Java > Open Source Codes > org > netbeans > modules > project > ui > TemplatesPanelGUI


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.project.ui;
20
21 import java.awt.GridBagConstraints ;
22 import java.awt.GridBagLayout ;
23 import java.awt.Font ;
24 import java.awt.Image ;
25 import java.awt.event.ActionEvent ;
26 import java.awt.event.ActionListener ;
27 import java.awt.event.KeyEvent ;
28 import java.beans.PropertyChangeEvent ;
29 import java.beans.PropertyChangeListener ;
30 import java.beans.PropertyVetoException ;
31 import java.beans.VetoableChangeListener ;
32 import java.io.IOException ;
33 import java.io.InputStream ;
34 import java.net.URL ;
35 import java.util.StringTokenizer ;
36 import javax.swing.JComponent ;
37 import javax.swing.JPanel ;
38 import javax.swing.KeyStroke ;
39 import javax.swing.SwingUtilities ;
40 import javax.swing.ToolTipManager ;
41 import javax.swing.UIManager ;
42 import javax.swing.border.Border ;
43 import javax.swing.text.ChangedCharSetException ;
44 import javax.swing.text.Document ;
45 import javax.swing.text.html.HTMLEditorKit ;
46 import javax.swing.text.html.StyleSheet ;
47 import org.openide.ErrorManager;
48 import org.openide.awt.Mnemonics;
49 import org.openide.explorer.ExplorerManager;
50 import org.openide.explorer.view.BeanTreeView;
51 import org.openide.explorer.view.ListView;
52 import org.openide.filesystems.FileObject;
53 import org.openide.loaders.*;
54 import org.openide.nodes.AbstractNode;
55 import org.openide.nodes.Children;
56 import org.openide.nodes.FilterNode;
57 import org.openide.nodes.Node;
58 import org.openide.nodes.NodeNotFoundException;
59 import org.openide.nodes.NodeOp;
60 import org.openide.util.NbBundle;
61 import org.openide.util.RequestProcessor;
62 import org.openide.util.Utilities;
63
64 /**
65  *
66  * @author tom
67  */
68 public class TemplatesPanelGUI extends javax.swing.JPanel implements PropertyChangeListener {
69     
70     public static interface Builder {
71
72         public Children createCategoriesChildren (DataFolder folder);
73         
74         public Children createTemplatesChildren (DataFolder folder);
75         
76         public String getCategoriesName ();
77         
78         public String getTemplatesName ();
79         
80         public void fireChange ();
81     }
82     
83     public static final String TEMPLATES_FOLDER = "templatesFolder"; //NOI18N
84 public static final String TARGET_TEMPLATE = "targetTemplate"; //NOI18N
85 private static final String ATTR_INSTANTIATING_DESC = "instantiatingWizardURL"; //NOI18N
86 private static final Image PLEASE_WAIT_ICON = Utilities.loadImage ("org/netbeans/modules/project/ui/resources/wait.gif"); // NOI18N
87
88     private Builder firer;
89
90     private static final RequestProcessor RP = new RequestProcessor();
91     
92     private String presetTemplateName = null;
93     private Node pleaseWait;
94
95     /** Creates new form TemplatesPanelGUI */
96     public TemplatesPanelGUI (Builder firer) {
97         assert firer != null : "Builder can not be null"; //NOI18N
98 this.firer = firer;
99         initComponents();
100         postInitComponents ();
101         setName (NbBundle.getMessage(TemplatesPanelGUI.class, "TXT_SelectTemplate")); // NOI18N
102 }
103
104     public void setTemplatesFolder (final FileObject folder) {
105         DataFolder dobj = DataFolder.findFolder (folder);
106         ((ExplorerProviderPanel)this.categoriesPanel).setRootNode(new FilterNode (
107             dobj.getNodeDelegate(), this.firer.createCategoriesChildren(dobj)));
108     }
109
110     public void setSelectedCategoryByName (final String categoryName) {
111         if (categoryName != null) {
112             try {
113                 ((org.netbeans.modules.project.ui.TemplatesPanelGUI.ExplorerProviderPanel) this.categoriesPanel).setSelectedNode(categoryName);
114             }
115             catch (NodeNotFoundException ex) {
116                 // if categoryName is null then select first category leastwise
117 ((CategoriesPanel)this.categoriesPanel).selectFirstCategory ();
118             }
119         } else {
120             // if categoryName is null then select first category leastwise
121 ((CategoriesPanel)this.categoriesPanel).selectFirstCategory ();
