controllers/C_Document.class.php

   1 <?php
   2
   3 require_once(dirname(__FILE__) . "/../library/classes/Controller.class.php");
   4 require_once(dirname(__FILE__) . "/../library/classes/Document.class.php");
   5 require_once(dirname(__FILE__) . "/../library/classes/CategoryTree.class.php");
   6 require_once(dirname(__FILE__) . "/../library/classes/TreeMenu.php");
   7 require_once(dirname(__FILE__) . "/../library/classes/Note.class.php");
   8
   9 class C_Document extends Controller {
  10
  11         var $template_mod;
  12         var $documents;
  13         var $document_categories;
  14         var $tree;
  15         var $_config;
  16         var $file_path;
  17
  18
  19         function C_Document($template_mod = "general") {
  20                 parent::Controller();
  21                 $this->documents = array();
  22                 $this->template_mod = $template_mod;
  23                 $this->assign("FORM_ACTION", $GLOBALS['webroot']."/controller.php?" . $_SERVER['QUERY_STRING']);
  24                 $this->assign("CURRENT_ACTION", $GLOBALS['webroot']."/controller.php?" . "document&");
  25
  26                 //get global config options for this namespace
  27                 $this->_config = $GLOBALS['oer_config']['documents'];
  28
  29                 $this->file_path = $this->_config['repository'] . preg_replace("/[^A-Za-z0-9]/","_",$_GET['patient_id']) . "/";
  30
  31                 $this->_args = array("patient_id" => $_GET['patient_id']);
  32
  33                 $this->assign("STYLE", $GLOBALS['style']);
  34                 $t = new CategoryTree(1);
  35                 //print_r($t->tree);
  36                 $this->tree = $t;
  37         }
  38
  39         function upload_action($patient_id,$category_id) {
  40                 $category_name = $this->tree->get_node_name($category_id);
  41                 $this->assign("category_id", $category_id);
  42                 $this->assign("category_name", $category_name);
  43                 $this->assign("patient_id", $patient_id);
  44                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
  45                 $this->assign("activity", $activity);
  46                 return $this->list_action($patient_id);
  47         }
  48
  49         function upload_action_process() {
  50
  51                 if ($_POST['process'] != "true")
  52                         return;
  53
  54                 if (is_numeric($_POST['category_id'])) {
  55                         $category_id = $_POST['category_id'];
  56                 }
  57                 if (is_numeric($_POST['patient_id'])) {
  58                         $patient_id = $_POST['patient_id'];
  59                 }
  60
  61                 foreach ($_FILES as $file) {
  62                   $fname = $file['name'];
  63                   $err = "";
  64                   if ($file['error'] > 0 || empty($file['name']) || $file['size'] == 0) {
  65                         $fname = $file['name'];
  66                         if (empty($fname)) {
  67                                 $fname = htmlentities("<empty>");
  68                         }
  69                         $error = "Error number: " . $file['error'] . " occured while uploading file named: " . $fname . "\n";
  70                         if ($file['size'] == 0) {
  71                                 $error .= "The system does not permit uploading files of with size 0.\n";
  72                         }
  73
  74                   }
  75                   else {
  76
  77                         if (!file_exists($this->file_path)) {
  78                                 if (!mkdir($this->file_path,0700)) {
  79                                         $error .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
  80                                 }
  81                         }
  82
  83                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
  84                         if (file_exists($this->file_path.$file['name'])) {
  85                                 $error .= "File with same name already exists at location: " . $this->file_path . "\n";
  86                                 $fname = basename($this->_rename_file($this->file_path.$file['name']));
  87                                 $file['name'] = $fname;
  88                                 $error .= "Current file name was changed to " . $fname ."\n";
  89                         }
  90                         if (move_uploaded_file($file['tmp_name'],$this->file_path.$file['name'])) {
  91                                 $error .= "File " . $file['name'] . " successfully stored.\n";
  92                                 $d = new Document();
  93                                 $d->url = "file://" .$this->file_path.$file['name'];
  94                                 $d->mimetype = $file['type'];
  95                                 $d->size = $file['size'];
  96                                 $d->type = $d->type_array['file_url'];
  97                                 $d->set_foreign_id($patient_id);
  98                                 $d->persist();
  99                                 $d->populate();
 100                                 $this->assign("file",$d);
 101
 102                                 if (is_numeric($d->get_id()) && is_numeric($category_id)) {
 103                                   $sql = "REPLACE INTO categories_to_documents set category_id = '" . $category_id . "', document_id = '" . $d->get_id() . "'";
 104                                   $d->_db->Execute($sql);
 105                                 }
 106                         }
 107                         else {
