[LON-CAPA-cvs] cvs: loncom /homework chemresponse.pm

Sun, 04 May 2003 08:45:22 -0000

albertel		Sun May  4 04:45:22 2003 EDT

  Added files:                 
    /loncom/homework	chemresponse.pm 
  Log:
  - adding <chemresponse> thi version work for student input on Mozilla,
    needs:
      - edit mode
      - to be installed
      - <chemstructure>
      - check to work with IE and Netscape 4.X DOM models
      - add JME files
      - inorganic mode
  
  

Index: loncom/homework/chemresponse.pm
+++ loncom/homework/chemresponse.pm
# The LearningOnline Network with CAPA
# chemical equation style response
#
# $Id: chemresponse.pm,v 1.1 2003/05/04 08:45:22 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::chemresponse;
use strict;
use Apache::lonxml;
use Apache::lonnet;

BEGIN {
    &Apache::lonxml::register('Apache::chemresponse',('chemresponse','chemstructure'));
}

sub seperate_jme_window {
    my ($id,$molecule)=@_;
    my $body=<<CHEMPAGE;
<html>
<head>
<title>Molecule Editor</title>
<script language="JavaScript">
function submitSmiles() {
    smiles = document.applets.JME.smiles();
    if (smiles == "") {
	alert("Nothing to submit");
    } else {
	jmeFile = document.applets.JME.jmeFile();
	opener.document.lonhomework.HWVAL_$id.value = smiles;
	opener.document.lonhomework.MOLECULE_$id.value = jmeFile;
	window.close();
    }
}
function openHelpWindow() {
    window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600")
}
</script>
</head>
<body bgcolor="#ffffff">
<center>
<applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="97%" height="78%">
You have to enable Java and JavaScript on your machine.
<param name="jme" value="$molecule" />
</applet><br />
<font face="arial,helvetica,sans-serif" size=-1><a href="http://www.molinspiration.com/jme/index.html">JME Editor</a> courtesy of Peter Ertl, Novartis</font>
<form>
<input type="button" name="submit" value="Insert Answer" onClick = "submitSmiles();" />
<br />
<input type="button" value="  Close  " onClick = "window.close()" />
&nbsp;&nbsp;
<input type="button" value="  Help  " onClick = "openHelpWindow()" />
</form>
</center>
</body>
</html>
CHEMPAGE
    $body=&HTML::Entities::encode($body);
    $body=~s/\n/ /g;
    my $result=<<CHEMINPUT;
<input type="button" value="Draw Molecule" onClick="javascript:editor=window.open('','','width=500,height=500,scrollbars=no,resizable=yes');editor.document.open('text/html','replace');editor.document.writeln('$body')" />
CHEMINPUT
    return $result;
}

sub start_chemresponse {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
    my $result;
    my $partid = $Apache::inputtags::part;
    my $id = &Apache::response::start_response($parstack,$safeeval);
    if ($target eq 'meta') {
    } elsif ($target eq 'web') {
	my $molecule;
	if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
	    $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
	} else {
	    $molecule=&Apache::lonxml::get_param('molecule',$parstack,
						 $safeeval);
	}
	$result=&seperate_jme_window($id,$molecule);
	$result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
    }
    return $result;
}

sub end_chemresponse {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
    my $result;
    if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
	&Apache::response::setup_params($$tagstack[-1]);
	my $response = &Apache::response::getresponse();
	if ( $response =~ /[^\s]/) {
	    my $partid = $Apache::inputtags::part;
	    my $id = $Apache::inputtags::response['-1'];
	    my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
	    my %previous = &Apache::response::check_for_previous($response,$partid,$id);
	    $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
	    &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
	    my $ad;
	    if ($response eq $answer) {
		$ad='EXACT_ANS';
	    } else {
		$ad='INCORRECT';
	    }
	    &Apache::response::handle_previous(\%previous,$ad);
	    $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
	    $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$ENV{"form.MOLECULE_$id"};
	}
    }
    &Apache::response::end_response;
    return $result;
}

sub start_chemstructure {
}

sub end_chemstructure {
}

1;
__END__