line')
.data(datum);
paths.enter().append('path')
.attr('class', 'line')
.style('opacity', 0)
.attr('d', line.y(y));
storage.lineContainers = container;
storage.lineFills = fills;
storage.linePaths = paths;
storage.lineX = x;
storage.lineY = y;
storage.lineA = area;
storage.line = line;
}
function update(self, storage, timing) {
storage.lineContainers
.attr('class', function (d, i) {
return _visutils.colorClass(this, i);
});
storage.lineFills.transition().duration(timing)
.style('opacity', 1)
.attr('d', storage.lineA.y0(storage.lineY));
storage.linePaths.transition().duration(timing)
.style('opacity', 1)
.attr('d', storage.line.y(storage.lineY));
}
function exit(self, storage) {
storage.linePaths.exit()
.style('opacity', 0)
.remove();
storage.lineFills.exit()
.style('opacity', 0)
.remove();
storage.lineContainers.exit()
.remove();
}
function destroy(self, storage, timing) {
storage.linePaths.transition().duration(timing)
.style('opacity', 0);
storage.lineFills.transition().duration(timing)
.style('opacity', 0);
}
_vis.line = {
enter: enter,
update: update,
exit: exit,
destroy: destroy
};
}());
(function () {
var line = _vis.line;
function enter(self, storage, className, data, callbacks) {
var circles;
line.enter(self, storage, className, data, callbacks);
circles = storage.lineContainers.selectAll('circle')
.data(function (d) {
return d.data;
}, function (d) {
return d.x;
});
circles.enter().append('circle')
.style('opacity', 0)
.attr('cx', storage.lineX)
.attr('cy', storage.lineY)
.attr('r', 5)
.on('mouseover', callbacks.mouseover)
.on('mouseout', callbacks.mouseout)
.on('click', callbacks.click);
storage.lineCircles = circles;
}
function update(self, storage, timing) {
line.update.apply(null, _.toArray(arguments));
storage.lineCircles.transition().duration(timing)
.style('opacity', 1)
.attr('cx', storage.lineX)
.attr('cy', storage.lineY);
}
function exit(self, storage) {
storage.lineCircles.exit()
.remove();
line.exit.apply(null, _.toArray(arguments));
}
function destroy(self, storage, timing) {
line.destroy.apply(null, _.toArray(arguments));
if (!storage.lineCircles) {
return;
}
storage.lineCircles.transition().duration(timing)
.style('opacity', 0);
}
_vis['line-dotted'] = {
enter: enter,
update: update,
exit: exit,
destroy: destroy
};
}());
(function () {
var line = _vis['line-dotted'];
function enter(self, storage, className, data, callbacks) {
line.enter(self, storage, className, data, callbacks);
}
function _accumulate_data(data) {
function reduce(memo, num) {
return memo + num.y;
}
var nData = _.map(data, function (set) {
var i = set.data.length,
d = _.clone(set.data);
set = _.clone(set);
while (i) {
i -= 1;
// Need to clone here, otherwise we are actually setting the same
// data onto the original data set.
