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Differences Between: [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   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   * Filter management page.
  19   *
  20   * @package    core
  21   * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once(__DIR__ . '/../config.php');
  26  require_once($CFG->libdir . '/adminlib.php');
  27  
  28  $action = optional_param('action', '', PARAM_ALPHA);
  29  $filterpath = optional_param('filterpath', '', PARAM_PLUGIN);
  30  
  31  admin_externalpage_setup('managefilters');
  32  
  33  // Clean up bogus filter states first.
  34  $plugininfos = core_plugin_manager::instance()->get_plugins_of_type('filter');
  35  $filters = array();
  36  $states = filter_get_global_states();
  37  foreach ($states as $state) {
  38      if (!isset($plugininfos[$state->filter]) and !get_config('filter_'.$state->filter, 'version')) {
  39          // Purge messy leftovers after incorrectly uninstalled plugins and unfinished installs.
  40          $DB->delete_records('filter_active', array('filter' => $state->filter));
  41          $DB->delete_records('filter_config', array('filter' => $state->filter));
  42          error_log('Deleted bogus "filter_'.$state->filter.'" states and config data.');
  43      } else {
  44          $filters[$state->filter] = $state;
  45      }
  46  }
  47  
  48  // Add properly installed and upgraded filters to the global states table.
  49  foreach ($plugininfos as $filter => $info) {
  50      if (isset($filters[$filter])) {
  51          continue;
  52      }
  53      /** @var \core\plugininfo\base $info */
  54      if ($info->is_installed_and_upgraded()) {
  55          filter_set_global_state($filter, TEXTFILTER_DISABLED);
  56          $states = filter_get_global_states();
  57          foreach ($states as $state) {
  58              if ($state->filter === $filter) {
  59                  $filters[$filter] = $state;
  60                  break;
  61              }
  62          }
  63      }
  64  }
  65  
  66  if ($action) {
  67      require_sesskey();
  68  }
  69  
  70  // Process actions.
  71  switch ($action) {
  72  
  73      case 'setstate':
  74          if (isset($filters[$filterpath]) and $newstate = optional_param('newstate', '', PARAM_INT)) {
  75              filter_set_global_state($filterpath, $newstate);
  76              if ($newstate == TEXTFILTER_DISABLED) {
  77                  filter_set_applies_to_strings($filterpath, false);
  78              }
  79          }
  80          break;
  81  
  82      case 'setapplyto':
  83          if (isset($filters[$filterpath])) {
  84              $applytostrings = optional_param('stringstoo', false, PARAM_BOOL);
  85              filter_set_applies_to_strings($filterpath, $applytostrings);
  86          }
  87          break;
  88  
  89      case 'down':
  90          if (isset($filters[$filterpath])) {
  91              filter_set_global_state($filterpath, $filters[$filterpath]->active, 1);
  92          }
  93          break;
  94  
  95      case 'up':
  96          if (isset($filters[$filterpath])) {
  97              $oldpos = $filters[$filterpath]->sortorder;
  98              filter_set_global_state($filterpath, $filters[$filterpath]->active, -1);
  99          }
 100          break;
 101  }
 102  
 103  // Reset caches and return.
 104  if ($action) {
 105      reset_text_filters_cache();
 106      core_plugin_manager::reset_caches();
 107      redirect(new moodle_url('/admin/filters.php'));
 108  }
 109  
 110  // Print the page heading.
 111  echo $OUTPUT->header();
 112  echo $OUTPUT->heading(get_string('filtersettings', 'admin'));
 113  
 114  $states = filter_get_global_states();
 115  $stringfilters = filter_get_string_filters();
 116  
 117  $table = new html_table();
 118  $table->head  = array(get_string('filter'), get_string('isactive', 'filters'),
 119          get_string('order'), get_string('applyto', 'filters'), get_string('settings'), get_string('uninstallplugin', 'core_admin'));
 120  $table->colclasses = array ('leftalign', 'leftalign', 'centeralign', 'leftalign', 'leftalign', 'leftalign');
 121  $table->attributes['class'] = 'admintable generaltable';
 122  $table->id = 'filterssetting';
 123  $table->data  = array();
 124  
 125  $lastactive = null;
 126  foreach ($states as $state) {
 127      if ($state->active != TEXTFILTER_DISABLED) {
 128          $lastactive = $state->filter;
 129      }
 130  }
 131  
 132  // Iterate through filters adding to display table.
