+++ /dev/null
-<html>
-<head>
- <title>The source code</title>
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
-</head>
-<body onload="prettyPrint();">
- <pre class="prettyprint lang-js">Ext.ux.Portal = Ext.extend(Ext.Panel, {\r
- layout : 'column',\r
- autoScroll : true,\r
- cls : 'x-portal',\r
- defaultType : 'portalcolumn',\r
- \r
- initComponent : function(){\r
- Ext.ux.Portal.superclass.initComponent.call(this);\r
- this.addEvents({\r
- validatedrop:true,\r
- beforedragover:true,\r
- dragover:true,\r
- beforedrop:true,\r
- drop:true\r
- });\r
- },\r
-\r
- initEvents : function(){\r
- Ext.ux.Portal.superclass.initEvents.call(this);\r
- this.dd = new Ext.ux.Portal.DropZone(this, this.dropConfig);\r
- },\r
- \r
- beforeDestroy : function() {\r
- if(this.dd){\r
- this.dd.unreg();\r
- }\r
- Ext.ux.Portal.superclass.beforeDestroy.call(this);\r
- }\r
-});\r
-\r
-Ext.reg('portal', Ext.ux.Portal);\r
-\r
-\r
-Ext.ux.Portal.DropZone = function(portal, cfg){\r
- this.portal = portal;\r
- Ext.dd.ScrollManager.register(portal.body);\r
- Ext.ux.Portal.DropZone.superclass.constructor.call(this, portal.bwrap.dom, cfg);\r
- portal.body.ddScrollConfig = this.ddScrollConfig;\r
-};\r
-\r
-Ext.extend(Ext.ux.Portal.DropZone, Ext.dd.DropTarget, {\r
- ddScrollConfig : {\r
- vthresh: 50,\r
- hthresh: -1,\r
- animate: true,\r
- increment: 200\r
- },\r
-\r
- createEvent : function(dd, e, data, col, c, pos){\r
- return {\r
- portal: this.portal,\r
- panel: data.panel,\r
- columnIndex: col,\r
- column: c,\r
- position: pos,\r
- data: data,\r
- source: dd,\r
- rawEvent: e,\r
- status: this.dropAllowed\r
- };\r
- },\r
-\r
- notifyOver : function(dd, e, data){\r
- var xy = e.getXY(), portal = this.portal, px = dd.proxy;\r
-\r
- // case column widths\r
- if(!this.grid){\r
- this.grid = this.getGrid();\r
- }\r
-\r
- // handle case scroll where scrollbars appear during drag\r
- var cw = portal.body.dom.clientWidth;\r
- if(!this.lastCW){\r
- this.lastCW = cw;\r
- }else if(this.lastCW != cw){\r
- this.lastCW = cw;\r
- portal.doLayout();\r
- this.grid = this.getGrid();\r
- }\r
-\r
- // determine column\r
- var col = 0, xs = this.grid.columnX, cmatch = false;\r
- for(var len = xs.length; col < len; col++){\r
- if(xy[0] < (xs[col].x + xs[col].w)){\r
- cmatch = true;\r
- break;\r
- }\r
- }\r
- // no match, fix last index\r
- if(!cmatch){\r
- col--;\r
- }\r
-\r
- // find insert position\r
- var p, match = false, pos = 0,\r
- c = portal.items.itemAt(col),\r
- items = c.items.items, overSelf = false;\r
-\r
- for(var len = items.length; pos < len; pos++){\r
- p = items[pos];\r
- var h = p.el.getHeight();\r
- if(h === 0){\r
- overSelf = true;\r
- }\r
- else if((p.el.getY()+(h/2)) > xy[1]){\r
- match = true;\r
- break;\r
- }\r
- }\r
-\r
- pos = (match && p ? pos : c.items.getCount()) + (overSelf ? -1 : 0);\r
- var overEvent = this.createEvent(dd, e, data, col, c, pos);\r
-\r
- if(portal.fireEvent('validatedrop', overEvent) !== false &&\r
- portal.fireEvent('beforedragover', overEvent) !== false){\r
-\r
- // make sure proxy width is fluid\r
- px.getProxy().setWidth('auto');\r
-\r
- if(p){\r
- px.moveProxy(p.el.dom.parentNode, match ? p.el.dom : null);\r
- }else{\r
- px.moveProxy(c.el.dom, null);\r
- }\r
-\r
- this.lastPos = {c: c, col: col, p: overSelf || (match && p) ? pos : false};\r
- this.scrollPos = portal.body.getScroll();\r
-\r
- portal.fireEvent('dragover', overEvent);\r
-\r
- return overEvent.status;\r
- }else{\r
- return overEvent.status;\r
- }\r
-\r
- },\r
-\r
- notifyOut : function(){\r
- delete this.grid;\r
- },\r
-\r
- notifyDrop : function(dd, e, data){\r
- delete this.grid;\r
- if(!this.lastPos){\r
- return;\r
- }\r
- var c = this.lastPos.c, col = this.lastPos.col, pos = this.lastPos.p;\r
-\r
- var dropEvent = this.createEvent(dd, e, data, col, c,\r
- pos !== false ? pos : c.items.getCount());\r
-\r
- if(this.portal.fireEvent('validatedrop', dropEvent) !== false &&\r
- this.portal.fireEvent('beforedrop', dropEvent) !== false){\r
-\r
- dd.proxy.getProxy().remove();\r
- dd.panel.el.dom.parentNode.removeChild(dd.panel.el.dom);\r
- \r
- if(pos !== false){\r
- if(c == dd.panel.ownerCt && (c.items.items.indexOf(dd.panel) <= pos)){\r
- pos++;\r
- }\r
- c.insert(pos, dd.panel);\r
- }else{\r
- c.add(dd.panel);\r
- }\r
- \r
- c.doLayout();\r
-\r
- this.portal.fireEvent('drop', dropEvent);\r
-\r
- // scroll position is lost on drop, fix it\r
- var st = this.scrollPos.top;\r
- if(st){\r
- var d = this.portal.body.dom;\r
- setTimeout(function(){\r
- d.scrollTop = st;\r
- }, 10);\r
- }\r
-\r
- }\r
- delete this.lastPos;\r
- },\r
-\r
- // internal cache of body and column coords\r
- getGrid : function(){\r
- var box = this.portal.bwrap.getBox();\r
- box.columnX = [];\r
- this.portal.items.each(function(c){\r
- box.columnX.push({x: c.el.getX(), w: c.el.getWidth()});\r
- });\r
- return box;\r
- },\r
-\r
- // unregister the dropzone from ScrollManager\r
- unreg: function() {\r
- //Ext.dd.ScrollManager.unregister(this.portal.body);\r
- Ext.ux.Portal.DropZone.superclass.unreg.call(this);\r
- }\r
-});\r
-</pre>
-</body>
-</html>
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