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1 package SnowMailClient.view.html;
2
3 import snow.utils.storage.*;
4 import snow.utils.gui.*;
5 import snow.text.*;
6 import SnowMailClient.html.*;
7 import SnowMailClient.Language.Language;
8
9 import java.awt.*;
10 import java.awt.event.*;
11 import javax.swing.*;
12 import javax.swing.border.*;
13 import javax.swing.event.*;
14 import javax.swing.text.html.*;
15 import javax.swing.text.*;
16 import java.text.*;
17 import java.io.*;
18 import java.net.*;
19
20
21
27 public class HTMLSecureViewer extends JDialog
28 {
29 final static private boolean debug = false;
30
31 final private StyledEditorKit styledEditorKit = new StyledEditorKit();
32 final private HTMLEditorKit hTMLEditorKit = new HTMLEditorKit();
33
34 final JTextPane textPane = new JTextPane();
35 final JToggleButton sourceButton = new JToggleButton(Language.translate("Source"));
36 final JToggleButton textButton = new JToggleButton(Language.translate("Text"));
37 final JToggleButton filteredHtmlButton = new JToggleButton(Language.translate("filtered HTML"));
38 final JToggleButton htmlButton = new JToggleButton(Language.translate("HTML"));
39 final JToggleButton htmlFromText = new JToggleButton(Language.translate("HTML from text"));
40 final JToggleButton closeButton = new JToggleButton(Language.translate("Close"));
41
42 final JTextField linkLabel = new JTextField("");
43 final JTextField linkField = new JTextField();
44
45 final static int fontSize = UIManager.getFont("Label.font").getSize();
46
47 String  htmlSourceContent = "";
48
49 public HTMLSecureViewer( JFrame owner,
50 String title )
51 {
52 super(owner,title,true);
53
54
55 textPane.setEditable(false); if(debug) textPane.setEditable(true);
57
58 JScrollPane jsp = new JScrollPane(textPane);
59 getContentPane().add(jsp, BorderLayout.CENTER);
60 textPane.setOpaque(false);
61 jsp.setOpaque(false);
62 jsp.getViewport().setOpaque(false);
63
64 JPanel northPanel = new JPanel();
65 northPanel.setLayout(new BoxLayout(northPanel, BoxLayout.X_AXIS));
66 northPanel.setBorder(new EmptyBorder(2,4,2,4));
67 getContentPane().add(northPanel, BorderLayout.NORTH);
68 northPanel.add(closeButton);
69 northPanel.add(Box.createHorizontalGlue());
70
71 northPanel.add(sourceButton);
72 northPanel.add(textButton);
73 northPanel.add(filteredHtmlButton);
74 northPanel.add(htmlButton);
75 if(debug)
76 {
77 northPanel.add(htmlFromText);
78 }
79
80 ButtonGroup bg = new ButtonGroup();
81 bg.add(sourceButton);
82 bg.add(textButton);
83 bg.add(filteredHtmlButton);
84 bg.add(htmlButton);
85 bg.add(htmlFromText);
86
87 GUIUtils.setSmallDimensions(closeButton);
88 GUIUtils.setSmallDimensions(sourceButton);
89 GUIUtils.setSmallDimensions(textButton);
90 GUIUtils.setSmallDimensions(filteredHtmlButton);
91 GUIUtils.setSmallDimensions(htmlButton);
92 GUIUtils.setSmallDimensions(htmlFromText);
93
94
95 closeButton.setBackground(Color.orange);
96 closeButton.addActionListener(new ActionListener()
97 {
98 public void actionPerformed(ActionEvent e)
99 {
100 setVisible(false);
101 dispose();
102 }
103 });
104
105
106
107 this.sourceButton.addActionListener(new ActionListener()
108 {
109 public void actionPerformed(ActionEvent e)
110 {
111 displaySourceTextAction();
112 }
113 });
114
115 this.textButton.addActionListener(new ActionListener()
116 {
117 public void actionPerformed(ActionEvent e)
118 {
119 displayTextAction();
120 }
121 });
122
123 filteredHtmlButton.addActionListener(new ActionListener()
124 {
125 public void actionPerformed(ActionEvent e)
126 {
127 displayFilteredHTMLAction();
128 }
129 });
130
131 this.htmlButton.addActionListener(new ActionListener()
132 {
133 public void actionPerformed(ActionEvent e)
134 {
135 displayHTMLAction();
136 }
137 });
138
139 htmlFromText.addActionListener(new ActionListener()
140 {
141 public void actionPerformed(ActionEvent e)
142 {
143 displayHTMLFromTextAction();
144 }
145 });
146
147 linkField.addActionListener(new ActionListener()
148 {
149 public void actionPerformed(ActionEvent e)
150 {
151 try
152 {
153 URL url = new URL( linkField.getText());
