Pull request #3176: KERNEL-13158: 包裹BI.Widget.pushContext()

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit '3e440e09fb18aec0f703a3dfa51a0c5b4323fe63':
  KERNEL-13158: 包裹BI.Widget.pushContext()
  KERNEL-13158: 包裹BI.Widget.pushContext()

src/base/combination/group.button.js

@@ -42,11 +42,13 @@ BI.ButtonGroup = BI.inherit(BI.Widget, {
     },
 
     _createBtns: function (items) {
-        BI.Widget.pushContext(this);
+        var btns;
-        var btns = BI.createWidgets(BI.createItems(items, {
+        BI.Widget.execWithContext(this, function () {
-            type: "bi.text_button",
+            btns = BI.createWidgets(BI.createItems(items, {
-        }));
+                type: "bi.text_button",
-        BI.Widget.popContext();
+            }));
+        });
+
         return btns;
     },
 

src/base/combination/navigation.js

@@ -43,11 +43,10 @@ BI.Navigation = BI.inherit(BI.Widget, {
                 return self.showIndex + v;
             },
             cardCreator: function (v) {
-                BI.Widget.pushContext(self);
+                BI.Widget.execWithContext(self, function () {
-                var card = o.cardCreator(v);
+                    self.cardMap[v] = o.cardCreator(v);
-                BI.Widget.popContext();
+                });
-                self.cardMap[v] = card;
+                return self.cardMap[v];
-                return card;
             },
             afterCardCreated: BI.bind(this.afterCardCreated, this),
             afterCardShow: BI.bind(this.afterCardShow, this),
@@ -104,12 +103,12 @@ BI.Navigation = BI.inherit(BI.Widget, {
     },
 
     _assertCard: function (v) {
+        var self = this, o = this.options;
         if (!this.layout.isCardExisted(v)) {
-            BI.Widget.pushContext(this);
+            BI.Widget.execWithContext(self, function () {
-            var card = this.options.cardCreator(v);
+                self.cardMap[v] = o.cardCreator(v);
-            BI.Widget.popContext();
+            });
-            this.cardMap[v] = card;
+            this.layout.addCardByName(v, this.cardMap[v]);
-            this.layout.addCardByName(v, card);
             this.afterCardCreated(v);
         }
     },

src/base/combination/tab.js

@@ -43,10 +43,11 @@ BI.Tab = BI.inherit(BI.Widget, {
             eventObj: this.tab,
             cardLayout: this.layout,
             cardCreator: function (v) {
-                var card = o.cardCreator.apply(self, arguments);
+                BI.Widget.execWithContext(self, function () {
-                self.cardMap[v] = card;
+                    self.cardMap[v] = o.cardCreator.apply(self, arguments);
+                });
 
-                return card;
+                return self.cardMap[v];
             },
             afterCardShow: function (v) {
                 self._deleteOtherCards(v);
@@ -71,12 +72,12 @@ BI.Tab = BI.inherit(BI.Widget, {
     },
 
     _assertCard: function (v) {
+        var self = this, o = this.options;
         if (!this.layout.isCardExisted(v)) {
-            BI.Widget.pushContext(this);
+            BI.Widget.execWithContext(this, function () {
-            var card = this.options.cardCreator(v);
+                self.cardMap[v] = o.cardCreator.apply(self, arguments);
-            BI.Widget.popContext();
+            });
-            this.cardMap[v] = card;
+            this.layout.addCardByName(v, this.cardMap[v]);
-            this.layout.addCardByName(v, card);
         }
     },
 

src/core/4.widget.js

@@ -857,6 +857,17 @@
         BI.Widget.context = context = contextStack.pop();
     };
 
+    BI.Widget.execWithContext = function (context, execFunc) {
+        BI.Widget.pushContext(context);
+        try {
+            execFunc();
+        } catch (e) {
+            throw e;
+        } finally {
+            BI.Widget.popContext();
+        }
+    };
+
     function pushTarget(_current) {
         if (current) currentStack.push(current);
         BI.Widget.current = current = _current;
@@ -927,16 +938,6 @@
         return vm;
     };
 
-    BI.execWithContext = function (_context, fn) {
-        BI.Widget.pushContext(_context);
-        try {
-            fn();
-        } catch (e) {
-            // nothing
-        }
-        BI.Widget.popContext();
-    };
-
     BI.watch = function (vm, watch, handler) {
         // 必须要保证组件当前环境存在
         if (BI.Widget.current) {