/*
 * Ext JS Library 1.1 RC 1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://www.extjs.com/license
 */

// private// This is a support class used internally by the Grid componentsExt.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){        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);    }});