/*
 * Copyright (c) 2014 tabletoptool.com team.
 * 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:
 *     rptools.com team - initial implementation
 *     tabletoptool.com team - further development
 */
package com.t3.client.swing;

import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.AbstractAction;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.KeyStroke;

import com.t3.swing.SwingUtil;

public class GenericDialog extends JDialog {
	private static final long serialVersionUID = 6739665491287916519L;
	private final JPanel panel;
	private boolean hasPositionedItself;

	public GenericDialog(String title, Frame parent, JPanel panel) {
		this(title, parent, panel, true);
	}

	public GenericDialog(String title, Frame parent, JPanel panel, boolean modal) {
		super(parent, title, modal);
		setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);

		this.panel = panel;
		setLayout(new GridLayout());

		add(this.panel);
		addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent e) {
				closeDialog();
			}
		});
		// ESCAPE cancels the window without committing
		this.panel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "cancel");
		this.panel.getActionMap().put("cancel", new AbstractAction() {
			@Override
			public void actionPerformed(ActionEvent e) {
				closeDialog();
			}
		});
	}

	public void closeDialog() {
		// XXX Doesn't do anything useful and breaks OpenJDK: setVisible(false);
		dispose();
	}

	protected void positionInitialView() {
		SwingUtil.centerOver(this, getOwner());
	}

	public void showDialog() {
		// We want to center over our parent, but only the first time.
		// If this dialog is reused, we want it to show up where it was last.
		if (!hasPositionedItself) {
			pack();
			positionInitialView();
			hasPositionedItself = true;
		}
		setVisible(true);
	}
}