WindowMenuD.java

package org.geogebra.desktop.gui.menubar;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;

import javax.swing.AbstractAction;
import javax.swing.ButtonGroup;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.UIManager;

import org.geogebra.desktop.gui.app.GeoGebraFrame;
import org.geogebra.desktop.main.AppD;
import org.geogebra.desktop.util.GuiResourcesD;

/**
 * The "Windows" menu.
 */
class WindowMenuD extends BaseMenu {
	private static final long serialVersionUID = -5087344097832121548L;

	private AbstractAction newWindowAction;

	public WindowMenuD(AppD app) {
		super(app, "Window");

		// items are added to the menu when it's opened, see BaseMenu:
		// addMenuListener(this);
	}

	/**
	 * Initialize and update the items.
	 */
	@Override
	public void initItems() {
		if (!initialized) {
			return;
		}

		removeAll();
		JMenuItem mit = add(newWindowAction);
		setMenuShortCutAccelerator(mit, 'N');

		ArrayList<GeoGebraFrame> ggbInstances = GeoGebraFrame.getInstances();
		int size = ggbInstances.size();
		if (size == 1) {
			return;
		}

		addSeparator();
		StringBuilder sb = new StringBuilder();
		ButtonGroup bg = new ButtonGroup();
		JRadioButtonMenuItem mi;

		int current = -1;

		for (int i = 0; i < size; i++) {
			GeoGebraFrame ggb = ggbInstances.get(i);
			AppD application = ggb.getApplication();
			if (app == application) {
				current = i;
			}
		}

		for (int i = 0; i < size; i++) {
			GeoGebraFrame ggb = ggbInstances.get(i);
			AppD application = ggb.getApplication();

			sb.setLength(0);
			sb.append(i + 1);
			if (application != null) {
				if (application.getCurrentFile() != null) {
					sb.append(" ");
					sb.append(application.getCurrentFile().getName());
				}
			}

			mi = new JRadioButtonMenuItem(sb.toString());
			if (application == this.app) {
				mi.setSelected(true);
			}
			ActionListener al = new RequestFocusListener(ggb);
			mi.addActionListener(al);
			if (i == ((current + 1) % size)) {
				setMenuShortCutShiftAccelerator(mi, 'N');
			} else if (i == ((current - 1 + size) % size)) {
				setMenuShortCutShiftAltAccelerator(mi, 'N');
			}
			bg.add(mi);
			add(mi);
		}

		// support for right-to-left languages
		app.setComponentOrientation(this);

	}

	/**
	 * Initialize the actions.
	 */
	@Override
	protected void initActions() {
		newWindowAction = new AbstractAction(loc.getMenu("NewWindow"),
				app.getMenuIcon(GuiResourcesD.DOCUMENT_NEW)) {
			private static final long serialVersionUID = 1L;

			@Override
			public void actionPerformed(ActionEvent e) {
				Thread runner = new Thread() {
					@Override
					public void run() {
						app.setWaitCursor();
						app.createNewWindow();
						app.setDefaultCursor();
					}
				};
				runner.start();
			}
		};
	}

	@Override
	public void update() {
		UIManager.put("MenuItem.acceleratorFont", app.getPlainFont());
		initItems();
		if (newWindowAction != null) {
			app.getMenuIcon(GuiResourcesD.DOCUMENT_NEW);
		}
		GeoGebraMenuBar.setMenuFontRecursive(this, app.getPlainFont());
	}

}