Annotation of loncom/homework/inputtags.pm, revision 1.310

1.43      albertel    1: # The LearningOnline Network with CAPA
                      2: # input  definitons
1.47      albertel    3: #
1.310   ! foxr        4: # $Id: inputtags.pm,v 1.309 2012/09/14 11:23:58 goltermann Exp $
1.47      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.1       albertel   27: 
1.249     jms        28: =pod
                     29: 
                     30: =head1 NAME
                     31: 
                     32: Apache::inputtags
                     33: 
                     34: =head1 SYNOPSIS
                     35: 
                     36: 
                     37: 
                     38: This is part of the LearningOnline Network with CAPA project
                     39: described at http://www.lon-capa.org.
                     40: 
                     41: 
                     42: =head1 NOTABLE SUBROUTINES
                     43: 
                     44: =over
                     45: 
                     46: =item 
                     47: 
                     48: =back
                     49: 
                     50: =cut
                     51: 
1.1       albertel   52: package Apache::inputtags;
1.55      albertel   53: use HTML::Entities();
1.1       albertel   54: use strict;
1.82      www        55: use Apache::loncommon;
1.265     raeburn    56: use Apache::lonhtmlcommon;
1.115     www        57: use Apache::lonlocal;
1.165     albertel   58: use Apache::lonnet;
1.192     www        59: use LONCAPA;
                     60:  
1.1       albertel   61: 
1.50      harris41   62: BEGIN {
1.286     www        63:     &Apache::lonxml::register('Apache::inputtags',('hiddensubmission','hiddenline','textfield','textline'));
1.1       albertel   64: }
                     65: 
1.249     jms        66: =pod
                     67: 
                     68: =item initialize_inputtags()
                     69: 
                     70: Initializes a set of global variables used during the parse of the problem.
                     71: 
                     72: @Apache::inputtags::input        - List of current input ids.
                     73: @Apache::inputtags::inputlist    - List of all input ids seen this problem.
                     74: @Apache::inputtags::response     - List of all current resopnse ids.
                     75: @Apache::inputtags::responselist - List of all response ids seen this 
                     76:                                      problem.
                     77: @Apache::inputtags::hint         - List of all hint ids.
                     78: @Apache::inputtags::hintlist     - List of all hint ids seen this problem.
                     79: @Apache::inputtags::previous     - List describing if specific responseds
                     80:                                      have been used
                     81: @Apache::inputtags::previous_version - Submission responses were used in.
                     82: $Apache::inputtags::part         - Current part id (valid only in 
                     83:                                      <problem>)
                     84:                                    0 if not in a part.
                     85: @Apache::inputtags::partlist     - List of part ids seen in the current
                     86:                                      <problem>
                     87: @Apache::inputtags::status       - List of problem  statuses. First 
                     88:                                    element is the status of the <problem>
                     89:                                    the remainder are for individual <part>s.
                     90: %Apache::inputtags::params       - Hash of defined parameters for the
                     91:                                    current response.
                     92: @Apache::inputtags::import       - List of all ids for <import> thes get
                     93:                                    join()ed and prepended.
                     94: @Apache::inputtags::importlist   - List of all import ids seen.
                     95: $Apache::inputtags::response_with_no_part
                     96:                                  - Flag set true if we have seen a response
                     97:                                    that is not inside a <part>
                     98: %Apache::inputtags::answertxt    - <*response> tags store correct
                     99:                                    answer strings for display by <textline/>
                    100:                                    in this hash.
                    101: %Apache::inputtags::submission_display
                    102:                                  - <*response> tags store improved display
                    103:                                    of submission strings for display by part
                    104:                                    end.
                    105: 
                    106: =cut
1.178     albertel  107: 
1.1       albertel  108: sub initialize_inputtags {
1.135     albertel  109:     @Apache::inputtags::input=();
                    110:     @Apache::inputtags::inputlist=();
1.174     albertel  111:     @Apache::inputtags::response=();
1.135     albertel  112:     @Apache::inputtags::responselist=();
1.174     albertel  113:     @Apache::inputtags::hint=();
1.173     albertel  114:     @Apache::inputtags::hintlist=();
1.135     albertel  115:     @Apache::inputtags::previous=();
                    116:     @Apache::inputtags::previous_version=();
                    117:     $Apache::inputtags::part='';
                    118:     @Apache::inputtags::partlist=();
                    119:     @Apache::inputtags::status=();
                    120:     %Apache::inputtags::params=();
                    121:     @Apache::inputtags::import=();
                    122:     @Apache::inputtags::importlist=();
                    123:     $Apache::inputtags::response_with_no_part=0;
1.144     albertel  124:     %Apache::inputtags::answertxt=();
1.217     albertel  125:     %Apache::inputtags::submission_display=();
1.103     albertel  126: }
                    127: 
1.310   ! foxr      128: #
        !           129: #  provides the onblur binding for spellchecking.  This could be an
        !           130: #  empty string if spellchecking was not enabled.
        !           131: #  Jquery selector binding is done rather than setting an onblur
        !           132: #  attribute because we'll need to set the element's spellcheck language
        !           133: #  option dynamically so we need $(this) to be defined.
        !           134: #
        !           135: # @param id   - The element id to bind.
        !           136: # @param lang - Language in which spellchecking is desired.
        !           137: #               if undef, nothing is generated.  
        !           138: # @return string - onblur specification to do the requested spellchecking.
        !           139: #
        !           140: sub spellcheck_onblur {
        !           141:     my ($id, $lang) = @_;
        !           142:     my $result = '';
        !           143:     if ($lang) {
        !           144: 
        !           145: 	$result = <<JAVASCRIPT;
        !           146: <script type="text/javascript">
        !           147: \$('\#$id').blur(function() {
        !           148:     doSpellcheck('\#$id', '$lang');
        !           149:  });
        !           150: </script>
        !           151: 
        !           152: JAVASCRIPT
        !           153: 
        !           154: 
        !           155:     }
        !           156:     return $result;
        !           157: }
        !           158: 
1.103     albertel  159: sub check_for_duplicate_ids {
                    160:     my %check;
                    161:     foreach my $id (@Apache::inputtags::partlist,
                    162: 		    @Apache::inputtags::responselist,
1.173     albertel  163: 		    @Apache::inputtags::hintlist,
1.103     albertel  164: 		    @Apache::inputtags::importlist) {
                    165: 	$check{$id}++;
                    166:     }
                    167:     my @duplicates;
                    168:     foreach my $id (sort(keys(%check))) {
                    169: 	if ($check{$id} > 1) {
                    170: 	    push(@duplicates,$id);
                    171: 	}
                    172:     }
                    173:     if (@duplicates) {
                    174: 	&Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
                    175:     }
1.1       albertel  176: }
                    177: 
1.14      albertel  178: sub start_input {
1.135     albertel  179:     my ($parstack,$safeeval)=@_;
1.228     albertel  180:     my $id = &Apache::lonxml::get_id($parstack,$safeeval);
1.135     albertel  181:     push (@Apache::inputtags::input,$id);
                    182:     push (@Apache::inputtags::inputlist,$id);
                    183:     return $id;
1.14      albertel  184: }
                    185: 
                    186: sub end_input {
1.135     albertel  187:     pop @Apache::inputtags::input;
                    188:     return '';
1.14      albertel  189: }
                    190: 
1.124     www       191: sub addchars {
                    192:     my ($fieldid,$addchars)=@_;
                    193:     my $output='';
                    194:     foreach (split(/\,/,$addchars)) {
                    195: 	$output.='<a href="javascript:void(document.forms.lonhomework.'.
                    196: 	    $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
                    197:     }
                    198:     return $output;
                    199: }
                    200: 
1.48      albertel  201: sub start_textfield {
1.185     albertel  202:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.135     albertel  203:     my $result = "";
                    204:     my $id = &start_input($parstack,$safeeval);
                    205:     my $resid=$Apache::inputtags::response[-1];
                    206:     if ($target eq 'web') {
                    207: 	$Apache::lonxml::evaluate--;
1.205     albertel  208: 	my $partid=$Apache::inputtags::part;
1.274     raeburn   209:         my ($oldresponse,$newvariation);
                    210:         if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
                    211:              ($Apache::lonhomework::type eq 'randomizetry')) &&
                    212:              ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
                    213:             if ($env{'form.'.$partid.'.rndseed'} ne
                    214:                 $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
                    215:                 $newvariation = 1;
                    216:             }
                    217:         }
                    218:         unless ($newvariation) {
1.302     raeburn   219: 	    $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
1.274     raeburn   220:         }
1.135     albertel  221: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    222: 	    my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    223: 	    if ( $cols eq '') { $cols = 80; }
                    224: 	    my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
1.143     www       225: 	    if ( $rows eq '') { $rows = 16; }
1.135     albertel  226: 	    my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    227: 	    $result='';
1.310   ! foxr      228: 	    my $tagident = 'HWVAL_' . $resid;
1.135     albertel  229: 	    if ($addchars) {
1.310   ! foxr      230: 		$result.=&addchars($tagident, $addchars);
1.135     albertel  231: 	    }
1.308     foxr      232:             my $textareaclass = 'class="LC_richDetectHtml spellchecked"';
1.310   ! foxr      233: 	    $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$tagident.'" ' .
1.308     foxr      234: 		      'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
                    235: 		      .'>'.
1.302     raeburn   236:                       &HTML::Entities::encode($oldresponse,'<>&"');
1.135     albertel  237: 	    if ($oldresponse ne '') {
1.143     www       238: 
1.135     albertel  239: 		#get rid of any startup text if the user has already responded
1.185     albertel  240: 		&Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.135     albertel  241: 	    }
                    242: 	} else {
1.205     albertel  243: 	    #show past answer in the essayresponse case
                    244: 	    if ($oldresponse =~ /\S/
                    245: 		&& &Apache::londefdef::is_inside_of($tagstack,
                    246: 						    'essayresponse') ) {
                    247: 		$result='<table class="LC_pastsubmission"><tr><td>'.
