public StructureViewComponent( final FileEditor editor, final StructureViewModel structureViewModel, final Project project, final boolean showRootNode) { super(true, true); myProject = project; myFileEditor = editor; myTreeModel = structureViewModel; myTreeModelWrapper = new TreeModelWrapper(myTreeModel, this); SmartTreeStructure treeStructure = new SmartTreeStructure(project, myTreeModelWrapper) { public void rebuildTree() { if (!isDisposed()) { super.rebuildTree(); } } public boolean isToBuildChildrenInBackground(final Object element) { return getRootElement() == element; } protected TreeElementWrapper createTree() { return new StructureViewTreeElementWrapper(myProject, myModel.getRoot(), myModel); } @Override public String toString() { return "structure view tree structure(model=" + myTreeModel + ")"; } }; final DefaultTreeModel model = new DefaultTreeModel(new DefaultMutableTreeNode(treeStructure.getRootElement())); myTree = new Tree(model); myTree.setRootVisible(showRootNode); myTree.setShowsRootHandles(true); myAbstractTreeBuilder = new StructureTreeBuilder( project, myTree, (DefaultTreeModel) myTree.getModel(), treeStructure, myTreeModelWrapper) { @Override protected boolean validateNode(Object child) { return isValid(child); } }; Disposer.register(this, myAbstractTreeBuilder); Disposer.register( myAbstractTreeBuilder, new Disposable() { public void dispose() { storeState(); } }); setContent(ScrollPaneFactory.createScrollPane(myAbstractTreeBuilder.getTree())); myAbstractTreeBuilder.getTree().setCellRenderer(new NodeRenderer()); myAutoScrollToSourceHandler = new MyAutoScrollToSourceHandler(); myAutoScrollFromSourceHandler = new MyAutoScrollFromSourceHandler(myProject, this); JComponent toolbarComponent = ActionManager.getInstance() .createActionToolbar(ActionPlaces.STRUCTURE_VIEW_TOOLBAR, createActionGroup(), true) .getComponent(); setToolbar(toolbarComponent); installTree(); myCopyPasteDelegator = new CopyPasteDelegator(myProject, getTree()) { @NotNull protected PsiElement[] getSelectedElements() { return getSelectedPsiElements(); } }; }