 108                                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 109                         }
 110                   }
 111                 }
 112                 $this->assign("error", nl2br($error));
 113                 //$this->_state = false;
 114                 $_POST['process'] = "";
 115                 //return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
 116         }
 117
 118         function note_action_process($patient_id) {
 119
 120                 if ($_POST['process'] != "true")
 121                         return;
 122
 123                 $n = new Note();
 124                 parent::populate_object($n);
 125                 $n->persist();
 126
 127                 $this->_state = false;
 128                 $_POST['process'] = "";
 129                 return $this->view_action($patient_id,$n->get_foreign_id());
 130         }
 131
 132         function default_action() {
 133                 return $this->list_action();
 134         }
 135
 136         function view_action($patient_id="",$doc_id) {
 137                 // Added by Rod to support document delete:
 138                 global $gacl_object, $phpgacl_location;
 139                 global $ISSUE_TYPES;
 140
 141                 require_once(dirname(__FILE__) . "/../library/acl.inc");
 142                 require_once(dirname(__FILE__) . "/../library/lists.inc");
 143
 144                 $d = new Document($doc_id);
 145                 $n = new Note();
 146
 147                 $notes = $n->notes_factory($doc_id);
 148
 149                 $this->assign("file", $d);
 150                 $this->assign("web_path", $this->_link("retrieve") . "document_id=" . $d->get_id() . "&");
 151                 $this->assign("NOTE_ACTION",$this->_link("note"));
 152                 $this->assign("MOVE_ACTION",$this->_link("move") . "document_id=" . $d->get_id() . "&process=true");
 153
 154                 // Added by Rod to support document delete:
 155                 $delete_string = '';
 156                 if (acl_check('admin', 'super')) {
 157                         $delete_string = "<a href='' onclick='return deleteme(" . $d->get_id() .
 158                                 ")'><font color='red'>(Delete this document)</font></a>";
 159                 }
 160                 $this->assign("delete_string", $delete_string);
 161                 $this->assign("REFRESH_ACTION",$this->_link("list"));
 162
 163                 // Added by Rod to support document date update:
 164                 $this->assign("DOCDATE", $d->get_docdate());
 165                 $this->assign("UPDATE_ACTION",$this->_link("update") .
 166                         "document_id=" . $d->get_id() . "&process=true");
 167
 168                 // Added by Rod to support document issue update:
 169                 $issues_options = "<option value='0'>-- Select Issue --</option>";
 170                 $ires = sqlStatement("SELECT id, type, title, begdate FROM lists WHERE " .
 171                         "pid = $patient_id " . // AND enddate IS NULL " .
 172                         "ORDER BY type, begdate");
 173                 while ($irow = sqlFetchArray($ires)) {
 174                         $desc = $irow['type'];
 175                         if ($ISSUE_TYPES[$desc]) $desc = $ISSUE_TYPES[$desc][2];
 176                         $desc .= ": " . $irow['begdate'] . " " . htmlspecialchars(substr($irow['title'], 0, 40));
 177                         $sel = ($irow['id'] == $d->get_list_id()) ? ' selected' : '';
 178                         $issues_options .= "<option value='" . $irow['id'] . "'$sel>$desc</option>";
 179                 }
 180                 $this->assign("ISSUES_LIST", $issues_options);
 181
 182                 $this->assign("notes",$notes);
 183
 184                 $this->_last_node = null;
 185
 186                 $menu  = new HTML_TreeMenu();
 187
 188                 //pass an empty array because we don't want the documents for each category showing up in this list box
 189                 $rnode = $this->_array_recurse($this->tree->tree,array());
 190                 $menu->addItem($rnode);
 191                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array("promoText" => "Move Document to Category:"));
 192
 193                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 194
 195                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_view.html");
 196                 $this->assign("activity", $activity);
 197
 198                 return $this->list_action($patient_id);
 199         }
 200
 201         function retrieve_action($patient_id="",$document_id,$as_file=true,$original_file=true) {
 202
 203                 //controller function ruins booleans, so need to manually re-convert to booleans
 204                 if ($as_file == "true") {
 205                         $as_file=true;
 206                 }
 207                 else if ($as_file == "false") {
 208                         $as_file=false;
 209                 }
 210                 if ($original_file == "true") {
 211                         $original_file=true;
 212                 }
 213                 else if ($original_file == "false") {
 214                         $original_file=false;
 215                 }
 216
 217                 $d = new Document($document_id);
 218                 $url =  $d->get_url();
 219
 220                 //strip url of protocol handler
 221                 $url = preg_replace("|^(.*)://|","",$url);
 222
 223                 //change full path to current webroot.  this is for documents that may have
 224                 //been moved from a different filesystem and the full path in the database
 225                 //is not current.
