devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/viz/pie_chart.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import consts from "./components/consts";
import {
normalizeAngle,
getVerticallyShiftedAngularCoords as _getVerticallyShiftedAngularCoords,
patchFontOptions
} from "./core/utils";
import {
extend as _extend
} from "../core/utils/extend";
import {
isNumeric
} from "../core/utils/type";
import {
each as _each
} from "../core/utils/iterator";
import {
Range
} from "./translators/range";
import registerComponent from "../core/component_registrator";
import {
BaseChart,
overlapping
} from "./chart_components/base_chart";
import {
noop as _noop
} from "../core/utils/common";
import {
Translator1D
} from "./translators/translator1d";
var {
states: states
} = consts;
var seriesSpacing = consts.pieSeriesSpacing;
var OPTIONS_FOR_REFRESH_SERIES = ["startAngle", "innerRadius", "segmentsDirection", "type"];
var NORMAL_STATE = states.normalMark;
var HOVER_STATE = states.hoverMark;
var SELECTED_STATE = states.selectedMark;
var MAX_RESOLVE_ITERATION_COUNT = 5;
var LEGEND_ACTIONS = [states.resetItem, states.applyHover, states.applySelected, states.applySelected];
function getLegendItemAction(points) {
var state = NORMAL_STATE;
points.forEach(point => {
var _point$series;
var seriesOptions = null === (_point$series = point.series) || void 0 === _point$series ? void 0 : _point$series.getOptions();
var pointState = point.fullState;
if ("none" === (null === seriesOptions || void 0 === seriesOptions ? void 0 : seriesOptions.hoverMode)) {
pointState &= ~HOVER_STATE
}
if ("none" === (null === seriesOptions || void 0 === seriesOptions ? void 0 : seriesOptions.selectionMode)) {
pointState &= ~SELECTED_STATE
}
state |= pointState
});
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 pieSizeEqualizer = function() {
function removeFromList(list, item) {
return list.filter((function(li) {
return li !== item
}))
}
var pies = [];
var timers = {};
return {
queue: function(pie) {
var group = pie.getSizeGroup();
pies = (list = pies, item = pie, removeFromList(list, item).concat(item));
var list, item;
clearTimeout(timers[group]);
timers[group] = setTimeout((function() {
! function(group, allPies) {
var pies = allPies.filter(p => p._isVisible() && p.getSizeGroup() === group);
var minRadius = Math.min.apply(null, pies.map(p => p.getSizeGroupLayout().radius));
var minPie = pies.filter(p => p.getSizeGroupLayout().radius === minRadius);
pies.forEach(p => p.render({
force: true,
sizeGroupLayout: minPie.length ? minPie[0].getSizeGroupLayout() : {}
}))
}(group, pies)
}))
},
remove: function(pie) {
pies = removeFromList(pies, pie);
if (!pies.length) {
timers = {}
}
}
}
}();
var dxPieChart = BaseChart.inherit({
_themeSection: "pie",
_layoutManagerOptions: function() {
return _extend(true, {}, this.callBase(), {
piePercentage: correctPercentValue(this._themeManager.getOptions("diameter")),
minPiePercentage: correctPercentValue(this._themeManager.getOptions("minDiameter"))
})
},
_optionChangesOrder: ["CENTER_TEMPLATE"],
_optionChangesMap: {
diameter: "REINIT",
minDiameter: "REINIT",
sizeGroup: "REINIT",
centerTemplate: "CENTER_TEMPLATE"
},
_change_CENTER_TEMPLATE() {
this._renderExtraElements()
},
_disposeCore: function() {
pieSizeEqualizer.remove(this);
this.callBase();
this._centerTemplateGroup.linkOff().dispose()
},
_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 Translator1D).setCodomain(360, 0);
return {
getTranslator: function() {
return translator
},
setBusinessRange: function(range) {
translator.setDomain(range.min, range.max)
}
}
},
_populateBusinessRange: function() {
this.series.map((function(series) {
var range = new Range;
range.addRange(series.getRangeData().val);
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()
},
_getLegendOptions: function(item) {
var legendItem = this.callBase(item);
var legendData = legendItem.legendData;
legendData.argument = item.argument;
legendData.argumentIndex = item.argumentIndex;
legendData.points = [item];
return legendItem
},
_getLegendTargets: function() {
var that = this;
var itemsByArgument = {};
(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
}))
}));
var items = [];
_each(itemsByArgument, (function(_, points) {
points.forEach((function(point, index) {
if (0 === index) {
items.push(that._getLegendOptions(point));
return
}
var item = items[items.length - 1];
item.legendData.points.push(point);
if (!item.visible) {
item.visible = point.isVisible()
}
}))
}));
return items
},
_getLayoutTargets: function() {
return [{
canvas: this._canvas
}]
},
_getLayoutSeries: function(series, drawOptions) {
var layout;
var canvas = this._canvas;
var drawnLabels = false;
layout = this.layoutManager.applyPieChartSeriesLayout(canvas, series, true);
series.forEach((function(singleSeries) {
singleSeries.correctPosition(layout, canvas);
drawnLabels = singleSeries.drawLabelsWOPoints() || drawnLabels
}));
if (drawnLabels) {
layout = this.layoutManager.applyPieChartSeriesLayout(canvas, series, drawOptions.hideLayoutLabels)
}
series.forEach((function(singleSeries) {
singleSeries.hideLabels()
}));
this._sizeGroupLayout = {
x: layout.centerX,
y: layout.centerY,
radius: layout.radiusOuter,
drawOptions: drawOptions
};
return layout
},
_getLayoutSeriesForEqualPies: function(series, sizeGroupLayout) {
