[pie] Fix #7515 (selected does not work in option data item).

src/component/helper/selectableMixin.js

@@ -5,6 +5,7 @@
  */
 
 import * as zrUtil from 'zrender/src/core/util';
+import {retrieveRawAttr} from '../../data/helper/dataProvider';
 
 export default {
 
@@ -22,7 +23,11 @@ export default {
             var valueDim = ecList.mapDimension('value');
             var targetList = this._targetList = [];
             for (var i = 0, len = ecList.count(); i < len; i++) {
-                targetList.push({name: ecList.getName(i), value: ecList.get(valueDim, i)});
+                targetList.push({
+                    name: ecList.getName(i),
+                    value: ecList.get(valueDim, i),
+                    selected: retrieveRawAttr(ecList, i, 'selected')
+                });
             }
         }
         this._selectTargetMap = zrUtil.reduce(targetList || [], function (targetMap, target) {

src/data/helper/dataProvider.js

@@ -3,13 +3,15 @@
 // merge with defaultDimValueGetter?
 
 import {__DEV__} from '../../config';
-import {isTypedArray, extend, assert, each} from 'zrender/src/core/util';
+import {isTypedArray, extend, assert, each, isObject} from 'zrender/src/core/util';
 import {getDataItemValue, isDataItemOption} from '../../util/model';
 import {parseDate} from '../../util/number';
 import Source from '../Source';
 import {
     SOURCE_FORMAT_TYPED_ARRAY,
-    SOURCE_FORMAT_ARRAY_ROWS
+    SOURCE_FORMAT_ARRAY_ROWS,
+    SOURCE_FORMAT_ORIGINAL,
+    SOURCE_FORMAT_OBJECT_ROWS
 } from './sourceType';
 
 /**
@@ -325,3 +327,37 @@ export function retrieveRawValue(data, dataIndex, dim) {
 
     return rawValueGetters[sourceFormat](dataItem, dataIndex, dimIndex, dimName);
 }
+
+/**
+ * Compatible with some cases (in pie, map) like:
+ * data: [{name: 'xx', value: 5, selected: true}, ...]
+ * where only sourceFormat is 'original' and 'objectRows' supported.
+ *
+ * ??? TODO
+ * Supported detail options in data item when using 'arrayRows'.
+ *
+ * @param {module:echarts/data/List} data
+ * @param {number} dataIndex
+ * @param {string} attr like 'selected'
+ */
+export function retrieveRawAttr(data, dataIndex, attr) {
+    if (!data) {
+        return;
+    }
+
+    var sourceFormat = data.getProvider().getSource().sourceFormat;
+
+    if (sourceFormat !== SOURCE_FORMAT_ORIGINAL
+        && sourceFormat !== SOURCE_FORMAT_OBJECT_ROWS
+    ) {
+        return;
+    }
+
+    var dataItem = data.getRawDataItem(dataIndex);
+    if (sourceFormat === SOURCE_FORMAT_ORIGINAL && !isObject(dataItem)) {
+        dataItem = null;
+    }
+    if (dataItem) {
+        return dataItem[attr];
+    }
+}

test/pie.html

@@ -51,7 +51,7 @@
                 };
                 chart.setOption({
                     legend: {
-                        data: ['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
+                        data: ['直接访问（初始就被选中）','邮件营销','联盟广告','视频广告','搜索引擎']
                         // data: []
                     },
                     toolbox: {
@@ -89,7 +89,12 @@
                         //     }
                         // },
                         data:[
-                            {value:235, name:'直接访问', cursor: 'move'},
+                            {
+                                value:235,
+                                name:'直接访问（初始就被选中）',
+                                cursor: 'move',
+                                selected: true
+                            },
                             {value: 163, name: '标签在内部',
                                 label: {
                                     normal: {