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1
27 package org.htmlparser.parserapplications.filterbuilder.wrappers;
28
29 import java.awt.event.ActionEvent  ;
30 import java.awt.event.ActionListener ;
31 import java.util.Locale ;
32
33 import javax.swing.JCheckBox ;
34 import javax.swing.JComboBox ;
35 import javax.swing.JTextArea ;
36 import javax.swing.border.BevelBorder ;
37 import javax.swing.event.DocumentEvent ;
38 import javax.swing.event.DocumentListener ;
39 import javax.swing.text.BadLocationException ;
40 import javax.swing.text.Document ;
41
42 import org.htmlparser.Node;
43 import org.htmlparser.NodeFilter;
44 import org.htmlparser.Parser;
45 import org.htmlparser.filters.StringFilter;
46 import org.htmlparser.parserapplications.filterbuilder.Filter;
47
48
51 public class StringFilterWrapper
52 extends
53 Filter
54 implements
55 ActionListener ,
56 DocumentListener ,
57 Runnable
58 {
59
62 protected StringFilter mFilter;
63
64
67 protected JTextArea mPattern;
68
69
72 protected JCheckBox mCaseSensitivity;
73
74
77 protected JComboBox mLocale;
78
79
82 protected static Locale [] mLocales = null;
83
84
87 public StringFilterWrapper ()
88 {
89 Thread thread;
90
91 mFilter = new StringFilter ();
92 mFilter.setCaseSensitive (true);
93
94 mPattern = new JTextArea (2, 20);
96 mPattern.setBorder (new BevelBorder (BevelBorder.LOWERED));
97 add (mPattern);
98 mPattern.getDocument ().addDocumentListener (this);
99 mPattern.setText (mFilter.getPattern ());
100
101 mCaseSensitivity = new JCheckBox ("Case Sensitive");
103 add (mCaseSensitivity);
104 mCaseSensitivity.addActionListener (this);
105 mCaseSensitivity.setSelected (mFilter.getCaseSensitive ());
106
107 mLocale = new JComboBox ();
109 synchronized (mLocale)
110 {
111 mLocale.addItem (mFilter.getLocale ().getDisplayName ());
112 thread = new Thread (this);
113 thread.setName ("locale_getter");
114 thread.setPriority (Thread.MIN_PRIORITY);
115 thread.run ();
116 }
117 add (mLocale);
118 mLocale.addActionListener (this);
119 mLocale.setSelectedIndex (0);
120 mLocale.setVisible (!mFilter.getCaseSensitive ());
121 }
122
123
127 public String getDescription ()
128 {
129 return ("Nodes containing string");
130 }
131
132 public String getIconSpec ()
133 {
134 return ("images/StringFilter.gif");
135 }
136
137 public NodeFilter getNodeFilter ()
138 {
139 StringFilter ret;
140
141 ret = new StringFilter ();
142 ret.setCaseSensitive (mFilter.getCaseSensitive ());
143 ret.setLocale (mFilter .getLocale ());
144 ret.setPattern (mFilter.getPattern ());
145
146 return (ret);
147 }
148
149 public void setNodeFilter (NodeFilter filter, Parser context)
150 {
151 mFilter = (StringFilter)filter;
152 mPattern.setText (mFilter.getPattern ());
153 mCaseSensitivity.setSelected (mFilter.getCaseSensitive ());
154 mLocale.setVisible (!mFilter.getCaseSensitive ());
155 mLocale.setSelectedItem (mFilter.getLocale ().getDisplayName ());
156 }
157
158 public NodeFilter[] getSubNodeFilters ()
159 {
160 return (new NodeFilter[0]);
161 }
162
163 public void setSubNodeFilters (NodeFilter[] filters)
164 {
165 }
167
168 public String toJavaCode (StringBuffer out, int[] context)
169 {
170 String ret;
171
172 ret = "filter" + context[1]++;
173 spaces (out, context[0]);
174 out.append ("StringFilter ");
175 out.append (ret);
176 out.append (" = new StringFilter ();");
177 newline (out);
178 spaces (out, context[0]);
179 out.append (ret);
180 out.append (".setCaseSensitive (");
181 out.append (mFilter.getCaseSensitive () ? "true" : "false");
182 out.append (");");
183 newline (out);
184 spaces (out, context[0]);
185 out.append (ret);
186 out.append (".setLocale (new java.util.Locale (\"");
187 out.append (mFilter .getLocale ().getLanguage ());
188 out.append ("\", \"");
189 out.append (mFilter .getLocale ().getCountry ());
190 out.append ("\", \"");
191 out.append (mFilter .getLocale ().getVariant ());
192 out.append ("\"));");
193 newline (out);
194 spaces (out, context[0]);
195 out.append (ret);
196 out.append (".setPattern (\"");
197 out.append (mFilter.getPattern ());
198 out.append ("\");");
199 newline (out);
200
201 return (ret);
202 }
203
204
208 public boolean accept (Node node)
209 {
210 return (mFilter.accept (node));
211 }
212
213
217
220 public void actionPerformed (ActionEvent event)
221 {
222 Object source;
223 boolean sensitive;
224 Object [] selection;
225 String locale;
226
227 source = event.getSource ();
228 if (source == mCaseSensitivity)
229 {
230 sensitive = mCaseSensitivity.isSelected ();
231 mFilter.setCaseSensitive (sensitive);
232 mLocale.setVisible (!sensitive);
233 mLocale.setSelectedItem (mFilter.getLocale ().getDisplayName ());
234 }
235 else if (source == mLocale)
236 {
237 synchronized (mLocale)
238 {
239 selection = mLocale.getSelectedObjects ();
240 if ((null != selection) && (0 != selection.length))
241 {
242 locale = (String )selection[0];
243 for (int i = 0; i < mLocales.length; i++)
244 if (locale.equals (mLocales[i].getDisplayName ()))
245 mFilter.setLocale (mLocales[i]);
246 }
247 }
248 }
249 }
250
251 public void run()
255 {
256 String locale;
257
258 synchronized (mLocale)
259 {
260 mLocales = Locale.getAvailableLocales ();
261 locale = mFilter.getLocale ().getDisplayName ();
262 for (int i = 0; i < mLocales.length; i++)
263 if (!locale.equals (mLocales[i].getDisplayName ()))
264 mLocale.addItem (mLocales[i].getDisplayName ());
265 mLocale.invalidate ();
266 }
267 }
268
269
273 public void insertUpdate (DocumentEvent e)
274 {
275 Document doc;
276
277 doc = e.getDocument ();
278 try
279 {
280 mFilter.setPattern (doc.getText (0, doc.getLength ()));
281 }
282 catch (BadLocationException ble)
283 {
284 ble.printStackTrace ();
285 }
286 }
287
288 public void removeUpdate (DocumentEvent e)
289 {
290 Document doc;
291
292 doc = e.getDocument ();
293 try
294 {
295 mFilter.setPattern (doc.getText (0, doc.getLength ()));
296 }
297 catch (BadLocationException ble)
298 {
299 ble.printStackTrace ();
300 }
301 }
302
303 public void changedUpdate (DocumentEvent e)
304 {
305 }
307 }
308 |
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