devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (viz/pie_chart.js)
* Version: 18.1.3
* Build date: Tue May 15 2018
*
* Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var errors = require("../core/errors"),
seriesConsts = require("./components/consts"),
vizUtils = require("./core/utils"),
extend = require("../core/utils/extend").extend,
isNumeric = require("../core/utils/type").isNumeric,
each = require("../core/utils/iterator").each,
rangeModule = require("./translators/range"),
registerComponent = require("../core/component_registrator"),
baseChartModule = require("./chart_components/base_chart"),
BaseChart = baseChartModule.BaseChart,
overlapping = baseChartModule.overlapping,
seriesSpacing = seriesConsts.pieSeriesSpacing,
translator1DModule = require("./translators/translator1d"),
OPTIONS_FOR_REFRESH_SERIES = ["startAngle", "innerRadius", "segmentsDirection", "type"],
_extend = extend,
_each = each,
_noop = require("../core/utils/common").noop,
_getVerticallyShiftedAngularCoords = require("./core/utils").getVerticallyShiftedAngularCoords,
states = seriesConsts.states,
NORMAL_STATE = states.normalMark,
LEGEND_ACTIONS = [states.resetItem, states.applyHover, states.applySelected, states.applySelected];
function getLegendItemAction(points) {
var state = NORMAL_STATE;
points.forEach(function(point) {
state |= point.fullState
});
return LEGEND_ACTIONS[state]
}
function correctPercentValue(value) {
if (isNumeric(value)) {
if (value > 1) {
value = 1
} else {
if (value < 0) {
value = 0
}
}
} else {
value = void 0
}
return value
}
var dxPieChart = BaseChart.inherit({
_setDeprecatedOptions: function() {
this.callBase.apply(this, arguments);
_extend(this._deprecatedOptions, {
"series.innerRadius": {
since: "15.2",
message: "Use the 'innerRadius' option instead"
},
"series.startAngle": {
since: "15.2",
message: "Use the 'startAngle' option instead"
},
"series.segmentsDirection": {
since: "15.2",
message: "Use the 'segmentsDirection' option instead"
},
"series.type": {
since: "15.2",
message: "Use the 'type' option instead"
}
})
},
_chartType: "pie",
_layoutManagerOptions: function() {
return _extend(true, {}, this.callBase(), {
piePercentage: correctPercentValue(this._themeManager.getOptions("diameter")),
minPiePercentage: correctPercentValue(this._themeManager.getOptions("minDiameter"))
})
},
_optionChangesMap: {
diameter: "REINIT",
minDiameter: "REINIT",
sizeGroup: "REINIT"
},
_disposeCore: function() {
pieSizeEqualizer.remove(this);
this.callBase()
},
_groupSeries: function() {
var series = this.series;
this._groupsData = {
groups: [{
series: series,
valueOptions: {
valueType: "numeric"
}
}],
argumentOptions: series[0] && series[0].getOptions()
}
},
_getArgumentAxis: function() {
return null
},
_getValueAxis: function() {
var translator = (new translator1DModule.Translator1D).setCodomain(360, 0);
return {
getTranslator: function() {
return translator
},
setBusinessRange: function(range) {
translator.setDomain(range.min, range.max)
}
}
},
_populateBusinessRange: function() {
this.businessRanges = this.series.map(function(series) {
var range = new rangeModule.Range;
range.addRange(series.getRangeData().val);
if (!range.isDefined()) {
range.setStubData()
}
series.getValueAxis().setBusinessRange(range);
return range
})
},
_specialProcessSeries: function() {
_each(this.series, function(_, singleSeries) {
singleSeries.arrangePoints()
})
},
_checkPaneName: function() {
return true
},
_processSingleSeries: function(singleSeries) {
this.callBase(singleSeries);
singleSeries.arrangePoints()
},
_handleSeriesDataUpdated: function() {
var maxPointCount = 0;
this.series.forEach(function(s) {
maxPointCount = Math.max(s.getPointsCount(), maxPointCount)
});
this.series.forEach(function(s) {
s.setMaxPointsCount(maxPointCount)
});
this.callBase()
},
_getLegendTargets: function() {
var that = this,
itemsByArgument = {},
