private void layoutPanel() { if (myUsagePreviewPanel != null) { Disposer.dispose(myUsagePreviewPanel); } removeAll(); JScrollPane pane = ScrollPaneFactory.createScrollPane(myTree); if (isPreview()) { pane.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT | SideBorder.RIGHT)); boolean vertical = myToolWindow.getAnchor() == ToolWindowAnchor.LEFT || myToolWindow.getAnchor() == ToolWindowAnchor.RIGHT; Splitter splitter = new Splitter( vertical, UsageViewSettings.getInstance().PREVIEW_USAGES_SPLITTER_PROPORTIONS); splitter.setFirstComponent(pane); myUsagePreviewPanel = new UsagePreviewPanel(myProject, new UsageViewPresentation()); myUsagePreviewPanel.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT)); Disposer.register(this, myUsagePreviewPanel); splitter.setSecondComponent(myUsagePreviewPanel); add(splitter, BorderLayout.CENTER); } else { pane.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT)); add(pane, BorderLayout.CENTER); } add(createToolbar().getComponent(), BorderLayout.WEST); myTree.getParent().setBackground(UIManager.getColor("Tree.background")); revalidate(); }
@Override public void dispose() { if (myUsagePreviewPanel != null) { UsageViewSettings.getInstance().PREVIEW_USAGES_SPLITTER_PROPORTIONS = ((Splitter) myUsagePreviewPanel.getParent()).getProportion(); myUsagePreviewPanel = null; } isDisposed = true; ToolTipManager.sharedInstance().unregisterComponent(myTree); }