ILIAS  Release_4_0_x_branch Revision 61816
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class.ilCourseArchivesGUI.php
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1 <?php
2 /*
3  +-----------------------------------------------------------------------------+
4  | ILIAS open source |
5  +-----------------------------------------------------------------------------+
6  | Copyright (c) 1998-2001 ILIAS open source, University of Cologne |
7  | |
8  | This program is free software; you can redistribute it and/or |
9  | modify it under the terms of the GNU General Public License |
10  | as published by the Free Software Foundation; either version 2 |
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13  | This program is distributed in the hope that it will be useful, |
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15  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16  | GNU General Public License for more details. |
17  | |
18  | You should have received a copy of the GNU General Public License |
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20  | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21  +-----------------------------------------------------------------------------+
22 */
23 
35 class ilCourseArchivesGUI
36 {
37  var $container_obj;
38  var $course_obj;
39 
40  var $tpl;
41  var $ctrl;
42  var $lng;
43  var $tabs_gui;
44 
49  function ilCourseArchivesGUI(&$content_gui)
50  {
51  global $tpl,$ilCtrl,$lng,$ilObjDataCache,$ilTabs;
52 
53  $this->tpl =& $tpl;
54  $this->ctrl =& $ilCtrl;
55  $this->lng =& $lng;
56  $this->tabs_gui =& $ilTabs;
57 
58  $this->content_gui =& $content_gui;
59  $this->content_obj =& $this->content_gui->object;
60 
61  $this->__initCourseObject();
62  }
63 
64 
65 
66  function &executeCommand()
67  {
68  switch($this->ctrl->getNextClass($this))
69  {
70  case 'ilobjectcopygui':
71  include_once './Services/Object/classes/class.ilObjectCopyGUI.php';
72  $cp = new ilObjectCopyGUI($this);
73  $cp->setType('crs');
74  $this->ctrl->forwardCommand($cp);
75  break;
76 
77  default:
78  $cmd = $this->ctrl->getCmd();
79  if (!$cmd = $this->ctrl->getCmd())
80  {
81  $cmd = "view";
82  }
83  $this->$cmd();
84  break;
85  }
86  }
87 
88  function view()
89  {
90  global $ilAccess,$ilErr;
91 
92  // MINIMUM ACCESS LEVEL = 'write'
93  if(!$ilAccess->checkAccess("read",'',$this->course_obj->getRefId()))
94  {
95  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
96  }
97 
98 
99  $this->is_tutor = $ilAccess->checkAccess('write','',$this->course_obj->getRefId());
100  $this->download_allowed = ($this->is_tutor or $this->course_obj->getArchiveType() == $this->course_obj->ARCHIVE_DOWNLOAD);
101 
102  $this->course_obj->initCourseArchiveObject();
103  $this->course_obj->archives_obj->initCourseFilesObject();
104 
105 
106  $archives = $this->is_tutor ?
107  $this->course_obj->archives_obj->getArchives() :
108  $this->course_obj->archives_obj->getPublicArchives();
109 
110  require_once("./Services/Table/classes/class.ilTableGUI.php");
111  $tbl = new ilTableGUI();
112 
113  $this->__showArchivesMenu();
114  $this->tpl->addBlockfile("ADM_CONTENT", "adm_content", "tpl.table.html");
115  $this->tpl->addBlockfile("TBL_CONTENT","tbl_content","tpl.crs_archives_row.html",'Modules/Course');
116 
117  $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
118 
119  $tbl->setTitle($this->lng->txt("crs_header_archives"));
120 
121 
122  if($this->download_allowed or $this->is_tutor)
123  {
124  $header_names = array('',