122         }
123     }
124     
125     public String getSelectedCategoryName () {
126         return ((ExplorerProviderPanel)this.categoriesPanel).getSelectionPath();
127     }
128     
129     public void setSelectedTemplateByName (final String templateName) {
130         presetTemplateName = templateName;
131         final TemplatesPanel tempExplorer = ((TemplatesPanel)this.projectsPanel);
132     
133         SwingUtilities.invokeLater (new Runnable () {
134             public void run () {
135                 if (templateName != null) {
136                     try {
137                         tempExplorer.setSelectedNode(templateName);
138                     }
139                     catch (NodeNotFoundException ex) {
140                         //ignore here..
141 }
142                     if (tempExplorer.getSelectionPath() == null) {
143                         presetTemplateName = null;
144                         tempExplorer.selectFirstTemplate();
145                     }
146                 } else {
147                     tempExplorer.selectFirstTemplate ();
148                 }
149             }
150         });
151
152     }
153     
154     public String getSelectedTemplateName () {
155         return ((TemplatesPanel)this.projectsPanel).getSelectionPath();
156     }
157     
158     public FileObject getSelectedTemplate () {
159         Node[] nodes = ((ExplorerProviderPanel) this.projectsPanel).getSelectedNodes();
160         if (nodes != null && nodes.length == 1) {
161             DataObject dobj = nodes[0].getCookie(DataObject.class);
162             if (dobj != null) {
163                 while (dobj instanceof DataShadow) {
164                     dobj = ((DataShadow)dobj).getOriginal();
165                 }
166                 return dobj.getPrimaryFile();
167             }
168         }
169         return null;
170     }
171
172     public void propertyChange (PropertyChangeEvent event) {
173         if (event.getSource() == this.categoriesPanel) {
174             if (ExplorerManager.PROP_SELECTED_NODES.equals (event.getPropertyName ())) {
175                 Node[] selectedNodes = (Node[]) event.getNewValue();
176                 if (selectedNodes != null && selectedNodes.length == 1) {
177                     assert pleaseWait == null || !pleaseWait.equals (selectedNodes[0]) : "Cannot be fired a propertyChange with PleaseWaitNode, but was " + selectedNodes[0];
178                     try {
179                         ((ExplorerProviderPanel)this.projectsPanel).setSelectedNodes(new Node[0]);
180                     } catch (PropertyVetoException e) {
181                         /*Ignore it*/
182                     }
183                     DataObject template = (DataObject) selectedNodes[0].getCookie(DataFolder.class);
184                     if (template != null) {
185                         FileObject fo = template.getPrimaryFile();
186                         ((ExplorerProviderPanel)this.projectsPanel).setRootNode(
187                             new FilterNode (selectedNodes[0], this.firer.createTemplatesChildren((DataFolder)template)));
188                         // after change of root select the first template to make easy move in wizard
189 this.setSelectedTemplateByName (presetTemplateName);
190                     }
191                 }
192             }
193         }
194         else if (event.getSource() == this.projectsPanel) {
195             if (ExplorerManager.PROP_SELECTED_NODES.equals (event.getPropertyName())) {
196                 Node[] selectedNodes = (Node[]) event.getNewValue ();
197                 if (selectedNodes != null && selectedNodes.length == 1) {
198                     DataObject template = selectedNodes[0].getCookie(DataObject.class);
199                     if (template != null) {
200                         FileObject fo = template.getPrimaryFile();
201                         URL descURL = getDescription (template);
202                         if (descURL != null) {
203                             try {
204                                 //this.description.setPage (descURL);
205 // Set page does not work well if there are mutiple calls to that
206 // see issue #49067. This is a hotfix for the bug which causes
