Java > Open Source Codes > org > opencms > workplace > commons > CmsHistoryList


1 /*
2  * File : $Source: /usr/local/cvs/opencms/src/org/opencms/workplace/commons/CmsHistoryList.java,v $
3  * Date : $Date: 2006/10/09 09:44:09 $
4  * Version: $Revision: 1.6 $
5  *
6  * This library is part of OpenCms -
7  * the Open Source Content Mananagement System
8  *
9  * Copyright (c) 2005 Alkacon Software GmbH (http://www.alkacon.com)
10  *
11  * This library is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU Lesser General Public
13  * License as published by the Free Software Foundation; either
14  * version 2.1 of the License, or (at your option) any later version.
15  *
16  * This library is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  * Lesser General Public License for more details.
20  *
21  * For further information about Alkacon Software GmbH, please see the
22  * company website: http://www.alkacon.com
23  *
24  * For further information about OpenCms, please see the
25  * project website: http://www.opencms.org
26  *
27  * You should have received a copy of the GNU Lesser General Public
28  * License along with this library; if not, write to the Free Software
29  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30  */
31
32 package org.opencms.workplace.commons;
33
34 import org.opencms.file.CmsBackupProject;
35 import org.opencms.file.CmsBackupResource;
36 import org.opencms.file.CmsBackupResourceHandler;
37 import org.opencms.file.CmsFile;
38 import org.opencms.file.CmsObject;
39 import org.opencms.file.CmsResource;
40 import org.opencms.file.CmsResourceFilter;
41 import org.opencms.jsp.CmsJspActionElement;
42 import org.opencms.main.CmsException;
43 import org.opencms.main.CmsLog;
44 import org.opencms.main.CmsRuntimeException;
45 import org.opencms.workplace.list.A_CmsListDialog;
46 import org.opencms.workplace.list.CmsListColumnAlignEnum;
47 import org.opencms.workplace.list.CmsListColumnDefinition;
48 import org.opencms.workplace.list.CmsListDirectAction;
49 import org.opencms.workplace.list.CmsListItem;
50 import org.opencms.workplace.list.CmsListItemActionIconComparator;
51 import org.opencms.workplace.list.CmsListItemDetails;
52 import org.opencms.workplace.list.CmsListItemDetailsFormatter;
53 import org.opencms.workplace.list.CmsListItemSelectionAction;
54 import org.opencms.workplace.list.CmsListMetadata;
55 import org.opencms.workplace.list.CmsListOrderEnum;
56 import org.opencms.workplace.list.CmsListRadioMultiAction;
57 import org.opencms.workplace.list.CmsListResourceIconAction;
58 import org.opencms.workplace.tools.CmsToolDialog;
59
60 import java.io.IOException ;
61 import java.util.ArrayList ;
62 import java.util.Arrays ;
63 import java.util.HashMap ;
64 import java.util.Iterator ;
65 import java.util.List ;
66 import java.util.Map ;
67
68 import javax.servlet.ServletException ;
69 import javax.servlet.http.HttpServletRequest ;
70 import javax.servlet.http.HttpServletResponse ;
71 import javax.servlet.jsp.PageContext ;
72
73 import org.apache.commons.logging.Log;
74
75 /**
76  * Displays the history of a file.<p>
77  *
78  * @author Jan Baudisch
79  * @author Armen Markarian
80  *
81  * @version $Revision: 1.6 $
82  *
83  * @since 6.0.2
84  */
85 public class CmsHistoryList extends A_CmsListDialog {
86
87     /**
88      * Wrapper class for the version which is either an integer or the string "offline".<p>
89      */
90     public static class CmsVersionWrapper implements Comparable {
91         
92         private Object m_version;
93         
94         /**
95          * Constructs a new version wrapper.<p>
96          * @param version the version of the file
97          */
98         public CmsVersionWrapper(Object version) {
99             
100             m_version = version;
101         }
102         
103         /**
104          *
105          * @see java.lang.Comparable#compareTo(java.lang.Object)
106          */
107         public int compareTo(Object o) {
108             
109             CmsVersionWrapper version = (CmsVersionWrapper)o;
110             if (String .class.equals(version.getVersion().getClass()) && Integer .class.equals(getVersion().getClass())) {
111                 return -1;