                    248: 		    $oldresponse.'</td></tr></table>';
                    249: 	    }
1.135     albertel  250: 	    #get rid of any startup text
1.185     albertel  251: 	    &Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.61      albertel  252: 	}
1.135     albertel  253:     } elsif ($target eq 'grade') {
1.185     albertel  254: 	my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    255: 						   $style);
1.165     albertel  256: 	if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
1.135     albertel  257: 	    # if the seed text is still there it wasn't a real submission
1.165     albertel  258: 	    $env{'form.HWVAL_'.$resid}='';
1.135     albertel  259: 	}
                    260:     } elsif ($target eq 'edit') {
                    261: 	$result.=&Apache::edit::tag_start($target,$token);
                    262: 	$result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
                    263: 	$result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
                    264: 	$result.=&Apache::edit::text_arg
                    265: 	    ('Click-On Texts (comma sep):','addchars',$token,10);
1.185     albertel  266: 	my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    267: 						   $style);
1.135     albertel  268: 	$result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
                    269:     } elsif ($target eq 'modified') {
                    270: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    271: 						     $safeeval,'rows','cols',
                    272: 						     'addchars');
                    273: 	if ($constructtag) {
                    274: 	    $result = &Apache::edit::rebuild_tag($token);
                    275: 	} else {
                    276: 	    $result=$token->[4];
                    277: 	}
                    278: 	$result.=&Apache::edit::modifiedfield("/textfield",$parser);
                    279:     } elsif ($target eq 'tex') {
                    280: 	my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
                    281: 	my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    282: 	if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
                    283: 	    $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
                    284: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    285: 	    $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
                    286: 	} else {
1.309     golterma  287: 	    my $fieldname = $env{'request.symb'}.
                    288:                     '&part_'. $Apache::inputtags::part.
                    289:                     '&textresponse'.
                    290:                     '&HWVAL_' . $Apache::inputtags::response['-1'];
                    291:             $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85
                    292:                 .85 .85}]\\';
1.135     albertel  293: 	}
1.60      albertel  294:     }
1.135     albertel  295:     return $result;
1.6       albertel  296: }
                    297: 
1.48      albertel  298: sub end_textfield {
1.135     albertel  299:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    300:     my $result;
                    301:     if ($target eq 'web') {
1.310   ! foxr      302: 	my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
1.135     albertel  303: 	$Apache::lonxml::evaluate++;
                    304: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.310   ! foxr      305: 	    my $resid = $Apache::inputtags::response[-1];
        !           306: 	    my $tagident = 'HWVAL_' . $resid;
        !           307: 	    my $result =  "</textarea>";
        !           308: 	    $result .= &spellcheck_onblur($tagident, $spellcheck);
        !           309: 	    return $result;
1.135     albertel  310: 	}
                    311:     } elsif ($target eq 'edit') {
                    312: 	$result=&Apache::edit::end_table();
                    313:     }
                    314:     &end_input;
                    315:     return $result;
1.6       albertel  316: }
                    317: 
1.190     albertel  318: sub exam_score_line {
1.188     albertel  319:     my ($target) = @_;
1.190     albertel  320: 
1.188     albertel  321:     my $result;
                    322:     if ($target eq 'tex') {
                    323: 	my $repetition = &Apache::response::repetition();
                    324: 	$result.='\begin{enumerate}';
1.190     albertel  325: 	if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
1.188     albertel  326: 	foreach my $i (0..$repetition-1) {
                    327: 	    $result.='\item[\textbf{'.
                    328: 		($Apache::lonxml::counter+$i).
                    329: 		'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
                    330: 	}
                    331: 	$result.= '\end{enumerate}';
1.190     albertel  332:     }
                    333: 
                    334:     return $result;
                    335: }
                    336: 
                    337: sub exam_box {
                    338:     my ($target) = @_;
                    339:     my $result;
1.188     albertel  340: 
1.190     albertel  341:     if ($target eq 'tex') {
                    342: 	$result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
                    343: 	$result .= &exam_score_line($target);
1.188     albertel  344:     } elsif ($target eq 'web') {
                    345: 	my $id=$Apache::inputtags::response[-1];
                    346: 	$result.= '<br /><br />
                    347:                    <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                    348:                    </textarea> <br /><br />';
                    349:     }
                    350:     return $result;
                    351: }
                    352: 
                    353: sub needs_exam_box {
                    354:     my ($tagstack) = @_;
                    355:     my @tags = ('formularesponse',
                    356: 		'stringresponse',
                    357: 		'reactionresponse',
                    358: 		'organicresponse',
                    359: 		);
                    360: 
                    361:     foreach my $tag (@tags) {
                    362: 	if (grep(/\Q$tag\E/,@$tagstack)) {
                    363: 	    return 1;
                    364: 	}
                    365:     }
                    366:     return 0;
                    367: }
                    368: 
1.1       albertel  369: sub start_textline {
1.135     albertel  370:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    371:     my $result = "";
1.210     albertel  372:     my $input_id = &start_input($parstack,$safeeval);
1.310   ! foxr      373: 
        !           374:     # The spellcheck attribute 
        !           375:     # 1. enables spellchecking.
        !           376:     # 2. Provides the language code in which the spellchecking will be performed.
        !           377: 
        !           378:     my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
1.135     albertel  379:     if ($target eq 'web') {
                    380: 	$Apache::lonxml::evaluate--;
                    381: 	my $partid=$Apache::inputtags::part;
                    382: 	my $id=$Apache::inputtags::response[-1];
1.204     albertel  383: 	if (!&Apache::response::show_answer()) {
1.135     albertel  384: 	    my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    385: 	    my $maxlength;
                    386: 	    if ($size eq '') { $size=20; } else {
1.214     albertel  387: 		if ($size < 20) {
                    388: 		    $maxlength = ' maxlength="'.$size.'"';
                    389: 		}
1.135     albertel  390: 	    }
1.274     raeburn   391:             my ($oldresponse,$newvariation);
                    392:             if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
                    393:                  ($Apache::lonhomework::type eq 'randomizetry')) &&
                    394:                  ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
                    395:                 if ($env{'form.'.$partid.'.rndseed'} ne
                    396:                     $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
                    397:                     $newvariation = 1;
                    398:                 }
                    399:             }
                    400:             unless ($newvariation) {
                    401: 	        $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
                    402: 	        &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
                    403: 	        if (ref($oldresponse) eq 'ARRAY') {
                    404: 		    $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
                    405: 	        }
                    406: 	        $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
                    407:                 $oldresponse =~ s/^\s+//;
                    408:                 $oldresponse =~ s/\s+$//;
                    409:                 $oldresponse =~ s/\s+/ /g;
                    410:             }
1.135     albertel  411: 	    if ($Apache::lonhomework::type ne 'exam') {
                    412: 		my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    413: 		$result='';
                    414: 		if ($addchars) {
                    415: 		    $result.=&addchars('HWVAL_'.$id,$addchars);
                    416: 		}
1.157     albertel  417: 		my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
                    418: 							$safeeval);
1.193     albertel  419: 		if (lc($readonly) eq 'yes' 
                    420: 		    || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1.157     albertel  421: 		    $readonly=' readonly="readonly" ';
1.158     albertel  422: 		} else {
                    423: 		    $readonly='';
1.157     albertel  424: 		}
1.193     albertel  425: 		my $name = 'HWVAL_'.$id;
                    426: 		if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
                    427: 		    $name = "none";
                    428: 		}
1.310   ! foxr      429: 		$result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
        !           430: 		     . ' type="text" '
        !           431: 		     . $readonly.' name="'. $name . '"'
        !           432: 		     . ' id="' . $name . '"'
        !           433: 		     . ' value="'.  $oldresponse.'"'
        !           434: 		     . ' class="spellchecked"  size="'.$size.'"'.$maxlength
        !           435: 		     . '/>';
        !           436: 
        !           437: 		$result .= &spellcheck_onblur($name, $spellcheck);
1.135     albertel  438: 	    }
1.188     albertel  439: 	    if ($Apache::lonhomework::type eq 'exam'
                    440: 		&& &needs_exam_box($tagstack)) {
                    441: 		$result.=&exam_box($target);
                    442: 	    }
1.135     albertel  443: 	} else {
                    444: 	    #right or wrong don't show what was last typed in.
1.208     albertel  445: 	    my $count = scalar(@Apache::inputtags::inputlist)-1;
                    446: 	    $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
1.144     albertel  447: 	    #$result='';
1.135     albertel  448: 	}
                    449:     } elsif ($target eq 'edit') {
                    450: 	$result=&Apache::edit::tag_start($target,$token);
                    451: 	$result.=&Apache::edit::text_arg('Size:','size',$token,'5').
1.157     albertel  452: 	    &Apache::edit::text_arg('Click-On Texts (comma sep):',
                    453: 				    'addchars',$token,10);
                    454:         $result.=&Apache::edit::select_arg('Readonly:','readonly',
                    455: 					   ['no','yes'],$token);
                    456: 	$result.=&Apache::edit::end_row();
                    457: 	$result.=&Apache::edit::end_table();
1.135     albertel  458:     } elsif ($target eq 'modified') {
1.157     albertel  459: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    460: 						     $safeeval,'size',
                    461: 						     'addchars','readonly');
1.135     albertel  462: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.188     albertel  463:     } elsif ($target eq 'tex' 
                    464: 	     && $Apache::lonhomework::type ne 'exam') {
1.135     albertel  465: 	my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    466: 	if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
1.257     onken     467: 	if ($env{'form.pdfFormFields'} eq 'yes'
                    468:             && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.246     onken     469:             my $fieldname = $env{'request.symb'}.
                    470:                                  '&part_'. $Apache::inputtags::part.
                    471:                                  '&textresponse'.
