/** - * @class Ext.ListView.ColumnResizer - * @extends Ext.util.Observable - *- + + + +Supporting Class for Ext.ListView.
- * @constructor - * @param {Object} config - */ -Ext.ListView.ColumnResizer = Ext.extend(Ext.util.Observable, { - /** - * @cfg {Number} minPct The minimum percentage to allot for any column (defaults to .05) - */ - minPct: .05, - - constructor: function(config){ - Ext.apply(this, config); - Ext.ListView.ColumnResizer.superclass.constructor.call(this); - }, - init : function(listView){ - this.view = listView; - listView.on('render', this.initEvents, this); - }, - - initEvents : function(view){ - view.mon(view.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(view.innerHd); - view.on('beforedestroy', this.tracker.destroy, this.tracker); - }, - - handleHdMove : function(e, t){ - var hw = 5; - var x = e.getPageX(); - var hd = e.getTarget('em', 3, true); - if(hd){ - var r = hd.getRegion(); - var ss = hd.dom.style; - var pn = hd.dom.parentNode; - - if(x - r.left <= hw && pn != pn.parentNode.firstChild){ - this.activeHd = Ext.get(pn.previousSibling.firstChild); - ss.cursor = Ext.isWebKit ? 'e-resize' : 'col-resize'; - } else if(r.right - x <= hw && pn != pn.parentNode.lastChild.previousSibling){ - this.activeHd = hd; - 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.view.disableHeaders = true; - this.proxy = this.view.el.createChild({cls:'x-list-resizer'}); - this.proxy.setHeight(this.view.el.getHeight()); - - var x = this.tracker.getXY()[0]; - var w = this.view.innerHd.getWidth(); - - this.hdX = this.dragHd.getX(); - this.hdIndex = this.view.findHeaderIndex(this.dragHd); - - this.proxy.setX(this.hdX); - this.proxy.setWidth(x-this.hdX); - - this.minWidth = w*this.minPct; - this.maxWidth = w - (this.minWidth*(this.view.columns.length-1-this.hdIndex)); - }, - - 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(); - this.proxy.remove(); - - var index = this.hdIndex; - var vw = this.view, cs = vw.columns, len = cs.length; - var w = this.view.innerHd.getWidth(), minPct = this.minPct * 100; - - var pct = Math.ceil((nw*100) / w); - var diff = cs[index].width - pct; - var each = Math.floor(diff / (len-1-index)); - var mod = diff - (each * (len-1-index)); - - for(var i = index+1; i < len; i++){ - var cw = cs[i].width + each; - var ncw = Math.max(minPct, cw); - if(cw != ncw){ - mod += cw - ncw; - } - cs[i].width = ncw; - } - cs[index].width = pct; - cs[index+1].width += mod; - delete this.dragHd; - this.view.setHdWidths(); - this.view.refresh(); - setTimeout(function(){ - vw.disableHeaders = false; - }, 100); - } -});
/*! + * Ext JS Library 3.2.1 + * Copyright(c) 2006-2010 Ext JS, Inc. + * licensing@extjs.com + * http://www.extjs.com/license + */ +/** + * @class Ext.list.ColumnResizer + * @extends Ext.util.Observable + *+ \ No newline at end of fileSupporting Class for Ext.list.ListView
+ * @constructor + * @param {Object} config + */ +Ext.list.ColumnResizer = Ext.extend(Ext.util.Observable, { + /** + * @cfg {Number} minPct The minimum percentage to allot for any column (defaults to .05) + */ + minPct: .05, + + constructor: function(config){ + Ext.apply(this, config); + Ext.list.ColumnResizer.superclass.constructor.call(this); + }, + init : function(listView){ + this.view = listView; + listView.on('render', this.initEvents, this); + }, + + initEvents : function(view){ + view.mon(view.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(view.innerHd); + view.on('beforedestroy', this.tracker.destroy, this.tracker); + }, + + handleHdMove : function(e, t){ + var hw = 5, + x = e.getPageX(), + hd = e.getTarget('em', 3, true); + if(hd){ + var r = hd.getRegion(), + ss = hd.dom.style, + pn = hd.dom.parentNode; + + if(x - r.left <= hw && pn != pn.parentNode.firstChild){ + this.activeHd = Ext.get(pn.previousSibling.firstChild); + ss.cursor = Ext.isWebKit ? 'e-resize' : 'col-resize'; + } else if(r.right - x <= hw && pn != pn.parentNode.lastChild.previousSibling){ + this.activeHd = hd; + 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.view.disableHeaders = true; + this.proxy = this.view.el.createChild({cls:'x-list-resizer'}); + this.proxy.setHeight(this.view.el.getHeight()); + + var x = this.tracker.getXY()[0], + w = this.view.innerHd.getWidth(); + + this.hdX = this.dragHd.getX(); + this.hdIndex = this.view.findHeaderIndex(this.dragHd); + + this.proxy.setX(this.hdX); + this.proxy.setWidth(x-this.hdX); + + this.minWidth = w*this.minPct; + this.maxWidth = w - (this.minWidth*(this.view.columns.length-1-this.hdIndex)); + }, + + onDrag: function(e){ + var cursorX = this.tracker.getXY()[0]; + this.proxy.setWidth((cursorX-this.hdX).constrain(this.minWidth, this.maxWidth)); + }, + + onEnd: function(e){ + /* calculate desired width by measuring proxy and then remove it */ + var nw = this.proxy.getWidth(); + this.proxy.remove(); + + var index = this.hdIndex, + vw = this.view, + cs = vw.columns, + len = cs.length, + w = this.view.innerHd.getWidth(), + minPct = this.minPct * 100, + pct = Math.ceil((nw * vw.maxWidth) / w), + diff = (cs[index].width * 100) - pct, + eachItem = Math.floor(diff / (len-1-index)), + mod = diff - (eachItem * (len-1-index)); + + for(var i = index+1; i < len; i++){ + var cw = (cs[i].width * 100) + eachItem, + ncw = Math.max(minPct, cw); + if(cw != ncw){ + mod += cw - ncw; + } + cs[i].width = ncw / 100; + } + cs[index].width = pct / 100; + cs[index+1].width += (mod / 100); + delete this.dragHd; + vw.setHdWidths(); + vw.refresh(); + setTimeout(function(){ + vw.disableHeaders = false; + }, 100); + } +}); + +// Backwards compatibility alias +Ext.ListView.ColumnResizer = Ext.list.ColumnResizer;