items = [];
that.series.forEach(function(series) {
series.getPoints().forEach(function(point) {
var argument = point.argument.valueOf();
var index = series.getPointsByArg(argument).indexOf(point);
var key = argument.valueOf().toString() + index;
itemsByArgument[key] = itemsByArgument[key] || [];
var argumentCount = itemsByArgument[key].push(point);
point.index = itemsByArgument[key][argumentCount - 2] ? itemsByArgument[key][argumentCount - 2].index : Object.keys(itemsByArgument).length - 1;
point.argumentIndex = index
})
});
_each(itemsByArgument, function(_, points) {
points.forEach(function(point, index) {
if (0 === index) {
items.push(that._getLegendOptions(point))
} else {
if (!items[items.length - 1].visible) {
items[items.length - 1].visible = point.isVisible()
}
}
})
});
return items
},
_getLayoutTargets: function() {
return [{
canvas: this._canvas
}]
},
_getLayoutSeries: function(series, drawOptions) {
var layout, that = this,
canvas = that._canvas,
drawnLabels = false;
layout = that.layoutManager.applyPieChartSeriesLayout(canvas, series, true);
series.forEach(function(singleSeries) {
singleSeries.correctPosition(layout, canvas);
drawnLabels = singleSeries.drawLabelsWOPoints() || drawnLabels
});
if (drawnLabels) {
layout = that.layoutManager.applyPieChartSeriesLayout(canvas, series, drawOptions.hideLayoutLabels)
}
series.forEach(function(singleSeries) {
singleSeries.hideLabels()
});
that._sizeGroupLayout = {
x: layout.centerX,
y: layout.centerY,
radius: layout.radiusOuter,
drawOptions: drawOptions
};
return layout
},
_getLayoutSeriesForEqualPies: function(series, sizeGroupLayout) {
var canvas = this._canvas,
layout = this.layoutManager.applyEqualPieChartLayout(series, sizeGroupLayout);
series.forEach(function(s) {
s.correctPosition(layout, canvas)
});
return layout
},
_updateSeriesDimensions: function(drawOptions) {
var innerRad, delta, layout, that = this,
visibleSeries = that._getVisibleSeries(),
lengthVisibleSeries = visibleSeries.length,
sizeGroupLayout = drawOptions.sizeGroupLayout;
if (lengthVisibleSeries) {
layout = sizeGroupLayout ? that._getLayoutSeriesForEqualPies(visibleSeries, sizeGroupLayout) : that._getLayoutSeries(visibleSeries, drawOptions);
delta = (layout.radiusOuter - layout.radiusInner - seriesSpacing * (lengthVisibleSeries - 1)) / lengthVisibleSeries;
innerRad = layout.radiusInner;
that._setCenter({
x: layout.centerX,
y: layout.centerY
});
_each(visibleSeries, function(_, singleSeries) {
singleSeries.correctRadius({
radiusInner: innerRad,
radiusOuter: innerRad + delta
});
innerRad += delta + seriesSpacing
})
}
},
_renderSeries: function(drawOptions, isRotated, isLegendInside) {
this._calculateSeriesLayout(drawOptions, isRotated);
if (!drawOptions.sizeGroupLayout && this.getSizeGroup()) {
pieSizeEqualizer.queue(this);
this._clearCanvas();
return
}
this._renderSeriesElements(drawOptions, isRotated, isLegendInside)
},
_getLegendCallBack: function() {
var that = this,
legend = this._legend,
items = this._getLegendTargets().map(function(i) {
return i.legendData
});
return function(target) {
items.forEach(function(data) {
var points = [],
callback = legend.getActionCallback({
index: data.id
});
that.series.forEach(function(series) {
var seriesPoints = series.getPointsByKeys(data.argument, data.argumentIndex);
points.push.apply(points, seriesPoints)
});
if (target && target.argument === data.argument && target.argumentIndex === data.argumentIndex) {
points.push(target)
}
callback(getLegendItemAction(points))
})
}
},
_adjustSeriesLabels: function(moveLabelsFromCenter) {
this.series.forEach(function(series) {
series.adjustLabels(moveLabelsFromCenter)
})
},
_prepareStackPoints: _noop,
_resetStackPoints: _noop,
_applyExtraSettings: _noop,
_resolveLabelOverlappingShift: function() {
var that = this,
inverseDirection = "anticlockwise" === that.option("segmentsDirection"),