112             } else if (Integer .class.equals(version.getVersion().getClass()) && String .class.equals(getVersion().getClass())) {
113                 return 1;
114             } else {
115                 return ((Comparable )m_version).compareTo(version.getVersion());
116             }
117         }
118         
119         /**
120          * Returns the version of the file.<p>
121          * @return the version of the file
122          */
123         public Object getVersion() {
124             
125             return m_version;
126         }
127         
128         /**
129          *
130          * @see java.lang.Object#toString()
131          */
132         public String toString() {
133             
134             return m_version.toString();
135         }
136         
137     }
138     
139     /** list item detail id constant. */
140     public static final String GUI_LIST_HISTORY_DETAIL_PROJECT_0 = "lhdp";
141     /** List action export. */
142     public static final String LIST_ACTION_RESTORE = "ar";
143     /** list action id constant. */
144     public static final String LIST_ACTION_VIEW = "av";
145     
146     /** list column id constant. */
147     public static final String LIST_COLUMN_BACKUP_TAG = "cbt";
148
149     /** list column id constant. */
150     public static final String LIST_COLUMN_DATE_LAST_MODIFIED = "cm";
151
152     /** list column id constant. */
153     public static final String LIST_COLUMN_DATE_PUBLISHED = "cdp";
154
155     /** list column id constant. */
156     public static final String LIST_COLUMN_FILE_TYPE = "ct";
157
158     /** list column id constant. */
159     public static final String LIST_COLUMN_ICON = "ci";
160     
161     /** list column id constant. */
162     public static final String LIST_COLUMN_RESOURCE_PATH = "crp";
163
164     /** List column delete. */
165     public static final String LIST_COLUMN_RESTORE = "cr";
166
167     /** list column id constant. */
168     public static final String LIST_COLUMN_SEL1 = "cs1";
169     
170     /** list column id constant. */
171     public static final String LIST_COLUMN_SEL2 = "cs2";
172
173     /** list column id constant. */
174     public static final String LIST_COLUMN_SIZE = "cs";
175
176     /** List column export. */
177     public static final String LIST_COLUMN_USER = "cu";
178     
179     /** list column id constant. */
180     public static final String LIST_COLUMN_VERSION = "cv";
181
182     /** List column export. */
183     public static final String LIST_COLUMN_VIEW = "cp";
184
185     /** list id constant. */
186     public static final String LIST_ID = "him";
187     
188     /** list multi action id constant. */
189     private static final String LIST_MACTION_COMPARE = "mc";
190
191     /** list independent action id constant. */
192     public static final String LIST_RACTION_SEL1 = "rs1";
193
194     /** list independent action id constant. */
195     public static final String LIST_RACTION_SEL2 = "rs2";
196
197     /** The log object for this class. */
198     private static final Log LOG = CmsLog.getLog(CmsHistoryList.class);
199
200     /** constant for the offline project.<p> */
201     public static final String OFFLINE_PROJECT = "offline";
202
203     /** parameter for the path of the first resource. */
204     public static final String PARAM_PATH_1 = "path1";
205
206     /** parameter for the path of the second resource. */
207     public static final String PARAM_PATH_2 = "path2";
208
209     /** parameter for the version of the first resource. */
210     public static final String PARAM_TAGID_1 = "tagid1";
211
212     /** parameter for the tag id of the second resource. */
213     public static final String PARAM_TAGID_2 = "tagid2";
214
215     /** parameter for the version of the first resource. */
216     public static final String PARAM_VERSION_1 = "version1";
217     
218     /** parameter for the version of the second resource. */
219     public static final String PARAM_VERSION_2 = "version2";
220     
221     /** Path to the list buttons. */
222     public static final String PATH_BUTTONS = "buttons/";
223     
224     /**
225      * Public constructor.<p>
226      *
227      * @param jsp an initialized JSP action element
228      */
229     public CmsHistoryList(CmsJspActionElement jsp) {
230
