/*
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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/src/core/util';
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import AxisBuilder from '../axis/AxisBuilder';
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import * as graphic from '../../util/graphic';
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import ComponentView from '../../view/Component';
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import RadarModel from '../../coord/radar/RadarModel';
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import GlobalModel from '../../model/Global';
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import ExtensionAPI from '../../core/ExtensionAPI';
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import { ZRColor } from '../../util/types';
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const axisBuilderAttrs = [
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'axisLine', 'axisTickLabel', 'axisName'
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] as const;
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class RadarView extends ComponentView {
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static type = 'radar';
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type = RadarView.type;
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render(radarModel: RadarModel, ecModel: GlobalModel, api: ExtensionAPI) {
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const group = this.group;
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group.removeAll();
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this._buildAxes(radarModel);
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this._buildSplitLineAndArea(radarModel);
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}
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_buildAxes(radarModel: RadarModel) {
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const radar = radarModel.coordinateSystem;
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const indicatorAxes = radar.getIndicatorAxes();
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const axisBuilders = zrUtil.map(indicatorAxes, function (indicatorAxis) {
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const axisBuilder = new AxisBuilder(indicatorAxis.model, {
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position: [radar.cx, radar.cy],
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rotation: indicatorAxis.angle,
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labelDirection: -1,
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tickDirection: -1,
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nameDirection: 1
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});
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return axisBuilder;
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});
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zrUtil.each(axisBuilders, function (axisBuilder) {
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zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);
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this.group.add(axisBuilder.getGroup());
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}, this);
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}
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_buildSplitLineAndArea(radarModel: RadarModel) {
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const radar = radarModel.coordinateSystem;
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const indicatorAxes = radar.getIndicatorAxes();
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if (!indicatorAxes.length) {
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return;
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}
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const shape = radarModel.get('shape');
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const splitLineModel = radarModel.getModel('splitLine');
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const splitAreaModel = radarModel.getModel('splitArea');
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const lineStyleModel = splitLineModel.getModel('lineStyle');
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const areaStyleModel = splitAreaModel.getModel('areaStyle');
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const showSplitLine = splitLineModel.get('show');
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const showSplitArea = splitAreaModel.get('show');
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const splitLineColors = lineStyleModel.get('color');
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const splitAreaColors = areaStyleModel.get('color');
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const splitLineColorsArr = zrUtil.isArray(splitLineColors) ? splitLineColors : [splitLineColors];
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const splitAreaColorsArr = zrUtil.isArray(splitAreaColors) ? splitAreaColors : [splitAreaColors];
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const splitLines: (graphic.Circle | graphic.Polyline)[][] = [];
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const splitAreas: (graphic.Ring | graphic.Polygon)[][] = [];
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function getColorIndex(
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areaOrLine: any[][],
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areaOrLineColorList: ZRColor[],
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idx: number
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) {
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const colorIndex = idx % areaOrLineColorList.length;
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areaOrLine[colorIndex] = areaOrLine[colorIndex] || [];
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return colorIndex;
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}
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if (shape === 'circle') {
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const ticksRadius = indicatorAxes[0].getTicksCoords();
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const cx = radar.cx;
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const cy = radar.cy;
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for (let i = 0; i < ticksRadius.length; i++) {
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if (showSplitLine) {
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const colorIndex = getColorIndex(splitLines, splitLineColorsArr, i);
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splitLines[colorIndex].push(new graphic.Circle({
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shape: {
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cx: cx,
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cy: cy,
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r: ticksRadius[i].coord
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}
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}));
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}
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if (showSplitArea && i < ticksRadius.length - 1) {
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const colorIndex = getColorIndex(splitAreas, splitAreaColorsArr, i);
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splitAreas[colorIndex].push(new graphic.Ring({
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shape: {
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cx: cx,
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cy: cy,
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r0: ticksRadius[i].coord,
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r: ticksRadius[i + 1].coord
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}
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}));
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}
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}
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}
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// Polyyon
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else {
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let realSplitNumber: number;
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const axesTicksPoints = zrUtil.map(indicatorAxes, function (indicatorAxis, idx) {
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const ticksCoords = indicatorAxis.getTicksCoords();
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realSplitNumber = realSplitNumber == null
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? ticksCoords.length - 1
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: Math.min(ticksCoords.length - 1, realSplitNumber);
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return zrUtil.map(ticksCoords, function (tickCoord) {
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return radar.coordToPoint(tickCoord.coord, idx);
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});
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});
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let prevPoints: number[][] = [];
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for (let i = 0; i <= realSplitNumber; i++) {
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const points: number[][] = [];
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for (let j = 0; j < indicatorAxes.length; j++) {
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points.push(axesTicksPoints[j][i]);
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}
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// Close
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if (points[0]) {
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points.push(points[0].slice());
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}
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else {
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if (__DEV__) {
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console.error('Can\'t draw value axis ' + i);
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}
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}
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if (showSplitLine) {
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const colorIndex = getColorIndex(splitLines, splitLineColorsArr, i);
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splitLines[colorIndex].push(new graphic.Polyline({
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shape: {
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points: points
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}
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}));
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}
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if (showSplitArea && prevPoints) {
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const colorIndex = getColorIndex(splitAreas, splitAreaColorsArr, i - 1);
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splitAreas[colorIndex].push(new graphic.Polygon({
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shape: {
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points: points.concat(prevPoints)
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}
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}));
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}
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prevPoints = points.slice().reverse();
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}
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}
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const lineStyle = lineStyleModel.getLineStyle();
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const areaStyle = areaStyleModel.getAreaStyle();
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// Add splitArea before splitLine
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zrUtil.each(splitAreas, function (splitAreas, idx) {
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this.group.add(graphic.mergePath(
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splitAreas, {
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style: zrUtil.defaults({
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stroke: 'none',
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fill: splitAreaColorsArr[idx % splitAreaColorsArr.length]
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}, areaStyle),
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silent: true
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}
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));
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}, this);
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zrUtil.each(splitLines, function (splitLines, idx) {
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this.group.add(graphic.mergePath(
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splitLines, {
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style: zrUtil.defaults({
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fill: 'none',
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stroke: splitLineColorsArr[idx % splitLineColorsArr.length]
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}, lineStyle),
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silent: true
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}
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));
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}, this);
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}
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}
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export default RadarView;
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