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
  14     function get_type() {
  15         return PAGE_TAG_INDEX;
  16     }
  17
  18     function user_allowed_editing() {
  19
  20     $systemcontext   = get_context_instance(CONTEXT_SYSTEM);
  21     return has_capability('moodle/tag:editblocks', $systemcontext);
  22
  23     }
  24
  25     function user_is_editing() {
  26         global $USER;
  27
  28         return (!empty($USER->editing));
  29     }
  30
  31
  32     function url_get_path() {
  33         global $CFG;
  34         return $CFG->wwwroot.'/tag/index.php';
  35
  36     }
  37
  38     function url_get_parameters() {
  39         $param = array();
  40         $param['id'] = $this->id;
  41         return $param;
  42     }
  43
  44     function blocks_default_position() {
  45         return BLOCK_POS_LEFT;
  46     }
  47
  48     function blocks_get_positions() {
  49         return array(BLOCK_POS_LEFT, BLOCK_POS_RIGHT);
  50     }
  51
  52     function blocks_move_position(&$instance, $move) {
  53         if($instance->position == BLOCK_POS_LEFT && $move == BLOCK_MOVE_RIGHT) {
  54             return BLOCK_POS_RIGHT;
  55         } else if ($instance->position == BLOCK_POS_RIGHT && $move == BLOCK_MOVE_LEFT) {
  56             return BLOCK_POS_LEFT;
  57         }
  58         return $instance->position;
  59     }
  60
  61     function get_format_name() {
  62
  63         return TAG_FORMAT;
  64     }
  65
  66     //-----------  printing funtions -----------
  67
  68     function print_header() {
  69
  70         global $USER, $CFG;
  71
  72         $tag = $this->tag_object;
  73
  74         $tagname  = tag_display_name($tag);
  75
  76         $navlinks = array();
  77         $navlinks[] = array('name' => get_string('tags', 'tag'), 'link' => "{$CFG->wwwroot}/tag/search.php", 'type' => '');
  78         $navlinks[] = array('name' => $tagname, 'link' => '', 'type' => '');
  79
  80         $navigation = build_navigation($navlinks);
  81         $title      = get_string('tag', 'tag') . ' - ' . $tagname;
  82
  83         $button = '';
  84         if( $this->user_allowed_editing() ) {
  85             $button     = update_tag_button($this->id);
  86         }
  87         print_header_simple($title, '', $navigation, '', '', '', $button);
  88
  89
  90     }
  91
  92     function print_footer() {
  93
  94         print_footer();
  95
  96     }
  97
  98
  99 }
 100
 101 page_map_class(PAGE_TAG_INDEX, 'page_tag');
 102
 103
 104 ?>