 133  $firstrow = true;
 134  foreach ($states as $state) {
 135      $filter = $state->filter;
 136      if (!isset($plugininfos[$filter])) {
 137          continue;
 138      }
 139      $plugininfo = $plugininfos[$filter];
 140      $applytostrings = isset($stringfilters[$filter]) && $state->active != TEXTFILTER_DISABLED;
 141      $row = get_table_row($plugininfo, $state, $firstrow, $filter == $lastactive, $applytostrings);
 142      $table->data[] = $row;
 143      if ($state->active == TEXTFILTER_DISABLED) {
 144          $table->rowclasses[] = 'dimmed_text';
 145      } else {
 146          $table->rowclasses[] = '';
 147      }
 148      $firstrow = false;
 149  }
 150  
 151  echo html_writer::table($table);
 152  echo '<p class="filtersettingnote">' . get_string('filterallwarning', 'filters') . '</p>';
 153  echo $OUTPUT->footer();
 154  die;
 155  
 156  
 157  /**
 158   * Return action URL.
 159   *
 160   * @param string $filterpath
 161   * @param string $action
 162   * @return moodle_url
 163   */
 164  function filters_action_url($filterpath, $action) {
 165      if ($action === 'delete') {
 166          return core_plugin_manager::instance()->get_uninstall_url('filter_'.$filterpath, 'manage');
 167      }
 168      return new moodle_url('/admin/filters.php', array('sesskey'=>sesskey(), 'filterpath'=>$filterpath, 'action'=>$action));
 169  }
 170  
 171  /**
 172   * Construct table record.
 173   *
 174   * @param \core\plugininfo\filter $plugininfo
 175   * @param stdClass $state
 176   * @param bool $isfirstrow
 177   * @param bool $islastactive
 178   * @param bool $applytostrings
 179   * @return array data
 180   */
 181  function get_table_row(\core\plugininfo\filter $plugininfo, $state, $isfirstrow, $islastactive, $applytostrings) {
 182      global $OUTPUT;
 183      $row = array();
 184      $filter = $state->filter;
 185      $active = $plugininfo->is_installed_and_upgraded();
 186  
 187      static $activechoices;
 188      static $applytochoices;
 189      if (!isset($activechoices)) {
 190          $activechoices = array(
 191              TEXTFILTER_DISABLED => get_string('disabled', 'core_filters'),
 192              TEXTFILTER_OFF => get_string('offbutavailable', 'core_filters'),
 193              TEXTFILTER_ON => get_string('on', 'core_filters'),
 194          );
 195          $applytochoices = array(
 196              0 => get_string('content', 'core_filters'),
 197              1 => get_string('contentandheadings', 'core_filters'),
 198          );
 199      }
 200  
 201      // Filter name.
 202      $displayname = $plugininfo->displayname;
 203      if (!$plugininfo->rootdir) {
 204          $displayname = '<span class="error">' . $displayname . ' - ' . get_string('status_missing', 'core_plugin') . '</span>';
 205      } else if (!$active) {
 206          $displayname = '<span class="error">' . $displayname . ' - ' . get_string('error') . '</span>';
 207      }
 208      $row[] = $displayname;
 209  
 210      // Disable/off/on.
 211      $select = new single_select(filters_action_url($filter, 'setstate'), 'newstate', $activechoices, $state->active, null, 'active' . $filter);
 212      $select->set_label(get_string('isactive', 'filters'), array('class' => 'accesshide'));
 213      $row[] = $OUTPUT->render($select);
 214  
 215      // Re-order.
 216      $updown = '';
 217      $spacer = $OUTPUT->spacer();
 218      if ($state->active != TEXTFILTER_DISABLED) {
 219          if (!$isfirstrow) {
 220              $updown .= $OUTPUT->action_icon(filters_action_url($filter, 'up'), new pix_icon('t/up', get_string('up'), '', array('class' => 'iconsmall')));
 221          } else {
 222              $updown .= $spacer;
 223          }
 224          if (!$islastactive) {
 225              $updown .= $OUTPUT->action_icon(filters_action_url($filter, 'down'), new pix_icon('t/down', get_string('down'), '', array('class' => 'iconsmall')));
 226          } else {
 227              $updown .= $spacer;
 228          }
 229      }
 230      $row[] = $updown;
 231  
 232      // Apply to strings.
 233      $select = new single_select(filters_action_url($filter, 'setapplyto'), 'stringstoo', $applytochoices, $applytostrings, null, 'applyto' . $filter);
 234      $select->set_label(get_string('applyto', 'filters'), array('class' => 'accesshide'));
 235      $select->disabled = ($state->active == TEXTFILTER_DISABLED);
 236      $row[] = $OUTPUT->render($select);
 237  
 238      // Settings link, if required.
 239      if ($active and filter_has_global_settings($filter)) {
 240          $row[] = html_writer::link(new moodle_url('/admin/settings.php', array('section'=>'filtersetting'.$filter)), get_string('settings'));
 241      } else {
 242          $row[] = '';
 243      }
 244  
 245      // Uninstall.
 246      $row[] = html_writer::link(filters_action_url($filter, 'delete'), get_string('uninstallplugin', 'core_admin'));
 247  
 248      return $row;
 249  }