[LON-CAPA-cvs] cvs: loncom / loncapa_apache.conf startup.pl /homework bridgetask.pm lonhomework.pm /xml lonxml.pm doc/loncapafiles loncapafiles.lpml

albertel lon-capa-cvs@mail.lon-capa.org
Wed, 16 Mar 2005 19:09:44 -0000


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albertel		Wed Mar 16 14:09:44 2005 EDT

  Added files:                 
    /loncom/homework	bridgetask.pm 

  Modified files:              
    /doc/loncapafiles	loncapafiles.lpml 
    /loncom	loncapa_apache.conf startup.pl 
    /loncom/homework	lonhomework.pm 
    /loncom/xml	lonxml.pm 
  Log:
  - can do a very simplistic rendering of a bridge task, doesn't actually implement any of the functionality, just puls it a part, picks the first <Instance> in a <Dimension> and wraps the <Criteria> in a <table> , enough to get started on implementing the proper acces controls logic
  
  
  
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Index: doc/loncapafiles/loncapafiles.lpml
diff -u doc/loncapafiles/loncapafiles.lpml:1.417 doc/loncapafiles/loncapafiles.lpml:1.418
--- doc/loncapafiles/loncapafiles.lpml:1.417	Wed Mar  9 14:39:32 2005
+++ doc/loncapafiles/loncapafiles.lpml	Wed Mar 16 14:09:43 2005
@@ -2,7 +2,7 @@
  "http://lpml.sourceforge.net/DTD/lpml.dtd">
 <!-- loncapafiles.lpml -->
 
-<!-- $Id: loncapafiles.lpml,v 1.417 2005/03/09 19:39:32 www Exp $ -->
+<!-- $Id: loncapafiles.lpml,v 1.418 2005/03/16 19:09:43 albertel Exp $ -->
 
 <!--
 
@@ -4114,6 +4114,15 @@
 <status>works/unverified</status>
 </file>
 <file>
+  <source>loncom/homework/bridgetask.pm</source>
+  <target dist='default'>home/httpd/lib/perl/Apache/bridgetask.pm</target>
+  <categoryname>handler</categoryname>
+  <description>
+implements the tags for supporting bridge tasks
+  </description>
+  <status>works/unverified</status>
+</file>
+<file>
 <source>loncom/homework/response.pm</source>
 <target dist='default'>home/httpd/lib/perl/Apache/response.pm</target>
 <categoryname>handler</categoryname>
Index: loncom/loncapa_apache.conf
diff -u loncom/loncapa_apache.conf:1.106 loncom/loncapa_apache.conf:1.107
--- loncom/loncapa_apache.conf:1.106	Tue Mar 15 17:17:20 2005
+++ loncom/loncapa_apache.conf	Wed Mar 16 14:09:43 2005
@@ -1,7 +1,7 @@
 ##
 ## loncapa_apache.conf -- Apache HTTP LON-CAPA configuration file
 ##
-## $Id: loncapa_apache.conf,v 1.106 2005/03/15 22:17:20 albertel Exp $
+## $Id: loncapa_apache.conf,v 1.107 2005/03/16 19:09:43 albertel Exp $
 ##
 
 #
@@ -269,7 +269,7 @@
 PerlHandler Apache::lonxml
 </LocationMatch>
 
-<LocationMatch "^/+(res|\~).*\.(problem|exam|quiz|assess|survey|form|library)$">
+<LocationMatch "^/+(res|\~).*\.(task|problem|exam|quiz|assess|survey|form|library)$">
 SetHandler perl-script
 PerlHandler Apache::lonhomework
 </LocationMatch>
Index: loncom/startup.pl
diff -u loncom/startup.pl:1.19 loncom/startup.pl:1.20
--- loncom/startup.pl:1.19	Tue Dec 28 17:30:28 2004
+++ loncom/startup.pl	Wed Mar 16 14:09:43 2005
@@ -119,6 +119,7 @@
 use Apache::scripttag();
 use Apache::structuretags();
 use Apache::portfolio();
+use Apache::bridgetask();
 # can't include this one due to the way it does it's BEGIN
 use Apache::loncreateuser();
 1;
Index: loncom/homework/lonhomework.pm
diff -u loncom/homework/lonhomework.pm:1.197 loncom/homework/lonhomework.pm:1.198
--- loncom/homework/lonhomework.pm:1.197	Mon Feb 28 22:24:05 2005
+++ loncom/homework/lonhomework.pm	Wed Mar 16 14:09:43 2005
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.197 2005/03/01 03:24:05 albertel Exp $
+# $Id: lonhomework.pm,v 1.198 2005/03/16 19:09:43 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -209,6 +209,10 @@
     }
     return $allowed;
 }
+
+sub check_task_access {
+    return &check_access;
+}
 # JB, 9/24/2002: Any changes in this function may require a change
 # in lonnavmaps::resource::getDateStatus.
 sub check_access {
Index: loncom/xml/lonxml.pm
diff -u loncom/xml/lonxml.pm:1.364 loncom/xml/lonxml.pm:1.365
--- loncom/xml/lonxml.pm:1.364	Wed Mar 16 10:46:42 2005
+++ loncom/xml/lonxml.pm	Wed Mar 16 14:09:44 2005
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.364 2005/03/16 15:46:42 albertel Exp $
+# $Id: lonxml.pm,v 1.365 2005/03/16 19:09:44 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1056,7 +1056,8 @@
 sub newparser {
   my ($parser,$contentref,$dir) = @_;
   push (@$parser,HTML::LCParser->new($contentref));
-  $$parser['-1']->xml_mode('1');
+  $$parser[-1]->xml_mode(1);
+  $$parser[-1]->marked_sections(1);
   if ( $dir eq '' ) {
     push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]);
   } else {

