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Java > Open Source Codes > com > mullassery > act > gui > components > TFileField


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  * Copyright (c) 2000-2002 The Apache Software Foundation. All rights
5  * reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if
20  * any, must include the following acknowlegement:
21  * "This product includes software developed by the
22  * Apache Software Foundation (http://www.apache.org/)."
23  * Alternately, this acknowlegement may appear in the software itself,
24  * if and wherever such third-party acknowlegements normally appear.
25  *
26  * 4. The names "The Jakarta Project", "Ant", and "Apache Software
27  * Foundation" must not be used to endorse or promote products derived
28  * from this software without prior written permission. For written
29  * permission, please contact apache@apache.org.
30  *
31  * 5. Products derived from this software may not be called "Apache"
32  * nor may "Apache" appear in their names without prior written
33  * permission of the Apache Group.
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35  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46  * SUCH DAMAGE.
47  * ====================================================================
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49  * This software consists of voluntary contributions made by many
50  * individuals on behalf of the Apache Software Foundation. For more
51  * information on the Apache Software Foundation, please see
52  * <http://www.apache.org/>.
53  */

54
55 package com.mullassery.act.gui.components;
56
57 import java.awt.BorderLayout JavaDoc;
58 import java.awt.Dimension JavaDoc;
59 import java.awt.event.ActionEvent JavaDoc;
60 import java.awt.event.ActionListener JavaDoc;
61 import java.io.File JavaDoc;
62 import javax.swing.JButton JavaDoc;
63 import javax.swing.JFileChooser JavaDoc;
64 import javax.swing.JPanel JavaDoc;
65
66 import com.mullassery.act.gui.TextData;
67
68 /**
69  *
70  * @author Abey Mullassery
71  *
72  */

73 public class TFileField extends JPanel JavaDoc implements TextData {
74     private JFileChooser JavaDoc jfc;
75     private File JavaDoc lastFile = new File JavaDoc(".");
76     private final JButton JavaDoc jb;
77     private final TTextField jtf;
78
79     public TFileField() {
80         this(null);
81     }
82
83     public TFileField(String JavaDoc file) {
84         if (file != null && file.length() > 0) {
85             File JavaDoc f = new java.io.File JavaDoc(file);
86             file = f.getAbsolutePath();
87             setLastFile(f);
88         }
89         jtf = new TTextField(file, 16);
90         jb = new JButton JavaDoc("...");
91         jb.addActionListener(new ActionListener JavaDoc() {
92             public void actionPerformed(ActionEvent JavaDoc ae) {
93                 if (jfc == null) {
94                     jfc = new JFileChooser JavaDoc();
95                     jfc.setApproveButtonText("Select");
96                     jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
97                 }
98                 jfc.setCurrentDirectory(lastFile);
99                 if(getText() != null && getText().length() > 0) {
100                     jfc.setSelectedFile(new File JavaDoc(getText()));
101                 }
102                 int ret = jfc.showOpenDialog(jtf.getParent());
103                 if (ret == JFileChooser.APPROVE_OPTION) {
104                     jtf.setText("" + jfc.getSelectedFile());
105                     setLastFile(jfc.getSelectedFile());
106                 }
107             }
108
109         });
110         setPreferredSize(new Dimension JavaDoc(200, 20));
111         this.setLayout(new BorderLayout JavaDoc());
112         this.add(jtf, BorderLayout.CENTER);
113         this.add(jb, BorderLayout.EAST);
114     }
115     
116     private void setLastFile(File JavaDoc f) {
117         lastFile = f;
118         //saving to open next time
119
if (!lastFile.isDirectory())
120             lastFile = lastFile.getParentFile();
121     }
122     
123     public String JavaDoc getText() {
124         return jtf.getText();
125     }
126
127     public void setText(String JavaDoc value) {
128         jtf.setText(value);
129     }
130 }
131
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