MapView.js
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define(function (require) {
// var zrUtil = require('zrender/core/util');
var graphic = require('../../util/graphic');
var MapDraw = require('../../component/helper/MapDraw');
require('../../echarts').extendChartView({
type: 'map',
render: function (mapModel, ecModel, api, payload) {
// Not render if it is an toggleSelect action from self
if (payload && payload.type === 'mapToggleSelect'
&& payload.from === this.uid
) {
return;
}
var group = this.group;
group.removeAll();
// Not update map if it is an roam action from self
if (!(payload && payload.type === 'geoRoam'
&& payload.component === 'series'
&& payload.name === mapModel.name)) {
if (mapModel.needsDrawMap) {
var mapDraw = this._mapDraw || new MapDraw(api, true);
group.add(mapDraw.group);
mapDraw.draw(mapModel, ecModel, api, this, payload);
this._mapDraw = mapDraw;
}
else {
// Remove drawed map
this._mapDraw && this._mapDraw.remove();
this._mapDraw = null;
}
}
else {
var mapDraw = this._mapDraw;
mapDraw && group.add(mapDraw.group);
}
mapModel.get('showLegendSymbol') && ecModel.getComponent('legend')
&& this._renderSymbols(mapModel, ecModel, api);
},
remove: function () {
this._mapDraw && this._mapDraw.remove();
this._mapDraw = null;
this.group.removeAll();
},
_renderSymbols: function (mapModel, ecModel, api) {
var data = mapModel.getData();
var group = this.group;
data.each('value', function (value, idx) {
if (isNaN(value)) {
return;
}
var layout = data.getItemLayout(idx);
if (!layout || !layout.point) {
// Not exists in map
return;
}
var point = layout.point;
var offset = layout.offset;
var circle = new graphic.Circle({
style: {
fill: data.getVisual('color')
},
shape: {
cx: point[0] + offset * 9,
cy: point[1],
r: 3
},
silent: true,
z2: 10
});
// First data on the same region
if (!offset) {
var labelText = data.getName(idx);
var itemModel = data.getItemModel(idx);
var labelModel = itemModel.getModel('label.normal');
var hoverLabelModel = itemModel.getModel('label.emphasis');
var textStyleModel = labelModel.getModel('textStyle');
var hoverTextStyleModel = hoverLabelModel.getModel('textStyle');
var polygonGroups = data.getItemGraphicEl(idx);
circle.setStyle({
textPosition: 'bottom'
});
var onEmphasis = function () {
circle.setStyle({
text: hoverLabelModel.get('show') ? labelText : '',
textFill: hoverTextStyleModel.getTextColor(),
textFont: hoverTextStyleModel.getFont()
});
};
var onNormal = function () {
circle.setStyle({
text: labelModel.get('show') ? labelText : '',
textFill: textStyleModel.getTextColor(),
textFont: textStyleModel.getFont()
});
};
polygonGroups.on('mouseover', onEmphasis)
.on('mouseout', onNormal)
.on('emphasis', onEmphasis)
.on('normal', onNormal);
onNormal();
}
group.add(circle);
});
}
});
});