 226                 $temp_url = $GLOBALS["fileroot"].'/documents/'.$_SESSION["pid"].'/'.basename($url);
 227                 if (file_exists($temp_url)) {
 228                         $url = $temp_url;
 229                 }
 230                 if (!file_exists($url)) {
 231                         echo "The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it. $url";
 232                 }
 233                 else {
 234                         if ($original_file) {
 235                             //normal case when serving the file referenced in database
 236                             header("Pragma: public");
 237                             header("Expires: 0");
 238                             header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 239                             header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 240                             header("Content-Type: " . $d->get_mimetype());
 241                             header("Content-Length: " . $d->get_size());
 242                             $f = fopen($url,"r");
 243                             fpassthru($f);
 244                             exit;
 245                         }
 246                         else {
 247                             //special case when retrieving a document that has been converted to a jpg and not directly referenced in database
 248                             $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 249                             $url = $GLOBALS["fileroot"].'/documents/'.$_SESSION["pid"].'/'.$convertedFile;
 250                             header("Pragma: public");
 251                             header("Expires: 0");
 252                             header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 253                             header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($url) . "\"");
 254                             header("Content-Type: image/jpeg");
 255                             header("Content-Length: " . filesize($url));
 256                             $f = fopen($url,"r");
 257                             fpassthru($f);
 258                             exit;
 259                         }
 260                 }
 261         }
 262
 263         function queue_action($patient_id="") {
 264                 $messages = $this->_tpl_vars['messages'];
 265                 $queue_files = array();
 266
 267                 //see if the repository exists and it is a directory else error
 268                 if (file_exists($this->_config['repository']) && is_dir($this->_config['repository'])) {
 269                         $dir = opendir($this->_config['repository']);
 270                         //read each entry in the directory
 271                         while (($file = readdir($dir)) !== false) {
 272                                 //concat the filename and path
 273                                 $file = $this->_config['repository'] .$file;
 274                                 $file_info = array();
 275                                 //if the filename is a file get its info and put into a tmp array
 276                                 if (is_file($file) && strpos(basename($file),".") !== 0) {
 277                                         $file_info['filename'] = basename($file);
 278                                         $file_info['mtime'] = date("m/d/Y H:i:s",filemtime($file));
 279                                         $d = Document::document_factory_url("file://" . $file);
 280                                         preg_match("/^([0-9]+)_/",basename($file),$patient_match);
 281                                         $file_info['patient_id'] = $patient_match[1];
 282                                         $file_info['document_id'] = $d->get_id();
 283                                         $file_info['web_path'] = $this->_link("retrieve",true) . "document_id=" . $d->get_id() . "&";
 284
 285                                         //merge the tmp array into the larger array
 286                                         $queue_files[] = $file_info;
 287                                 }
 288                 }
 289                 closedir($dir);
 290                 }
 291                 else {
 292                         $messages .= "The repository directory does not exist, it is not a directory or there are not sufficient permissions to access it. '" . $this->config['repository'] . "'\n";
 293                 }
 294
 295
 296                 $this->assign("queue_files",$queue_files);
 297                 $this->_last_node = null;
 298
 299                 $menu  = new HTML_TreeMenu();
 300
 301                 //pass an empty array because we don't want the documents for each category showing up in this list box
 302                 $rnode = $this->_array_recurse($this->tree->tree,array());
 303                 $menu->addItem($rnode);
 304                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array());
 305
 306                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 307
 308                 $this->assign("messages",nl2br($messages));
 309                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_queue.html");
 310         }
 311
 312         function queue_action_process() {
 313                 if ($_POST['process'] != "true")
 314                         return;
 315
 316                 $messages = $this->_tpl_vars['messages'];
 317
 318                 //build a category tree so we can have a list of category ids that are valid
 319                 $ct = new CategoryTree(1);
 320                 $categories = $ct->_id_name;
 321
 322                 //see if there were and posted files and assign them
 323                 $files = null;
 324                 is_array($_POST['files']) ? $files = $_POST['files']: $files = array();
 325
 326                 //loop through posted files
 327                 foreach($files as $doc_id=> $file) {