231         super(jsp, LIST_ID, Messages.get().container(Messages.GUI_HISTORY_0),
232             LIST_COLUMN_VERSION, CmsListOrderEnum.ORDER_DESCENDING, null);
233     }
234
235     /**
236      * Public constructor with JSP variables.<p>
237      *
238      * @param context the JSP page context
239      * @param req the JSP request
240      * @param res the JSP response
241      */
242     public CmsHistoryList(PageContext context, HttpServletRequest req, HttpServletResponse res) {
243
244         this(new CmsJspActionElement(context, req, res));
245     }
246
247     /**
248      * Returns the link to a backup file.<p>
249      *
250      * @param resourcePath the path of the file
251      * @param versionId the version of the file
252      * @return the link to a backup file
253      */
254     public static String getBackupLink(String resourcePath, String versionId) {
255         StringBuffer link = new StringBuffer ();
256         link.append(CmsBackupResourceHandler.BACKUP_HANDLER);
257         link.append(resourcePath);
258         link.append('?');
259         link.append(CmsBackupResourceHandler.PARAM_VERSIONID);
260         link.append('=');
261         link.append(versionId);
262         return link.toString();
263     }
264     
265     /**
266      * Returns the user last modified of a backup resource.<p>
267      *
268      * @param cms the cms object
269      * @param file the file to use
270      * @return the user last modified of a backup resource
271      * @throws CmsException if something goes wrong
272      */
273     public static String readUserNameOfBackupFile(CmsObject cms, CmsFile file) throws CmsException {
274         String userName;
275         try {
276             userName = cms.readUser(file.getUserLastModified()).getName();
277         } catch (CmsException e) {
278             if (file instanceof CmsBackupResource) {
279                 userName = ((CmsBackupResource)file).getLastModifiedByName();
280             } else {
281                 throw e;
282             }
283         }
284         return userName;
285     }
286     
287     /**
288      * @see org.opencms.workplace.list.A_CmsListDialog#defaultActionHtmlStart()
289      */
290     protected String defaultActionHtmlStart() {
291
292         return getList().listJs(getLocale()) + dialogContentStart(getParamTitle());
293     }
294
295     /**
296      * @see org.opencms.workplace.list.A_CmsListDialog#executeListMultiActions()
297      */
298     public void executeListMultiActions() throws IOException , ServletException {
299
300         if (getParamListAction().equals(LIST_MACTION_COMPARE)) {
301             CmsListItem item1 = (CmsListItem)getSelectedItems().get(0);
302             CmsListItem item2 = (CmsListItem)getSelectedItems().get(1);
303             Map params = new HashMap ();
304             if (((Comparable )item2.get(LIST_COLUMN_VERSION)).compareTo(item1.get(LIST_COLUMN_VERSION)) > 0) {
305                 params.put(PARAM_TAGID_1, item1.getId());
306                 params.put(PARAM_TAGID_2, item2.getId());
307                 params.put(PARAM_VERSION_1, item1.get(LIST_COLUMN_VERSION));
308                 params.put(PARAM_VERSION_2, item2.get(LIST_COLUMN_VERSION));
309                 params.put(PARAM_PATH_1, item1.get(LIST_COLUMN_RESOURCE_PATH));
310                 params.put(PARAM_PATH_2, item2.get(LIST_COLUMN_RESOURCE_PATH));
311             } else {
312                 params.put(PARAM_TAGID_1, item2.getId());
313                 params.put(PARAM_TAGID_2, item1.getId());
314                 params.put(PARAM_VERSION_1, item2.get(LIST_COLUMN_VERSION));
315                 params.put(PARAM_VERSION_2, item1.get(LIST_COLUMN_VERSION));
316                 params.put(PARAM_PATH_1, item2.get(LIST_COLUMN_RESOURCE_PATH));
317                 params.put(PARAM_PATH_2, item1.get(LIST_COLUMN_RESOURCE_PATH));
318             }
319             params.put(PARAM_ACTION, DIALOG_INITIAL);
320             params.put(PARAM_STYLE, CmsToolDialog.STYLE_NEW);
321             params.put(PARAM_RESOURCE, getParamResource());
322             getToolManager().jspForwardTool(this, "/history/comparison", params);
323         }
324         refreshList();
325     }
326     
327     /**
328      * @see org.opencms.workplace.list.A_CmsListDialog#executeListSingleActions()
