--- /dev/null
+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <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> \r
+</body>\r
+</html>
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git.ithinksw.org / extjs.git / blobdiff