Annotation of loncom/homework/inputtags.pm, revision 1.245

1.43      albertel    1: # The LearningOnline Network with CAPA
                      2: # input  definitons
1.47      albertel    3: #
1.245   ! bisitz      4: # $Id: inputtags.pm,v 1.244 2008/07/26 19:11:23 raeburn 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: 
                     28: package Apache::inputtags;
1.55      albertel   29: use HTML::Entities();
1.1       albertel   30: use strict;
1.82      www        31: use Apache::loncommon;
1.115     www        32: use Apache::lonlocal;
1.165     albertel   33: use Apache::lonnet;
1.192     www        34: use LONCAPA;
                     35:  
1.1       albertel   36: 
1.50      harris41   37: BEGIN {
1.135     albertel   38:     &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
1.1       albertel   39: }
                     40: 
1.177     foxr       41: #   Initializes a set of global variables used during the parse of the problem.
                     42: #
1.178     albertel   43: #  @Apache::inputtags::input        - List of current input ids.
                     44: #  @Apache::inputtags::inputlist    - List of all input ids seen this problem.
                     45: #  @Apache::inputtags::response     - List of all current resopnse ids.
                     46: #  @Apache::inputtags::responselist - List of all response ids seen this 
                     47: #                                       problem.
                     48: #  @Apache::inputtags::hint         - List of all hint ids.
                     49: #  @Apache::inputtags::hintlist     - List of all hint ids seen this problem.
                     50: #  @Apache::inputtags::previous     - List describing if specific responseds
                     51: #                                       have been used
                     52: #  @Apache::inputtags::previous_version - Submission responses were used in.
                     53: #  $Apache::inputtags::part         - Current part id (valid only in 
                     54: #                                       <problem>)
                     55: #                                     0 if not in a part.
                     56: #  @Apache::inputtags::partlist     - List of part ids seen in the current
                     57: #                                       <problem>
                     58: #  @Apache::inputtags::status       - List of problem  statuses. First 
                     59: #                                     element is the status of the <problem>
                     60: #                                     the remainder are for individual <part>s.
                     61: #  %Apache::inputtags::params       - Hash of defined parameters for the
                     62: #                                     current response.
                     63: #  @Apache::inputtags::import       - List of all ids for <import> thes get
                     64: #                                     join()ed and prepended.
                     65: #  @Apache::inputtags::importlist   - List of all import ids seen.
                     66: #  $Apache::inputtags::response_with_no_part
                     67: #                                   - Flag set true if we have seen a response
                     68: #                                     that is not inside a <part>
                     69: #  %Apache::inputtags::answertxt    - <*response> tags store correct
                     70: #                                     answer strings for display by <textline/>
                     71: #                                     in this hash.
1.217     albertel   72: #  %Apache::inputtags::submission_display
                     73: #                                   - <*response> tags store improved display
                     74: #                                     of submission strings for display by part
                     75: #                                     end.
1.178     albertel   76: 
1.1       albertel   77: sub initialize_inputtags {
1.135     albertel   78:     @Apache::inputtags::input=();
                     79:     @Apache::inputtags::inputlist=();
1.174     albertel   80:     @Apache::inputtags::response=();
1.135     albertel   81:     @Apache::inputtags::responselist=();
1.174     albertel   82:     @Apache::inputtags::hint=();
1.173     albertel   83:     @Apache::inputtags::hintlist=();
1.135     albertel   84:     @Apache::inputtags::previous=();
                     85:     @Apache::inputtags::previous_version=();
                     86:     $Apache::inputtags::part='';
                     87:     @Apache::inputtags::partlist=();
                     88:     @Apache::inputtags::status=();
                     89:     %Apache::inputtags::params=();
                     90:     @Apache::inputtags::import=();
                     91:     @Apache::inputtags::importlist=();
                     92:     $Apache::inputtags::response_with_no_part=0;
1.144     albertel   93:     %Apache::inputtags::answertxt=();
1.217     albertel   94:     %Apache::inputtags::submission_display=();
1.103     albertel   95: }
                     96: 
                     97: sub check_for_duplicate_ids {
                     98:     my %check;
                     99:     foreach my $id (@Apache::inputtags::partlist,
                    100: 		    @Apache::inputtags::responselist,
1.173     albertel  101: 		    @Apache::inputtags::hintlist,
1.103     albertel  102: 		    @Apache::inputtags::importlist) {
                    103: 	$check{$id}++;
                    104:     }
                    105:     my @duplicates;
                    106:     foreach my $id (sort(keys(%check))) {
                    107: 	if ($check{$id} > 1) {
                    108: 	    push(@duplicates,$id);
                    109: 	}
                    110:     }
                    111:     if (@duplicates) {
                    112: 	&Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
                    113:     }
1.1       albertel  114: }
                    115: 
1.14      albertel  116: sub start_input {
1.135     albertel  117:     my ($parstack,$safeeval)=@_;
1.228     albertel  118:     my $id = &Apache::lonxml::get_id($parstack,$safeeval);
1.135     albertel  119:     push (@Apache::inputtags::input,$id);
                    120:     push (@Apache::inputtags::inputlist,$id);
                    121:     return $id;
1.14      albertel  122: }
                    123: 
                    124: sub end_input {
1.135     albertel  125:     pop @Apache::inputtags::input;
                    126:     return '';
1.14      albertel  127: }
                    128: 
1.124     www       129: sub addchars {
                    130:     my ($fieldid,$addchars)=@_;
                    131:     my $output='';
                    132:     foreach (split(/\,/,$addchars)) {
                    133: 	$output.='<a href="javascript:void(document.forms.lonhomework.'.
