254 lines
9.9 KiB
JavaScript
254 lines
9.9 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import * as zrUtil from 'zrender/lib/core/util.js';
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import { parsePercent } from '../util/number.js';
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import { isDimensionStacked } from '../data/helper/dataStackHelper.js';
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function getSeriesStackId(seriesModel) {
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return seriesModel.get('stack') || '__ec_stack_' + seriesModel.seriesIndex;
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}
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function getAxisKey(polar, axis) {
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return axis.dim + polar.model.componentIndex;
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}
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function barLayoutPolar(seriesType, ecModel, api) {
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var lastStackCoords = {};
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var barWidthAndOffset = calRadialBar(zrUtil.filter(ecModel.getSeriesByType(seriesType), function (seriesModel) {
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return !ecModel.isSeriesFiltered(seriesModel) && seriesModel.coordinateSystem && seriesModel.coordinateSystem.type === 'polar';
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}));
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ecModel.eachSeriesByType(seriesType, function (seriesModel) {
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// Check series coordinate, do layout for polar only
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if (seriesModel.coordinateSystem.type !== 'polar') {
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return;
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}
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var data = seriesModel.getData();
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var polar = seriesModel.coordinateSystem;
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var baseAxis = polar.getBaseAxis();
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var axisKey = getAxisKey(polar, baseAxis);
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var stackId = getSeriesStackId(seriesModel);
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var columnLayoutInfo = barWidthAndOffset[axisKey][stackId];
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var columnOffset = columnLayoutInfo.offset;
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var columnWidth = columnLayoutInfo.width;
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var valueAxis = polar.getOtherAxis(baseAxis);
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var cx = seriesModel.coordinateSystem.cx;
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var cy = seriesModel.coordinateSystem.cy;
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var barMinHeight = seriesModel.get('barMinHeight') || 0;
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var barMinAngle = seriesModel.get('barMinAngle') || 0;
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lastStackCoords[stackId] = lastStackCoords[stackId] || [];
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var valueDim = data.mapDimension(valueAxis.dim);
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var baseDim = data.mapDimension(baseAxis.dim);
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var stacked = isDimensionStacked(data, valueDim /* , baseDim */);
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var clampLayout = baseAxis.dim !== 'radius' || !seriesModel.get('roundCap', true);
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var valueAxisStart = valueAxis.dataToCoord(0);
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for (var idx = 0, len = data.count(); idx < len; idx++) {
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var value = data.get(valueDim, idx);
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var baseValue = data.get(baseDim, idx);
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var sign = value >= 0 ? 'p' : 'n';
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var baseCoord = valueAxisStart;
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// Because of the barMinHeight, we can not use the value in
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// stackResultDimension directly.
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// Only ordinal axis can be stacked.
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if (stacked) {
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if (!lastStackCoords[stackId][baseValue]) {
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lastStackCoords[stackId][baseValue] = {
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p: valueAxisStart,
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n: valueAxisStart // Negative stack
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};
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}
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// Should also consider #4243
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baseCoord = lastStackCoords[stackId][baseValue][sign];
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}
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var r0 = void 0;
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var r = void 0;
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var startAngle = void 0;
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var endAngle = void 0;
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// radial sector
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if (valueAxis.dim === 'radius') {
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var radiusSpan = valueAxis.dataToCoord(value) - valueAxisStart;
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var angle = baseAxis.dataToCoord(baseValue);
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if (Math.abs(radiusSpan) < barMinHeight) {
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radiusSpan = (radiusSpan < 0 ? -1 : 1) * barMinHeight;
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}
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r0 = baseCoord;
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r = baseCoord + radiusSpan;
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startAngle = angle - columnOffset;
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endAngle = startAngle - columnWidth;
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stacked && (lastStackCoords[stackId][baseValue][sign] = r);
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}
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// tangential sector
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else {
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var angleSpan = valueAxis.dataToCoord(value, clampLayout) - valueAxisStart;
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var radius = baseAxis.dataToCoord(baseValue);
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if (Math.abs(angleSpan) < barMinAngle) {
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angleSpan = (angleSpan < 0 ? -1 : 1) * barMinAngle;
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}
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r0 = radius + columnOffset;
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r = r0 + columnWidth;
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startAngle = baseCoord;
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endAngle = baseCoord + angleSpan;
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// if the previous stack is at the end of the ring,
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// add a round to differentiate it from origin
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// let extent = angleAxis.getExtent();
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// let stackCoord = angle;
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// if (stackCoord === extent[0] && value > 0) {
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// stackCoord = extent[1];
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// }
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// else if (stackCoord === extent[1] && value < 0) {
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// stackCoord = extent[0];
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// }
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stacked && (lastStackCoords[stackId][baseValue][sign] = endAngle);
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}
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data.setItemLayout(idx, {
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cx: cx,
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cy: cy,
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r0: r0,
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r: r,
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// Consider that positive angle is anti-clockwise,
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// while positive radian of sector is clockwise
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startAngle: -startAngle * Math.PI / 180,
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endAngle: -endAngle * Math.PI / 180,
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/**
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* Keep the same logic with bar in catesion: use end value to
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* control direction. Notice that if clockwise is true (by
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* default), the sector will always draw clockwisely, no matter
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* whether endAngle is greater or less than startAngle.
