Add support for deactivateCurrentView

Author: Matteo Baggio

lib/viewstack.js

@@ -46,8 +46,9 @@ var ViewStack = module.exports = Backbone.View.extend({
 	// pushView
 	// Aggiunge una view all'applicazione con z-Index più alto
 	pushView: function pushView( newView, options ){
-		if (!options)
-			options = {};
+		options = _.defaults(options || {
+			deactivateCurrentView: true
+		});
 
 		// Controllo se è la stessa view che sto cercando di pushare
 		if ( this._current === newView ) return this;
@@ -76,7 +77,7 @@ var ViewStack = module.exports = Backbone.View.extend({
 				this.$el.append( newView.el );
 
 				// Lancio l'evento onDeactivate se è impostato
-				if ( this._current && this._current.onDeactivate )
+				if ( this._current && this._current.onDeactivate && options.deactivateCurrentView === true)
 					this._current.onDeactivate();
 
 				// setto la view Corrente
@@ -102,7 +103,7 @@ var ViewStack = module.exports = Backbone.View.extend({
 			this.$el.append( newView.el );
 
 			// Lancio l'evento onDeactivate se è impostato
-			if ( this._current && this._current.onDeactivate )
+			if ( this._current && this._current.onDeactivate && options.deactivateCurrentView === true)
 				this._current.onDeactivate();
 
 			// setto la view Corrente
@@ -111,13 +112,14 @@ var ViewStack = module.exports = Backbone.View.extend({
 			newView.render();
 
 			if ( this._current && this._current.onActivate ) 
-				this._current.onActivate();
+				this._current.onActivate(true);
 
 		}
 
 		// Scateno l'evento active per dire alla view che è attiva
-		if ( this._current )
+		if ( this._current ) {
 			this._current.trigger("active");
+		}
 
 		this
 			.refreshUrl(options.url)
@@ -151,6 +153,8 @@ var ViewStack = module.exports = Backbone.View.extend({
 
 		if ( !options.animatedName ){
 			poppedView.$el.one('webkitAnimationEnd mozAnimationEnd msAnimationEnd animationend', function (e) {
+				if ( poppedView.onPop )
+					poppedView.onPop();
 				poppedView.trigger('pop');
 				poppedView.destroy();
 				poppedView.trigger("deactive");
@@ -161,6 +165,8 @@ var ViewStack = module.exports = Backbone.View.extend({
 			poppedView.$el.on('webkitAnimationEnd mozAnimationEnd msAnimationEnd animationend', function (e) {
 				if ( e && e.originalEvent && e.originalEvent.animationName == options.animatedName ){
 					poppedView.$el.off('webkitAnimationEnd mozAnimationEnd msAnimationEnd animationend');
+					if ( poppedView.onPop )
+						poppedView.onPop();
 					poppedView.trigger('pop');
 					poppedView.destroy();
 					poppedView.trigger("deactive");
@@ -239,14 +245,21 @@ var ViewStack = module.exports = Backbone.View.extend({
 			// Assegno la nuova view corrente
 			this._current = this._stack[ this._stack.length-1 ];
 			if ( this._current && this._current.onActivate ) 
-				this._current.onActivate();
+				this._current.onActivate(false);
 		}
 
 		this
 			.refreshUrl()
 			.trigger('popped', poppedView);
 
 		return poppedView;
+	},
+
+	exists: function exists(classType) {
+		var result = _.find(this._stack, function (aView) {
+			return aView instanceof classType;
+		});
+		return !!result;
 	}
 
 });
@@ -265,4 +278,4 @@ ViewStack.middleware = function middleware(options){
 		next();
 	}
 
-};
+}