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Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Managing tags, tag areas and tags collections
  19   *
  20   * @package    core_tag
  21   * @copyright  2007 Luiz Cruz <luiz.laydner@gmail.com>
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once('../config.php');
  26  require_once($CFG->libdir.'/tablelib.php');
  27  require_once ('lib.php');
  28  require_once($CFG->libdir.'/adminlib.php');
  29  
  30  define('SHOW_ALL_PAGE_SIZE', 50000);
  31  define('DEFAULT_PAGE_SIZE', 30);
  32  
  33  $tagschecked = optional_param_array('tagschecked', array(), PARAM_INT);
  34  $tagid       = optional_param('tagid', null, PARAM_INT);
  35  $isstandard  = optional_param('isstandard', null, PARAM_INT);
  36  $action      = optional_param('action', '', PARAM_ALPHA);
  37  $perpage     = optional_param('perpage', DEFAULT_PAGE_SIZE, PARAM_INT);
  38  $page        = optional_param('page', 0, PARAM_INT);
  39  $tagcollid   = optional_param('tc', 0, PARAM_INT);
  40  $tagareaid   = optional_param('ta', null, PARAM_INT);
  41  $filter      = optional_param('filter', '', PARAM_NOTAGS);
  42  
  43  $params = array();
  44  if ($perpage != DEFAULT_PAGE_SIZE) {
  45      $params['perpage'] = $perpage;
  46  }
  47  if ($page > 0) {
  48      $params['page'] = $page;
  49  }
  50  if ($tagcollid) {
  51      $params['tc'] = $tagcollid;
  52  }
  53  if ($filter !== '') {
  54      $params['filter'] = $filter;
  55  }
  56  
  57  admin_externalpage_setup('managetags', '', $params, '', array('pagelayout' => 'report'));
  58  
  59  if (empty($CFG->usetags)) {
  60      throw new \moodle_exception('tagsaredisabled', 'tag');
  61  }
  62  
  63  $tagobject = null;
  64  if ($tagid) {
  65      $tagobject = core_tag_tag::get($tagid, '*', MUST_EXIST);
  66      $tagcollid = $tagobject->tagcollid;
  67  }
  68  $tagcoll = core_tag_collection::get_by_id($tagcollid);
  69  $tagarea = core_tag_area::get_by_id($tagareaid);
  70  $manageurl = new moodle_url('/tag/manage.php');
  71  if ($tagcoll) {
  72      // We are inside a tag collection - add it to the breadcrumb.
  73      $PAGE->navbar->add(core_tag_collection::display_name($tagcoll),
  74              new moodle_url($manageurl, array('tc' => $tagcoll->id)));
  75  }
  76  
  77  $PAGE->set_blocks_editing_capability('moodle/tag:editblocks');
  78  
  79  $PAGE->set_primary_active_tab('siteadminnode');
  80  
  81  switch($action) {
  82  
  83      case 'colladd':
  84          require_sesskey();
  85          $name = required_param('name', PARAM_NOTAGS);
  86          $searchable = optional_param('searchable', false, PARAM_BOOL);
  87          core_tag_collection::create(array('name' => $name, 'searchable' => $searchable));
  88          redirect($manageurl);
  89          break;
  90  
  91      case 'colldelete':
  92          if ($tagcoll && !$tagcoll->component) {
  93              require_sesskey();
  94              core_tag_collection::delete($tagcoll);
  95              \core\notification::success(get_string('changessaved', 'core_tag'));
  96          }
  97          redirect($manageurl);
  98          break;
  99  
 100      case 'collmoveup':
 101          if ($tagcoll) {
 102              require_sesskey();
 103              core_tag_collection::change_sortorder($tagcoll, -1);
 104              redirect($manageurl, get_string('changessaved', 'core_tag'), null, \core\output\notification::NOTIFY_SUCCESS);
 105          }
 106          redirect($manageurl);
 107          break;
 108  
 109      case 'collmovedown':
 110          if ($tagcoll) {
 111              require_sesskey();
 112              core_tag_collection::change_sortorder($tagcoll, 1);
 113              redirect($manageurl, get_string('changessaved', 'core_tag'), null, \core\output\notification::NOTIFY_SUCCESS);
 114          }
 115          redirect($manageurl);
 116          break;
 117  
 118      case 'delete':
 119          if ($tagid) {
 120              require_sesskey();
 121              core_tag_tag::delete_tags(array($tagid));