 328                         //only operate on files checked as active
 329                         if (!$file['active']) continue;
 330
 331                         //run basic validation checks
 332                         if (!is_numeric($file['patient_id']) || !is_numeric($file['category_id']) || !is_numeric($doc_id)) {
 333                                 $messages .= "Error processing file '" . $file['name'] ."' the patient id must be a number and the category must exist.\n";
 334                                 continue;
 335                         }
 336
 337                         //validate that the pod exists
 338                         $d = new Document($doc_id);
 339                         $sql = "SELECT pid from patient_data where pubpid = '" . $file['patient_id'] . "'";
 340                         $result = $d->_db->Execute($sql);
 341
 342                         if (!$result || $result->EOF) {
 343                                 //patient id does not exist
 344                                 $messages .= "Error processing file '" . $file['name'] ." the specified patient id '" . $file['patient_id'] . "' could not be found.\n";
 345                                 continue;
 346                         }
 347
 348                         //validate that the category id exists
 349                         if (!isset($categories[$file['category_id']])) {
 350                                 $messages .= "Error processing file '" . $file['name'] . " the specified category with id '" . $file['category_id'] . "' could not be found.\n";
 351                                 continue;
 352                         }
 353
 354                         //now do the work of moving the file
 355                         $new_path = $this->_config['repository'] . $file['patient_id'] ."/";
 356
 357                         //see if the patient dir exists in the repository and create if not
 358                         if (!file_exists($new_path)) {
 359                                 if (!mkdir($new_path,0700)) {
 360                                         $messages .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 361                                         continue;
 362                                 }
 363                         }
 364
 365                         //fname is the name of the file after it is moved
 366                         $fname = $file['name'];
 367
 368                         //see if patient autonumbering is used in this filename, if so strip out the autonumber part
 369                         preg_match("/^([0-9]+)_/",basename($fname),$patient_match);
 370                         if ($patient_match[1] == $file['patient_id']) {
 371                                 $fname = preg_replace("/^([0-9]+)_/","",$fname);
 372                         }
 373
 374                         //filenames should not have funny chars
 375                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 376
 377                         //see if there is an existing file with the same name and rename as necessary
 378                         if (file_exists($new_path.$file['name'])) {
 379                                 $messages .= "File with same name already exists at location: " . $new_path . "\n";
 380                                 $fname = basename($this->_rename_file($new_path.$file['name']));
 381                                 $messages .= "Current file name was changed to " . $fname ."\n";
 382                         }
 383
 384                         //now move the file
 385                         if (rename($this->_config['repository'].$file['name'],$new_path.$fname)) {
 386                                 $messages .= "File " . $fname . " moved to patient id '" . $file['patient_id'] ."' and category '" . $categories[$file['category_id']]['name'] . "' successfully.\n";
 387                                 $d->url = "file://" .$new_path.$fname;
 388                                 $d->set_foreign_id($file['patient_id']);
 389                                 $d->set_mimetype($mimetype);
 390                                 $d->persist();
 391                                 $d->populate();
 392
 393                                 if (is_numeric($d->get_id()) && is_numeric($file['category_id'])) {
 394                                   $sql = "REPLACE INTO categories_to_documents set category_id = '" . $file['category_id'] . "', document_id = '" . $d->get_id() . "'";
 395                                   $d->_db->Execute($sql);
 396                                 }
 397                         }
 398                         else {
 399                                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 400                         }
 401                 }
 402                         $this->assign("messages",$messages);
 403                         $_POST['process'] = "";
 404         }
 405
 406         function move_action_process($patient_id="",$document_id) {
 407                 if ($_POST['process'] != "true")
 408                         return;
 409
 410                 $new_category_id = $_POST['new_category_id'];
 411                 $new_patient_id = $_POST['new_patient_id'];
 412
 413                 //move to new category
 414                 if (is_numeric($new_category_id) && is_numeric($document_id)) {
 415                         $sql = "UPDATE categories_to_documents set category_id = '" . $new_category_id . "' where document_id = '" . $document_id ."'";
 416                         $messages .= "Document moved to new category '" . $this->tree->_id_name[$new_category_id]['name']  . "' successfully.\n";
 417                         //echo $sql;
 418                         $this->tree->_db->Execute($sql);
 419                 }
 420
 421                 //move to new patient
 422                 if (is_numeric($new_patient_id) && is_numeric($document_id)) {
 423                         $d = new Document($document_id);
