this.addNewButtonPanel = addNewButtonPanel;
this.repositoryTreeModel = new RepositoryTreeModel();
repositoryBrowser = new JTree(repositoryTreeModel);
repositoryBrowser.setCellRenderer(new RepositoryTreeCellRenderer());
repositoryBrowser.addMouseListener(new DoubleClickHandler());
repositoryBrowser.setRootVisible(true);
repositoryBrowser.setShowsRootHandles(true);
repositoryBrowser.setToggleClickCount(1);