+ QtCore.QObject.connect(self.categories, QtCore.SIGNAL("itemActivated(QTreeWidgetItem*,int)"), MainWindow.onCategoryItemActivated)
+ QtCore.QObject.connect(self.articles, QtCore.SIGNAL("itemActivated(QTreeWidgetItem*,int)"), MainWindow.onArticleItemActivated)
+ QtCore.QObject.connect(self.actionTemplates, QtCore.SIGNAL("triggered()"), MainWindow.onTemplates)