                    472:                                  '&HWVAL_' . $Apache::inputtags::response['-1'];
1.259     onken     473:             $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
1.246     onken     474:         } else {
                    475:             $result='\framebox['.$size.'][s]{\tiny\strut}';
                    476:         }
1.188     albertel  477:     } elsif ($target eq 'tex' 
                    478: 	     && $Apache::lonhomework::type eq 'exam'
                    479: 	     && &needs_exam_box($tagstack)) {
                    480: 	$result.=&exam_box($target);
1.135     albertel  481:     }
                    482:     return $result;
1.1       albertel  483: }
                    484: 
                    485: sub end_textline {
1.135     albertel  486:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    487:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    488:     elsif ($target eq 'edit') { return ('','no'); }
1.208     albertel  489:     &end_input();
1.135     albertel  490:     return "";
1.9       albertel  491: }
                    492: 
1.98      albertel  493: sub start_hiddenline {
                    494:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    495:     my $result = "";
1.211     albertel  496:     my $input_id = &start_input($parstack,$safeeval);
1.98      albertel  497:     if ($target eq 'web') {
                    498: 	$Apache::lonxml::evaluate--;
                    499: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    500: 	    my $partid=$Apache::inputtags::part;
                    501: 	    my $id=$Apache::inputtags::response[-1];
1.211     albertel  502: 	    my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
                    503: 	    if (ref($oldresponse) eq 'ARRAY') {
                    504: 		$oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
                    505: 	    }
                    506: 	    $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
                    507: 
1.98      albertel  508: 	    if ($Apache::lonhomework::type ne 'exam') {
                    509: 		$result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
                    510: 		    $oldresponse.'" />';
                    511: 	    }
                    512: 	}
                    513:     } elsif ($target eq 'edit') {
                    514: 	$result=&Apache::edit::tag_start($target,$token);
                    515: 	$result.=&Apache::edit::end_table;
                    516:     }
1.189     albertel  517: 
                    518:     if ( ($target eq 'web' || $target eq 'tex')
                    519: 	 && $Apache::lonhomework::type eq 'exam'
                    520: 	 && &needs_exam_box($tagstack)) {
                    521: 	$result.=&exam_box($target);
                    522:     }
1.98      albertel  523:     return $result;
                    524: }
                    525: 
                    526: sub end_hiddenline {
1.135     albertel  527:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    528:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    529:     elsif ($target eq 'edit') { return ('','no'); }
1.211     albertel  530:     &end_input();
1.135     albertel  531:     return "";
1.98      albertel  532: }
                    533: 
1.286     www       534: 
                    535: sub start_hiddensubmission {
                    536:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    537:     my $result = "";
                    538:     my $input_id = &start_input($parstack,$safeeval);
                    539:     if ($target eq 'web') {
                    540:         $Apache::lonxml::evaluate--;
                    541:         if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    542:             my $partid=$Apache::inputtags::part;
                    543:             my $id=$Apache::inputtags::response[-1];
                    544:             if ($Apache::lonhomework::type ne 'exam') {
                    545:                 my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    546:                 $value = &HTML::Entities::encode($value,'<>&"');
                    547:                 $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
                    548:             }
                    549:         }
                    550:     } elsif ($target eq 'edit') {
                    551:         $result=&Apache::edit::tag_start($target,$token);
                    552:         $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
                    553:         $result.=&Apache::edit::end_row();
                    554:         $result.=&Apache::edit::end_table();
                    555:     } elsif ($target eq 'modified') {
                    556:         my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    557:                                                      $safeeval,'value');
                    558:         if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    559:     }
                    560: 
                    561:     if ( ($target eq 'web' || $target eq 'tex')
                    562:          && $Apache::lonhomework::type eq 'exam'
                    563:          && &needs_exam_box($tagstack)) {
                    564:         $result.=&exam_box($target);
                    565:     }
                    566:     return $result;
                    567: }
                    568: 
                    569: sub end_hiddensubmission {
                    570:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    571:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    572:     elsif ($target eq 'edit') { return ('','no'); }
                    573:     &end_input();
                    574:     return "";
                    575: }
                    576: 
1.249     jms       577: =pod
                    578: 
                    579: =item file_selector()
                    580: 
                    581: $part -> partid
                    582: $id -> responseid
                    583: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
1.252     raeburn   584: $which -> 'uploadonly'  -> only newly uploaded files
1.249     jms       585:           'portfolioonly' -> only allow files from portfolio
                    586:           'both' -> allow files from either location
                    587: $extratext -> additional text to go between the link and the input box
1.252     raeburn   588: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
1.249     jms       589: returns a table row <tr> 
                    590: 
                    591: =cut
                    592: 
1.160     albertel  593: sub file_selector {
1.252     raeburn   594:     my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
1.160     albertel  595:     if (!$uploadedfiletypes) { return ''; }
1.167     albertel  596: 
                    597:     my $jspart=$part;
                    598:     $jspart=~s/\./_/g;
                    599: 
1.160     albertel  600:     my $result;
1.265     raeburn   601:     my $current_files_display = &current_file_submissions($part,$id);
                    602:     my $addfiles;
                    603:     if ($current_files_display) {
1.268     raeburn   604:         $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
1.265     raeburn   605:                    $current_files_display.
                    606:                    &Apache::lonhtmlcommon::row_closure();
                    607:         $addfiles = &mt('Submit other file(s)');
                    608:     } else {
                    609:         $addfiles = &mt('Choose file(s) to submit');
                    610:     }
                    611:     $result .= &Apache::lonhtmlcommon::row_title($addfiles);
                    612:     my $constraints;
                    613:     if ($uploadedfiletypes ne '*') {
                    614: 	$constraints =
                    615: 	    &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
                    616:     }
                    617:     if ($maxfilesize) {
                    618:         $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
                    619:                         '<b>'.$maxfilesize.'</b>').'<br />';
                    620:     }
                    621:     if ($constraints) {
                    622:         $result .= $constraints.'<br />';
1.162     albertel  623:     }
1.160     albertel  624:     if ($which eq 'uploadonly' || $which eq 'both') { 
1.265     raeburn   625: 	$result.=&mt('Submit a file: (only one file per submission)').
1.160     albertel  626: 	    ' <br /><input type="file" size="50" name="HWFILE'.
1.293     raeburn   627: 	    $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
1.160     albertel  628:     }
1.265     raeburn   629:     if ( $which eq 'both') {
1.160     albertel  630: 	$result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
                    631:     }
1.303     raeburn   632:     if ($which eq 'portfolioonly' || $which eq 'both') {
                    633:         my $symb = $env{'request.symb'};
                    634:         (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
                    635:         my $showsymb;
                    636:         # If resource is a .task and URL is unencrypted, include symb in query string
                    637:         # for url opened in portfolio file selection window. Can be used to override
                    638:         # blocking of portfolio access resulting from an exam event in a different course. 
                    639:         if ($res =~ /\.task$/i) {
                    640:             my $encsymb = &Apache::lonenc::check_encrypt($symb);
                    641:             if ($symb eq $encsymb) {
                    642:                 $showsymb = $symb;
                    643:             }
                    644:         }
1.306     raeburn   645: 	$result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&amp;fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'&amp;symb='.$showsymb.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
1.265     raeburn   646: 	    &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
1.167     albertel  647: 	    '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
1.160     albertel  648: 	    '<br />';
1.265     raeburn   649: 
1.160     albertel  650:     }
1.265     raeburn   651:     $result.=&Apache::lonhtmlcommon::row_closure(1);
1.160     albertel  652:     return $result;
                    653: }
                    654: 
1.265     raeburn   655: sub current_file_submissions {
1.205     albertel  656:     my ($part,$id) = @_;
1.265     raeburn   657:     my $jspart=$part;
                    658:     $jspart=~s/\./_/g;
1.270     raeburn   659:     my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
1.265     raeburn   660:     my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
                    661:     return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
                    662:     my $header = &Apache::loncommon::start_data_table().
1.270     raeburn   663:                  &Apache::loncommon::start_data_table_header_row();
                    664:     if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    665:         $header .= '<th>'.&mt('Delete?').'</th>';
                    666:     }
1.271     raeburn   667:     $header .=   '<th>'.&mt('File').'</th>'.
1.265     raeburn   668:                  '<th>'.&mt('Size (MB)').'</th>'.
                    669:                  '<th>'.&mt('Last Modified').'</th>'.
                    670:                  &Apache::loncommon::end_data_table_header_row();
                    671:     my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
                    672:     my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
1.271     raeburn   673:     my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
1.265     raeburn   674:     if ($uploadedfile) {
                    675:         my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
1.270     raeburn   676:         my $link = &HTML::Entities::encode($url,'<>&"');
                    677:         my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
1.265     raeburn   678:         my ($status,$hashref,$error) =
1.270     raeburn   679:             &current_file_info($url,$link,$name,$path);
1.265     raeburn   680:         if ($status eq 'ok') {
                    681:             push(@{$okfiles{$name}},$url);
                    682:             $rows{$url} = $hashref;
1.271     raeburn   683:             $legacy{$url} = 1;
1.265     raeburn   684:             &Apache::lonxml::extlink($url);
                    685:             &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
                    686:         } else {
                    687:             push(@bad_file_list,$error);
                    688:         }
                    689:     }
                    690:     if ($portfiles =~ /[^\s]/) {
                    691:         my $prefix = "/uploaded/$udom/$uname/portfolio";
                    692:         foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
                    693:             my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
                    694:             my $url = $prefix.$path.$name;
                    695:             my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
                    696:             my ($status,$hashref,$error) =
                    697:                 &current_file_info($url,$uploadedfile,$name,$path);
                    698:             if ($status eq 'ok') {
                    699:                 push(@{$okfiles{$name}},$url);
                    700:                 $rows{$url} = $hashref;
                    701:             } else {
                    702:                 push(@bad_file_list,$error);
                    703:             }
                    704:         }
                    705:     }
1.276     raeburn   706:     my $num = 0;
1.265     raeburn   707:     foreach my $name (sort(keys(%okfiles))) {
                    708:         if (ref($okfiles{$name}) eq 'ARRAY') {
                    709:             foreach my $url (@{$okfiles{$name}}) {
                    710:                 if (ref($rows{$url}) eq 'HASH') {
                    711:                     my $link = $rows{$url}{link};
                    712:                     my $portfile = $rows{$url}{path}.$rows{$url}{name};
                    713:                     $portfile = &HTML::Entities::encode($portfile,'<>&"');
                    714:                     if ($link) {
                    715:                         my $icon=&Apache::loncommon::icon($url);
                    716:                         unless ($header_shown) {
                    717:                             $result .= $header;
                    718:                             $header_shown = 1;
                    719:                         }
                    720:                         $result.=
1.270     raeburn   721:                             &Apache::loncommon::start_data_table_row()."\n";
                    722:                         if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    723:                             $result .=
                    724:                                  '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
1.273     raeburn   725:                                  ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
                    726:                             $num ++;
1.270     raeburn   727:                         }
1.271     raeburn   728:                         my $showname = $rows{$url}{path}.$name;
                    729:                         if ($legacy{$url}) {
                    730:                             $showname = $name.' '.&mt('not in portfolio');
                    731:                         }
1.270     raeburn   732:                         $result .= 
1.265     raeburn   733:                             '<td><a href="'.$link.'"><img src="'.$icon.