d[i] = _.clone(set.data[i]);
d[i].y0 = set.data[i].y;
d[i].y = _.reduce(_.first(set.data, i), reduce, set.data[i].y);
}
return _.extend(set, { data: d });
});
return nData;
}
function _resetData(self) {
if (!self.hasOwnProperty('cumulativeOMainData')) {
return;
}
self._mainData = self.cumulativeOMainData;
delete self.cumulativeOMainData;
self._compData = self.cumulativeOCompData;
delete self.cumulativeOCompData;
}
function preUpdateScale(self, data) {
_resetData(self);
self.cumulativeOMainData = self._mainData;
self._mainData = _accumulate_data(self._mainData);
self.cumulativeOCompData = self._compData;
self._compData = _accumulate_data(self._compData);
}
function destroy(self, storage, timing) {
_resetData(self);
line.destroy.apply(null, _.toArray(arguments));
}
_vis.cumulative = {
preUpdateScale: preUpdateScale,
enter: enter,
update: line.update,
exit: line.exit,
destroy: destroy
};
}());
var emptyData = [[]],
defaults = {
// User interaction callbacks
mouseover: function (data, i) {},
mouseout: function (data, i) {},
click: function (data, i) {},
// Padding between the axes and the contents of the chart
axisPaddingTop: 0,
axisPaddingRight: 0,
axisPaddingBottom: 5,
axisPaddingLeft: 20,
// Padding around the edge of the chart (space for axis labels, etc)
paddingTop: 0,
paddingRight: 0,
paddingBottom: 20,
paddingLeft: 60,
// Axis tick formatting
tickHintX: 10,
tickFormatX: function (x) { return x; },
tickHintY: 10,
tickFormatY: function (y) { return y; },
// Min/Max Axis Values
xMin: null,
xMax: null,
yMin: null,
yMax: null,
// Pre-format input data
dataFormatX: function (x) { return x; },
dataFormatY: function (y) { return y; },
unsupported: function (selector) {
d3.select(selector).text('SVG is not supported on your browser');
},
// Callback functions if no data
empty: function (self, selector, d) {},
notempty: function (self, selector) {},
timing: 750,
// Line interpolation
interpolation: 'monotone',
// Data sorting
sortX: function (a, b) {
return (!a.x && !b.x) ? 0 : (a.x < b.x) ? -1 : 1;
}
};
// What/how should the warning/error be presented?
function svgEnabled() {
var d = document;
return (!!d.createElementNS &&
!!d.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect);
}
/**
* Creates a new chart
*
* @param string type The drawing type for the main data
* @param array data Data to render in the chart
* @param string selector CSS Selector for the parent element for the chart
* @param object options Optional. See `defaults` for options
*
* Examples:
* var data = {
* "main": [
* {
* "data": [
* {
* "x": "2012-08-09T07:00:00.522Z",
* "y": 68
* },
* {
* "x": "2012-08-10T07:00:00.522Z",
* "y": 295
* },
* {
* "x": "2012-08-11T07:00:00.522Z",
* "y": 339
* },
* ],
* "className": ".foo"
* }
* ],
* "xScale": "ordinal",
* "yScale": "linear",
* "comp": [
* {
* "data": [
* {
* "x": "2012-08-09T07:00:00.522Z",
* "y": 288
* },
* {
* "x": "2012-08-10T07:00:00.522Z",
* "y": 407
* },
* {
* "x": "2012-08-11T07:00:00.522Z",
* "y": 459
* }
* ],
* "className": ".comp.comp_foo",
* "type": "line-arrowed"
* }
* ]
* },
* myChart = new Chart('bar', data, '#chart');
*
*/
function xChart(type, data, selector, options) {
var self = this,
resizeLock;
self._options = options = _.defaults(options || {}, defaults);
if (svgEnabled() === false) {
return options.unsupported(selector);
}
self._selector = selector;
self._container = d3.select(selector);
self._drawSvg();
self._mainStorage = {};
self._compStorage = {};
data = _.clone(data);
if (type && !data.type) {
data.type = type;
}
self.setData(data);
d3.select(window).on('resize.for.' + selector, function () {
if (resizeLock) {
clearTimeout(resizeLock);
}
resizeLock = setTimeout(function () {
resizeLock = null;
self._resize();
}, 500);
});
}
/**
* Add a visualization type
*
* @param string type Unique key/name used with setType
* @param object vis object map of vis methods
*/
xChart.setVis = function (type, vis) {
if (_vis.hasOwnProperty(type)) {
throw 'Cannot override vis type "' + type + '".';
}
_vis[type] = vis;
};
/**
* Get a clone of a visualization
* Useful for extending vis functionality
*
* @param string type Unique key/name of the vis
*/
xChart.getVis = function (type) {
if (!_vis.hasOwnProperty(type)) {
throw 'Vis type "' + type + '" does not exist.';
}
return _.clone(_vis[type]);
};
xChart.setScale = function (name, fn) {
if (_scales.hasOwnProperty(name)) {
throw 'Scale type "' + name + '" already exists.';
}
_scales[name] = fn;
};
xChart.getScale = function (name) {
if (!_scales.hasOwnProperty(name)) {
throw 'Scale type "' + name + '" does not exist.';
}
return _scales[name];
};
xChart.visutils = _visutils;
_.defaults(xChart.prototype, {
/**
* Set or change the drawing type for the main data.
