added capability to collect multiple errormessages and display them at once

include/MainWindow.h

@@ -84,6 +84,11 @@ public:
 	static void saveWidgetState( QWidget * _w, QDomElement & _de );
 	static void restoreWidgetState( QWidget * _w, const QDomElement & _de );
 
+	void collectErrors( const QList<QString>* errors );
+	void collectError( const QString error );
+	void clearErrors();
+	void showErrors( const QString reason );
+
 
 public slots:
 	void resetWindowTitle();
@@ -159,6 +164,7 @@ private:
 	QBasicTimer m_updateTimer;
 	QTimer m_autoSaveTimer;
 
+	QList<QString>* m_errors;
 
 	friend class engine;
 

include/Plugin.h

@@ -178,6 +178,8 @@ public:
 	// create a view for the model 
 	PluginView * createView( QWidget* parent );
 
+	QList<QString> * getErrorReport();
+
 
 protected:
 	// create a view for the model 
@@ -185,6 +187,9 @@ protected:
 
 
 private:
+	QList<QString> * m_errorReport;
+	void logError( QString err_msg );
+
 	const Descriptor* m_descriptor;
 
 	// pointer to instantiation-function in plugin