tag/manage.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * @package    core
  20  * @subpackage 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 $tagtype     = optional_param('tagtype', null, PARAM_ALPHA);
  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 $notice      = optional_param('notice', '', PARAM_ALPHA);
  40
  41 require_login();
  42
  43 if (empty($CFG->usetags)) {
  44     print_error('tagsaredisabled', 'tag');
  45 }
  46
  47 $params = array();
  48 if ($perpage != DEFAULT_PAGE_SIZE) {
  49     $params['perpage'] = $perpage;
  50 }
  51 if ($page > 0) {
  52     $params['page'] = $page;
  53 }
  54 admin_externalpage_setup('managetags', '', $params, '', array('pagelayout' => 'report'));
  55
  56 $PAGE->set_blocks_editing_capability('moodle/tag:editblocks');
  57
  58 switch($action) {
  59
  60     case 'delete':
  61         require_sesskey();
  62         if (!$tagschecked && $tagid) {
  63             $tagschecked = array($tagid);
  64         }
  65         tag_delete($tagschecked);
  66         redirect(new moodle_url($PAGE->url, array('notice' => 'deleted')));
  67         break;
  68
  69     case 'setflag':
  70         require_sesskey();
  71         tag_set_flag($tagid);
  72         redirect(new moodle_url($PAGE->url, array('notice' => 'flagged')));
  73         break;
  74
  75     case 'resetflag':
  76         require_sesskey();
  77         tag_unset_flag($tagid);
  78         redirect(new moodle_url($PAGE->url, array('notice' => 'resetflag')));
  79         break;
  80
  81     case 'changetype':
  82         require_sesskey();
  83         if ($tagtype === 'official' || $tagtype === 'default') {
  84             if (tag_type_set($tagid, $tagtype)) {
  85                 redirect(new moodle_url($PAGE->url, array('notice' => 'typechanged')));
  86             }
  87         }
  88         redirect($PAGE->url);
  89         break;
  90
  91     case 'addofficialtag':
  92         require_sesskey();
  93         $otagsadd = optional_param('otagsadd', '', PARAM_RAW);
  94         $newtags = preg_split('/\s*,\s*/', trim($otagsadd), -1, PREG_SPLIT_NO_EMPTY);
  95         $newtags = array_filter(tag_normalize($newtags, TAG_CASE_ORIGINAL));
  96         if (!$newtags) {
  97             redirect($PAGE->url);
  98         }
  99         foreach ($newtags as $newotag) {
 100             if ($newotagid = tag_get_id($newotag) ) {
 101                 // Tag exists, change the type.
 102                 tag_type_set($newotagid, 'official');
 103             } else {
 104                 tag_add($newotag, 'official');
 105             }
 106         }
 107         redirect(new moodle_url($PAGE->url, array('notice' => 'added')));
 108         break;
 109 }
 110
 111 echo $OUTPUT->header();
 112
 113 if ($notice && get_string_manager()->string_exists($notice, 'tag')) {
 114     echo $OUTPUT->notification(get_string($notice, 'tag'), 'notifysuccess');
 115 }
 116
 117 // Small form to add an official tag.
 118 print('<form class="tag-addtags-form" method="post" action="'.$CFG->wwwroot.'/tag/manage.php">');
 119 print('<input type="hidden" name="action" value="addofficialtag" />');
 120 print('<input type="hidden" name="perpage" value="'.$perpage.'" />');
 121 print('<input type="hidden" name="page" value="'.$page.'" />');
 122 print('<div class="tag-management-form generalbox"><label class="accesshide" for="id_otagsadd">' .
 123         get_string('addotags', 'tag') .'</label>'.
 124     '<input name="otagsadd" id="id_otagsadd" type="text" />'.
 125     '<input type="hidden" name="sesskey" value="'.sesskey().'">'.
 126     '<input name="addotags" value="'. get_string('addotags', 'tag') .
 127         '" onclick="skipClientValidation = true;" id="id_addotags" type="submit" />'.
 128     '</div>');
 129 print('</form>');
 130
 131 $table = new core_tag_manage_table();
 132 echo '<form class="tag-management-form" method="post" action="'.$CFG->wwwroot.'/tag/manage.php">';
 133 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
 134 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'action', 'value' => 'delete'));
 135 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'perpage', 'value' => $perpage));
 136 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'page', 'value' => $page));
 137 echo $table->out($perpage, true);
 138
 139 echo html_writer::start_tag('p');
 140 echo html_writer::tag('button', get_string('deleteselected', 'tag'),
 141         array('id' => 'tag-management-delete', 'type' => 'submit', 'class' => 'tagdeleteselected'));
 142 echo html_writer::end_tag('p');
 143 echo '</form>';
 144
 145 $totalcount = $table->totalcount;
 146 if ($perpage == SHOW_ALL_PAGE_SIZE) {
 147     echo html_writer::start_tag('div', array('id' => 'showall'));
 148     $params = array('perpage' => DEFAULT_PAGE_SIZE, 'page' => 0);
 149     $url = new moodle_url($PAGE->url, $params);
 150     echo html_writer::link($url, get_string('showperpage', '', DEFAULT_PAGE_SIZE));
 151     echo html_writer::end_tag('div');
 152 } else if ($totalcount > 0 and $perpage < $totalcount) {
 153     echo html_writer::start_tag('div', array('id' => 'showall'));
 154     $params = array('perpage' => SHOW_ALL_PAGE_SIZE, 'page' => 0);
 155     $url = new moodle_url($PAGE->url, $params);
 156     echo html_writer::link($url, get_string('showall', '', $totalcount));
 157     echo html_writer::end_tag('div');
 158 }
 159
 160 echo $OUTPUT->footer();