source: trunk/gli/src/org/greenstone/gatherer/cdm/TranslationView.java@ 10556

Last change on this file since 10556 was 10556, checked in by kjdon, 19 years ago

fixes to make the config file save only if it has changed
  • Property svn:keywords set to Author Date Id Revision
File size: 28.1 KB
Line 
1/**
2 *#########################################################################
3 *
4 * A component of the Gatherer application, part of the Greenstone digital
5 * library suite from the New Zealand Digital Library Project at the
6 * University of Waikato, New Zealand.
7 *
8 * Author: John Thompson, Greenstone Digital Library, University of Waikato
9 *
10 * Copyright (C) 1999 New Zealand Digital Library Project
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 *########################################################################
26 */
27package org.greenstone.gatherer.cdm;
28
29import java.awt.*;
30import java.awt.event.*;
31import java.util.*;
32import javax.swing.*;
33import javax.swing.event.*;
34import javax.swing.table.*;
35import org.greenstone.gatherer.Configuration;
36import org.greenstone.gatherer.DebugStream;
37import org.greenstone.gatherer.Dictionary;
38import org.greenstone.gatherer.Gatherer;
39import org.greenstone.gatherer.gui.GLIButton;
40
41/** This class provides a graphical interface to allow a user to quickly and conviently (ie all in one place) translate the text fragments associated with general metadata and indexes into each of the assigned languages in the collection. It should provide clear controls for the editing of these text fragments, plus clear indicate what languages still need further translation, which it will do through a combination of coloring and other visual indicators.
42 * @author John Thompson, Greenstone Digital Library, University of Waikato
43 * @version 2.3
44 */
45public class TranslationView {
46
47 private Control controls;
48
49 static final private Dimension COMPONENT_SIZE = new Dimension(225,25);
50 static final private int LANGUAGE_WIDTH = 75;
51 static final private String GENERAL_STR = "General:";
52 static final private String INDEX_STR = "Index:";
53 static final private String PARTITION_STR = "Partitions:";
54
55 public TranslationView() {
56 DebugStream.println("TranslationView: Initialized.");
57 }
58
59 public void destroy() {
60 if(controls != null) {
61 controls.destroy();
62 controls = null;
63 }
64 }
65
66 public Control getControls() {
67 if(controls == null) {
68 controls = new TranslationControl();
69 }
70 return controls;
71 }
72
73 private Object[] getFeaturesList() {
74 ArrayList features_model = new ArrayList();
75
76 // Add the indexes
77 ArrayList indexes = CollectionDesignManager.index_manager.getIndexes();
78 int indexes_size = indexes.size();
79 for(int j = 0; j < indexes_size; j++) {
80 Object bob = new BobTheMagicalComparableWrapper(indexes.get(j));
81 if(!features_model.contains(bob)) {
82 features_model.add(bob);
83 }
84 }
85
86 // We also add subindexes.
