PHP Classes

File: clsDirectoryBrowser

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File: clsDirectoryBrowser
Role: ???
Content type: text/plain
Description: You'll need to get DataProducer class too for it to work
Class: DirectoryBrowser
A class + template system for exploring a file sys
Author: By
Last change:
Date: 21 years ago
Size: 9,086 bytes
 

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<? include_once("clsDataProducer.php"); /* ************************************************************************ * Sloppycode.net All rights reserved. * * This is a standard copyright header for all source code appearing * at sloppycode.net. This application/class/script may be redistributed, * as long as the above copyright remains intact. * Comments/Suggestions to sloppycode@sloppycode.net ************************************************************************ */ /** * Simple structure for holding file/directory details */ class FileDataStore { var $name; var $link; var $type; } /* * DirectoryBrowser - directory browsing class to display files and directories. * Requires the DataProducer class for its templates. * @author C.Small <chris@sloppycode.net> * @version 1.1 PEAR style comments addded * @version 1.0 * @public */ class DirectoryBrowser { /* * How the files/directories are display. Either 'byname' or 'bytype'. Default is byname * @public * @see DirectoryBrowser#_sortFiles() */ var $sorttype = "byname"; /* * The home domain and directory that DirectoryBrowser is running in. Include http:// * @access public */ var $rootdomain; /* * The icon/graphic for a directory. In the example it is directory.gif * @access public */ var $image_dir; /* * The icon/graphic for a file. In the example it is file.gif * @access public */ var $image_file; /* * Current directory that is being browsed * @access public */ var $currentdir = ""; /* * The querystring variable name for the current directory * @access public */ var $querystring_dirname = "dir"; /* * The querystring variable name for the current sort type * @access public */ var $querystring_sorttypename = "sort"; /* * Files and subdirectories in the current directory * @access private */ var $files = array(); /* * The html template file * @access private */ var $contents; /* * Name of the script, including preceeding path if any * @access public */ var $scriptname; /* * Displays the contents of the templatefile, with all tags replaced with data. Tags are: * &lt;sortoption_link/&gt; - Displays a link for the sorting option (by name or type) * &lt;rootdomain/&gt; - The rootdomain name. * &lt;parent_link/&gt; - Dispalys a link to the parent folder. * &lt;parent_dirname/&gt; - Displays the parent directory name. * &lt;files&gt; - The files to display * &nbsp;&nbsp;&lt;file_image/&gt; - The image for the file, either a directory or file icon. * &nbsp;&nbsp;&lt;file_link/&gt; - A link to the file, or directory. * &lt;/files&gt; * &lt;self_dirname/&gt; - The directory name of the current directory. * @access public * @param string $name description * @return void */ function display($templatefile) { global $HTTP_GET_VARS; if (!empty($HTTP_GET_VARS[$this->querystring_dirname])) { $this->currentdir = $HTTP_GET_VARS[$this->querystring_dirname]; } if (!empty($HTTP_GET_VARS[$this->querystring_sorttypename])) { $this->sorttype = $HTTP_GET_VARS[$this->querystring_sorttypename]; } if (empty($templatefile)) { echo "DirectoryBrowser class error: no templatefile specified"; return; } $this->_checkCurrentDir(); $this->_getFiles(); $dp = new DataProducer(); $contents = $dp->openTemplate($templatefile); /* ---- Single tags ---- */ $tags['rootdomain'] = $this->rootdomain; $tags['parent_link'] = "?".$this->querystring_dirname."=".$this->_getParentFolder($this->currentdir)."&".$this->querystring_sorttypename."=".$this->sorttype; $tags['parent_dirname'] = $this->_getParentFolder($this->currentdir); if ($tags['parent_dirname'] == "") { $tags['parent_dirname'] = "/"; } $tags['self_scriptname'] = $this->scriptname; $tags['self_link'] = "?".$this->querystring_dirname."=".$this->currentdir."&".