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   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   * Form for editing tag block instances.
  19   *
  20   * @package   block_tags
  21   * @copyright 2009 Tim Hunt
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  /**
  26   * Form for editing tag block instances.
  27   *
  28   * @copyright 2009 Tim Hunt
  29   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  30   */
  31  class block_tags_edit_form extends block_edit_form {
  32      protected function specific_definition($mform) {
  33          global $CFG;
  34          // Fields for editing HTML block title and contents.
  35          $mform->addElement('header', 'configheader', get_string('blocksettings', 'block'));
  36  
  37          $mform->addElement('text', 'config_title', get_string('configtitle', 'block_tags'));
  38          $mform->setType('config_title', PARAM_TEXT);
  39          $mform->setDefault('config_title', get_string('pluginname', 'block_tags'));
  40  
  41          $this->add_collection_selector($mform);
  42  
  43          $numberoftags = array();
  44          for ($i = 1; $i <= 200; $i++) {
  45              $numberoftags[$i] = $i;
  46          }
  47          $mform->addElement('select', 'config_numberoftags', get_string('numberoftags', 'blog'), $numberoftags);
  48          $mform->setDefault('config_numberoftags', 80);
  49  
  50          $defaults = array(
  51              core_tag_tag::STANDARD_ONLY => get_string('standardonly', 'block_tags'),
  52              core_tag_tag::BOTH_STANDARD_AND_NOT => get_string('anytype', 'block_tags'));
  53          $mform->addElement('select', 'config_showstandard', get_string('defaultdisplay', 'block_tags'), $defaults);
  54          $mform->setDefault('config_showstandard', core_tag_tag::BOTH_STANDARD_AND_NOT);
  55  
  56          $defaults = array(0 => context_system::instance()->get_context_name());
  57          $parentcontext = context::instance_by_id($this->block->instance->parentcontextid);
  58          if ($parentcontext->contextlevel > CONTEXT_COURSE) {
  59              $coursecontext = $parentcontext->get_course_context();
  60              $defaults[$coursecontext->id] = $coursecontext->get_context_name();
  61          }
  62          if ($parentcontext->contextlevel != CONTEXT_SYSTEM) {
  63              $defaults[$parentcontext->id] = $parentcontext->get_context_name();
  64          }
  65          $mform->addElement('select', 'config_ctx', get_string('taggeditemscontext', 'block_tags'), $defaults);
  66          $mform->addHelpButton('config_ctx', 'taggeditemscontext', 'block_tags');
  67          $mform->setDefault('config_ctx', 0);
  68  
  69          $mform->addElement('advcheckbox', 'config_rec', get_string('recursivecontext', 'block_tags'));
  70          $mform->addHelpButton('config_rec', 'recursivecontext', 'block_tags');
  71          $mform->setDefault('config_rec', 1);
  72      }
  73  
  74      /**
  75       * Add the tag collection selector
  76       *
  77       * @param object $mform the form being built.
  78       */
  79      protected function add_collection_selector($mform) {
  80          $tagcolls = core_tag_collection::get_collections_menu(false, false, get_string('anycollection', 'block_tags'));
  81          if (count($tagcolls) <= 1) {
  82              return;
  83          }
  84  
  85          $tagcollssearchable = core_tag_collection::get_collections_menu(false, true);
  86          $hasunsearchable = false;
  87          foreach ($tagcolls as $id => $name) {
  88              if ($id && !array_key_exists($id, $tagcollssearchable)) {
  89                  $hasunsearchable = true;
  90                  $tagcolls[$id] = $name . '*';
  91              }
  92          }
  93  
  94          $mform->addElement('select', 'config_tagcoll', get_string('tagcollection', 'block_tags'), $tagcolls);
  95          if ($hasunsearchable) {
  96              $mform->addHelpButton('config_tagcoll', 'tagcollection', 'block_tags');
  97          }
  98          $mform->setDefault('config_tagcoll', 0);
  99      }
 100  }