 122              \core\notification::success(get_string('deleted', 'core_tag'));
 123          }
 124          redirect($PAGE->url);
 125          break;
 126  
 127      case 'bulk':
 128          if (optional_param('bulkdelete', null, PARAM_RAW) !== null) {
 129              if ($tagschecked) {
 130                  require_sesskey();
 131                  core_tag_tag::delete_tags($tagschecked);
 132                  \core\notification::success(get_string('deleted', 'core_tag'));
 133              }
 134              redirect($PAGE->url);
 135          } else if (optional_param('bulkcombine', null, PARAM_RAW) !== null) {
 136              $tags = core_tag_tag::get_bulk($tagschecked, '*');
 137              if (count($tags) > 1) {
 138                  require_sesskey();
 139                  if (($maintag = optional_param('maintag', 0, PARAM_INT)) && array_key_exists($maintag, $tags)) {
 140                      $tag = $tags[$maintag];
 141                  } else {
 142                      $tag = array_shift($tags);
 143                  }
 144                  $tag->combine_tags($tags);
 145                  \core\notification::success(get_string('combined', 'core_tag'));
 146              }
 147              redirect($PAGE->url);
 148          }
 149          break;
 150  
 151      case 'renamecombine':
 152          // Allows to rename the tag and if the tag with the new name already exists these tags will be combined.
 153          if ($tagid && ($newname = required_param('newname', PARAM_TAG))) {
 154              require_sesskey();
 155              $tag = core_tag_tag::get($tagid, '*', MUST_EXIST);
 156              $targettag = core_tag_tag::get_by_name($tag->tagcollid, $newname, '*');
 157              if ($targettag) {
 158                  $targettag->combine_tags(array($tag));
 159                  \core\notification::success(get_string('combined', 'core_tag'));
 160              } else {
 161                  $tag->update(array('rawname' => $newname));
 162                  \core\notification::success(get_string('changessaved', 'core_tag'));
 163              }
 164          }
 165          redirect($PAGE->url);
 166          break;
 167  
 168      case 'addstandardtag':
 169          require_sesskey();
 170          $tagobjects = array();
 171          if ($tagcoll) {
 172              $tagslist = optional_param('tagslist', '', PARAM_RAW);
 173              $newtags = preg_split('/\s*,\s*/', trim($tagslist), -1, PREG_SPLIT_NO_EMPTY);
 174              $tagobjects = core_tag_tag::create_if_missing($tagcoll->id, $newtags, true);
 175          }
 176          foreach ($tagobjects as $tagobject) {
 177              if (!$tagobject->isstandard) {
 178                  $tagobject->update(array('isstandard' => 1));
 179              }
 180          }
 181          redirect($PAGE->url, $tagobjects ? get_string('added', 'core_tag') : null,
 182                  null, \core\output\notification::NOTIFY_SUCCESS);
 183          break;
 184  }
 185  
 186  echo $OUTPUT->header();
 187  
 188  if (!$tagcoll) {
 189      // Tag collection is not specified. Display the overview of tag collections and tag areas.
 190      $tagareastable = new core_tag_areas_table($manageurl);
 191      $colltable = new core_tag_collections_table($manageurl);
 192  
 193      echo $OUTPUT->heading(get_string('tagcollections', 'core_tag') . $OUTPUT->help_icon('tagcollection', 'tag'), 3);
 194      echo html_writer::table($colltable);
 195      $url = new moodle_url($manageurl, array('action' => 'colladd'));
 196      echo html_writer::div(html_writer::link('#', get_string('addtagcoll', 'tag'), array('data-url' => $url)),
 197              'mdl-right addtagcoll');
 198  
 199      echo $OUTPUT->heading(get_string('tagareas', 'core_tag'), 3);
 200      echo html_writer::table($tagareastable);
 201  
 202      $PAGE->requires->js_call_amd('core/tag', 'initManageCollectionsPage', array());
 203  
 204      echo $OUTPUT->footer();
 205      exit;
 206  }
 207  
 208  // Tag collection is specified. Manage tags in this collection.