 424                         // $sql = "SELECT pid from patient_data where pubpid = '" . $new_patient_id . "'";
 425                         $sql = "SELECT pid from patient_data where pid = '" . $new_patient_id . "'";
 426                         $result = $d->_db->Execute($sql);
 427
 428                         if (!$result || $result->EOF) {
 429                                 //patient id does not exist
 430                                 $messages .= "Document could not be moved to patient id '" . $new_patient_id  . "' because that id does not exist.\n";
 431                         }
 432                         else {
 433                                 //set the new patient
 434                                 $d->set_foreign_id($new_patient_id);
 435                                 $d->persist();
 436                                 $this->_state = false;
 437                                 $messages .= "Document moved to patient id '" . $new_patient_id  . "' successfully.\n";
 438                                 $this->assign("messages",$messages);
 439                                 return $this->list_action($patient_id);
 440                         }
 441                 }
 442                 //in this case return the document to the queue instead of moving it
 443                 elseif (strtolower($new_patient_id) == "q" && is_numeric($document_id)) {
 444                         $d = new Document($document_id);
 445                         $new_path = $this->_config['repository'];
 446                         $fname = $d->get_url_file();
 447
 448                         //see if there is an existing file with the same name and rename as necessary
 449                         if (file_exists($new_path.$d->get_url_file())) {
 450                                 $messages .= "File with same name already exists in the queue.\n";
 451                                 $fname = basename($this->_rename_file($new_path.$d->get_url_file()));
 452                                 $messages .= "Current file name was changed to " . $fname ."\n";
 453                         }
 454
 455                         //now move the file
 456                         if (rename($d->get_url_filepath(),$new_path.$fname)) {
 457                                 $d->url = "file://" .$new_path.$fname;
 458                                 $d->set_foreign_id("");
 459                                 $d->persist();
 460                                 $d->persist();
 461                                 $d->populate();
 462
 463                                 $sql = "DELETE FROM categories_to_documents where document_id =" . $d->_db->qstr($document_id);
 464                                 $d->_db->Execute($sql);
 465                                 $messages .= "Document returned to queue successfully.\n";
 466
 467                         }
 468                         else {
 469                                 $messages .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 470                         }
 471
 472                         $this->_state = false;
 473                         $this->assign("messages",$messages);
 474                         return $this->list_action($patient_id);
 475                 }
 476
 477                 $this->_state = false;
 478                 $this->assign("messages",$messages);
 479                 return $this->view_action($patient_id,$document_id);
 480         }
 481
 482         // Added by Rod for metadata update.
 483         //
 484         function update_action_process($patient_id="", $document_id) {
 485                 if ($_POST['process'] != "true") {
 486                         die("process is '" . $_POST['process'] . "', expected 'true'");
 487                         return;
 488                 }
 489
 490                 $docdate = $_POST['docdate'];
 491                 $issue_id = $_POST['issue_id'];
 492
 493                 if (is_numeric($document_id)) {
 494                         if (preg_match('/^\d\d\d\d-\d+-\d+$/', $docdate)) {
 495                                 $docdate = "'$docdate'";
 496                         } else {
 497                                 $docdate = "NULL";
 498                         }
 499                         if (!is_numeric($issue_id)) {
 500                                 $issue_id = 0;
 501                         }
 502                         $sql = "UPDATE documents SET docdate = $docdate, " .
 503                                 "list_id = '$issue_id' " .
 504                                 "WHERE id = '$document_id'";
 505                         $this->tree->_db->Execute($sql);
 506                         $messages .= "Document date and issue updated successfully\n";
 507                 }
 508
 509                 $this->_state = false;
 510                 $this->assign("messages", $messages);
 511                 return $this->view_action($patient_id, $document_id);
 512         }
 513
 514         function list_action($patient_id = "") {
 515                 $this->_last_node = null;
 516                 $categories_list = $this->tree->_get_categories_array($patient_id);
 517                 //print_r($categories_list);
 518
 519                 $menu  = new HTML_TreeMenu();
 520                 $rnode = $this->_array_recurse($this->tree->tree,$categories_list);
 521                 $menu->addItem($rnode);
 522                 $treeMenu = &new HTML_TreeMenu_DHTML($menu, array('images' => 'images', 'defaultClass' => 'treeMenuDefault'));
 523                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array('linkTarget' => '_self'));
 524
 525                 $this->assign("tree_html",$treeMenu->toHTML());
 526
 527                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_list.html");
 528         }
 529
 530         /*
 531         *       This is a recursive function to rename a file to something that doesn't already exist. It appends a numeric to the end of the file, if
 532         *       the file already has a numeric it increments that.
