tile.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2008 by Greg Gay & Joel Kronenberg        */
   6 /* Adaptive Technology Resource Centre / University of Toronto  */
   7 /* http://atutor.ca                                                                                             */
   8 /*                                                              */
   9 /* This program is free software. You can redistribute it and/or*/
  10 /* modify it under the terms of the GNU General Public License  */
  11 /* as published by the Free Software Foundation.                                */
  12 /****************************************************************/
  13 // $Id$
  14
  15 define('AT_INCLUDE_PATH', 'include/');
  16 require (AT_INCLUDE_PATH.'vitals.inc.php');
  17
  18 $path = array();
  19
  20 /* called at the start of en element */
  21 /* builds the $path array which is the path from the root to the current element */
  22 function startElement($parser, $name, $attrs) {
  23         global $path;
  24         array_push($path, $name);
  25 }
  26
  27 /* called when an element ends */
  28 /* removed the current element from the $path */
  29 function endElement($parser, $name) {
  30         global $my_data, $path, $tile_title, $tile_description, $tile_identifier;
  31
  32         if ($path == array('lom', 'general', 'title', 'langstring')) {
  33                 $tile_title = $my_data;
  34         } else if ($path == array('lom', 'general', 'description', 'langstring')) {
  35                 $tile_description = $my_data;
  36         } else if ($path == array('lom', 'general', 'identifier')) {
  37                 $tile_identifier = $my_data;
  38         }
  39
  40         $my_data = '';
  41         array_pop($path);
  42 }
  43
  44 /* called when there is character data within elements */
  45 /* constructs the $items array using the last entry in $path as the parent element */
  46 function characterData($parser, $data){
  47         global $my_data;
  48         $my_data .= $data;
  49 }
  50
  51 require (AT_INCLUDE_PATH.'header.inc.php');
  52
  53 ?>
  54 <form action="<?php echo $_SERVER['PHP_SELF']; ?>#search_results" method="get" name="form">
  55
  56 <div class="input-form" style="width: 40%">
  57         <div class="row">
  58                 <label for="words2"><?php echo _AT('search_words'); ?></label><br />
  59                 <input type="text" name="query" size="40" id="words2" value="<?php echo stripslashes(htmlspecialchars($_GET['query'])); ?>" />
  60         </div>
  61
  62         <div class="row">
  63                 <?php echo _AT('search_in'); ?><br />
  64
  65                 <input type="radio" name="field" value="anyField" id="taf" <?php if (!isset($_GET['field']) || ($_GET['field'] == 'anyField')) { echo 'checked="checked"'; } ?> /><label for="taf"><?php echo _AT('tile_any_field'); ?></label><br />
  66                 <input type="radio" name="field" value="title" id="tt" <?php if ($_GET['field'] == 'title') { echo 'checked="checked"'; } ?> /><label for="tt"><?php echo _AT('title'); ?></label><br />
  67                 <input type="radio" name="field" value="author" id="ta" <?php if ($_GET['field'] == 'author') { echo 'checked="checked"'; } ?> /><label for="ta"><?php echo _AT('tile_author'); ?></label><br />
  68                 <input type="radio" name="field" value="subject" id="tk" <?php if ($_GET['field'] == 'subject') { echo 'checked="checked"'; } ?> /><label for="tk"><?php echo _AT('tile_keyword'); ?></label><br />
  69                 <input type="radio" name="field" value="description" id="td" <?php if ($_GET['field'] == 'description') { echo 'checked="checked"'; } ?> /><label for="td"><?php echo _AT('description'); ?></label><br />
  70                 <input type="radio" name="field" value="technicalFormat" id="tf" <?php if ($_GET['field'] == 'technicalFormat') { echo 'checked="checked"'; } ?> /><label for="tf"><?php echo _AT('tile_technical_format'); ?></label>
  71         </div>
  72
  73         <div class="row buttons">
  74                 <input type="submit" name="submit" value="<?php echo _AT('search'); ?>" />
  75         </div>
  76 </div>
  77 </form>
  78 <br />
  79 <?php
  80
  81 if (isset($_GET['query'])) {
  82
  83         if (!extension_loaded('soap')) {
  84                 require(AT_INCLUDE_PATH . 'classes/nusoap.php');
  85                 // Create the client instance
  86                 $client = new nusoapclient(AT_TILE_WSDL, true);
  87
  88                 // Check for an error
  89                 $error = $client->getError();
  90                 if ($error) {
  91                         // Display the error
  92
  93                         $msg->addError('TILE_UNAVAILABLE');
  94                         $msg->printAll();
  95
  96                         require(AT_INCLUDE_PATH.'footer.inc.php');
  97                         exit;
  98                 }
  99
 100                 // Create the proxy
 101                 $proxy = $client->getProxy();
 102         } else {
 103                 // Create the client instance
 104                 $proxy = new soapclient(AT_TILE_WSDL);
 105         }
 106
 107         $search_input = array('query' => $_GET['query'], 'field' => $_GET['field'], 'content' => 'contentPackage');
 108
 109         $results = $proxy->doSearch($search_input);
 110
 111
 112         if ($results) {
 113                 $num_results = count($results);
 114         } else {
 115                 $num_results = 0;
 116         }
 117         echo '<h3>'. _AT('results_found', $num_results).'</h3>';
 118         if ($num_results) {
 119                 echo '<ol>';
 120                 foreach ($results as $result) {
 121
 122                         $xml_parser = xml_parser_create();
 123
 124                         xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, false); /* conform to W3C specs */
 125                         xml_set_element_handler($xml_parser, 'startElement', 'endElement');
 126                         xml_set_character_data_handler($xml_parser, 'characterData');
 127
 128                         if (!xml_parse($xml_parser, $result, true)) {
 129                                 die(sprintf("XML error: %s at line %d",
 130                                                         xml_error_string(xml_get_error_code($xml_parser)),
 131                                                         xml_get_current_line_number($xml_parser)));
 132                         }
 133
 134                         xml_parser_free($xml_parser);
 135
 136                         $tile_title = str_replace('<', '&lt;', $tile_title);
 137
 138                         echo '<li><strong>' . $tile_title . '</strong> - ';
 139                         echo '<a href="'.AT_TILE_PREVIEW .'cp='.$tile_identifier.'&item='.$tile_identifier.'" target="_new">'._AT('preview').'</a>';
 140                         echo ' | <a href="'.AT_TILE_EXPORT.'?cp='.$tile_identifier.'">'._AT('download').'</a>';
 141                         echo '<br />';
 142                         if (strlen($tile_description) > 200) {
 143                                 echo '<small>' . $tile_description  . '</small>';
 144                         } else {
 145                                 echo $tile_description;
 146                         }
 147
 148                         echo '<br /></li>';
 149
 150                         unset($tile_title);
 151                         unset($tile_description);
 152                         unset($tile_identifier);
 153                 }
 154                 echo '</ol>';
 155         }
 156 }
 157         require(AT_INCLUDE_PATH.'footer.inc.php');
 158 ?>