207 // synchronous loading of the content. It should be improved later
208 // by doing it in request processor.
209
210                                 //this.description.read( descURL.openStream(), descURL );
211 // #52801: handlig changed charset
212 String charset = findEncodingFromURL (descURL.openStream ());
213                                 ErrorManager.getDefault ().log (ErrorManager.INFORMATIONAL, "Url " + descURL + " has charset " + charset); // NOI18N
214 if (charset != null) {
215                                     description.putClientProperty ("charset", charset); // NOI18N
216 }
217                                 this.description.read( descURL.openStream(), descURL );
218                             } catch (ChangedCharSetException x) {
219                                 Document doc = description.getEditorKit ().createDefaultDocument ();
220                                 doc.putProperty ("IgnoreCharsetDirective", Boolean.valueOf (true)); // NOI18N
221 try {
222                                     description.read (descURL.openStream (), doc);
223                                 } catch (IOException ioe) {
224                                     ErrorManager.getDefault ().notify (ErrorManager.INFORMATIONAL, ioe);
225                                     this.description.setText (NbBundle.getBundle (TemplatesPanelGUI.class).getString ("TXT_NoDescription")); // NOI18N
226 }
227                             } catch (IOException e) {
228                                 ErrorManager.getDefault ().notify (ErrorManager.INFORMATIONAL, e);
229                                 this.description.setText (NbBundle.getBundle (TemplatesPanelGUI.class).getString ("TXT_NoDescription")); // NOI18N
230 }
231                         }
232                         else {
233                             this.description.setText (NbBundle.getBundle (TemplatesPanelGUI.class).getString ("TXT_NoDescription")); // NOI18N
234 }
235                     }
236                 } else {
237                     // bugfix #46738, Description in New Project dialog doesn't show description of selected categories
238 this.description.setText (NbBundle.getBundle (TemplatesPanelGUI.class).getString ("TXT_NoDescription")); // NOI18N
239 }
240                 this.firer.fireChange ();
241             }
242         }
243     }
244         
245     private void postInitComponents () {
246         Mnemonics.setLocalizedText(jLabel1, this.firer.getCategoriesName());
247         Mnemonics.setLocalizedText(jLabel2, this.firer.getTemplatesName());
248         this.description.setEditorKit(new HTMLEditorKit ());
249
250         // please wait node, see issue 52900
251 pleaseWait = new AbstractNode (Children.LEAF) {
252             public Image getIcon (int ignore) {
253                 return PLEASE_WAIT_ICON;
254             }
255         };
256         pleaseWait.setName (NbBundle.getBundle (TemplatesPanelGUI.class).getString ("LBL_TemplatesPanel_PleaseWait"));
257         Children ch = new Children.Array ();
258         ch.add (new Node[] {pleaseWait});
259         final Node root = new AbstractNode (ch);
260         SwingUtilities.invokeLater (new Runnable () {
261             public void run () {
262                 ((ExplorerProviderPanel)categoriesPanel).setRootNode (root);
263             }
264         });
265     }
266
267     /** This method is called from within the constructor to
268      * initialize the form.
269      * WARNING: Do NOT modify this code. The content of this method is
270      * always regenerated by the Form Editor.
271      */
272     // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
273 private void initComponents() {
274         java.awt.GridBagConstraints gridBagConstraints;
275
276         jLabel1 = new javax.swing.JLabel ();
277         jLabel2 = new javax.swing.JLabel ();
278         categoriesPanel = new CategoriesPanel ();
279         projectsPanel = new TemplatesPanel ();
280         jLabel3 = new javax.swing.JLabel ();
281         jScrollPane1 = new javax.swing.JScrollPane ();
282         description = new javax.swing.JEditorPane ();
283
284         setPreferredSize(new java.awt.Dimension (500, 230));
285         setLayout(new java.awt.GridBagLayout ());
286
287         jLabel1.setLabelFor(categoriesPanel);
