ILIAS  Release_5_0_x_branch Revision 61816
 All Data Structures Namespaces Files Functions Variables Groups Pages
class.ilContainerReferenceGUI.php
Go to the documentation of this file.
1 <?php
2 /*
3  +-----------------------------------------------------------------------------+
4  | ILIAS open source |
5  +-----------------------------------------------------------------------------+
6  | Copyright (c) 1998-2006 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 |
11  | of the License, or (at your option) any later version. |
12  | |
13  | This program is distributed in the hope that it will be useful, |
14  | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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 |
19  | along with this program; if not, write to the Free Software |
20  | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21  +-----------------------------------------------------------------------------+
22 */
23 
24 include_once('./Services/Object/classes/class.ilObjectGUI.php');
25 
35 class ilContainerReferenceGUI extends ilObjectGUI
36 {
37  const MAX_SELECTION_ENTRIES = 50;
38 
39  const MODE_CREATE = 1;
40  const MODE_EDIT = 2;
41 
42  protected $existing_objects = array();
43 
49  public function __construct($a_data, $a_id, $a_call_by_reference = true, $a_prepare_output = true)
50  {
51  global $lng;
52  parent::__construct($a_data, $a_id,$a_call_by_reference,$a_prepare_output);
53 
54  $lng->loadLanguageModule('objref');
55  }
56 
61  protected function addLocatorItems()
62  {
63  global $ilLocator;
64 
65  if($this->object instanceof ilObject)
66  {
67  $ilLocator->addItem($this->object->getPresentationTitle(),$this->ctrl->getLinkTarget($this));
68  }
69  }
70 
76  public function redirectObject()
77  {
78  global $ilCtrl;
79 
80  $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $this->object->getTargetRefId());
81  $ilCtrl->redirectByClass("ilrepositorygui", "");
82  }
83 
89  public function createObject()
90  {
91  global $ilUser,$ilAccess,$ilErr,$ilSetting;
92 
93  $new_type = $_REQUEST["new_type"];
94  if(!$ilAccess->checkAccess("create_".$this->getReferenceType(),'',$_GET["ref_id"], $new_type))
95  {
96  $ilErr->raiseError($this->lng->txt("permission_denied"),$ilErr->MESSAGE);
97  }
98 
99  $this->initTargetSelection(self::MODE_CREATE);
100  ilUtil::sendInfo($this->lng->txt($this->getReferenceType().'_edit_info'));
101  }
102 
103 
111  public function saveObject()
112  {
113  global $ilAccess;
114 
115  if(!(int) $_REQUEST['target_id'])
116  {
117  ilUtil::sendFailure($this->lng->txt('select_one'));
118  $this->createObject();
119  return false;
120  }
121  if(!$ilAccess->checkAccess('visible','',(int) $_REQUEST['target_id']))
122  {
123  ilUtil::sendFailure($this->lng->txt('permission_denied'));
124  $this->createObject();
125  return false;
126  }
127 
128  parent::saveObject();
129  }
130 
131  protected function initCreateForm($a_new_type)
132  {
133  include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
134  $form = new ilPropertyFormGUI();
135  return $form;
136  }
137 
138  protected function afterSave(ilObject $a_new_object)
139  {
140  $target_obj_id = ilObject::_lookupObjId((int) $_REQUEST['target_id']);
141  $a_new_object->setTargetId($target_obj_id);
142  $a_new_object->update();
143 
144  ilUtil::sendSuccess($this->lng->txt("object_added"), true);
145  $this->ctrl->setParameter($this,'ref_id',$a_new_object->getRefId());
146  $this->ctrl->redirect($this,'firstEdit');
147  }
148 
152  protected function firstEditObject()
153  {
154  $this->editObject(false);
155  }
156 
157 
165  public function editObject($a_show_info_message = true)
166  {
167  global $ilUser,$ilSetting,$ilTabs;
168 
169  $ilTabs->setTabActive('edit');
170  $ilTabs->addSubTab('edit',$this->lng->txt('objref_edit_ref'),$this->ctrl->getLinkTarget($this,'edit'));
171  $ilTabs->addSubTab('editTitle',$this->lng->txt('objref_edit_title'),$this->ctrl->getLinkTarget($this,'editTitle'));
172  $ilTabs->setTabActive('edit');
173  $ilTabs->activateSubTab('edit');
174  $this->initTargetSelection(self::MODE_EDIT);
175 
176  if($a_show_info_message)
177  {
178  ilUtil::sendInfo($this->lng->txt($this->getReferenceType().'_edit_info'));
179  }
180  }
181 
182  public function editReferenceObject()
183  {
184  $this->editObject();
185  }
186 
190  protected function editTitleObject(ilPropertyFormGUI $form = null)
191  {
192  global $ilTabs;
193 
194  $ilTabs->addSubTab('edit',$this->lng->txt('objref_edit_ref'),$this->ctrl->getLinkTarget($this,'edit'));
195  $ilTabs->addSubTab('editTitle',$this->lng->txt('objref_edit_title'),$this->ctrl->getLinkTarget($this,'editTitle'));
196  $ilTabs->setTabActive('edit');
197  $ilTabs->activateSubTab('editTitle');
198 
199  if(!$form instanceof ilPropertyFormGUI)
200  {
201  $form = $this->initFormTitle();
202  }
203  $GLOBALS['tpl']->setContent($form->getHTML());
204  }
205 
210  protected function initFormTitle()
211  {
212  include_once './Services/Form/classes/class.ilPropertyFormGUI.php';
213  $form = new ilPropertyFormGUI();