var canvas = this._canvas;
var layout = this.layoutManager.applyEqualPieChartLayout(series, sizeGroupLayout);
series.forEach((function(s) {
s.correctPosition(layout, canvas);
s.drawLabelsWOPoints()
}));
this.layoutManager.correctPieLabelRadius(series, layout, canvas);
return layout
},
_updateSeriesDimensions: function(drawOptions) {
var visibleSeries = this._getVisibleSeries();
var lengthVisibleSeries = visibleSeries.length;
var innerRad;
var delta;
var layout;
var sizeGroupLayout = drawOptions.sizeGroupLayout;
if (lengthVisibleSeries) {
layout = sizeGroupLayout ? this._getLayoutSeriesForEqualPies(visibleSeries, sizeGroupLayout) : this._getLayoutSeries(visibleSeries, drawOptions);
delta = (layout.radiusOuter - layout.radiusInner - seriesSpacing * (lengthVisibleSeries - 1)) / lengthVisibleSeries;
innerRad = layout.radiusInner;
this._setGeometry(layout);
visibleSeries.forEach((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, isLegendInside)
},
_createHtmlStructure() {
this.callBase();
this._centerTemplateGroup = this._renderer.g().attr({
class: "dxc-hole-template"
}).linkOn(this._renderer.root, "center-template").css(patchFontOptions(this._themeManager._font)).linkAppend()
},
_renderExtraElements() {
var template = this.option("centerTemplate");
var centerTemplateGroup = this._centerTemplateGroup.clear();
if (!template) {
return
}
centerTemplateGroup.attr({
visibility: "hidden"
});
template = this._getTemplate(template);
template.render({
model: this,
container: centerTemplateGroup.element,
onRendered: () => {
var group = centerTemplateGroup;
var bBox = group.getBBox();
group.move(this._center.x - (bBox.x + bBox.width / 2), this._center.y - (bBox.y + bBox.height / 2));
group.attr({
visibility: "visible"
})
}
})
},
getInnerRadius() {
return this._innerRadius
},
_getLegendCallBack: function() {
var that = this;
var legend = this._legend;
var items = this._getLegendTargets().map((function(i) {
return i.legendData
}));
return function(target) {
items.forEach((function(data) {
var points = [];
var 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))
}))
}
},
_locateLabels(resolveLabelOverlapping) {
var iterationCount = 0;
var labelsWereOverlapped;
var wordWrapApplied;
do {
wordWrapApplied = this._adjustSeriesLabels("shift" === resolveLabelOverlapping);
labelsWereOverlapped = this._resolveLabelOverlapping(resolveLabelOverlapping)
} while ((labelsWereOverlapped || wordWrapApplied) && ++iterationCount < MAX_RESOLVE_ITERATION_COUNT)
},
_adjustSeriesLabels: function(moveLabelsFromCenter) {
return this.series.reduce((r, s) => s.adjustLabels(moveLabelsFromCenter) || r, false)
},
_applyExtraSettings: _noop,
_resolveLabelOverlappingShift: function() {
var that = this;
var inverseDirection = "anticlockwise" === that.option("segmentsDirection");
var seriesByPosition = that.series.reduce((function(r, s) {
(r[s.getOptions().label.position] || r.outside).push(s);
return r
}), {
inside: [],
columns: [],
outside: []
});
var labelsOverlapped = false;
if (seriesByPosition.inside.length > 0) {
labelsOverlapped = resolve(seriesByPosition.inside.reduce((function(r, singleSeries) {
return singleSeries.getVisiblePoints().reduce((function(r, point) {
r.left.push(point);
return r
}), r)
}), {
left: [],
right: []
}), shiftInColumnFunction) || labelsOverlapped
}
labelsOverlapped = seriesByPosition.columns.reduce((r, singleSeries) => resolve(dividePoints(singleSeries), shiftInColumnFunction) || r, labelsOverlapped);
if (seriesByPosition.outside.length > 0) {
labelsOverlapped = resolve(seriesByPosition.outside.reduce((function(r, singleSeries) {
return dividePoints(singleSeries, r)
}), null), (function(box, length) {
return _getVerticallyShiftedAngularCoords(box, -length, that._center)
})) || labelsOverlapped
}
return labelsOverlapped;
function dividePoints(series, points) {
return series.getVisiblePoints().reduce((function(r, point) {
var angle = normalizeAngle(point.middleAngle);
(angle <= 90 || angle >= 270 ? r.right : r.left).push(point);
return r
}), points || {
left: [],
right: []
})
}
function resolve(points, shiftCallback) {
var overlapped;
if (inverseDirection) {
points.left.reverse();
points.right.reverse()
}
overlapped = overlapping.resolveLabelOverlappingInOneDirection(points.left, that._canvas, false, shiftCallback);
return overlapping.resolveLabelOverlappingInOneDirection(points.right, that._canvas, false, shiftCallback) || overlapped
}
function shiftInColumnFunction(box, length) {
return {
x: box.x,
y: box.y - length
}
}
},
_setGeometry: function(_ref) {
var {
centerX: x,
centerY: y,
radiusInner: radiusInner
} = _ref;
this._center = {
x: x,
y: y
};
this._innerRadius = radiusInner
},
_disposeSeries(seriesIndex) {
this.callBase.apply(this, arguments);
this._abstractSeries = null
},
_legendDataField: "point",
_legendItemTextField: "argument",
_applyPointMarkersAutoHiding: _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() {
return {
startAngle: this.option("startAngle"),
innerRadius: this.option("innerRadius"),
segmentsDirection: this.option("segmentsDirection"),
type: this.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"
}));
import {
plugins
} from "./core/annotations";
dxPieChart.addPlugin(plugins.core);
dxPieChart.addPlugin(plugins.pieChart);
registerComponent("dxPieChart", dxPieChart);
export default dxPieChart;