87 ArrayList subindexes = CollectionDesignManager.subcollectionindex_manager.getSubcollectionIndexes();
88 int subindexes_size = subindexes.size();
89 for(int j = 0; j < subindexes_size; j++) {
90 Object bob = new BobTheMagicalComparableWrapper(subindexes.get(j));
91 if(!features_model.contains(bob)) {
92 features_model.add(bob);
93 }
94 }
95
96 // Finally we add any remaining metadata as general
97 ArrayList general_metadata = CollectionDesignManager.collectionmeta_manager.getMetadata();
98 for(int i = 0; i < general_metadata.size(); i++) {
99 CollectionMeta metadata = (CollectionMeta) general_metadata.get(i);
100 if(!metadata.isSpecial()) {
101 Object bob = new BobTheMagicalComparableWrapper(metadata.getName());
102 if(!features_model.contains(bob)) {
103 features_model.add(bob);
104 }
105 }
106 }
107
108 Collections.sort(features_model);
109
110 return features_model.toArray();
111 }
112
113 private class BobTheMagicalComparableWrapper
114 implements Comparable {
115 private Object content;
116 private String text;
117 BobTheMagicalComparableWrapper(Object content) {
118 this.content = content;
119 }
120 public int compareTo(Object object) {
121 if(object == null) {
122 object = "";
123 }
124 if(text == null) {
125 toString();
126 }
127 return text.compareTo(object.toString());
128 }
129
130 /** Equals is used by contains and since we want to prevent double up of metadata we compare differently than in compareTo. */
131 public boolean equals(Object object) {
132 return (object != null && content.toString().equals(((BobTheMagicalComparableWrapper)object).getContent().toString()));
133 }
134
135 public Object getContent() {
136 return content;
137 }
138
139 public String getName() {
140 if(content instanceof Index) {
141 return CollectionConfiguration.STOP_CHARACTER + ((Index)content).getID();
142 }
143 else if (content instanceof SubcollectionIndex) {
144 return CollectionConfiguration.STOP_CHARACTER + ((SubcollectionIndex)content).getID();
145 }
146 else {
147 return content.toString();
148 }
149 }
150
151 public String toString() {
152 if(text == null) {
153 String temp = content.toString();
154 if(temp.indexOf(CollectionConfiguration.SPACE_CHARACTER) != -1) {
155 temp = temp.substring(0, temp.indexOf(CollectionConfiguration.SPACE_CHARACTER));
156 }
157 if(content instanceof Index) {
158 text = INDEX_STR + temp;
159 }
160 else if(content instanceof SubcollectionIndex) {
161 text = PARTITION_STR + temp;
162 }
163 else {
164 text = GENERAL_STR + temp;
165 }
166 }
167 return text;
168 }
169 }
170
171 private class TranslationControl
172 extends JPanel
173 implements Control {
174
175 private boolean ignore_event = false;
176 private FragmentTableModel fragment_table_model;
177 private JButton add_button;
178 private JButton remove_button;
179 private JButton replace_button;
180 private JComboBox language_combobox;
181 private JList features_list;
182 private JTable fragment_table;
183 private JTextArea default_area;
184 private JTextArea translation_area;
185
186 TranslationControl() {
187 fragment_table_model = new FragmentTableModel("", new TreeSet(), new ArrayList());
188 // Creation
189 JPanel header_panel = new JPanel();
190 JLabel title_label = new JLabel();
191 title_label.setHorizontalAlignment(JLabel.CENTER);
192 Dictionary.registerText(title_label, "CDM.TranslationManager.Title");
193
194 JTextArea instruction_area = new JTextArea();
195 instruction_area.setEditable(false);
196 instruction_area.setLineWrap(true);
197 instruction_area.setRows(6);
198 instruction_area.setWrapStyleWord(true);
199 Dictionary.registerText(instruction_area, "CDM.TranslationManager.Instructions");
200
201 JPanel center_panel = new JPanel();
202
203 JPanel selection_panel = new JPanel();
204
205 JPanel component_selection_panel = new JPanel();
206 JLabel component_label = new JLabel();
207 Dictionary.registerText(component_label, "CDM.TranslationManager.Affected_Features");
208 features_list = new JList(getFeaturesList());
209 features_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
210
211 JPanel fragment_selection_panel = new JPanel();
212 JLabel fragment_label = new JLabel();
213 Dictionary.registerText(fragment_label, "CDM.TranslationManager.Assigned_Fragments");
214
