/** * DevExtreme (viz/series/pie_series.js) * Version: 19.1.16 * Build date: Tue Oct 18 2022 * * Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/ */ "use strict"; var noop = require("../../core/utils/common").noop; var each = require("../../core/utils/iterator").each; var scatterSeries = require("./scatter_series"); var vizUtils = require("../core/utils"); var extend = require("../../core/utils/extend").extend; var chartScatterSeries = scatterSeries.chart; var barSeries = require("./bar_series").chart.bar; var _extend = extend; var _each = each; var _noop = noop; var _map = vizUtils.map; var _isFinite = isFinite; var _max = Math.max; var ANIMATION_DURATION = .7; var INSIDE = "inside"; exports.pie = _extend({}, barSeries, { _setGroupsSettings: function() { chartScatterSeries._setGroupsSettings.apply(this, arguments); this._labelsGroup.attr({ "pointer-events": null }) }, _createErrorBarGroup: _noop, _drawPoint: function(options) { var point = options.point; var legendCallback = this._legendCallback; chartScatterSeries._drawPoint.call(this, options); !point.isVisible() && point.setInvisibility(); point.isSelected() && legendCallback() }, _getOldPoint: function(data, oldPointsByArgument, index) { var point = (this._points || [])[index]; if (point) { oldPointsByArgument[point.argument.valueOf()] = oldPointsByArgument[point.argument.valueOf()].filter(function(p) { return p !== point }) } return point }, adjustLabels: function(moveLabelsFromCenter) { return (this._points || []).reduce(function(r, p) { if (p._label.isVisible()) { p.setLabelTrackerData(); r = p.applyWordWrap(moveLabelsFromCenter) || r; p.updateLabelCoord(moveLabelsFromCenter); return r } }, false) }, _applyElementsClipRect: _noop, getColor: _noop, areErrorBarsVisible: _noop, drawLabelsWOPoints: function() { var that = this; if (that._options.label.position === INSIDE) { return false } that._labelsGroup.append(that._extGroups.labelsGroup); (that._points || []).forEach(function(point) { point.drawLabel() }); return true }, getPointsCount: function() { var _this = this; return this._data.filter(function(d) { return _this._checkData(d) }).length }, setMaxPointsCount: function(count) { this._pointsCount = count }, _getCreatingPointOptions: function(data, dataIndex) { return this._getPointOptions(data, dataIndex) }, _updateOptions: function(options) { this.labelSpace = 0; this.innerRadius = "pie" === this.type ? 0 : options.innerRadius }, _checkData: function(data, skippedFields) { var base = barSeries._checkData.call(this, data, skippedFields, { value: this.getValueFields()[0] }); return this._options.paintNullPoints ? base : base && null !== data.value }, _createGroups: chartScatterSeries._createGroups, _setMarkerGroupSettings: function() { this._markersGroup.attr({ "class": "dxc-markers" }) }, _getMainColor: function(data, point) { var pointsByArg = this.getPointsByArg(data.argument); var argumentIndex = point ? pointsByArg.indexOf(point) : pointsByArg.length; return this._options.mainSeriesColor(data.argument, argumentIndex, this._pointsCount) }, _getPointOptions: function(data) { return this._parsePointOptions(this._preparePointOptions(), this._options.label, data) }, _getRangeData: function() { return this._rangeData }, _createPointStyles: function(pointOptions, data, point) { var that = this; var mainColor = pointOptions.color || that._getMainColor(data, point); return { normal: that._parsePointStyle(pointOptions, mainColor, mainColor), hover: that._parsePointStyle(pointOptions.hoverStyle, mainColor, mainColor), selection: that._parsePointStyle(pointOptions.selectionStyle, mainColor, mainColor), legendStyles: { normal: that._createLegendState(pointOptions, mainColor), hover: that._createLegendState(pointOptions.hoverStyle, mainColor), selection: that._createLegendState(pointOptions.selectionStyle, mainColor) } } }, _getArrangeMinShownValue: function(points, total) { var minSegmentSize = this._options.minSegmentSize; var totalMinSegmentSize = 0; var totalNotMinValues = 0; total = total || points.length; _each(points, function(_, point) { if (point.isVisible()) { if (point.normalInitialValue < minSegmentSize * total / 360) { totalMinSegmentSize += minSegmentSize } else { totalNotMinValues += point.normalInitialValue } } }); return totalMinSegmentSize < 360 ? minSegmentSize * totalNotMinValues / (360 - totalMinSegmentSize) : 0 }, _applyArrangeCorrection: function(points, minShownValue, total) { var options = this._options; var isClockWise = "anticlockwise" !