227 lines
8.4 KiB
JavaScript
227 lines
8.4 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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var echarts = require("../../echarts");
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var zrUtil = require("zrender/lib/core/util");
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var graphic = require("../../util/graphic");
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var MapDraw = require("../../component/helper/MapDraw");
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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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var HIGH_DOWN_PROP = '__seriesMapHighDown';
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var RECORD_VERSION_PROP = '__seriesMapCallKey';
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var _default = echarts.extendChartView({
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type: 'map',
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render: function (mapModel, ecModel, api, payload) {
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// Not render if it is an toggleSelect action from self
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if (payload && payload.type === 'mapToggleSelect' && payload.from === this.uid) {
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return;
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}
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var group = this.group;
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group.removeAll();
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if (mapModel.getHostGeoModel()) {
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return;
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} // Not update map if it is an roam action from self
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if (!(payload && payload.type === 'geoRoam' && payload.componentType === 'series' && payload.seriesId === mapModel.id)) {
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if (mapModel.needsDrawMap) {
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var mapDraw = this._mapDraw || new MapDraw(api, true);
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group.add(mapDraw.group);
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mapDraw.draw(mapModel, ecModel, api, this, payload);
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this._mapDraw = mapDraw;
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} else {
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// Remove drawed map
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this._mapDraw && this._mapDraw.remove();
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this._mapDraw = null;
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}
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} else {
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var mapDraw = this._mapDraw;
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mapDraw && group.add(mapDraw.group);
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}
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mapModel.get('showLegendSymbol') && ecModel.getComponent('legend') && this._renderSymbols(mapModel, ecModel, api);
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},
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remove: function () {
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this._mapDraw && this._mapDraw.remove();
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this._mapDraw = null;
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this.group.removeAll();
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},
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dispose: function () {
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this._mapDraw && this._mapDraw.remove();
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this._mapDraw = null;
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},
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_renderSymbols: function (mapModel, ecModel, api) {
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var originalData = mapModel.originalData;
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var group = this.group;
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originalData.each(originalData.mapDimension('value'), function (value, originalDataIndex) {
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if (isNaN(value)) {
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return;
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}
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var layout = originalData.getItemLayout(originalDataIndex);
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if (!layout || !layout.point) {
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// Not exists in map
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return;
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}
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var point = layout.point;
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var offset = layout.offset;
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var circle = new graphic.Circle({
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style: {
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// Because the special of map draw.
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// Which needs statistic of multiple series and draw on one map.
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// And each series also need a symbol with legend color
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//
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// Layout and visual are put one the different data
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fill: mapModel.getData().getVisual('color')
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},
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shape: {
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cx: point[0] + offset * 9,
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cy: point[1],
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r: 3
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},
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silent: true,
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// Do not overlap the first series, on which labels are displayed.
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z2: 8 + (!offset ? graphic.Z2_EMPHASIS_LIFT + 1 : 0)
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}); // Only the series that has the first value on the same region is in charge of rendering the label.
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// But consider the case:
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// series: [
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// {id: 'X', type: 'map', map: 'm', {data: [{name: 'A', value: 11}, {name: 'B', {value: 22}]},
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// {id: 'Y', type: 'map', map: 'm', {data: [{name: 'A', value: 21}, {name: 'C', {value: 33}]}
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// ]
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// The offset `0` of item `A` is at series `X`, but of item `C` is at series `Y`.
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// For backward compatibility, we follow the rule that render label `A` by the
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// settings on series `X` but render label `C` by the settings on series `Y`.
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if (!offset) {
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var fullData = mapModel.mainSeries.getData();
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var name = originalData.getName(originalDataIndex);
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var fullIndex = fullData.indexOfName(name);
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var itemModel = originalData.getItemModel(originalDataIndex);
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var labelModel = itemModel.getModel('label');
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var hoverLabelModel = itemModel.getModel('emphasis.label');
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var regionGroup = fullData.getItemGraphicEl(fullIndex); // `getFormattedLabel` needs to use `getData` inside. Here
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// `mapModel.getData()` is shallow cloned from `mainSeries.getData()`.
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// FIXME
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// If this is not the `mainSeries`, the item model (like label formatter)
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// set on original data item will never get. But it has been working
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// like that from the begining, and this scenario is rarely encountered.
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// So it won't be fixed until have to.
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var normalText = zrUtil.retrieve2(mapModel.getFormattedLabel(fullIndex, 'normal'), name);
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var emphasisText = zrUtil.retrieve2(mapModel.getFormattedLabel(fullIndex, 'emphasis'), normalText);
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var highDownRecord = regionGroup[HIGH_DOWN_PROP];
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var recordVersion = Math.random(); // Prevent from register listeners duplicatedly when roaming.
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if (!highDownRecord) {
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highDownRecord = regionGroup[HIGH_DOWN_PROP] = {};
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var onEmphasis = zrUtil.curry(onRegionHighDown, true);
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var onNormal = zrUtil.curry(onRegionHighDown, false);
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regionGroup.on('mouseover', onEmphasis).on('mouseout', onNormal).on('emphasis', onEmphasis).on('normal', onNormal);
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} // Prevent removed regions effect current grapics.
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regionGroup[RECORD_VERSION_PROP] = recordVersion;
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zrUtil.extend(highDownRecord, {
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recordVersion: recordVersion,
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circle: circle,
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labelModel: labelModel,
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hoverLabelModel: hoverLabelModel,
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emphasisText: emphasisText,
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normalText: normalText
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}); // FIXME
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// Consider set option when emphasis.
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enterRegionHighDown(highDownRecord, false);
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}
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group.add(circle);
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});
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}
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});
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function onRegionHighDown(toHighOrDown) {
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var highDownRecord = this[HIGH_DOWN_PROP];
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if (highDownRecord && highDownRecord.recordVersion === this[RECORD_VERSION_PROP]) {
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enterRegionHighDown(highDownRecord, toHighOrDown);
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}
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}
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function enterRegionHighDown(highDownRecord, toHighOrDown) {
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var circle = highDownRecord.circle;
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var labelModel = highDownRecord.labelModel;
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var hoverLabelModel = highDownRecord.hoverLabelModel;
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var emphasisText = highDownRecord.emphasisText;
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var normalText = highDownRecord.normalText;
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if (toHighOrDown) {
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circle.style.extendFrom(graphic.setTextStyle({}, hoverLabelModel, {
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text: hoverLabelModel.get('show') ? emphasisText : null
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}, {
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isRectText: true,
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useInsideStyle: false
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}, true)); // Make label upper than others if overlaps.
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circle.__mapOriginalZ2 = circle.z2;
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circle.z2 += graphic.Z2_EMPHASIS_LIFT;
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} else {
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graphic.setTextStyle(circle.style, labelModel, {
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text: labelModel.get('show') ? normalText : null,
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textPosition: labelModel.getShallow('position') || 'bottom'
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}, {
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isRectText: true,
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useInsideStyle: false
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}); // Trigger normalize style like padding.
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circle.dirty(false);
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if (circle.__mapOriginalZ2 != null) {
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circle.z2 = circle.__mapOriginalZ2;
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circle.__mapOriginalZ2 = null;
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}
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}
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}
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module.exports = _default; |