329      */
330     public void executeListSingleActions() throws IOException , ServletException {
331
332         if (getParamListAction().equals(LIST_ACTION_RESTORE)) {
333             try {
334                 performRestoreOperation();
335                 Map params = new HashMap ();
336                 params.put(PARAM_ACTION, DIALOG_INITIAL);
337                 getToolManager().jspForwardPage(this, "/system/workplace/views/explorer/explorer_files.jsp", params);
338             } catch (CmsException e) {
339                 LOG.error(e.getMessage(), e);
340                 throw new CmsRuntimeException(e.getMessageContainer());
341             }
342         }
343         refreshList();
344     }
345
346     /**
347      * Fills details of the project into the given item. <p>
348      *
349      * @param item the list item to fill
350      *
351      * @param detailId the id for the detail to fill
352      *
353      */
354     private void fillDetailProject(CmsListItem item, String detailId) {
355
356         StringBuffer html = new StringBuffer ();
357
358         // search /read for the corresponding backup project: it's tag id transmitted from getListItems()
359 // in a hidden column
360 Object tagIdObj = item.get(LIST_COLUMN_BACKUP_TAG);
361         if (tagIdObj != null) {
362             // it is null if the offline version with changes is shown here: now backup project available then
363
364             int tagId = ((Integer )tagIdObj).intValue();
365             try {
366                 CmsBackupProject project = getCms().readBackupProject(tagId);
367                 // output of project info
368 html.append(project.getName()).append("<br/>").append(project.getDescription());
369             } catch (CmsException cmse) {
370                 html.append(cmse.getMessageContainer().key(this.getLocale()));
371             }
372         }
373         item.set(detailId, html.toString());
374     }
375
376     /**
377      * @see org.opencms.workplace.list.A_CmsListDialog#fillDetails(java.lang.String)
378      */
379     protected void fillDetails(String detailId) {
380
381         // get content
382 List items = getList().getAllContent();
383         Iterator itItems = items.iterator();
384         CmsListItem item;
385         while (itItems.hasNext()) {
386             item = (CmsListItem)itItems.next();
387             if (detailId.equals(GUI_LIST_HISTORY_DETAIL_PROJECT_0)) {
388                 fillDetailProject(item, detailId);
389             }
390         }
391     }
392
393     /**
394      * @see org.opencms.workplace.list.A_CmsListDialog#getListItems()
395      */
396     protected List getListItems() throws CmsException {
397         
398         List result = new ArrayList ();
399         List backupFileHeaders = getCms().readAllBackupFileHeaders(getParamResource());
400         Iterator i = backupFileHeaders.iterator();
401         while (i.hasNext()) {
402             CmsBackupResource file = (CmsBackupResource)i.next();
403             // the tagId for the Backup project
404 int tagId = file.getTagId();
405             //String version = .toString();
406 CmsBackupProject project = getCms().readBackupProject(tagId);
407             String versionId = new Integer (project.getVersionId()).toString();
408             String filetype = String.valueOf(file.getTypeId());
409             String dateLastModified = getMessages().getDateTime(file.getDateLastModified());
410             String datePublished = getMessages().getDateTime(project.getPublishingDate());
411             CmsListItem item = getList().newItem(versionId);
412             //version
413 item.set(LIST_COLUMN_VERSION, new CmsVersionWrapper(new Integer (file.getVersionId())));
414             // filename
415 item.set(LIST_COLUMN_DATE_PUBLISHED, datePublished);
416             // nicename
417 item.set(LIST_COLUMN_DATE_LAST_MODIFIED, dateLastModified);
418             // group
419 item.set(LIST_COLUMN_FILE_TYPE, filetype);
420             // user
421 item.set(LIST_COLUMN_USER, readUserNameOfBackupFile(getCms(), file));
422             // path
423 item.set(LIST_COLUMN_RESOURCE_PATH, file.getRootPath());
424             // size
425 item.set(LIST_COLUMN_SIZE, new Integer (file.getLength()).toString());
