www.pudn.com > DomView.zip > OpenFileDialog.java

/******************************************************************** 
Domview 1.0 displays contents of an XML DOM object 
Copyright (C) 1999  The Bean Factory, LLC. 
 
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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. 
 
Author: Sun Koh, The Bean Factory, LLC. 
*******************************************************************/ 
import java.awt.*;                  //AWT classes 
import java.awt.event.*;            //AWT event classes 
import java.util.*;                 //Vectors, etc 
import java.io.*;                   //Serializable, etc 
import java.net.*;                  //Network classes  
import javax.swing.*;               //Swing classes 
import javax.swing.event.*;         //Swing events 
import javax.swing.table.*;         //JTable models 
import javax.swing.tree.*;          //JTree models 
import javax.swing.border.*;        //JComponent Borders 
 
/******************************************************************** 
 OpenFileDialog gets an XML file location 
 
 
 @version      : 1.0 
 @author       : Sun Koh 
 
********************************************************************/ 
public class OpenFileDialog 
extends JDialog 
implements java.io.Serializable { 
// 
// Data Members 
// 
    protected DomView mainFrame; 
 
    protected JLabel lFile; 
    protected JTextField tfFile; 
    protected JButton btnOpen; 
    protected JButton btnCancel; 
 
 
// 
// Methods 
// 
/** 
 Default Constructor  
 
 @param d   DomView frame 
 */ 
    public OpenFileDialog(DomView d){  
         
        mainFrame = d; 
 
        this.setTitle("File Open"); 
        this.setModal(true); 
 
        Container c = this.getContentPane(); 
 
        lFile = new JLabel("XML file location: "); 
        tfFile = new JTextField(); 
        tfFile.setColumns(10); 
        JPanel p1 = new JPanel(); 
        p1.setLayout(new BoxLayout(p1, BoxLayout.X_AXIS )); 
        p1.add(lFile); 
        p1.add(tfFile); 
 
        btnOpen = new JButton("Open"); 
        btnCancel = new JButton("Cancel"); 
        JPanel p2 = new JPanel(); 
        p2.setLayout(new FlowLayout(FlowLayout.CENTER)); 
        p2.add(btnOpen); 
        p2.add(btnCancel); 
 
        //register listener 
        btnOpen.addActionListener(new OpenAction(this)); 
        btnCancel.addActionListener(new CancelAction(this)); 
 
        c.setLayout(new GridLayout(2, 1)); 
        c.add(p1 ); 
        c.add(p2 ); 
 
        pack(); 
        setLocationRelativeTo(mainFrame); 
        show(); 
 
    }   //end method 
 
    /** 
     Return preferrred size of this panel 
      
     @return    a dimension of the panel 
     */ 
    public Dimension getPreferredSize(){ 
        return new Dimension(500, 100); 
    } 
    /** 
     Return minimun size of this panel 
      
     @return    a dimension of the panel 
     */ 
    public Dimension getMinimunSize(){ 
        return getPreferredSize(); 
    }  
 
    /** 
     Open Action inner class 
     */ 
    protected class OpenAction implements ActionListener { 
 
        OpenFileDialog dialog; 
        /** 
         Constructor 
         */ 
        public OpenAction(OpenFileDialog f){ 
            dialog = f; 
        } 
        /** 
         * Invoked when an action occurs. 
         */ 
        public void actionPerformed(ActionEvent e) { 
             
            dialog.dispose(); 
 
            mainFrame.panel.openFile(tfFile.getText()); 
        } 
    } 
 
    /** 
     Cancel Action inner class 
     */ 
    protected class CancelAction implements ActionListener { 
 
        OpenFileDialog dialog; 
        /** 
         Constructor 
         */ 
        public CancelAction(OpenFileDialog f){ 
            dialog = f; 
        } 
        /** 
         * Invoked when an action occurs. 
         */ 
        public void actionPerformed(ActionEvent e) { 
            dialog.dispose(); 
        } 
    } 
 
}//end of OpenFileDialog class