Annotation of loncom/interface/portfolio.pm, revision 1.6

1.3       banghart    1: # Copyright Michigan State University Board of Trustees
                      2: #
                      3: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      4: #
                      5: # LON-CAPA is free software; you can redistribute it and/or modify
                      6: # it under the terms of the GNU General Public License as published by
                      7: # the Free Software Foundation; either version 2 of the License, or 
                      8: # (at your option) any later version.
                      9: #
                     10: # LON-CAPA is distributed in the hope that it will be useful,
                     11: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     12: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     13: # GNU General Public License for more details.
                     14: #
                     15: # You should have received a copy of the GNU General Public License
                     16: # along with LON-CAPA; if not, write to the Free Software
                     17: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     18: #
                     19: # /home/httpd/html/adm/gpl.txt
                     20: #
                     21: 
                     22: 
                     23: # http://www.lon-capa.org/
                     24: #
                     25: 
                     26: 
1.1       banghart   27: package Apache::portfolio;
                     28: use strict;
                     29: use Apache::Constants qw(:common :http);
1.2       banghart   30: use Apache::loncommon;
1.1       banghart   31: use Apache::lonnet;
1.2       banghart   32: use Apache::lontexconvert;
                     33: use Apache::lonfeedback;
                     34: use Apache::lonlocal;
1.6     ! banghart   35: sub makeAnchor{
        !            36: 	# receives a file name assumed to reside in username/userfiles/portfolio/
        !            37: 	# returns a form consisting of a single submit button labeled with the file name
        !            38: 	my ($fileName, $currentPath) = @_;
        !            39: 	my $anchor = '<a href="/adm/portfolio?selectfile='.$fileName.'&currentpath='.$currentPath.'">'.$fileName.'</a>';
        !            40: #	my $button = '
        !            41: #		<form method="POST" action="/adm/portfolio">
        !            42: #		<input type="hidden" name="selectfile" value="'.$fileName.'">
        !            43: #		<input type="submit" value="'.$fileName.'" name="storeupl">
        !            44: #		</form>
        !            45: #		';
        !            46: 	return $anchor;
        !            47: }
        !            48: sub displayDirectory {
        !            49: 	# returns html with <br /> separated contents of the directory
        !            50: 	# returns a <strong>currentFile</strong> (bolds the selected file/dir)
        !            51: 	
        !            52: 	my ($currentPath, $currentFile, $isDir, @dirList,) = @_;
        !            53: 	my $displayOut='';	
        !            54: 	my $fileName;
        !            55: 	my $upPath;
        !            56: 	if ($currentPath ne '/'){
        !            57: 		$displayOut = 'Listing of '.$currentPath.'<br /><hr />'.
        !            58: 		# provides the "up one directory level" function
        !            59: 		# it means shortening the currentpath to the parent directory
        !            60: 		$currentPath =~ m:(^/.*)(/.*/$):;
        !            61: 		if ($1 ne '/'){
        !            62: 			$upPath = $1.'/';
        !            63: 		}else{
        !            64: 			$upPath = $1;
        !            65: 		}
        !            66: 		
        !            67: 		$displayOut = $displayOut.'<a href="/adm/portfolio?selectfile=updir&currentpath='.$upPath.'">..</a><br />';
        !            68: 	} else {
        !            69: 		$displayOut = $displayOut.'at root '.$currentPath.'<br />';
        !            70: 	}
        !            71: 	while ($fileName = shift @dirList){
        !            72: 		if (($fileName ne './') && ($fileName ne '../')){
        !            73: 			if ($fileName =~ m:/$:){
        !            74: 				# handle directories different from files
        !            75: 				if ($fileName eq $currentFile){ #checks to bold the selected file
        !            76: 					$displayOut = $displayOut.'<strong>'.(makeAnchor($fileName, $currentPath.$fileName).'</strong><br />');
        !            77: 				}else{
        !            78: 					$displayOut = $displayOut.(makeAnchor($fileName, $currentPath.$fileName).'<br />');
        !            79: 				}
        !            80: 			}else{
        !            81: 				if ($fileName eq $currentFile){ #checks to bold the selected file
        !            82: 					$displayOut = $displayOut.'<strong>'.(makeAnchor($fileName, $currentPath).'</strong><br />');
        !            83: 				}else{
        !            84: 					$displayOut = $displayOut.(makeAnchor($fileName, $currentPath).'<br />');
        !            85: 				}
        !            86: 			}
        !            87: 		}
        !            88: 	}
        !            89: 	$displayOut = $displayOut.
