# 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);
use Apache::loncommon;
use Apache::lonnet;
use Apache::lontexconvert;
use Apache::lonfeedback;
use Apache::lonlocal;
# receives a file name and path stub from username/userfiles/portfolio/
# returns an anchor tag consisting encoding filename and currentpath
sub make_anchor {
my ($filename, $current_path) = @_;
my $anchor = '<a href="/adm/portfolio?selectfile='.$filename.'¤tpath='.$current_path.'">'.$filename.'</a>';
return $anchor;
}
# returns html with <br /> separated contents of the directory
# returns a <strong>currentFile</strong> (bolds the selected file/dir)
sub display_directory_old {
my ($currentPath, $currentFile, @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 = $displayOut.'<a href="/adm/portfolio?selectfile='.$upPath.'¤tpath='.$upPath.'">..</a><br />';
} else {
# $displayOut = $displayOut.'at root '.$currentPath.'<br />';
}
foreach my $line (@dirList) {
#$strip holds directory/file name
#$dom
my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
if (($filename ne '.') && ($filename ne '..')) {
if ($testdir =~ m:^1:) {
# handle directories different from files
if ($filename eq $currentFile) {
#checks to bold the selected file
$displayOut.= '<strong>'.(&make_anchor($filename.'/', $filename.'/').'</strong><br />'."\n");
} else {
$displayOut.= (&make_anchor($filename.'/', $filename.'/').'<br />'."\n");
}
} else {
if ($filename eq $currentFile) {
#checks to bold the selected file
$displayOut.='<strong>'.(&make_anchor($filename, $currentPath).'</strong><br />'."\n");
} else {
$displayOut.=(&make_anchor($filename, $currentPath).'<br />'."\n");
}
}
}
}
return $displayOut;
}
sub displayActions {
# returns html to offer user appropriate actions depending on selected file/directory
my $displayOut;
my ($currentPath, $currentFile, $isEmpty) = @_;
# $displayOut = 'here are actions for '.$currentFile;
if ($currentFile =~ m:/$:) {
# if the selected file is a directory, these are the options
# offer the chance to delete the directory only if it is empty
if ($isEmpty && ($currentPath ne '/')) {
$displayOut = $displayOut.'<form method="POST">
<input type="hidden" name="selectfile"
value="'.$currentFile.'" />
<input type="hidden" name="fileaction" value="delete" />
<input type="hidden" name="currentpath" value="'.$currentPath.'" />
<center>
<input type="submit"
value="Delete '.$currentFile.'" />
</center>
</form>';
}
if ($currentPath ne '/') {
$displayOut = $displayOut.'<hr />
<form method="POST">
<input type="hidden" name="selectfile"
value="'.$currentFile.'" />
<input type="hidden" name="fileaction" value="rename" />
<input type="hidden" name="currentpath" value="'.$currentPath.'" />
<input type="input" name="filenewname" value="Type new name here" />
<input type="submit"
value="Rename '.$currentFile.'" />
</form>';
}
} else { #action options offered for files
$displayOut = $displayOut.'<form method="POST">';
$displayOut = $displayOut.'<input type="hidden" name="selectfile"';
$displayOut = $displayOut.'value="'.$currentFile;
$displayOut = $displayOut.'" /><input type="hidden" name="fileaction" value="delete" />
<input type="hidden" name="currentpath" value="'.$currentPath.'" />
<center>
<input type="submit"
value="Delete '.$currentFile.'" />
</center>
</form>';
$displayOut = $displayOut.'<hr />
<form method="POST">
<input type="hidden" name="selectfile"
value="'.$currentFile.'" />
<input type="hidden" name="fileaction" value="rename" />
<input type="hidden" name="currentpath" value="'.$currentPath.'" />
<input type="input" name="filenewname" value="Type new name here" />
<input type="submit"
value="Rename '.$currentFile.'" />
</form>
<hr />';
}
$displayOut = $displayOut.'<hr />Add a file to '.$currentPath;
# 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;
}
my $dirptr=16384;
sub display_directory {
my ($r,$current_path,$dir_list)=@_;
my $iconpath= $r->dir_config('lonIconsURL') . "/";
$r->print('<table border="0" cellspacing="2" cellpadding="2"><tr valign="middle">');
$r->print('<td bgcolor="#ccddaa" align="center">');
my $displayOut = '<form method="post" enctype="multipart/form-data">';
$displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.
'<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
'<input type="submit" name="storeupl" value="Upload" />'.
'</form>';
$r->print($displayOut);
$r->print('</td></tr><tr><td bgcolor="#ccddaa" align="center">');
$displayOut = '<form method="post">';
$displayOut .= '<input name="newdir" type="input" />'.
'<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
'<input type="submit" name="createdir" value="'.&mt("Create Directory").'" />'.
'</form>';
$r->print($displayOut);
$r->print('</td></tr></table>');
my @tree = split (/\//,$current_path);
$r->print('<font size="+2">'.&make_anchor('/','/'));
if (@tree > 1){
my $newCurrentPath = '';
for (my $i = 1; $i< @tree; $i++){
$newCurrentPath .= $tree[$i].'/';
$r->print(&make_anchor($tree[$i],'/'.$newCurrentPath).'/');
}
}
$r->print('</font>');
&Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
$r->print('<br /><form method=post action="/adm/portfolio">'.
&Apache::lonhtmlcommon::select_recent('portfolio','currentpath',
'this.form.submit();'));
$r->print("</form>");
$r->print('<table border="0" cellspacing="2" cellpadding="2">'.
