--- loncom/interface/portfolio.pm	2004/06/18 20:42:16	1.2
+++ loncom/interface/portfolio.pm	2004/06/28 16:12:06	1.9
@@ -1,3 +1,29 @@
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or 
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+
+
+# http://www.lon-capa.org/
+#
+
+
 package Apache::portfolio;
 use strict;
 use Apache::Constants qw(:common :http);
@@ -7,36 +33,231 @@ use Apache::lontexconvert;
 use Apache::lonfeedback;
 use Apache::lonlocal;
 
+# receives a file name assumed to reside in username/userfiles/portfolio/
+# returns a form consisting of a single submit button labeled with the filename
+sub makeAnchor {
+    my ($fileName, $currentPath) = @_;
+    my $anchor = '<a href="/adm/portfolio?selectfile='.$fileName.'&currentpath='.$currentPath.'">'.$fileName.'</a>';
+#    my $button = '
+#		<form method="POST" action="/adm/portfolio">
+#		<input type="hidden" name="selectfile" value="'.$fileName.'" />
+#		<input type="submit" value="'.$fileName.'" name="storeupl" />
+#		</form>
+#		';
+    return $anchor;
+}
+
+# returns html with <br /> separated contents of the directory
+# returns a <strong>currentFile</strong> (bolds the selected file/dir)
+sub displayDirectory {
+    my ($currentPath, $currentFile, $isDir, @dirList,) = @_;
+    my $displayOut='';	
+    my $fileName;
+    my $upPath;
+    if ($currentPath ne '/') {
+	$displayOut = 'Listing of '.$currentPath.'<br /><hr />'.
+	    # provides the "up one directory level" function
+	    # it means shortening the currentpath to the parent directory
+	    $currentPath =~ m:(^/.*)(/.*/$ ):;
+	if ($1 ne '/') {
+	    $upPath = $1.'/';
+	} else {
+	    $upPath = $1;
+	}
+		
+	$displayOut = $displayOut.'<a href="/adm/portfolio?selectfile=updir&currentpath='.$upPath.'">..</a><br />';
+    } else {
+	$displayOut = $displayOut.'at root '.$currentPath.'<br />';
+    }
+    while ($fileName = shift @dirList) {
+	if (($fileName ne './') && ($fileName ne '../')) {
+	    if ($fileName =~ m:/$:) {
+		# handle directories different from files
+		if ($fileName eq $currentFile) {
+		    #checks to bold the selected file
+		    $displayOut = $displayOut.'<strong>'.(&makeAnchor($fileName, $currentPath.$fileName).'</strong><br />');
+		} else {
+		    $displayOut = $displayOut.(&makeAnchor($fileName, $currentPath.$fileName).'<br />');
+		}
+	    } else {
+		if ($fileName eq $currentFile) {
+		    #checks to bold the selected file
+		    $displayOut = $displayOut.'<strong>'.(&makeAnchor($fileName, $currentPath).'</strong><br />');
+		} else {
+		    $displayOut = $displayOut.(&makeAnchor($fileName, $currentPath).'<br />');
+		}
+	    }
+	}
+    }
+    #$displayOut = $displayOut.
+    return $displayOut;
+}
+
+# returns html to offer user appropriate actions depending on selected
+# file/directory
+sub displayActions {
+    my $displayOut;
+    my ($currentPath, $currentFile, $isDir, $isFile) = @_;
+#   $displayOut = 'here are actions for '.$currentFile;
+    if ($isDir){
+	$displayOut = 'Directory';
+    }
+    if ($isFile){
+	$displayOut = 'File';
+    }
+    
+    $displayOut = $displayOut.'<form method="POST">
+			<input type="hidden" name="selectfile" 
+			value="'.$currentFile.'" />
+			<input type="hidden" name="fileaction" value="delete" /> 
+			<center>
+			<input type="submit" 
+			
+			value="Delete '.$currentFile.'" />
+			</center>
+			</form>
+			<hr />
+			<form method="POST">
+			<input type="hidden" name="selectfile" 
+			value="'.$currentFile.'" />
+			<input type="hidden" name="fileaction" value="rename" /> 
+			<input type="input" name="filenewname" value="Type new name here" /> 
+			<input type="submit" 
+			value="Rename '.$currentFile.'" />
+			</form>
+			<hr />';
+    $displayOut = $displayOut.'<hr />Add a file to your portfolio';
+    # file upload form 
+    $displayOut = $displayOut.'<form method="post" enctype="multipart/form-data">';
+    $displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.
+	'<input type="hidden" name="currentpath" value="'.$currentPath.'" />'.
+	'<input type="submit" name="storeupl" value="Upload" />'.
+	'</form><hr>';
+    $displayOut = $displayOut.'<form method="POST">
+		<input name="subdir" type="text" />
+		<input type="submit" value="Create Subdirectory" />
+		</form>
+			';
+    return $displayOut;
+}
+
 sub handler {
-	my $r=@_[0];
-	$r->content_type('text/html');
-	$r->send_http_header;
-	return OK if $r->header_only;
-	my $file=&Apache::lonnet::filelocation("",$r->uri);	
-	my $contents=&Apache::lonnet::getfile($file);
-	$r->print ('<br />Current contents of your portfolio directory: <br />');
-	$r->print (&Apache::lonnet::portfoliolist($r->uri, $ENV{'user.domain'}, $ENV{'user.name'}, udef ));
-	$r->print ('<br /> call to dirlist precedes <br />');
-	if ($ENV{'form.uploaddoc.filename'}){
-		$r->print ('<br /> call to userfileupload follows <br />');
-		$r->print (&Apache::lonnet::userfileupload('uploaddoc',undef,'portfolio').'<br />');	
-		$r->print ('<br /> call to userfileupload precedes <br />');
-	}
-
-	$r->print ($ENV{'form.uploaddoc.filename'}.'<br />');
-	$r->print ($ENV{'form.storeupl'}.'<br />');
-	$r->print ($ENV{'form.saywhat'}.'<br />');
-
-	$r->print("here's the form<br />");
-	# file upload form 
-	$r->print('<form method="post" enctype="multipart/form-data">');
-	$r->print('<input name="uploaddoc" type="file">'.
-	
-		'<input type="submit" name="storeupl" value="Upload">'
-		);
-	$r->print('</form>');
-	return OK;
+    # this handles file management
+    my ($r)=@_;
+    my @dirList; # will hold directory listing as array
+    my $udir; # returned from home server
+    my $currentPath; # path assuming /userfiles/portfolio/ as root
+    my $currentFile; # directory or file contained in $pathToRoot.$currentPath
+    my $action; # delete, rename, makedirectory, removedirectory,
+    my $filenewname; # for rename action (guess what we do with it!)
+    my $isFile;
+    my $isDir;
+    # send header
+    # FIXME need to start using
+    # &Apache::loncommon::content_type()
+    $r->content_type('text/html');
+    $r->send_http_header;
+    $r->print('<html><head><title>'.
+              'Portfolio Management'.
+              "</title></head>\n");
 