                    134: 	    $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
                    135:     }
                    136:     return $output;
                    137: }
                    138: 
1.48      albertel  139: sub start_textfield {
1.185     albertel  140:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.135     albertel  141:     my $result = "";
                    142:     my $id = &start_input($parstack,$safeeval);
                    143:     my $resid=$Apache::inputtags::response[-1];
                    144:     if ($target eq 'web') {
                    145: 	$Apache::lonxml::evaluate--;
1.205     albertel  146: 	my $partid=$Apache::inputtags::part;
                    147: 	my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
1.135     albertel  148: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    149: 	    my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    150: 	    if ( $cols eq '') { $cols = 80; }
                    151: 	    my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
1.143     www       152: 	    if ( $rows eq '') { $rows = 16; }
1.135     albertel  153: 	    my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    154: 	    $result='';
                    155: 	    if ($addchars) {
                    156: 		$result.=&addchars('HWVAL_'.$resid,$addchars);
                    157: 	    }
1.191     albertel  158: 	    &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid);
1.143     www       159: 	    $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
1.135     albertel  160: 		"rows=\"$rows\" cols=\"$cols\">".$oldresponse;
                    161: 	    if ($oldresponse ne '') {
1.143     www       162: 
1.135     albertel  163: 		#get rid of any startup text if the user has already responded
1.185     albertel  164: 		&Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.135     albertel  165: 	    }
                    166: 	} else {
1.205     albertel  167: 	    #show past answer in the essayresponse case
                    168: 	    if ($oldresponse =~ /\S/
                    169: 		&& &Apache::londefdef::is_inside_of($tagstack,
                    170: 						    'essayresponse') ) {
                    171: 		$result='<table class="LC_pastsubmission"><tr><td>'.
                    172: 		    $oldresponse.'</td></tr></table>';
                    173: 	    }
1.135     albertel  174: 	    #get rid of any startup text
1.185     albertel  175: 	    &Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.61      albertel  176: 	}
1.135     albertel  177:     } elsif ($target eq 'grade') {
1.185     albertel  178: 	my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    179: 						   $style);
1.165     albertel  180: 	if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
1.135     albertel  181: 	    # if the seed text is still there it wasn't a real submission
1.165     albertel  182: 	    $env{'form.HWVAL_'.$resid}='';
1.135     albertel  183: 	}
                    184:     } elsif ($target eq 'edit') {
                    185: 	$result.=&Apache::edit::tag_start($target,$token);
                    186: 	$result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
                    187: 	$result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
                    188: 	$result.=&Apache::edit::text_arg
                    189: 	    ('Click-On Texts (comma sep):','addchars',$token,10);
1.185     albertel  190: 	my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    191: 						   $style);
1.135     albertel  192: 	$result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
                    193:     } elsif ($target eq 'modified') {
                    194: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    195: 						     $safeeval,'rows','cols',
                    196: 						     'addchars');
                    197: 	if ($constructtag) {
                    198: 	    $result = &Apache::edit::rebuild_tag($token);
                    199: 	} else {
                    200: 	    $result=$token->[4];
                    201: 	}
                    202: 	$result.=&Apache::edit::modifiedfield("/textfield",$parser);
                    203:     } elsif ($target eq 'tex') {
                    204: 	my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
                    205: 	my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    206: 	if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
                    207: 	    $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
                    208: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    209: 	    $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
                    210: 	} else {
                    211: 	    my $TeXwidth=$width_of_box/80;
                    212: 	    $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
                    213: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    214: 	    $result.='}}}\vskip 2 mm ';
                    215: 	}
1.60      albertel  216:     }
1.135     albertel  217:     return $result;
1.6       albertel  218: }
                    219: 
1.48      albertel  220: sub end_textfield {
1.135     albertel  221:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    222:     my $result;
                    223:     if ($target eq 'web') {
                    224: 	$Apache::lonxml::evaluate++;
                    225: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    226: 	    return "</textarea>";
                    227: 	}
                    228:     } elsif ($target eq 'edit') {
                    229: 	$result=&Apache::edit::end_table();
                    230:     }
                    231:     &end_input;
                    232:     return $result;
1.6       albertel  233: }
                    234: 
1.190     albertel  235: sub exam_score_line {
1.188     albertel  236:     my ($target) = @_;
1.190     albertel  237: 
1.188     albertel  238:     my $result;
                    239:     if ($target eq 'tex') {
                    240: 	my $repetition = &Apache::response::repetition();
                    241: 	$result.='\begin{enumerate}';
1.190     albertel  242: 	if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
1.188     albertel  243: 	foreach my $i (0..$repetition-1) {
                    244: 	    $result.='\item[\textbf{'.
                    245: 		($Apache::lonxml::counter+$i).
