Method refreshGUI

src/org/opensourcephysics/tools/Launcher.java:1275–1384

Refreshes the GUI.

()

	 * Refreshes the GUI.
	 */
	protected void refreshGUI() {
		refreshMemoryButton();
		// set tab properties
		LaunchPanel tab = getSelectedTab();
		boolean rootDisabled = tab != null && !tab.getRootNode().enabled;
		if (tab != null) {
			tab.tree.setEnabled(tab.getRootNode().enabled);
			tabbedPane.setEnabled(tab.getRootNode().enabled);
			tab.splitPane.setDividerLocation(divider);
		}
		// update undo/redo buttons
		backButton.setEnabled(undoManager.canUndo());
		forwardButton.setEnabled(undoManager.canRedo());
		String name;
		if (frame != null) {
			// set frame title
			name = (title == null) ? tabSetName : title;
			if (name == null) {
				name = LaunchRes.getString("Frame.Title"); //$NON-NLS-1$
			} else {
				name = LaunchRes.getString("Frame.Title") + ": " + name; //$NON-NLS-1$//$NON-NLS-2$
			}
			if (rootDisabled) {
				name += " " + LaunchRes.getString("Launcher.Title.NeedsPassword"); //$NON-NLS-1$//$NON-NLS-2$
			}
			frame.setTitle(name);
			// rebuild file menu
			fileMenu.removeAll();
			if (undoManager.canReload()) {
				fileMenu.add(backItem);
			}
			if (!OSPRuntime.isApplet) {
				if (fileMenu.getItemCount() > 0) {
					fileMenu.addSeparator();
				}
				fileMenu.add(openItem);
			}
			if (openFromJarMenu != null) {
				fileMenu.add(openFromJarMenu);
			}
			if (rootDisabled) {
				fileMenu.add(passwordItem);
			}
			if (OSPRuntime.isApplet) { // added by W. Christian
				fileMenu.add(hideItem);
				return;
			}
			if (tab != null) {
				if (fileMenu.getItemCount() > 0) {
					fileMenu.addSeparator();
				}
				boolean showCloseTab = true;
				if (getClass() == Launcher.class) {
					if (tab.getRootNode().isButtonView()) {
						showCloseTab = false;
						name = LaunchRes.getString("Frame.Title") + ": " + //$NON-NLS-1$//$NON-NLS-2$
								tab.getRootNode().name;
					} else if (tabbedPane.getTabCount() == 1) {