1.277     raeburn   734:                             '" border="0" alt="" />'.$showname.'</a></td>'."\n".
1.265     raeburn   735:                             '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
                    736:                             '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
                    737:                             &Apache::loncommon::end_data_table_row();
                    738:                     }
                    739:                 }
                    740:             }
                    741:         }
                    742:     }
                    743:     if ($header_shown) {
1.307     raeburn   744:         $result .= &Apache::loncommon::end_data_table();
                    745:         if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    746:             $result .= '<br /><span class="LC_warning">'.
                    747:                        &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
                    748:         }
1.205     albertel  749:     }
                    750:     if (@bad_file_list) {
1.265     raeburn   751:         my $bad_files = '<span class="LC_filename">'.
                    752:             join('</span>, <span class="LC_filename">',@bad_file_list).
                    753:             '</span>';
                    754:         $result.='<p class="LC_error">'.
                    755:                  &mt("These file(s) don't exist: [_1]",$bad_files).
                    756:                  '</p>';
1.205     albertel  757:     }
                    758:     return $result;
1.265     raeburn   759: }
1.205     albertel  760: 
1.265     raeburn   761: sub current_file_info {
                    762:     my ($url,$uploadedfile,$name,$path) = @_;
                    763:     my ($status,$error,%info);
                    764:     my @stat = &Apache::lonnet::stat_file($url);
                    765:     if ((@stat) && ($stat[0] ne 'no_such_dir')) {
                    766:         my ($lastmod,$size);
                    767:         if ($stat[9] =~ /^\d+$/) {
                    768:             $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
                    769:         }
                    770:         $size = $stat[7]/(1024*1024);
                    771:         $size = sprintf("%.3f",$size);
                    772:         %info = (
                    773:                     link         => $uploadedfile,
                    774:                     name         => $name,
                    775:                     path         => $path,
                    776:                     size         => $size,
                    777:                     lastmodified => $lastmod,
                    778:                 );
                    779:         $status = 'ok';
                    780:     } else {
                    781:         &Apache::lonnet::logthis("bad file is $url");
                    782:         my $icon=&Apache::loncommon::icon($url);
                    783:         $error = '<a href="'.$url.'"><img src="'.$icon.
                    784:                  '" border="0" />'.$uploadedfile.'</a>';
                    785:     }
                    786:     return ($status,\%info,$error);
1.205     albertel  787: }
                    788: 
1.179     albertel  789: sub valid_award {
                    790:     my ($award) =@_;
1.182     albertel  791:     foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
                    792: 			       'NO_RESPONSE',
1.179     albertel  793: 			       'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
                    794: 			       'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
                    795: 			       'UNIT_FAIL', 'NO_UNIT',
                    796: 			       'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
1.272     www       797: 			       'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT', 
                    798:                                'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT', 
1.179     albertel  799: 			       'MISORDERED_RANK', 'INVALID_FILETYPE',
1.264     raeburn   800:                                'EXCESS_FILESIZE', 'FILENAME_INUSE', 
                    801: 			       'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT', 
1.261     raeburn   802:                                'ANONYMOUS', 'ANONYMOUS_CREDIT',
                    803:                                'ASSIGNED_SCORE', 'APPROX_ANS',
                    804: 			       'EXACT_ANS','COMMA_FAIL') {
1.179     albertel  805: 	if ($award eq $possibleaward) { return 1; }
                    806:     }
                    807:     return 0;
                    808: }
                    809: 
1.207     albertel  810: {
                    811:     my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
                    812: 		  'TOO_LONG',
                    813: 		  'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
                    814: 		  'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
1.272     www       815: 		  'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',  'NOT_FUNCTION', 
                    816:                   'WRONG_FORMAT', 'INTERNAL_ERROR',
1.207     albertel  817: 		  'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
1.264     raeburn   818: 		  'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE', 
                    819:                   'DRAFT', 'SUBMITTED',
1.261     raeburn   820:                   'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
1.248     raeburn   821:                   'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
1.207     albertel  822:     my $i=0;
                    823:     my %fwd_awards = map { ($_,$i++) } @awards;
                    824:     my $max=scalar(@awards);
                    825:     @awards=reverse(@awards);
1.208     albertel  826:     $i=0;
1.207     albertel  827:     my %rev_awards = map { ($_,$i++) } @awards;
                    828: 
1.232     albertel  829: sub awarddetail_to_awarded {
                    830:     my ($awarddetail) = @_;
                    831:     if ($awarddetail eq 'EXACT_ANS'
                    832: 	|| $awarddetail eq 'APPROX_ANS') {
                    833: 	return 1;
                    834:     }
                    835:     return 0;
                    836: }
                    837: 
1.233     albertel  838: sub hide_award {
                    839:     my ($award) = @_;
                    840:     if (&Apache::lonhomework::show_no_problem_status()) {
                    841: 	return 1;
                    842:     }
                    843:     if ($award =~
1.261     raeburn   844: 	/^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
1.233     albertel  845: 	return 1;
                    846:     }
                    847:     return 0;
                    848: }
                    849: 
1.9       albertel  850: sub finalizeawards {
1.232     albertel  851:     my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
1.207     albertel  852:     my $result;
1.136     albertel  853:     if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135     albertel  854:     if ($result eq '' ) {
                    855: 	my $blankcount;
1.207     albertel  856: 	foreach my $award (@$awardref) {
1.135     albertel  857: 	    if ($award eq '') {
                    858: 		$result='MISSING_ANSWER';
                    859: 		$blankcount++;
                    860: 	    }
                    861: 	}
1.232     albertel  862: 	if ($blankcount == ($#$awardref + 1)) {
                    863: 	    return ('NO_RESPONSE');
                    864: 	}
1.135     albertel  865:     }
1.251     www       866: 
                    867:     if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
                    868: 
1.232     albertel  869:     if (!$final_scantron && defined($result)) { return ($result); }
1.181     albertel  870: 
1.232     albertel  871:     # if in scantron mode, if the award for any response is 
                    872:     # assigned score, then the part gets an assigned score
                    873:     if ($final_scantron 
                    874: 	&& grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
                    875: 	return ('ASSIGNED_SCORE');
                    876:     }
                    877: 
                    878:     # if in scantron mode, if the award for any response is 
                    879:     # correct and there are non-correct responses,
                    880:     # then the part gets an assigned score
                    881:     if ($final_scantron 
                    882: 	&& (grep { $_ eq 'EXACT_ANS' ||
                    883: 		   $_ eq 'APPROX_ANS'  } (@$awardref))
                    884: 	&& (grep { $_ ne 'EXACT_ANS' &&
                    885: 		   $_ ne 'APPROX_ANS'  } (@$awardref))) {
                    886: 	return ('ASSIGNED_SCORE');
                    887:     }
1.181     albertel  888:     # these awards are ordered from most important error through best correct
1.207     albertel  889:     my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
                    890: 
                    891:     my $best = $max;
                    892:     my $j=0;
                    893:     my $which;
                    894:     foreach my $award (@$awardref) {
                    895: 	if ($awards->{$award} < $best) {
                    896: 	    $best  = $awards->{$award};
                    897: 	    $which = $j;
                    898: 	}
                    899: 	$j++;
                    900:     }
1.232     albertel  901: 
1.207     albertel  902:     if (defined($which)) {
                    903: 	if (ref($nameref)) {
                    904: 	    return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
                    905: 	} else {
                    906: 	    return ($$awardref[$which],$$msgref[$which]);
                    907: 	}
1.135     albertel  908:     }
1.136     albertel  909:     return ('ERROR',undef);
1.9       albertel  910: }
1.207     albertel  911: }
1.9       albertel  912: 
1.10      albertel  913: sub decideoutput {
1.282     www       914:     my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
1.251     www       915: 
1.135     albertel  916:     my $message='';
                    917:     my $button=0;
                    918:     my $previousmsg;
1.221     albertel  919:     my $css_class='orange';
1.148     albertel  920:     my $added_computer_text=0;
1.221     albertel  921:     my %possible_class =
                    922: 	( 'correct'         => 'LC_answer_correct',
                    923: 	  'charged_try'     => 'LC_answer_charged_try',
                    924: 	  'not_charged_try' => 'LC_answer_not_charged_try',
                    925: 	  'no_grade'        => 'LC_answer_no_grade',
                    926: 	  'no_message'      => 'LC_no_message',
1.135     albertel  927: 	  );
1.169     albertel  928: 
1.180     albertel  929:     my $part = $Apache::inputtags::part;
1.236     raeburn   930:     my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
                    931:     my $handgrade = ('yes' eq lc($tohandgrade)); 
1.282     www       932: #
                    933: # Should "Computer's Answer" be displayed?