                    246: 		'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
                    247: 	}
                    248: 	$result.= '\end{enumerate}';
1.190     albertel  249:     }
                    250: 
                    251:     return $result;
                    252: }
                    253: 
                    254: sub exam_box {
                    255:     my ($target) = @_;
                    256:     my $result;
1.188     albertel  257: 
1.190     albertel  258:     if ($target eq 'tex') {
                    259: 	$result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
                    260: 	$result .= &exam_score_line($target);
1.188     albertel  261:     } elsif ($target eq 'web') {
                    262: 	my $id=$Apache::inputtags::response[-1];
                    263: 	$result.= '<br /><br />
                    264:                    <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                    265:                    </textarea> <br /><br />';
                    266:     }
                    267:     return $result;
                    268: }
                    269: 
                    270: sub needs_exam_box {
                    271:     my ($tagstack) = @_;
                    272:     my @tags = ('formularesponse',
                    273: 		'stringresponse',
                    274: 		'reactionresponse',
                    275: 		'organicresponse',
                    276: 		);
                    277: 
                    278:     foreach my $tag (@tags) {
                    279: 	if (grep(/\Q$tag\E/,@$tagstack)) {
                    280: 	    return 1;
                    281: 	}
                    282:     }
                    283:     return 0;
                    284: }
                    285: 
1.1       albertel  286: sub start_textline {
1.135     albertel  287:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    288:     my $result = "";
1.210     albertel  289:     my $input_id = &start_input($parstack,$safeeval);
1.135     albertel  290:     if ($target eq 'web') {
                    291: 	$Apache::lonxml::evaluate--;
                    292: 	my $partid=$Apache::inputtags::part;
                    293: 	my $id=$Apache::inputtags::response[-1];
1.204     albertel  294: 	if (!&Apache::response::show_answer()) {
1.135     albertel  295: 	    my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    296: 	    my $maxlength;
                    297: 	    if ($size eq '') { $size=20; } else {
1.214     albertel  298: 		if ($size < 20) {
                    299: 		    $maxlength = ' maxlength="'.$size.'"';
                    300: 		}
1.135     albertel  301: 	    }
1.210     albertel  302: 	    my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
                    303: 	    &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
                    304: 
                    305: 	    if (ref($oldresponse) eq 'ARRAY') {
                    306: 		$oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
                    307: 	    }
                    308: 	    $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
1.241     www       309:             $oldresponse =~ s/^\s+//;
                    310:             $oldresponse =~ s/\s+$//;
                    311:             $oldresponse =~ s/\s+/ /g;
1.135     albertel  312: 	    if ($Apache::lonhomework::type ne 'exam') {
                    313: 		my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    314: 		$result='';
                    315: 		if ($addchars) {
                    316: 		    $result.=&addchars('HWVAL_'.$id,$addchars);
                    317: 		}
1.157     albertel  318: 		my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
                    319: 							$safeeval);
1.193     albertel  320: 		if (lc($readonly) eq 'yes' 
                    321: 		    || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1.157     albertel  322: 		    $readonly=' readonly="readonly" ';
1.158     albertel  323: 		} else {
                    324: 		    $readonly='';
1.157     albertel  325: 		}
1.193     albertel  326: 		my $name = 'HWVAL_'.$id;
                    327: 		if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
                    328: 		    $name = "none";
                    329: 		}
1.214     albertel  330: 		$result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
                    331: 		    $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
1.135     albertel  332: 	    }
1.188     albertel  333: 	    if ($Apache::lonhomework::type eq 'exam'
                    334: 		&& &needs_exam_box($tagstack)) {
                    335: 		$result.=&exam_box($target);
                    336: 	    }
1.135     albertel  337: 	} else {
                    338: 	    #right or wrong don't show what was last typed in.
1.208     albertel  339: 	    my $count = scalar(@Apache::inputtags::inputlist)-1;
                    340: 	    $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
1.144     albertel  341: 	    #$result='';
1.135     albertel  342: 	}
                    343:     } elsif ($target eq 'edit') {
                    344: 	$result=&Apache::edit::tag_start($target,$token);
                    345: 	$result.=&Apache::edit::text_arg('Size:','size',$token,'5').
1.157     albertel  346: 	    &Apache::edit::text_arg('Click-On Texts (comma sep):',
                    347: 				    'addchars',$token,10);
                    348:         $result.=&Apache::edit::select_arg('Readonly:','readonly',
                    349: 					   ['no','yes'],$token);
                    350: 	$result.=&Apache::edit::end_row();
                    351: 	$result.=&Apache::edit::end_table();
1.135     albertel  352:     } elsif ($target eq 'modified') {
1.157     albertel  353: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    354: 						     $safeeval,'size',
                    355: 						     'addchars','readonly');
1.135     albertel  356: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.188     albertel  357:     } elsif ($target eq 'tex' 
                    358: 	     && $Apache::lonhomework::type ne 'exam') {
1.135     albertel  359: 	my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    360: 	if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
                    361: 	$result='\framebox['.$size.'][s]{\tiny\strut}';
1.188     albertel  362: 
                    363:     } elsif ($target eq 'tex' 
                    364: 	     && $Apache::lonhomework::type eq 'exam'
                    365: 	     && &needs_exam_box($tagstack)) {
                    366: 	$result.=&exam_box($target);
1.135     albertel  367:     }
                    368:     return $result;
1.1       albertel  369: }
                    370: 
                    371: sub end_textline {
1.135     albertel  372:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    373:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    374:     elsif ($target eq 'edit') { return ('','no'); }
1.208     albertel  375:     &end_input();
1.135     albertel  376:     return "";
1.9       albertel  377: }
                    378: 
1.98      albertel  379: sub start_hiddenline {
