mod/resource/type/ims/finder.php

   1 <?php
   2     require_once('../../../../config.php');
   3     require_once('../../lib.php');
   4     require_once('resource.class.php');
   5     require_once('../../../../backup/lib.php');
   6     require_once('../../../../lib/filelib.php');
   7     require_once('../../../../lib/xmlize.php');
   8
   9     require_once('repository_config.php');
  10
  11 /// Directory to browse, inside repository. Starts on ''.
  12     $directory = optional_param ('directory', '', PARAM_PATH);
  13     $choose  = optional_param('choose', 'id_reference_value', PARAM_FILE);
  14
  15 /// Get the language strings needed
  16     $strdeployall = get_string('deployall','resource');
  17     $strpreview = get_string('preview','resource');
  18     $strchoose = get_string('choose','resource');
  19     $strdeploy = get_string('deploy','resource');
  20     $strnotdeployed = get_string('notdeployed','resource');
  21     $stremptyfolder = get_string('emptyfolder','resource');
  22
  23 /// Print header. Blank, nothing fancy.
  24     print_header();
  25
  26     $items = array();
  27 /// Open $directory
  28     if (!($repository_dir = opendir("$CFG->repository/$directory"))) die("Can't open directory \"$CFG->repository/$directory\"");
  29
  30 /// Loops though dir building a list of all relevent entries. Ignores files.
  31 /// Asks for deploy if admin user AND no serialized file found.
  32     while (false != ($filename = readdir($repository_dir))) {
  33         if ($filename != '.' && $filename != '..' && is_dir("$CFG->repository/$directory/$filename")) {
  34             unset($item);
  35             $item->type = '';
  36             $item->name = 0;
  37             $item->path = "$directory/$filename";
  38
  39         /// No manifest => normal, browsable directory.
  40             if (!file_exists("$CFG->repository/$item->path/imsmanifest.xml")) {
  41                 $item->type = 'directory';
  42                 $item->name = $filename;
  43             }
  44         /// Manifest, so IMS CP.
  45             else {
  46                 if (file_exists("$CFG->repository/$item->path/moodle_inx.ser")) {
  47                     $item->type = 'deployed';
  48                     $index = ims_load_serialized_file("$CFG->repository/$item->path/moodle_inx.ser");
  49                     $item->name = $index['title'];
  50                 }
  51                 else {
  52                     $item->type = 'not deployed';
  53                     $item->name = $filename;
  54                 }
  55             }
  56             $items[] = $item;
  57         }
  58     }
  59     closedir($repository_dir);
  60
  61 /// Prints the toolbar.
  62     echo '<div id="ims_toolbar" style="padding:10px;">';
  63     ims_print_crumbtrail($directory, $choose);
  64
  65 /// If admin, add extra buttons - redeploy & help.
  66     if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
  67         echo " | (<a href=\"repository_deploy.php?file=$directory&amp;all=force\">$strdeployall</a>) ";
  68         helpbutton("deploy", get_string("deployall", "resource"), "resource", true);
  69     }
  70     echo '</div>';
  71
  72 /// Prints the file list from list generated above.
  73     echo '<div id="ims_filelist">';
  74     ?>
  75     <script type="text/javascript">
  76         //<![CDATA[
  77         function set_value(txt) {
  78             opener.document.getElementById('<?php echo $choose ?>').value = txt;
  79             window.close();
  80         }
  81         //]]>
  82     </script>
  83     <?php
  84     echo '<ul style="list-style:none;padding:10px;margin:0px;">';
  85     if ($items != array()) {
  86
  87         foreach ($items as $item) {
  88             if ($item->type == 'deployed') {
  89                 echo "<li><img src=\"images/ims.gif\" alt=\"IMS CP Package\" /> $item->name" .
  90                      "(<a onclick=\"return set_value('#$item->path')\" href=\"#\">$strchoose</a>) " .
  91                      "(<a href=\"preview.php?directory=$item->path&amp;choose=$choose\">$strpreview</a>)</li>\n";
  92             }
  93             else if ($item->type == 'not deployed') {
  94             /// Only displays non-deployed IMS CP's if admin user.
  95                 if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
  96                     echo "<li><img src=\"images/ims.gif\" alt=\"IMS CP Package\" /> <em>$item->path - $strnotdeployed</em> (<a href=\"repository_deploy.php?file=$item->path\">$strdeploy</a>)</li>\n";
  97                 }
  98             }
  99             else if ($item->type == 'directory') {
 100                 echo "<li><img src=\"images/dir.gif\" alt=\"IMS CP Package\" /> <a href=\"?directory=$item->path&amp;choose=$choose\">$item->name</a></li>\n";
 101             }
 102         }
 103     }
 104     else {
 105         echo "<li><em>$stremptyfolder</em></li>";
 106     }
 107     echo "</ul>";
 108
 109 /// Print footer and exit.
 110     echo "</div></div></div></body></html>";
 111     exit;
 112
 113 /// Generates the crumbtrial from $directory. Just splits up on '/'.
 114     function ims_print_crumbtrail($directory, $choose='') {
 115         $strrepository = get_string('repository','resource');
 116
 117         $arr = explode('/', $directory);
 118         $last = array_pop($arr);
 119         if (trim($directory, '/') == '') {
 120             echo $strrepository;
 121             return;
 122         }
 123         else {
 124             $output = "<a href=\"?directory=&amp;choose=$choose\">$strrepository</a> &#187; ";
 125         }
 126         $itemdir = '';
 127         foreach ($arr as $item) {
 128             if ($item == '') continue;
 129             $itemdir .= '/'.$item;
 130             $output .= "<a href=\"?directory=$itemdir&amp;choose=$choose\">$item</a> &#187; ";
 131         }
 132         $output .= $last;
 133         echo $output;
 134     }
 135 ?>