t3lib/class.t3lib_foldertree.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 1999-2004 Kasper Skaarhoj (kasperYYYY@typo3.com)
   6 *  All rights reserved
   7 *
   8 *  This script is part of the TYPO3 project. The TYPO3 project is
   9 *  free software; you can redistribute it and/or modify
  10 *  it under the terms of the GNU General Public License as published by
  11 *  the Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  The GNU General Public License can be found at
  15 *  http://www.gnu.org/copyleft/gpl.html.
  16 *  A copy is found in the textfile GPL.txt and important notices to the license
  17 *  from the author is found in LICENSE.txt distributed with these scripts.
  18 *
  19 *
  20 *  This script is distributed in the hope that it will be useful,
  21 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *  GNU General Public License for more details.
  24 *
  25 *  This copyright notice MUST APPEAR in all copies of the script!
  26 ***************************************************************/
  27 /**
  28  * Generate a folder tree
  29  *
  30  * $Id$
  31  * Revised for TYPO3 3.6 November/2003 by Kasper Skaarhoj
  32  *
  33  * @author      Kasper Skaarhoj <kasperYYYY@typo3.com>
  34  * @coauthor    René Fritz <r.fritz@colorcube.de>
  35  */
  36 /**
  37  * [CLASS/FUNCTION INDEX of SCRIPT]
  38  *
  39  *
  40  *
  41  *   81: class t3lib_folderTree extends t3lib_treeView
  42  *   88:     function t3lib_folderTree()
  43  *  106:     function wrapIcon($icon,$row)
  44  *  126:     function getId($v)
  45  *  136:     function getJumpToParam($v)
  46  *  148:     function getTitleStr($row,$titleLen=30)
  47  *  158:     function getBrowsableTree()
  48  *  221:     function getFolderTree($files_path, $depth=999, $depthData='')
  49  *  301:     function getCount($files_path)
  50  *  317:     function initializePositionSaving()
  51  *
  52  * TOTAL FUNCTIONS: 9
  53  * (This index is automatically created/updated by the extension "extdeveval")
  54  *
  55  */
  56
  57 require_once (PATH_t3lib.'class.t3lib_treeview.php');
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72 /**
  73  * Extension class for the t3lib_treeView class, specially made for browsing folders in the File module
  74  *
  75  * @author      Kasper Skaarhoj <kasperYYYY@typo3.com>
  76  * @coauthor    René Fritz <r.fritz@colorcube.de>
  77  * @package TYPO3
  78  * @subpackage t3lib
  79  * @see class t3lib_treeView
  80  */
  81 class t3lib_folderTree extends t3lib_treeView  {
  82
  83         /**
  84          * Constructor function of the class
  85          *
  86          * @return      void
  87          */
  88         function t3lib_folderTree()     {
  89                 parent::init();
  90
  91                 $this->MOUNTS = $GLOBALS['FILEMOUNTS'];
  92
  93                 $this->treeName='folder';
  94                 $this->titleAttrib=''; //don't apply any title
  95                 $this->domIdPrefix = 'folder';
  96         }
  97
  98         /**
  99          * Wrapping the folder icon
 100          *
 101          * @param       string          The image tag for the icon
 102          * @param       array           The row for the current element
 103          * @return      string          The processed icon input value.
 104          * @access private
 105          */
 106         function wrapIcon($icon,$row)   {
 107                         // Add title attribute to input icon tag
 108                 $theFolderIcon = $this->addTagAttributes($icon,($this->titleAttrib ? $this->titleAttrib.'="'.$this->getTitleAttrib($row).'"' : ''));
 109
 110                         // Wrap icon in click-menu link.
 111                 if (!$this->ext_IconMode)       {
 112                         $theFolderIcon = $GLOBALS['TBE_TEMPLATE']->wrapClickMenuOnIcon($theFolderIcon,$row['path'],'',0);
 113                 } elseif (!strcmp($this->ext_IconMode,'titlelink'))     {
 114                         $aOnClick = 'return jumpTo(\''.$this->getJumpToParam($row).'\',this,\''.$this->domIdPrefix.$this->getId($row).'_'.$this->bank.'\');';
 115                         $theFolderIcon='<a href="#" onclick="'.htmlspecialchars($aOnClick).'">'.$theFolderIcon.'</a>';
 116                 }
 117                 return $theFolderIcon;
 118         }
 119
 120         /**
 121          * Returns the id from the record - for folders, this is an md5 hash.
 122          *
 123          * @param       array           Record array
 124          * @return      integer         The "uid" field value.
 125          */
 126         function getId($v) {
 127                 return t3lib_div::md5Int($v['path']);
 128         }
 129
 130         /**
 131          * Returns jump-url parameter value.