*
* @param string type Must be an available drawing type
*
*/
setType: function (type, skipDraw) {
var self = this;
if (self._type && type === self._type) {
return;
}
if (!_vis.hasOwnProperty(type)) {
throw 'Vis type "' + type + '" is not defined.';
}
if (self._type) {
self._destroy(self._vis, self._mainStorage);
}
self._type = type;
self._vis = _vis[type];
if (!skipDraw) {
self._draw();
}
},
/**
* Set and update the data for the chart. Optionally skip drawing.
*
* @param object data New data. See new xChart example for format
*
*/
setData: function (data) {
var self = this,
o = self._options,
nData = _.clone(data);
if (!data.hasOwnProperty('main')) {
throw 'No "main" key found in given chart data.';
}
switch (data.type) {
case 'bar':
// force the xScale to be ordinal
data.xScale = 'ordinal';
break;
case undefined:
data.type = self._type;
break;
}
o.xMin = (isNaN(parseInt(data.xMin, 10))) ? o.xMin : data.xMin;
o.xMax = (isNaN(parseInt(data.xMax, 10))) ? o.xMax : data.xMax;
o.yMin = (isNaN(parseInt(data.yMin, 10))) ? o.yMin : data.yMin;
o.yMax = (isNaN(parseInt(data.yMax, 10))) ? o.yMax : data.yMax;
if (self._vis) {
self._destroy(self._vis, self._mainStorage);
}
self.setType(data.type, true);
function _mapData(set) {
var d = _.map(_.clone(set.data), function (p) {
var np = _.clone(p);
if (p.hasOwnProperty('x')) {
np.x = o.dataFormatX(p.x);
}
if (p.hasOwnProperty('y')) {
np.y = o.dataFormatY(p.y);
}
return np;
}).sort(o.sortX);
return _.extend(_.clone(set), { data: d });
}
nData.main = _.map(nData.main, _mapData);
self._mainData = nData.main;
self._xScaleType = nData.xScale;
self._yScaleType = nData.yScale;
if (nData.hasOwnProperty('comp')) {
nData.comp = _.map(nData.comp, _mapData);
self._compData = nData.comp;
} else {
self._compData = [];
}
self._draw();
},
/**
* Change the scale of an axis
*
* @param string axis Name of an axis. One of 'x' or 'y'
* @param string type Name of the scale type
*
*/
setScale: function (axis, type) {
var self = this;
switch (axis) {
case 'x':
self._xScaleType = type;
break;
case 'y':
self._yScaleType = type;
break;
default:
throw 'Cannot change scale of unknown axis "' + axis + '".';
}
self._draw();
},
/**
* Create the SVG element and g container. Resize if necessary.
