source: trunk/gli/src/org/greenstone/gatherer/cdm/TranslationView.java@ 8231

Last change on this file since 8231 was 8231, checked in by mdewsnip, 20 years ago

Replaced all "Gatherer.config" with "Configuration".
  • Property svn:keywords set to Author Date Id Revision
File size: 28.0 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.Dictionary;
37import org.greenstone.gatherer.Gatherer;
38import org.greenstone.gatherer.cdm.CollectionConfiguration;
39import org.greenstone.gatherer.cdm.CollectionDesignManager;
40import org.greenstone.gatherer.cdm.CollectionMeta;
41import org.greenstone.gatherer.cdm.Control;
42import org.greenstone.gatherer.cdm.Index;
43import org.greenstone.gatherer.cdm.LanguageListCellRenderer;
44import org.greenstone.gatherer.cdm.SubcollectionIndex;
45import org.greenstone.gatherer.gui.GLIButton;
46
47/** 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.
48 * @author John Thompson, Greenstone Digital Library, University of Waikato
49 * @version 2.3
50 */
51public class TranslationView {
52
53 private Control controls;
54
55 static final private Dimension COMPONENT_SIZE = new Dimension(225,25);
56 static final private int LANGUAGE_WIDTH = 75;
57 static final private String GENERAL_STR = "General:";
58 static final private String INDEX_STR = "Index:";
59 static final private String PARTITION_STR = "Partitions:";
60
61 public TranslationView() {
62 Gatherer.println("TranslationView: Initialized.");
63 }
64
65 public void destroy() {
66 if(controls != null) {
67 controls.destroy();
68 controls = null;
69 }
70 }
71
72 public Control getControls() {
73 if(controls == null) {
74 controls = new TranslationControl();
75 }
76 return controls;
77 }
78
79 private Object[] getFeaturesList() {
80 ArrayList features_model = new ArrayList();
81
82 // Add the indexes
83 ArrayList indexes = CollectionDesignManager.index_manager.getIndexes();
84 int indexes_size = indexes.size();
85 for(int j = 0; j < indexes_size; j++) {
86 Object bob = new BobTheMagicalComparableWrapper(indexes.get(j));
87 if(!features_model.contains(bob)) {
88 features_model.add(bob);
89 }
90 }
91
92 // We also add subindexes.
93 ArrayList subindexes = CollectionDesignManager.subcollectionindex_manager.getSubcollectionIndexes();
94 int subindexes_size = subindexes.size();
95 for(int j = 0; j < subindexes_size; j++) {
96 Object bob = new BobTheMagicalComparableWrapper(subindexes.get(j));
97 if(!features_model.contains(bob)) {
98 features_model.add(bob);
99 }
100 }
101
102 // Finally we add any remaining metadata as general
103 ArrayList general_metadata = CollectionDesignManager.collectionmeta_manager.getMetadata();
104 for(int i = 0; i < general_metadata.size(); i++) {
105 CollectionMeta metadata = (CollectionMeta) general_metadata.get(i);
106 if(!metadata.isSpecial()) {
107 Object bob = new BobTheMagicalComparableWrapper(metadata.getName());
108 if(!features_model.contains(bob)) {
109 features_model.add(bob);
110 }
111 }
112 }
113
114 Collections.sort(features_model);
115
116 return features_model.toArray();
117 }
118
119 private class BobTheMagicalComparableWrapper
120 implements Comparable {
121 private Object content;
122 private String text;
123 BobTheMagicalComparableWrapper(Object content) {
124 this.content = content;
125 }
126 public int compareTo(Object object) {
127 if(object == null) {
128 object = "";
129 }
130 if(text == null) {
131 toString();
132 }
133 return text.compareTo(object.toString());
134 }
135
136 /** Equals is used by contains and since we want to prevent double up of metadata we compare differently than in compareTo. */
137 public boolean equals(Object object) {
138 return (object != null && content.toString().equals(((BobTheMagicalComparableWrapper)object).getContent().toString()));
139 }
140
141 public Object getContent() {
142 return content;
143 }
144
145 public String getName() {
146 if(content instanceof Index) {
147 return CollectionConfiguration.STOP_CHARACTER + ((Index)content).getID();
148 }
149 else if (content instanceof SubcollectionIndex) {
150 return CollectionConfiguration.STOP_CHARACTER + ((SubcollectionIndex)content).getID();