== options.segmentsDirection; var shiftedAngle = _isFinite(options.startAngle) ? vizUtils.normalizeAngle(options.startAngle) : 0; var minSegmentSize = options.minSegmentSize; var percent; var correction = 0; var zeroTotalCorrection = 0; if (0 === total) { total = points.filter(function(el) { return el.isVisible() }).length; zeroTotalCorrection = 1 } _each(isClockWise ? points : points.concat([]).reverse(), function(_, point) { var val = point.isVisible() ? zeroTotalCorrection || point.normalInitialValue : 0; var updatedZeroValue; if (minSegmentSize && point.isVisible() && val < minShownValue) { updatedZeroValue = minShownValue } percent = val / total; point.correctValue(correction, percent, zeroTotalCorrection + (updatedZeroValue || 0)); point.shiftedAngle = shiftedAngle; correction += updatedZeroValue || val }); this._rangeData = { val: { min: 0, max: correction } } }, _removePoint: function(point) { var points = this.getPointsByArg(point.argument); points.splice(points.indexOf(point), 1); point.dispose() }, arrangePoints: function() { var that = this; var originalPoints = that._points || []; var minSegmentSize = that._options.minSegmentSize; var minShownValue; var isAllPointsNegative = true; var i = 0; var len = originalPoints.length; while (i < len && isAllPointsNegative) { isAllPointsNegative = originalPoints[i].value <= 0; i++ } var points = that._points = _map(originalPoints, function(point) { if (null === point.value || !isAllPointsNegative && point.value < 0) { that._removePoint(point); return null } else { return point } }); var maxValue = points.reduce(function(max, p) { return _max(max, Math.abs(p.initialValue)) }, 0); points.forEach(function(p) { p.normalInitialValue = p.initialValue / (0 !== maxValue ? maxValue : 1) }); var total = points.reduce(function(total, point) { return total + (point.isVisible() ? point.normalInitialValue : 0) }, 0); if (minSegmentSize) { minShownValue = this._getArrangeMinShownValue(points, total) } that._applyArrangeCorrection(points, minShownValue, total) }, correctPosition: function(correction, canvas) { _each(this._points, function(_, point) { point.correctPosition(correction) }); this.setVisibleArea(canvas) }, correctRadius: function(correction) { this._points.forEach(function(point) { point.correctRadius(correction) }) }, correctLabelRadius: function(labelRadius) { this._points.forEach(function(point) { point.correctLabelRadius(labelRadius) }) }, setVisibleArea: function(canvas) { this._visibleArea = { minX: canvas.left, maxX: canvas.width - canvas.right, minY: canvas.top, maxY: canvas.height - canvas.bottom } }, _applyVisibleArea: _noop, _animate: function(firstDrawing) { var that = this; var points = that._points; var pointsCount = points && points.length; var completeFunc = function() { that._animateComplete() }; var animatePoint; if (firstDrawing) { animatePoint = function(p, i) { p.animate(i === pointsCount - 1 ? completeFunc : void 0, ANIMATION_DURATION, (1 - ANIMATION_DURATION) * i / (pointsCount - 1)) } } else { animatePoint = function(p, i) { p.animate(i === pointsCount - 1 ? completeFunc : void 0) } } points.forEach(animatePoint) }, getVisiblePoints: function() { return _map(this._points, function(p) { return p.isVisible() ? p : null }) }, getPointsByKeys: function(arg, argumentIndex) { var pointsByArg = this.getPointsByArg(arg); return pointsByArg[argumentIndex] && [pointsByArg[argumentIndex]] || [] } }); exports.doughnut = exports.donut = exports.pie;