426             result.add(item);
427             // invisible backup tag (for reading backup project in fillDetails)
428 item.set(LIST_COLUMN_BACKUP_TAG, new Integer (tagId));
429         }
430         CmsFile offlineFile = getCms().readFile(getParamResource(), CmsResourceFilter.IGNORE_EXPIRATION);
431         
432         // display offline version, if state is not unchanged
433 if (offlineFile.getState() != CmsResource.STATE_UNCHANGED) {
434             CmsListItem item = getList().newItem("-1");
435             //version
436 item.set(LIST_COLUMN_VERSION, new CmsVersionWrapper(OFFLINE_PROJECT));
437             // filename
438 item.set(LIST_COLUMN_DATE_PUBLISHED, "-");
439             // nicename
440 item.set(LIST_COLUMN_DATE_LAST_MODIFIED, getMessages().getDateTime(offlineFile.getDateLastModified()));
441             // group
442 item.set(LIST_COLUMN_FILE_TYPE, String.valueOf(offlineFile.getTypeId()));
443             // user
444 item.set(LIST_COLUMN_USER, getCms().readUser(offlineFile.getUserLastModified()).getName());
445             // size
446 item.set(LIST_COLUMN_SIZE, new Integer (offlineFile.getLength()).toString());
447             // path
448 item.set(LIST_COLUMN_RESOURCE_PATH, offlineFile.getRootPath());
449             result.add(item);
450         }
451         getList().getMetadata().getColumnDefinition(LIST_COLUMN_SEL1).setVisible(result.size() > 1);
452         getList().getMetadata().getColumnDefinition(LIST_COLUMN_SEL2).setVisible(result.size() > 1);
453         return result;
454     }
455
456     /**
457      * Restores a backed up resource version.<p>
458      *
459      * @throws CmsException if something goes wrong
460      */
461     protected void performRestoreOperation() throws CmsException {
462
463         int tagId = Integer.parseInt(((CmsListItem)getSelectedItems().get(0)).getId());
464         String resourcename = getCms().getSitePath(getCms().readResource(getParamResource()));
465         checkLock(getParamResource());
466         getCms().restoreResourceBackup(resourcename, tagId);
467     }
468     
469     /**
470      * @see org.opencms.workplace.list.A_CmsListDialog#setColumns(org.opencms.workplace.list.CmsListMetadata)
471      */
472     protected void setColumns(CmsListMetadata metadata) {
473         
474         CmsListColumnDefinition previewCol = new CmsListColumnDefinition(LIST_COLUMN_VIEW);
475         previewCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_VIEW_0));
476         previewCol.setWidth("20");
477         previewCol.setVisible(false);
478         previewCol.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
479         previewCol.setSorteable(false);
480         
481         // create column for icon
482 CmsListColumnDefinition restoreCol = new CmsListColumnDefinition(LIST_COLUMN_RESTORE);
483         restoreCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_RESTORE_0));
484         restoreCol.setWidth("20");
485         restoreCol.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
486         restoreCol.setListItemComparator(new CmsListItemActionIconComparator());
487         restoreCol.setSorteable(false);
488
489         // add icon action
490 CmsListDirectAction restoreAction = new CmsListDirectAction(LIST_ACTION_RESTORE) {
491             // do not show icon for offline version
492 public boolean isVisible() {
493                 return !"-1".equals(getItem().getId().toString());
494             }
495         };
496         restoreAction.setName(Messages.get().container(Messages.GUI_HISTORY_RESTORE_VERSION_0));
497         restoreAction.setIconPath("tools/ex_history/buttons/restore.png");
498         restoreAction.setConfirmationMessage(Messages.get().container(Messages.GUI_HISTORY_CONFIRMATION_0));
499         restoreAction.setEnabled(true);
500         
501         restoreCol.addDirectAction(restoreAction);
502         // add it to the list definition
503 metadata.addColumn(restoreCol);
504         
505         // create column for icon
506 CmsListColumnDefinition iconCol = new CmsListColumnDefinition(LIST_COLUMN_ICON);
507         iconCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_VIEW_0));
508         iconCol.setWidth("20");
509         iconCol.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
