tag/coursetags_edit.php

   1 <?php
   2
   3 /**
   4  * coursetags_edit.php
   5  * displays personal tags for a course with some editing facilites
   6  * @author j.beedell@open.ac.uk June07
   7  */
   8
   9 require_once('../config.php');
  10 require_once($CFG->dirroot.'/tag/coursetagslib.php');
  11 require_once($CFG->dirroot.'/tag/lib.php');
  12
  13 $courseid = optional_param('courseid', 0, PARAM_INT);
  14 $keyword = optional_param('coursetag_new_tag', '', PARAM_TEXT);
  15 $deltag = optional_param('del_tag', 0, PARAM_INT);
  16
  17 $url = new moodle_url('/tag/coursetags_edit.php');
  18 if ($courseid !== 0) {
  19     $url->param('courseid', $courseid);
  20 }
  21 if ($keyword !== '') {
  22     $url->param('coursetag_new_tag', $keyword);
  23 }
  24 if ($deltag !== 0) {
  25     $url->param('del_tag', $deltag);
  26 }
  27 $PAGE->set_url($url);
  28
  29 require_login();
  30
  31 if (empty($CFG->usetags)) {
  32     print_error('tagsaredisabled', 'tag');
  33 }
  34
  35 if ($courseid != SITEID) {
  36     if (! ($course = $DB->get_record('course', array('id' => $courseid), '*')) ) {
  37         print_error('invalidcourse');
  38     }
  39 } else {
  40     print_error('errortagfrontpage', 'tag');
  41 }
  42
  43 // Permissions
  44 $sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
  45 require_login($course->id);
  46 $canedit = has_capability('moodle/tag:create', $sitecontext);
  47
  48 // Language strings
  49 $tagslang = 'block_tags';
  50
  51 // Store data
  52 if ($data = data_submitted()) {
  53     if (confirm_sesskey() and $courseid > 0 and $USER->id > 0 and $canedit) {
  54         // store personal tag
  55         if (trim(strip_tags($keyword))) {
  56             $myurl = 'tag/search.php';
  57             $keywords = explode(',', $keyword);
  58             coursetag_store_keywords($keywords, $courseid, $USER->id, 'default', $myurl);
  59         }
  60         // delete personal tag
  61         if ($deltag > 0) {
  62             coursetag_delete_keyword($deltag, $USER->id, $courseid);
  63         }
  64     }
  65 }
  66
  67 // The title and breadcrumb
  68 $title = get_string('edittitle', $tagslang);
  69 $coursefullname = format_string($course->fullname);
  70 $courseshortname = format_string($course->shortname, true, array('context' => get_context_instance(CONTEXT_COURSE, $course->id)));
  71 $PAGE->navbar->add($title);
  72 $PAGE->set_title($title);
  73 $PAGE->set_heading($course->fullname);
  74 $PAGE->set_cacheable(false);
  75 echo $OUTPUT->header();
  76
  77     // Print personal tags for all courses
  78     $title = get_string('edittitle', $tagslang);
  79     echo $OUTPUT->heading($title, 2, 'mdl-align');
  80
  81     $mytags = coursetag_print_cloud(coursetag_get_tags(0, $USER->id, 'default'), true);
  82     $outstr = '
  83         <div class="coursetag_edit_centered">
  84             <div>
  85                 '.get_string('editmytags', $tagslang).'
  86             </div>
  87             <div>';
  88
  89     if ($mytags) {
  90         $outstr .= $mytags;
  91     } else {
  92         $outstr .= get_string('editnopersonaltags', $tagslang);
  93     }
  94
  95     $outstr .= '
  96             </div>
  97         </div>';
  98     echo $outstr;
  99
 100     // Personal tag editing
 101     if ($canedit) {
 102         $title = get_string('editmytagsfor', $tagslang, '"'.$coursefullname.' ('.$courseshortname.')"');
 103         echo $OUTPUT->heading($title, 2, 'main mdl-align');
 104
 105         // Deletion here is open to the users own tags for this course only
 106         $selectoptions = '<option value="0">'.get_string('select', $tagslang).'</option>';
 107         $coursetabs = '';
 108         if ($options = coursetag_get_records($courseid, $USER->id)) {
 109             $coursetabs = '"';
 110             foreach ($options as $option) {
 111                 $selectoptions .= '<option value="'.$option->id.'">'.$option->rawname.'</option>';
 112                 $coursetabs .= $option->rawname . ', ';
 113             }
 114             $coursetabs = rtrim($coursetabs, ', ');
 115             $coursetabs .= '"';
 116         }
 117         if ($coursetabs) {
 118             $outstr = '
 119             <div class="coursetag_edit_centered">
 120                 '.get_string('editthiscoursetags', $tagslang, $coursetabs).'
 121             </div>';
 122         } else {
 123             $outstr = '
 124             <div class="coursetag_edit_centered">
 125                 '.get_string('editnopersonaltags', $tagslang).'
 126             </div>';
 127         }
 128
 129         // Print the add and delete form
 130         coursetag_get_jscript();
 131         $edittagthisunit = get_string('edittagthisunit', $tagslang);
 132         $arrowtitle = get_string('arrowtitle', $tagslang);
 133         $sesskey = sesskey();
 134         $leftarrow = $OUTPUT->pix_url('t/arrow_left');
 135         $outstr .= <<<EOT
 136             <form action="$CFG->wwwroot/tag/coursetags_edit.php" method="post" id="coursetag">
 137                 <div style="display: none;">
 138                     <input type="hidden" name="courseid" value="$course->id" />
 139                     <input type="hidden" name="sesskey" value="$sesskey" />
 140                 </div>
 141                 <div class="coursetag_edit_centered">
 142                     <div class="coursetag_edit_row">
 143                         <div class="coursetag_edit_left">
 144                             $edittagthisunit
 145                         </div>
 146                         <div class="coursetag_edit_right">
 147                             <div class="coursetag_form_input1">
 148                                 <input type="text" name="coursetag_sug_keyword" class="coursetag_form_input1a" disabled="disabled" />
 149                             </div>
 150                             <div class="coursetag_form_input2">
 151                                 <input type="text" name="coursetag_new_tag" id="coursetag_new_tag" class="coursetag_form_input2a"
 152                                     onfocus="ctags_getKeywords()" onkeyup="ctags_getKeywords()" maxlength="50" />
 153                             </div>
 154                             <div class="coursetag_edit_input3" id="coursetag_sug_btn">
 155                                 <a title="$arrowtitle">
 156                                     <img src="$leftarrow" width="10" height="10" alt="enter" onclick="ctags_setKeywords()" />
 157                                 </a>
 158                             </div>
 159                         </div>
 160                     </div>
 161 EOT;
 162         if ($coursetabs) {
 163             $editdeletemytag = get_string('editdeletemytag', $tagslang);
 164             $outstr .= <<<EOT1
 165                     <div class="coursetag_edit_row">
 166                         <div class="coursetag_edit_left">
 167                             $editdeletemytag
 168                         </div>
 169                         <div class="coursetag_edit_right">
 170                             <select name="del_tag">
 171                                 $selectoptions
 172                             </select>
 173                         </div>
 174                     </div>
 175 EOT1;
 176         }
 177         $submitstr = get_string('submit');
 178         $outstr .= <<<EOT2
 179                     <div class="clearer"></div>
 180                     <div class="coursetag_edit_row">
 181                         <button type="submit">$submitstr</button>
 182                     </div>
 183                 </div>
 184             </form>
 185 EOT2;
 186         echo $outstr;
 187     }
 188
 189 echo $OUTPUT->footer();