214  $form->setTitle($this->lng->txt('objref_title_settings'));
215  $form->setFormAction($this->ctrl->getFormAction($this));
216  $form->addCommandButton('updateTitle', $this->lng->txt('save'));
217 
218  // title type
219  $ttype = new ilRadioGroupInputGUI($this->lng->txt('title'), 'title_type');
220  $ttype->setValue($this->object->getTitleType());
221  $reuse = new ilRadioOption($this->lng->txt('objref_reuse_title'));
222  $reuse->setValue(ilContainerReference::TITLE_TYPE_REUSE);
223  $ttype->addOption($reuse);
224 
225  $custom = new ilRadioOption($this->lng->txt('objref_custom_title'));
226  $custom->setValue(ilContainerReference::TITLE_TYPE_CUSTOM);
227 
228  // title
229  $title = new ilTextInputGUI($this->lng->txt('title'),'title');
230  $title->setSize(min(40, ilObject::TITLE_LENGTH));
231  $title->setMaxLength(ilObject::TITLE_LENGTH);
232  $title->setRequired(true);
233  $title->setValue($this->object->getTitle());
234  $custom->addSubItem($title);
235 
236  $ttype->addOption($custom);
237 
238  $form->addItem($ttype);
239 
240  return $form;
241  }
242 
246  protected function updateTitleObject()
247  {
248  $form = $this->initFormTitle();
249  if($form->checkInput())
250  {
251  $this->object->setTitleType($form->getInput('title_type'));
252  if($form->getInput('title_type') == ilContainerReference::TITLE_TYPE_CUSTOM)
253  {
254  $this->object->setTitle($form->getInput('title'));
255  }
256  $this->object->update();
257  ilUtil::sendSuccess($this->lng->txt('settings_saved'), true);
258  $this->ctrl->redirect($this,'editTitle');
259  }
260  $form->setValuesByPost();
261  ilUtil::sendFailure($this->lng->txt('err_check_input'));
262  $this->editTitleObject($form);
263  }
264 
272  public function updateObject()
273  {
274  global $ilAccess;
275 
276  if(!(int) $_REQUEST['target_id'])
277  {
278  ilUtil::sendFailure($this->lng->txt('select_one'));
279  $this->editObject();
280  return false;
281  }
282  if(!$ilAccess->checkAccess('visible','',(int) $_REQUEST['target_id']))
283  {
284  ilUtil::sendFailure($this->lng->txt('permission_denied'));
285  $this->editObject();
286  return false;
287  }
288  $this->checkPermission('write');
289 
290  $target_obj_id = ilObject::_lookupObjId((int) $_REQUEST['target_id']);
291  $this->object->setTargetId($target_obj_id);
292  $this->object->update();
293 
294  ilUtil::sendSuccess($this->lng->txt('settings_saved'));
295  $this->ctrl->redirect($this,'edit');
296  }
297 
298 
305  protected function showSelection()
306  {
307  $this->initFormSelection();
308  $this->tpl->setContent($this->form->getHTML());
309  return true;
310  }
311 
318  protected function initFormSelection()
319  {
320  if(is_object($this->form))
321  {
322  return true;
323  }
324  include_once('./Services/Form/classes/class.ilPropertyFormGUI.php');
325  $this->form = new ilPropertyFormGUI();
326  $this->ctrl->setParameter($this,'new_type',$this->getReferenceType());
327  $this->form->setFormAction($this->ctrl->getFormAction($this));
328  $this->form->setTitle($this->lng->txt($this->getReferenceType().'_new'));
329  $this->form->setTitleIcon(ilUtil::getImagePath('icon_'.$this->getReferenceType().'.svg'));
330 
331  // Show selection
332  $select = new ilSelectInputGUI($this->lng->txt('objs_'.$this->getTargetType()),'target_id');
333  $select->setOptions(self::_prepareSelection($this->existing_objects,$this->getTargetType()));
334  $select->setInfo($this->lng->txt($_POST['new_type'].'_edit_info'));
335  $this->form->addItem($select);
336 
337  $this->form->addCommandButton('save',$this->lng->txt('save'));
338  $this->form->addCommandButton('cancel',$this->lng->txt('cancel'));
339  }
340 
347  protected function initFormEditSelection()
348  {
349  if(is_object($this->form))
350  {
351  return true;
352  }
353  include_once('./Services/Form/classes/class.ilPropertyFormGUI.php');
354  $this->form = new ilPropertyFormGUI();
355  $this->form->setFormAction($this->ctrl->getFormAction($this));
356  $this->form->setTitle($this->lng->txt($this->getReferenceType().'_edit'));
357  $this->form->setTitleIcon(ilUtil::getImagePath('icon_'.$this->getReferenceType().'.svg'));
358 
359  // Show selection
360  $select = new ilSelectInputGUI($this->lng->txt('objs_'.$this->getTargetType()),'target_id');
361  $select->setValue($this->object->getTargetRefId());
362  $select->setOptions(self::_prepareSelection($this->existing_objects,$this->getTargetType()));
363  $select->setInfo($this->lng->txt($this->object->getType().'_edit_info'));
364  $this->form->addItem($select);
365 
366  $this->form->addCommandButton('update',$this->lng->txt('save'));
367  #$this->form->addCommandButton('cancel',$this->lng->txt('cancel'));
368  }
369 
370 
378  public function getTargetType()
379  {
380  return $this->target_type;
381  }
382 
390  public function getReferenceType()
391  {
392  return $this->reference_type;
393  }
394 
403  public static function _prepareSelection($a_ref_ids,$a_target_type)
404  {
405  global $ilDB,$lng;
406 
407  $query = "SELECT obj_data.title obj_title,path_data.title path_title,child FROM tree ".