                    934: # Should not be displayed if still answerable,
                    935: # if the problem is handgraded,
                    936: # or if the problem does not give a correct answer
                    937: #
1.180     albertel  938:     
1.282     www       939:     my $computer = ($handgrade || $nocorrect)? ''
1.203     www       940: 	                       : " ".&mt("Computer's answer now shown above.");
1.180     albertel  941:     &Apache::lonxml::debug("handgrade has :$handgrade:");
                    942: 
1.135     albertel  943:     if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
                    944:     
1.194     banghart  945:     if ($solved =~ /^correct/) {
1.221     albertel  946:         $css_class=$possible_class{'correct'};
1.170     albertel  947: 	$message=&mt('You are correct.');
                    948: 	if ($awarded < 1 && $awarded > 0) {
                    949: 	    $message=&mt('You are partially correct.');
1.221     albertel  950: 	    $css_class=$possible_class{'not_charged_try'};
1.170     albertel  951: 	} elsif ($awarded < 1) {
                    952: 	    $message=&mt('Incorrect.');
1.221     albertel  953: 	    $css_class=$possible_class{'charged_try'};
1.170     albertel  954: 	}
1.291     www       955: 	if ($handgrade || 
                    956:             ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1.172     albertel  957: 	    $message = &mt("A score has been assigned.");
                    958: 	    $added_computer_text=1;
1.135     albertel  959: 	} else {
1.172     albertel  960: 	    if ($target eq 'tex') {
                    961: 		$message = '\textbf{'.$message.'}';
                    962: 	    } else {
                    963: 		$message = "<b>".$message."</b>";
1.180     albertel  964: 		$message.= $computer;
1.135     albertel  965: 	    }
1.172     albertel  966: 	    $added_computer_text=1;
1.235     albertel  967: 	    if ($awarded > 0) {
                    968: 		my ($symb) = &Apache::lonnet::whichuser();
                    969: 		if (($symb ne '') 
                    970: 		    &&
                    971: 		    ($env{'course.'.$env{'request.course.id'}.
1.237     www       972: 			      '.disable_receipt_display'} ne 'yes') &&
                    973:                     ($Apache::lonhomework::type ne 'practice')) { 
1.235     albertel  974: 		    $message.=(($target eq 'web')?'<br />':' ').
1.256     biermanm  975: 			&mt('Your receipt no. is [_1]',
1.235     albertel  976: 			    (&Apache::lonnet::receipt($Apache::inputtags::part).
                    977: 			     (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
                    978: 		}
1.135     albertel  979: 	    }
                    980: 	}
1.299     raeburn   981:         if ($awarded >= 1) {
1.296     raeburn   982:             $button=0;
1.299     raeburn   983:         } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1.296     raeburn   984:             $button=0;
1.299     raeburn   985:         } else {
1.296     raeburn   986:             $button=1;
                    987:         }
1.135     albertel  988: 	$previousmsg='';
                    989:     } elsif ($solved =~ /^excused/) {
                    990: 	if ($target eq 'tex') {
                    991: 	    $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
                    992: 	} else {
                    993: 	    $message = "<b>".&mt('You are excused from the problem.')."</b>";
                    994: 	}
1.221     albertel  995: 	$css_class=$possible_class{'charged_try'};
1.135     albertel  996: 	$button=0;
                    997: 	$previousmsg='';
                    998:     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
                    999: 	if ($solved =~ /^incorrect/ || $solved eq '') {
1.144     albertel 1000: 	    $message = &mt("Incorrect").".";
1.221     albertel 1001: 	    $css_class=$possible_class{'charged_try'};
1.135     albertel 1002: 	    $button=1;
                   1003: 	} else {
1.144     albertel 1004: 	    if ($target eq 'tex') {
                   1005: 		$message = '\textbf{'.&mt('You are correct.').'}';
                   1006: 	    } else {
                   1007: 		$message = "<b>".&mt('You are correct.')."</b>";
1.180     albertel 1008: 		$message.= $computer;
1.144     albertel 1009: 	    }
1.148     albertel 1010: 	    $added_computer_text=1;
1.235     albertel 1011: 	    if  ($awarded > 0 
                   1012: 		 && $env{'course.'.
1.165     albertel 1013: 			     $env{'request.course.id'}.
1.235     albertel 1014: 			     '.disable_receipt_display'} ne 'yes') { 
1.135     albertel 1015: 		$message.=(($target eq 'web')?'<br />':' ').
1.235     albertel 1016: 		    &mt('Your receipt is [_1]',
                   1017: 			(&Apache::lonnet::receipt($Apache::inputtags::part).
                   1018: 			 (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1.135     albertel 1019: 	    }
1.221     albertel 1020: 	    $css_class=$possible_class{'correct'};
1.135     albertel 1021: 	    $button=0;
                   1022: 	    $previousmsg='';
                   1023: 	}
                   1024:     } elsif ($award eq 'NO_RESPONSE') {
                   1025: 	$message = '';
1.221     albertel 1026: 	$css_class=$possible_class{'no_feedback'};
1.135     albertel 1027: 	$button=1;
1.182     albertel 1028:     } elsif ($award eq 'EXTRA_ANSWER') {
                   1029: 	$message = &mt('Some extra items were submitted.');
1.221     albertel 1030: 	$css_class=$possible_class{'not_charged_try'};
1.182     albertel 1031: 	$button = 1;
1.135     albertel 1032:     } elsif ($award eq 'MISSING_ANSWER') {
1.245     bisitz   1033: 	$message = &mt('Some items were not submitted.');
                   1034:         if ($target ne 'tex') {
                   1035:            $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
                   1036:         }
1.221     albertel 1037: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1038: 	$button = 1;
                   1039:     } elsif ($award eq 'ERROR') {
1.247     bisitz   1040: 	$message = &mt('An error occurred while grading your answer.');
1.221     albertel 1041: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1042: 	$button = 1;
                   1043:     } elsif ($award eq 'TOO_LONG') {
                   1044: 	$message = &mt("The submitted answer was too long.");
1.221     albertel 1045: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1046: 	$button=1;
                   1047:     } elsif ($award eq 'WANTED_NUMERIC') {
                   1048: 	$message = &mt("This question expects a numeric answer.");
1.221     albertel 1049: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1050: 	$button=1;
                   1051:     } elsif ($award eq 'MISORDERED_RANK') {
1.242     bisitz   1052:         $message = &mt('You have provided an invalid ranking.');
                   1053:         if ($target ne 'tex') {
                   1054:             $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
                   1055:         }
1.221     albertel 1056: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1057: 	$button=1;
1.248     raeburn  1058:     } elsif ($award eq 'EXCESS_FILESIZE') {
                   1059:         $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
                   1060:         $css_class=$possible_class{'not_charged_try'};
                   1061:         $button=1;
1.264     raeburn  1062:     } elsif ($award eq 'FILENAME_INUSE') {
                   1063:         $message = &mt('You have already uploaded a file with that filename.');
                   1064:         if ($target eq 'tex') {
                   1065:             $message.= "\\\\\n";
                   1066:         } else {
                   1067:             $message .= '<br />';
                   1068:         }
                   1069:         $message .= &mt('Please use a different file name.');
                   1070:         $css_class=$possible_class{'not_charged_try'};
                   1071:         $button=1;
1.135     albertel 1072:     } elsif ($award eq 'INVALID_FILETYPE') {
1.255     bisitz   1073: 	$message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1.221     albertel 1074: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1075: 	$button=1;
                   1076:     } elsif ($award eq 'SIG_FAIL') {
1.145     albertel 1077: 	my ($used,$min,$max)=split(':',$awardmsg);
1.212     albertel 1078: 	my $word = ($used < $min) ? 'more' : 'fewer';
1.250     bisitz   1079: 	$message = &mt("Submission not graded. Use $word digits.",$used);
1.221     albertel 1080: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1081: 	$button=1;
1.137     albertel 1082:     } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
                   1083: 	$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
                   1084: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.221     albertel 1085: 	$css_class=$possible_class{'not_charged_try'};
1.137     albertel 1086: 	$button=1;
                   1087:     } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155     albertel 1088: 	$message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137     albertel 1089: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.221     albertel 1090: 	$css_class=$possible_class{'not_charged_try'};
1.137     albertel 1091: 	$button=1;
1.140     matthew  1092:     } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155     albertel 1093: 	$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136     albertel 1094: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.221     albertel 1095: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1096: 	$button=1;
                   1097:     } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155     albertel 1098: 	$message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.221     albertel 1099: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1100: 	$button=1;
                   1101:     } elsif ($award eq 'NO_UNIT') {
1.144     albertel 1102: 	$message = &mt("Units required").'.';
1.135     albertel 1103: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1.221     albertel 1104: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1105: 	$button=1;
1.153     albertel 1106:     } elsif ($award eq 'COMMA_FAIL') {
                   1107: 	$message = &mt("Proper comma separation is required").'.';
1.221     albertel 1108: 	$css_class=$possible_class{'not_charged_try'};
1.153     albertel 1109: 	$button=1;
1.135     albertel 1110:     } elsif ($award eq 'BAD_FORMULA') {
1.240     www      1111: 	$message = &mt("Unable to understand formula").'.';
                   1112:         if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1.221     albertel 1113: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1114: 	$button=1;
1.272     www      1115:     } elsif ($award eq 'NOT_FUNCTION') {
                   1116:         $message = &mt("Not a function").'.';
                   1117:         $css_class=$possible_class{'not_charged_try'};
                   1118:         $button=1;
                   1119:     } elsif ($award eq 'WRONG_FORMAT') {
                   1120:         $message = &mt("Wrong format").'.';
                   1121:         $css_class=$possible_class{'not_charged_try'};
                   1122:         $button=1;
                   1123:      } elsif ($award eq 'INTERNAL_ERROR') {
1.251     www      1124:         $message = &mt("An internal error occurred while processing your answer. Please try again later.");
                   1125:         $css_class=$possible_class{'not_charged_try'};
                   1126:         $button=1;
1.135     albertel 1127:     } elsif ($award eq 'INCORRECT') {
1.144     albertel 1128: 	$message = &mt("Incorrect").'.';
1.221     albertel 1129: 	$css_class=$possible_class{'charged_try'};
1.135     albertel 1130: 	$button=1;
                   1131:     } elsif ($award eq 'SUBMITTED') {
                   1132: 	$message = &mt("Your submission has been recorded.");
1.221     albertel 1133: 	$css_class=$possible_class{'no_grade'};
1.135     albertel 1134: 	$button=1;
1.261     raeburn  1135:     } elsif ($award eq 'SUBMITTED_CREDIT') {
                   1136:         $message = &mt("Your submission has been recorded, and credit awarded.");
                   1137:         $css_class=$possible_class{'correct'};
                   1138:         $button=1;
                   1139:     } elsif ($award eq 'ANONYMOUS') {
                   1140:         $message = &mt("Your anonymous submission has been recorded.");
                   1141:         $css_class=$possible_class{'no_grade'};
                   1142:         $button=1;
                   1143:     } elsif ($award eq 'ANONYMOUS_CREDIT') {
                   1144:         $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
                   1145:         $css_class=$possible_class{'correct'};
1.301     raeburn  1146:         $button=1;
1.135     albertel 1147:     } elsif ($award eq 'DRAFT') {
1.258     riegler  1148: 	$message = &mt("Copy saved but not submitted.");
1.221     albertel 1149: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel 1150: 	$button=1;
                   1151:     } elsif ($award eq 'ASSIGNED_SCORE') {
1.144     albertel 1152: 	$message = &mt("A score has been assigned.");
1.221     albertel 1153: 	$css_class=$possible_class{'correct'};
1.135     albertel 1154: 	$button=0;
1.144     albertel 1155:     } elsif ($award eq '') {
1.186     albertel 1156: 	if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
                   1157: 	    $message = &mt("Nothing submitted.");
1.221     albertel 1158: 	    $css_class=$possible_class{'charged_try'};
1.186     albertel 1159: 	} else {
1.221     albertel 1160: 	    $css_class=$possible_class{'not_charged_try'};
1.186     albertel 1161: 	}
1.144     albertel 1162: 	$button=1;
1.135     albertel 1163:     } else {
                   1164: 	$message = &mt("Unknown message").": $award";
                   1165: 	$button=1;
                   1166:     }