*/
_drawSvg: function () {
var self = this,
c = self._container,
options = self._options,
width = parseInt(c.style('width').replace('px', ''), 10),
height = parseInt(c.style('height').replace('px', ''), 10),
svg,
g,
gScale;
svg = c.selectAll('svg')
.data(emptyData);
svg.enter().append('svg')
// Inherit the height and width from the parent element
.attr('height', height)
.attr('width', width)
.attr('class', 'xchart');
svg.transition()
.attr('width', width)
.attr('height', height);
g = svg.selectAll('g')
.data(emptyData);
g.enter().append('g')
.attr(
'transform',
'translate(' + options.paddingLeft + ',' + options.paddingTop + ')'
);
gScale = g.selectAll('g.scale')
.data(emptyData);
gScale.enter().append('g')
.attr('class', 'scale');
self._svg = svg;
self._g = g;
self._gScale = gScale;
self._height = height - options.paddingTop - options.paddingBottom -
options.axisPaddingTop - options.axisPaddingBottom;
self._width = width - options.paddingLeft - options.paddingRight -
options.axisPaddingLeft - options.axisPaddingRight;
},
/**
* Resize the visualization
*/
_resize: function (event) {
var self = this;
self._drawSvg();
self._draw();
},
/**
* Draw the x and y axes
*/
_drawAxes: function () {
if (this._noData) {
return;
}
var self = this,
o = self._options,
t = self._gScale.transition().duration(o.timing),
xTicks = o.tickHintX,
yTicks = o.tickHintY,
bottom = self._height + o.axisPaddingTop + o.axisPaddingBottom,
zeroLine = d3.svg.line().x(function (d) { return d; }),
zLine,
zLinePath,
xAxis,
xRules,
yAxis,
yRules,
labels;
xRules = d3.svg.axis()
.scale(self.xScale)
.ticks(xTicks)
.tickSize(-self._height)
.tickFormat(o.tickFormatX)
.orient('bottom');
xAxis = self._gScale.selectAll('g.axisX')
.data(emptyData);
xAxis.enter().append('g')
.attr('class', 'axis axisX')
.attr('transform', 'translate(0,' + bottom + ')');
xAxis.call(xRules);
labels = self._gScale.selectAll('.axisX g')[0];
if (labels.length > (self._width / 80)) {
labels.sort(function (a, b) {
var r = /translate\(([^,)]+)/;
a = a.getAttribute('transform').match(r);
b = b.getAttribute('transform').match(r);
return parseFloat(a[1], 10) - parseFloat(b[1], 10);
});
d3.selectAll(labels)
.filter(function (d, i) {
return i % (Math.ceil(labels.length / xTicks) + 1);
})
.remove();
}
yRules = d3.svg.axis()
.scale(self.yScale)
.ticks(yTicks)
.tickSize(-self._width - o.axisPaddingRight - o.axisPaddingLeft)
.tickFormat(o.tickFormatY)
.orient('left');
yAxis = self._gScale.selectAll('g.axisY')
.data(emptyData);
yAxis.enter().append('g')
.attr('class', 'axis axisY')
.attr('transform', 'translate(0,0)');
t.selectAll('g.axisY')
.call(yRules);
// zero line
zLine = self._gScale.selectAll('g.axisZero')
.data([[]]);
zLine.enter().append('g')
.attr('class', 'axisZero');
zLinePath = zLine.selectAll('line')
.data([[]]);
zLinePath.enter().append('line')
.attr('x1', 0)
.attr('x2', self._width + o.axisPaddingLeft + o.axisPaddingRight)
.attr('y1', self.yZero)
.attr('y2', self.yZero);
zLinePath.transition().duration(o.timing)
.attr('y1', self.yZero)
.attr('y2', self.yZero);
},
/**
* Update the x and y scales (used when drawing)
*
* Optional methods in drawing types:
* preUpdateScale
* postUpdateScale
*
* Example implementation in vis type:
*
* function postUpdateScale(self, scaleData, mainData, compData) {
* self.xScale2 = d3.scale.ordinal()
* .domain(d3.range(0, mainData.length))
* .rangeRoundBands([0, self.xScale.rangeBand()], 0.08);
* }
*
*/
_updateScale: function () {
var self = this,
_unionData = function () {
return _.union(self._mainData, self._compData);
},
scaleData = _unionData(),
vis = self._vis,
scale,
min;
delete self.xScale;
delete self.yScale;
delete self.yZero;
if (vis.hasOwnProperty('preUpdateScale')) {
