--- loncom/homework/lonhomework.pm 2001/01/11 15:20:58 1.31 +++ loncom/homework/lonhomework.pm 2001/08/06 20:33:23 1.52 @@ -14,25 +14,42 @@ use Apache::response; use Apache::hint; use Apache::outputtags; use Apache::Constants qw(:common); +#use Time::HiRes qw( gettimeofday tv_interval ); + +sub BEGIN { + &Apache::lonxml::register_insert(); +} sub get_target { if ( $ENV{'request.state'} eq "published") { - if ( defined $ENV{'form.submit'}) { + if ( defined $ENV{'form.submitted'}) { return ('grade', 'web'); } else { return ('web'); } } elsif ($ENV{'request.state'} eq "construct") { if ( defined $ENV{'form.preview'}) { - if ( defined $ENV{'form.submit'}) { + if ( defined $ENV{'form.submitted'}) { return ('grade', 'web'); } else { return ('web'); } } else { - #return ('edit'); - #edit is currently broken - return ('web'); + if ( $ENV{'form.problemmode'} eq 'View' ) { + if ( defined $ENV{'form.submitted'}) { + return ('grade', 'web'); + } else { + return ('web'); + } + } elsif ( $ENV{'form.problemmode'} eq 'Edit' ) { + if ( $ENV{'form.submitted'} eq 'edit' ) { + return ('modified','edit'); + } else { + return ('edit'); + } + } else { + return ('web'); + } } } return (); @@ -47,18 +64,26 @@ sub setup_vars { sub send_header { my ($request)= @_; $request->print(&Apache::lontexconvert::header()); - $ENV{'request.uri'}=$request->uri; # $request->print('
'); } +sub createmenu { + my ($which,$request)=@_; + if ($which eq 'grade') { + $request->print(''); + } +} + sub send_footer { my ($request)= @_; # $request->print('
'); $request->print(&Apache::lontexconvert::footer()); } -#@Apache::lonhomework::date_status=(); -#@Apache::lonhomework::date_msg=(); +$Apache::lonxml::browse=''; sub check_date { my ($id) = @_; my $date =''; @@ -95,7 +120,7 @@ sub check_date { $datemsg = "is due at $date"; } elsif ($type eq 'answerdate') { $status='CLOSED'; - $datemsg = "was due as $lastdate, and answers will be available at $date"; + $datemsg = "was due on $lastdate, and answers will be available on $date"; } if ($status eq 'CAN_ANSWER') { #check #tries @@ -106,6 +131,11 @@ sub check_date { if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; } } &Apache::lonxml::debug("sending back :$status:$datemsg:"); + if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) { + &Apache::lonxml::debug("should be allowed to browse a resource when closed"); + $status='CAN_ANSWER'; + $datemsg='is closed but you are allowed to view it'; + } if ($ENV{'request.state'} eq "construct") { &Apache::lonxml::debug("in construction ignoring dates"); $status='CAN_ANSWER'; @@ -114,13 +144,24 @@ sub check_date { return ($status,$datemsg); } -sub handler { - my $request=$_[0]; +sub showhash { + my (%hash) = @_; + my $resultkey; + foreach $resultkey (sort keys %hash) { + &Apache::lonxml::debug("$resultkey ---- $hash{$resultkey}"); + } + &Apache::lonxml::debug("\n
restored values^
\n"); + return ''; +} - if ( $ENV{'user.name'} eq 'albertel' ) { $Apache::lonxml::debug=1; } - - my (@targets) = &get_target(); +sub setuppermissions { + $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'}); + $Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); + return '' +} +sub setupheader { + my $request=$_[0]; if ($ENV{'browser.mathml'}) { $request->content_type('text/xml'); } else { @@ -128,37 +169,71 @@ sub handler { } $request->send_http_header; return OK if $request->header_only; - - &Apache::lonhomework::send_header($request); - - #check if allowed to see - + return '' +} + +sub handle_save_or_undo { + my ($request,$problem,$result) = @_; + my $fileout = &Apache::lonnet::filelocation("",$request->uri); + my $filesave=$fileout.".bak"; + + if ($ENV{'form.Undo'} eq 'undo') { + if (copy($filesave,$fileout)) { + $request->print("Undid changes, Copied $filesave to $fileout
"); + } else { + $request->print("Unable to undo, unable to copy $filesave to $fileout
"); + } + } else { + my $fs=Apache::File->new(">$filesave"); + if (defined($fs)) { + print $fs $$problem; + $request->print("Making Backup to $filesave
"); + } else { + $request->print("Unable to make backup $filesave"); + } + my $fh=Apache::File->new(">$fileout"); + if (defined($fh)) { + print $fh $$result; + $request->print("Saving Modifications to $fileout