                    380:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    381:     my $result = "";
1.211     albertel  382:     my $input_id = &start_input($parstack,$safeeval);
1.98      albertel  383:     if ($target eq 'web') {
                    384: 	$Apache::lonxml::evaluate--;
                    385: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    386: 	    my $partid=$Apache::inputtags::part;
                    387: 	    my $id=$Apache::inputtags::response[-1];
1.211     albertel  388: 	    my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
                    389: 	    if (ref($oldresponse) eq 'ARRAY') {
                    390: 		$oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
                    391: 	    }
                    392: 	    $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
                    393: 
1.98      albertel  394: 	    if ($Apache::lonhomework::type ne 'exam') {
                    395: 		$result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
                    396: 		    $oldresponse.'" />';
                    397: 	    }
                    398: 	}
                    399:     } elsif ($target eq 'edit') {
                    400: 	$result=&Apache::edit::tag_start($target,$token);
                    401: 	$result.=&Apache::edit::end_table;
                    402:     }
1.189     albertel  403: 
                    404:     if ( ($target eq 'web' || $target eq 'tex')
                    405: 	 && $Apache::lonhomework::type eq 'exam'
                    406: 	 && &needs_exam_box($tagstack)) {
                    407: 	$result.=&exam_box($target);
                    408:     }
1.98      albertel  409:     return $result;
                    410: }
                    411: 
                    412: sub end_hiddenline {
1.135     albertel  413:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    414:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    415:     elsif ($target eq 'edit') { return ('','no'); }
1.211     albertel  416:     &end_input();
1.135     albertel  417:     return "";
1.98      albertel  418: }
                    419: 
1.160     albertel  420: # $part -> partid
                    421: # $id -> responseid
                    422: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
                    423: # $which -> 'uploadedonly'  -> only newly uploaded files
                    424: #           'portfolioonly' -> only allow files from portfolio
                    425: #           'both' -> allow files from either location
1.175     albertel  426: # $extratext -> additional text to go between the link and the input box
1.160     albertel  427: # returns a table row <tr> 
                    428: sub file_selector {
1.175     albertel  429:     my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
1.160     albertel  430:     if (!$uploadedfiletypes) { return ''; }
1.167     albertel  431: 
                    432:     my $jspart=$part;
                    433:     $jspart=~s/\./_/g;
                    434: 
1.160     albertel  435:     my $result;
                    436:     
1.162     albertel  437:     $result.='<tr><td>';
                    438:     if ($uploadedfiletypes ne '*') {
                    439: 	$result.=
                    440: 	    &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
                    441:     }
1.160     albertel  442:     if ($which eq 'uploadonly' || $which eq 'both') { 
                    443: 	$result.=&mt('Submit a file: (only one file can be uploaded)').
                    444: 	    ' <br /><input type="file" size="50" name="HWFILE'.
1.167     albertel  445: 	    $jspart.'_'.$id.'" /><br />';
1.205     albertel  446: 	$result .= &show_past_file_submission($part,$id);
1.160     albertel  447:     }
                    448:     if ( $which eq 'both') { 
                    449: 	$result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
                    450:     }
                    451:     if ($which eq 'portfolioonly' || $which eq 'both') { 
1.227     albertel  452: 	$result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&amp;fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
1.160     albertel  453: 	    &mt('Select Portfolio Files').'</a><br />'.
1.167     albertel  454: 	    '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
1.160     albertel  455: 	    '<br />';
1.205     albertel  456: 	$result .= &show_past_portfile_submission($part,$id);
                    457: 
1.160     albertel  458:     }
                    459:     $result.='</td></tr>'; 
                    460:     return $result;
                    461: }
                    462: 
1.205     albertel  463: sub show_past_file_submission {
                    464:     my ($part,$id) = @_;
                    465:     my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
                    466: 
                    467:     return if (!$uploadedfile);
                    468: 
                    469:     my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
                    470:     &Apache::lonxml::extlink($url);
                    471:     &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
                    472:     my $icon=&Apache::loncommon::icon($url);
                    473:     my $curfile='<a href="'.$url.'"><img src="'.$icon.
                    474: 	'" border="0" />'.$uploadedfile.'</a>';
                    475:     return &mt('Currently submitted: <tt>[_1]</tt>',$curfile);
                    476: 
                    477: }
                    478: 
                    479: sub show_past_portfile_submission {
                    480:     my ($part,$id) = @_;
                    481:     if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
                    482: 	return;
                    483:     }
                    484:     my (@file_list,@bad_file_list);
                    485:     foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
1.209     albertel  486: 	my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1.205     albertel  487: 	my $url="/uploaded/$domain/$user/portfolio$file";
                    488: 	my $icon=&Apache::loncommon::icon($url);
                    489: 	push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
                    490: 	     '" border="0" />'.$file.'</a>');
                    491: 	if (! &Apache::lonnet::stat_file($url)) {
                    492: 	    &Apache::lonnet::logthis("bad file is $url");
                    493: 	    push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
                    494: 		 '" border="0" />'.$file.'</a>');
                    495: 	}
                    496:     }
                    497:     my $files = '<span class="LC_filename">'.
                    498: 	join('</span>, <span class="LC_filename">',@file_list).
                    499: 	'</span>';
                    500:     my $result = &mt("Portfolio files previously selected: [_1]",$files);
                    501:     if (@bad_file_list) {
                    502: 	my $bad_files = '<span class="LC_filename">'.
                    503: 	    join('</span>, <span class="LC_filename">',@bad_file_list).