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*/
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clockwise: startAngle >= endAngle
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});
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}
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});
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}
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/**
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* Calculate bar width and offset for radial bar charts
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*/
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function calRadialBar(barSeries) {
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// Columns info on each category axis. Key is polar name
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var columnsMap = {};
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zrUtil.each(barSeries, function (seriesModel, idx) {
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var data = seriesModel.getData();
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var polar = seriesModel.coordinateSystem;
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var baseAxis = polar.getBaseAxis();
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var axisKey = getAxisKey(polar, baseAxis);
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var axisExtent = baseAxis.getExtent();
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var bandWidth = baseAxis.type === 'category' ? baseAxis.getBandWidth() : Math.abs(axisExtent[1] - axisExtent[0]) / data.count();
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var columnsOnAxis = columnsMap[axisKey] || {
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bandWidth: bandWidth,
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remainedWidth: bandWidth,
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autoWidthCount: 0,
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categoryGap: '20%',
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gap: '30%',
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stacks: {}
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};
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var stacks = columnsOnAxis.stacks;
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columnsMap[axisKey] = columnsOnAxis;
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var stackId = getSeriesStackId(seriesModel);
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if (!stacks[stackId]) {
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columnsOnAxis.autoWidthCount++;
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}
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stacks[stackId] = stacks[stackId] || {
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width: 0,
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maxWidth: 0
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};
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var barWidth = parsePercent(seriesModel.get('barWidth'), bandWidth);
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var barMaxWidth = parsePercent(seriesModel.get('barMaxWidth'), bandWidth);
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var barGap = seriesModel.get('barGap');
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var barCategoryGap = seriesModel.get('barCategoryGap');
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if (barWidth && !stacks[stackId].width) {
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barWidth = Math.min(columnsOnAxis.remainedWidth, barWidth);
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stacks[stackId].width = barWidth;
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columnsOnAxis.remainedWidth -= barWidth;
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}
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barMaxWidth && (stacks[stackId].maxWidth = barMaxWidth);
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barGap != null && (columnsOnAxis.gap = barGap);
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barCategoryGap != null && (columnsOnAxis.categoryGap = barCategoryGap);
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});
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var result = {};
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zrUtil.each(columnsMap, function (columnsOnAxis, coordSysName) {
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result[coordSysName] = {};
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var stacks = columnsOnAxis.stacks;
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var bandWidth = columnsOnAxis.bandWidth;
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var categoryGap = parsePercent(columnsOnAxis.categoryGap, bandWidth);
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var barGapPercent = parsePercent(columnsOnAxis.gap, 1);
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var remainedWidth = columnsOnAxis.remainedWidth;
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var autoWidthCount = columnsOnAxis.autoWidthCount;
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var autoWidth = (remainedWidth - categoryGap) / (autoWidthCount + (autoWidthCount - 1) * barGapPercent);
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autoWidth = Math.max(autoWidth, 0);
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// Find if any auto calculated bar exceeded maxBarWidth
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zrUtil.each(stacks, function (column, stack) {
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var maxWidth = column.maxWidth;
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if (maxWidth && maxWidth < autoWidth) {
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maxWidth = Math.min(maxWidth, remainedWidth);
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if (column.width) {
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maxWidth = Math.min(maxWidth, column.width);
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}
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remainedWidth -= maxWidth;
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column.width = maxWidth;
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autoWidthCount--;
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}
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});
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// Recalculate width again
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autoWidth = (remainedWidth - categoryGap) / (autoWidthCount + (autoWidthCount - 1) * barGapPercent);
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autoWidth = Math.max(autoWidth, 0);
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var widthSum = 0;
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var lastColumn;
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zrUtil.each(stacks, function (column, idx) {
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if (!column.width) {
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column.width = autoWidth;
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}
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lastColumn = column;
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widthSum += column.width * (1 + barGapPercent);
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});
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if (lastColumn) {
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widthSum -= lastColumn.width * barGapPercent;
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}
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var offset = -widthSum / 2;
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zrUtil.each(stacks, function (column, stackId) {
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result[coordSysName][stackId] = result[coordSysName][stackId] || {
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offset: offset,
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width: column.width
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};
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offset += column.width * (1 + barGapPercent);
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});
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});
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return result;
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}
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export default barLayoutPolar; |