"); + } else { + $request->print("Unable to write to $fileout"); + } + } +} + +sub renderpage { + my ($request,$file) = @_; + + my (@targets) = &get_target(); foreach my $target (@targets) { - my $file=&Apache::lonnet::filelocation("",$request->uri); + #my $t0 = [&gettimeofday()]; my $problem=&Apache::lonnet::getfile($file); if ($problem == -1) { &Apache::lonxml::error(" Unable to find $file"); $problem=''; } - + my %mystyle; my $result = ''; &Apache::inputtags::initialize_inputtags; + &Apache::edit::initialize_edit; %Apache::lonhomework::results=(); - %Apache::lonhomework::history=&Apache::lonnet::restore; + %Apache::lonhomework::history=&Apache::lonnet::restore(); #ignore error conditions my ($temp)=keys %Apache::lonhomework::history ; if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); } - if ($target eq 'web' && &Apache::lonnet::symbread() eq '') { - $request->print("Vieiwing this problem as not a student, submissions will be ignored."); - } - if ($target eq 'grade') { - my $resultkey; - foreach $resultkey (sort keys %Apache::lonhomework::history) { - &Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::history{$resultkey}"); + if ($target eq 'web') { + if (&Apache::lonnet::symbread() eq '') { + if ($ENV{'request.state'} eq "construct") { + $request->print("In construction space, submissions ignored
"); + } else { + $request->print("Browsing or ambiguous reference, submissions ignored
"); + } } - &Apache::lonxml::debug("\n
restored values^
\n"); + #if ($Apache::lonhomework::viewgrades eq 'F') {&createmenu('grade',$request); } } + if ($target eq 'grade') { &showhash(%Apache::lonhomework::history); } + my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm'); if ($default == -1) { &Apache::lonxml::error("Unable to find default_homework.lcpm"); @@ -168,24 +243,139 @@ sub handler { $default.&setup_vars($target),%mystyle); #$request->print("Result follows:"); - $request->print($result); + if ($target eq 'modified') { + &handle_save_or_undo($request,\$problem,\$result); + } else { + #my $td=&tv_interval($t0); + #if ( $Apache::lonxml::debug) { + #$result =~ s:::; + #$result.="
Spent $td seconds processing target $target\n"; + #} + $request->print($result); + } #$request->print(":Result ends"); - if ($target eq 'grade') { + if ($target eq 'grade') { &showhash(%Apache::lonhomework::results); } - my $resultkey; - foreach $resultkey (sort keys %Apache::lonhomework::results) { - &Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::results{$resultkey}"); - } - &Apache::lonxml::debug("\n
storing values^
\n"); - } - + #store new values my ($temp) = keys %Apache::lonhomework::results; if ( $temp ne '' ) { - &Apache::lonxml::debug("Store return message:".&Apache::lonnet::cstore(%Apache::lonhomework::results)); + &Apache::lonxml::debug("Store return message:". + &Apache::lonnet::cstore(\%Apache::lonhomework::results)); + } + #my $td=&tv_interval($t0); + } +} + +# with no arg it returns a HTML "; } } - &Apache::lonhomework::send_footer($request); - + return $result; +} + +sub newproblem { + my ($request) = @_; + + my $extension=$request->uri; + $extension=~s:^.*\.([\w]+)$:$1:; + &Apache::lonxml::debug("Looking for :$extension:"); + if ($ENV{'form.template'}) { + use File::Copy; + my $file = &get_template_list($ENV{'form.template'},$extension); + my $dest = &Apache::lonnet::filelocation("",$request->uri); + copy($file,$dest); + &renderpage($request,$file); + } else { + my $templatelist=&get_template_list('',$extension); + my $url=$request->uri; + my $dest = &Apache::lonnet::filelocation("",$request->uri); + $request->print(< +The request file $url doesn\'t exist. You can create a new $extension
+
+
+ +
+ +ENDNEWPROBLEM + } + + return ''; +} + +sub view_or_edit_menu { + my ($request) = @_; + my $url=$request->uri; + $request->print(< +
+Would you like to or + the problem. +
+ +EDITMENU +} + +sub handler { + #my $t0 = [&gettimeofday()]; + my $request=$_[0]; + + if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} + + if (&setupheader($request)) { return OK; } + $ENV{'request.uri'}=$request->uri; + + #setup permissions + $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'}); + $Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); + &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:"); + + my $file=&Apache::lonnet::filelocation("",$request->uri); + + #check if we know where we are + if ($ENV{'request.course.fn'} && !&Apache::lonnet::symbread()) { + # if we are browsing we might not be able to know where we are + if ($Apache::lonhomework::browse ne 'F') { + #should know where we are, so ask + $request->internal_redirect('/adm/ambiguous'); return; + } + } + + if ($ENV{'request.state'} eq "construct") { + if ( -e $file ) { + if (!(defined $ENV{'form.problemmode'})) { + #first visit to problem in construction space + &view_or_edit_menu($request); + #&renderpage($request,$file); + } else { + &renderpage($request,$file); + } + } else { + # requested file doesn't exist in contruction space + &newproblem($request); + } + } else { + # just render the page normally outside of construction space + &renderpage($request,$file); + } + #my $td=&tv_interval($t0); + #&Apache::lonxml::debug("Spent $td seconds processing"); + # &Apache::lonhomework::send_footer($request); + # always turn off debug messages + $Apache::lonxml::debug=0; return OK; }