125  $this->lng->txt("type"),
126  $this->lng->txt("crs_file_name"),
127  $this->lng->txt("crs_size"),
128  $this->lng->txt("crs_create_date"),
129  $this->lng->txt("crs_archive_lang"));
130 
131  $header_vars = array("",
132  "type",
133  "name",
134  "size",
135  "date",
136  "lang");
137  $column_width = array("1%","9%","30%","20%","20%","20%");
138  $this->tpl->setVariable("COLUMN_COUNTS",6);
139  }
140  else
141  {
142  $header_names = array($this->lng->txt("type"),
143  $this->lng->txt("crs_file_name"),
144  $this->lng->txt("crs_create_date"),
145  $this->lng->txt("crs_size"),
146  $this->lng->txt("crs_archive_lang"));
147 
148  $header_vars = array("type",
149  "name",
150  "date",
151  "size",
152  "lang");
153  $column_width = array("10%","30%","20%","20%","20%");
154  $this->tpl->setVariable("COLUMN_COUNTS",5);
155  }
156 
157  $tbl->setHeaderNames($header_names);
158  $tbl->setHeaderVars($header_vars,
159  array("ref_id" => $this->course_obj->getRefId(),
160  "cmd" => "view",
161  "cmdClass" => strtolower(get_class($this))));
162  $tbl->setColumnWidth($column_width);
163 
164 
165  // control
166  $tbl->setOrderColumn($_GET["sort_by"]);
167  $tbl->setOrderDirection($_GET["sort_order"]);
168  $tbl->setLimit($_GET["limit"]);
169  $tbl->setOffset($_GET["offset"]);
170  $tbl->disable("sort");
171 
172  if($this->download_allowed)
173  {
174  $this->tpl->setVariable("IMG_ARROW", ilUtil::getImagePath("arrow_downright.gif"));
175  if($this->is_tutor)
176  {
177  // delete
178  $this->tpl->setCurrentBlock("tbl_action_btn");
179  $this->tpl->setVariable("BTN_NAME", "confirmDeleteArchives");
180  $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("delete"));
181  $this->tpl->parseCurrentBlock();
182  }
183 
184  // download
185  $this->tpl->setCurrentBlock("tbl_action_btn");
186  $this->tpl->setVariable("BTN_NAME", "downloadArchives");
187  $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("download"));
188  $this->tpl->parseCurrentBlock();
189  }
190 
191  $tbl->setFooter("tblfooter",$this->lng->txt("previous"),$this->lng->txt("next"));
192  $tbl->setMaxCount(count($archives));
193  $archives = array_slice($archives,$_GET['offset'],$_GET['limit']);
194  $tbl->render();
195 
196  if(!count($archives))
197  {
198  $this->tpl->setCurrentBlock("notfound");
199  $this->tpl->setVariable("TXT_OBJECT_NOT_FOUND", $this->lng->txt("obj_not_found"));
200  $this->tpl->setVariable("NUM_COLS",6);
201  $this->tpl->parseCurrentBlock();
202  }
203 
204 
205  $counter = 0;
206  foreach($archives as $archive_data)
207  {
208  $this->tpl->setCurrentBlock("tbl_content");
209  $this->tpl->setVariable("CSS_ROW",ilUtil::switchColor($counter++,'tblrow1','tblrow2'));
210 
211 
212  if($this->download_allowed)
213  {
214  $this->tpl->setVariable("VAL_CHECK",ilUtil::formCheckbox(0,"archives[]",$archive_data['archive_id']));
215  }
216  // Type
217  switch($archive_data["archive_type"])
218  {
219  case $this->course_obj->archives_obj->ARCHIVE_XML:
220  $type = $this->lng->txt("crs_xml");
221  break;
222 
223  case $this->course_obj->archives_obj->ARCHIVE_HTML:
224  $type = $this->lng->txt("crs_html");
225  break;
226 
227  case $this->course_obj->archives_obj->ARCHIVE_PDF:
228  $type = $this->lng->txt("crs_pdf");
229  break;
230  }
231  $this->tpl->setVariable("VAL_TYPE",$type);
232 
233  // Name
234  if($archive_data['archive_type'] == $this->course_obj->archives_obj->ARCHIVE_HTML)
235  {
236  $link = '<a href="'.$this->course_obj->archives_obj->course_files_obj->getOnlineLink($archive_data['archive_name']).'"'.
