PropertyPanel.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
 ******************************************************************************/
/*
 * Created on 21.12.2003
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package eniac.property;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.util.List;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;

import eniac.lang.Dictionary;
import eniac.menu.action.gui.DialogPanel;

/**
 * @author zoppke
 * 
 *         To change the template for this generated type comment go to Window -
 *         Preferences - Java - Code Generation - Code and Comments
 */
public class PropertyPanel extends DialogPanel {

	private List<Property> _properties;

	private boolean _commitChanges = false;

	public PropertyPanel(List<Property> properties) {
		super(new GridBagLayout());
		_properties = properties;
	}

	public void init() {

		// ========================== actions
		// ===================================

		// create and add okAction
		final Action okAction = new AbstractAction() {
			public void actionPerformed(ActionEvent e) {
				performOkAction();
			}
		};
		okAction.putValue(Action.NAME, Dictionary.OK);
		getActionMap().put(okAction.getValue(Action.NAME), okAction);

		// create and add cancelAction
		final Action cancelAction = new AbstractAction() {
			public void actionPerformed(ActionEvent e) {
				performCancelAction();
			}
		};
		cancelAction.putValue(Action.NAME, Dictionary.CANCEL);
		getActionMap().put(cancelAction.getValue(Action.NAME), cancelAction);

		// add keystrokes
		getInputMap(WHEN_ANCESTOR_OF_FOCUSED_COMPONENT)
				.put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), Dictionary.OK);
		getInputMap(WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
				Dictionary.CANCEL);

		// ============================= init panel
		// =============================

		final JPanel panel = new JPanel(new GridBagLayout());

		// recurse over all properties and create subcomponents for the panel
		int y = 0;
		for (Property p : _properties) {

			// add nameLabel and valueComponent
			panel.add(p.getNameLabel(), new GridBagConstraints(0, y, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER,
					GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
			JComponent valueComponent = p.getValueComponent();
			panel.add(valueComponent, new GridBagConstraints(1, y, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER,
					GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
			y++;
		}

		// ========================== init buttons
		// ==============================

		JButton okButton = new JButton(okAction);
		JButton cancelButton = new JButton(cancelAction);
		cancelButton.getActionMap().setParent(getActionMap());
		cancelButton.getInputMap(WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), Dictionary.CANCEL);

		// ========================= add components
		// =============================

		add(panel, new GridBagConstraints(0, 0, 2, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
				new Insets(0, 0, 0, 0), 0, 0));

		add(okButton, new GridBagConstraints(0, 1, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
				new Insets(0, 0, 0, 0), 0, 0));
		add(cancelButton, new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER,
				GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
	}

	public boolean isCommitChanges() {
		return _commitChanges;
	}

	// ======================== event processing
	// ================================

	void performOkAction() {
		_commitChanges = true;
		// close dialog window
		SwingUtilities.windowForComponent(this).dispose();
	}

	public void performCancelAction() {
		_commitChanges = false;
		// close dialog window
		SwingUtilities.windowForComponent(PropertyPanel.this).dispose();
	}

}