510         iconCol.setListItemComparator(new CmsListItemActionIconComparator());
511
512         // add icon action
513 CmsListDirectAction fileAction = new CmsListResourceIconAction(LIST_ACTION_VIEW, LIST_COLUMN_FILE_TYPE, getCms()) {
514             public String defButtonHtml(CmsJspActionElement jsp, String id, String helpId, String name, String helpText,
515                 boolean enabled, String iconPath, String confirmationMessage, String onClick, boolean singleHelp) {
516                 StringBuffer jsCode = new StringBuffer (512);
517                 jsCode.append("window.open('");
518                 String versionId = getItem().getId().toString();
519                 if ("-1".equals(versionId)) {
520                     // offline version
521 jsCode.append(jsp.link(jsp.getRequestContext().removeSiteRoot(getItem().get(LIST_COLUMN_RESOURCE_PATH).toString())));
522                 } else {
523                     jsCode.append(jsp.link(getBackupLink(getItem().get(LIST_COLUMN_RESOURCE_PATH).toString(),
524                         versionId)));
525                 }
526                 jsCode.append("','version','scrollbars=yes, resizable=yes, width=800, height=600')");
527                 return super.defButtonHtml(jsp, id, helpId, name, helpText, enabled,
528                     iconPath, confirmationMessage, jsCode.toString(), singleHelp);
529             }
530         };
531         fileAction.setName(Messages.get().container(Messages.GUI_HISTORY_PREVIEW_0));
532         fileAction.setEnabled(true);
533         iconCol.addDirectAction(fileAction);
534         // add it to the list definition
535 metadata.addColumn(iconCol);
536         iconCol.setPrintable(false);
537         
538         // add column for version
539 CmsListColumnDefinition versionCol = new CmsListColumnDefinition(LIST_COLUMN_VERSION);
540         versionCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_VERSION_0));
541         versionCol.setWidth("5%");
542         versionCol.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
543         metadata.addColumn(versionCol);
544
545         // add column for file type
546 CmsListColumnDefinition groupCol = new CmsListColumnDefinition(LIST_COLUMN_FILE_TYPE);
547         groupCol.setVisible(false);
548         metadata.addColumn(groupCol);
549         
550         // add column for resource path
551 CmsListColumnDefinition pathCol = new CmsListColumnDefinition(LIST_COLUMN_RESOURCE_PATH);
552         pathCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_RESOURCE_PATH_0));
553         pathCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
554         pathCol.setWidth("20%");
555         metadata.addColumn(pathCol);
556         
557         // add column for date published
558 CmsListColumnDefinition datePublishedCol = new CmsListColumnDefinition(LIST_COLUMN_DATE_PUBLISHED);
559         datePublishedCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_DATE_PUBLISHED_0));
560         datePublishedCol.setWidth("20%");
561         datePublishedCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
562         metadata.addColumn(datePublishedCol);
563
564         // add column for date last modified
565 CmsListColumnDefinition nicenameCol = new CmsListColumnDefinition(LIST_COLUMN_DATE_LAST_MODIFIED);
566         nicenameCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_DATE_LAST_MODIFIED_0));
567         nicenameCol.setWidth("20%");
568         nicenameCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
569         metadata.addColumn(nicenameCol);
570         
571         // add column for user modified
572 CmsListColumnDefinition userCol = new CmsListColumnDefinition(LIST_COLUMN_USER);
573         userCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_USER_0));
574         userCol.setWidth("12%");
575         userCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
576         metadata.addColumn(userCol);
577         
578         // add column for date last modified
579 CmsListColumnDefinition sizeCol = new CmsListColumnDefinition(LIST_COLUMN_SIZE);
580         sizeCol.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_SIZE_0));
581         sizeCol.setWidth("13%");
582         sizeCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
583         metadata.addColumn(sizeCol);
