+++ /dev/null
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <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 JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-Ext.ux.Portal = Ext.extend(Ext.Panel, {
- layout : 'column',
- autoScroll : true,
- cls : 'x-portal',
- defaultType : 'portalcolumn',
-
- initComponent : function(){
- Ext.ux.Portal.superclass.initComponent.call(this);
- this.addEvents({
- validatedrop:true,
- beforedragover:true,
- dragover:true,
- beforedrop:true,
- drop:true
- });
- },
-
- initEvents : function(){
- Ext.ux.Portal.superclass.initEvents.call(this);
- this.dd = new Ext.ux.Portal.DropZone(this, this.dropConfig);
- },
-
- beforeDestroy : function() {
- if(this.dd){
- this.dd.unreg();
- }
- Ext.ux.Portal.superclass.beforeDestroy.call(this);
- }
-});
-
-Ext.reg('portal', Ext.ux.Portal);
-
-Ext.ux.Portal.DropZone = Ext.extend(Ext.dd.DropTarget, {
-
- constructor : function(portal, cfg){
- this.portal = portal;
- Ext.dd.ScrollManager.register(portal.body);
- Ext.ux.Portal.DropZone.superclass.constructor.call(this, portal.bwrap.dom, cfg);
- portal.body.ddScrollConfig = this.ddScrollConfig;
- },
-
- ddScrollConfig : {
- vthresh: 50,
- hthresh: -1,
- animate: true,
- increment: 200
- },
-
- createEvent : function(dd, e, data, col, c, pos){
- return {
- portal: this.portal,
- panel: data.panel,
- columnIndex: col,
- column: c,
- position: pos,
- data: data,
- source: dd,
- rawEvent: e,
- status: this.dropAllowed
- };
- },
-
- notifyOver : function(dd, e, data){
- var xy = e.getXY(), portal = this.portal, px = dd.proxy;
-
- // case column widths
- if(!this.grid){
- this.grid = this.getGrid();
- }
-
- // handle case scroll where scrollbars appear during drag
- var cw = portal.body.dom.clientWidth;
- if(!this.lastCW){
- this.lastCW = cw;
- }else if(this.lastCW != cw){
- this.lastCW = cw;
- portal.doLayout();
- this.grid = this.getGrid();
- }
-
- // determine column
- var col = 0, xs = this.grid.columnX, cmatch = false;
- for(var len = xs.length; col < len; col++){
- if(xy[0] < (xs[col].x + xs[col].w)){
- cmatch = true;
- break;
- }
- }
- // no match, fix last index
- if(!cmatch){
- col--;
- }
-
- // find insert position
- var p, match = false, pos = 0,
- c = portal.items.itemAt(col),
- items = c.items.items, overSelf = false;
-
- for(var len = items.length; pos < len; pos++){
- p = items[pos];
- var h = p.el.getHeight();
- if(h === 0){
- overSelf = true;
- }
- else if((p.el.getY()+(h/2)) > xy[1]){
- match = true;
- break;
- }
- }
-
- pos = (match && p ? pos : c.items.getCount()) + (overSelf ? -1 : 0);
- var overEvent = this.createEvent(dd, e, data, col, c, pos);
-
- if(portal.fireEvent('validatedrop', overEvent) !== false &&
- portal.fireEvent('beforedragover', overEvent) !== false){
-
- // make sure proxy width is fluid
- px.getProxy().setWidth('auto');
-
- if(p){
- px.moveProxy(p.el.dom.parentNode, match ? p.el.dom : null);
- }else{
- px.moveProxy(c.el.dom, null);
- }
-
- this.lastPos = {c: c, col: col, p: overSelf || (match && p) ? pos : false};
- this.scrollPos = portal.body.getScroll();
-
- portal.fireEvent('dragover', overEvent);
-
- return overEvent.status;
- }else{
- return overEvent.status;
- }
-
- },
-
- notifyOut : function(){
- delete this.grid;
- },
-
- notifyDrop : function(dd, e, data){
- delete this.grid;
- if(!this.lastPos){
- return;
- }
- var c = this.lastPos.c,
- col = this.lastPos.col,
- pos = this.lastPos.p,
- panel = dd.panel,
- dropEvent = this.createEvent(dd, e, data, col, c,
- pos !== false ? pos : c.items.getCount());
-
- if(this.portal.fireEvent('validatedrop', dropEvent) !== false &&
- this.portal.fireEvent('beforedrop', dropEvent) !== false){
-
- dd.proxy.getProxy().remove();
- panel.el.dom.parentNode.removeChild(dd.panel.el.dom);
-
- if(pos !== false){
- c.insert(pos, panel);
- }else{
- c.add(panel);
- }
-
- c.doLayout();
-
- this.portal.fireEvent('drop', dropEvent);
-
- // scroll position is lost on drop, fix it
- var st = this.scrollPos.top;
- if(st){
- var d = this.portal.body.dom;
- setTimeout(function(){
- d.scrollTop = st;
- }, 10);
- }
-
- }
- delete this.lastPos;
- },
-
- // internal cache of body and column coords
- getGrid : function(){
- var box = this.portal.bwrap.getBox();
- box.columnX = [];
- this.portal.items.each(function(c){
- box.columnX.push({x: c.el.getX(), w: c.el.getWidth()});
- });
- return box;
- },
-
- // unregister the dropzone from ScrollManager
- unreg: function() {
- Ext.dd.ScrollManager.unregister(this.portal.body);
- Ext.ux.Portal.DropZone.superclass.unreg.call(this);
- }
-});
-</pre>
-</body>
-</html>
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