 132          *
 133          * @param       array           The record array.
 134          * @return      string          The jump-url parameter.
 135          */
 136         function getJumpToParam($v) {
 137                 return rawurlencode($v['path']);
 138         }
 139
 140         /**
 141          * Returns the title for the input record. If blank, a "no title" labele (localized) will be returned.
 142          * '_title' is used for setting an alternative title for folders.
 143          *
 144          * @param       array           The input row array (where the key "_title" is used for the title)
 145          * @param       integer         Title length (30)
 146          * @return      string          The title.
 147          */
 148         function getTitleStr($row,$titleLen=30) {
 149                 return $row['_title'] ? $row['_title'] : parent::getTitleStr($row,$titleLen);
 150         }
 151
 152         /**
 153          * Will create and return the HTML code for a browsable tree of folders.
 154          * Is based on the mounts found in the internal array ->MOUNTS (set in the constructor)
 155          *
 156          * @return      string          HTML code for the browsable tree
 157          */
 158         function getBrowsableTree()     {
 159
 160                         // Get stored tree structure AND updating it if needed according to incoming PM GET var.
 161                 $this->initializePositionSaving();
 162
 163                         // Init done:
 164                 $titleLen=intval($this->BE_USER->uc['titleLen']);
 165                 $treeArr=array();
 166
 167                         // Traverse mounts:
 168                 foreach($this->MOUNTS as $key => $val)  {
 169                         $md5_uid = md5($val['path']);
 170                         $specUID=hexdec(substr($md5_uid,0,6));
 171                         $this->specUIDmap[$specUID]=$val['path'];
 172
 173                                 // Set first:
 174                         $this->bank=$val['nkey'];
 175                         $isOpen = $this->stored[$val['nkey']][$specUID] || $this->expandFirst;
 176                         $this->reset();
 177
 178                                 // Set PM icon:
 179                         $cmd=$this->bank.'_'.($isOpen?'0_':'1_').$specUID.'_'.$this->treeName;
 180                         $icon='<img'.t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/'.($isOpen?'minus':'plus').'only.gif','width="18" height="16"').' alt="" />';
 181                         $firstHtml= $this->PM_ATagWrap($icon,$cmd);
 182
 183                         switch($val['type'])    {
 184                                 case 'user':    $icon = 'gfx/i/_icon_ftp_user.gif';     break;
 185                                 case 'group':   $icon = 'gfx/i/_icon_ftp_group.gif'; break;
 186                                 default:                $icon = 'gfx/i/_icon_ftp.gif'; break;
 187                         }
 188
 189                                 // Preparing rootRec for the mount
 190                         $firstHtml.=$this->wrapIcon('<img'.t3lib_iconWorks::skinImg($this->backPath,$icon,'width="18" height="16"').' alt="" />',$val);
 191                                 $row=array();
 192                                 $row['path']=$val['path'];
 193                                 $row['uid']=$specUID;
 194                                 $row['title']=$val['name'];
 195
 196                                 // Add the root of the mount to ->tree
 197                         $this->tree[]=array('HTML'=>$firstHtml,'row'=>$row,'bank'=>$this->bank);
 198
 199                                 // If the mount is expanded, go down:
 200                         if ($isOpen)    {
 201                                         // Set depth:
 202                                 $depthD='<img'.t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/blank.gif','width="18" height="16"').' alt="" />';
 203                                 $this->getFolderTree($val['path'],999,$depthD);
 204                         }
 205
 206                                 // Add tree:
 207                         $treeArr=array_merge($treeArr,$this->tree);
 208                 }
 209                 return $this->printTree($treeArr);
 210         }
 211
 212         /**
 213          * Fetches the data for the tree
 214          *
 215          * @param       string          Abs file path
 216          * @param       integer         Max depth (recursivity limit)
 217          * @param       string          HTML-code prefix for recursive calls.
 218          * @return      integer         The count of items on the level
 219          * @see getBrowsableTree()
 220          */
 221         function getFolderTree($files_path, $depth=999, $depthData='')  {
 222
 223                         // This generates the directory tree
 224                 $dirs = t3lib_div::get_dirs($files_path);
 225
 226                 $c=0;
 227                 if (is_array($dirs))    {
 228                         $depth=intval($depth);
 229                         $HTML='';
 230                         $a=0;
 231                         $c=count($dirs);
 232                         sort($dirs);
 233
 234                         foreach($dirs as $key => $val)  {
 235                                 $a++;
 236                                 $this->tree[]=array();          // Reserve space.
