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17 package org.columba.core.gui.config;
18
19 import java.awt.BorderLayout  ;
20 import java.awt.GridBagConstraints ;
21 import java.awt.GridBagLayout ;
22 import java.awt.GridLayout ;
23 import java.awt.Insets ;
24 import java.awt.Toolkit ;
25 import java.awt.event.ActionEvent ;
26 import java.awt.event.ActionListener ;
27 import java.awt.event.KeyEvent ;
28 import java.awt.event.WindowAdapter ;
29 import java.awt.event.WindowEvent ;
30
31 import javax.swing.BorderFactory ;
32 import javax.swing.Box ;
33 import javax.swing.BoxLayout ;
34 import javax.swing.ButtonGroup ;
35 import javax.swing.JButton ;
36 import javax.swing.JComponent ;
37 import javax.swing.JDialog ;
38 import javax.swing.JFrame ;
39 import javax.swing.JLabel ;
40 import javax.swing.JPanel ;
41 import javax.swing.JRadioButton ;
42 import javax.swing.JTextField ;
43 import javax.swing.KeyStroke ;
44 import javax.swing.event.DocumentEvent ;
45 import javax.swing.event.DocumentListener ;
46 import javax.swing.text.AbstractDocument ;
47 import javax.swing.text.AttributeSet ;
48 import javax.swing.text.BadLocationException ;
49 import javax.swing.text.DocumentFilter ;
50
51 import org.columba.core.gui.base.ButtonWithMnemonic;
52 import org.columba.core.gui.base.LabelWithMnemonic;
53 import org.columba.core.gui.base.RadioButtonWithMnemonic;
54 import org.columba.core.resourceloader.GlobalResourceLoader;
55
56
59 public class ProxyConfigurationDialog extends JDialog
60 implements ActionListener , DocumentListener {
61
62 private static final String RESOURCE_PATH = "org.columba.core.i18n.dialog";
63 public static final int CANCEL_OPTION = 0;
64 public static final int APPROVE_OPTION = 1;
65
66 protected int status = CANCEL_OPTION;
67 protected JRadioButton directConnectionRadioButton;
68 protected JRadioButton useProxyRadioButton;
69 protected JLabel proxyHostLabel;
70 protected JTextField proxyHostField;
71 protected JLabel proxyPortLabel;
72 protected JTextField proxyPortField;
73 protected JButton okButton;
74
75
78 public ProxyConfigurationDialog(JFrame parent) {
79 super(parent, GlobalResourceLoader.getString(
80 RESOURCE_PATH, "proxy", "title"), true);
81 }
82
83
86 public ProxyConfigurationDialog(JDialog parent) {
87 super(parent, GlobalResourceLoader.getString(
88 RESOURCE_PATH, "proxy", "title"), true);
89 }
90
91 protected void dialogInit() {
92 super.dialogInit();
93 addWindowListener(new WindowAdapter () {
94 public void windowClosing(WindowEvent e) {
95 status = CANCEL_OPTION;
96 }
97 });
98 JPanel contentPane = (JPanel )getContentPane();
99 contentPane.setBorder(BorderFactory.createEmptyBorder(12, 12, 11, 11));
100 JPanel centerPanel = new JPanel ();
101 centerPanel.setLayout(new BoxLayout (centerPanel, BoxLayout.Y_AXIS));
102 ButtonGroup group = new ButtonGroup ();
103 directConnectionRadioButton =
104 new RadioButtonWithMnemonic(GlobalResourceLoader.getString(
105 RESOURCE_PATH, "proxy", "directConnection"));
106 directConnectionRadioButton.setSelected(true);
107 directConnectionRadioButton.setActionCommand("USE_PROXY");
108 directConnectionRadioButton.addActionListener(this);
109 group.add(directConnectionRadioButton);
110 centerPanel.add(directConnectionRadioButton);
111 centerPanel.add(Box.createVerticalStrut(5));
112 useProxyRadioButton =
113 new RadioButtonWithMnemonic(GlobalResourceLoader.getString(
114 RESOURCE_PATH, "proxy", "useProxy"));
115 useProxyRadioButton.setActionCommand("USE_PROXY");
116 useProxyRadioButton.addActionListener(this);
117 group.add(useProxyRadioButton);
118 centerPanel.add(useProxyRadioButton);
119 JPanel proxyDataPanel = new JPanel (new GridBagLayout ());
120 proxyDataPanel.setAlignmentX(JComponent.LEFT_ALIGNMENT);
121 GridBagConstraints c = new GridBagConstraints ();
122 proxyHostLabel = new LabelWithMnemonic(GlobalResourceLoader.getString(
123 RESOURCE_PATH, "proxy", "host"));
124 c.anchor = GridBagConstraints.WEST;
125 c.insets = new Insets (2, 10, 2, 0);
126 proxyDataPanel.add(proxyHostLabel, c);
127 proxyHostField = new JTextField (10);
128 proxyHostField.getDocument().addDocumentListener(this);
129 proxyHostLabel.setLabelFor(proxyHostField);
130 c.gridwidth = GridBagConstraints.REMAINDER;
131 proxyDataPanel.add(proxyHostField, c);
132 proxyPortLabel = new LabelWithMnemonic(GlobalResourceLoader.getString(