215 fragment_table = new JTable(fragment_table_model);
216 fragment_table.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
217 fragment_table.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
218 fragment_table.setColumnSelectionAllowed(false);
219 fragment_table.setDefaultRenderer(Object.class, new FragmentTableRenderer());
220 fragment_table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
221
222 JScrollPane table_scroll = new JScrollPane(fragment_table);
223 table_scroll.getViewport().setBackground(Configuration.getColor("coloring.collection_tree_background", false));
224 table_scroll.setOpaque(true);
225
226 JPanel south_panel = new JPanel();
227
228 JPanel text_panel = new JPanel();
229
230 JPanel language_panel = new JPanel();
231 JLabel language_label = new JLabel();
232 Dictionary.registerText(language_label, "CDM.TranslationManager.Language");
233 language_combobox = new JComboBox(CollectionDesignManager.language_manager.getLanguageCodes().toArray());
234 language_combobox.setPreferredSize(COMPONENT_SIZE);
235 language_combobox.setRenderer(new LanguageListCellRenderer());
236 Dictionary.registerTooltip(language_combobox, "CDM.TranslationManager.Language_Tooltip");
237
238 JPanel default_text_panel = new JPanel();
239 JLabel default_label = new JLabel();
240 Dictionary.registerText(default_label, "CDM.TranslationManager.Default_Text");
241 default_area = new JTextArea();
242 default_area.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
243 default_area.setEditable(false);
244 default_area.setLineWrap(true);
245 default_area.setWrapStyleWord(true);
246
247 JPanel translated_text_panel = new JPanel();
248 JLabel translation_label = new JLabel();
249 Dictionary.registerText(translation_label, "CDM.TranslationManager.Translation");
250 translation_area = new JTextArea();
251 translation_area.setBackground(Configuration.getColor("coloring.disabled", false));
252 translation_area.setEnabled(false);
253 translation_area.setLineWrap(true);
254 translation_area.setWrapStyleWord(true);
255 Dictionary.registerTooltip(translation_area, "CDM.TranslationManager.Translation_Tooltip");
256
257 JPanel button_pane = new JPanel();
258 add_button = new GLIButton();
259 add_button.setEnabled(false);
260 add_button.setMnemonic(KeyEvent.VK_A);
261 Dictionary.registerBoth(add_button, "CDM.TranslationManager.Add", "CDM.TranslationManager.Add_Tooltip");
262 replace_button = new GLIButton();
263 replace_button.setEnabled(false);
264 replace_button.setMnemonic(KeyEvent.VK_C);
265 Dictionary.registerBoth(replace_button, "CDM.TranslationManager.Replace", "CDM.TranslationManager.Replace_Tooltip");
266 remove_button = new GLIButton();
267 remove_button.setEnabled(false);
268 remove_button.setMnemonic(KeyEvent.VK_R);
269 Dictionary.registerBoth(remove_button, "CDM.TranslationManager.Remove", "CDM.TranslationManager.Remove_Tooltip");
270
271 // Connection
272 add_button.addActionListener(new AddListener());
273 add_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
274 remove_button.addActionListener(new RemoveListener());
275 remove_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
276 replace_button.addActionListener(new ReplaceListener());
277 replace_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
278 language_combobox.addActionListener(new LanguageActionListener());
279 translation_area.getDocument().addDocumentListener(new TranslationDocumentListener());
280 features_list.addListSelectionListener(new FeaturesListSelectionListener());
281 fragment_table.getSelectionModel().addListSelectionListener(new FragmentListSelectionListener());
282
283 // Layout
284 header_panel.setBorder(BorderFactory.createEmptyBorder(0,0,5,0));
285 header_panel.setLayout(new BorderLayout());
286 header_panel.add(title_label, BorderLayout.NORTH);
287 header_panel.add(new JScrollPane(instruction_area), BorderLayout.CENTER);
288
289 component_selection_panel.setLayout(new BorderLayout());
290 component_selection_panel.add(component_label, BorderLayout.NORTH);
291 component_selection_panel.add(new JScrollPane(features_list), BorderLayout.CENTER);
292
293 fragment_selection_panel.setLayout(new BorderLayout());
294 fragment_selection_panel.add(fragment_label, BorderLayout.NORTH);
