pwizardpanel7a.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.
*/

/*
 * PWizardPanel7a.java - 17/08/2006
 */

package issrg.policywizard.slides;

import issrg.policywizard.PWizard;
import issrg.policywizard.PermisPolicyWizard_WestPanel;
import issrg.policywizard.xmlTools.GlobusWSDDDialogState;
import issrg.utils.xml.XMLEditor;
import java.awt.BorderLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.ResourceBundle;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.EventListenerList;
import javax.swing.filechooser.FileFilter;

/**
 * This slide will enable users to select the Globus Directory.
 *
 * @author Christian Azzopardi
 */
public class PWizardPanel7a extends JPanel implements ActionListener
{
    private JLabel titleLabel;
    private JLabel slideDesc;
    
    public JButton browseButton; 
        
    public JTextField localTextField;
    XMLEditor xmlED;
    public GlobusWSDDDialogState gb;
    
    ResourceBundle rbl = ResourceBundle.getBundle("issrg/policywizard/PWApplication_i18n");
    String slideTitle = rbl.getString("Slide7a_Title"); //contains The WSDL File is available
    String browseCaption = rbl.getString("Browse"); //contains Browse;
    String errorHeader = rbl.getString("ErrorHeader"); //contains Error!
    String slideDescCaption = rbl.getString("Slide7a_Slide_Description"); //contains Selecting the Globus Toolkit Path will ...
    String dialogTitle = rbl.getString("Slide7a_Dialog_Title"); //contains Importing...
    String notValidFileCaption = rbl.getString("Slide7a_Option_Local_Error"); //contains Invalid Globus Toolkit Directory Supplied!
    
    /** Creates a new instance of PWizardPanel7a */
    public PWizardPanel7a(XMLEditor xmlED) 
    {
        this.xmlED = xmlED;
        titleLabel = new JLabel("<HTML><B>" + slideTitle + "</B></HTML>");
        slideDesc = new JLabel(slideDescCaption);
        
        browseButton = new JButton(browseCaption);
        browseButton.addActionListener(this);
        browseButton.setActionCommand("BROWSE");
        browseButton.setMnemonic(browseCaption.charAt(0));
        
        localTextField = new JTextField(20);
        localTextField.setEnabled(false);
        
        gb = new GlobusWSDDDialogState(dialogTitle, xmlED);
        gb.setBackground(PWizard.bgcolor);
        gb.setEnabled(false);
        
        initPanel();
        
        this.setLayout(new BorderLayout());
        this.add(new PermisPolicyWizard_WestPanel(), BorderLayout.WEST);
        this.add(getContentPanel(), BorderLayout.CENTER);        
    }
    
    /**
     * Initialises the panel, and sets the text of the file path to empty string.
     */
    public void initPanel()
    {
        localTextField.setText("");
    }
    
    /**
     * Creates a panel with the main content this slide contains.
     *
     * @return  a JPanel with the GUI components that will be displayed when 
     *          this slide is shown
     */
    public JPanel getContentPanel()
    {
        JPanel slide7a = new JPanel(new GridBagLayout());
        slide7a.setBackground(PWizard.bgcolor);
        
        GridBagConstraints constraints = new GridBagConstraints();
        constraints.gridx=0; constraints.gridy=0;
        constraints.gridwidth=1; constraints.gridheight=1;
        constraints.weightx=1; constraints.weighty=1;
        constraints.anchor = GridBagConstraints.LAST_LINE_START;
        constraints.fill = GridBagConstraints.HORIZONTAL;
        constraints.insets = new Insets(0,40,50,0);
        slide7a.add(titleLabel, constraints);
                
        JPanel localPanel = new JPanel(new BorderLayout());
        localPanel.setBackground(PWizard.bgcolor);
        localPanel.add(browseButton, BorderLayout.EAST);
        localPanel.add(localTextField, BorderLayout.CENTER);

        constraints.gridx=0; constraints.gridy=2;
        constraints.gridwidth=2; constraints.gridheight=1;
        constraints.weightx=0.1; constraints.weighty=0;
        constraints.anchor = GridBagConstraints.CENTER;
        constraints.fill = GridBagConstraints.HORIZONTAL;
        constraints.insets = new Insets(0,100,0,80);
        slide7a.add(localPanel, constraints);
        
        constraints.gridx=0; constraints.gridy=3;
        constraints.gridwidth=2; constraints.gridheight=1;
        constraints.weightx=0.1; constraints.weighty=0;
        constraints.anchor = GridBagConstraints.CENTER;
        constraints.fill = GridBagConstraints.NONE;
        constraints.insets = new Insets(0,100,60,80);
        slide7a.add(gb, constraints);  
        
        constraints.gridx=0; constraints.gridy=4;
        constraints.gridwidth=2; constraints.gridheight=1;
        constraints.weightx=0.1; constraints.weighty=0;
        constraints.anchor = GridBagConstraints.CENTER;
        constraints.fill = GridBagConstraints.HORIZONTAL;
        constraints.insets = new Insets(0,100,60,80);
        slide7a.add(slideDesc, constraints);
        
        return slide7a;
    }
   
    /**
     * File Filter to display directories only!
     */
    FileFilter ff = new FileFilter() {
        public boolean accept(File f) { 
            return f.isDirectory();
        }
    
        public String getDescription() {
            return "All Folders";
        }
    };
    
    public void actionPerformed(ActionEvent e) {
        if (e.getActionCommand().equals("BROWSE")) {    
            JFileChooser fc = new JFileChooser();                 
            JDialog.setDefaultLookAndFeelDecorated(true);
            fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
            fc.setCurrentDirectory(new File("."));         
            fc.setFileFilter(ff);
            int returnVal = fc.showOpenDialog(this);
            if (returnVal == JFileChooser.APPROVE_OPTION)
            {
                String filename = fc.getSelectedFile().getAbsolutePath();
                gb.setGlobusFilePath(filename);
                if (gb.isGlobusDirectory()) {
                    gb.setEnabled(true);
                    localTextField.setText(filename);
                    FireActionPerformedEvent(new ActionEvent(this, 0, "Globus_Filename"));
//                    gb.bottomLabel.setText("<HTML><B>"+gb.bottomTitle+" "+dialogTitle+"</B></HTML>");
//                    gb.dialogFunction();
                } else {
                    JOptionPane.showMessageDialog(this, notValidFileCaption, errorHeader, JOptionPane.ERROR_MESSAGE);
                    return;
                }
            }
        }
    }
    
    EventListenerList ActionListeners = new EventListenerList();

    public void addActionListener(ActionListener listener)
    {
       ActionListeners.add(ActionListener.class, listener);
    }

    public void removeActionListener(ActionListener listener)
    {
       ActionListeners.remove(ActionListener.class, listener);
    }    
    
    public void FireActionPerformedEvent(ActionEvent ev)
    {
       Object[] listeners = ActionListeners.getListenerList(); 
       // loop through each listener and pass on the event if needed
       for (int i = 0; i < listeners.length ; i++)
       {
          if (listeners[i] == ActionListener.class)
          {
             // pass the event to the listeners event dispatch method
             ((ActionListener)listeners[i+1]).actionPerformed(ev);
          }            
       }
    }           
}