ResourceBrowser: move implementation of default actions to ResourceAction

Again there's no need for duplicated functionality. Adding a
ResourceAction::defaultTrigger() method allows to separate all
functionality from ResourceBrowser and possibly use it in other places
as well.

include/ResourceAction.h

@@ -59,6 +59,8 @@ public:
 	bool loadByPlugin( InstrumentTrack * _target );
 	bool loadPreset( InstrumentTrack * _target );
 	bool importProject( trackContainer * _target );
+	// most actions can be triggered without any further information
+	bool defaultTrigger();
 
 
 private:

src/core/ResourceAction.cpp

@@ -98,6 +98,21 @@ bool ResourceAction::importProject( trackContainer * _target )
 
 
 
+bool ResourceAction::defaultTrigger()
+{
+	switch( m_action )
+	{
+		case LoadProject:
+			return loadProject();
+		case ImportFile:
+			return importProject( engine::getSong() );
+		default:
+			break;
+	}
+	return false;
+}
+
+
 
 #include "moc_ResourceAction.cxx"
 

src/gui/ResourceBrowser.cpp

@@ -364,25 +364,11 @@ void ResourceBrowser::manageDirectories()
 void ResourceBrowser::triggerAction( ResourceAction::Action _action,
 										ResourceItem * _item )
 {
+	ResourceAction action( _item, _action );
 	switch( _action )
 	{
-		case ResourceAction::LoadProject:
-			if( engine::mainWindow()->mayChangeProject() )
-			{
-				ResourceFileMapper mapper( _item );
-				if( _item->isLocalResource() )
-				{
-					engine::getSong()->loadProject( mapper.fileName() );
-				}
-				else
-				{
-					engine::getSong()->
-						createNewProjectFromTemplate( mapper.fileName() );
-				}
-			}
-			break;
-		case ResourceAction::ImportFile:
-			ResourceAction( _item ).importProject( engine::getSong() );
+		default:
+			action.defaultTrigger();
 			break;
 	}
 }