Index: loncom/homework/bridgetask.pm
+++ loncom/homework/bridgetask.pm
# The LearningOnline Network with CAPA 
# definition of tags that give a structure to a document
#
# $Id: bridgetask.pm,v 1.1 2005/03/16 19:09:44 albertel Exp $
#
# 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::bridgetask; 

use strict;
use Apache::lonnet;
use Apache::File();
use Apache::lonmenu;
use Apache::lonlocal;
use Apache::lonxml;
use Time::HiRes qw( gettimeofday tv_interval );
BEGIN {
    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
}

sub start_Task {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;

    #&initialize_storage();

    my $status;
    my $accessmsg;

    #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,$accessmsg) = &Apache::lonhomework::check_task_access('0');
	push (@Apache::inputtags::status,$status);
	my $expression='$external::datestatus="'.$status.'";';
	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
	&Apache::run::run($expression,$safeeval);
	&Apache::lonxml::debug("Got $status");
	if (( $status eq 'CLOSED' ) ||
	    ( $status eq 'BANNED') ||
	    ( $status eq 'UNAVAILABLE') ||
	    ( $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;
		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 ne 'NOT_YET_VIEWED') {
		    $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
		}
		if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
		    $msg.='The problem '.$accessmsg;
		}
		$result.=$msg.'<br />';
	    } elsif ($target eq 'tex') {
		$result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
		if ($status eq 'UNAVAILABLE') {
		    $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
		} else {
		    $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
		}
	    }
	} elsif ($target eq 'web') {
	    my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
	    $result.="$head_tag_start<title>$name</title></head>
              $body_tag_start \n $form_tag_start".	
	      '<input type="hidden" name="submitted" value="yes" />';
	    # if we are viewing someone else preserve that info
	    if (defined $ENV{'form.grade_symb'}) {
		foreach my $field ('symb','courseid','domain','username') {
		    $result .= '<input type="hidden" name="grade_'.$field.
			'" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
		}
	    }
	}
    } else {
	# page_start returned a starting result, delete it if we don't need it
	$result = '';
    }
    return $result;
}

sub end_Task {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result='';
    my $status=$Apache::inputtags::status['-1'];
    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
	$target eq 'tex') {
	if (
	    (($target eq 'web') && ($ENV{'request.state'} ne 'construct')) ||
	    ($target eq 'answer') || ($target eq 'tex')
	   ) {
	    if ($target eq 'web') {
		$result.=&Apache::lonxml::xmlend().'</html>';
	    }
	}
	if ($target eq 'grade') {
	    #&Apache::lonhomework::showhash(%Apache::lonhomework::results);
	    #&finalize_storage();
	}
    } elsif ($target eq 'meta') {
	#$result=&Apache::response::mandatory_part_meta;
	#$result.=&Apache::response::meta_part_order();
	#$result.=&Apache::response::meta_response_order();
    }
    return $result;
}

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;
}

sub end_ClosingParagraph {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result;
    if ($target eq 'web') {
	$result='</td></tr></table>';
    }
    return $result;
}

my %dimension;
my $dim_id;
sub start_Dimension {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    undef(%dimension);
    $dim_id=$Apache::lonxml::curdepth;
    return '';
}

sub end_Dimension {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result;
    if ($target eq 'web') {
	#FIXME just grabbing the first one for now, need
	#to randomly pick one until all have been seen
	#then start repicking
	my $instance=$dimension{'instances'}->[0];
	my $result=$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>';
    }
    return $result;
}

sub start_IntroParagraph {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result;
    if ($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;
}

sub end_IntroParagraph {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    my $result;
    if ($target eq 'web') {
	if ($tagstack->[-2] eq 'Dimension') {
	    $dimension{'intro'}=&Apache::lonxml::endredirection();
	} else {
	    $result='</td></tr></table>';
	}
    }
    return $result;
}

my $instance_id;
sub start_Instance {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    push(@{$dimension{'instances'}},$Apache::lonxml::curdepth);
    $instance_id=$Apache::lonxml::curdepth;
    return '';
}

sub end_Instance {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    return '';
}

sub start_InstanceText {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    if ($target eq 'web') {
	&Apache::lonxml::startredirection();
    }
    return '';
}

sub end_InstanceText {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    if ($target eq 'web') {
	$dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();
    }
    return '';
}

sub start_Criteria {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    if ($target eq 'web') {
	&Apache::lonxml::startredirection();
    }
    return '';
}

sub end_Criteria {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
    if ($target eq 'web') {
	my $criteria=&Apache::lonxml::endredirection();
	my $id=$Apache::lonxml::curdepth;
	$dimension{$instance_id.'.criteria.'.$id}=$criteria;
	push(@{$dimension{$instance_id.'.criterias'}},$id);
    }
    return '';
}

1;
__END__

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