tag/index.php

   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 /**
  19  * @package    core_tag
  20  * @category   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('lib.php');
  27 require_once('locallib.php');
  28 require_once($CFG->dirroot.'/lib/weblib.php');
  29 require_once($CFG->dirroot.'/blog/lib.php');
  30
  31 require_login();
  32
  33 if (empty($CFG->usetags)) {
  34     print_error('tagsaredisabled', 'tag');
  35 }
  36
  37 $tagid       = optional_param('id', 0, PARAM_INT); // tag id
  38 $tagname     = optional_param('tag', '', PARAM_TAG); // tag
  39
  40 $edit        = optional_param('edit', -1, PARAM_BOOL);
  41 $userpage    = optional_param('userpage', 0, PARAM_INT); // which page to show
  42 $perpage     = optional_param('perpage', 24, PARAM_INT);
  43
  44 $systemcontext   = context_system::instance();
  45
  46 if ($tagname) {
  47     $tag = tag_get('name', $tagname, '*');
  48 } else if ($tagid) {
  49     $tag = tag_get('id', $tagid, '*');
  50 }
  51 unset($tagid);
  52 if (empty($tag)) {
  53     redirect($CFG->wwwroot.'/tag/search.php');
  54 }
  55
  56 $PAGE->set_url('/tag/index.php', array('id' => $tag->id));
  57 $PAGE->set_subpage($tag->id);
  58 $PAGE->set_context($systemcontext);
  59 $tagnode = $PAGE->navigation->find('tags', null);
  60 $tagnode->make_active();
  61 $PAGE->set_pagelayout('standard');
  62 $PAGE->set_blocks_editing_capability('moodle/tag:editblocks');
  63
  64 if (($edit != -1) and $PAGE->user_allowed_editing()) {
  65     $USER->editing = $edit;
  66 }
  67
  68 $tagname = tag_display_name($tag);
  69 $title = get_string('tag', 'tag') .' - '. $tagname;
  70
  71 $button = '';
  72 if ($PAGE->user_allowed_editing() ) {
  73     $button = $OUTPUT->edit_button(new moodle_url("$CFG->wwwroot/tag/index.php", array('id' => $tag->id)));
  74 }
  75
  76 $PAGE->navbar->add($tagname);
  77 $PAGE->set_title($title);
  78 $PAGE->set_heading($COURSE->fullname);
  79 $PAGE->set_button($button);
  80 $courserenderer = $PAGE->get_renderer('core', 'course');
  81 echo $OUTPUT->header();
  82
  83 // Manage all tags links
  84 if (has_capability('moodle/tag:manage', $systemcontext)) {
  85     echo '<div class="managelink"><a href="'. $CFG->wwwroot .'/tag/manage.php">'. get_string('managetags', 'tag') .'</a></div>' ;
  86 }
  87
  88 $tagname  = tag_display_name($tag);
  89
  90 if ($tag->flag > 0 && has_capability('moodle/tag:manage', $systemcontext)) {
  91     $tagname =  '<span class="flagged-tag">' . $tagname . '</span>';
  92 }
  93
  94 echo $OUTPUT->heading($tagname, 2);
  95 tag_print_management_box($tag);
  96 tag_print_description_box($tag);
  97 // Check what type of results are avaialable
  98 require_once($CFG->dirroot.'/tag/coursetagslib.php');
  99 $courses = $courserenderer->tagged_courses($tag->id);
 100
 101 if (!empty($CFG->enableblogs) && has_capability('moodle/blog:view', $systemcontext)) {
 102     require_once($CFG->dirroot.'/blog/lib.php');
 103     require_once($CFG->dirroot.'/blog/locallib.php');
 104
 105     $bloglisting = new blog_listing(array('tag' => $tag->id));
 106     $limit = 10;
 107     $start = 0;
 108     $blogs = $bloglisting->get_entries($start, $limit);
 109 }
 110 $usercount = tag_record_count('user', $tag->id);
 111
 112 // Only include <a href />'s to those anchors that actually will be shown
 113 $relatedpageslink = "";
