1 package net.sourceforge.unufree;
2
3 import java.awt;
4 import java.awt.event;
5 import javax.swing;
6 import java.io.File;
7 import javax.swing.filechooser;
8
9 public class ImageChooser extends JDialog implements ActionListener {
10
11 protected JRadioButton urlButton;
12 protected JRadioButton fileButton;
13 protected JButton okButton;
14 protected JButton cancelButton;
15 protected JPanel radioPanel;
16 protected JPanel buttonsPanel;
17 protected JTextField imageUrl;
18 protected JTextField imagePath;
19 protected JFileChooser chooser;
20 protected String returnValue;
21 protected JFrame owner;
22
23 public ImageChooser(JFrame owner) {
24
25 super(owner, true);
26 getContentPane().setLayout(new BorderLayout());
27 imageUrl = new JTextField();
28 imagePath = new JTextField();
29 imagePath.setEnabled(false);
30
31 chooser = new JFileChooser();
32
33 chooser.addChoosableFileFilter(new FileFilter() {
34 public boolean accept(File f) {
35 return (f.isDirectory()
36 || f.getName().toLowerCase().endsWith(".jpg")
37 || f.getName().toLowerCase().endsWith(".jpeg"));
38 }
39 public String getDescription() {
40 return "JPEG Images";
41 }
42 });
43
44 chooser.addChoosableFileFilter(new FileFilter() {
45 public boolean accept(File f) {
46 return (f.isDirectory()
47 || f.getName().toLowerCase().endsWith(".gif"));
48 }
49
50 public String getDescription() {
51 return "GIF Images";
52 }
53 });
54
55 chooser.addChoosableFileFilter(new FileFilter() {
56 public boolean accept(File f) {
57 return (f.isDirectory()
58 || f.getName().toLowerCase().endsWith(".png"));
59 }
60
61 public String getDescription() {
62 return "PNG Images";
63 }
64 });
65
66 chooser.addChoosableFileFilter(new FileFilter() {
67 public boolean accept(File f) {
68 return (f.isDirectory()
69 || f.getName().toLowerCase().endsWith(".bmp"));
70 }
71
72 public String getDescription() {
73 return "BMP Images";
74 }
75 });
76
77 FileFilter allImagesFilter = new FileFilter() {
78 public boolean accept(File f) {
79 String fName = f.getName().toLowerCase();
80 return ( f.isDirectory()
81 || fName.endsWith(".bmp")
82 || fName.endsWith(".gif")
83 || fName.endsWith(".jpg")
84 || fName.endsWith(".jpeg")
85 || fName.endsWith(".png"));
86 }
87
88 public String getDescription() {
89 return "All image files";
90 }
91 };
92
93 chooser.addChoosableFileFilter(allImagesFilter);
94 chooser.setFileFilter(allImagesFilter);
95
96 radioPanel = new JPanel();
97 radioPanel.setLayout(new GridLayout(0,1));
98
99 buttonsPanel = new JPanel(new FlowLayout());
100 okButton = new JButton("OK");
101 okButton.addActionListener(this);
102 cancelButton = new JButton("Cancel");
103 cancelButton.addActionListener(this);
104 buttonsPanel.add(okButton);
105 buttonsPanel.add(cancelButton);
106
107 urlButton = new JRadioButton("Load image from URL", true);
108 fileButton = new JRadioButton("Load image from file ...");
109 ButtonGroup group = new ButtonGroup();
110 group.add(urlButton);
111 group.add(fileButton);
112 urlButton.addActionListener(this);
113 fileButton.addActionListener(this);
114 radioPanel.add(urlButton);
115 radioPanel.add(imageUrl);
116 radioPanel.add(fileButton);
117 radioPanel.add(imagePath);
118
119 getContentPane().add(radioPanel, BorderLayout.CENTER);
120 getContentPane().add(buttonsPanel, BorderLayout.SOUTH);
121 setSize(300,150);
122
123 }
124
125 public String getSelectedFile() {
126 return returnValue;
127 }
128
129 public void actionPerformed(ActionEvent e) {
130
131 if (e.getSource() instanceof JRadioButton) {
132
133 if (e.getSource() == urlButton) {
134 imageUrl.setEnabled(true);
135 imagePath.setEnabled(false);
136 } else {
137 imageUrl.setEnabled(false);
138 imagePath.setEnabled(true);
139
140 if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
141 imagePath.setText("file:///"+chooser.getSelectedFile().getPath());
142 }
143
144 }
145
146 } else if (e.getSource() instanceof JButton) {
147
148 if (e.getSource() == okButton) {
149
150 if (urlButton.isSelected()) {
151 returnValue = imageUrl.getText();
152 } else {
153
154 returnValue = imagePath.getText();
155 }
156
157 } else if (e.getSource() == cancelButton) {
158
159 returnValue = null;
160
161 }
162
163 dispose();
164 }
165 } // actionPefrormed()
166
167 }
168
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