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* Copyright(c) 2006-2010 Ext JS, Inc.
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* http://www.extjs.com/license
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// This is a support class used internally by the Grid components
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Ext.grid.HeaderDragZone = Ext.extend(Ext.dd.DragZone, {
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constructor : function(grid, hd, hd2){
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this.view = grid.getView();
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this.ddGroup = "gridHeader" + this.grid.getGridEl().id;
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Ext.grid.HeaderDragZone.superclass.constructor.call(this, hd);
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this.setHandleElId(Ext.id(hd));
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this.setOuterHandleElId(Ext.id(hd2));
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getDragData : function(e){
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var t = Ext.lib.Event.getTarget(e),
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h = this.view.findHeaderCell(t);
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return {ddel: h.firstChild, header:h};
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onInitDrag : function(e){
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// keep the value here so we can restore it;
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this.dragHeadersDisabled = this.view.headersDisabled;
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this.view.headersDisabled = true;
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var clone = this.dragData.ddel.cloneNode(true);
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clone.style.width = Math.min(this.dragData.header.offsetWidth,this.maxDragWidth) + "px";
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this.proxy.update(clone);
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afterValidDrop : function(){
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afterInvalidDrop : function(){
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completeDrop: function(){
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disabled = this.dragHeadersDisabled;
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setTimeout(function(){
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v.headersDisabled = disabled;
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// This is a support class used internally by the Grid components
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Ext.grid.HeaderDropZone = Ext.extend(Ext.dd.DropZone, {
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proxyOffsets : [-4, -9],
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constructor : function(grid, hd, hd2){
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this.view = grid.getView();
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// split the proxies so they don't interfere with mouse events
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this.proxyTop = Ext.DomHelper.append(document.body, {
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cls:"col-move-top", html:" "
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this.proxyBottom = Ext.DomHelper.append(document.body, {
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cls:"col-move-bottom", html:" "
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this.proxyTop.hide = this.proxyBottom.hide = function(){
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this.setLeftTop(-100,-100);
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this.setStyle("visibility", "hidden");
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this.ddGroup = "gridHeader" + this.grid.getGridEl().id;
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// temporarily disabled
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//Ext.dd.ScrollManager.register(this.view.scroller.dom);
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Ext.grid.HeaderDropZone.superclass.constructor.call(this, grid.getGridEl().dom);
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getTargetFromEvent : function(e){
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var t = Ext.lib.Event.getTarget(e),
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cindex = this.view.findCellIndex(t);
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return this.view.getHeaderCell(cindex);
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nextVisible : function(h){
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var v = this.view, cm = this.grid.colModel;
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if(!cm.isHidden(v.getCellIndex(h))){
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prevVisible : function(h){
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var v = this.view, cm = this.grid.colModel;
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if(!cm.isHidden(v.getCellIndex(h))){
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positionIndicator : function(h, n, e){
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var x = Ext.lib.Event.getPageX(e),
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r = Ext.lib.Dom.getRegion(n.firstChild),
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py = r.top + this.proxyOffsets[1];
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if((r.right - x) <= (r.right-r.left)/2){
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px = r.right+this.view.borderWidth;
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if(this.grid.colModel.isFixed(this.view.getCellIndex(n))){
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px += this.proxyOffsets[0];
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this.proxyTop.setLeftTop(px, py);
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this.proxyTop.show();
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if(!this.bottomOffset){
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this.bottomOffset = this.view.mainHd.getHeight();
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this.proxyBottom.setLeftTop(px, py+this.proxyTop.dom.offsetHeight+this.bottomOffset);
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this.proxyBottom.show();
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onNodeEnter : function(n, dd, e, data){
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if(data.header != n){
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this.positionIndicator(data.header, n, e);
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onNodeOver : function(n, dd, e, data){
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if(data.header != n){
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result = this.positionIndicator(data.header, n, e);
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this.proxyTop.hide();
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this.proxyBottom.hide();
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return result ? this.dropAllowed : this.dropNotAllowed;
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onNodeOut : function(n, dd, e, data){
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this.proxyTop.hide();
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this.proxyBottom.hide();
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onNodeDrop : function(n, dd, e, data){
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var cm = this.grid.colModel,
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x = Ext.lib.Event.getPageX(e),
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r = Ext.lib.Dom.getRegion(n.firstChild),
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pt = (r.right - x) <= ((r.right-r.left)/2) ? "after" : "before",
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oldIndex = this.view.getCellIndex(h),
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newIndex = this.view.getCellIndex(n);
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if(oldIndex < newIndex){
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cm.moveColumn(oldIndex, newIndex);
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Ext.grid.GridView.ColumnDragZone = Ext.extend(Ext.grid.HeaderDragZone, {
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constructor : function(grid, hd){
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Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null);
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this.proxy.el.addClass('x-grid3-col-dd');
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handleMouseDown : function(e){
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callHandleMouseDown : function(e){
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Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e);
b'\\ No newline at end of file'