408  "JOIN object_reference obj_ref ON child = obj_ref.ref_id ".
409  "JOIN object_data obj_data ON obj_ref.obj_id = obj_data.obj_id ".
410  "JOIN object_reference path_ref ON parent = path_ref.ref_id ".
411  "JOIN object_data path_data ON path_ref.obj_id = path_data.obj_id ".
412  "WHERE ".$ilDB->in('child',$a_ref_ids,false,'integer').' '.
413  "ORDER BY obj_data.title ";
414  $res = $ilDB->query($query);
415 
416  $options[0] = $lng->txt('obj_'.$a_target_type.'_select');
417  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
418  {
419  if(strlen($title = $row->obj_title) > 40)
420  {
421  $title = substr($title,0,40).'...';
422  }
423  if(strlen($path = $row->path_title) > 40)
424  {
425  $path = substr($path,0,40).'...';
426  }
427  $options[$row->child] = ($title.' ('.$lng->txt('path').': '.$path.')');
428  }
429  return $options ? $options : array();
430  }
431 
436  protected function initTargetSelection($a_mode = self::MODE_CREATE)
437  {
438  global $ilCtrl, $tree;
439 
440  // empty session on init
441  $_SESSION['ref_repexpand'] = array();
442 
443  // copy opened nodes from repository explorer
444  $_SESSION['ref_repexpand'] = is_array($_SESSION['repexpand']) ? $_SESSION['repexpand'] : array();
445 
446  // open current position
447 
448  if($a_mode == self::MODE_CREATE)
449  {
450  $target = (int) $_GET['ref_id'];
451  }
452  else
453  {
454  $target = (int) $this->object->getTargetRefId();
455  }
456 
457  $path = $tree->getPathId($target);
458  foreach((array) $path as $node_id)
459  {
460  if(!in_array($node_id, $_SESSION['ref_repexpand']))
461  {
462  $_SESSION['ref_repexpand'][] = $node_id;
463  }
464  }
465 
466  $_SESSION['ref_mode'] = $a_mode;
467 
468  $this->showTargetSelectionTreeObject();
469  }
470 
475  public function showTargetSelectionTreeObject()
476  {
477  global $ilTabs, $ilToolbar, $ilCtrl, $tree, $tpl, $objDefinition;
478 
479  include_once './Services/ContainerReference/classes/class.ilContainerSelectionExplorer.php';
480 
481  if($_SESSION['ref_mode'] == self::MODE_CREATE)
482  {
483  $ilToolbar->addButton($this->lng->txt('back'), $ilCtrl->getLinkTarget($this,'cancel'));
484  $this->ctrl->setParameter($this,'new_type',$this->getReferenceType());
485  $cmd = 'save';
486  }
487  else
488  {
489  $ilTabs->setTabActive('edit');
490  $cmd = 'update';
491  }
492  $explorer = new ilContainerSelectionExplorer($this->ctrl->getLinkTarget($this,$cmd));
493 
494  if(isset($_GET['ref_repexpand']))
495  {
496  $explorer->setExpand((int) $_GET['ref_repexpand']);
497  }
498  else
499  {
500  $explorer->setExpand(ROOT_FOLDER_ID);
501  }
502  $explorer->setFrameTarget('_self');
503  $explorer->setExpandTarget($this->ctrl->getLinkTarget($this,'showTargetSelectionTree'));
504  $explorer->setTargetGet('target_id');
505  $explorer->setTargetType($this->getTargetType());
506  $explorer->setOutput(0);
507  $this->tpl->setContent($explorer->getOutput());
508  }
509 }
510 ?>