$this->querystring_sorttypename."=".$this->sorttype; $tags['self_dirname'] = $this->currentdir; if ($tags['self_dirname'] == "") { $tags['self_dirname'] = "/"; } if ($this->sorttype == "byname") { $tags['sortoption_link'] = "?".$this->querystring_dirname."=".$this->currentdir."&".$this->querystring_sorttypename."=bydir"; $tags['sortoption'] = "by directory/file"; } else{ $tags['sortoption_link'] = "?".$this->querystring_dirname."=".$this->currentdir."&".$this->querystring_sorttypename."=byname"; $tags['sortoption'] = "by name"; } $contents = $dp->doSingleDataProducer($tags,$contents); /* ---- Multiple tags ---- */ $contents = $dp->doDataProducer("files",$this->_sortFiles(),$contents); echo $contents; } /* * Checks whether the current directory is root or not. * @access private * @return void */ function _checkCurrentDir() { if (isset($this->currentdir)) { if ($this->currentdir[sizeof($this->currentdir)] == "/") { $this->basedir .= "/".$this->currentdir; } else{ $this->basedir .= $this->currentdir; } } else{ $this->basedir .= "/"; } } /* * Retrieves all files and folders for the current directory. * @access private * @return void */ function _getFiles() { $PHP_SELF = $this->scriptname; $fHnd = opendir($this->basedir); if ($fHnd) { while (false !== ($filename = readdir($fHnd)) ) { if ($filename != "." && $filename != "..") { if (is_dir($this->basedir."/".$filename)) { $file = new FileDataStore(); $file->type = "dir"; $file->name = $filename; $goto = $this->currentdir."/".$filename; $file->link = $PHP_SELF."?".$this->querystring_dirname."=".$goto."&".$this->querystring_sorttypename."=".$this->sorttype; $this->files[] = $file; unset($file); } else{ $file = new FileDataStore(); $file->type = "file"; $file->name = $filename; $file->link = $this->rootdomain.$this->currentdir."/".$filename; $this->files[] = $file; unset($file); } } } closedir($fHnd); } } /* * Sorts the files and directories according to the $sorttype property * @access private * @return void * @see $sorttype property */ function _sortFiles() { if ($this->sorttype == "byname") { // Sort alphabetically $tags = array(); $rows = array(); if (sizeof($this->files) >0) { // Make up new array to be sorted for ($i=0;$i <= sizeof($this->files) -1;$i++) { if ($this->files[$i]->type == "dir") { $img = $this->image_dir; } else{ $img= $this->image_file; } $sortedarr[] = array($this->files[$i]->name,$this->files[$i]->link,$this->files[$i]->type,$img); } sort($sortedarr); reset($sortedarr); for ($i=0;$i <= sizeof($sortedarr) -1;$i++) { $tags['file_name'] = $sortedarr[$i][0]; $tags['file_link'] = $sortedarr[$i][1]; $tags['file_type'] = $sortedarr[$i][2]; $tags['file_image'] = $sortedarr[$i][3]; $rows[] = $tags; unset($tags); } } } else{ // Sort by file type (directory then file) $tags = array(); $rows = array(); if (sizeof($this->files) >0) { // Add directories for ($i=0;$i <= sizeof($this->files) -1;$i++) { if ($this->files[$i]->type == "dir") { $tags['file_type'] = "dir"; $tags['file_name'] = $this->files[$i]->name; $tags['file_link'] = $this->files[$i]->link; $tags['file_image'] = $this->image_dir; $rows[] = $tags; unset($tags); } } // Add files for ($i=0;$i <= sizeof($this->files) -1;$i++) { if ($this->files[$i]->type == "file") { $tags['file_type'] = "file"; $tags['file_name'] = $this->files[$i]->name; $tags['file_link'] = $this->files[$i]->link; $tags['file_image'] = $this->image_file; $rows[] = $tags; unset($tags); } } } } return $rows; } /* * Gets the parent folder from provided $folder. * @access private * @param string $folder Child folder whose parent should be retrieved. * @return string The parent folder. */ function _getParentFolder($folder) { $temp = explode("/",$folder); if (sizeof($temp) > 0) { // first element will be empty as it starts with "/" if (empty($temp[0])){ array_shift($temp); } // get rid of last element to show arent array_pop($temp); $folder = $temp[0]; for ($i=1;$i <= sizeof($temp) -1;$i++){ if (!empty($temp[$i])) { $folder .= "/".$temp[$i]; } } if (strpos($folder,"/") != 1) { $folder = "/".$folder; } if ($folder == "/") $folder = ""; } return $folder; } } ?>