# 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 $anchor = ''.$filename.'';
return $anchor;
}
# returns html with separated contents of the directory
# returns a currentFile (bolds the selected file/dir)
sub display_directory {
my ($currentPath, $currentFile, @dirList,) = @_;
my $displayOut='';
my $filename;
my $upPath;
if ($currentPath ne '/') {
$displayOut = 'Listing of '.$currentPath.'
';
# 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.'.. ';
} else {
# $displayOut = $displayOut.'at root '.$currentPath.' ';
}
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
$displayOut.= ''.(&make_anchor($filename.'/', $filename.'/').' '."\n");
} else {
$displayOut.= (&make_anchor($filename.'/', $filename.'/').' '."\n");
}
} else {
if ($filename eq $currentFile) {
#checks to bold the selected file
$displayOut.=''.(&make_anchor($filename, $currentPath).' '."\n");
} else {
$displayOut.=(&make_anchor($filename, $currentPath).' '."\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 = $displayOut.'';
}
if ($currentPath ne '/') {
$displayOut = $displayOut.'
';
}
} else { #action options offered for files
$displayOut = $displayOut.'';
$displayOut = $displayOut.'';
}
$displayOut = $displayOut.'Add a file to '.$currentPath;
# file upload form
$displayOut = $displayOut.'';
$displayOut = $displayOut.'
';
return $displayOut;
}
sub handler {
# this handles file management
my $r = shift;
my $iconpath= $r->dir_config('lonIconsURL') . "/";
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 $isEmpty;
my $dirptr=16384;
&Apache::loncommon::no_cache($r);
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
# Give the LON-CAPA page header
$r->print(''.
&mt('Portfolio Manager').
"\n".
&Apache::loncommon::bodytag('Portfolio Manager'));
$r->rflush();
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['selectfile','currentpath', 'currentfile']);
# 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'}) {
# have to check if the selected file is a subdirectory
if ($ENV{'form.selectfile'} =~ /-\(Dir\)/) {
# $currentPath =~ /\-\(Dir\)/;
$currentPath = $`.'/';
$r->print(' '.$currentPath.' ');
}
$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'}.' ');
$r->print(&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).' ');
}
# similarly, we need to delete or rename files before getting directory list
if ($ENV{'form.selectfile'}) {
if ($ENV{'form.fileaction'} eq 'delete') {
$r->print(' trying to delete '.$currentPath.$ENV{'form.selectfile'}.' ');
$r->print(&Apache::lonnet::removeuserfile($ENV{'user.name'}, $ENV{'user.domain'},'portfolio'.$currentPath.$ENV{'form.selectfile'}));
$currentFile = '';
} elsif ($ENV{'form.fileaction'} eq 'rename') {
&Apache::lonnet::portfoliomanage($currentPath.$ENV{'form.selectfile'}, 'rename', $currentPath.$ENV{'form.filenewname'} );
}
}
# we always need $dirList, plus this will return information about the current file
# as well as information about the home server directory structure, specifically
# the path to the users userfiles directory.
#
my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
$ENV{'user.name'}).
'/userfiles/portfolio';
@dirList = &Apache::lonnet::dirlist($currentPath, $ENV{'user.domain'}, $ENV{'user.name'}, $portfolio_root);
if (@dirList == 2) { # need to know if directory is empty so it can be removed if desired
$isEmpty = 1;
} else {
$isEmpty = 0;
}
if ($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'});
} 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('
');
$r->print('
');
my $displayOut = '';
$r->print($displayOut);
$r->print('
');
my $displayOut = '';
$r->print($displayOut);
$r->print('
');
my @tree = split (/\//,$currentPath);
$r->print(''.&make_anchor('/','/'));
if (@tree > 1){
my $newCurrentPath = '';
for (my $i = 1; $i< @tree; $i++){
$newCurrentPath .= $tree[$i].'/';
$r->print(&make_anchor($tree[$i],'/'.$newCurrentPath).'/');
}
}
$r->print('');
&Apache::lonhtmlcommon::store_recent('portfolio',$currentPath,$currentPath);
$r->print(' ");
$r->print('
'.
'
Actions
Name
Size
Last Modified
');
my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio/$currentPath/";
foreach my $line (@dirList) {
#$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('