151 }
152 else {
153 return content.toString();
154 }
155 }
156
157 public String toString() {
158 if(text == null) {
159 String temp = content.toString();
160 if(temp.indexOf(CollectionConfiguration.SPACE_CHARACTER) != -1) {
161 temp = temp.substring(0, temp.indexOf(CollectionConfiguration.SPACE_CHARACTER));
162 }
163 if(content instanceof Index) {
164 text = INDEX_STR + temp;
165 }
166 else if(content instanceof SubcollectionIndex) {
167 text = PARTITION_STR + temp;
168 }
169 else {
170 text = GENERAL_STR + temp;
171 }
172 }
173 return text;
174 }
175 }
176
177 private class TranslationControl
178 extends JPanel
179 implements Control {
180
181 private boolean ignore_event = false;
182 private FragmentTableModel fragment_table_model;
183 private JButton add_button;
184 private JButton remove_button;
185 private JButton replace_button;
186 private JComboBox language_combobox;
187 private JList features_list;
188 private JTable fragment_table;
189 private JTextArea default_area;
190 private JTextArea translation_area;
191
192 TranslationControl() {
193 fragment_table_model = new FragmentTableModel("", new TreeSet(), new ArrayList());
194 // Creation
195 JPanel header_panel = new JPanel();
196 JLabel title_label = new JLabel();
197 title_label.setHorizontalAlignment(JLabel.CENTER);
198 Dictionary.registerText(title_label, "CDM.TranslationManager.Title");
199
200 JTextArea instruction_area = new JTextArea();
201 instruction_area.setEditable(false);
202 instruction_area.setLineWrap(true);
203 instruction_area.setRows(6);
204 instruction_area.setWrapStyleWord(true);
205 Dictionary.registerText(instruction_area, "CDM.TranslationManager.Instructions");
206
207 JPanel center_panel = new JPanel();
208
209 JPanel selection_panel = new JPanel();
210
211 JPanel component_selection_panel = new JPanel();
212 JLabel component_label = new JLabel();
213 Dictionary.registerText(component_label, "CDM.TranslationManager.Affected_Features");
214 features_list = new JList(getFeaturesList());
215 features_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
216
217 JPanel fragment_selection_panel = new JPanel();
218 JLabel fragment_label = new JLabel();
219 Dictionary.registerText(fragment_label, "CDM.TranslationManager.Assigned_Fragments");
220
221 fragment_table = new JTable(fragment_table_model);
222 fragment_table.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
223 fragment_table.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
224 fragment_table.setColumnSelectionAllowed(false);
225 fragment_table.setDefaultRenderer(Object.class, new FragmentTableRenderer());
226 fragment_table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
227
228 JScrollPane table_scroll = new JScrollPane(fragment_table);
229 table_scroll.getViewport().setBackground(Configuration.getColor("coloring.collection_tree_background", false));
230 table_scroll.setOpaque(true);
231
232 JPanel south_panel = new JPanel();
233
234 JPanel text_panel = new JPanel();
235
236 JPanel language_panel = new JPanel();
237 JLabel language_label = new JLabel();
238 Dictionary.registerText(language_label, "CDM.TranslationManager.Language");
239 language_combobox = new JComboBox(CollectionDesignManager.language_manager.getLanguageCodes().toArray());
240 language_combobox.setPreferredSize(COMPONENT_SIZE);
241 language_combobox.setRenderer(new LanguageListCellRenderer());
242 Dictionary.registerTooltip(language_combobox, "CDM.TranslationManager.Language_Tooltip");
243
244 JPanel default_text_panel = new JPanel();
245 JLabel default_label = new JLabel();
246 Dictionary.registerText(default_label, "CDM.TranslationManager.Default_Text");
247 default_area = new JTextArea();
248 default_area.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
249 default_area.setEditable(false);
250 default_area.setLineWrap(true);
251 default_area.setWrapStyleWord(true);
252
253 JPanel translated_text_panel = new JPanel();
254 JLabel translation_label = new JLabel();
255 Dictionary.registerText(translation_label, "CDM.TranslationManager.Translation");
256 translation_area = new JTextArea();
