blocks/search/block_search.php

   1 <?php
   2
   3 /** This is the global search shortcut block - a single query can be entered, and
   4  * the user will be redirected to the query page where they can enter more
   5  *  advanced queries, and view the results of their search. When searching from
   6  *  this block, the broadest possible selection of documents is searched.
   7  *
   8  * @package search
   9  * @subpackage search block
  10  * @author: Michael Champanis (mchampan), reengineered by Valery Fremaux
  11  * @date: 2006 06 25
  12  */
  13
  14 class block_search extends block_base {
  15
  16     function init() {
  17       $this->title = get_string('pluginname', 'block_search');
  18     } //init
  19
  20     // only one instance of this block is required
  21     function instance_allow_multiple() {
  22       return false;
  23     } //instance_allow_multiple
  24
  25     // label and button values can be set in admin
  26     function has_config() {
  27       return true;
  28     } //has_config
  29
  30     function get_content() {
  31       global $CFG;
  32
  33       if (empty($CFG->enableglobalsearch)) {
  34         return '';
  35       }
  36
  37       //cache block contents
  38       if ($this->content !== NULL) {
  39         return $this->content;
  40       } //if
  41
  42       $this->content = new stdClass;
  43
  44       //basic search form
  45       $this->content->text =
  46             '<form id="searchquery" method="get" action="'. $CFG->wwwroot .'/search/query.php"><div>'
  47           . '<label for="block_search_q">' . get_string('searchmoodle', 'block_search') . '</label>'
  48           . '<input id="block_search_q" type="text" name="query_string" />'
  49           . '<input type="submit" value="' . s(get_string('go', 'block_search')) . '" />'
  50           . '</div></form>';
  51
  52       //no footer, thanks
  53       $this->content->footer = '';
  54
  55       return $this->content;
  56     } //get_content
  57
  58     function specialisation() {
  59       //empty!
  60     } //specialisation
  61
  62     /**
  63      * wraps up to search engine cron
  64      */
  65     function cron(){
  66         global $CFG;
  67
  68         include($CFG->dirroot.'/search/cron.php');
  69     }
  70
  71   } //block_search
  72