133 RESOURCE_PATH, "proxy", "port"));
134 c.gridwidth = 1;
135 proxyDataPanel.add(proxyPortLabel, c);
136 proxyPortField = new JTextField (5);
137 ((AbstractDocument )proxyPortField.getDocument()).setDocumentFilter(
138 new DocumentFilter () {
139 public void insertString(DocumentFilter.FilterBypass fb,
140 int offset, String string, AttributeSet attr)
141 throws BadLocationException {
142 if (ensureDigits(string)) {
143 super.insertString(fb, offset, string, attr);
144 } else {
145 Toolkit.getDefaultToolkit().beep();
146 }
147 }
148
149 public void replace(DocumentFilter.FilterBypass fb,
150 int offset, int length, String string, AttributeSet attr)
151 throws BadLocationException {
152 if (ensureDigits(string)) {
153 super.replace(fb, offset, length, string, attr);
154 } else {
155 Toolkit.getDefaultToolkit().beep();
156 }
157 }
158
159 private boolean ensureDigits(String string) {
160 for (int i = 0; i < string.length(); i++) {
161 if (!Character.isDigit(string.charAt(i))) {
162 return false;
163 }
164 }
165 return true;
166 }
167 });
168 proxyPortField.getDocument().addDocumentListener(this);
169 proxyPortLabel.setLabelFor(proxyPortField);
170 c.gridwidth = GridBagConstraints.REMAINDER;
171 proxyDataPanel.add(proxyPortField, c);
172 centerPanel.add(proxyDataPanel);
173 centerPanel.add(Box.createVerticalGlue());
174 contentPane.add(centerPanel);
175 JPanel southPanel = new JPanel (new BorderLayout ());
176 JPanel buttonPanel = new JPanel (new GridLayout (1, 2, 5, 0));
177 buttonPanel.setBorder(BorderFactory.createEmptyBorder(17, 0, 0, 0));
178 okButton = new ButtonWithMnemonic(GlobalResourceLoader.getString(
179 "", "global", "ok"));
180 okButton.addActionListener(this);
181 buttonPanel.add(okButton);
182 JButton cancelButton = new ButtonWithMnemonic(GlobalResourceLoader.getString(
183 "", "global", "cancel"));
184 cancelButton.addActionListener(this);
185 buttonPanel.add(cancelButton);
186 southPanel.add(buttonPanel, BorderLayout.EAST);
187 contentPane.add(southPanel, BorderLayout.SOUTH);
188 getRootPane().setDefaultButton(okButton);
189 getRootPane().registerKeyboardAction(this, "CANCEL",
190 KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
191 JComponent.WHEN_IN_FOCUSED_WINDOW);
192 pack();
193 setLocationRelativeTo(null);
194 }
195
196
200 public int showDialog() {
201 if (getProxyHost() != null && getProxyPort() > 0) {
202 useProxyRadioButton.setSelected(true);
203 } else {
204 directConnectionRadioButton.setSelected(true);
205 }
206 updateProxyDataPanel();
207 setVisible(true);
208 return status;
209 }
210
211
214 public String getProxyHost() {
215 String text = proxyHostField.getText().trim();
216 return text.length() == 0 ? null : text;
217 }
218
219
222 public void setProxyHost(String host) {
223 proxyHostField.setText(host);
224 }
225
226
229 public int getProxyPort() {
230 String text = proxyPortField.getText();
231 return text.length() == 0 ? -1 : Integer.parseInt(text);
232 }
233
234
237 public void setProxyPort(int port) {
238 if (port > 0) {
239 proxyPortField.setText(Integer.toString(port));
240 }
241 }
242
243
246 protected void updateProxyDataPanel() {
247 boolean enabled = useProxyRadioButton.isSelected();
248 proxyHostLabel.setEnabled(enabled);
249 proxyHostField.setEnabled(enabled);
250 proxyPortLabel.setEnabled(enabled);
251 proxyPortField.setEnabled(enabled);
252 updateOkButton();
253 }
254
255 protected void updateOkButton() {
256 okButton.setEnabled(directConnectionRadioButton.isSelected() ||
257 (getProxyHost() != null && getProxyPort() > 0));
258 }
259
260 public void actionPerformed(ActionEvent e) {
261 String command = e.getActionCommand();
262 if ("USE_PROXY".equals(command)) {
263 updateProxyDataPanel();
264 } else if ("OK".equals(command)) {
265 status = APPROVE_OPTION;
266 if (directConnectionRadioButton.isSelected()) {
267 proxyHostField.setText(null);
268 proxyPortField.setText(null);
269 }
270 setVisible(false);
271 } else {
272 status = CANCEL_OPTION;
273 setVisible(false);
274 }
275 }
276
277 public void insertUpdate(DocumentEvent e) {
278 updateOkButton();
279 }
280
281 public void removeUpdate(DocumentEvent e) {
282 updateOkButton();
283 }
284
285 public void changedUpdate(DocumentEvent e) {}
286 }
287 |
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