 114 $countanchors = 0;
 115 if (!empty($courses)) {
 116     $relatedpageslink = '<a href="#course">'.get_string('courses').'</a>';
 117     $countanchors++;
 118 }
 119 if (!empty($blogs)) {
 120     if ($countanchors > 0) {
 121         $relatedpageslink .= ' | ';
 122     }
 123     $relatedpageslink .= '<a href="#blog">'.get_string('relatedblogs', 'tag').'</a>';
 124     $countanchors++;
 125 }
 126 if ($usercount > 0) {
 127     if ($countanchors > 0) {
 128         $relatedpageslink .= ' | ';
 129     }
 130     $relatedpageslink .= '<a href="#user">'.get_string('users').'</a>';
 131     $countanchors++;
 132 }
 133 // If only one anchor is present, no <a href /> is needed
 134 if ($countanchors == 0) {
 135     echo '<div class="relatedpages"><p>'.get_string('noresultsfor', 'tag', $tagname).'</p></div>';
 136 } elseif ($countanchors > 1) {
 137     echo '<div class="relatedpages"><p>'.$relatedpageslink.'</p></div>';
 138 }
 139
 140 // Display courses tagged with the tag
 141 if (!empty($courses)) {
 142
 143     echo $OUTPUT->box_start('generalbox', 'tag-blogs'); //could use an id separate from tag-blogs, but would have to copy the css style to make it look the same
 144
 145     echo "<a name='course'></a>";
 146     echo $courses;
 147
 148     echo $OUTPUT->box_end();
 149 }
 150
 151 // Print up to 10 previous blogs entries
 152
 153 if (!empty($blogs)) {
 154     echo $OUTPUT->box_start('generalbox', 'tag-blogs');
 155     $heading = get_string('relatedblogs', 'tag', $tagname). ' ' . get_string('taggedwith', 'tag', $tagname);
 156     echo "<a name='blog'></a>";
 157     echo $OUTPUT->heading($heading, 3);
 158
 159     echo '<ul id="tagblogentries">';
 160     foreach ($blogs as $blog) {
 161         if ($blog->publishstate == 'draft') {
 162             $class = 'class="dimmed"';
 163         } else {
 164             $class = '';
 165         }
 166         echo '<li '.$class.'>';
 167         echo '<a '.$class.' href="'.$CFG->wwwroot.'/blog/index.php?entryid='.$blog->id.'">';
 168         echo format_string($blog->subject);
 169         echo '</a>';
 170         echo ' - ';
 171         echo '<a '.$class.' href="'.$CFG->wwwroot.'/user/view.php?id='.$blog->userid.'">';
 172         echo fullname($blog);
 173         echo '</a>';
 174         echo ', '. userdate($blog->lastmodified);
 175         echo '</li>';
 176     }
 177     echo '</ul>';
 178
 179     $allblogsurl = new moodle_url('/blog/index.php', array('tagid' => $tag->id));
 180     echo '<p class="moreblogs"><a href="'.$allblogsurl->out().'">'.get_string('seeallblogs', 'tag', $tagname).'</a></p>';
 181
 182     echo $OUTPUT->box_end();
 183 }
 184
 185 if ($usercount > 0) {
 186
 187     //user table box
 188     echo $OUTPUT->box_start('generalbox', 'tag-user-table');
 189
 190     $heading = get_string('users'). ' ' . get_string('taggedwith', 'tag', $tagname) . ': ' . $usercount;
 191     echo "<a name='user'></a>";
 192     echo $OUTPUT->heading($heading, 3);
 193
 194     $baseurl = new moodle_url('/tag/index.php', array('id' => $tag->id));
 195     $pagingbar = new paging_bar($usercount, $userpage, $perpage, $baseurl);
 196     $pagingbar->pagevar = 'userpage';
 197     echo $OUTPUT->render($pagingbar);
 198     tag_print_tagged_users_table($tag, $userpage * $perpage, $perpage);
 199     echo $OUTPUT->box_end();
 200 }
 201
 202 echo $OUTPUT->footer();