237  ' target="_blank">'.$archive_data["archive_name"].'</a>';
238  }
239  else
240  {
241  $link = $archive_data['archive_name'];
242  }
243 
244  $this->tpl->setVariable("VAL_NAME",$link);
245  $this->tpl->setVariable("VAL_SIZE",$archive_data['archive_size']);
246  $this->tpl->setVariable('VAL_DATE',ilDatePresentation::formatDate(new ilDateTime($archive_data['archive_name'],IL_CAL_UNIX)));
247 
248  if($archive_data["archive_lang"])
249  {
250  $this->tpl->setVariable("VAL_LANG",$this->lng->txt('lang_'.$archive_data["archive_lang"]));
251  }
252  else
253  {
254  $this->tpl->setVariable("VAL_LANG",$this->lng->txt('crs_not_available'));
255  }
256  $this->tpl->parseCurrentBlock();
257  }
258  $this->tpl->parseCurrentBlock();
259  }
260 
261 
262  function confirmDeleteArchives()
263  {
264  global $ilAccess,$ilErr;
265 
266  // MINIMUM ACCESS LEVEL = 'write'
267  if(!$ilAccess->checkAccess("write",'',$this->course_obj->getRefId()))
268  {
269  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
270  }
271 
272  if(!$_POST['archives'])
273  {
274  ilUtil::sendFailure($this->lng->txt("crs_no_archives_selected"));
275  $this->view();
276  return false;
277  }
278  $_SESSION["crs_archives"] = $_POST["archives"];
279  ilUtil::sendQuestion($this->lng->txt("crs_sure_delete_selected_archives"));
280 
281  $this->tpl->addBlockfile('ADM_CONTENT','adm_content','tpl.crs_confirm_delete_archives.html','Modules/Course');
282  $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
283  $this->tpl->setVariable("TXT_ARCHIVE_NAME",$this->lng->txt('crs_file_name'));
284 
285  $this->course_obj->initCourseArchiveObject();
286  $counter = 0;
287 
288  foreach($_POST['archives'] as $archive_id)
289  {
290  $archive = $this->course_obj->archives_obj->getArchive($archive_id);
291  $this->tpl->setCurrentBlock("archives");
292 
293  $this->tpl->setVariable("ARCHIVE_NAME",$archive['archive_name']);
294  $this->tpl->setVariable("CSS_ROW",ilUtil::switchColor($counter++,'tblrow1','tblrow2'));
295  $this->tpl->parseCurrentBlock();
296  }
297 
298  $this->tpl->setVariable("DELETE",$this->lng->txt('delete'));
299  $this->tpl->setVariable("CANCEL",$this->lng->txt('cancel'));
300 
301  return true;
302  }
303 
304  function delete()
305  {
306  global $ilAccess,$ilErr;
307 
308  // MINIMUM ACCESS LEVEL = 'write'
309  if(!$ilAccess->checkAccess("write",'',$this->course_obj->getRefId()))
310  {
311  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
312  }
313 
314  if(!$_SESSION['crs_archives'])
315  {
316  ilUtil::sendFailure($this->lng->txt("crs_no_archives_selected"));
317  $this->view();
318  }
319 
320  $this->course_obj->initCourseArchiveObject();
321  foreach($_SESSION['crs_archives'] as $archive_id)
322  {
323  $this->course_obj->archives_obj->delete($archive_id);
324  }
325 
326  ilUtil::sendSuccess($this->lng->txt('crs_archives_deleted'));
327  unset($_SESSION["crs_archives"]);
328 
329  $this->view();
330  return true;
331  }
332 
336  function selectXMLArchiveItems()
337  {
338  global $tpl;
339 
340  include_once("./Services/Export/classes/class.ilSubItemSelectionTableGUI.php");
341  $sel_table = new ilSubItemSelectionTableGUI($this, "selectXMlArchiveItems",
342  $this->course_obj->getRefId(), "addXMLArchive",
343  $this->lng->txt("crs_add_archive_xml"));
344  $tpl->setContent($sel_table->getHTML());
345  }
346 
347  function addXMLArchive()
348  {
349  global $ilAccess;
350 
351  // MINIMUM ACCESS LEVEL = 'write'
352  if(!$ilAccess->checkAccess("write",'',$this->course_obj->getRefId()))
353  {
354  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
355  }
356 
357  $this->course_obj->initCourseArchiveObject();
358  $this->course_obj->archives_obj->addXML($_POST["sel"]);
359 
360  ilUtil::sendSuccess($this->lng->txt("crs_added_new_archive"));
361  $this->view();
362 
363  return true;
364  }
365 
366  function selectArchiveLanguage()
367  {
368  global $ilAccess;
369 
370  // MINIMUM ACCESS LEVEL = 'write'
371  if(!$ilAccess->checkAccess("write",'',$this->course_obj->getRefId()))
372  {
373  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
374  }
375 
376  foreach($this->lng->getInstalledLanguages() as $lang_code)