288         org.openide.awt.Mnemonics.setLocalizedText(jLabel1, org.openide.util.NbBundle.getBundle(TemplatesPanelGUI.class).getString("CTL_Categories")); // NOI18N
289 gridBagConstraints = new java.awt.GridBagConstraints ();
290         gridBagConstraints.gridx = 0;
291         gridBagConstraints.gridy = 0;
292         gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
293         gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
294         gridBagConstraints.weightx = 0.4;
295         gridBagConstraints.insets = new java.awt.Insets (0, 0, 0, 6);
296         add(jLabel1, gridBagConstraints);
297
298         jLabel2.setLabelFor(projectsPanel);
299         org.openide.awt.Mnemonics.setLocalizedText(jLabel2, org.openide.util.NbBundle.getBundle(TemplatesPanelGUI.class).getString("CTL_Templates")); // NOI18N
300 gridBagConstraints = new java.awt.GridBagConstraints ();
301         gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
302         gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
303         gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
304         gridBagConstraints.weightx = 0.6;
305         gridBagConstraints.insets = new java.awt.Insets (0, 6, 0, 0);
306         add(jLabel2, gridBagConstraints);
307         gridBagConstraints = new java.awt.GridBagConstraints ();
308         gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
309         gridBagConstraints.weightx = 0.4;
310         gridBagConstraints.weighty = 0.7;
311         gridBagConstraints.insets = new java.awt.Insets (2, 0, 6, 6);
312         add(categoriesPanel, gridBagConstraints);
313         gridBagConstraints = new java.awt.GridBagConstraints ();
314         gridBagConstraints.gridx = 1;
315         gridBagConstraints.gridy = 1;
316         gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
317         gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
318         gridBagConstraints.weightx = 0.6;
319         gridBagConstraints.weighty = 0.7;
320         gridBagConstraints.insets = new java.awt.Insets (2, 6, 6, 0);
321         add(projectsPanel, gridBagConstraints);
322
323         jLabel3.setLabelFor(description);
324         org.openide.awt.Mnemonics.setLocalizedText(jLabel3, org.openide.util.NbBundle.getBundle(TemplatesPanelGUI.class).getString("CTL_Description")); // NOI18N
325 gridBagConstraints = new java.awt.GridBagConstraints ();
326         gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
327         gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
328         gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
329         gridBagConstraints.insets = new java.awt.Insets (2, 0, 0, 0);
330         add(jLabel3, gridBagConstraints);
331
332         description.setEditable(false);
333         description.setText(org.openide.util.NbBundle.getBundle(TemplatesPanelGUI.class).getString("TXT_NoDescription")); // NOI18N
334 description.setPreferredSize(new java.awt.Dimension (100, 66));
335         jScrollPane1.setViewportView(description);
336
337         gridBagConstraints = new java.awt.GridBagConstraints ();
338         gridBagConstraints.gridx = 0;
339         gridBagConstraints.gridy = 3;
340         gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
341         gridBagConstraints.gridheight = java.awt.GridBagConstraints.REMAINDER;
342         gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
343         gridBagConstraints.weightx = 1.0;
344         gridBagConstraints.weighty = 0.3;
345         gridBagConstraints.insets = new java.awt.Insets (2, 0, 0, 0);
346         add(jScrollPane1, gridBagConstraints);
347     }// </editor-fold>//GEN-END:initComponents
348
349     private URL getDescription (DataObject dobj) {
350         //XXX: Some templates are using templateWizardURL others instantiatingWizardURL. What is correct?
351 FileObject fo = dobj.getPrimaryFile();
352         URL desc = (URL ) fo.getAttribute(ATTR_INSTANTIATING_DESC);
353         if (desc != null) {
354             return desc;
355         }
356         desc = TemplateWizard.getDescription (dobj);
357         return desc;
358     }
359     
360     private static abstract class ExplorerProviderPanel extends JPanel implements ExplorerManager.Provider, PropertyChangeListener , VetoableChangeListener {
