Component.js
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/**
* Component model
*
* @module echarts/model/Component
*/
define(function(require) {
var Model = require('./Model');
var zrUtil = require('zrender/core/util');
var arrayPush = Array.prototype.push;
var componentUtil = require('../util/component');
var clazzUtil = require('../util/clazz');
var layout = require('../util/layout');
/**
* @alias module:echarts/model/Component
* @constructor
* @param {Object} option
* @param {module:echarts/model/Model} parentModel
* @param {module:echarts/model/Model} ecModel
*/
var ComponentModel = Model.extend({
type: 'component',
/**
* @readOnly
* @type {string}
*/
id: '',
/**
* @readOnly
*/
name: '',
/**
* @readOnly
* @type {string}
*/
mainType: '',
/**
* @readOnly
* @type {string}
*/
subType: '',
/**
* @readOnly
* @type {number}
*/
componentIndex: 0,
/**
* @type {Object}
* @protected
*/
defaultOption: null,
/**
* @type {module:echarts/model/Global}
* @readOnly
*/
ecModel: null,
/**
* key: componentType
* value: Component model list, can not be null.
* @type {Object.<string, Array.<module:echarts/model/Model>>}
* @readOnly
*/
dependentModels: [],
/**
* @type {string}
* @readOnly
*/
uid: null,
/**
* Support merge layout params.
* Only support 'box' now (left/right/top/bottom/width/height).
* @type {string|Object} Object can be {ignoreSize: true}
* @readOnly
*/
layoutMode: null,
init: function (option, parentModel, ecModel, extraOpt) {
this.mergeDefaultAndTheme(this.option, this.ecModel);
},
mergeDefaultAndTheme: function (option, ecModel) {
var layoutMode = this.layoutMode;
var inputPositionParams = layoutMode
? layout.getLayoutParams(option) : {};
var themeModel = ecModel.getTheme();
zrUtil.merge(option, themeModel.get(this.mainType));
zrUtil.merge(option, this.getDefaultOption());
if (layoutMode) {
layout.mergeLayoutParam(option, inputPositionParams, layoutMode);
}
},
mergeOption: function (option) {
zrUtil.merge(this.option, option, true);
var layoutMode = this.layoutMode;
if (layoutMode) {
layout.mergeLayoutParam(this.option, option, layoutMode);
}
},
// Hooker after init or mergeOption
optionUpdated: function (ecModel) {},
getDefaultOption: function () {
if (!this.hasOwnProperty('__defaultOption')) {
var optList = [];
var Class = this.constructor;
while (Class) {
var opt = Class.prototype.defaultOption;
opt && optList.push(opt);
Class = Class.superClass;
}
var defaultOption = {};
for (var i = optList.length - 1; i >= 0; i--) {
defaultOption = zrUtil.merge(defaultOption, optList[i], true);
}
this.__defaultOption = defaultOption;
}
return this.__defaultOption;
}
});
// Reset ComponentModel.extend, add preConstruct.
clazzUtil.enableClassExtend(
ComponentModel,
function (option, parentModel, ecModel, extraOpt) {
// Set dependentModels, componentIndex, name, id, mainType, subType.
zrUtil.extend(this, extraOpt);
this.uid = componentUtil.getUID('componentModel');
// this.setReadOnly([
// 'type', 'id', 'uid', 'name', 'mainType', 'subType',
// 'dependentModels', 'componentIndex'
// ]);
}
);
// Add capability of registerClass, getClass, hasClass, registerSubTypeDefaulter and so on.
clazzUtil.enableClassManagement(
ComponentModel, {registerWhenExtend: true}
);
componentUtil.enableSubTypeDefaulter(ComponentModel);
// Add capability of ComponentModel.topologicalTravel.
componentUtil.enableTopologicalTravel(ComponentModel, getDependencies);
function getDependencies(componentType) {
var deps = [];
zrUtil.each(ComponentModel.getClassesByMainType(componentType), function (Clazz) {
arrayPush.apply(deps, Clazz.prototype.dependencies || []);
});
// Ensure main type
return zrUtil.map(deps, function (type) {
return clazzUtil.parseClassType(type).main;
});
}
zrUtil.mixin(ComponentModel, require('./mixin/boxLayout'));
return ComponentModel;
});