 237                                 end($this->tree);
 238                                 $treeKey = key($this->tree);    // Get the key for this space
 239                                 $LN = ($a==$c)?'blank':'line';
 240
 241                                 $val = ereg_replace('^\./','',$val);
 242                                 $title = $val;
 243                                 $path = $files_path.$val.'/';
 244                                 $webpath=t3lib_BEfunc::getPathType_web_nonweb($path);
 245
 246                                 $md5_uid = md5($path);
 247                                 $specUID=hexdec(substr($md5_uid,0,6));
 248                                 $this->specUIDmap[$specUID]=$path;
 249                                 $row=array();
 250                                 $row['path']=$path;
 251                                 $row['uid']=$specUID;
 252                                 $row['title']=$title;
 253
 254                                 if ($depth>1 && $this->expandNext($specUID))    {
 255                                         $nextCount=$this->getFolderTree(
 256                                                 $path,
 257                                                 $depth-1,
 258                                                 $this->makeHTML ? $depthData.'<img'.t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/'.$LN.'.gif','width="18" height="16"').' alt="" />' : ''
 259                                         );
 260                                         $exp=1;         // Set "did expand" flag
 261                                 } else {
 262                                         $nextCount=$this->getCount($path);
 263                                         $exp=0;         // Clear "did expand" flag
 264                                 }
 265
 266                                         // Set HTML-icons, if any:
 267                                 if ($this->makeHTML)    {
 268                                         $HTML=$depthData.$this->PMicon($row,$a,$c,$nextCount,$exp);
 269
 270                                         $icon = 'gfx/i/_icon_'.$webpath.'folders.gif';
 271                                         if ($val=='_temp_')     {
 272                                                 $icon = 'gfx/i/sysf.gif';
 273                                                 $row['title']='TEMP';
 274                                                 $row['_title']='<b>TEMP</b>';
 275                                         }
 276                                         if ($val=='_recycler_') {
 277                                                 $icon = 'gfx/i/recycler.gif';
 278                                                 $row['title']='RECYCLER';
 279                                                 $row['_title']='<b>RECYCLER</b>';
 280                                         }
 281                                         $HTML.=$this->wrapIcon('<img'.t3lib_iconWorks::skinImg($this->backPath,$icon,'width="18" height="16"').' alt="" />',$row);
 282                                 }
 283
 284                                         // Finally, add the row/HTML content to the ->tree array in the reserved key.
 285                                 $this->tree[$treeKey] = Array(
 286                                         'row'=>$row,
 287                                         'HTML'=>$HTML,
 288                                         'bank'=>$this->bank
 289                                 );
 290                         }
 291                 }
 292                 return $c;
 293         }
 294
 295         /**
 296          * Counts the number of directories in a file path.
 297          *
 298          * @param       string          File path.
 299          * @return      integer
 300          */
 301         function getCount($files_path)  {
 302                         // This generates the directory tree
 303                 $dirs = t3lib_div::get_dirs($files_path);
 304                 $c=0;
 305                 if (is_array($dirs))    {
 306                         $c=count($dirs);
 307                 }
 308                 return $c;
 309         }
 310
 311         /**
 312          * Get stored tree structure AND updating it if needed according to incoming PM GET var.
 313          *
 314          * @return      void
 315          * @access private
 316          */
 317         function initializePositionSaving()     {
 318                         // Get stored tree structure:
 319                 $this->stored=unserialize($this->BE_USER->uc['browseTrees'][$this->treeName]);
 320
 321                         // Mapping md5-hash to shorter number:
 322                 $hashMap=array();
 323                 foreach($this->MOUNTS as $key => $val)  {
 324                         $nkey = hexdec(substr($key,0,4));
 325                         $hashMap[$nkey]=$key;
 326                         $this->MOUNTS[$key]['nkey']=$nkey;
 327                 }
 328
 329                         // PM action:
 330                         // (If an plus/minus icon has been clicked, the PM GET var is sent and we must update the stored positions in the tree):
 331                 $PM = explode('_',t3lib_div::_GP('PM'));        // 0: mount key, 1: set/clear boolean, 2: item ID (cannot contain "_"), 3: treeName
 332                 if (count($PM)==4 && $PM[3]==$this->treeName)   {
 333                         if (isset($this->MOUNTS[$hashMap[$PM[0]]]))     {
 334                                 if ($PM[1])     {       // set
 335                                         $this->stored[$PM[0]][$PM[2]]=1;
 336                                         $this->savePosition($this->treeName);
 337                                 } else {        // clear
 338                                         unset($this->stored[$PM[0]][$PM[2]]);
 339                                         $this->savePosition($this->treeName);
 340                                 }
 341                         }
 342                 }
 343         }
 344 }
 345
 346 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_foldertree.php'])        {
 347         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_foldertree.php']);
 348 }
 349 ?>