295 fragment_selection_panel.add(table_scroll, BorderLayout.CENTER);
296
297 selection_panel.setLayout(new GridLayout(2,1,0,5));
298 selection_panel.add(component_selection_panel);
299 selection_panel.add(fragment_selection_panel);
300
301 default_text_panel.setLayout(new BorderLayout());
302 default_text_panel.add(default_label, BorderLayout.NORTH);
303 default_text_panel.add(new JScrollPane(default_area), BorderLayout.CENTER);
304
305 translated_text_panel.setLayout(new BorderLayout());
306 translated_text_panel.add(translation_label, BorderLayout.NORTH);
307 translated_text_panel.add(new JScrollPane(translation_area), BorderLayout.CENTER);
308
309 text_panel.setLayout(new GridLayout(1,2,5,0));
310 text_panel.add(default_text_panel);
311 text_panel.add(translated_text_panel);
312
313 language_panel.setLayout(new BorderLayout(5,0));
314 language_panel.add(language_label, BorderLayout.WEST);
315 language_panel.add(language_combobox, BorderLayout.CENTER);
316
317 south_panel.setLayout(new BorderLayout());
318 south_panel.add(language_panel, BorderLayout.NORTH);
319 south_panel.add(text_panel, BorderLayout.CENTER);
320
321 center_panel.setLayout(new GridLayout(2,1,0,5));
322 center_panel.add(selection_panel);
323 center_panel.add(south_panel);
324
325 button_pane.setBorder(BorderFactory.createEmptyBorder(2,0,0,0));
326 button_pane.setLayout(new GridLayout(1,3));
327 button_pane.add(add_button);
328 button_pane.add(replace_button);
329 button_pane.add(remove_button);
330
331 setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
332 setLayout(new BorderLayout());
333 add(header_panel, BorderLayout.NORTH);
334 add(center_panel, BorderLayout.CENTER);
335 add(button_pane, BorderLayout.SOUTH);
336 }
337
338 public void destroy() {
339 }
340
341 public void gainFocus() {
342 // Rebuild the features model, just incase features have been added or removed.
343 if(features_list != null) {
344 Object selected_feature = features_list.getSelectedValue();
345 features_list.setListData(getFeaturesList());
346 if(selected_feature != null) {
347 features_list.setSelectedValue(selected_feature, true);
348 }
349 }
350 }
351
352 public void loseFocus() {
353 }
354
355
356 private class AddListener
357 implements ActionListener {
358
359 public void actionPerformed(ActionEvent event) {
360 ignore_event = true;
361 String translation_text = translation_area.getText();
362 if(translation_text.length() > 0) {
363 // If there is no current fragment table selection, but translation text is not an empty string, then this is a new fragment. Create new collection metadata, refresh the fragment table, then ensure that the new metadata is selected. Remember that it is the selected metadata to which changes will be applied.
364 BobTheMagicalComparableWrapper selected_feature = (BobTheMagicalComparableWrapper)features_list.getSelectedValue();
365 String language = (String) language_combobox.getSelectedItem();
366 CollectionMeta metadatum = new CollectionMeta(selected_feature.getName(), language);
367 metadatum.setValue(translation_text);
368 CollectionDesignManager.collectionmeta_manager.addMetadatum(metadatum);
369 fragment_table.clearSelection();
370 ArrayList metadata = CollectionDesignManager.collectionmeta_manager.getMetadata(selected_feature.getName());
371 fragment_table_model.setData(selected_feature.getName(), CollectionDesignManager.collectionmeta_manager.getLanguages(), metadata);
372 int index = fragment_table_model.getMetadataIndexByLanguage(language);
373 ///ystem.err.println("I want to select the row " + index + " out of " + metadata.size());
374 fragment_table.setRowSelectionInterval(index, index);
375 metadatum = null;
376 language = null;
377 selected_feature = null;
378 translation_text = null;
379 remove_button.setEnabled(true);
380 Gatherer.c_man.configurationChanged();
381 }
382 add_button.setEnabled(false);
383 replace_button.setEnabled(false);
384 ignore_event = false;
385 }
386 }
387
388 private class RemoveListener
389 implements ActionListener {
390
391 public void actionPerformed(ActionEvent event) {
392 ignore_event = true;
393 int index = -1;
394 if((index = fragment_table.getSelectedRow()) != -1) {
395 CollectionMeta metadata = fragment_table_model.getMetadata(index);
