ColumnSplitDD.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:2k
源码类别:
中间件编程
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.0.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- // private
- // This is a support class used internally by the Grid components
- Ext.grid.SplitDragZone = function(grid, hd, hd2){
- this.grid = grid;
- this.view = grid.getView();
- this.proxy = this.view.resizeProxy;
- Ext.grid.SplitDragZone.superclass.constructor.call(this, hd,
- "gridSplitters" + this.grid.getGridEl().id, {
- dragElId : Ext.id(this.proxy.dom), resizeFrame:false
- });
- this.setHandleElId(Ext.id(hd));
- this.setOuterHandleElId(Ext.id(hd2));
- this.scroll = false;
- };
- Ext.extend(Ext.grid.SplitDragZone, Ext.dd.DDProxy, {
- fly: Ext.Element.fly,
- b4StartDrag : function(x, y){
- this.view.headersDisabled = true;
- this.proxy.setHeight(this.view.mainWrap.getHeight());
- var w = this.cm.getColumnWidth(this.cellIndex);
- var minw = Math.max(w-this.grid.minColumnWidth, 0);
- this.resetConstraints();
- this.setXConstraint(minw, 1000);
- this.setYConstraint(0, 0);
- this.minX = x - minw;
- this.maxX = x + 1000;
- this.startPos = x;
- Ext.dd.DDProxy.prototype.b4StartDrag.call(this, x, y);
- },
- handleMouseDown : function(e){
- var ev = Ext.EventObject.setEvent(e);
- var t = this.fly(ev.getTarget());
- if(t.hasClass("x-grid-split")){
- this.cellIndex = this.view.getCellIndex(t.dom);
- this.split = t.dom;
- this.cm = this.grid.colModel;
- if(this.cm.isResizable(this.cellIndex) && !this.cm.isFixed(this.cellIndex)){
- Ext.grid.SplitDragZone.superclass.handleMouseDown.apply(this, arguments);
- }
- }
- },
- endDrag : function(e){
- this.view.headersDisabled = false;
- var endX = Math.max(this.minX, Ext.lib.Event.getPageX(e));
- var diff = endX - this.startPos;
- this.view.onColumnSplitterMoved(this.cellIndex, this.cm.getColumnWidth(this.cellIndex)+diff);
- },
- autoOffset : function(){
- this.setDelta(0,0);
- }
- });