/*
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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 echarts from '../../echarts';
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import * as graphic from '../../util/graphic';
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import * as zrUtil from 'zrender/src/core/util';
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import * as symbolUtil from '../../util/symbol';
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function normalizeSymbolSize(symbolSize) {
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if (!zrUtil.isArray(symbolSize)) {
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symbolSize = [+symbolSize, +symbolSize];
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}
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return symbolSize;
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}
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export default echarts.extendChartView({
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type: 'radar',
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render: function (seriesModel, ecModel, api) {
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var polar = seriesModel.coordinateSystem;
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var group = this.group;
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var data = seriesModel.getData();
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var oldData = this._data;
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function createSymbol(data, idx) {
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var symbolType = data.getItemVisual(idx, 'symbol') || 'circle';
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var color = data.getItemVisual(idx, 'color');
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if (symbolType === 'none') {
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return;
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}
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var symbolSize = normalizeSymbolSize(
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data.getItemVisual(idx, 'symbolSize')
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);
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var symbolPath = symbolUtil.createSymbol(
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symbolType, -1, -1, 2, 2, color
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);
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symbolPath.attr({
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style: {
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strokeNoScale: true
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},
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z2: 100,
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scale: [symbolSize[0] / 2, symbolSize[1] / 2]
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});
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return symbolPath;
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}
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function updateSymbols(oldPoints, newPoints, symbolGroup, data, idx, isInit) {
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// Simply rerender all
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symbolGroup.removeAll();
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for (var i = 0; i < newPoints.length - 1; i++) {
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var symbolPath = createSymbol(data, idx);
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if (symbolPath) {
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symbolPath.__dimIdx = i;
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if (oldPoints[i]) {
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symbolPath.attr('position', oldPoints[i]);
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graphic[isInit ? 'initProps' : 'updateProps'](
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symbolPath, {
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position: newPoints[i]
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}, seriesModel, idx
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);
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}
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else {
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symbolPath.attr('position', newPoints[i]);
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}
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symbolGroup.add(symbolPath);
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}
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}
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}
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function getInitialPoints(points) {
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return zrUtil.map(points, function (pt) {
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return [polar.cx, polar.cy];
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});
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}
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data.diff(oldData)
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.add(function (idx) {
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var points = data.getItemLayout(idx);
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if (!points) {
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return;
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}
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var polygon = new graphic.Polygon();
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var polyline = new graphic.Polyline();
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var target = {
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shape: {
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points: points
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}
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};
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polygon.shape.points = getInitialPoints(points);
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polyline.shape.points = getInitialPoints(points);
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graphic.initProps(polygon, target, seriesModel, idx);
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graphic.initProps(polyline, target, seriesModel, idx);
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var itemGroup = new graphic.Group();
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var symbolGroup = new graphic.Group();
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itemGroup.add(polyline);
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itemGroup.add(polygon);
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itemGroup.add(symbolGroup);
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updateSymbols(
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polyline.shape.points, points, symbolGroup, data, idx, true
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);
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data.setItemGraphicEl(idx, itemGroup);
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})
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.update(function (newIdx, oldIdx) {
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var itemGroup = oldData.getItemGraphicEl(oldIdx);
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var polyline = itemGroup.childAt(0);
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var polygon = itemGroup.childAt(1);
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var symbolGroup = itemGroup.childAt(2);
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var target = {
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shape: {
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points: data.getItemLayout(newIdx)
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}
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};
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if (!target.shape.points) {
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return;
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}
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updateSymbols(
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polyline.shape.points, target.shape.points, symbolGroup, data, newIdx, false
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);
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graphic.updateProps(polyline, target, seriesModel);
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graphic.updateProps(polygon, target, seriesModel);
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data.setItemGraphicEl(newIdx, itemGroup);
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})
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.remove(function (idx) {
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group.remove(oldData.getItemGraphicEl(idx));
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})
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.execute();
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data.eachItemGraphicEl(function (itemGroup, idx) {
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var itemModel = data.getItemModel(idx);
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var polyline = itemGroup.childAt(0);
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var polygon = itemGroup.childAt(1);
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var symbolGroup = itemGroup.childAt(2);
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var color = data.getItemVisual(idx, 'color');
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group.add(itemGroup);
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polyline.useStyle(
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zrUtil.defaults(
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itemModel.getModel('lineStyle').getLineStyle(),
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{
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fill: 'none',
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stroke: color
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}
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)
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);
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polyline.hoverStyle = itemModel.getModel('emphasis.lineStyle').getLineStyle();
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var areaStyleModel = itemModel.getModel('areaStyle');
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var hoverAreaStyleModel = itemModel.getModel('emphasis.areaStyle');
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var polygonIgnore = areaStyleModel.isEmpty() && areaStyleModel.parentModel.isEmpty();
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var hoverPolygonIgnore = hoverAreaStyleModel.isEmpty() && hoverAreaStyleModel.parentModel.isEmpty();
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hoverPolygonIgnore = hoverPolygonIgnore && polygonIgnore;
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polygon.ignore = polygonIgnore;
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polygon.useStyle(
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zrUtil.defaults(
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areaStyleModel.getAreaStyle(),
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{
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fill: color,
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opacity: 0.7
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}
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)
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);
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polygon.hoverStyle = hoverAreaStyleModel.getAreaStyle();
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var itemStyle = itemModel.getModel('itemStyle').getItemStyle(['color']);
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var itemHoverStyle = itemModel.getModel('emphasis.itemStyle').getItemStyle();
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var labelModel = itemModel.getModel('label');
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var labelHoverModel = itemModel.getModel('emphasis.label');
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symbolGroup.eachChild(function (symbolPath) {
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symbolPath.setStyle(itemStyle);
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symbolPath.hoverStyle = zrUtil.clone(itemHoverStyle);
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graphic.setLabelStyle(
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symbolPath.style, symbolPath.hoverStyle, labelModel, labelHoverModel,
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{
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labelFetcher: data.hostModel,
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labelDataIndex: idx,
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labelDimIndex: symbolPath.__dimIdx,
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defaultText: data.get(data.dimensions[symbolPath.__dimIdx], idx),
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autoColor: color,
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isRectText: true
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}
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);
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});
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function onEmphasis() {
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polygon.attr('ignore', hoverPolygonIgnore);
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}
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function onNormal() {
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polygon.attr('ignore', polygonIgnore);
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}
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itemGroup.off('mouseover').off('mouseout').off('normal').off('emphasis');
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itemGroup.on('emphasis', onEmphasis)
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.on('mouseover', onEmphasis)
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.on('normal', onNormal)
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.on('mouseout', onNormal);
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graphic.setHoverStyle(itemGroup);
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});
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this._data = data;
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},
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remove: function () {
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this.group.removeAll();
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this._data = null;
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},
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dispose: function () {}
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});
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