396 CollectionDesignManager.collectionmeta_manager.removeMetadata(metadata);
397 fragment_table_model.remove(index);
398 // If a remove occured then enable add
399 add_button.setEnabled(true);
400 Gatherer.c_man.configurationChanged();
401 }
402 // Either way disable replace and remove
403 replace_button.setEnabled(false);
404 remove_button.setEnabled(false);
405 ignore_event = false;
406 }
407 }
408
409 private class ReplaceListener
410 implements ActionListener {
411
412 public void actionPerformed(ActionEvent event) {
413 ignore_event = true;
414 int index = -1;
415 if((index = fragment_table.getSelectedRow()) != -1) {
416 String translation_text = translation_area.getText();
417 // Get the selected collection metadata
418 CollectionMeta metadata = fragment_table_model.getMetadata(index);
419 // Update the fragment metadata and ask the table to repaint the appropriate row
420 metadata.setValue(translation_text);
421 fragment_table_model.fireTableRowsUpdated(index, index);
422 metadata = null;
423 remove_button.setEnabled(true);
424 Gatherer.c_man.configurationChanged();
425 }
426 // Either way disable replace
427 add_button.setEnabled(false);
428 replace_button.setEnabled(false);
429 ignore_event = false;
430 }
431 }
432
433 private class FeaturesListSelectionListener
434 implements ListSelectionListener {
435 public void valueChanged(ListSelectionEvent event) {
436 if(!event.getValueIsAdjusting() && !ignore_event) {
437 ///ystem.err.println("FeaturesListSelectionListener");
438 if(!features_list.isSelectionEmpty()) {
439 // Determine the features name. Remember to remove our helpful source prefix (delimited by ':').
440 BobTheMagicalComparableWrapper selected_feature = (BobTheMagicalComparableWrapper)features_list.getSelectedValue();
441 // Retrieve the default language translation, or otherwise the first match, to be default text.
442 CollectionMeta default_metadata = CollectionDesignManager.collectionmeta_manager.getMetadatum(selected_feature.getName());
443 if(default_metadata != null) {
444 default_area.setText(default_metadata.getValue(CollectionMeta.TEXT));
445 }
446 // Update the text fragment table.
447 fragment_table.clearSelection();
448 fragment_table_model.setData(selected_feature.getName(), CollectionDesignManager.collectionmeta_manager.getLanguages(), CollectionDesignManager.collectionmeta_manager.getMetadata(selected_feature.getName()));
449 selected_feature = null;
450 // Now we check whatever value is currently selected in the combobox to see if it is valid to add.
451 String language_name = (String) language_combobox.getSelectedItem();
452 int index = fragment_table_model.getMetadataIndexByLanguage(language_name);
453 if(index != -1) {
454 CollectionMeta metadata = fragment_table_model.getMetadata(index);
455 fragment_table.setRowSelectionInterval(index, index);
456 if(metadata != null) {
457 translation_area.setText(metadata.getValue(CollectionMeta.TEXT));
458 }
459 else {
460 translation_area.setText("");
461 }
462 metadata = null;
463 }
464 else {
465 translation_area.setText("");
466 }
467 // Update and enable the text area
468 translation_area.setEnabled(true);
469 translation_area.setBackground(Configuration.getColor("coloring.editable_background", false));
470 }
471 else {
472 default_area.setText("");
473 fragment_table.clearSelection();
474 fragment_table_model.setData("", new TreeSet(), new ArrayList());
475 translation_area.setText("");
476 // Update and disable the text area
477 translation_area.setText("");
478 translation_area.setEnabled(false);
479 translation_area.setBackground(Configuration.getColor("coloring.disabled", false));
480 }
481 }
482 }
483 }
484
485 private class FragmentListSelectionListener
486 implements ListSelectionListener {
487 public void valueChanged(ListSelectionEvent event) {
488 if(!event.getValueIsAdjusting() && !ignore_event) {
489 ignore_event = true;
490 ///ystem.err.println("FragmentListSelectionListener");
491 int index = -1;
492 if((index = fragment_table.getSelectedRow()) != -1) {
493 // A row has been selected. Retrieve the collection metadata.
494 CollectionMeta metadatum = fragment_table_model.getMetadata(index);
495 if(metadatum != null) {
496 // Update the combobox to show the current language.
