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Posted to dev@echarts.apache.org by GitBox <gi...@apache.org> on 2018/05/31 03:33:28 UTC
[GitHub] summerhll opened a new issue #8433: 对于图表类型切换magicType，源码是怎么实现的？
summerhll opened a new issue #8433: 对于图表类型切换magicType，源码是怎么实现的？
URL: https://github.com/apache/incubator-echarts/issues/8433
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### One-line summary [问题简述]
工作有涉及到echarts的图表类型切换内容，然后去看了下magicType相关源码，源码里面的内容重新设置newOption，并没有找到相关的echarts.setOption(newOption)的内容，请问源码中echarts.setOption(newOption)这部分在哪里？
相关代码：
`
var zrUtil = __webpack_require__(4);
function MagicType(model) {
this.model = model;
}
MagicType.defaultOption = {
show: true,
type: [],
// Icon group
icon: {
line: 'M4.1,28.9h7.1l9.3-22l7.4,38l9.7-19.7l3,12.8h14.9M4.1,58h51.4',
bar: 'M6.7,22.9h10V48h-10V22.9zM24.9,13h10v35h-10V13zM43.2,2h10v46h-10V2zM3.1,58h53.7',
stack: 'M8.2,38.4l-8.4,4.1l30.6,15.3L60,42.5l-8.1-4.1l-21.5,11L8.2,38.4z M51.9,30l-8.1,4.2l-13.4,6.9l-13.9-6.9L8.2,30l-8.4,4.2l8.4,4.2l22.2,11l21.5-11l8.1-4.2L51.9,30z M51.9,21.7l-8.1,4.2L35.7,30l-5.3,2.8L24.9,30l-8.4-4.1l-8.3-4.2l-8.4,4.2L8.2,30l8.3,4.2l13.9,6.9l13.4-6.9l8.1-4.2l8.1-4.1L51.9,21.7zM30.4,2.2L-0.2,17.5l8.4,4.1l8.3,4.2l8.4,4.2l5.5,2.7l5.3-2.7l8.1-4.2l8.1-4.2l8.1-4.1L30.4,2.2z', // jshint ignore:line
tiled: 'M2.3,2.2h22.8V25H2.3V2.2z M35,2.2h22.8V25H35V2.2zM2.3,35h22.8v22.8H2.3V35z M35,35h22.8v22.8H35V35z'
},
title: {
line: '切换为折线图',
bar: '切换为柱状图',
stack: '切换为堆叠',
tiled: '切换为平铺'
},
option: {},
seriesIndex: {}
};
var proto = MagicType.prototype;
proto.getIcons = function () {
var model = this.model;
var availableIcons = model.get('icon');
var icons = {};
zrUtil.each(model.get('type'), function (type) {
if (availableIcons[type]) {
icons[type] = availableIcons[type];
}
});
return icons;
};
var seriesOptGenreator = {
'line': function (seriesType, seriesId, seriesModel, model) {
if (seriesType === 'bar') {
return zrUtil.merge({
id: seriesId,
type: 'line',
// Preserve data related option
data: seriesModel.get('data'),
stack: seriesModel.get('stack'),
markPoint: seriesModel.get('markPoint'),
markLine: seriesModel.get('markLine')
}, model.get('option.line') || {}, true);
}
},
'bar': function (seriesType, seriesId, seriesModel, model) {
if (seriesType === 'line') {
return zrUtil.merge({
id: seriesId,
type: 'bar',
// Preserve data related option
data: seriesModel.get('data'),
stack: seriesModel.get('stack'),
markPoint: seriesModel.get('markPoint'),
markLine: seriesModel.get('markLine')
}, model.get('option.bar') || {}, true);
}
},
'stack': function (seriesType, seriesId, seriesModel, model) {
if (seriesType === 'line' || seriesType === 'bar') {
return zrUtil.merge({
id: seriesId,
stack: '__ec_magicType_stack__'
}, model.get('option.stack') || {}, true);
}
},
'tiled': function (seriesType, seriesId, seriesModel, model) {
if (seriesType === 'line' || seriesType === 'bar') {
return zrUtil.merge({
id: seriesId,
stack: ''
}, model.get('option.tiled') || {}, true);
}
}
};
var radioTypes = [
['line', 'bar'],
['stack', 'tiled']
];
proto.onclick = function (ecModel, api, type) {
var model = this.model;
var seriesIndex = model.get('seriesIndex.' + type);
// Not supported magicType
if (!seriesOptGenreator[type]) {
return;
}
var newOption = {
series: []
};
var generateNewSeriesTypes = function (seriesModel) {
var seriesType = seriesModel.subType;
var seriesId = seriesModel.id;
var newSeriesOpt = seriesOptGenreator[type](
seriesType, seriesId, seriesModel, model
);
if (newSeriesOpt) {
// PENDING If merge original option?
zrUtil.defaults(newSeriesOpt, seriesModel.option);
newOption.series.push(newSeriesOpt);
}
// Modify boundaryGap
var coordSys = seriesModel.coordinateSystem;
if (coordSys && coordSys.type === 'cartesian2d' && (type === 'line' || type === 'bar')) {
var categoryAxis = coordSys.getAxesByScale('ordinal')[0];
if (categoryAxis) {
var axisDim = categoryAxis.dim;
var axisType = axisDim + 'Axis';
var axisModel = ecModel.queryComponents({
mainType: axisType,
index: seriesModel.get(name + 'Index'),
id: seriesModel.get(name + 'Id')
})[0];
var axisIndex = axisModel.componentIndex;
newOption[axisType] = newOption[axisType] || [];
for (var i = 0; i <= axisIndex; i++) {
newOption[axisType][axisIndex] = newOption[axisType][axisIndex] || {};
}
newOption[axisType][axisIndex].boundaryGap = type === 'bar' ? true : false;
}
}
};
zrUtil.each(radioTypes, function (radio) {
if (zrUtil.indexOf(radio, type) >= 0) {
zrUtil.each(radio, function (item) {
model.setIconStatus(item, 'normal');
});
}
});
model.setIconStatus(type, 'emphasis');
ecModel.eachComponent(
{
mainType: 'series',
query: seriesIndex == null ? null : {
seriesIndex: seriesIndex
}
}, generateNewSeriesTypes
);
api.dispatchAction({
type: 'changeMagicType',
currentType: type,
newOption: newOption
});
};
var echarts = __webpack_require__(1);
echarts.registerAction({
type: 'changeMagicType',
event: 'magicTypeChanged',
update: 'prepareAndUpdate'
}, function (payload, ecModel) {
ecModel.mergeOption(payload.newOption);
});
__webpack_require__(314).register('magicType', MagicType);
module.exports = MagicType;`
### Version & Environment [版本及环境]
+ ECharts version [ECharts 版本]:
+ Browser version [浏览器类型和版本]:
+ OS Version [操作系统类型和版本]:
### Expected behaviour [期望结果]
### ECharts option [ECharts配置项]
<!-- Copy and paste your 'echarts option' here. -->
<!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
```javascript
option = {
}
```
### Other comments [其他信息]
<!-- For example: Screenshot or Online demo -->
<!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
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