aaac7fed
 liuqimichale
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* Data selectable mixin for chart series.
* To eanble data select, option of series must have `selectedMode`.
* And each data item will use `selected` to toggle itself selected status
*/
import * as zrUtil from 'zrender/src/core/util';
export default {
/**
* @param {Array.<Object>} targetList [{name, value, selected}, ...]
* If targetList is an array, it should like [{name: ..., value: ...}, ...].
* If targetList is a "List", it must have coordDim: 'value' dimension and name.
*/
updateSelectedMap: function (targetList) {
this._targetList = zrUtil.isArray(targetList) ? targetList.slice() : [];
this._selectTargetMap = zrUtil.reduce(targetList || [], function (targetMap, target) {
targetMap.set(target.name, target);
return targetMap;
}, zrUtil.createHashMap());
},
/**
* Either name or id should be passed as input here.
* If both of them are defined, id is used.
*
* @param {string|undefined} name name of data
* @param {number|undefined} id dataIndex of data
*/
// PENGING If selectedMode is null ?
select: function (name, id) {
var target = id != null
? this._targetList[id]
: this._selectTargetMap.get(name);
var selectedMode = this.get('selectedMode');
if (selectedMode === 'single') {
this._selectTargetMap.each(function (target) {
target.selected = false;
});
}
target && (target.selected = true);
},
/**
* Either name or id should be passed as input here.
* If both of them are defined, id is used.
*
* @param {string|undefined} name name of data
* @param {number|undefined} id dataIndex of data
*/
unSelect: function (name, id) {
var target = id != null
? this._targetList[id]
: this._selectTargetMap.get(name);
// var selectedMode = this.get('selectedMode');
// selectedMode !== 'single' && target && (target.selected = false);
target && (target.selected = false);
},
/**
* Either name or id should be passed as input here.
* If both of them are defined, id is used.
*
* @param {string|undefined} name name of data
* @param {number|undefined} id dataIndex of data
*/
toggleSelected: function (name, id) {
var target = id != null
? this._targetList[id]
: this._selectTargetMap.get(name);
if (target != null) {
this[target.selected ? 'unSelect' : 'select'](name, id);
return target.selected;
}
},
/**
* Either name or id should be passed as input here.
* If both of them are defined, id is used.
*
* @param {string|undefined} name name of data
* @param {number|undefined} id dataIndex of data
*/
isSelected: function (name, id) {
var target = id != null
? this._targetList[id]
: this._selectTargetMap.get(name);
return target && target.selected;
}
};
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