377  {
378  $actions["$lang_code"] = $this->lng->txt('lang_'.$lang_code);
379 
380  if($this->lng->getLangKey() == $lang_code)
381  {
382  $selected = $lang_code;
383  }
384  }
385 
386  $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_selectLanguage.html",'Modules/Course');
387 
388  $this->tpl->setVariable("LANGUAGE_SELECTION",$this->lng->txt('crs_archive_language_selection'));
389  $this->tpl->setVariable("LANGUAGE",$this->lng->txt('obj_lng'));
390  $this->tpl->setVariable("INFO_TXT",$this->lng->txt('crs_select_archive_language'));
391  $this->tpl->setVariable("SELECT_FORMACTION",$this->ctrl->getFormAction($this));
392  $this->tpl->setVariable("LANG_SELECTOR",ilUtil::formSelect($selected,'lang',$actions,false,true));
393  $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt('cancel'));
394  $this->tpl->setVariable("TXT_SUBMIT",$this->lng->txt('crs_add_html_archive'));
395 
396  return true;
397  }
398 
399  function addHTMLArchive()
400  {
401  global $ilAccess;
402 
403  // MINIMUM ACCESS LEVEL = 'write'
404  if(!$ilAccess->checkAccess("write",'',$this->course_obj->getRefId()))
405  {
406  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
407  }
408 
409  $this->course_obj->initCourseArchiveObject();
410  $this->course_obj->archives_obj->setLanguage($_POST['lang']);
411  $this->course_obj->archives_obj->addHTML();
412 
413  ilUtil::sendSuccess($this->lng->txt("crs_added_new_archive"));
414  $this->view();
415 
416  return true;
417  }
418 
419  function downloadArchives()
420  {
421  global $ilAccess;
422 
423  // MINIMUM ACCESS LEVEL = 'write'
424  if(!$ilAccess->checkAccess("read",'',$this->course_obj->getRefId()))
425  {
426  $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->MESSAGE);
427  }
428 
429  $_POST["archives"] = $_POST["archives"] ? $_POST["archives"] : array();
430 
431  if(!count($_POST['archives']))
432  {
433  ilUtil::sendFailure($this->lng->txt('crs_no_archive_selected'));
434  $this->view();
435 
436  return false;
437  }
438  if(count($_POST['archives']) > 1)
439  {
440  ilUtil::sendFailure($this->lng->txt('crs_select_one_archive'));
441  $this->view();
442 
443  return false;
444  }
445 
446  $this->course_obj->initCourseArchiveObject();
447 
448  $abs_path = $this->course_obj->archives_obj->getArchiveFile((int) $_POST['archives'][0]);
449  $basename = basename($abs_path);
450 
451  ilUtil::deliverFile($abs_path,$basename);
452  }
453 
454 
455  function __showArchivesMenu()
456  {
457  if(!$this->is_tutor)
458  {
459  return false;
460  }
461  $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
462 
463  if(!PATH_TO_ZIP)
464  {
465  ilUtil::sendFailure($this->lng->txt('zip_test_failed'));
466  return true;
467  }
468  /*
469  $this->tpl->setCurrentBlock("btn_cell");
470  $link = $this->ctrl->getLinkTargetByClass(
471  'ilobjectcopygui',
472  'initSourceSelection'
473  );
474  $this->tpl->setVariable('BTN_LINK',$link);
475  $this->tpl->setVariable("BTN_TXT", $this->lng->txt("clone_existing_course"));
476  $this->tpl->parseCurrentBlock();
477  */
478  // create xml archive button
479  $this->tpl->setCurrentBlock("btn_cell");
480  $this->tpl->setVariable("BTN_LINK", $this->ctrl->getLinkTarget($this, "selectXMLArchiveItems"));
481  $this->tpl->setVariable("BTN_TXT", $this->lng->txt("crs_add_archive_xml"));
482  $this->tpl->parseCurrentBlock();
483 
484  $this->tpl->setCurrentBlock("btn_cell");
485  $this->tpl->setVariable("BTN_LINK", $this->ctrl->getLinkTarget($this, "selectArchiveLanguage"));
486  $this->tpl->setVariable("BTN_TXT", $this->lng->txt("crs_add_archive_html"));
487  $this->tpl->parseCurrentBlock();
488 
489  return true;
490  }
491 
492  function __initCourseObject()
493  {
494  global $tree;
495 
496  if($this->content_obj->getType() == 'crs')
497  {
498  // Container is course
499  $this->course_obj =& $this->content_obj;
500  }
501  else
502  {
503  $course_ref_id = $tree->checkForParentType($this->content_obj->getRefId(),'crs');
504  $this->course_obj =& ilObjectFactory::getInstanceByRefId($course_ref_id);
505  }
506  return true;
507  }
508 
509 
510 } // END class.ilCourseArchivesGUI
511 ?>