prefix .'tag_instance ti INNER JOIN '. $CFG->prefix .'tag tg ON tg.id = ti.tagid '. 'WHERE ti.itemtype != \'tag\' '. 'GROUP BY tg.id, tg.rawname, tg.name, tg.flag, tg.tagtype '. 'ORDER BY count DESC, tg.name ASC', 0, $nr_of_tags) ) { $tagsincloud = array(); } $tagkeys = array_keys($tagsincloud); if (!empty($tagkeys)) { $firsttagkey = $tagkeys[0]; $maxcount = $tagsincloud[$firsttagkey]->count; } $etags = array(); foreach ($tagsincloud as $tag) { $size = (int) (( $tag->count / $maxcount) * 20); $tag->class = "$tag->tagtype s$size"; $etags[] = $tag; } usort($etags, "tag_cloud_sort"); $output = ''; $output .= "\n\n"; if ($return) { return $output; } else { echo $output; } } /** * This function is used by print_tag_cloud, to usort() the tags in the cloud. * See php.net/usort for the parameters documentation. This was originally in * blocks/blog_tags/block_blog_tags.php, named blog_tags_sort(). */ function tag_cloud_sort($a, $b) { global $CFG; if (empty($CFG->tagsort)) { $tagsort = 'name'; // by default, sort by name } else { $tagsort = $CFG->tagsort; } if (is_numeric($a->$tagsort)) { return ($a->$tagsort == $b->$tagsort) ? 0 : ($a->$tagsort > $b->$tagsort) ? 1 : -1; } elseif (is_string($a->$tagsort)) { return strcmp($a->$tagsort, $b->$tagsort); } else { return 0; } } /** * Prints a box with the description of a tag and its related tags * * @param unknown_type $tag_object * @param $return if true return html string */ function tag_print_description_box($tag_object, $return=false) { global $USER, $CFG; $max_tags_displayed = 10; // todo: turn this into a system setting $tagname = tag_display_name($tag_object); $related_tags = tag_get_related_tags($tag_object->id, TAG_RELATED_ALL, $max_tags_displayed+1); // this gets one more than we want $content = !empty($tag_object->description) || $related_tags; $output = ''; if ($content) { $output .= print_box_start('generalbox', 'tag-description', true); } if (!empty($tag_object->description)) { $options = new object(); $options->para = false; $output .= format_text($tag_object->description, $tag_object->descriptionformat, $options); } if ($related_tags) { $more_links = false; if (count($related_tags) > $max_tags_displayed) { array_pop($related_tags); $more_links = true; } $output .= '

'. get_string('relatedtags', 'tag') .': '. tag_get_related_tags_csv($related_tags); if ($more_links) { $output .= ' ...'; } } if ($content) { $output .= print_box_end(true); } if ($return) { return $output; } else { echo $output; } } /** * Prints a box that contains the management links of a tag * * @param $tagid * @param $return if true return html string */ function tag_print_management_box($tag_object, $return=false) { global $USER, $CFG; $tagname = tag_display_name($tag_object); $output = ''; if (!isguestuser()) { $output .= print_box_start('box','tag-management-box', true); $systemcontext = get_context_instance(CONTEXT_SYSTEM); $links = array(); // Add a link for users to add/remove this from their interests if (tag_record_tagged_with('user', $USER->id, $tag_object->name)) { $links[] = ''. get_string('removetagfrommyinterests', 'tag', $tagname) .''; } else { $links[] = ''. get_string('addtagtomyinterests', 'tag', $tagname) .''; } // flag as inappropriate link $links[] = ''. get_string('flagasinappropriate', 'tag', rawurlencode($tagname)) .''; // Edit tag: Only people with moodle/tag:edit capability who either have it as an interest or can manage tags if (has_capability('moodle/tag:edit', $systemcontext) || has_capability('moodle/tag:manage', $systemcontext)) { $links[] = ''. get_string('edittag', 'tag') .''; } $output .= implode(' | ', $links); $output .= print_box_end(true); } if ($return) { return $output; } else { echo $output; } } /** * Prints the tag search box * * @param bool $return if true return html string */ function tag_print_search_box($return=false) { global $CFG; $output = print_box_start('','tag-search-box', true); $output .= '
'; $output .= '
'; $output .= ''; $output .= '
'; $output .= '
'; $output .= '