        !            90: 	return $displayOut;
        !            91: }
        !            92: sub displayActions {
        !            93: 	# returns html to offer user appropriate actions depending on selected file/directory
        !            94: 	my $displayOut;
        !            95: 	my ($currentPath, $currentFile, $isDir, $isFile) = @_;
        !            96: #	$displayOut = 'here are actions for '.$currentFile;
        !            97: 	if ($isDir){
        !            98: 		$displayOut = 'Directory';
        !            99: 	}
        !           100: 	if ($isFile){
        !           101: 		$displayOut = 'File';
        !           102: 	}
        !           103: 	
        !           104: 	$displayOut = 	$displayOut.'<form method="POST">
        !           105: 			<input type="hidden" name="selectfile" 
        !           106: 			value="'.$currentFile.'">
        !           107: 			<input type="hidden" name="fileaction" value="delete"> 
        !           108: 			<center>
        !           109: 			<input type="submit" 
        !           110: 			
        !           111: 			value="Delete '.$currentFile.'">
        !           112: 			</center>
        !           113: 			</form>
        !           114: 			<hr />
        !           115: 			<form method="POST">
        !           116: 			<input type="hidden" name="selectfile" 
        !           117: 			value="'.$currentFile.'">
        !           118: 			<input type="hidden" name="fileaction" value="rename"> 
        !           119: 			<input type="input" name="filenewname" value="Type new name here"> 
        !           120: 			<input type="submit" 
        !           121: 			value="Rename '.$currentFile.'">
        !           122: 			</form>
        !           123: 			<hr>';
        !           124: 	$displayOut = $displayOut.'<hr>Add a file to your portfolio';
        !           125: 	# file upload form 
        !           126: 	$displayOut = $displayOut.'<form method="post" enctype="multipart/form-data">';
        !           127: 	$displayOut = $displayOut.'<input name="uploaddoc" type="file">'.
        !           128: 		'<input type="hidden" name="currentpath" value="'.$currentPath.'">'.
        !           129: 		'<input type="submit" name="storeupl" value="Upload">'.
        !           130: 		'</form><hr>';
        !           131: 	$displayOut = $displayOut.'<form method="POST">
        !           132: 		<input name="subdir" type="text" >
        !           133: 		<input type="submit" value="Create Subdirectory">
        !           134: 		</form>
        !           135: 			';
        !           136: 	return $displayOut;
        !           137: }
1.1       banghart  138: sub handler {
1.6     ! banghart  139: 	# this handles file management
        !           140: 	my $r=@_[0];
        !           141: 	my @dirList; # will hold directory listing as array
        !           142: 	my $udir; # returned from home server
        !           143: 	my $currentPath; # path assuming /userfiles/portfolio/ as root
        !           144: 	my $currentFile; # directory or file contained in $pathToRoot.$currentPath
        !           145: 	my $action; # delete, rename, makedirectory, removedirectory,
        !           146: 	my $filenewname; # for rename action (guess what we do with it!)
        !           147: 	my $isFile;
        !           148: 	my $isDir;
        !           149: 	# send header
1.1       banghart  150: 	$r->content_type('text/html');
                    151: 	$r->send_http_header;
1.6     ! banghart  152: 	$r->print('<html><head><title>'.
        !           153:               'Portfolio Management'.
