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());
}