'; $output .= print_box_end(true); if ($return) { return $output; } else { echo $output; } } /** * Prints the tag search results * * @param string $query text that tag names will be matched against * @param int $page current page * @param int $perpage nr of users displayed per page * @param $return if true return html string */ function tag_print_search_results($query, $page, $perpage, $return=false) { global $CFG, $USER; $query = array_shift(tag_normalize($query, TAG_CASE_ORIGINAL)); $count = sizeof(tag_find_tags($query, false)); $tags = array(); if ( $found_tags = tag_find_tags($query, true, $page * $perpage, $perpage) ) { $tags = array_values($found_tags); } $baseurl = $CFG->wwwroot.'/tag/search.php?query='. rawurlencode($query); $output = ''; // link "Add $query to my interests" $addtaglink = ''; if( !tag_record_tagged_with('user', $USER->id, $query) ) { $addtaglink = ''; $addtaglink .= get_string('addtagtomyinterests', 'tag', htmlspecialchars($query)) .''; } if ( !empty($tags) ) { // there are results to display!! $output .= print_heading(get_string('searchresultsfor', 'tag', htmlspecialchars($query)) ." : {$count}", '', 3, 'main', true); //print a link "Add $query to my interests" if (!empty($addtaglink)) { $output .= print_box($addtaglink, 'box', 'tag-management-box', true); } $nr_of_lis_per_ul = 6; $nr_of_uls = ceil( sizeof($tags) / $nr_of_lis_per_ul ); $output .= ''; $output .= '
 
'; // <-- small layout hack in order to look good in Firefox $output .= print_paging_bar($count, $page, $perpage, $baseurl .'&', 'page', false, true); } else { //no results were found!! $output .= print_heading(get_string('noresultsfor', 'tag', htmlspecialchars($query)), '', 3, 'main' , true); //print a link "Add $query to my interests" if (!empty($addtaglink)) { $output .= print_box($addtaglink, 'box', 'tag-management-box', true); } } if ($return) { return $output; } else { echo $output; } } /** * Prints a table of the users tagged with the tag passed as argument * * @param $tag_object * @param int $users_per_row number of users per row to display * @param int $limitfrom prints users starting at this point (optional, required if $limitnum is set). * @param int $limitnum prints this many users (optional, required if $limitfrom is set). * @param $return if true return html string */ function tag_print_tagged_users_table($tag_object, $limitfrom='' , $limitnum='', $return=false) { //List of users with this tag $userlist = tag_find_records($tag_object->name, 'user', $limitfrom, $limitnum); $output = tag_print_user_list($userlist, true); if ($return) { return $output; } else { echo $output; } } /** * Prints an individual user box * * @param $user user object (contains the following fields: id, firstname, lastname and picture) * @param $return if true return html string */ function tag_print_user_box($user, $return=false) { global $CFG; $textlib = textlib_get_instance(); $usercontext = get_context_instance(CONTEXT_USER, $user->id); $profilelink = ''; if ( has_capability('moodle/user:viewdetails', $usercontext) || isteacherinanycourse($user->id) ) { $profilelink = $CFG->wwwroot .'/user/view.php?id='. $user->id; } $output = print_box_start('user-box', 'user'. $user->id, true); $fullname = fullname($user); $alt = ''; if (!empty($profilelink)) { $output .= ''; $alt = $fullname; } //print user image - if image is only content of link it needs ALT text! if ($user->picture) { $output .= ''. $alt .''; } else { $output .= ''. $alt .''; } $output .= '
'; if (!empty($profilelink)) { $output .= '
'; } //truncate name if it's too big if ($textlib->strlen($fullname) > 26) { $fullname = $textlib->substr($fullname, 0, 26) .'...'; } $output .= ''. $fullname .''; $output .= print_box_end(true); if ($return) { return $output; } else { echo $output; } } /** * Prints a list of users * * @param array $userlist an array of user objects * @param $return if true return html string */ function tag_print_user_list($userlist, $return=false) { $output = '\n"; if ($return) { return $output; } else { echo $output; } } ?>