1.209     albertel 1167:     my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1.194     banghart 1168:     foreach my $resid(@Apache::inputtags::response){
                   1169:         if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1.254     raeburn  1170:             if ($target eq 'tex') {
                   1171:                 $message.= "\\\\\n";
                   1172:             } else {
                   1173:                 $message.='<br />';
                   1174:             }
1.198     albertel 1175: 	    my @files = split(/\s*,\s*/,
                   1176: 			      $Apache::lonhomework::history{"resource.$part.$resid.handback"});
                   1177: 	    my $file_msg;
                   1178: 	    foreach my $file (@files) {
1.254     raeburn  1179:                 if ($target eq 'tex') {
                   1180:                     $file_msg.= "\\\\\n".$file;
                   1181:                 } else {
                   1182:                     $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
                   1183:                 }
1.198     albertel 1184: 	    }
                   1185: 	    $message .= &mt('Returned file(s): [_1]',$file_msg);
1.254     raeburn  1186:             if ($target eq 'tex') {
                   1187:                 $message.= "\\\\\n";
                   1188:             } else {
                   1189:                 $message.='<br />';
                   1190:             }
1.198     albertel 1191: 	}
1.194     banghart 1192:     }
                   1193: 
1.233     albertel 1194:     if (&Apache::lonhomework::hide_problem_status()
                   1195: 	&& $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
                   1196: 	&& &hide_award($award)) {
1.304     raeburn  1197:         $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
                   1198:         my @interval= &Apache::lonnet::EXT("resource.$part.interval");
                   1199:         if ($interval[0] =~ /\d+/) {
                   1200:             my $first_access=&Apache::lonnet::get_first_access($interval[1]);
                   1201:             if (defined($first_access)) {
                   1202:                 my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
                   1203:                 unless (($due_date) && ($due_date < $first_access + $interval[0])) { 
                   1204:                     $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
                   1205:                 }
                   1206:             }
                   1207:         }
1.221     albertel 1208: 	$css_class=$possible_class{'no_grade'};
1.135     albertel 1209: 	$button=1;
                   1210:     }
1.148     albertel 1211:     if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 
1.150     albertel 1212: 	!$added_computer_text && $target ne 'tex') {
1.180     albertel 1213: 	$message.= $computer;
1.148     albertel 1214: 	$added_computer_text=1;
1.144     albertel 1215:     }
1.237     www      1216:     if ($Apache::lonhomework::type eq 'practice') {
1.244     raeburn  1217:        if ($target eq 'web') {
                   1218:            $message .= '<br />';
                   1219:        } else {
                   1220:            $message .= ' ';      
                   1221:        }
                   1222:        $message.=&mt('Submissions to practice problems are not permanently recorded.');
1.237     www      1223:     }
1.221     albertel 1224:     return ($button,$css_class,$message,$previousmsg);
1.12      albertel 1225: }
                   1226: 
1.155     albertel 1227: sub markup_unit {
                   1228:     my ($unit,$target)=@_;
                   1229:     if ($target eq 'tex') {
                   1230: 	return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 
                   1231:     } else {
                   1232: 	return "<tt>".$unit."</tt>";
                   1233:     }
                   1234: }
                   1235: 
1.88      albertel 1236: sub removealldata {
1.87      albertel 1237:     my ($id)=@_;
                   1238:     foreach my $key (keys(%Apache::lonhomework::results)) {
                   1239: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                   1240: 	    &Apache::lonxml::debug("Removing $key");
                   1241: 	    delete($Apache::lonhomework::results{$key});
                   1242: 	}
                   1243:     }
                   1244: }
                   1245: 
1.142     albertel 1246: sub hidealldata {
                   1247:     my ($id)=@_;
                   1248:     foreach my $key (keys(%Apache::lonhomework::results)) {
                   1249: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                   1250: 	    &Apache::lonxml::debug("Hidding $key");
                   1251: 	    my $newkey=$key;
                   1252: 	    $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
                   1253: 	    $Apache::lonhomework::results{$newkey}=
                   1254: 		$Apache::lonhomework::results{$key};
                   1255: 	    delete($Apache::lonhomework::results{$key});
                   1256: 	}
                   1257:     }
                   1258: }
                   1259: 
1.12      albertel 1260: sub setgradedata {
1.136     albertel 1261:     my ($award,$msg,$id,$previously_used) = @_;
1.154     albertel 1262:     if ($Apache::lonhomework::scantronmode && 
1.165     albertel 1263: 	&Apache::lonnet::validCODE($env{'form.CODE'})) {
                   1264: 	$Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154     albertel 1265:     } elsif ($Apache::lonhomework::scantronmode && 
1.165     albertel 1266: 	     $env{'form.CODE'} eq '' &&
1.154     albertel 1267: 	     $Apache::lonhomework::history{"resource.CODE"} ne '') {
                   1268: 	$Apache::lonhomework::results{"resource.CODE"}='';
1.141     albertel 1269:     }
1.154     albertel 1270: 
1.135     albertel 1271:     if (!$Apache::lonhomework::scantronmode &&
                   1272: 	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                   1273: 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
                   1274: 	$Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87      albertel 1275: 	return '';
1.284     www      1276:     } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1.233     albertel 1277: 	      || $Apache::lonhomework::scantronmode 
                   1278: 	      || &Apache::lonhomework::hide_problem_status()  ) {
1.154     albertel 1279:         # the student doesn't already have it correct,
                   1280: 	# or we are in a mode (scantron orno problem status) where a correct 
                   1281:         # can become incorrect
                   1282: 	# handle assignment of tries and solved status
1.135     albertel 1283: 	my $solvemsg;
                   1284: 	if ($Apache::lonhomework::scantronmode) {
                   1285: 	    $solvemsg='correct_by_scantron';
                   1286: 	} else {
                   1287: 	    $solvemsg='correct_by_student';
                   1288: 	}
                   1289: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                   1290: 	    $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
                   1291: 	}
                   1292: 	if ( $award eq 'ASSIGNED_SCORE') {
                   1293: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                   1294: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1295: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                   1296: 		$solvemsg;
                   1297: 	    my $numawards=scalar(@Apache::inputtags::response);
                   1298: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                   1299: 	    foreach my $res (@Apache::inputtags::response) {
1.232     albertel 1300: 		if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
                   1301: 		    $Apache::lonhomework::results{"resource.$id.awarded"}+=
                   1302: 			$Apache::lonhomework::results{"resource.$id.$res.awarded"};
                   1303: 		} else {
                   1304: 		    $Apache::lonhomework::results{"resource.$id.awarded"}+=
                   1305: 			&awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
                   1306: 		}
1.135     albertel 1307: 	    }
                   1308: 	    if ($numawards > 0) {
                   1309: 		$Apache::lonhomework::results{"resource.$id.awarded"}/=
                   1310: 		    $numawards;
                   1311: 	    }
                   1312: 	} elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
                   1313: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                   1314: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1315: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                   1316: 		$solvemsg;
                   1317: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1.261     raeburn  1318:         } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
                   1319:             $Apache::lonhomework::results{"resource.$id.tries"} =
                   1320:                 $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1321:             $Apache::lonhomework::results{"resource.$id.solved"} =
                   1322:                 'credit_attempted';
                   1323:             $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
                   1324:         }  elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
                   1325:             $Apache::lonhomework::results{"resource.$id.tries"} =
                   1326:                 $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1327:             $Apache::lonhomework::results{"resource.$id.solved"} =
                   1328:                 'credit_attempted';
                   1329:             $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1.135     albertel 1330: 	} elsif ( $award eq 'INCORRECT' ) {
                   1331: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                   1332: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.233     albertel 1333: 	    if (&Apache::lonhomework::hide_problem_status()
                   1334: 		|| $Apache::lonhomework::scantronmode) {
1.135     albertel 1335: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                   1336: 	    }
                   1337: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                   1338: 		'incorrect_attempted';
                   1339: 	} elsif ( $award eq 'SUBMITTED' ) {
                   1340: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                   1341: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1342: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                   1343: 		'ungraded_attempted';
1.261     raeburn  1344:         }  elsif ( $award eq 'ANONYMOUS' ) {
                   1345:             $Apache::lonhomework::results{"resource.$id.tries"} =
                   1346:                 $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1347:             $Apache::lonhomework::results{"resource.$id.solved"} =
                   1348:                 'ungraded_attempted';
1.135     albertel 1349: 	} elsif ( $award eq 'DRAFT' ) {
                   1350: 	    $Apache::lonhomework::results{"resource.$id.solved"} = '';
                   1351: 	} elsif ( $award eq 'NO_RESPONSE' ) {
                   1352: 	    #no real response so delete any data that got stored
1.129     albertel 1353: 	    &removealldata($id);
                   1354: 	    return '';
                   1355: 	} else {
1.135     albertel 1356: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                   1357: 		'incorrect_attempted';
1.233     albertel 1358: 	    if (&Apache::lonhomework::show_no_problem_status()
                   1359: 		|| $Apache::lonhomework::scantronmode) {
1.135     albertel 1360: 		$Apache::lonhomework::results{"resource.$id.tries"} =
                   1361: 		    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                   1362: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                   1363: 	    }
1.233     albertel 1364: 
                   1365: 	    if (&Apache::lonhomework::show_some_problem_status()) {
                   1366: 		# clear out the awarded if they had gotten it wrong/right
                   1367: 		# and are now in an error mode	
                   1368: 		$Apache::lonhomework::results{"resource.$id.awarded"} = '';
                   1369: 	    }
1.135     albertel 1370: 	}
1.136     albertel 1371: 	if (defined($msg)) {
                   1372: 	    $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
                   1373: 	}
1.135     albertel 1374: 	# did either of the overall awards chage? If so ignore the 
                   1375: 	# previous check
                   1376: 	if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
                   1377: 	     $Apache::lonhomework::history{"resource.$id.awarded"}) &&
                   1378: 	    ($Apache::lonhomework::results{"resource.$id.solved"} eq
                   1379: 	     $Apache::lonhomework::history{"resource.$id.solved"})) {
                   1380: 	    # check if this was a previous submission if it was delete the
                   1381: 	    # unneeded data and update the previously_used attribute
                   1382: 	    if ( $previously_used eq 'PREVIOUSLY_USED') {
1.233     albertel 1383: 		if (&Apache::lonhomework::show_problem_status()) {
1.135     albertel 1384: 		    delete($Apache::lonhomework::results{"resource.$id.tries"});
                   1385: 		    $Apache::lonhomework::results{"resource.$id.previous"} = '1';
                   1386: 		}
                   1387: 	    } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
                   1388: 		#delete all data as they student didn't do anything, but save
                   1389: 		#the list of collaborators.
