Ext.grid.HeaderDragZone=function(a,c,b){this.grid=a;this.view=a.getView();this.ddGroup="gridHeader"+this.grid.getGridEl().id;Ext.grid.HeaderDragZone.superclass.constructor.call(this,c);if(b){this.setHandleElId(Ext.id(c));this.setOuterHandleElId(Ext.id(b))}this.scroll=false};Ext.extend(Ext.grid.HeaderDragZone,Ext.dd.DragZone,{maxDragWidth:120,getDragData:function(c){var a=Ext.lib.Event.getTarget(c);var b=this.view.findHeaderCell(a);if(b){return{ddel:b.firstChild,header:b}}return false},onInitDrag:function(a){this.view.headersDisabled=true;var b=this.dragData.ddel.cloneNode(true);b.id=Ext.id();b.style.width=Math.min(this.dragData.header.offsetWidth,this.maxDragWidth)+"px";this.proxy.update(b);return true},afterValidDrop:function(){var a=this.view;setTimeout(function(){a.headersDisabled=false},50)},afterInvalidDrop:function(){var a=this.view;setTimeout(function(){a.headersDisabled=false},50)}});Ext.grid.HeaderDropZone=function(a,c,b){this.grid=a;this.view=a.getView();this.proxyTop=Ext.DomHelper.append(document.body,{cls:"col-move-top",html:"&#160;"},true);this.proxyBottom=Ext.DomHelper.append(document.body,{cls:"col-move-bottom",html:"&#160;"},true);this.proxyTop.hide=this.proxyBottom.hide=function(){this.setLeftTop(-100,-100);this.setStyle("visibility","hidden")};this.ddGroup="gridHeader"+this.grid.getGridEl().id;Ext.grid.HeaderDropZone.superclass.constructor.call(this,a.getGridEl().dom)};Ext.extend(Ext.grid.HeaderDropZone,Ext.dd.DropZone,{proxyOffsets:[-4,-9],fly:Ext.Element.fly,getTargetFromEvent:function(c){var a=Ext.lib.Event.getTarget(c);var b=this.view.findCellIndex(a);if(b!==false){return this.view.getHeaderCell(b)}},nextVisible:function(c){var b=this.view,a=this.grid.colModel;c=c.nextSibling;while(c){if(!a.isHidden(b.getCellIndex(c))){return c}c=c.nextSibling}return null},prevVisible:function(c){var b=this.view,a=this.grid.colModel;c=c.prevSibling;while(c){if(!a.isHidden(b.getCellIndex(c))){return c}c=c.prevSibling}return null},positionIndicator:function(d,b,f){var j=Ext.lib.Event.getPageX(f);var a=Ext.lib.Dom.getRegion(b.firstChild);var k,m,i=a.top+this.proxyOffsets[1];if((a.right-j)<=(a.right-a.left)/2){k=a.right+this.view.borderWidth;m="after"}else{k=a.left;m="before"}var g=this.view.getCellIndex(d);var l=this.view.getCellIndex(b);if(this.grid.colModel.isFixed(l)){return false}var c=this.grid.colModel.isLocked(l);if(m=="after"){l++}if(g<l){l--}if(g==l&&(c==this.grid.colModel.isLocked(g))){return false}k+=this.proxyOffsets[0];this.proxyTop.setLeftTop(k,i);this.proxyTop.show();if(!this.bottomOffset){this.bottomOffset=this.view.mainHd.getHeight()}this.proxyBottom.setLeftTop(k,i+this.proxyTop.dom.offsetHeight+this.bottomOffset);this.proxyBottom.show();return m},onNodeEnter:function(d,a,c,b){if(b.header!=d){this.positionIndicator(b.header,d,c)}},onNodeOver:function(f,b,d,c){var a=false;if(c.header!=f){a=this.positionIndicator(c.header,f,d)}if(!a){this.proxyTop.hide();this.proxyBottom.hide()}return a?this.dropAllowed:this.dropNotAllowed},onNodeOut:function(d,a,c,b){this.proxyTop.hide();this.proxyBottom.hide()},onNodeDrop:function(b,m,g,d){var f=d.header;if(f!=b){var k=this.grid.colModel;var j=Ext.lib.Event.getPageX(g);var a=Ext.lib.Dom.getRegion(b.firstChild);var o=(a.right-j)<=((a.right-a.left)/2)?"after":"before";var i=this.view.getCellIndex(f);var l=this.view.getCellIndex(b);var c=k.isLocked(l);if(o=="after"){l++}if(i<l){l--}if(i==l&&(c==k.isLocked(i))){return false}k.setLocked(i,c,true);k.moveColumn(i,l);this.grid.fireEvent("columnmove",i,l);return true}return false}});Ext.grid.GridView.ColumnDragZone=function(a,b){Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this,a,b,null);this.proxy.el.addClass("x-grid3-col-dd")};Ext.extend(Ext.grid.GridView.ColumnDragZone,Ext.grid.HeaderDragZone,{handleMouseDown:function(a){},callHandleMouseDown:function(a){Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this,a)}});