        !           154:               "</title></head>\n");
        !           155: 
        !           156: 	$r->print ('
        !           157: 	<body bgcolor="dogfood">
        !           158: 	<blockquote>');
        !           159: 	#grab stuff that was sent
        !           160: 	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
        !           161:                                             ['selectfile','currentpath', 'currentfile']);
        !           162: 	$r->print ('<br />CP= '.$ENV{'form.currentpath'}.'<br />');
        !           163: 	# currentPath and currentFile need to be set for the rest of things to happen
        !           164: 	# sometimes, currentFile will be passed by a form field, selectedfile
        !           165: 	# if there is no 'form.selectedfile' then the current directory is 
        !           166: 	# considered as selected 
        !           167: 	if ($ENV{'form.currentpath'}){
        !           168: 		$currentPath = $ENV{'form.currentpath'};
        !           169: 	}else{
        !           170: 		$currentPath = '/';
        !           171: 	}
        !           172: 	if ($ENV{'form.selectfile'}){
        !           173: 		$r->print('<br />found selectfile'.$ENV{'form.selectfile'} .'<br />');
        !           174: 		# have to check if the selected file is a subdirectory
        !           175: 		if ($ENV{'form.selectfile'} =~ /-\(Dir\)/){
        !           176: 			# $currentPath =~ /\-\(Dir\)/;
        !           177: 			$currentPath = $`.'/';
        !           178: 			$r->print('<br />'.$currentPath.'<br />');
        !           179: 		}
        !           180: 		$currentFile = $ENV{'form.selectfile'};
        !           181: 	}else{
        !           182: 		$currentFile = '';
        !           183: 	}
        !           184: 	# if we're uploading a file, we need to do it early so it will show in the directory list
1.2       banghart  185: 	if ($ENV{'form.uploaddoc.filename'}){
1.6     ! banghart  186: 		$r->print ($ENV{'form.storeupl'}.'<br />');
        !           187: 		$r->print (&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).'<br />');	
1.2       banghart  188: 	}
1.6     ! banghart  189: 	# similarly, we need to delete or rename files before getting directory list
        !           190: 	if ($ENV{'form.selectfile'}){
        !           191: 		if ($ENV{'form.fileaction'} eq 'delete'){
        !           192: 			&Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );
        !           193: 			$currentFile = '';
        !           194: 		}elsif($ENV{'form.fileaction'} eq 'rename')  {
        !           195: 			&Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'} );
        !           196: 			# $r->print ('We will rename your file');
        !           197: 		}
        !           198: 	}
        !           199: 	# we always need $dirList, plus this will return information about the current file
        !           200: 	# as well as information about he home server directory structure, specifically
        !           201: 	# the path to the users userfiles directory.	
        !           202: 	@dirList = split /<br\s\/>/, (&Apache::lonnet::portfoliolist($currentPath, $currentFile));
        !           203: 	# portfoliolist returns isdir, isfile and udir as the final array elements
        !           204: 	# we'll pop them off the bottom of the array, and put them where they belong
1.2       banghart  205: 	
1.6     ! banghart  206: 	# $londcall added to help debug
        !           207: 	my $londcall = pop @dirList;
        !           208: 	$r->print ('<br />udir '.$londcall.'<br />');
        !           209: 	$udir = pop @dirList;
        !           210: 	$r->print ('<br />path returned '.$udir.'<br />');
        !           211: 	$isFile = pop @dirList;
        !           212: #	$r->print ('<br />isfile '.$isFile.'<br />');
        !           213: 	$isDir = pop @dirList;
        !           214: #	$r->print ('<br />isdir '.$isDir.'<br />');
        !           215: #	return OK if $r->header_only;
        !           216: 	# Stuff to maintain proper setting for selected file
        !           217: 	if ($ENV{'form.selectfile'}){
        !           218: 		if ($ENV{'form.fileaction'} eq 'delete'){
        !           219: 			&Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );
        !           220: 			$ENV{'portfolio.file'} = 'Selected File Deleted';
        !           221: 		}elsif($ENV{'form.fileaction'} eq 'rename')  {
        !           222: 			&Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'} );
        !           223: #			$r->print ('We will rename your file');
        !           224: 		}else{
1.4       banghart  225: 	
1.6     ! banghart  226: 		# Remember user's file selection for later
        !           227: 		$ENV{'portfolio.file'} = $ENV{'form.selectfile'};
        !           228: 		# offer things user can do with selected file
        !           229: 		}
        !           230: 	}else{
        !           231: 		unless ($ENV{'portfolio.file'}){
        !           232: 			$ENV{'portfolio.file'} = 'No File Selected';
        !           233: 		}
        !           234: 	}
        !           235: 	##############################
        !           236: 	#
        !           237: 	# Display begins here
        !           238: 	#
        !           239: 	##############################
        !           240: 	$r->print ('<hr /> start ');
        !           241: 	$r->print ($udir);
        !           242: 	$r->print ('<table border=1><tr><td>');
        !           243: 	$r->print (displayDirectory ($currentPath, $currentFile, $isDir, @dirList));
        !           244: 	$r->print ('</td>><td>');
        !           245: 	$r->print (displayActions ($currentPath, $currentFile, $isDir, $isFile));
        !           246: 	$r->print ('</td>></tr></table>');
        !           247: 	$r->print ('<br />end display<br /><hr />');
        !           248: 	$r->print ('</blockquote></body>');
1.1       banghart  249: 	return OK;
1.2       banghart  250: }
1.1       banghart  251: 
                    252: 1;
                    253: __END__

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