'<tr><th>Actions</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio/$current_path/";
foreach my $line (@$dir_list) {
#$strip holds directory/file name
#$dom
my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
if (($filename ne '.') && ($filename ne '..')) {
if ($dirptr&$testdir) {
$r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
$r->print('<td>Go to ...</td>');
$r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/').'</td>');
$r->print('</tr>');
} else {
$r->print('<tr bgcolor="#CCCCFF">');
$r->print('<td>
<form method="post" action="/adm/portfolio">
<select name="action">
<option value=""></option>
<option value="delete">'.&mt("Delete").'</option>
<option value="rename">'.&mt("Rename").'</option>
</select>
<input type="submit" name="doit" value="Go" />
<input type="hidden" name="selectfile" value="'.$filename.'" />
<input type="hidden" name="currentpath" value="'.$current_path.'" />
</form>
</td>');
$r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
$r->print('<td><a href="'.$href_location.$filename.'">'.
$filename.'</a></td>');
$r->print('<td>'.$size.'</td>');
$r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
$r->print('</tr>');
}
}
}
# <tr bgcolor="#FFAA99"> pink bg
# <tr bgcolor="#CCCCFF"> blue bg
# $r->print(&display_directory($current_path, $currentFile, @dir_list));
# $r->print('</td>><td>');
# $r->print(&display_actions($current_path, $currentFile, $isEmpty));
$r->print('</table></form>');
}
sub open_form {
my ($r)=@_;
$r->print('<form method="post" action="/adm/portfolio">');
$r->print('<input type="hidden" name="action" value="'.
$ENV{'form.action'}.'" />');
$r->print('<input type="hidden" name="confirmed" value="1" />');
$r->print('<input type="hidden" name="selectfile" value="'.
$ENV{'form.selectfile'}.'" />');
$r->print('<input type="hidden" name="currentpath" value="'.
$ENV{'form.currentpath'}.'" />');
}
sub close_form {
my ($r)=@_;
$r->print('<p><input type="submit" value="'.&mt('Continue').
'" /></p></form>');
$r->print('<form action="/adm/portfolio" method="POST">
<p>
<input type="hidden" name="currentpath" value="'.
$ENV{'form.currentpath'}.'" />
<input type="submit" value="'.&mt('Cancel').'" />
</p></form>');
}
sub display_file {
return $ENV{'form.currentpath'}.$ENV{'form.selectfile'};
}
sub done {
return ('<h3><a href="/adm/portfolio?currentpath='.
$ENV{'form.currentpath'}.'">'.&mt('Done').'</a></h3>');
}
sub delete {
my ($r)=@_;
&open_form($r);
$r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
&close_form($r);
}
sub delete_confirmed {
my ($r)=@_;
my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio'.
$ENV{'form.currentpath'}.
$ENV{'form.selectfile'});
if ($result ne 'ok') {
$r->print('<font color="red"> An errror occured ('.$result.
') while trying to delete '.&display_file().'</font><br />');
}
$r->print(&done());
}
sub rename {
my ($r)=@_;
&open_form($r);
$r->print('<p>'.&mt('Rename').' '.&display_file().'?</p>');
&close_form($r);
}
sub rename_confirmed {
my ($r)=@_;
&Apache::lonnet::renameuserfile($ENV{'form.currentpath'}.$ENV{'form.selectfile'}, 'rename', $ENV{'form.currentpath'}.$ENV{'form.filenewname'} );
}
sub upload {
my ($r)=@_;
#FIXME if the file already exists we need to do a confirmation pass
#before overwriting
my $result=&Apache::lonnet::userfileupload('uploaddoc','',
'portfolio'.$ENV{'form.currentpath'});
if ($result !~ m|^/uploaded/|) {
$r->print('<font color="red"> An errror occured ('.$result.
') while trying to upload '.&display_file().'</font><br />');
}
$r->print(&done());
}
sub createdir {
my ($r)=@_;
#FIXME 1) bad dirnames
# 2) file exists in place of dir
my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.newdir'});
if ($result ne 'ok') {
$r->print('<font color="red"> An errror occured ('.$result.
') while trying to create a new directory '.&display_file().'</font><br />');
}
$r->print(&done());
}
sub handler {
# this handles file management
my $r = shift;
my @dir_list; # will hold directory listing as array
my $udir; # returned from home server
my $currentFile; # directory or file contained in $pathToRoot.$current_path
my $action; # delete, rename, makedirectory, removedirectory,
my $filenewname; # for rename action (guess what we do with it!)
my $isFile;
&Apache::loncommon::no_cache($r);
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
# Give the LON-CAPA page header
$r->print('<html><head><title>'.
&mt('Portfolio Manager').
"</title></head>\n".
&Apache::loncommon::bodytag('Portfolio Manager'));
$r->rflush();
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['selectfile','currentpath',
'currentfile']);
# if we're uploading a file, we need to do it early so it will
# show in the directory list
if ($ENV{'form.uploaddoc.filename'}) {
&upload($r);
} elsif ($ENV{'form.action'} eq 'delete') {
if ($ENV{'form.confirmed'}) {
&delete_confirmed($r);
} else {
&delete($r);
}
} elsif ($ENV{'form.action'} eq 'rename') {
# similarly, we need to delete or rename files before getting
# directory list
&rename($r);
} elsif ($ENV{'form.createdir'}) {
&createdir($r);
} else {
my $current_path='/';
if ($ENV{'form.currentpath'}) {
$current_path = $ENV{'form.currentpath'};
}
my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
$ENV{'user.name'}).
'/userfiles/portfolio';
@dir_list=&Apache::lonnet::dirlist($current_path,$ENV{'user.domain'},
$ENV{'user.name'},$portfolio_root);
# need to know if directory is empty so it can be removed if desired
my $is_empty=(@dir_list == 2);
&display_directory($r,$current_path,\@dir_list);
}
$r->print("</body>\n</html>\n");
$r->rflush();
return OK;
}
1;
__END__
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