/** 
 * Project  : AMDA-NG4
 * Name     : InteractiveModule.js
 * @class   amdaDesktop.InteractiveModule 
 * @extends amdaDesktop.AmdaModule
 * @brief   Generic Interactive Module controller definition
 * @author  CDA
 * @version $Id: InteractiveModule.js 2109 2014-02-19 17:47:37Z elena $ 
 */

Ext.define('amdaDesktop.InteractiveModule', {
	extend: 'amdaDesktop.AmdaModule',	 
	
    /**
     * @cfg {amdaModel.InteractiveNode} the explorer node linked to this module
     */
	linkedNode : null,

	nodeDataModel: ' ',

	width : 700,
	height: 510,
 	uiType : ' ',
//	helpTitle : 'help on the module',
	/**
	 * Module link in Start Menu
	 */	
	init : function() {		 
		this.launcher = {
		    text : this.title,
		    iconCls : this.icon,
		    handler : this.createWindow,
		    scope : this
		};
	},
	
	/**
	 * Window Creation method of the Module
	 */
	createWindow : function () {

		if (this.linkedNode === null){		 
			this.createLinkedNode();		
		} 		
		this.createObject();	 
		var desktop = this.app.getDesktop();		
		var win = desktop.getWindow(this.id);	
		var me = this;

		if (!win) {
			win = desktop.createWindow({
				id : this.id,
				title : this.title,
				width : this.width,
				minWidth : this.width,
				height : this.height,
				minHeight: this.height,
				iconCls : this.icon,
				border : false,
				//constrainHeader : true,
				layout : 'fit',
				stateful : true,
				stateId : this.id,
				stateEvents: ['move','show','resize'],
				tools: [
			         {
			        	type:'help',
			        	qtip: this.helpTitle,
			        	scope:this,
			        	handler: function(event, toolEl, panel){					  
			        	 myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.info.id, true, function(module) {
			        		module.createWindow(me.helpFile, me.helpTitle); 
			        	 });					  
			        	}
			         }
				],
				items : [ 
				 {
					xtype :  this.uiType,
					object : this.linkedNode.get('object'),
					id : this.contentId
				  }	
				]
			});
			
			this.closed = false;
			win.on({
				scope: this,
				// on window activation event
				activate: function(){
					// order to pin this Module with WsExplorer
					this.pin();
				},
				// on window closing event
				beforeclose: function (win, eOpts) {
					
					this.saveState();
					
					var isDirty = this.getUiContent().fclose();
					
					if (!this.closed && isDirty) {
					Ext.Msg.confirm('Close', 'Current window has been modified.\nDo you want to close the window ?' , function (btn, text){  
						if (btn == 'yes'){ 
						// mark this.closed as true before the call to close() as that will fire the beforeclose event again
						this.closed = true; 
						win.close();
						} 
                                        },this); 
					} else if (!isDirty) {
						this.closed = true;
					}
									
					if (this.closed) {
						//remove object from linkedNode in order to minimize used memory
						this.linkedNode.set('object','');
						// unlink Node
						this.setLinkedNode(null);
							// order to unpin this Module from WsExplorer
						this.unpin();
					}
	 
				// Don't automatically close if the form is dirty, let the call to this.close() within the confirm box close the window.
				return this.closed;
				},	   
				minimize: function (win, eOpts) {
					// Save form
					if (this.getUiContent().formPanel)
						this.getUiContent().formPanel.getForm().updateRecord(this.linkedNode.get('object'));
					else 
						this.getUiContent().items.getAt(0).getForm().updateRecord(this.linkedNode.get('object'));
					// Save grids
					this.getUiContent().updateObject();
				},
				show: function() {
					// configuration of empty catalog
					if (this.isOperationOnShow)
						 this.operationOnShow();
				}	 
			});
		} else {
			// second arg 'true' is used in CatalogUI to mark if Grid Reconfiguration is needed
			this.getUiContent().setObject(this.linkedNode.get('object'), true);
		}
		win.show();
	},
	/**
	 * Mechanism to attach a Module to the Workspace Explorer to enable interactions
	 * @param moduleName the module to attach
	 */
	pin : function() {
		myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.explorer.id).pinMechanism(this.id);
	},
	
	/**
	 * Mechanism to detach a Module to the Workspace Explorer to enable interactions
	 * @param moduleName the module to detach
	 */
	unpin : function() {
		myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.explorer.id).setPinedModule(null);
	},
	
	/**
	 * Getter of linkedNode
	 * @return {amdaModel.InteractiveNode} linkedNode
	 */
	getLinkedNode : function (){
		return this.linkedNode;
	},
	
	/**
	 * link the current node in the current module
	 * @param {amdaModel.InteractiveNode} myLinkedNode
	 */
	setLinkedNode : function (myLinkedNode){
		if (this.linkedNode) {
			this.linkedNode.set('object','');
		}
		this.linkedNode = myLinkedNode;		
	},

	/**
	 * 
	 * create Node of Appropriate Type if it doesn't exist
	 */ 	
	createLinkedNode : function (){	
		var newNode = Ext.create(this.nodeDataModel, {
			leaf : true,
			contextNode : this.contextNode
		});
		this.setLinkedNode(newNode);		
	},

	/**
	 * 
	 *  
	*/ 
	createObject : function (obj){
	   
		var object;
		if (this.linkedNode.get('object')){			 
		    object = this.linkedNode.get('object'); 		   
		} else  {
                
                    if (!obj) {
                         obj = this.getState();                        
                    }
                    
		    object = Ext.create(this.linkedNode.get('objectDataModel'), obj);
       
		    this.linkedNode.set('object',object);
		}
		 
	},

      /**
	* Setter of contextNode
	* @param {amdaModel.InteractiveNode} contextNode
	* the node from which the Module was called
	*/
	setContextNode : function (myContextNode){
		this.contextNode = myContextNode;
	},

    
	/**
	 * Color mechanism of Header of this intarctive module
	 */
	colorHeaderModule : function() {
		myDesktopApp.desktop.getWindow(this.id).getEl().addCls('window-active');
	},
	
	/**
	* UnColor mechanism of Header of this intarctive module
	*/
	uncolorHeaderModule : function() {
		myDesktopApp.desktop.getWindow(this.id).getEl().removeCls('window-active');
	},
	
	/**
	 * Receiption method of a parameter sent from explorer (by drop)
	 * @param {String} objectName The name of sent object
	 * @param {String} isLeaf boolean true if it's a leaf parameter
	 */
	 addParam : function(objectName, isLeaf, isScatter, needsArgs) {
	     var uiContent = this.getUiContent();
	     uiContent.addParam(objectName, isLeaf, isScatter, needsArgs);
	 },
                  
          saveState : Ext.emptyFn,
           
          getState :  function() {
              
              return null;
          }
                       
});