361         
362         private ExplorerManager manager;
363         
364         protected ExplorerProviderPanel () {
365             this.manager = new ExplorerManager ();
366             this.manager.addPropertyChangeListener(this);
367             this.manager.addVetoableChangeListener(this);
368             this.initGUI ();
369         }
370                 
371         public void setRootNode (Node node) {
372             this.manager.setRootContext(node);
373         }
374         
375         public Node getRootNode () {
376             return this.manager.getRootContext();
377         }
378         
379         public Node[] getSelectedNodes () {
380             return this.manager.getSelectedNodes();
381         }
382         
383         public void setSelectedNodes (Node[] nodes) throws PropertyVetoException {
384             this.manager.setSelectedNodes(nodes);
385         }
386         
387         public void setSelectedNode (String path) throws NodeNotFoundException {
388             if (path == null) {
389                 return;
390             }
391             StringTokenizer tk = new StringTokenizer (path,"/"); //NOI18N
392 String [] names = new String [tk.countTokens()];
393             for (int i=0;tk.hasMoreTokens();i++) {
394                 names[i] = tk.nextToken();
395             }
396             try {
397                 Node node = NodeOp.findPath(this.manager.getRootContext(),names);
398                 if (node != null) {
399                     this.manager.setSelectedNodes(new Node[] {node});
400                 }
401             } catch (PropertyVetoException e) {
402                 //Skip it, not important
403 }
404         }
405         
406         public String getSelectionPath () {
407             Node[] selectedNodes = this.manager.getSelectedNodes();
408             if (selectedNodes == null || selectedNodes.length != 1) {
409                 return null;
410             }
411             Node rootNode = this.manager.getRootContext();
412             String [] path = NodeOp.createPath(selectedNodes[0],rootNode);
413             StringBuffer builder = new StringBuffer ();
414             for (int i=0; i< path.length; i++) {
415                 builder.append('/'); //NOI18N
416 builder.append(path[i]);
417             }
418             return builder.substring(1);
419         }
420         
421         public ExplorerManager getExplorerManager() {
422             return this.manager;
423         }
424         
425      
426         public void propertyChange (final PropertyChangeEvent event) {
427             // workaround of issue 43502, update of Help button set back the focus
428 // to component which is active when this change starts
429 //XXX: this workaround causes problems in the selection of templates
430 // and should be removed, this workaround can be workarounded in the
431 // setSelectedTemplateByName when template name is null
432 // select the first template only if no template is already selected,
433 // but nicer solution is to remove this workaround at all.
434 SwingUtilities.invokeLater (new Runnable () {
435                 public void run () {
436                     firePropertyChange(event.getPropertyName(),
437                         event.getOldValue(), event.getNewValue());
438                      }
439             });
440         }
441         
442         
443         public void vetoableChange(PropertyChangeEvent evt) throws PropertyVetoException {
444             if (ExplorerManager.PROP_SELECTED_NODES.equals (evt.getPropertyName())) {
445                 Node[] newValue = (Node[]) evt.getNewValue();
446                 if (newValue == null || (newValue.length != 1 && newValue.length != 0)) {
447                     throw new PropertyVetoException ("Invalid length",evt); //NOI18N
448 }
449             }
450         }
451         
452         public void requestFocus () {
453             this.createComponent().requestFocus();
454         }
455         
456         protected abstract JComponent createComponent ();
457         
458         private void initGUI () {
459             this.setLayout (new GridBagLayout ());
460             GridBagConstraints c = new GridBagConstraints ();
