/*
 * Ext JS Library 2.3.0
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */


Ext.grid.HeaderDragZone=function(grid,hd,hd2){this.grid=grid;this.view=grid.getView();this.ddGroup="gridHeader"+this.grid.getGridEl().id;Ext.grid.HeaderDragZone.superclass.constructor.call(this,hd);if(hd2){this.setHandleElId(Ext.id(hd));this.setOuterHandleElId(Ext.id(hd2));}
this.scroll=false;};Ext.extend(Ext.grid.HeaderDragZone,Ext.dd.DragZone,{maxDragWidth:120,getDragData:function(e){var t=Ext.lib.Event.getTarget(e);var h=this.view.findHeaderCell(t);if(h){return{ddel:h.firstChild,header:h};}
return false;},onInitDrag:function(e){this.view.headersDisabled=true;var clone=this.dragData.ddel.cloneNode(true);clone.id=Ext.id();clone.style.width=Math.min(this.dragData.header.offsetWidth,this.maxDragWidth)+"px";this.proxy.update(clone);return true;},afterValidDrop:function(){var v=this.view;setTimeout(function(){v.headersDisabled=false;},50);},afterInvalidDrop:function(){var v=this.view;setTimeout(function(){v.headersDisabled=false;},50);}});Ext.grid.HeaderDropZone=function(grid,hd,hd2){this.grid=grid;this.view=grid.getView();this.proxyTop=Ext.DomHelper.append(document.body,{cls:"col-move-top",html:" "},true);this.proxyBottom=Ext.DomHelper.append(document.body,{cls:"col-move-bottom",html:" "},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,grid.getGridEl().dom);};Ext.extend(Ext.grid.HeaderDropZone,Ext.dd.DropZone,{proxyOffsets:[-4,-9],fly:Ext.Element.fly,getTargetFromEvent:function(e){var t=Ext.lib.Event.getTarget(e);var cindex=this.view.findCellIndex(t);if(cindex!==false){return this.view.getHeaderCell(cindex);}},nextVisible:function(h){var v=this.view,cm=this.grid.colModel;h=h.nextSibling;while(h){if(!cm.isHidden(v.getCellIndex(h))){return h;}
h=h.nextSibling;}
return null;},prevVisible:function(h){var v=this.view,cm=this.grid.colModel;h=h.prevSibling;while(h){if(!cm.isHidden(v.getCellIndex(h))){return h;}
h=h.prevSibling;}
return null;},positionIndicator:function(h,n,e){var x=Ext.lib.Event.getPageX(e);var r=Ext.lib.Dom.getRegion(n.firstChild);var px,pt,py=r.top+this.proxyOffsets[1];if((r.right-x)<=(r.right-r.left)/2){px=r.right+this.view.borderWidth;pt="after";}else{px=r.left;pt="before";}
var oldIndex=this.view.getCellIndex(h);var newIndex=this.view.getCellIndex(n);if(this.grid.colModel.isFixed(newIndex)){return false;}
var locked=this.grid.colModel.isLocked(newIndex);if(pt=="after"){newIndex++;}
if(oldIndex<newIndex){newIndex--;}
if(oldIndex==newIndex&&(locked==this.grid.colModel.isLocked(oldIndex))){return false;}
px+=this.proxyOffsets[0];this.proxyTop.setLeftTop(px,py);this.proxyTop.show();if(!this.bottomOffset){this.bottomOffset=this.view.mainHd.getHeight();}
this.proxyBottom.setLeftTop(px,py+this.proxyTop.dom.offsetHeight+this.bottomOffset);this.proxyBottom.show();return pt;},onNodeEnter:function(n,dd,e,data){if(data.header!=n){this.positionIndicator(data.header,n,e);}},onNodeOver:function(n,dd,e,data){var result=false;if(data.header!=n){result=this.positionIndicator(data.header,n,e);}
if(!result){this.proxyTop.hide();this.proxyBottom.hide();}
return result?this.dropAllowed:this.dropNotAllowed;},onNodeOut:function(n,dd,e,data){this.proxyTop.hide();this.proxyBottom.hide();},onNodeDrop:function(n,dd,e,data){var h=data.header;if(h!=n){var cm=this.grid.colModel;var x=Ext.lib.Event.getPageX(e);var r=Ext.lib.Dom.getRegion(n.firstChild);var pt=(r.right-x)<=((r.right-r.left)/2)?"after":"before";var oldIndex=this.view.getCellIndex(h);var newIndex=this.view.getCellIndex(n);var locked=cm.isLocked(newIndex);if(pt=="after"){newIndex++;}
if(oldIndex<newIndex){newIndex--;}
if(oldIndex==newIndex&&(locked==cm.isLocked(oldIndex))){return false;}
cm.setLocked(oldIndex,locked,true);cm.moveColumn(oldIndex,newIndex);this.grid.fireEvent("columnmove",oldIndex,newIndex);return true;}
return false;}});Ext.grid.GridView.ColumnDragZone=function(grid,hd){Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this,grid,hd,null);this.proxy.el.addClass('x-grid3-col-dd');};Ext.extend(Ext.grid.GridView.ColumnDragZone,Ext.grid.HeaderDragZone,{handleMouseDown:function(e){},callHandleMouseDown:function(e){Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this,e);}});