EAction.java

/*******************************************************************************
 * Copyright (c) 2003-2005, 2013 Till Zoppke.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Till Zoppke - initial API and implementation
 ******************************************************************************/
/*
 * EniacAction.java
 * 
 * Created on 06.02.2004
 */
package eniac.menu.action;

import javax.swing.AbstractAction;
import javax.swing.AbstractButton;
import javax.swing.Action;
import javax.swing.ButtonModel;
import javax.swing.DefaultButtonModel;
import javax.swing.JButton;
import javax.swing.JMenuItem;

import eniac.lang.Dictionary;
import eniac.util.Status;
import eniac.util.StatusListener;

/**
 * @author zoppke
 */
public abstract class EAction extends AbstractAction {

	/*
	 * ======================== keys to store objects =====================
	 */

	public static final String

	/**
	 * unique key identifying this action
	 */
	KEY = "key",

	/**
	 * the button produced from this action.
	 */
	BUTTON = "button",

	/**
	 * The menu item
	 */
	ITEM = "item",

	/**
	 * The model for the button and the menu item
	 */
	MODEL = "model",

	/**
	 * The SID for the name
	 */
	SID_NAME = "SID_Name",

	/**
	 * The SID for the short description
	 */
	SID_SHORT_DESCRIPTION = "SID_ShortDescription",

	/**
	 * in case the action modifies a property registered at the StatusMap, this
	 * is the properties name
	 */
	STATUS_PROPERTY = "status_property";

	// =============================== lifecycle //=============================

	public void init() {

		// create objects
		ButtonModel model = new DefaultButtonModel();
		JButton button = new JButton(this);
		button.setModel(model);
		button.setText(null);

		// store objects
		putValue(BUTTON, button);
		putValue(MODEL, model);
		putValue(ITEM, new JMenuItem(this));

		// add listener and init text
		Status.LANGUAGE.addListener(new StatusListener() {

			@Override
			public void statusChanged(Status status, Object newValue) {
				// language changed. update action values and hide text
				updateText();
			}
		});
		updateText();
	}

	// =============================== methods //===============================

	protected void updateText() {

		// get values from dictionary and put them
		String sid = (String) getValue(SID_NAME);
		try {
			sid = Enum.valueOf(Dictionary.class, sid).getText();
		} catch (IllegalArgumentException exc) {
			System.out.println("missing SID: " + sid);
		}
		putValue(Action.NAME, sid);

		sid = (String) getValue(SID_SHORT_DESCRIPTION);
		try {
			sid = Enum.valueOf(Dictionary.class, sid).getText();
		} catch (IllegalArgumentException exc) {
			System.out.println("missing SID: " + sid);
		}
		putValue(Action.SHORT_DESCRIPTION, sid);

		// hide text
		((AbstractButton) getValue(BUTTON)).setText(null);
	}
}