 209  echo $OUTPUT->heading(core_tag_collection::display_name($tagcoll));
 210  
 211  $hiddenfields = [
 212      (object) ['type' => 'hidden', 'name' => 'tc', 'value' => $tagcollid],
 213      (object) ['type' => 'hidden', 'name' => 'perpage', 'value' => $perpage]
 214  ];
 215  
 216  $otherfields = '';
 217  if ($filter !== '') {
 218      $otherfields = html_writer::link(new moodle_url($PAGE->url, ['filter' => null]),
 219          get_string('resetfilter', 'tag'));
 220  }
 221  
 222  $data = [
 223      'action' => new moodle_url('/tag/manage.php'),
 224      'hiddenfields' => $hiddenfields,
 225      'inputname' => 'filter',
 226      'searchstring' => get_string('search'),
 227      'query' => s($filter),
 228      'extraclasses' => 'mb-2',
 229      'otherfields' => $otherfields
 230  ];
 231  echo $OUTPUT->render_from_template('core/search_input', $data);
 232  
 233  // Link to add an standard tags.
 234  $img = $OUTPUT->pix_icon('t/add', '');
 235  echo '<div class="addstandardtags visibleifjs">' .
 236      html_writer::link('#', $img . get_string('addotags', 'tag'), array('data-action' => 'addstandardtag')) .
 237      '</div>';
 238  
 239  $table = new core_tag_manage_table($tagcollid);
 240  echo '<form class="tag-management-form" method="post" action="'.$CFG->wwwroot.'/tag/manage.php">';
 241  echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'tc', 'value' => $tagcollid));
 242  echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
 243  echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'action', 'value' => 'bulk'));
 244  echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'perpage', 'value' => $perpage));
 245  echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'page', 'value' => $page));
 246  echo $table->out($perpage, true);
 247  
 248  if ($table->rawdata) {
 249      echo html_writer::start_tag('p');
 250      echo html_writer::tag('button', get_string('deleteselected', 'tag'),
 251              array('id' => 'tag-management-delete', 'type' => 'submit',
 252                    'class' => 'tagdeleteselected btn btn-secondary', 'name' => 'bulkdelete'));
 253      echo html_writer::tag('button', get_string('combineselected', 'tag'),
 254          array('id' => 'tag-management-combine', 'type' => 'submit',
 255                'class' => 'tagcombineselected btn btn-secondary', 'name' => 'bulkcombine'));
 256      echo html_writer::end_tag('p');
 257  }
 258  echo '</form>';
 259  
 260  $totalcount = $table->totalcount;
 261  if ($perpage == SHOW_ALL_PAGE_SIZE) {
 262      echo html_writer::start_tag('div', array('id' => 'showall'));
 263      $params = array('perpage' => DEFAULT_PAGE_SIZE, 'page' => 0);
 264      $url = new moodle_url($PAGE->url, $params);
 265      echo html_writer::link($url, get_string('showperpage', '', DEFAULT_PAGE_SIZE));
 266      echo html_writer::end_tag('div');
 267  } else if ($totalcount > 0 and $perpage < $totalcount) {
 268      echo html_writer::start_tag('div', array('id' => 'showall'));
 269      $params = array('perpage' => SHOW_ALL_PAGE_SIZE, 'page' => 0);
 270      $url = new moodle_url($PAGE->url, $params);
 271      echo html_writer::link($url, get_string('showall', '', $totalcount));
 272      echo html_writer::end_tag('div');
 273  }
 274  
 275  echo $OUTPUT->footer();