                    504: 	    '</span>';
                    505: 	$result.='<br />'.&mt('<span class="LC_error">These file(s) don\'t exist:</span> [_1]',$bad_files);
                    506:     }
                    507:     return $result;
                    508: 
                    509: }
                    510: 
1.179     albertel  511: sub valid_award {
                    512:     my ($award) =@_;
1.182     albertel  513:     foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
                    514: 			       'NO_RESPONSE',
1.179     albertel  515: 			       'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
                    516: 			       'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
                    517: 			       'UNIT_FAIL', 'NO_UNIT',
                    518: 			       'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
                    519: 			       'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', 
                    520: 			       'MISORDERED_RANK', 'INVALID_FILETYPE',
                    521: 			       'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    522: 			       'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
                    523: 	if ($award eq $possibleaward) { return 1; }
                    524:     }
                    525:     return 0;
                    526: }
                    527: 
1.207     albertel  528: {
                    529:     my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
                    530: 		  'TOO_LONG',
                    531: 		  'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
                    532: 		  'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
                    533: 		  'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
                    534: 		  'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
                    535: 		  'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    536: 		  'APPROX_ANS', 'EXACT_ANS');
                    537:     my $i=0;
                    538:     my %fwd_awards = map { ($_,$i++) } @awards;
                    539:     my $max=scalar(@awards);
                    540:     @awards=reverse(@awards);
1.208     albertel  541:     $i=0;
1.207     albertel  542:     my %rev_awards = map { ($_,$i++) } @awards;
                    543: 
1.232     albertel  544: sub awarddetail_to_awarded {
                    545:     my ($awarddetail) = @_;
                    546:     if ($awarddetail eq 'EXACT_ANS'
                    547: 	|| $awarddetail eq 'APPROX_ANS') {
                    548: 	return 1;
                    549:     }
                    550:     return 0;
                    551: }
                    552: 
1.233     albertel  553: sub hide_award {
                    554:     my ($award) = @_;
                    555:     if (&Apache::lonhomework::show_no_problem_status()) {
                    556: 	return 1;
                    557:     }
                    558:     if ($award =~
                    559: 	/^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) {
                    560: 	return 1;
                    561:     }
                    562:     return 0;
                    563: }
                    564: 
1.9       albertel  565: sub finalizeawards {
1.232     albertel  566:     my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
1.207     albertel  567:     my $result;
1.136     albertel  568:     if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135     albertel  569:     if ($result eq '' ) {
                    570: 	my $blankcount;
1.207     albertel  571: 	foreach my $award (@$awardref) {
1.135     albertel  572: 	    if ($award eq '') {
                    573: 		$result='MISSING_ANSWER';
                    574: 		$blankcount++;
                    575: 	    }
                    576: 	}
1.232     albertel  577: 	if ($blankcount == ($#$awardref + 1)) {
                    578: 	    return ('NO_RESPONSE');
                    579: 	}
1.135     albertel  580:     }
1.232     albertel  581:     if (!$final_scantron && defined($result)) { return ($result); }
1.181     albertel  582: 
1.232     albertel  583:     # if in scantron mode, if the award for any response is 
                    584:     # assigned score, then the part gets an assigned score
                    585:     if ($final_scantron 
                    586: 	&& grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
                    587: 	return ('ASSIGNED_SCORE');
                    588:     }
                    589: 
                    590:     # if in scantron mode, if the award for any response is 
                    591:     # correct and there are non-correct responses,
                    592:     # then the part gets an assigned score
                    593:     if ($final_scantron 
                    594: 	&& (grep { $_ eq 'EXACT_ANS' ||
                    595: 		   $_ eq 'APPROX_ANS'  } (@$awardref))
                    596: 	&& (grep { $_ ne 'EXACT_ANS' &&
                    597: 		   $_ ne 'APPROX_ANS'  } (@$awardref))) {
                    598: 	return ('ASSIGNED_SCORE');
                    599:     }
1.181     albertel  600:     # these awards are ordered from most important error through best correct
1.207     albertel  601:     my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
                    602: 
                    603:     my $best = $max;
                    604:     my $j=0;
                    605:     my $which;
                    606:     foreach my $award (@$awardref) {
                    607: 	if ($awards->{$award} < $best) {
                    608: 	    $best  = $awards->{$award};
                    609: 	    $which = $j;
                    610: 	}
                    611: 	$j++;
                    612:     }
1.232     albertel  613: 
1.207     albertel  614:     if (defined($which)) {
                    615: 	if (ref($nameref)) {
                    616: 	    return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
                    617: 	} else {
                    618: 	    return ($$awardref[$which],$$msgref[$which]);
                    619: 	}
1.135     albertel  620:     }
1.136     albertel  621:     return ('ERROR',undef);
1.9       albertel  622: }
1.207     albertel  623: }
1.9       albertel  624: 
1.10      albertel  625: sub decideoutput {
1.169     albertel  626:     my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
1.135     albertel  627:     my $message='';
                    628:     my $button=0;
                    629:     my $previousmsg;
1.221     albertel  630:     my $css_class='orange';
1.148     albertel  631:     my $added_computer_text=0;
1.221     albertel  632:     my %possible_class =
                    633: 	( 'correct'         => 'LC_answer_correct',
                    634: 	  'charged_try'     => 'LC_answer_charged_try',
                    635: 	  'not_charged_try' => 'LC_answer_not_charged_try',
                    636: 	  'no_grade'        => 'LC_answer_no_grade',
                    637: 	  'no_message'      => 'LC_no_message',
1.135     albertel  638: 	  );
1.169     albertel  639: 
1.180     albertel  640:     my $part = $Apache::inputtags::part;
1.236     raeburn   641:     my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
                    642:     my $handgrade = ('yes' eq lc($tohandgrade)); 
1.180     albertel  643:     
                    644:     my $computer = ($handgrade)? ''
1.203     www       645: 	                       : " ".&mt("Computer's answer now shown above.");
1.180     albertel  646:     &Apache::lonxml::debug("handgrade has :$handgrade:");
                    647: 
1.135     albertel  648:     if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
                    649:     
1.194     banghart  650:     if ($solved =~ /^correct/) {
1.221     albertel  651:         $css_class=$possible_class{'correct'};
1.170     albertel  652: 	$message=&mt('You are correct.');
                    653: 	if ($awarded < 1 && $awarded > 0) {
                    654: 	    $message=&mt('You are partially correct.');
1.221     albertel  655: 	    $css_class=$possible_class{'not_charged_try'};
1.170     albertel  656: 	} elsif ($awarded < 1) {
                    657: 	    $message=&mt('Incorrect.');
1.221     albertel  658: 	    $css_class=$possible_class{'charged_try'};
1.170     albertel  659: 	}
1.172     albertel  660: 	if ($env{'request.filename'} =~ 
                    661: 	    m|/res/lib/templates/examupload.problem$|) {
                    662: 	    $message = &mt("A score has been assigned.");
                    663: 	    $added_computer_text=1;
1.135     albertel  664: 	} else {
1.172     albertel  665: 	    if ($target eq 'tex') {
                    666: 		$message = '\textbf{'.$message.'}';
                    667: 	    } else {
                    668: 		$message = "<b>".$message."</b>";
1.180     albertel  669: 		$message.= $computer;
1.135     albertel  670: 	    }
1.172     albertel  671: 	    $added_computer_text=1;
1.235     albertel  672: 	    if ($awarded > 0) {
                    673: 		my ($symb) = &Apache::lonnet::whichuser();
                    674: 		if (($symb ne '') 
                    675: 		    &&
                    676: 		    ($env{'course.'.$env{'request.course.id'}.
