ActionNotation.java example

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// $Id: ActionNotation.java 41 2010-04-03 20:04:12Z marcusvnac $
// Copyright (c) 1996-2007 The Regents of the University of California. All
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// software and its documentation without fee, and without a written
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package org.argouml.ui.cmd;

import java.awt.event.ActionEvent;

import javax.swing.Action;
import javax.swing.ButtonGroup;
import javax.swing.JMenu;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;

import org.argouml.i18n.Translator;
import org.argouml.kernel.Project;
import org.argouml.kernel.ProjectManager;
import org.argouml.notation.Notation;
import org.argouml.notation.NotationName;
import org.tigris.gef.undo.UndoableAction;


/**
 * Allows selection of the notation used in the current project.
 *
 * @author Thierry Lach
 * @since  ARGO0.9.4
 */
public class ActionNotation extends UndoableAction
    implements MenuListener {

    /**
     * The popup menu with all notations. It gets filled
     * every time the menu is opened 
     * (see {@link #menuSelected(MenuEvent me)}),
     * since it depends on the current project,
     * and notation languages may be added or removed
     * by plugins.
     */
    private JMenu menu;

    /**
     * Constructor - adds the Notation menu.
     */
    public ActionNotation() {
	    super(Translator.localize("menu.notation"), 
	            null);
        // Set the tooltip string:
        putValue(Action.SHORT_DESCRIPTION, 
                Translator.localize("menu.notation"));
        menu = new JMenu(Translator.localize("menu.notation"));
        menu.add(this);
        menu.addMenuListener(this);
    }

    /*
     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    public void actionPerformed(ActionEvent ae) {
    	super.actionPerformed(ae);
        String key = ae.getActionCommand();
        for (NotationName nn : Notation.getAvailableNotations()) {
            if (key.equals(nn.getTitle())) {
                Project p = ProjectManager.getManager().getCurrentProject();
                p.getProjectSettings().setNotationLanguage(nn);
                break;
            }
        }
    }

    /**
     * @return The menu for the notation.
     */
    public JMenu getMenu() { return menu; }

    /*
     * @see javax.swing.event.MenuListener#menuSelected(javax.swing.event.MenuEvent)
     */
    public void menuSelected(MenuEvent me) {
        Project p = ProjectManager.getManager().getCurrentProject();
        NotationName current = p.getProjectSettings().getNotationName();
        menu.removeAll();
        ButtonGroup b = new ButtonGroup();
        for (NotationName nn : Notation.getAvailableNotations()) {
            JRadioButtonMenuItem mi =
                new JRadioButtonMenuItem(nn.getTitle());
            if (nn.getIcon() != null) {
                mi.setIcon(nn.getIcon());
            }
            mi.addActionListener(this);
            b.add(mi);
            mi.setSelected(current.sameNotationAs(nn));
            menu.add(mi);
        }
    }

    /*
     * @see javax.swing.event.MenuListener#menuDeselected(javax.swing.event.MenuEvent)
     */
    public void menuDeselected(MenuEvent me) { }

    /*
     * @see javax.swing.event.MenuListener#menuCanceled(javax.swing.event.MenuEvent)
     */
    public void menuCanceled(MenuEvent me) { }

    /**
     * The UID.
     */
    private static final long serialVersionUID = 1364283215100616618L;
}