+++ /dev/null
-/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-/**
- * @class Ext.tree.ColumnResizer
- * @extends Ext.util.Observable
- */
-Ext.tree.ColumnResizer = Ext.extend(Ext.util.Observable, {
- /**
- * @cfg {Number} minWidth The minimum width the column can be dragged to.
- * Defaults to <tt>14</tt>.
- */
- minWidth: 14,
-
- constructor: function(config){
- Ext.apply(this, config);
- Ext.tree.ColumnResizer.superclass.constructor.call(this);
- },
-
- init : function(tree){
- this.tree = tree;
- tree.on('render', this.initEvents, this);
- },
-
- initEvents : function(tree){
- tree.mon(tree.innerHd, 'mousemove', this.handleHdMove, this);
- this.tracker = new Ext.dd.DragTracker({
- onBeforeStart: this.onBeforeStart.createDelegate(this),
- onStart: this.onStart.createDelegate(this),
- onDrag: this.onDrag.createDelegate(this),
- onEnd: this.onEnd.createDelegate(this),
- tolerance: 3,
- autoStart: 300
- });
- this.tracker.initEl(tree.innerHd);
- tree.on('beforedestroy', this.tracker.destroy, this.tracker);
- },
-
- handleHdMove : function(e, t){
- var hw = 5,
- x = e.getPageX(),
- hd = e.getTarget('.x-treegrid-hd', 3, true);
-
- if(hd){
- var r = hd.getRegion(),
- ss = hd.dom.style,
- pn = hd.dom.parentNode;
-
- if(x - r.left <= hw && hd.dom !== pn.firstChild) {
- var ps = hd.dom.previousSibling;
- while(ps && Ext.fly(ps).hasClass('x-treegrid-hd-hidden')) {
- ps = ps.previousSibling;
- }
- if(ps) {
- this.activeHd = Ext.get(ps);
- ss.cursor = Ext.isWebKit ? 'e-resize' : 'col-resize';
- }
- } else if(r.right - x <= hw) {
- var ns = hd.dom;
- while(ns && Ext.fly(ns).hasClass('x-treegrid-hd-hidden')) {
- ns = ns.previousSibling;
- }
- if(ns) {
- this.activeHd = Ext.get(ns);
- ss.cursor = Ext.isWebKit ? 'w-resize' : 'col-resize';
- }
- } else{
- delete this.activeHd;
- ss.cursor = '';
- }
- }
- },
-
- onBeforeStart : function(e){
- this.dragHd = this.activeHd;
- return !!this.dragHd;
- },
-
- onStart : function(e){
- this.dragHeadersDisabled = this.tree.headersDisabled;
- this.tree.headersDisabled = true;
- this.proxy = this.tree.body.createChild({cls:'x-treegrid-resizer'});
- this.proxy.setHeight(this.tree.body.getHeight());
-
- var x = this.tracker.getXY()[0];
-
- this.hdX = this.dragHd.getX();
- this.hdIndex = this.tree.findHeaderIndex(this.dragHd);
-
- this.proxy.setX(this.hdX);
- this.proxy.setWidth(x-this.hdX);
-
- this.maxWidth = this.tree.outerCt.getWidth() - this.tree.innerBody.translatePoints(this.hdX).left;
- },
-
- onDrag : function(e){
- var cursorX = this.tracker.getXY()[0];
- this.proxy.setWidth((cursorX-this.hdX).constrain(this.minWidth, this.maxWidth));
- },
-
- onEnd : function(e){
- var nw = this.proxy.getWidth(),
- tree = this.tree,
- disabled = this.dragHeadersDisabled;
-
- this.proxy.remove();
- delete this.dragHd;
-
- tree.columns[this.hdIndex].width = nw;
- tree.updateColumnWidths();
-
- setTimeout(function(){
- tree.headersDisabled = disabled;
- }, 100);
- }
-});
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