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