text: /**
   * Copyright (c) 2008-2009
   * Falko Menge
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   **/
  
  if(!ORYX.Plugins)
  	ORYX.Plugins = new Object();
  
  /**
   * Aggregates an XForms user interface based on an annotated BPMN model
   */
  ORYX.Plugins.BPMN2XForms = ORYX.Plugins.AbstractPlugin.extend({
  	
  	stencilSetExtensionSuffix: '/bpmn-xforms-user-interfaces#',
  
  	construct: function() {
  
  		arguments.callee.$.construct.apply(this, arguments);
  	
  		this.facade.offer({
  			'name'				: "Aggregate User Interface",
  			'functionality'		: this.aggregateUI.bind(this),
  			'group'				: "User Interface Generation",
              dropDownGroupIcon   : ORYX.PATH + "images/bpmn2xforms.png",
  			'icon'				: ORYX.PATH + "images/page_world.png",
  			'description'		: "Aggregates an XForm out of BPMN (requires 'BPMN Extension for XForms User Interfaces')",
  			'index'				: 1,
  			'minShape'			: 0,
  			'maxShape'			: 0//,
  //			'isEnabled'			: this.isStencilSetExtensionLoaded.bind(this)
  		});
  
  /*
  		this.facade.offer({
  			'name'				: "Aggregate User Interface and render in Orbeon",
  			'functionality'		: this.aggregateUIAndRenderInOrbeon.bind(this),
  			'group'				: "User Interface Generation",
              dropDownGroupIcon   : ORYX.PATH + "images/bpmn2xforms.png",
  			'icon'				: ORYX.PATH + "images/xforms_orbeon_export.png",
  			'description'		: "Aggregates an XForm out of BPMN (requires 'BPMN Extension for XForms User Interfaces')",
  			'index'				: 2,
  			'minShape'			: 0,
  			'maxShape'			: 0//,
  //			'isEnabled'			: this.isStencilSetExtensionLoaded.bind(this)
  		});
  */
  
  		this.facade.offer({
  			'name'				: "Save Aggregated User Interface",
  			'functionality'		: this.saveAggregatedUI.bind(this),
  			'group'				: "User Interface Generation",
              dropDownGroupIcon   : ORYX.PATH + "images/bpmn2xforms.png",
  			'icon'				: ORYX.PATH + "images/page_save.png",
  			'description'		: "Aggregates an XForm out of BPMN and stores it on the server (requires 'BPMN Extension for XForms User Interfaces')",
  			'index'				: 3,
  			'minShape'			: 0,
  			'maxShape'			: 0//,
  //			'isEnabled'			: this.isStencilSetExtensionLoaded.bind(this)
  		});
  		
  		this.facade.offer({
  			'name'				: "Browse Saved User Interfaces",
  			'functionality'		: this.browseAggregatedUIs.bind(this),
  			'group'				: "User Interface Generation",
              dropDownGroupIcon   : ORYX.PATH + "images/bpmn2xforms.png",
  			'icon'				: ORYX.PATH + "images/folder_page.png",
  			'description'		: "Opens a list of Aggregated User Interfaces that are stored on the server.",
  			'index'				: 4,
  			'minShape'			: 0,
  			'maxShape'			: 0//,
  //			'isEnabled'			: this.isStencilSetExtensionLoaded.bind(this)
  		});
  		
  			
  	},
  
  	aggregateUI: function() {
  		this.invokeBPMN2XFormsServlet(ORYX.CONFIG.ROOT_PATH + 'bpmn2xforms', this.openXMLWindow.bind(this));
  	},
  
  	aggregateUIAndRenderInOrbeon: function() {
  		this.invokeBPMN2XFormsServlet(ORYX.CONFIG.ROOT_PATH + 'bpmn2xforms-orbeon', this.openOrbeonWindow.bind(this));
  	},
  
  	saveAggregatedUI: function() {
  		this.invokeBPMN2XFormsServlet(ORYX.CONFIG.ROOT_PATH + 'bpmn2xforms?save=true', window.open.bind(window));
  	},
  
  	browseAggregatedUIs: function() {
  		window.open("/oryx/generated-uis/", "_blank", "resizable=yes,width=640,height=480,toolbar=0,scrollbars=yes");
  	},
  
  	openOrbeonWindow: function(content) {
  		var win = window.open(
  		   'data:application/xml,' + encodeURIComponent(
  		     content
  		   ),
  		   '_blank', "resizable=yes,width=600,height=600,toolbar=0,scrollbars=yes"
  		);
  	},
  
  	invokeBPMN2XFormsServlet: function( servletURL, xhtmlHandleFunction ) {
  		
  		var loadMask = new Ext.LoadMask(Ext.getBody(), {msg:"Aggregating User Interface..."});
  		loadMask.show();
  		
  		var rdfString = this.getRDFFromDOM();
  		this._sendRequest(
  				servletURL,
  				'POST',
  				{ 'data' : rdfString },
  				function( arg ) { 
  					xhtmlHandleFunction( arg );  
  					loadMask.hide();
  				}.bind(this),
  				function() { 
  					loadMask.hide(); 
  					this._showErrorMessageBox("Oryx", "User Interface Aggregation failed.");
  					ORYX.log.warn("User Interface Aggregation failed: " + transport.responseText);
  				}.bind(this)
  			);
  	},
  
  	_sendRequest: function( url, method, params, successcallback, failedcallback ){
  
  		var suc = false;
  
  		new Ajax.Request(url, {
             method			: method,
             asynchronous	: false,
             parameters		: params,
  		   onSuccess		: function(transport) {
  				
  				suc = true;
  				
  				if(successcallback){
  					successcallback( transport.responseText );
  				}
  				
  			}.bind(this),
  			
  			onFailure : function(transport) {
  
  				if(failedcallback){
  					failedcallback();
  					
  				} else {
  					Ext.Msg.alert("Oryx", "User Interface Aggregation failed.");
  					ORYX.log.warn("User Interface Aggregation failed: " + transport.responseText);	
  				}
  				
  			}.bind(this)		
  		});
  		
  		return suc;		
  	},
  	
  	_showErrorMessageBox: function(title, msg){
          Ext.MessageBox.show({
             title: title,
             msg: msg,
             buttons: Ext.MessageBox.OK,
             icon: Ext.MessageBox.ERROR
         });
  	},
  
  	// unused: only XHTML without interaction diagram
  	transform: function() {		
  
  		var xslt		= ORYX.PATH + "xslt/BPMN2XHTML.xslt"; 
  		var transformed = this.doTransform( this.getRDFFromDOM(), xslt );
  		
  		//this.openDownloadWindow( window.document.title + ".xml", transformed );
  		
  		var win = window.open("data:application/xhtml+xml," +
  				transformed, 
  				"_blank", 
  				"resizable=yes,width=640,height=480,toolbar=0,scrollbars=yes");
  		
  	},
  	
  	isStencilSetExtensionLoaded: function() {
  		return this.facade.getStencilSets().values().any(
  			function(ss){ 
  				return ss.extensions().keys().any(
  					function(extensionKey) {
  						return extensionKey.endsWith(this.stencilSetExtensionSuffix);
  					}.bind(this)
  				);
  			}.bind(this)
  		);
  	}
  
  });
  