1.237     www       677: 			      '.disable_receipt_display'} ne 'yes') &&
                    678:                     ($Apache::lonhomework::type ne 'practice')) { 
1.235     albertel  679: 		    $message.=(($target eq 'web')?'<br />':' ').
                    680: 			&mt('Your receipt is [_1]',
                    681: 			    (&Apache::lonnet::receipt($Apache::inputtags::part).
                    682: 			     (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
                    683: 		}
1.135     albertel  684: 	    }
                    685: 	}
                    686: 	$button=0;
                    687: 	$previousmsg='';
                    688:     } elsif ($solved =~ /^excused/) {
                    689: 	if ($target eq 'tex') {
                    690: 	    $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
                    691: 	} else {
                    692: 	    $message = "<b>".&mt('You are excused from the problem.')."</b>";
                    693: 	}
1.221     albertel  694: 	$css_class=$possible_class{'charged_try'};
1.135     albertel  695: 	$button=0;
                    696: 	$previousmsg='';
                    697:     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
                    698: 	if ($solved =~ /^incorrect/ || $solved eq '') {
1.144     albertel  699: 	    $message = &mt("Incorrect").".";
1.221     albertel  700: 	    $css_class=$possible_class{'charged_try'};
1.135     albertel  701: 	    $button=1;
                    702: 	} else {
1.144     albertel  703: 	    if ($target eq 'tex') {
                    704: 		$message = '\textbf{'.&mt('You are correct.').'}';
                    705: 	    } else {
                    706: 		$message = "<b>".&mt('You are correct.')."</b>";
1.180     albertel  707: 		$message.= $computer;
1.144     albertel  708: 	    }
1.148     albertel  709: 	    $added_computer_text=1;
1.235     albertel  710: 	    if  ($awarded > 0 
                    711: 		 && $env{'course.'.
1.165     albertel  712: 			     $env{'request.course.id'}.
1.235     albertel  713: 			     '.disable_receipt_display'} ne 'yes') { 
1.135     albertel  714: 		$message.=(($target eq 'web')?'<br />':' ').
1.235     albertel  715: 		    &mt('Your receipt is [_1]',
                    716: 			(&Apache::lonnet::receipt($Apache::inputtags::part).
                    717: 			 (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1.135     albertel  718: 	    }
1.221     albertel  719: 	    $css_class=$possible_class{'correct'};
1.135     albertel  720: 	    $button=0;
                    721: 	    $previousmsg='';
                    722: 	}
                    723:     } elsif ($award eq 'NO_RESPONSE') {
                    724: 	$message = '';
1.221     albertel  725: 	$css_class=$possible_class{'no_feedback'};
1.135     albertel  726: 	$button=1;
1.182     albertel  727:     } elsif ($award eq 'EXTRA_ANSWER') {
                    728: 	$message = &mt('Some extra items were submitted.');
1.221     albertel  729: 	$css_class=$possible_class{'not_charged_try'};
1.182     albertel  730: 	$button = 1;
1.135     albertel  731:     } elsif ($award eq 'MISSING_ANSWER') {
1.245   ! bisitz    732: 	$message = &mt('Some items were not submitted.');
        !           733:         if ($target ne 'tex') {
        !           734:            $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
        !           735:         }
1.221     albertel  736: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  737: 	$button = 1;
                    738:     } elsif ($award eq 'ERROR') {
                    739: 	$message = &mt('An error occured while grading your answer.');
1.221     albertel  740: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  741: 	$button = 1;
                    742:     } elsif ($award eq 'TOO_LONG') {
                    743: 	$message = &mt("The submitted answer was too long.");
1.221     albertel  744: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  745: 	$button=1;
                    746:     } elsif ($award eq 'WANTED_NUMERIC') {
                    747: 	$message = &mt("This question expects a numeric answer.");
1.221     albertel  748: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  749: 	$button=1;
                    750:     } elsif ($award eq 'MISORDERED_RANK') {
1.242     bisitz    751:         $message = &mt('You have provided an invalid ranking.');
                    752:         if ($target ne 'tex') {
                    753:             $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
                    754:         }
1.221     albertel  755: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  756: 	$button=1;
                    757:     } elsif ($award eq 'INVALID_FILETYPE') {
1.166     albertel  758: 	$message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
1.221     albertel  759: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  760: 	$button=1;
                    761:     } elsif ($award eq 'SIG_FAIL') {
1.145     albertel  762: 	my ($used,$min,$max)=split(':',$awardmsg);
1.212     albertel  763: 	my $word = ($used < $min) ? 'more' : 'fewer';
                    764: 	$message = &mt("Submission not graded.  Use $word digits.",$used);
1.221     albertel  765: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  766: 	$button=1;
1.137     albertel  767:     } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
                    768: 	$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
                    769: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.221     albertel  770: 	$css_class=$possible_class{'not_charged_try'};
1.137     albertel  771: 	$button=1;
                    772:     } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155     albertel  773: 	$message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137     albertel  774: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.221     albertel  775: 	$css_class=$possible_class{'not_charged_try'};
1.137     albertel  776: 	$button=1;
1.140     matthew   777:     } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155     albertel  778: 	$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136     albertel  779: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.221     albertel  780: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  781: 	$button=1;