154 textPane.setPage(url); }
156 catch(Exception ee)
157 {
158 ee.printStackTrace();
159 linkLabel.setText("Error: "+ee.getMessage());
160 }
161 }
162 });
163
164
165 JPanel southPanel = new JPanel();
168 southPanel.setLayout(new BoxLayout(southPanel, BoxLayout.X_AXIS));
169 getContentPane().add(southPanel, BorderLayout.SOUTH);
170
171 final JLabel lineLabel = new JLabel();
172 southPanel.add(lineLabel);
173 southPanel.add(linkLabel);
174
175 lineLabel.setBorder(BorderFactory.createCompoundBorder(
176 new EtchedBorder(EtchedBorder.LOWERED),
177 new EmptyBorder(1,1,1,1)));
178 lineLabel.setBackground(getBackground());
180
181 linkLabel.setBorder(BorderFactory.createCompoundBorder(
182 new EtchedBorder(EtchedBorder.LOWERED),
183 new EmptyBorder(1,1,1,1)));
184 linkLabel.setEditable(false);
185 linkLabel.setBackground(getBackground());
186
187
188 textPane.addHyperlinkListener(new HyperlinkListener()
189 {
190 public void hyperlinkUpdate(HyperlinkEvent e)
191 {
192 linkLabel.setText(Language.translate("link")+": "+e.getURL());
193 }
196 });
197
198
199 textPane.addCaretListener(new CaretListener()
200 {
201 public void caretUpdate(javax.swing.event.CaretEvent ce)
202 {
203 int cp = textPane.getCaretPosition();
204 try
205 {
206 DefaultStyledDocument sd = (DefaultStyledDocument) textPane.getDocument();
207 Element elt = sd.getParagraphElement(cp);
208
209 lineLabel.setText(Language.translate("Line")+" "+(TextUtils.getPositionInParent(elt)+1));
210 }
212 catch(Exception e)
213 {
214 e.printStackTrace();
215 }
216 }
217 });
218
219 }
221 public void setHTMLSource(String html)
222 {
223 this.htmlSourceContent = html;
224 filteredHtmlButton.setSelected(true);
225 displayFilteredHTMLAction();
226 }
227
228 public void setText(String html)
229 {
230 this.htmlSourceContent = html;
231 this.sourceButton.setSelected(true);
232 displaySourceTextAction();
233 }
234
235 private void displaySourceTextAction()
236 {
237 textPane.setText("");
238 this.textPane.setEditorKit(styledEditorKit);
239 textPane.setText(htmlSourceContent);
240 textPane.setCaretPosition(0);
241 }
242
243 private void displayTextAction()
244 {
245 try
246 {
247 HTMLTextExtractor he = new HTMLTextExtractor( htmlSourceContent, true);
248
249 textPane.setText("");
250 this.textPane.setEditorKit(styledEditorKit);
251 textPane.setText(he.getTextOnly());
252 textPane.setCaretPosition(0);
253 }
254 catch(Exception e)
255 {
256 this.textPane.setEditorKit(styledEditorKit);
257 textPane.setText(Language.translate("Error")+": "+e.getMessage());
258 }
259 }
260
261
264 private void displayHTMLAction()
265 {
266
278
279 try
280 {
281 HTMLCleaner hc = new HTMLCleaner(htmlSourceContent, false);
282 String fContent = hc.getCleanHTMLText();
283
285 textPane.setText("");
286 this.textPane.setEditorKit(this.hTMLEditorKit);
287 textPane.setText(fContent);
288 textPane.setCaretPosition(0);
289 }
290 catch(Exception e)
291 {
292 this.textPane.setEditorKit(styledEditorKit);
293 textPane.setText(Language.translate("Error")+": "+e.getMessage());
294 }
295
296
297 }
298
299 private void displayHTMLFromTextAction()
300 {
301 String html = textPane.getText();
302 this.textPane.setEditorKit(this.hTMLEditorKit);
303 textPane.setText(html);
304 textPane.setCaretPosition(0);
305
306 }
307
308
309 private void displayFilteredHTMLAction()
310 {
311 try
312 {
313 HTMLCleaner hc = new HTMLCleaner(htmlSourceContent, true);
314 String fContent = hc.getCleanHTMLText();
315
317 textPane.setText("");
318 this.textPane.setEditorKit(this.hTMLEditorKit);
319 textPane.setText(fContent);
320 textPane.setCaretPosition(0);
321 }
322 catch(Exception e)
323 {
324 this.textPane.setEditorKit(styledEditorKit);
325 textPane.setText(Language.translate("Error")+": "+e.getMessage());
326 }
327 }
328
329
330 public static void main(String [] aaa)
331 {
332 JFrame f = new JFrame("");
333 HTMLSecureViewer hs = new HTMLSecureViewer(f, "test");
334 hs.setHTMLSource("<h1>Hello</h1><br><h2>title2</h2>...");
335 hs.setSize(400, 600);
336 hs.setVisible(true);
337
338 }
339
340 } |
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