private void initTree(final MyTree tree, boolean isRightTree) { tree.setCellRenderer(new MyTreeCellRenderer()); tree.setRootVisible(false); tree.setShowsRootHandles(true); UIUtil.setLineStyleAngled(tree); TreeUtil.installActions(tree); SmartExpander.installOn(tree); EditSourceOnDoubleClickHandler.install(tree); new TreeSpeedSearch(tree); PopupHandler.installUnknownPopupHandler( tree, createTreePopupActions(isRightTree), ActionManager.getInstance()); }