dialogfactory.java

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/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.

  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.

  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.gui.jmodel;

import jmt.gui.wizard.WizardPanel;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 * <p>Title: Parameter selection Dialog Factory</p>
 * <p>Description: Creates a modal dialog box into main window that displays given
 * panel. This class is used to enter imput parameters of the model.</p>
 * 
 * @author Bertoli Marco
 *         Date: 2-giu-2005
 *         Time: 19.52.26
 */
public class DialogFactory {
    // Dimensions
    private static final int width = 720;
    private static final int height = 520;

    // Private variables
    private static JDialog dialogFrame;
    private static JFrame mainWindow;

    private static void createDialog() {
        // Creates modal dialog
        dialogFrame = new JDialog(mainWindow, true);
        dialogFrame.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
        Dimension scrDim = Toolkit.getDefaultToolkit().getScreenSize();
        dialogFrame.setBounds((scrDim.width-width)/2,(scrDim.height-height)/2,width,height);
        //dialogFrame.setResizable(false);
        dialogFrame.getContentPane().setLayout(new BorderLayout());

        //Adds button bar
        JPanel buttonbar = new JPanel(new FlowLayout());
        dialogFrame.getContentPane().add(buttonbar, BorderLayout.SOUTH);

        // Adds Close button
        JButton closebutton = new JButton();
        closebutton.setText("Done");
        closebutton.setToolTipText("Closes this window");
        closebutton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                // If this contains wizard panels, calls lostFocus() method
                for (int i=0; i<dialogFrame.getContentPane().getComponentCount(); i++) {
                    Component cmp = dialogFrame.getContentPane().getComponent(i);
                    if (cmp instanceof WizardPanel) {
                        ((WizardPanel)cmp).lostFocus();
                    }
                }
                dialogFrame.dispose();
            }
        });
        buttonbar.add(closebutton);
    }


    /**
     * Returns modal dialog box showing given panel and with given title
     * @param  panel to be shown on the center area of this dialog
     * @param title title of this dialog
     */
    public static void getDialog(final JComponent panel, String title) {
        createDialog();
        // Adds input panel
        dialogFrame.getContentPane().add(panel, BorderLayout.CENTER);
        // Sets title
        if (title != null)
            dialogFrame.setTitle(title);
        // If this is a wizard panel call gotFocus() method
        if (panel instanceof WizardPanel) {
            ((WizardPanel)panel).gotFocus();
        }

        // Shows dialog
        dialogFrame.show();
    }

    /**
     * Sets owner frame for created dialogs
     * @param f current main window
     */
    public static void setOwner(JFrame f) {
        mainWindow = f;
    }
}