update

bi/base.js

@@ -3904,10 +3904,6 @@ BI.shortcut("bi.combo_group", BI.ComboGroup);BI.VirtualGroup = BI.inherit(BI.Wid
         return this.layouts.getValue();
     },
 
-    empty: function () {
-        this.layouts.empty();
-    },
-
     populate: function (items) {
         var self = this;
         items = items || [];

bi/core.js

@@ -11527,9 +11527,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         })
     },
 
-    update: function (item) {
+    update: function (opt) {
         var o = this.options;
-        var items = item.items || [];
+        var items = opt.items || [];
         var updated, i, len;
         for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) {
             if (!this._compare(o.items[i], items[i])) {
@@ -13881,7 +13881,7 @@ BI.HorizontalLayout = BI.inherit(BI.Layout, {
     props: function () {
         return BI.extend(BI.HorizontalLayout.superclass.props.apply(this, arguments), {
             baseCls: "bi-horizontal-layout",
-            verticalAlign: "middle",
+            verticalAlign: BI.VerticalAlign.Top,
             columnSize: [],
             scrollx: true,
             hgap: 0,

demo/js/core/abstract/demo.virtual_group.js

@@ -4,7 +4,7 @@ Demo.Func = BI.inherit(BI.Widget, {
     },
 
     _createItems: function () {
-        var items = BI.makeArray(100, {
+        var items = BI.makeArray(1000, {
             type: "demo.virtual_group_item"
         });
         items[0].value = BI.UUID();
@@ -17,11 +17,33 @@ Demo.Func = BI.inherit(BI.Widget, {
             type: "bi.vertical",
             vgap: 20,
             items: [{
+                type: "bi.button_group",
+                width: 500,
+                height: 300,
+                ref: function () {
+                    self.buttonGroup = this;
+                },
+                chooseType: BI.ButtonGroup.CHOOSE_TYPE_MULTI,
+                layouts: [{
+                    type: "bi.vertical"
+                }, {
+                    type: "bi.center_adapt",
+                }],
+                items: this._createItems()
+            }, {
+                type: "bi.button",
+                text: "演示button_group的刷新",
+                handler: function () {
+                    var items = self._createItems();
+                    items.pop();
+                    self.buttonGroup.populate(items);
+                }
+            }, {
                 type: "bi.virtual_group",
                 width: 500,
                 height: 300,
                 ref: function () {
-                    self.buttonMap = this;
+                    self.virtualGroup = this;
                 },
                 chooseType: BI.ButtonGroup.CHOOSE_TYPE_MULTI,
                 layouts: [{
@@ -32,11 +54,11 @@ Demo.Func = BI.inherit(BI.Widget, {
                 items: this._createItems()
             }, {
                 type: "bi.button",
-                text: "点击刷新",
+                text: "演示virtual_group的刷新",
                 handler: function () {
                     var items = self._createItems();
                     items.pop();
-                    self.buttonMap.populate(items);
+                    self.virtualGroup.populate(items);
                 }
             }]
 
@@ -66,7 +88,7 @@ Demo.Item = BI.inherit(BI.Widget, {
     update: function (item) {
         this.label.setText(item.value);
         console.log("更新了一项");
-        return true;
+        return true;//返回是不是更新成功
     },
 
     created: function () {

dist/base.js

@@ -3904,10 +3904,6 @@ BI.shortcut("bi.combo_group", BI.ComboGroup);BI.VirtualGroup = BI.inherit(BI.Wid
         return this.layouts.getValue();
     },
 
-    empty: function () {
-        this.layouts.empty();
-    },
-
     populate: function (items) {
         var self = this;
         items = items || [];

dist/bundle.js

@@ -19883,9 +19883,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         })
     },
 
-    update: function (item) {
+    update: function (opt) {
         var o = this.options;
-        var items = item.items || [];
+        var items = opt.items || [];
         var updated, i, len;
         for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) {
             if (!this._compare(o.items[i], items[i])) {
@@ -27440,7 +27440,7 @@ BI.HorizontalLayout = BI.inherit(BI.Layout, {
     props: function () {
         return BI.extend(BI.HorizontalLayout.superclass.props.apply(this, arguments), {
             baseCls: "bi-horizontal-layout",
-            verticalAlign: "middle",
+            verticalAlign: BI.VerticalAlign.Top,
             columnSize: [],
             scrollx: true,
             hgap: 0,
@@ -32775,10 +32775,6 @@ BI.shortcut("bi.combo_group", BI.ComboGroup);BI.VirtualGroup = BI.inherit(BI.Wid
         return this.layouts.getValue();
     },
 