584
585         // create column for radio button 1
586 CmsListColumnDefinition radioSel1Col = new CmsListColumnDefinition(LIST_COLUMN_SEL1);
587         radioSel1Col.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_VERSION1_0));
588         radioSel1Col.setWidth("20");
589         radioSel1Col.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
590         radioSel1Col.setSorteable(false);
591         // add item selection action
592 CmsListItemSelectionAction sel1Action = new CmsListItemSelectionAction(LIST_RACTION_SEL1, LIST_MACTION_COMPARE);
593         sel1Action.setName(Messages.get().container(Messages.GUI_HISTORY_FIRST_VERSION_0));
594         sel1Action.setEnabled(true);
595         radioSel1Col.addDirectAction(sel1Action);
596         metadata.addColumn(radioSel1Col);
597
598         // create column for radio button 2
599 CmsListColumnDefinition radioSel2Col = new CmsListColumnDefinition(LIST_COLUMN_SEL2);
600         radioSel2Col.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_VERSION2_0));
601         radioSel2Col.setWidth("20");
602         radioSel2Col.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
603         radioSel2Col.setSorteable(false);
604         
605         // add item selection action
606 CmsListItemSelectionAction sel2Action = new CmsListItemSelectionAction(LIST_RACTION_SEL2, LIST_MACTION_COMPARE);
607         sel2Action.setName(Messages.get().container(Messages.GUI_HISTORY_SECOND_VERSION_0));
608         sel2Action.setEnabled(true);
609         radioSel2Col.addDirectAction(sel2Action);
610         metadata.addColumn(radioSel2Col);
611
612         // create invisible backup tag column to allow fillDetails to be able to read the proper
613 // backup project
614 CmsListColumnDefinition backupTagCol = new CmsListColumnDefinition(LIST_COLUMN_BACKUP_TAG);
615         //radioSel2Col.setName(Messages.get().container(Messages.GUI_HISTORY_COLS_VERSION2_0));
616 //radioSel2Col.setWidth("20");
617 //radioSel2Col.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
618 backupTagCol.setSorteable(false);
619         backupTagCol.setVisible(false);
620         metadata.addColumn(backupTagCol);
621     }
622     
623     /**
624      * @see org.opencms.workplace.list.A_CmsListDialog#setIndependentActions(org.opencms.workplace.list.CmsListMetadata)
625      */
626     protected void setIndependentActions(CmsListMetadata metadata) {
627         // add index source details
628 CmsListItemDetails indexDetails = new CmsListItemDetails(GUI_LIST_HISTORY_DETAIL_PROJECT_0);
629         indexDetails.setAtColumn(LIST_COLUMN_VERSION);
630         indexDetails.setVisible(false);
631         indexDetails.setShowActionName(Messages.get().container(Messages.GUI_LIST_HISTORY_DETAIL_PROJECT_NAME_SHOW_0));
632         indexDetails.setShowActionHelpText(Messages.get().container(
633             Messages.GUI_LIST_HISTORY_DETAIL_PROJECT_SHOW_HELP_0));
634         indexDetails.setHideActionName(Messages.get().container(Messages.GUI_LIST_HISTORY_DETAIL_PROJECT_NAME_HIDE_0));
635         indexDetails.setHideActionHelpText(Messages.get().container(
636             Messages.GUI_LIST_HISTORY_DETAIL_PROJECT_HIDE_HELP_0));
637         indexDetails.setName(Messages.get().container(Messages.GUI_LIST_HISTORY_DETAIL_PROJECT_INFO_0));
638         indexDetails.setFormatter(new CmsListItemDetailsFormatter(Messages.get().container(
639             Messages.GUI_LIST_HISTORY_DETAIL_PROJECT_INFO_0)));
640         metadata.addItemDetails(indexDetails);
641     }
642
643     /**
644      * @see org.opencms.workplace.list.A_CmsListDialog#setMultiActions(org.opencms.workplace.list.CmsListMetadata)
645      */
646     protected void setMultiActions(CmsListMetadata metadata) {
647
648         // add compare action
649 CmsListRadioMultiAction compareAction = new CmsListRadioMultiAction(
650             LIST_MACTION_COMPARE,
651             Arrays.asList(new String [] {LIST_RACTION_SEL1, LIST_RACTION_SEL2}));
652         compareAction.setName(Messages.get().container(Messages.GUI_HISTORY_COMPARE_0));
653         compareAction.setIconPath("tools/ex_history/buttons/compare.png");
654         metadata.addMultiAction(compareAction);
655     }
656 }

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