497 String language = metadatum.getLanguage();
498 ///ystem.err.println("Searching for the language: " + language_name);
499 for(int i = 0; i < language_combobox.getItemCount(); i++) {
500 if(language_combobox.getItemAt(i).toString().equals(language)) {
501 language_combobox.setSelectedIndex(i);
502 }
503 }
504 translation_area.setText(metadatum.getValue(CollectionMeta.TEXT));
505 remove_button.setEnabled(!metadatum.isDummy());
506 }
507 else {
508 remove_button.setEnabled(false);
509 }
510 }
511 else {
512 translation_area.setText("");
513 remove_button.setEnabled(false);
514 }
515 ignore_event = false;
516 }
517 }
518 }
519
520 private class FragmentTableModel
521 extends AbstractTableModel {
522
523 private ArrayList metadata;
524 private String feature_name;
525 private TreeSet languages;
526
527 FragmentTableModel(String feature_name, TreeSet languages, ArrayList metadata) {
528 this.feature_name = feature_name;
529 this.languages = languages;
530 this.metadata = metadata;
531 }
532 public int getRowCount() {
533 // The row count is equal to the maximum number of languages currently assigned in the collection.
534 return languages.size();
535 }
536 public int getColumnCount() {
537 return 2;
538 }
539
540 public String getColumnName(int column) {
541 if (column == 0) {
542 return Dictionary.get("CDM.TranslationManager.Language_Column");
543 }
544 if (column == 1) {
545 return Dictionary.get("CDM.TranslationManager.Fragment_Column");
546 }
547 return "";
548 }
549
550 /** Attempt to retrieve the metadata associated with a certain row - however not all rows actually have metadata with them (say the French row where no metadata has been set).
551 * @param row the row number as an int
552 * @return the CollectionMeta requested, which may be a dummy metadata pair
553 */
554 public CollectionMeta getMetadata(int row) {
555 // Determine what language we are talking about
556 String language = null;
557 Iterator language_iterator = languages.iterator();
558 int current_row = 0;
559 while(current_row != row && language_iterator.hasNext()) {
560 language_iterator.next();
561 current_row++;
562 }
563 if(current_row == row) {
564 language = (String) language_iterator.next();
565 return getMetadata(language);
566 }
567 language_iterator = null;
568 return null;
569 }
570
571 public CollectionMeta getMetadata(String language) {
572 // Attempt to retrieve metadata with that language
573 for(int i = 0; i < metadata.size(); i++) {
574 CollectionMeta metadatum = (CollectionMeta) metadata.get(i);
575 if(metadatum.getLanguage().equals(language)) {
576 return metadatum;
577 }
578 }
579 return new CollectionMeta(feature_name, language, true);
580 }
581
582 public int getMetadataIndexByLanguage(String language) {
583 ///ystem.err.println("Find the index for the language " + language + " (out of " + languages.size() + ")");
584 // First we have to iterate to the correct place
585 Iterator language_iterator = languages.iterator();
586 int current_row = 0;
587 while(language_iterator.hasNext()) {
588 String target = (String)language_iterator.next();
589 if(language.equals(target)) {
590 ///ystem.err.println("Matches " + target);
591 return current_row;
592 }
593 else {
594 ///ystem.err.println("Doesn't match " + target);
595 current_row++;
596 }
597 }
598 ///ystem.err.println("No such language in model: -1");
599 return -1;
600 }
601
602 public Object getValueAt(int row, int column) {
603 if(0 <= row && row < languages.size()) {
604 // First we have to iterate to the correct place
605 Iterator language_iterator = languages.iterator();
606 int current_row = 0;
607 while(current_row != row && language_iterator.hasNext()) {
608 language_iterator.next();
609 current_row++;
610 }
611 if(current_row == row) {
612 String language = (String)language_iterator.next();
613 if(column == 0) {
614 return CollectionDesignManager.language_manager.getLanguageName(language);
615 }
616 else {
617 CollectionMeta metadatum = getMetadata(language);
618 return metadatum.getValue(CollectionMeta.TEXT);
619 }
620 }
621 language_iterator = null;
622 }
623 return "#Error";
624 }
625
626 public void remove(int index) {
627 metadata.remove(index);
628 fireTableRowsDeleted(index, index);
629 }
630
631 public void setData(String feature_name, TreeSet languages, ArrayList metadata) {
632 this.feature_name = feature_name;
633 this.languages = languages;
634 this.metadata = metadata;
635 fireTableDataChanged();
636 }
637
638 public int size() {
639 return metadata.size();
640 }
641 }
642
643 private class FragmentTableRenderer
644 extends DefaultTableCellRenderer {
645 /** Retrieve the component used to rubberstamp the table based on the given parameters.