461             c.gridx = GridBagConstraints.RELATIVE;
462             c.gridy = GridBagConstraints.RELATIVE;
463             c.gridwidth = GridBagConstraints.REMAINDER;
464             c.gridheight = GridBagConstraints.REMAINDER;
465             c.fill = GridBagConstraints.BOTH;
466             c.anchor = GridBagConstraints.NORTHWEST;
467             c.weightx = 1.0;
468             c.weighty = 1.0;
469             JComponent component = this.createComponent ();
470             ((GridBagLayout )this.getLayout()).setConstraints(component, c);
471             this.add (component);
472         }
473         
474     }
475
476
477     private static class CategoriesBeanTreeView extends BeanTreeView {
478         public CategoriesBeanTreeView () {
479             super ();
480             this.tree.setEditable(false);
481         }
482         public void selectFirstCategory () {
483             SwingUtilities.invokeLater (new Runnable () {
484                 public void run () {
485                     tree.setSelectionRow (0);
486                 }
487             });
488         }
489     }
490
491     private static final class CategoriesPanel extends ExplorerProviderPanel {
492
493         private CategoriesBeanTreeView btv;
494
495         protected synchronized JComponent createComponent () {
496             if (this.btv == null) {
497                 this.btv = new CategoriesBeanTreeView ();
498                 this.btv.setRootVisible(false);
499                 this.btv.setPopupAllowed(false);
500                 this.btv.setDefaultActionAllowed(false);
501                 this.btv.getAccessibleContext ().setAccessibleName (NbBundle.getMessage (TemplatesPanelGUI.class, "ACSN_CategoriesPanel")); // NOI18N
502 this.btv.getAccessibleContext ().setAccessibleDescription (NbBundle.getMessage (TemplatesPanelGUI.class, "ACSD_CategoriesPanel")); // NOI18N
503 this.btv.setBorder((Border )UIManager.get("Nb.ScrollPane.border")); // NOI18N
504 }
505             return this.btv;
506         }
507         
508         public void selectFirstCategory () {
509             btv.selectFirstCategory ();
510         }
511         
512     }
513     
514     private static class TemplatesListView extends ListView implements ActionListener {
515         public TemplatesListView () {
516             super ();
517             // bugfix #44717, Enter key must work regardless if TemplatesPanels is focused
518 list.unregisterKeyboardAction (KeyStroke.getKeyStroke (KeyEvent.VK_ENTER, 0, false));
519             getAccessibleContext ().setAccessibleName ("OUTER LIST");
520             getAccessibleContext ().setAccessibleDescription ("DESC OUTER LIST");
521             setDefaultProcessor( this );
522             ToolTipManager.sharedInstance ().unregisterComponent (list);
523         }
524         
525         public void actionPerformed( ActionEvent e ) {
526             // Do nothing
527 }
528     }
529     
530     private static final class TemplatesPanel extends ExplorerProviderPanel {
531         
532         private ListView list;
533
534         protected synchronized JComponent createComponent () {
535             if (this.list == null) {
536                 this.list = new TemplatesListView ();
537                 this.list.setPopupAllowed(false);
538                 this.list.getAccessibleContext ().setAccessibleName (NbBundle.getMessage (TemplatesPanelGUI.class, "ACSN_TemplatesPanel")); // NOI18N
539 this.list.getAccessibleContext ().setAccessibleDescription (NbBundle.getMessage (TemplatesPanelGUI.class, "ACSD_TemplatesPanel")); // NOI18N
540 this.list.setBorder((Border )UIManager.get("Nb.ScrollPane.border")); // NOI18N
541 }
542             
543             return this.list;
544         }
545         
546         public void selectFirstTemplate () {
547             try {
548                 Children ch = getExplorerManager ().getRootContext ().getChildren ();
549                 if (ch.getNodesCount () > 0) {
550                     getExplorerManager ().setSelectedNodes (new Node[] { ch.getNodes ()[0] });
551                 }
552             } catch (PropertyVetoException pve) {
553                 // doesn't matter, can ignore it
554 }
555         }
556         
557     }
558            
559     // Variables declaration - do not modify//GEN-BEGIN:variables
