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     $name  = optional_param('name', 'id_name', PARAM_FILE);
  15
  16 /// Get the language strings needed
  17     $strdeployall = get_string('deployall','resource');
  18     $strpreview = get_string('preview','resource');
  19     $strchoose = get_string('choose','resource');
  20     $strdeploy = get_string('deploy','resource');
  21     $strnotdeployed = get_string('notdeployed','resource');
  22     $stremptyfolder = get_string('emptyfolder','resource');
  23
  24 /// Print header. Blank, nothing fancy.
  25     print_header();
  26
  27     $items = array();
  28 /// Open $directory
  29     if (!($repository_dir = opendir("$CFG->repository/$directory"))) die("Can't open directory \"$CFG->repository/$directory\"");
  30
  31 /// Loops though dir building a list of all relevent entries. Ignores files.
  32 /// Asks for deploy if admin user AND no serialized file found.
  33     while (false !== ($filename = readdir($repository_dir))) {
  34         if ($filename != '.' && $filename != '..' && is_dir("$CFG->repository/$directory/$filename")) {
  35             unset($item);
  36             $item->type = '';
  37             $item->name = 0;
  38             $item->path = "$directory/$filename";
  39
  40         /// No manifest => normal, browsable directory.
  41             if (!file_exists("$CFG->repository/$item->path/imsmanifest.xml")) {
  42                 $item->type = 'directory';
  43                 $item->name = $filename;
  44             }
  45         /// Manifest, so IMS CP.
  46             else {
  47                 if (file_exists("$CFG->repository/$item->path/moodle_inx.ser")) {
  48                     $item->type = 'deployed';
  49                     $index = ims_load_serialized_file("$CFG->repository/$item->path/moodle_inx.ser");
  50                     $item->name = $index['title'];
  51                 }
  52                 else {
  53                     $item->type = 'not deployed';
  54                     $item->name = $filename;
  55                 }
  56             }
  57             $items[] = $item;
  58         }
  59     }
  60     closedir($repository_dir);
  61
  62 /// Prints the toolbar.
  63     echo '<div id="ims_toolbar" style="padding:10px;">';
  64     ims_print_crumbtrail($directory, $choose);
  65
  66 /// If admin, add extra buttons - redeploy & help.
  67     if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
  68         echo " | (<a href=\"repository_deploy.php?file=$directory&amp;all=force\">$strdeployall</a>) ";
  69         helpbutton("deploy", get_string("deployall", "resource"), "resource", true);
  70     }
  71     echo '</div>';
  72
  73 /// Prints the file list from list generated above.
  74     echo '<div id="ims_filelist">';
  75     ?>
  76     <script type="text/javascript">
  77         //<![CDATA[
  78         function set_opener_value(field, txt, force) {
  79             if (opener.document.getElementById(field)) {
  80                 if (force || !opener.document.getElementById(field).value) {
  81                     opener.document.getElementById(field).value = txt;
  82                 }
  83             }
  84         }
  85         //]]>
  86     </script>
  87     <?php
  88     echo '<ul style="list-style:none;padding:10px;margin:0px;">';
  89     if ($items != array()) {
  90
  91         foreach ($items as $item) {
  92             if ($item->type == 'deployed') {
  93                 echo "<li><img src=\"images/ims.gif\" alt=\"IMS CP Package\" /> $item->name" .
  94                      "(<a onclick=\"set_opener_value('$choose', '#$item->path', true); set_opener_value('$name', '$item->name', false); window.close()\" href=\"#\">$strchoose</a>) " .
  95                      "(<a href=\"preview.php?directory=$item->path&amp;choose=$choose\">$strpreview</a>)</li>\n";
  96             }
  97             else if ($item->type == 'not deployed') {
  98             /// Only displays non-deployed IMS CP's if admin user.
  99                 if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
 100                     echo "<li><img src=\"images/ims.gif\" alt=\"IMS CP Package\" /> <em>$item->path - $strnotdeployed</em> (<a href=\"repository_deploy.php?file=$item->path\">$strdeploy</a>)</li>\n";
 101                 }
 102             }
 103             else if ($item->type == 'directory') {
 104                 echo "<li><img src=\"images/dir.gif\" alt=\"IMS CP Package\" /> <a href=\"?directory=$item->path&amp;choose=$choose\">$item->name</a></li>\n";
 105             }
 106         }
 107     }
 108     else {
 109         echo "<li><em>$stremptyfolder</em></li>";
 110     }
 111     echo "</ul>";
 112
 113 /// Print footer and exit.
 114     echo "</div></div></div></body></html>";
 115     exit;
 116
 117 /// Generates the crumbtrial from $directory. Just splits up on '/'.
 118     function ims_print_crumbtrail($directory, $choose='') {
 119         $strrepository = get_string('repository','resource');
 120
 121         $arr = explode('/', $directory);
 122         $last = array_pop($arr);
 123         if (trim($directory, '/') == '') {
 124             echo $strrepository;
 125             return;
 126         }
 127         else {
 128             $output = "<a href=\"?directory=&amp;choose=$choose\">$strrepository</a> &#187; ";
 129         }
 130         $itemdir = '';
 131         foreach ($arr as $item) {
 132             if ($item == '') continue;
 133             $itemdir .= '/'.$item;
 134             $output .= "<a href=\"?directory=$itemdir&amp;choose=$choose\">$item</a> &#187; ";
 135         }
 136         $output .= $last;
 137         echo $output;
 138     }
 139 ?>