 533         *       It supports numeric endings upto 1000, after which it uses an md5sum on now() instead. This is because some files end in
 534         *       dates and we don't want to increment those.
 535         */
 536         function _rename_file($fname) {
 537                 $file = basename($fname);
 538                 $fparts = split("\.",$fname);
 539                 $path = dirname($fname);
 540                 if (is_numeric($fparts[count($fparts) -1]) && $fparts[count($fparts) -1] < 1000) {
 541                         $new_name = "";
 542                         for($i=0;$i<count($fparts);$i++) {
 543                                 if ($i == (count($fparts) -1)) {
 544                                   $new_name .= ($fparts[$i] +1);
 545                                 }
 546                                 else {
 547                                   $new_name .= $fparts[$i] . ".";
 548                                 }
 549                         }
 550                         $fname = $new_name;
 551                 }
 552                 elseif (is_numeric($fparts[count($fparts)])) {
 553                         $fname = $fname . "." . md5sum(now());
 554                 }
 555                 else {
 556                         $fname = $fname . ".1";
 557                 }
 558                 if (file_exists($fname)) {
 559                         return $this->_rename_file($fname);
 560                 }
 561                 else {
 562                         return($fname);
 563                 }
 564         }
 565
 566         function &_array_recurse($array,$categories = array()) {
 567                 if (!is_array($array)) {
 568                         $array = array();
 569                 }
 570                 $node = &$this->_last_node;
 571                 $current_node = &$node;
 572                 $expandedIcon = 'folder-expanded.gif';
 573                 foreach($array as $id => $ar) {
 574                         $icon = 'folder.gif';
 575                         if (is_array($ar)  || !empty($id)) {
 576                           if ($node == null) {
 577                                 //echo "r:" . $this->tree->get_node_name($id) . "<br>";
 578                             $rnode = new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => false));
 579                             $this->_last_node = &$rnode;
 580                                 $node = &$rnode;
 581                                 $current_node =&$rnode;
 582                           }
 583                           else {
 584                                 //echo "p:" . $this->tree->get_node_name($id) . "<br>";
 585                             $this->_last_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
 586                             $current_node =&$this->_last_node;
 587                           }
 588
 589                           $this->_array_recurse($ar,$categories);
 590                         }
 591                         else {
 592                                 if ($id === 0 && !empty($ar)) {
 593                                   $info = $this->tree->get_node_info($id);
 594                                   //echo "b:" . $this->tree->get_node_name($id) . "<br>";
 595                                   $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $info['value'], 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
 596                                 }
 597                                 else {
 598                                         //there is a third case that is implicit here when title === 0 and $ar is empty, in that case we do not want to do anything
 599                                         //this conditional tree could be more efficient but working with recursive trees makes my head hurt, TODO
 600                                         if ($id !== 0 && is_object($node)) {
 601                                           //echo "n:" . $this->tree->get_node_name($id) . "<br>";
 602                                           $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
 603
 604                                         }
 605                                 }
 606                         }
 607
 608                         // If there are documents in this document category, then add their
 609                         // attributes to the current node.
 610                         $icon = "file3.png";
 611                         if (is_array($categories[$id])) {
 612                                 foreach ($categories[$id] as $doc) {
 613                                         $current_node->addItem(new HTML_TreeNode(array(
 614                                                 'text' => $doc['docdate'] . ' ' . basename($doc['url']),
 615                                                 'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
 616                                                 'icon' => $icon,
 617                                                 'expandedIcon' => $expandedIcon
 618                                         )));
 619                                 }
 620                         }
 621
 622                 }
 623                 return $node;
 624         }
 625
 626 }
 627 //place to hold optional code
 628 //$first_node = array_keys($t->tree);
 629                 //$first_node = $first_node[0];
 630                 //$node1 = new HTML_TreeNode(array('text' => $t->get_node_name($first_node), 'link' => "test.php", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => true), array('onclick' => "alert('foo'); return false", 'onexpand' => "alert('Expanded')"));
 631
 632                 //$this->_last_node = &$node1;
 633
 634 ?>