646 * @param table The <strong>JTable</strong> to rendered.
647 * @param value The <strong>Object</strong> whose representation will be shown in the table row.
648 * @param isSelected <i>true</i> iff the column/row is selected.
649 * @param hasFocus <i>true</i> iff the column/row is in focus.
650 * @param row An <i>int</i> specifying the target row.
651 * @param column An <i>int</i> specifying the target column.
652 * @see org.greenstone.gatherer.cdm.Language
653 */
654 public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
655 JComponent component = (JComponent) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
656 if(isSelected) {
657 component.setBackground(Configuration.getColor("coloring.workspace_heading_background", false));
658 }
659 else {
660 component.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
661 }
662 return component;
663 }
664 }
665
666 private class LanguageActionListener
667 implements ActionListener {
668 public void actionPerformed(ActionEvent event) {
669 if(!ignore_event) {
670 ignore_event = true;
671 ///ystem.err.println("LanguageActionListener");
672 // If the newly selected language value already exists in the fragment table, and that row isn't the one selected, then select that row the text area.
673 String language_name = language_combobox.getSelectedItem().toString();
674 int index = fragment_table_model.getMetadataIndexByLanguage(language_name);
675 if(index != -1) {
676 CollectionMeta metadata = fragment_table_model.getMetadata(index);
677 fragment_table.setRowSelectionInterval(index, index);
678 translation_area.setText(metadata.getValue(CollectionMeta.TEXT));
679 }
680 else {
681 fragment_table.clearSelection();
682 translation_area.setText("");
683 }
684 // Ready the text area
685 translation_area.setEnabled(true);
686 translation_area.setBackground(Configuration.getColor("coloring.editable_background", false));
687 ignore_event = false;
688 }
689 }
690 }
691
692 private class TranslationDocumentListener
693 implements DocumentListener {
694 /** Gives notification that an attribute or set of attributes changed. */
695 public void changedUpdate(DocumentEvent e) {
696 update();
697 }
698 /** Gives notification that there was an insert into the document. */
699 public void insertUpdate(DocumentEvent e) {
700 update();
701 }
702 /** Gives notification that a portion of the document has been removed. */
703 public void removeUpdate(DocumentEvent e) {
704 update();
705 }
706 /** The text area has changed in some way. Given that this can only happed when we are editing or adding a text fragment we better respond appropriately. */
707 private void update() {
708 String translation_text = translation_area.getText();
709 // Determine if add should be enabled. You can only add if the current text fragment doesn't already exist in the fragment table for the given language
710 String language = (String) language_combobox.getSelectedItem();
711 CollectionMeta metadatum = fragment_table_model.getMetadata(language);
712 add_button.setEnabled(translation_text.length() > 0 && (metadatum.isDummy() || fragment_table_model.getMetadataIndexByLanguage(language) == -1));
713 language = null;
714 // Determine if replace should be enabled. Replace is only enabled it the text fragment is different from the one in the current fragment table selection.
715 if(fragment_table.getSelectedRowCount() > 0) {
716 replace_button.setEnabled(!metadatum.isDummy() && !translation_text.equals(fragment_table.getValueAt(fragment_table.getSelectedRow(), 1)));
717 }
718 // Nothing selected, nothing to replace
719 else {
720 replace_button.setEnabled(false);
721 }
722 translation_text = null;
723 }
724 }
725 }
726}
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