添加initConnectedChildren方法

Fix #585
ecomfe · Jun 12, 2016 · ffe6790 · ffe6790
1 parent f052027
commit ffe6790
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Showing 2 changed files with 31 additions and 1 deletion.
diff --git a/src/helper/children.js b/src/helper/children.js
@@ -33,6 +33,37 @@ define(
             return ui.init(wrap, options);
         };
 
+        /**
+         * 批量初始化自有子控件
+         *
+         * 该方法与`intiChildren`的不同在于，会使用一个特殊的`valueReplacer`，
+         * 在子控件的HTML中的`foo="@bar.x.y"`会等效于父控件的`get('bar').x.x`
+         *
+         * @param {HTMLElement} [wrap] 容器DOM元素，默认为主元素
+         * @param {Object} [options] init参数
+         * @param {Object} [options.properties] 属性集合，通过id映射
+         * @return {Array} 子控件数组
+         */
+        helper.initConnectedChildren = function (wrap, options) {
+            var control = this.control;
+            var valueReplacer = function (value) {
+                if (value.charAt(0) === '@') {
+                    var path = value.substring(1).split('.');
+                    var propertyName = path.shift();
+                    var result = u.reduce(
+                        path,
+                        function (value, property) {
+                            return value[property];
+                        },
+                        control.get(propertyName)
+                    );
+                    return result;
+                }
+            };
+            options = u.extend({valueReplacer: valueReplacer}, options);
+            return this.initChildren(wrap, options);
+        };
+
         /**
          * 销毁所有子控件
          */

diff --git a/src/helper/template.js b/src/helper/template.js
@@ -62,7 +62,6 @@ define(
          * @protected
          */
         helper.initializeTemplateEngineExtension = function () {
-            var me = this;
             u.each(
                 FILTERS,
                 function (filter, name) {