                    782:     } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155     albertel  783: 	$message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.221     albertel  784: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  785: 	$button=1;
                    786:     } elsif ($award eq 'NO_UNIT') {
1.144     albertel  787: 	$message = &mt("Units required").'.';
1.135     albertel  788: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1.221     albertel  789: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  790: 	$button=1;
1.153     albertel  791:     } elsif ($award eq 'COMMA_FAIL') {
                    792: 	$message = &mt("Proper comma separation is required").'.';
1.221     albertel  793: 	$css_class=$possible_class{'not_charged_try'};
1.153     albertel  794: 	$button=1;
1.135     albertel  795:     } elsif ($award eq 'BAD_FORMULA') {
1.240     www       796: 	$message = &mt("Unable to understand formula").'.';
                    797:         if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1.221     albertel  798: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  799: 	$button=1;
                    800:     } elsif ($award eq 'INCORRECT') {
1.144     albertel  801: 	$message = &mt("Incorrect").'.';
1.221     albertel  802: 	$css_class=$possible_class{'charged_try'};
1.135     albertel  803: 	$button=1;
                    804:     } elsif ($award eq 'SUBMITTED') {
                    805: 	$message = &mt("Your submission has been recorded.");
1.221     albertel  806: 	$css_class=$possible_class{'no_grade'};
1.135     albertel  807: 	$button=1;
                    808:     } elsif ($award eq 'DRAFT') {
1.144     albertel  809: 	$message = &mt("A draft copy has been saved.");
1.221     albertel  810: 	$css_class=$possible_class{'not_charged_try'};
1.135     albertel  811: 	$button=1;
                    812:     } elsif ($award eq 'ASSIGNED_SCORE') {
1.144     albertel  813: 	$message = &mt("A score has been assigned.");
1.221     albertel  814: 	$css_class=$possible_class{'correct'};
1.135     albertel  815: 	$button=0;
1.144     albertel  816:     } elsif ($award eq '') {
1.186     albertel  817: 	if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
                    818: 	    $message = &mt("Nothing submitted.");
1.221     albertel  819: 	    $css_class=$possible_class{'charged_try'};
1.186     albertel  820: 	} else {
1.221     albertel  821: 	    $css_class=$possible_class{'not_charged_try'};
1.186     albertel  822: 	}
1.144     albertel  823: 	$button=1;
1.135     albertel  824:     } else {
                    825: 	$message = &mt("Unknown message").": $award";
                    826: 	$button=1;
                    827:     }
1.209     albertel  828:     my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1.194     banghart  829:     foreach my $resid(@Apache::inputtags::response){
                    830:         if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1.198     albertel  831: 	    $message.='<br />';
                    832: 	    my @files = split(/\s*,\s*/,
                    833: 			      $Apache::lonhomework::history{"resource.$part.$resid.handback"});
                    834: 	    my $file_msg;
                    835: 	    foreach my $file (@files) {
                    836: 		$file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
                    837: 	    }
                    838: 	    $message .= &mt('Returned file(s): [_1]',$file_msg);
                    839: 	}
1.194     banghart  840:     }
                    841: 
1.233     albertel  842:     if (&Apache::lonhomework::hide_problem_status()
                    843: 	&& $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
                    844: 	&& &hide_award($award)) {
1.135     albertel  845: 	$message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1.221     albertel  846: 	$css_class=$possible_class{'no_grade'};
1.135     albertel  847: 	$button=1;
                    848:     }
1.148     albertel  849:     if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 
1.150     albertel  850: 	!$added_computer_text && $target ne 'tex') {
1.180     albertel  851: 	$message.= $computer;
1.148     albertel  852: 	$added_computer_text=1;
1.144     albertel  853:     }
1.237     www       854:     if ($Apache::lonhomework::type eq 'practice') {
1.244     raeburn   855:        if ($target eq 'web') {
                    856:            $message .= '<br />';
                    857:        } else {
                    858:            $message .= ' ';      
                    859:        }
                    860:        $message.=&mt('Submissions to practice problems are not permanently recorded.');
1.237     www       861:     }
                    862: 
1.221     albertel  863:     return ($button,$css_class,$message,$previousmsg);
1.12      albertel  864: }
                    865: 
1.155     albertel  866: sub markup_unit {
                    867:     my ($unit,$target)=@_;
                    868:     if ($target eq 'tex') {
                    869: 	return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 
                    870:     } else {
                    871: 	return "<tt>".$unit."</tt>";
                    872:     }
                    873: }
                    874: 
1.88      albertel  875: sub removealldata {
1.87      albertel  876:     my ($id)=@_;
                    877:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    878: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    879: 	    &Apache::lonxml::debug("Removing $key");
                    880: 	    delete($Apache::lonhomework::results{$key});
                    881: 	}
                    882:     }
                    883: }
                    884: 
1.142     albertel  885: sub hidealldata {
                    886:     my ($id)=@_;
                    887:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    888: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    889: 	    &Apache::lonxml::debug("Hidding $key");
                    890: 	    my $newkey=$key;
                    891: 	    $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
                    892: 	    $Apache::lonhomework::results{$newkey}=
                    893: 		$Apache::lonhomework::results{$key};
                    894: 	    delete($Apache::lonhomework::results{$key});
                    895: 	}
                    896:     }
                    897: }
                    898: 
1.12      albertel  899: sub setgradedata {
1.136     albertel  900:     my ($award,$msg,$id,$previously_used) = @_;
