Added base files

Duncan Ewan

2021-02-19 3e758c29e0fde36fc088efcfc88f9a3014432b64

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/*!
 * Ext JS Library 3.1.0
 * 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 = Ext.extend(Ext.dd.DDProxy, {
    fly: Ext.Element.fly,
    
    constructor : 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;
    },
 
    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);
    }
});