seriesByPosition = that.series.reduce(function(r, s) {
(r[s.getOptions().label.position] || r.outside).push(s);
return r
}, {
inside: [],
columns: [],
outside: []
});
if (seriesByPosition.inside.length > 0) {
resolve(seriesByPosition.inside.reduce(function(r, singleSeries) {
return singleSeries.getVisiblePoints().reduce(function(r, point) {
r.left.push(point);
return r
}, r)
}, {
left: [],
right: []
}), shiftInColumnFunction)
}
seriesByPosition.columns.forEach(function(singleSeries) {
resolve(dividePoints(singleSeries), shiftInColumnFunction)
});
if (seriesByPosition.outside.length > 0) {
resolve(seriesByPosition.outside.reduce(function(r, singleSeries) {
return dividePoints(singleSeries, r)
}, null), shiftFunction);
that._adjustSeriesLabels(true)
}
function dividePoints(series, points) {
return series.getVisiblePoints().reduce(function(r, point) {
var angle = vizUtils.normalizeAngle(point.middleAngle);
(angle <= 90 || angle >= 270 ? r.right : r.left).push(point);
return r
}, points || {
left: [],
right: []
})
}
function resolve(points, shiftCallback) {
if (inverseDirection) {
points.left.reverse();
points.right.reverse()
}
overlapping.resolveLabelOverlappingInOneDirection(points.left, that._canvas, false, shiftCallback);
overlapping.resolveLabelOverlappingInOneDirection(points.right, that._canvas, false, shiftCallback)
}
function shiftFunction(box, length) {
return _getVerticallyShiftedAngularCoords(box, -length, that._center)
}
function shiftInColumnFunction(box, length) {
return {
x: box.x,
y: box.y - length
}
}
},
_setCenter: function(center) {
this._center = center
},
_disposeSeries: function() {
this.callBase.apply(this, arguments);
this._abstractSeries = null
},
getSeries: function() {
errors.log("W0002", "dxPieChart", "getSeries", "15.2", "Use the 'getAllSeries' method instead");
return this.series[0]
},
_legendDataField: "point",
_legendItemTextField: "argument",
_updateLegendPosition: _noop,
_renderTrackers: _noop,
_trackerType: "PieTracker",
_createScrollBar: _noop,
_updateAxesLayout: _noop,
_applyClipRects: _noop,
_appendAdditionalSeriesGroups: _noop,
_prepareToRender: _noop,
_isLegendInside: _noop,
_renderAxes: _noop,
_shrinkAxes: _noop,
_isRotated: _noop,
_seriesPopulatedHandlerCore: _noop,
_reinitAxes: _noop,
_correctAxes: _noop,
_getExtraOptions: function() {
var that = this;
return {
startAngle: that.option("startAngle"),
innerRadius: that.option("innerRadius"),
segmentsDirection: that.option("segmentsDirection"),
type: that.option("type")
}
},
getSizeGroup: function() {
return this._themeManager.getOptions("sizeGroup")
},
getSizeGroupLayout: function() {
return this._sizeGroupLayout || {}
}
});
_each(OPTIONS_FOR_REFRESH_SERIES, function(_, name) {
dxPieChart.prototype._optionChangesMap[name] = "REFRESH_SERIES_DATA_INIT"
});
registerComponent("dxPieChart", dxPieChart);
module.exports = dxPieChart;
var pieSizeEqualizer = function() {
function equalize(group, allPies) {
var pies = allPies.filter(function(p) {
return p.getSizeGroup() === group
}),
minRadius = Math.min.apply(null, pies.map(function(p) {
return p.getSizeGroupLayout().radius
})),
minPie = pies.filter(function(p) {
return p.getSizeGroupLayout().radius === minRadius
});
pies.forEach(function(p) {
p.render({
force: true,
sizeGroupLayout: minPie.length ? minPie[0].getSizeGroupLayout() : {}
})
})
}
function removeFromList(list, item) {
return list.filter(function(li) {
return li !== item
})
}
function addToList(list, item) {
return removeFromList(list, item).concat(item)
}
var pies = [],
timers = {};
return {
queue: function(pie) {
var group = pie.getSizeGroup();
pies = addToList(pies, pie);
clearTimeout(timers[group]);
timers[group] = setTimeout(function() {
equalize(group, pies)
})
},
remove: function(pie) {
pies = removeFromList(pies, pie);
if (!pies.length) {
timers = {}
}
}
}
}();
module.exports.default = module.exports;