-    empty: function () {
-        this.layouts.empty();
-    },
-
     populate: function (items) {
         var self = this;
         items = items || [];

dist/core.js

@@ -19832,9 +19832,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         })
     },
 
-    update: function (item) {
+    update: function (opt) {
         var o = this.options;
-        var items = item.items || [];
+        var items = opt.items || [];
         var updated, i, len;
         for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) {
             if (!this._compare(o.items[i], items[i])) {
@@ -27389,7 +27389,7 @@ BI.HorizontalLayout = BI.inherit(BI.Layout, {
     props: function () {
         return BI.extend(BI.HorizontalLayout.superclass.props.apply(this, arguments), {
             baseCls: "bi-horizontal-layout",
-            verticalAlign: "middle",
+            verticalAlign: BI.VerticalAlign.Top,
             columnSize: [],
             scrollx: true,
             hgap: 0,

dist/demo.js

@@ -6872,7 +6872,7 @@ BI.shortcut("demo.list_view", Demo.Func);Demo.Func = BI.inherit(BI.Widget, {
     },
 
     _createItems: function () {
-        var items = BI.makeArray(100, {
+        var items = BI.makeArray(1000, {
             type: "demo.virtual_group_item"
         });
         items[0].value = BI.UUID();
@@ -6885,11 +6885,33 @@ BI.shortcut("demo.list_view", Demo.Func);Demo.Func = BI.inherit(BI.Widget, {
             type: "bi.vertical",
             vgap: 20,
             items: [{
+                type: "bi.button_group",
+                width: 500,
+                height: 300,
+                ref: function () {
+                    self.buttonGroup = this;
+                },
+                chooseType: BI.ButtonGroup.CHOOSE_TYPE_MULTI,
+                layouts: [{
+                    type: "bi.vertical"
+                }, {
+                    type: "bi.center_adapt",
+                }],
+                items: this._createItems()
+            }, {
+                type: "bi.button",
+                text: "演示button_group的刷新",
+                handler: function () {
+                    var items = self._createItems();
+                    items.pop();
+                    self.buttonGroup.populate(items);
+                }
+            }, {
                 type: "bi.virtual_group",
                 width: 500,
                 height: 300,
                 ref: function () {
-                    self.buttonMap = this;
+                    self.virtualGroup = this;
                 },
                 chooseType: BI.ButtonGroup.CHOOSE_TYPE_MULTI,
                 layouts: [{
@@ -6900,11 +6922,11 @@ BI.shortcut("demo.list_view", Demo.Func);Demo.Func = BI.inherit(BI.Widget, {
                 items: this._createItems()
             }, {
                 type: "bi.button",
-                text: "点击刷新",
+                text: "演示virtual_group的刷新",
                 handler: function () {
                     var items = self._createItems();
                     items.pop();
-                    self.buttonMap.populate(items);
+                    self.virtualGroup.populate(items);
                 }
             }]
 
@@ -6934,7 +6956,7 @@ Demo.Item = BI.inherit(BI.Widget, {
     update: function (item) {
         this.label.setText(item.value);
         console.log("更新了一项");
-        return true;
+        return true;//返回是不是更新成功
     },
 
     created: function () {

src/base/combination/group.virtual.js

@@ -63,10 +63,6 @@ BI.VirtualGroup = BI.inherit(BI.Widget, {
         return this.layouts.getValue();
     },
 
-    empty: function () {
-        this.layouts.empty();
-    },
-
     populate: function (items) {
         var self = this;
         items = items || [];

src/core/wrapper/layout.js

@@ -347,9 +347,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         })
     },
 
-    update: function (item) {
+    update: function (opt) {
         var o = this.options;
-        var items = item.items || [];
+        var items = opt.items || [];
         var updated, i, len;
         for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) {
             if (!this._compare(o.items[i], items[i])) {

src/core/wrapper/layout/layout.horizontal.js

@@ -7,7 +7,7 @@ BI.HorizontalLayout = BI.inherit(BI.Layout, {
     props: function () {
         return BI.extend(BI.HorizontalLayout.superclass.props.apply(this, arguments), {
             baseCls: "bi-horizontal-layout",
-            verticalAlign: "middle",
+            verticalAlign: BI.VerticalAlign.Top,
             columnSize: [],
             scrollx: true,
             hgap: 0,