vis.preUpdateScale(self, scaleData, self._mainData, self._compData);
}
// Just in case preUpdateScale modified
scaleData = _unionData();
scale = _scales.xy(self, scaleData, self._xScaleType, self._yScaleType);
self.xScale = scale.x;
self.yScale = scale.y;
min = self.yScale.domain()[0];
self.yZero = (min > 0) ? self.yScale(min) : self.yScale(0);
if (vis.hasOwnProperty('postUpdateScale')) {
vis.postUpdateScale(self, scaleData, self._mainData, self._compData);
}
},
/**
* Create (Enter) the elements for the vis
*
* Required method
*
* Example implementation in vis type:
*
* function enter(self, data, callbacks) {
* var foo = self._g.selectAll('g.foobar')
* .data(data);
* foo.enter().append('g')
* .attr('class', 'foobar');
* self.foo = foo;
* }
*/
_enter: function (vis, storage, data, className) {
var self = this,
callbacks = {
click: self._options.click,
mouseover: self._options.mouseover,
mouseout: self._options.mouseout
};
self._checkVisMethod(vis, 'enter');
vis.enter(self, storage, className, data, callbacks);
},
/**
* Update the elements opened by the select method
*
* Required method
*
* Example implementation in vis type:
*
* function update(self, timing) {
* self.bars.transition().duration(timing)
* .attr('width', self.xScale2.rangeBand())
* .attr('height', function (d) {
* return self.yScale(d.y);
* });
* }
*/
_update: function (vis, storage) {
var self = this;
self._checkVisMethod(vis, 'update');
vis.update(self, storage, self._options.timing);
},
/**
* Remove or transition out the elements that no longer have data
*
* Required method
*
* Example implementation in vis type:
*
* function exit(self) {
* self.bars.exit().remove();
* }
*/
_exit: function (vis, storage) {
var self = this;
self._checkVisMethod(vis, 'exit');
vis.exit(self, storage, self._options.timing);
},
/**
* Destroy the current vis type (transition to new type)
*
* Required method
*
* Example implementation in vis type:
*
* function destroy(self, timing) {
* self.bars.transition().duration(timing)
* attr('height', 0);
* delete self.bars;
* }
*/
_destroy: function (vis, storage) {
var self = this;
self._checkVisMethod(vis, 'destroy');
try {
vis.destroy(self, storage, self._options.timing);
} catch (e) {}
},
/**
* Draw the visualization
*/
_draw: function () {
var self = this,
o = self._options,
comp,
compKeys;
self._noData = _.flatten(_.pluck(self._mainData, 'data')
.concat(_.pluck(self._compData, 'data'))).length === 0;
self._updateScale();
self._drawAxes();
self._enter(self._vis, self._mainStorage, self._mainData, '.main');
self._exit(self._vis, self._mainStorage);
self._update(self._vis, self._mainStorage);
comp = _.chain(self._compData).groupBy(function (d) {
return d.type;
});
compKeys = comp.keys();
// Find old comp vis items and remove any that no longer exist
_.each(self._compStorage, function (d, key) {
if (-1 === compKeys.indexOf(key).value()) {
var vis = _vis[key];
self._enter(vis, d, [], '.comp.' + key.replace(/\W+/g, ''));
self._exit(vis, d);
}
});
comp.each(function (d, key) {
var vis = _vis[key], storage;
if (!self._compStorage.hasOwnProperty(key)) {
self._compStorage[key] = {};
}
storage = self._compStorage[key];
self._enter(vis, storage, d, '.comp.' + key.replace(/\W+/g, ''));
self._exit(vis, storage);
self._update(vis, storage);
});
if (self._noData) {
o.empty(self, self._selector, self._mainData);
} else {
o.notempty(self, self._selector);
}
},
/**
* Ensure drawing method exists
*/
_checkVisMethod: function (vis, method) {
var self = this;
if (!vis[method]) {
throw 'Required method "' + method + '" not found on vis type "' +
self._type + '".';
}
}
});
if (typeof define === 'function' && define.amd && typeof define.amd === 'object') {
define(function () {
return xChart;
});
return;
}
window.xChart = xChart;
}());