257 translation_area.setBackground(Configuration.getColor("coloring.disabled", false));
258 translation_area.setEnabled(false);
259 translation_area.setLineWrap(true);
260 translation_area.setWrapStyleWord(true);
261 Dictionary.registerTooltip(translation_area, "CDM.TranslationManager.Translation_Tooltip");
262
263 JPanel button_pane = new JPanel();
264 add_button = new GLIButton();
265 add_button.setEnabled(false);
266 add_button.setMnemonic(KeyEvent.VK_A);
267 Dictionary.registerBoth(add_button, "CDM.TranslationManager.Add", "CDM.TranslationManager.Add_Tooltip");
268 replace_button = new GLIButton();
269 replace_button.setEnabled(false);
270 replace_button.setMnemonic(KeyEvent.VK_C);
271 Dictionary.registerBoth(replace_button, "CDM.TranslationManager.Replace", "CDM.TranslationManager.Replace_Tooltip");
272 remove_button = new GLIButton();
273 remove_button.setEnabled(false);
274 remove_button.setMnemonic(KeyEvent.VK_R);
275 Dictionary.registerBoth(remove_button, "CDM.TranslationManager.Remove", "CDM.TranslationManager.Remove_Tooltip");
276
277 // Connection
278 add_button.addActionListener(new AddListener());
279 remove_button.addActionListener(new RemoveListener());
280 replace_button.addActionListener(new ReplaceListener());
281 language_combobox.addActionListener(new LanguageActionListener());
282 translation_area.getDocument().addDocumentListener(new TranslationDocumentListener());
283 features_list.addListSelectionListener(new FeaturesListSelectionListener());
284 fragment_table.getSelectionModel().addListSelectionListener(new FragmentListSelectionListener());
285
286 // Layout
287 header_panel.setBorder(BorderFactory.createEmptyBorder(0,0,5,0));
288 header_panel.setLayout(new BorderLayout());
289 header_panel.add(title_label, BorderLayout.NORTH);
290 header_panel.add(new JScrollPane(instruction_area), BorderLayout.CENTER);
291
292 component_selection_panel.setLayout(new BorderLayout());
293 component_selection_panel.add(component_label, BorderLayout.NORTH);
294 component_selection_panel.add(new JScrollPane(features_list), BorderLayout.CENTER);
295
296 fragment_selection_panel.setLayout(new BorderLayout());
297 fragment_selection_panel.add(fragment_label, BorderLayout.NORTH);
298 fragment_selection_panel.add(table_scroll, BorderLayout.CENTER);
299
300 selection_panel.setLayout(new GridLayout(2,1,0,5));
301 selection_panel.add(component_selection_panel);
302 selection_panel.add(fragment_selection_panel);
303
304 default_text_panel.setLayout(new BorderLayout());
305 default_text_panel.add(default_label, BorderLayout.NORTH);
306 default_text_panel.add(new JScrollPane(default_area), BorderLayout.CENTER);
307
308 translated_text_panel.setLayout(new BorderLayout());
309 translated_text_panel.add(translation_label, BorderLayout.NORTH);
310 translated_text_panel.add(new JScrollPane(translation_area), BorderLayout.CENTER);
311
312 text_panel.setLayout(new GridLayout(1,2,5,0));
313 text_panel.add(default_text_panel);
314 text_panel.add(translated_text_panel);
315
316 language_panel.setLayout(new BorderLayout(5,0));
317 language_panel.add(language_label, BorderLayout.WEST);
318 language_panel.add(language_combobox, BorderLayout.CENTER);
319
320 south_panel.setLayout(new BorderLayout());
321 south_panel.add(language_panel, BorderLayout.NORTH);
322 south_panel.add(text_panel, BorderLayout.CENTER);
323
324 center_panel.setLayout(new GridLayout(2,1,0,5));
325 center_panel.add(selection_panel);
326 center_panel.add(south_panel);
327
328 button_pane.setBorder(BorderFactory.createEmptyBorder(2,0,0,0));
329 button_pane.setLayout(new GridLayout(1,3));
330 button_pane.add(add_button);
331 button_pane.add(replace_button);
332 button_pane.add(remove_button);
333
334 setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
335 setLayout(new BorderLayout());
336 add(header_panel, BorderLayout.NORTH);
337 add(center_panel, BorderLayout.CENTER);
338 add(button_pane, BorderLayout.SOUTH);
339 }
340
341 public void destroy() {
342 }
343
344 public void gainFocus() {
345 // Rebuild the features model, just incase features have been added or removed.
