add

bi/base.js

@@ -1118,9 +1118,21 @@ BI.ButtonGroup = BI.inherit(BI.Widget, {
         this.layouts.addItems(this._packageLayout(items).items);
     },
 
-    removeItemAt: function (index) {
-        this.buttons[index].destroy();
-        this.layouts.removeItemAt(index);
+    removeItemAt: function (indexes) {
+        BI.remove(this.buttons, indexes);
+        this.layouts.removeItemAt(indexes);
+    },
+
+    removeItems: function (values) {
+        values = BI.isArray(values) ? values : [values];
+        var deleted = [];
+        BI.each(this.buttons, function (i, button) {
+            if (BI.deepContains(values, button.getValue())) {
+                deleted.push(i);
+            }
+        });
+        BI.remove(this.buttons, deleted);
+        this.layouts.removeItemAt(deleted);
     },
 
     populate: function (items) {
@@ -3612,6 +3624,14 @@ BI.shortcut("bi.combo_group", BI.ComboGroup);BI.VirtualGroup = BI.inherit(BI.Wid
         this.layouts.prependItems(items);
     },
 
+    setValue: function (v) {
+        this.layouts.setValue(v);
+    },
+
+    getValue: function () {
+        return this.layouts.getValue();
+    },
+
     populate: function (items) {
         var self = this;
         items = items || [];

bi/core.js

@@ -11419,13 +11419,24 @@ BI.Layout = BI.inherit(BI.Widget, {
         return w;
     },
 
-    removeItemAt: function (index) {
-        if (index < 0 || index > this.options.items.length - 1) {
-            return;
+    removeItemAt: function (indexes) {
+        indexes = BI.isArray(indexes) ? indexes : [indexes];
+        var deleted = [];
+        var newItems = [], newChildren = {};
+        for (var i = 0, len = this.options.items.length; i < len; i++) {
+            var child = this._children[this._getChildName(i)];
+            if (indexes.contains(i)) {
+                deleted.push(child);
+            } else {
+                newChildren[this._getChildName(newItems.length)] = child;
+                newItems.push(this.options.items[i]);
             }
-        var child = this._children[this._getChildName(index)];
-        this._removeItemAt(index);
-        child.destroy();
+        }
+        this.options.items = newItems;
+        this._children = newChildren;
+        BI.each(deleted, function (i, c) {
+            c.destroy();
+        });
     },
 
     updateItemAt: function (index, item) {

dist/base.js

@@ -1118,9 +1118,21 @@ BI.ButtonGroup = BI.inherit(BI.Widget, {
         this.layouts.addItems(this._packageLayout(items).items);
     },
 
-    removeItemAt: function (index) {
-        this.buttons[index].destroy();
-        this.layouts.removeItemAt(index);
+    removeItemAt: function (indexes) {
+        BI.remove(this.buttons, indexes);
+        this.layouts.removeItemAt(indexes);
+    },
+
+    removeItems: function (values) {
+        values = BI.isArray(values) ? values : [values];
+        var deleted = [];
+        BI.each(this.buttons, function (i, button) {
+            if (BI.deepContains(values, button.getValue())) {
+                deleted.push(i);
+            }
+        });
+        BI.remove(this.buttons, deleted);
+        this.layouts.removeItemAt(deleted);
     },
 
     populate: function (items) {
@@ -3612,6 +3624,14 @@ BI.shortcut("bi.combo_group", BI.ComboGroup);BI.VirtualGroup = BI.inherit(BI.Wid
         this.layouts.prependItems(items);
     },
 
+    setValue: function (v) {
+        this.layouts.setValue(v);
+    },
+
+    getValue: function () {
+        return this.layouts.getValue();
+    },
+
     populate: function (items) {
         var self = this;
         items = items || [];

dist/core.js

@@ -19552,13 +19552,24 @@ BI.Layout = BI.inherit(BI.Widget, {
         return w;
     },
 
-    removeItemAt: function (index) {
-        if (index < 0 || index > this.options.items.length - 1) {
-            return;
+    removeItemAt: function (indexes) {
+        indexes = BI.isArray(indexes) ? indexes : [indexes];
+        var deleted = [];
+        var newItems = [], newChildren = {};
+        for (var i = 0, len = this.options.items.length; i < len; i++) {
+            var child = this._children[this._getChildName(i)];
+            if (indexes.contains(i)) {
+                deleted.push(child);
+            } else {
+                newChildren[this._getChildName(newItems.length)] = child;
+                newItems.push(this.options.items[i]);
             }
-        var child = this._children[this._getChildName(index)];
-        this._removeItemAt(index);
-        child.destroy();
+        }
+        this.options.items = newItems;
+        this._children = newChildren;
+        BI.each(deleted, function (i, c) {
+            c.destroy();
+        });
     },
 
     updateItemAt: function (index, item) {

src/base/combination/group.button.js

@@ -155,9 +155,21 @@ BI.ButtonGroup = BI.inherit(BI.Widget, {
         this.layouts.addItems(this._packageLayout(items).items);
     },
 
-    removeItemAt: function (index) {
-        this.buttons[index].destroy();
-        this.layouts.removeItemAt(index);
+    removeItemAt: function (indexes) {
+        BI.remove(this.buttons, indexes);
+        this.layouts.removeItemAt(indexes);
+    },
+
+    removeItems: function (values) {
+        values = BI.isArray(values) ? values : [values];
+        var deleted = [];
+        BI.each(this.buttons, function (i, button) {
+            if (BI.deepContains(values, button.getValue())) {
+                deleted.push(i);
+            }
+        });
+        BI.remove(this.buttons, deleted);
+        this.layouts.removeItemAt(deleted);
     },
 
     populate: function (items) {

src/base/combination/group.virtual.js

@@ -55,6 +55,14 @@ BI.VirtualGroup = BI.inherit(BI.Widget, {
         this.layouts.prependItems(items);
     },
 
+    setValue: function (v) {
+        this.layouts.setValue(v);
+    },
+
+    getValue: function () {
+        return this.layouts.getValue();
+    },
+
     populate: function (items) {
         var self = this;
         items = items || [];

src/core/wrapper/layout.js

@@ -220,13 +220,24 @@ BI.Layout = BI.inherit(BI.Widget, {
         return w;
     },
 
-    removeItemAt: function (index) {
-        if (index < 0 || index > this.options.items.length - 1) {
-            return;
+    removeItemAt: function (indexes) {
+        indexes = BI.isArray(indexes) ? indexes : [indexes];
+        var deleted = [];
+        var newItems = [], newChildren = {};
+        for (var i = 0, len = this.options.items.length; i < len; i++) {
+            var child = this._children[this._getChildName(i)];
+            if (indexes.contains(i)) {
+                deleted.push(child);
+            } else {
+                newChildren[this._getChildName(newItems.length)] = child;
+                newItems.push(this.options.items[i]);
             }
-        var child = this._children[this._getChildName(index)];
-        this._removeItemAt(index);
-        child.destroy();
+        }
+        this.options.items = newItems;
+        this._children = newChildren;
+        BI.each(deleted, function (i, c) {
+            c.destroy();
+        });
     },
 
     updateItemAt: function (index, item) {

src/css/base/single/text.css

@@ -6,5 +6,5 @@
   overflow-x: hidden;
   overflow-y: hidden;
   white-space: nowrap;
-  word-break: break-all;
+  word-break: break-word;
 }

src/less/base/single/text.less

@@ -2,5 +2,5 @@
 
 .bi-text{
   .overflow-dot();
-  word-break: break-all;
+  word-break: break-word;
 }