                   1390: 		&removealldata($id);
                   1391: 		#and since they didn't do anything we were never here
                   1392: 		return '';
                   1393: 	    } else {
                   1394: 		$Apache::lonhomework::results{"resource.$id.previous"} = '0';
                   1395: 	    }
1.101     albertel 1396: 	}
1.283     www      1397:     } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1.135     albertel 1398: 	#delete all data as they student already has it correct
                   1399: 	&removealldata($id);
                   1400: 	#and since they didn't do anything we were never here
                   1401: 	return '';
1.40      albertel 1402:     }
1.135     albertel 1403:     $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.184     albertel 1404:     if ($award eq 'SUBMITTED') {
                   1405: 	&Apache::response::add_to_gradingqueue();
                   1406:     }
1.288     www      1407:     $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1.289     www      1408:     $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
                   1409:     $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1.290     www      1410:     $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion(); 
1.10      albertel 1411: }
                   1412: 
1.219     albertel 1413: sub find_which_previous {
                   1414:     my ($version) = @_;
                   1415:     my $part = $Apache::inputtags::part;
                   1416:     my (@previous_version);
                   1417:     foreach my $resp (@Apache::inputtags::response) {
                   1418: 	my $key = "$version:resource.$part.$resp.submission";
                   1419: 	my $submission = $Apache::lonhomework::history{$key};
                   1420: 	my %previous = &Apache::response::check_for_previous($submission,
                   1421: 							     $part,$resp,
                   1422: 							     $version);
                   1423: 	push(@previous_version,$previous{'version'});
                   1424:     }
                   1425:     return &previous_match(\@previous_version,
                   1426: 			   scalar(@Apache::inputtags::response));
                   1427: }
                   1428: 
                   1429: sub previous_match {
                   1430:     my ($previous_array,$count) = @_;
                   1431:     my $match = 0;
                   1432:     my @matches;
                   1433:     foreach my $versionar (@$previous_array) {
                   1434: 	foreach my $version (@$versionar) {
                   1435: 	    $matches[$version]++;
                   1436: 	}
                   1437:     }
                   1438:     my $which=0;
                   1439:     foreach my $elem (@matches) {
                   1440: 	if ($elem eq $count) {
                   1441: 	    $match=1;
                   1442: 	    last;
                   1443: 	}
                   1444: 	$which++;
                   1445:     }
                   1446:     return ($match,$which);
                   1447: }
                   1448: 
1.9       albertel 1449: sub grade {
1.135     albertel 1450:     my ($target) = @_;
                   1451:     my $id = $Apache::inputtags::part;
                   1452:     my $response='';
1.165     albertel 1453:     if ( defined $env{'form.submitted'}) {
1.136     albertel 1454: 	my (@awards,@msgs);
1.135     albertel 1455: 	foreach $response (@Apache::inputtags::response) {
                   1456: 	    &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
                   1457: 	    my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
                   1458: 	    &Apache::lonxml::debug("keeping $value from $response for $id");
                   1459: 	    push (@awards,$value);
1.136     albertel 1460: 	    $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
                   1461: 	    &Apache::lonxml::debug("got message $value from $response for $id");
                   1462: 	    push (@msgs,$value);
1.135     albertel 1463: 	}
1.232     albertel 1464: 	my ($finalaward,$msg) = 
                   1465: 	    &finalizeawards(\@awards,\@msgs,undef,undef,
                   1466: 			    $Apache::lonhomework::scantronmode);
1.135     albertel 1467: 	my $previously_used;
                   1468: 	if ( $#Apache::inputtags::previous eq $#awards ) {
1.219     albertel 1469: 	    my ($match) =
                   1470: 		&previous_match(\@Apache::inputtags::previous_version,
                   1471: 				scalar(@Apache::inputtags::response));
1.244     raeburn  1472: 
1.135     albertel 1473: 	    if ($match) {
                   1474: 		$previously_used = 'PREVIOUSLY_LAST';
                   1475: 		foreach my $value (@Apache::inputtags::previous) {
                   1476: 		    if ($value eq 'PREVIOUSLY_USED' ) {
                   1477: 			$previously_used = $value;
                   1478: 			last;
                   1479: 		    }
1.75      albertel 1480: 		}
                   1481: 	    }
1.43      albertel 1482: 	}
1.136     albertel 1483: 	&Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
                   1484: 	&setgradedata($finalaward,$msg,$id,$previously_used);
1.43      albertel 1485:     }
1.135     albertel 1486:     return '';
1.1       albertel 1487: }
                   1488: 
1.217     albertel 1489: sub get_grade_messages {
1.282     www      1490:     my ($id,$prefix,$target,$status,$nocorrect) = @_;
                   1491: # nocorrect suppresses "Computer's answer now shown above"
1.217     albertel 1492:     my ($message,$latemessage,$trystr,$previousmsg);
                   1493:     my $showbutton = 1;
                   1494: 
                   1495:     my $award = $Apache::lonhomework::history{"$prefix.award"};
                   1496:     my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
                   1497:     my $solved = $Apache::lonhomework::history{"$prefix.solved"};
                   1498:     my $previous = $Apache::lonhomework::history{"$prefix.previous"};
                   1499:     my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
                   1500:     &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
                   1501:     if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
                   1502: 	&Apache::lonxml::debug('Getting message');
1.221     albertel 1503: 	($showbutton,my $css_class,$message,$previousmsg) =
1.217     albertel 1504: 	    &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1.282     www      1505: 			  $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1.217     albertel 1506: 	if ($target eq 'tex') {
                   1507: 	    $message='\vskip 2 mm '.$message.' ';
                   1508: 	} else {
1.221     albertel 1509: 	    $message="<td class=\"$css_class\">$message</td>";
1.217     albertel 1510: 	    if ($previousmsg) {
1.221     albertel 1511: 		$previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1.217     albertel 1512: 	    }
                   1513: 	}
                   1514:     }
                   1515:     my $tries = $Apache::lonhomework::history{"$prefix.tries"};
                   1516:     my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
                   1517:     &Apache::lonxml::debug("got maxtries of :$maxtries:");
                   1518:     #if tries are set to negative turn off the Tries/Button and messages
                   1519:     if (defined($maxtries) && $maxtries < 0) { return ''; }
                   1520:     if ( $tries eq '' ) { $tries = '0'; }
                   1521:     if ( $maxtries eq '' ) { $maxtries = '2'; } 
                   1522:     if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
1.292     christia 1523:     my $tries_text= &get_tries_text();
1.217     albertel 1524:     if ($showbutton) {
                   1525: 	if ($target eq 'tex') {
                   1526: 	    if ($env{'request.state'} ne "construct"
                   1527: 		&& $Apache::lonhomework::type ne 'exam'
                   1528: 		&& $env{'form.suppress_tries'} ne 'yes') {
1.292     christia 1529: 		$trystr ='{\vskip 1 mm \small '
                   1530:                         .&mt('[_1]'.$tries_text.'[_2] [_3]'
                   1531: 				,'\textit{','}',$tries.'/'.$maxtries ) 
                   1532:                         .'} \vskip 2 mm';
1.217     albertel 1533: 	    } else {
                   1534: 		$trystr = '\vskip 0 mm ';
                   1535: 	    }
                   1536: 	} else {
1.292     christia 1537: 	    my $trial =$tries;
1.217     albertel 1538: 	    if ($Apache::lonhomework::parsing_a_task) {
                   1539: 	    } elsif($env{'request.state'} ne 'construct') {
1.292     christia 1540: 		$trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1.217     albertel 1541: 	    } else {
                   1542: 		if (defined($Apache::inputtags::params{'maxtries'})) {
1.292     christia 1543: 		    $trial.="/".$Apache::inputtags::params{'maxtries'};
1.217     albertel 1544: 		}
                   1545: 	    }
1.295     raeburn  1546: 	    $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1.217     albertel 1547: 	}
                   1548:     }
1.221     albertel 1549: 
1.217     albertel 1550:     if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
                   1551: 	#last submissions was after due date
                   1552: 	$latemessage=&mt(' The last submission was after the Due Date ');;
                   1553: 	if ($target eq 'web') {
1.221     albertel 1554: 	    $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1.217     albertel 1555: 	}
                   1556:     }
                   1557:     return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
                   1558: }
                   1559: 
1.11      albertel 1560: sub gradestatus {
1.223     albertel 1561:     my ($id,$target,$no_previous) = @_;
1.135     albertel 1562:     my $showbutton = 1;
                   1563:     my $message = '';
                   1564:     my $latemessage = '';
                   1565:     my $trystr='';
                   1566:     my $button='';
                   1567:     my $previousmsg='';
                   1568: 
                   1569:     my $status = $Apache::inputtags::status['-1'];
                   1570:     &Apache::lonxml::debug("gradestatus has :$status:");
1.183     albertel 1571:     if ( $status ne 'CLOSED' 
                   1572: 	 && $status ne 'UNAVAILABLE' 
                   1573: 	 && $status ne 'INVALID_ACCESS' 
                   1574: 	 && $status ne 'NEEDS_CHECKIN' 
1.300     raeburn  1575: 	 && $status ne 'NOT_IN_A_SLOT'
                   1576:          && $status ne 'RESERVABLE'
                   1577:          && $status ne 'RESERVABLE_LATER'
                   1578:          && $status ne 'NOTRESERVABLE') {
1.217     albertel 1579: 
1.305     raeburn  1580: 	if ($status eq 'SHOW_ANSWER') {
                   1581:             $showbutton = 0;
                   1582:         }
                   1583: 
1.217     albertel 1584: 	($previousmsg,$latemessage,$message,$trystr) =
                   1585: 	    &get_grade_messages($id,"resource.$id",$target,$status,
                   1586: 				$showbutton);
1.305     raeburn  1587: 	if ($status eq 'CANNOT_ANSWER') {
1.217     albertel 1588: 	    $showbutton = 0;
1.164     albertel 1589: 	}
1.218     albertel 1590: 	if ( $status eq 'SHOW_ANSWER') {
                   1591: 	    undef($previousmsg);
                   1592: 	}
1.135     albertel 1593: 	if ( $showbutton ) { 
                   1594: 	    if ($target ne 'tex') {
1.230     albertel 1595: 		$button = 
1.262     www      1596:             '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1.260     droeschl 1597:                     type="submit" name="submit_'.$id.'"