+    # FIXME need to start using
+    # &Apache::loncommon::bodytag()
+    $r->print('
+	<body bgcolor="dogfood">
+	<blockquote>');
+    #grab stuff that was sent
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                            ['selectfile','currentpath',
+					     'currentfile']);
+    $r->print ('<br />CP= '.$ENV{'form.currentpath'}.'<br />');
+    # currentPath and currentFile need to be set for the rest of things to happen
+    # sometimes, currentFile will be passed by a form field, selectedfile
+    # if there is no 'form.selectedfile' then the current directory is 
+    # considered as selected 
+    if ($ENV{'form.currentpath'}) {
+	$currentPath = $ENV{'form.currentpath'};
+    } else {
+	$currentPath = '/';
+    }
+    if ($ENV{'form.selectfile'}) {
+	$r->print('<br />found selectfile'.$ENV{'form.selectfile'} .'<br />');
+	# have to check if the selected file is a subdirectory
+	if ($ENV{'form.selectfile'} =~ /-\(Dir\)/) {
+	    # $currentPath =~ /\-\(Dir\)/;
+	    $currentPath = $`.'/';
+	    $r->print('<br />'.$currentPath.'<br />');
+	}
+	$currentFile = $ENV{'form.selectfile'};
+    } else {
+	$currentFile = '';
+    }
+    # if we're uploading a file, we need to do it early so it will show in the directory list
+    if ($ENV{'form.uploaddoc.filename'}) {
+	$r->print($ENV{'form.storeupl'}.'<br />');
+	$r->print(&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).'<br />');	
+    }
+    # similarly, we need to delete or rename files before getting directory list
+    if ($ENV{'form.selectfile'}) {
+	if ($ENV{'form.fileaction'} eq 'delete') {
+	    &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );
+	    $currentFile = '';
+	} elsif($ENV{'form.fileaction'} eq 'rename') {
+	    &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'} );
+	    # $r->print('We will rename your file');
+	}
+    }
+    # we always need $dirList, plus this will return information about the current file
+    # as well as information about he home server directory structure, specifically
+    # the path to the users userfiles directory.	
+    @dirList = split /<br\s\/>/, (&Apache::lonnet::portfoliolist($currentPath, $currentFile));
+    # portfoliolist returns isdir, isfile and udir as the final array elements
+    # we'll pop them off the bottom of the array, and put them where they belong
+    
+    # $londcall added to help debug
+    my $londcall = pop(@dirList);
+    $r->print('<br />udir '.$londcall.'<br />');
+    $udir = pop(@dirList);
+    $r->print('<br />path returned '.$udir.'<br />');
+    $isFile = pop(@dirList);
+#   $r->print('<br />isfile '.$isFile.'<br />');
+    $isDir = pop(@dirList);
+#   $r->print('<br />isdir '.$isDir.'<br />');
+#   return OK if $r->header_only;
+    # Stuff to maintain proper setting for selected file
+    if ($ENV{'form.selectfile'}) {
+	if ($ENV{'form.fileaction'} eq 'delete') {
+	    &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );
+	    $ENV{'portfolio.file'} = 'Selected File Deleted';
+	} elsif($ENV{'form.fileaction'} eq 'rename') {
+	    &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'} );
+#			$r->print('We will rename your file');
+	} else {
+	    
+	    # Remember user's file selection for later
+	    $ENV{'portfolio.file'} = $ENV{'form.selectfile'};
+	    # offer things user can do with selected file
+	}
+    } else {
+	unless ($ENV{'portfolio.file'}) {
+	    $ENV{'portfolio.file'} = 'No File Selected';
+	}
+    }
+    ##############################
+    #
+    # Display begins here
+    #
+    ##############################
+    $r->print('<hr /> start ');
+    $r->print($udir);
+    $r->print('<table border="1"><tr><td>');
+    $r->print(&displayDirectory($currentPath, $currentFile, $isDir, @dirList));
+    $r->print('</td><td>');
+    $r->print(&displayActions($currentPath, $currentFile, $isDir, $isFile));
+    $r->print('</td></tr></table>');
+    $r->print('<br />end display<br /><hr />');
+    $r->print('</blockquote></body>');
+    return OK;
 }
 
 1;