X-Git-Url: http://git.roojs.org/?a=blobdiff_plain;f=Roo%2FLayoutRegion.js;h=55a88b2aa9146c426a8dc7f253419312b31e859a;hb=75cbc4ce04c9c01ac47671cb01320ce699128d00;hp=2862553e59bee0092b11c110c59e10ec91869911;hpb=a889b107e7c5db089e8213ea9d60067ea1843612;p=roojs1

diff --git a/Roo/LayoutRegion.js b/Roo/LayoutRegion.js
index 2862553e59..55a88b2aa9 100644
--- a/Roo/LayoutRegion.js
+++ b/Roo/LayoutRegion.js
@@ -302,24 +302,29 @@ Roo.extend(Roo.LayoutRegion, Roo.BasicLayoutRegion, {
      * Collapses this region.
      * @param {Boolean} skipAnim (optional) true to collapse the element without animation (if animate is true)
      */
-    collapse : function(skipAnim){
+    collapse : function(skipAnim, skipCheck){
         if(this.collapsed) {
             return;
         }
-        this.collapsed = true;
-        if(this.split){
-            this.split.el.hide();
-        }
-        if(this.config.animate && skipAnim !== true){
-            this.fireEvent("invalidated", this);
-            this.animateCollapse();
-        }else{
-            this.el.setLocation(-20000,-20000);
-            this.el.hide();
-            this.collapsedEl.show();
-            this.fireEvent("collapsed", this);
-            this.fireEvent("invalidated", this);
+        
+        if(skipCheck || this.fireEvent("beforecollapse", this) != false){
+            
+            this.collapsed = true;
+            if(this.split){
+                this.split.el.hide();
+            }
+            if(this.config.animate && skipAnim !== true){
+                this.fireEvent("invalidated", this);
+                this.animateCollapse();
+            }else{
+                this.el.setLocation(-20000,-20000);
+                this.el.hide();
+                this.collapsedEl.show();
+                this.fireEvent("collapsed", this);
+                this.fireEvent("invalidated", this);
+            }
         }
+        
     },
 
     animateCollapse : function(){