                   1598:                     value="'.&mt('Submit Answer').'" />';
1.135     albertel 1599: 	    }
                   1600: 	}
1.217     albertel 1601: 
1.135     albertel 1602:     }
                   1603:     my $output= $previousmsg.$latemessage.$message.$trystr;
                   1604:     if ($output =~ /^\s*$/) {
                   1605: 	return $button;
1.63      sakharuk 1606:     } else {
1.135     albertel 1607: 	if ($target eq 'tex') {
                   1608: 	    return $button.' \vskip 0 mm '.$output.' ';
                   1609: 	} else {
1.223     albertel 1610: 	    $output =
                   1611: 		'<table><tr><td>'.$button.'</td>'.$output;
                   1612: 	    if (!$no_previous) {
                   1613: 		$output.='<td>'.&previous_tries($id,$target).'</td>';
                   1614: 	    }
                   1615: 	    $output.= '</tr></table>';
                   1616: 	    return $output;
1.135     albertel 1617: 	}
1.63      sakharuk 1618:     }
1.11      albertel 1619: }
1.217     albertel 1620: 
                   1621: sub previous_tries {
                   1622:     my ($id,$target) = @_;
                   1623:     my $output;
                   1624:     my $status = $Apache::inputtags::status['-1'];
1.219     albertel 1625: 
                   1626:     my $count;
                   1627:     my %count_lookup;
1.274     raeburn  1628:     my $lastrndseed;
1.219     albertel 1629: 
1.217     albertel 1630:     foreach my $i (1..$Apache::lonhomework::history{'version'}) {
                   1631: 	my $prefix = $i.":resource.$id";
1.263     raeburn  1632:         my $is_anon; 
                   1633:         if (defined($env{'form.grade_symb'})) {
                   1634:             if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') || 
                   1635:                 ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
                   1636:                 $is_anon = 1;
                   1637:             }
                   1638:         }
1.217     albertel 1639: 	next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1.219     albertel 1640: 	$count++;
                   1641: 	$count_lookup{$i} = $count;
1.274     raeburn  1642:         my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1.217     albertel 1643: 	my ($previousmsg,$latemessage,$message,$trystr);
                   1644: 
                   1645: 	($previousmsg,$latemessage,$message,$trystr) =
                   1646: 	    &get_grade_messages($id,"$prefix",$target,$status);
                   1647: 
1.219     albertel 1648: 	if ($previousmsg ne '') {
                   1649: 	    my ($match,$which) = &find_which_previous($i);
                   1650: 	    $message=$previousmsg;
                   1651: 	    my $previous = $count_lookup{$which};
1.226     albertel 1652: 	    $message =~ s{(</td>)}{ as submission \# $previous $1};
1.221     albertel 1653: 	} elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1.233     albertel 1654: 	    if (!(&Apache::lonhomework::hide_problem_status()
1.225     albertel 1655: 		  && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
                   1656: 		&& $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
                   1657: 		) {
                   1658: 		
1.238     bisitz   1659:                 my $txt_correct = &mt('Correct');
1.279     raeburn  1660:                 my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
                   1661:                 if ($awarded < 1 && $awarded > 0) {
1.280     raeburn  1662:                     $txt_correct=&mt('Partially Correct');
1.279     raeburn  1663:                 } elsif ($awarded < 1) {
                   1664:                     if ($awarded eq '') {
                   1665:                         $txt_correct='';
                   1666:                     } else {
                   1667:                         $txt_correct=&mt('Incorrect');
                   1668:                     }
                   1669:                 }
1.221     albertel 1670: 		$message =~ s{(<td.*?>)(.*?)(</td>)}
1.238     bisitz   1671:                              {$1 <strong>$txt_correct</strong>. $3}s;
1.221     albertel 1672: 	    }
1.238     bisitz   1673:             my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1.294     raeburn  1674:             if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1.274     raeburn  1675:                 if ($curr_rndseed ne $lastrndseed) {
                   1676:                     $trystr .= '<br /><span style="color: green; white-space: nowrap; font-style: italic; font-weight: bold; font-size: 80%;">'.&mt('New problem variation this try.').'</span>';
                   1677:                 }
                   1678:             } 
1.221     albertel 1679: 	    $message =~ s{(</td>)}{ $trystr $1};
1.219     albertel 1680: 	}
1.221     albertel 1681: 	my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
                   1682: 	$message =~ s{(<td.*?>)}{<td>};
                   1683: 	
1.219     albertel 1684: 
1.221     albertel 1685: 	$output.='<tr class="'.$class.'">';
1.223     albertel 1686: 	$output.='<td align="center">'.$count.'</td>';
1.219     albertel 1687: 	$output.=$message;
1.217     albertel 1688: 
                   1689: 	foreach my $resid (@Apache::inputtags::response) {
                   1690: 	    my $prefix = $prefix.".$resid";
                   1691: 	    if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
                   1692: 		my $submission =
                   1693: 		    $Apache::inputtags::submission_display{"$prefix.submission"};
                   1694: 		if (!defined($submission)) {
                   1695: 		    $submission = 
                   1696: 			$Apache::lonhomework::history{"$prefix.submission"};
                   1697: 		}
1.263     raeburn  1698:                 if ($is_anon) {
                   1699:                     $output.='<td>'.&mt('(only shown to submitter)').'</td>';
                   1700:                 } else {
                   1701: 		    $output.='<td>'.$submission.'</td>';
                   1702:                 }
1.217     albertel 1703: 	    } else {
                   1704: 		$output.='<td></td>';
                   1705: 	    }
                   1706: 	}
1.221     albertel 1707: 	$output.=&Apache::loncommon::end_data_table_row()."\n";
1.274     raeburn  1708:         $lastrndseed = $curr_rndseed;
1.217     albertel 1709:     }
                   1710:     return if ($output eq '');
1.219     albertel 1711:     my $headers = 
1.222     albertel 1712: 	'<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1.219     albertel 1713: 	'</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
                   1714: 	&mt('Submitted Answer').'</th>';
1.298     www      1715:     $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1.226     albertel 1716: 
1.263     raeburn  1717:     my $tries_text = &get_tries_text('link');
1.231     albertel 1718:     my $prefix = $env{'form.request.prefix'};
                   1719:     $prefix =~ tr{.}{_};
                   1720:     my $function_name = "LONCAPA_previous_tries_".$prefix.
1.234     albertel 1721: 	$Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1.298     www      1722:     my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1.217     albertel 1723:     return $result;
                   1724: }
                   1725: 
1.263     raeburn  1726: sub get_tries_text {
                   1727:     my ($context) = @_;
                   1728:     my $tries_text;
                   1729:     if ($context eq 'link') {
                   1730:         $tries_text = 'Previous Tries';
                   1731:     } else {
                   1732:         $tries_text = 'Tries';
                   1733:     }
                   1734:     if ( $Apache::lonhomework::type eq 'survey' ||
                   1735:          $Apache::lonhomework::type eq 'surveycred' ||
                   1736:          $Apache::lonhomework::type eq 'anonsurvey' ||
                   1737:          $Apache::lonhomework::type eq 'anonsurveycred' ||
                   1738:          $Apache::lonhomework::parsing_a_task) {
                   1739:         if ($context eq 'link') {
                   1740:             $tries_text = 'Previous Submissions';
                   1741:         } else {
                   1742:             $tries_text = 'Submissions';
                   1743:         }
                   1744:     }
                   1745:     return $tries_text;
                   1746: }
                   1747: 
1.1       albertel 1748: 1;
                   1749: __END__
1.249     jms      1750: 
                   1751: =pod
                   1752: 
                   1753: =back
                   1754: 
                   1755: =cut
1.43      albertel 1756:  

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