560 private javax.swing.JPanel categoriesPanel;
561     private javax.swing.JEditorPane description;
562     private javax.swing.JLabel jLabel1;
563     private javax.swing.JLabel jLabel2;
564     private javax.swing.JLabel jLabel3;
565     private javax.swing.JScrollPane jScrollPane1;
566     private javax.swing.JPanel projectsPanel;
567     // End of variables declaration//GEN-END:variables
568
569
570     void warmUp (FileObject templatesFolder) {
571         if (templatesFolder != null) {
572             DataFolder df = DataFolder.findFolder (templatesFolder);
573             if (df != null) {
574                 df.getChildren();
575             }
576         }
577     }
578
579     void doFinished (FileObject temlatesFolder, String category, String template) {
580         assert temlatesFolder != null;
581         
582         this.categoriesPanel.addPropertyChangeListener(this);
583         this.projectsPanel.addPropertyChangeListener(this);
584         
585         this.setTemplatesFolder (temlatesFolder);
586         this.setSelectedCategoryByName (category);
587         this.setSelectedTemplateByName (template);
588         categoriesPanel.requestFocus ();
589         if (description.getEditorKit() instanceof HTMLEditorKit ) {
590             // override the Swing default CSS to make the HTMLEditorKit use the
591 // same font as the rest of the UI.
592
593             // XXX the style sheet is shared by all HTMLEditorKits. We must
594 // detect if it has been tweaked by ourselves or someone else
595 // (code completion javadoc popup for example) and avoid doing the
596 // same thing again
597
598             HTMLEditorKit htmlkit = (HTMLEditorKit ) description.getEditorKit();
599             StyleSheet css = htmlkit.getStyleSheet();
600             if (css.getStyleSheets() != null)
601                 return;
602
603             StyleSheet css2 = new StyleSheet ();
604             Font f = jLabel1.getFont();
605             css2.addRule(new StringBuffer ("body { font-size: ").append(f.getSize()) // NOI18N
606 .append("; font-family: ").append(f.getName()).append("; }").toString()); // NOI18N
607 css2.addStyleSheet(css);
608             htmlkit.setStyleSheet(css2);
609         }
610     }
611
612     // encoding support; copied from html/HtmlEditorSupport
613 private static String findEncodingFromURL (InputStream stream) {
614         try {
615             byte[] arr = new byte[4096];
616             int len = stream.read (arr, 0, arr.length);
617             String txt = new String (arr, 0, (len>=0)?len:0).toUpperCase();
618             // encoding
619 return findEncoding (txt);
620         } catch (Exception x) {
621             x.printStackTrace();
622         }
623         return null;
624     }
625
626     /** Tries to guess the mime type from given input stream. Tries to find
627      * <em>&lt;meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"&gt;</em>
628      * @param txt the string to search in (should be in upper case)
629      * @return the encoding or null if no has been found
630      */
631     private static String findEncoding (String txt) {
632         int headLen = txt.indexOf ("</HEAD>"); // NOI18N
633 if (headLen == -1) headLen = txt.length ();
634         
635         int content = txt.indexOf ("CONTENT-TYPE"); // NOI18N
636 if (content == -1 || content > headLen) {
637             return null;
638         }
639         
640         int charset = txt.indexOf ("CHARSET=", content); // NOI18N
641 if (charset == -1) {
642             return null;
643         }
644         
645         int charend = txt.indexOf ('"', charset);
646         int charend2 = txt.indexOf ('\'', charset);
647         if (charend == -1 && charend2 == -1) {
648             return null;
649         }
650
651         if (charend2 != -1) {
652             if (charend == -1 || charend > charend2) {
653                 charend = charend2;
654             }
655         }
656         
657         return txt.substring (charset + "CHARSET=".length (), charend); // NOI18N
658 }
659     
660 }
661

A to Z: JavaDoc & Examples

---

Daily Java News & Articles

---

Open Source Projects

---

Open Source Codes

---

Free Computer Books

---

Remove Frame

---

Popular Tags