--- loncom/homework/bridgetask.pm 2005/03/17 21:56:04 1.3 +++ loncom/homework/bridgetask.pm 2005/03/31 16:05:13 1.7 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # definition of tags that give a structure to a document # -# $Id: bridgetask.pm,v 1.3 2005/03/17 21:56:04 albertel Exp $ +# $Id: bridgetask.pm,v 1.7 2005/03/31 16:05:13 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -41,21 +41,42 @@ BEGIN { &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph')); } +sub proctor_check_auth { + my ($slot)=@_; + my $user=$ENV{'form.proctorname'}; + my $domain=$ENV{'form.proctordomain'}; + + my @allowed=split(",",$slot->{'proctor'}); + foreach my $possible (@allowed) { + my ($puser,$pdom)=(split('@',$possible)); + if ($puser eq $user && $pdom eq $domain) { + my $authhost=&Apache::lonnet::authenticate($puser,$ENV{'form.proctorpassword'},$pdom); + if ($authhost ne 'no_host') { + $Apache::lonhomework::results{'resource.checkedin'}= + $user.'@'.$domain; + return 1; + } + } + } + return 0; +} + sub start_Task { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; - #&initialize_storage(); - - my $status; - my $accessmsg; + &Apache::structuretags::initialize_storage(); + &Apache::lonhomework::showhash(%Apache::lonhomework::history); + my ($status,$accessmsg,$slot); + $Apache::lonhomework::parsing_a_task=1; #should get back a <html> or the neccesary stuff to start XML/MathML my ($result,$head_tag_start,$body_tag_start,$form_tag_start)= &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval); if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') { - ($status,$accessmsg) = &Apache::lonhomework::check_task_access('0'); + ($status,$accessmsg,$slot) = + &Apache::lonhomework::check_task_access('0'); push (@Apache::inputtags::status,$status); my $expression='$external::datestatus="'.$status.'";'; $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";'; @@ -65,17 +86,19 @@ sub start_Task { ( $status eq 'BANNED') || ( $status eq 'UNAVAILABLE') || ( $status eq 'NOT_IN_A_SLOT') || + ( $status eq 'NEEDS_CHECKIN') || ( $status eq 'INVALID_ACCESS')) { my $bodytext=&Apache::lonxml::get_all_text("/task",$parser); if ( $target eq "web" ) { - $result.= $head_tag_start.'</head>'; - my $msg=$body_tag_start; + $result.= $head_tag_start.'</head>'.$body_tag_start; + my $msg; if ($status eq 'UNAVAILABLE') { $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>'; } elsif ($status eq 'NOT_IN_A_SLOT') { $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>'; - } elsif ($status eq 'IN_A_SLOT') { - $msg.='<h1>'.&mt('You need the Proctor to validate you.').'</h1>'; + } elsif ($status eq 'NEEDS_CHECKIN') { + $msg.='<h1>'.&mt('You need the Proctor to validate you.'). + '</h1>'.&proctor_validation_screen($slot); } elsif ($status ne 'NOT_YET_VIEWED') { $msg.='<h1>'.&mt('Not open to be viewed').'</h1>'; } @@ -90,6 +113,14 @@ sub start_Task { } else { $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm "; } + } elsif ($target eq 'grade') { + if ($status eq 'NEEDS_CHECKIN') { + if (&proctor_check_auth($slot)) { + #FIXME immeadiatly add this to the grading queue + # with slot->{'endtime'} for when grading can + # begin on this resource + } + } } } elsif ($target eq 'web') { my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval); @@ -126,14 +157,15 @@ sub end_Task { } } if ($target eq 'grade') { - #&Apache::lonhomework::showhash(%Apache::lonhomework::results); - #&finalize_storage(); + &Apache::lonhomework::showhash(%Apache::lonhomework::results); + &Apache::structuretags::finalize_storage(); } } elsif ($target eq 'meta') { $result.='<parameter part="0" package="Task"></parameter>'."\n"; #$result.=&Apache::response::meta_part_order(); #$result.=&Apache::response::meta_response_order(); } + undef($Apache::lonhomework::parsing_a_task); return $result; } @@ -141,7 +173,6 @@ sub start_ClosingParagraph { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if ($target eq 'web') { - $result='<table border="1"><tr><td>Closing</td></tr><tr><td>'; } return $result; } @@ -150,7 +181,6 @@ sub end_ClosingParagraph { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if ($target eq 'web') { - $result='</td></tr></table>'; } return $result; } @@ -173,14 +203,11 @@ sub end_Dimension { #then start repicking my $instance=$dimension{'instances'}->[0]; $result=$dimension{'intro'}. - $dimension{$instance.'.text'}. - '<table border="1"><tr><td>Criteria</td></tr><tr><td>'; - foreach my $id (@{$dimension{$instance.'.criterias'}}) { - $result.=$dimension{$instance.'.criteria.'.$id}. - '</td></tr><tr><td>'; - } - $result=~s/<tr><td>$//; - $result.='</table>'; + $dimension{$instance.'.text'}; + #FIXME: don't show the criteria yet + #foreach my $id (@{$dimension{$instance.'.criterias'}}) { + # $result.=$dimension{$instance.'.criteria.'.$id}; + #} } return $result; } @@ -191,8 +218,6 @@ sub start_IntroParagraph { if ($target eq 'web') { if ($tagstack->[-2] eq 'Dimension') { &Apache::lonxml::startredirection(); - } else { - $result='<table border="1"><tr><td>Intro</td></tr><tr><td>'; } } return $result; @@ -204,8 +229,6 @@ sub end_IntroParagraph { if ($target eq 'web') { if ($tagstack->[-2] eq 'Dimension') { $dimension{'intro'}=&Apache::lonxml::endredirection(); - } else { - $result='</td></tr></table>'; } } return $result; @@ -259,5 +282,36 @@ sub end_Criteria { return ''; } +sub proctor_validation_screen { + my ($slot) = @_; + my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser(); + my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg'); + $user=$ENV{'form.proctorname'}; + if ($ENV{'form.proctordomain'}) { $domain=$ENV{'form.proctordomain'}; } + my $msg; + if ($ENV{'form.proctorpassword'}) { + $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.") + .'</font></p>'; + } + my $result= (<<ENDCHECKOUT); +<h2>Proctor Validation</h2> + <p>Your room's proctor needs to validate your access to this resource.</p> + $msg +<form name="checkout" method="POST" action="$ENV{'request.uri'}"> +<input type="hidden" name="validate" value="yes" /> +<input type="hidden" name="submitted" value="yes" /> +<table> + <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$user" /></td></tr> + <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr> + <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr> +</table> +<input type="submit" name="checkoutbutton" value="Validate" /><br /> +Student who should be logged in is:<br /> +<img src="$url" /><br /> +</form> +ENDCHECKOUT + return $result; +} + 1; __END__