346 if(features_list != null) {
347 Object selected_feature = features_list.getSelectedValue();
348 features_list.setListData(getFeaturesList());
349 if(selected_feature != null) {
350 features_list.setSelectedValue(selected_feature, true);
351 }
352 }
353 }
354
355 public void loseFocus() {
356 }
357
358
359 private class AddListener
360 implements ActionListener {
361
362 public void actionPerformed(ActionEvent event) {
363 ignore_event = true;
364 String translation_text = translation_area.getText();
365 if(translation_text.length() > 0) {
366 // 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.
367 BobTheMagicalComparableWrapper selected_feature = (BobTheMagicalComparableWrapper)features_list.getSelectedValue();
368 String language = (String) language_combobox.getSelectedItem();
369 CollectionMeta metadatum = new CollectionMeta(selected_feature.getName(), language);
370 metadatum.setValue(translation_text);
371 CollectionDesignManager.collectionmeta_manager.addMetadatum(metadatum);
372 fragment_table.clearSelection();
373 ArrayList metadata = CollectionDesignManager.collectionmeta_manager.getMetadata(selected_feature.getName());
374 fragment_table_model.setData(selected_feature.getName(), CollectionDesignManager.collectionmeta_manager.getLanguages(), metadata);
375 int index = fragment_table_model.getMetadataIndexByLanguage(language);
376 ///ystem.err.println("I want to select the row " + index + " out of " + metadata.size());
377 fragment_table.setRowSelectionInterval(index, index);
378 metadatum = null;
379 language = null;
380 selected_feature = null;
381 translation_text = null;
382 remove_button.setEnabled(true);
383 }
384 add_button.setEnabled(false);
385 replace_button.setEnabled(false);
386 ignore_event = false;
387 }
388 }
389
390 private class RemoveListener
391 implements ActionListener {
392
393 public void actionPerformed(ActionEvent event) {
394 ignore_event = true;
395 int index = -1;
396 if((index = fragment_table.getSelectedRow()) != -1) {
397 CollectionMeta metadata = fragment_table_model.getMetadata(index);
398 CollectionDesignManager.collectionmeta_manager.removeMetadata(metadata);
399 fragment_table_model.remove(index);
400 // If a remove occured then enable add
401 add_button.setEnabled(true);
402 }
403 // Either way disable replace and remove
404 replace_button.setEnabled(false);
405 remove_button.setEnabled(false);
406 ignore_event = false;
407 }
408 }
409
410 private class ReplaceListener
411 implements ActionListener {
412
413 public void actionPerformed(ActionEvent event) {
414 ignore_event = true;
415 int index = -1;
416 if((index = fragment_table.getSelectedRow()) != -1) {
417 String translation_text = translation_area.getText();
418 // Get the selected collection metadata
419 CollectionMeta metadata = fragment_table_model.getMetadata(index);
420 // Update the fragment metadata and ask the table to repaint the appropriate row
421 metadata.setValue(translation_text);
422 fragment_table_model.fireTableRowsUpdated(index, index);
423 metadata = null;
424 remove_button.setEnabled(true);
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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