Initial OpenECOMP Portal commit

[portal.git] / ecomp-portal-FE / client / bower_components / jquery.event.drag-new / event.drag / jquery.event.drag.live.js

diff --git a/ecomp-portal-FE/client/bower_components/jquery.event.drag-new/event.drag/jquery.event.drag.live.js b/ecomp-portal-FE/client/bower_components/jquery.event.drag-new/event.drag/jquery.event.drag.live.js
new file mode 100644 (file)
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+++ b/ecomp-portal-FE/client/bower_components/jquery.event.drag-new/event.drag/jquery.event.drag.live.js
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+/*! 
+ * jquery.event.drag.live - v 2.2
+ * Copyright (c) 2010 Three Dub Media - http://threedubmedia.com
+ * Open Source MIT License - http://threedubmedia.com/code/license
+ */
+// Created: 2010-06-07
+// Updated: 2012-05-21
+// REQUIRES: jquery 1.7.x, event.drag 2.2
+
+;(function( $ ){
+       
+// local refs (increase compression)
+var $event = $.event,
+// ref the special event config
+drag = $event.special.drag,
+// old drag event add method
+origadd = drag.add,
+// old drag event teradown method
+origteardown = drag.teardown;
+
+// allow events to bubble for delegation
+drag.noBubble = false;
+
+// the namespace for internal live events
+drag.livekey = "livedrag";
+
+// new drop event add method
+drag.add = function( obj ){ 
+       // call the old method
+       origadd.apply( this, arguments );
+       // read the data
+       var data = $.data( this, drag.datakey );
+       // bind the live "draginit" delegator
+       if ( !data.live && obj.selector ){
+               data.live = true;
+               $event.add( this, "draginit."+ drag.livekey, drag.delegate );
+       }
+};
+
+// new drop event teardown method
+drag.teardown = function(){ 
+       // call the old method
+       origteardown.apply( this, arguments );
+       // read the data
+       var data = $.data( this, drag.datakey ) || {};
+       // bind the live "draginit" delegator
+       if ( data.live ){
+               // remove the "live" delegation
+               $event.remove( this, "draginit."+ drag.livekey, drag.delegate );
+               data.live = false;
+       }
+};
+
+// identify potential delegate elements
+drag.delegate = function( event ){
+       // local refs
+       var elems = [], target, 
+       // element event structure
+       events = $.data( this, "events" ) || {};
+       // query live events
+       $.each( events || [], function( key, arr ){
+               // no event type matches
+               if ( key.indexOf("drag") !== 0 )
+                       return;
+               $.each( arr || [], function( i, obj ){
+                       // locate the element to delegate
+                       target = $( event.target ).closest( obj.selector, event.currentTarget )[0];
+                       // no element found
+                       if ( !target ) 
+                               return;
+                       // add an event handler
+                       $event.add( target, obj.origType+'.'+drag.livekey, obj.origHandler || obj.handler, obj.data );
+                       // remember new elements
+                       if ( $.inArray( target, elems ) < 0 )
+                               elems.push( target );           
+               });
+       });
+       // if there are no elements, break
+       if ( !elems.length ) 
+               return false;
+       // return the matched results, and clenup when complete         
+       return $( elems ).bind("dragend."+ drag.livekey, function(){
+               $event.remove( this, "."+ drag.livekey ); // cleanup delegation
+       });
+};
+       
+})( jQuery );
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