tag/pagelib.php

   1 <?php
   2
   3 require_once($CFG->libdir.'/pagelib.php');
   4 require_once('lib.php');
   5
   6 define('PAGE_TAG_INDEX', 'tag-index');
   7 define('TAG_FORMAT', 'tag');
   8
   9 class page_tag extends page_base {
  10
  11     var $tag_object = NULL;
  12
  13     function get_type() {
  14         return PAGE_TAG_INDEX;
  15     }
  16
  17     function user_allowed_editing() {
  18         $systemcontext = get_context_instance(CONTEXT_SYSTEM);
  19         return has_capability('moodle/tag:editblocks', $systemcontext);
  20     }
  21
  22     function user_is_editing() {
  23         global $USER;
  24
  25         return (!empty($USER->editing));
  26     }
  27
  28
  29     function url_get_path() {
  30         global $CFG;
  31         return $CFG->wwwroot.'/tag/index.php';
  32
  33     }
  34
  35     function url_get_parameters() {
  36         $param = array();
  37         $param['id'] = $this->id;
  38         return $param;
  39     }
  40
  41     function blocks_default_position() {
  42         return BLOCK_POS_LEFT;
  43     }
  44
  45     function blocks_get_positions() {
  46         return array(BLOCK_POS_LEFT, BLOCK_POS_RIGHT);
  47     }
  48
  49     function blocks_move_position(&$instance, $move) {
  50         if($instance->position == BLOCK_POS_LEFT && $move == BLOCK_MOVE_RIGHT) {
  51             return BLOCK_POS_RIGHT;
  52         } else if ($instance->position == BLOCK_POS_RIGHT && $move == BLOCK_MOVE_LEFT) {
  53             return BLOCK_POS_LEFT;
  54         }
  55         return $instance->position;
  56     }
  57
  58     function get_format_name() {
  59         return TAG_FORMAT;
  60     }
  61
  62     //-----------  printing funtions -----------
  63
  64     function print_header() {
  65
  66         global $USER, $CFG;
  67
  68         $tagname = tag_display_name($this->tag_object);
  69
  70         $navlinks = array();
  71         $navlinks[] = array('name' => get_string('tags', 'tag'), 'link' => "{$CFG->wwwroot}/tag/search.php", 'type' => '');
  72         $navlinks[] = array('name' => $tagname, 'link' => '', 'type' => '');
  73
  74         $navigation = build_navigation($navlinks);
  75         $title = get_string('tag', 'tag') .' - '. $tagname;
  76
  77         $button = '';
  78         if( $this->user_allowed_editing() ) {
  79             $button = update_tag_button($this->id);
  80         }
  81         print_header_simple($title, '', $navigation, '', '', '', $button);
  82     }
  83
  84     function print_footer() {
  85         print_footer();
  86     }
  87 }
  88
  89 page_map_class(PAGE_TAG_INDEX, 'page_tag');
  90
  91 ?>