durationdialog.java

一个完整的XACML工程,学习XACML技术的好例子!

/*
 * Copyright (c) 2006, University of Kent
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 1. Neither the name of the University of Kent nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * 2. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.
 *
 * 3. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * 4. YOU AGREE THAT THE EXCLUSIONS IN PARAGRAPHS 2 AND 3 ABOVE ARE REASONABLE
 * IN THE CIRCUMSTANCES.  IN PARTICULAR, YOU ACKNOWLEDGE (1) THAT THIS
 * SOFTWARE HAS BEEN MADE AVAILABLE TO YOU FREE OF CHARGE, (2) THAT THIS
 * SOFTWARE IS NOT "PRODUCT" QUALITY, BUT HAS BEEN PRODUCED BY A RESEARCH
 * GROUP WHO DESIRE TO MAKE THIS SOFTWARE FREELY AVAILABLE TO PEOPLE WHO WISH
 * TO USE IT, AND (3) THAT BECAUSE THIS SOFTWARE IS NOT OF "PRODUCT" QUALITY
 * IT IS INEVITABLE THAT THERE WILL BE BUGS AND ERRORS, AND POSSIBLY MORE
 * SERIOUS FAULTS, IN THIS SOFTWARE.
 *
 * 5. This license is governed, except to the extent that local laws
 * necessarily apply, by the laws of England and Wales.
 */

/*
 * DurationDialog.java - 08/09/2006
 */

package issrg.editor2.timedate;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ResourceBundle;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JPanel;

/**
 *
 * @author Christian Azzopardi
 */
public class DurationDialog extends JDialog implements ActionListener{
    /**
     * The Buttons that are used for exiting the Dialog.
     */
    private JButton cancelButton, okButton;
    
    public DurationPanel dp;
    
    ResourceBundle rbl = ResourceBundle.getBundle("issrg/editor2/PEComponent_i18n");
    String cancelStr = rbl.getString("TimeDateDialog_Cancel"); //contains Cancel
    String okStr = rbl.getString("TimeDateDialog_Ok"); //contains Ok
    
    /** Creates a new instance of DurationDialog */
    public DurationDialog(JFrame owner, String dialogTitle) {
        super(owner, dialogTitle, true);

        this.getContentPane().setLayout(new BorderLayout());
        this.getContentPane().add(getContentPanel(), BorderLayout.CENTER);
        this.pack();
        this.centerDialog();
        this.setResizable(false);
        this.setVisible(true);
    }
    
    public JPanel getContentPanel()
    {
        GridBagConstraints c = new GridBagConstraints();
        JPanel dialogPanel = new JPanel(new GridBagLayout());
        
        cancelButton = new JButton(cancelStr);
        cancelButton.addActionListener(this);
        cancelButton.setActionCommand("EXIT");
        
        okButton = new JButton(okStr);
        okButton.addActionListener(this);
        okButton.setActionCommand("KEEP");
        
        dp = new DurationPanel();
        c.gridx=0; c.gridy=0;
        c.gridwidth=3; c.gridheight=1;
        c.weightx=1; c.weighty=1;
        c.fill = GridBagConstraints.BOTH;
        c.insets = new java.awt.Insets(5,5,0,5);
        dialogPanel.add(dp, c);

        c.gridx=2; c.gridy=1;
        c.gridwidth=1; c.gridheight=1;        
        c.weightx = 1; c.weighty = 0;
        c.fill = GridBagConstraints.HORIZONTAL;        
        c.anchor = GridBagConstraints.LINE_END;
        c.insets = new java.awt.Insets(5,0,5,5);
        dialogPanel.add(cancelButton, c);
        
        c.gridx=1; c.gridy=1;
        c.gridwidth=1; c.gridheight=1;        
        c.weightx = 1; c.weighty = 0;
        c.fill = GridBagConstraints.HORIZONTAL;        
        c.anchor = GridBagConstraints.LINE_END;
        c.insets = new java.awt.Insets(5,5,5,0);
        dialogPanel.add(okButton, c);
       
        return dialogPanel;
    }
    
    public void actionPerformed(ActionEvent e)
    {
        if (e.getActionCommand() == "EXIT")
        {
            dp.setDuration("");
            this.dispose();
        }
        else if (e.getActionCommand() == "KEEP")
        {
            if (dp.getDuration() == null)
                dp.setDuration("duration");
            this.dispose();
        }
    }   

    protected void centerDialog() {
        Dimension screenSize = this.getToolkit().getScreenSize();
        Dimension size = this.getSize();
        screenSize.height = screenSize.height / 2;
        screenSize.width = screenSize.width / 2;
        size.height = size.height / 2;
        size.width = size.width / 2;
        int y = screenSize.height - size.height;
        int x = screenSize.width - size.width;
        this.setLocation(x, y);
    }    
}