1.154     albertel  901:     if ($Apache::lonhomework::scantronmode && 
1.165     albertel  902: 	&Apache::lonnet::validCODE($env{'form.CODE'})) {
                    903: 	$Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154     albertel  904:     } elsif ($Apache::lonhomework::scantronmode && 
1.165     albertel  905: 	     $env{'form.CODE'} eq '' &&
1.154     albertel  906: 	     $Apache::lonhomework::history{"resource.CODE"} ne '') {
                    907: 	$Apache::lonhomework::results{"resource.CODE"}='';
1.141     albertel  908:     }
1.154     albertel  909: 
1.135     albertel  910:     if (!$Apache::lonhomework::scantronmode &&
                    911: 	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                    912: 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
                    913: 	$Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87      albertel  914: 	return '';
1.135     albertel  915:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.233     albertel  916: 	      /^correct/ 
                    917: 	      || $Apache::lonhomework::scantronmode 
                    918: 	      || &Apache::lonhomework::hide_problem_status()  ) {
1.154     albertel  919:         # the student doesn't already have it correct,
                    920: 	# or we are in a mode (scantron orno problem status) where a correct 
                    921:         # can become incorrect
                    922: 	# handle assignment of tries and solved status
1.135     albertel  923: 	my $solvemsg;
                    924: 	if ($Apache::lonhomework::scantronmode) {
                    925: 	    $solvemsg='correct_by_scantron';
                    926: 	} else {
                    927: 	    $solvemsg='correct_by_student';
                    928: 	}
                    929: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                    930: 	    $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
                    931: 	}
                    932: 	if ( $award eq 'ASSIGNED_SCORE') {
                    933: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    934: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    935: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    936: 		$solvemsg;
                    937: 	    my $numawards=scalar(@Apache::inputtags::response);
                    938: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    939: 	    foreach my $res (@Apache::inputtags::response) {
1.232     albertel  940: 		if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
                    941: 		    $Apache::lonhomework::results{"resource.$id.awarded"}+=
                    942: 			$Apache::lonhomework::results{"resource.$id.$res.awarded"};
                    943: 		} else {
                    944: 		    $Apache::lonhomework::results{"resource.$id.awarded"}+=
                    945: 			&awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
                    946: 		}
1.135     albertel  947: 	    }
                    948: 	    if ($numawards > 0) {
                    949: 		$Apache::lonhomework::results{"resource.$id.awarded"}/=
                    950: 		    $numawards;
                    951: 	    }
                    952: 	} elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
                    953: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    954: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    955: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    956: 		$solvemsg;
                    957: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
                    958: 	} elsif ( $award eq 'INCORRECT' ) {
                    959: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    960: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.233     albertel  961: 	    if (&Apache::lonhomework::hide_problem_status()
                    962: 		|| $Apache::lonhomework::scantronmode) {
1.135     albertel  963: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    964: 	    }
                    965: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    966: 		'incorrect_attempted';
                    967: 	} elsif ( $award eq 'SUBMITTED' ) {
                    968: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    969: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    970: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    971: 		'ungraded_attempted';
                    972: 	} elsif ( $award eq 'DRAFT' ) {
                    973: 	    $Apache::lonhomework::results{"resource.$id.solved"} = '';
                    974: 	} elsif ( $award eq 'NO_RESPONSE' ) {
                    975: 	    #no real response so delete any data that got stored
1.129     albertel  976: 	    &removealldata($id);
                    977: 	    return '';
                    978: 	} else {
1.135     albertel  979: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    980: 		'incorrect_attempted';
1.233     albertel  981: 	    if (&Apache::lonhomework::show_no_problem_status()
                    982: 		|| $Apache::lonhomework::scantronmode) {
1.135     albertel  983: 		$Apache::lonhomework::results{"resource.$id.tries"} =
                    984: 		    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    985: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    986: 	    }
1.233     albertel  987: 
                    988: 	    if (&Apache::lonhomework::show_some_problem_status()) {
                    989: 		# clear out the awarded if they had gotten it wrong/right
                    990: 		# and are now in an error mode	
                    991: 		$Apache::lonhomework::results{"resource.$id.awarded"} = '';
                    992: 	    }
1.135     albertel  993: 	}
1.136     albertel  994: 	if (defined($msg)) {
                    995: 	    $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
                    996: 	}
1.135     albertel  997: 	# did either of the overall awards chage? If so ignore the 
                    998: 	# previous check
                    999: 	if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
                   1000: 	     $Apache::lonhomework::history{"resource.$id.awarded"}) &&
                   1001: 	    ($Apache::lonhomework::results{"resource.$id.solved"} eq
                   1002: 	     $Apache::lonhomework::history{"resource.$id.solved"})) {
                   1003: 	    # check if this was a previous submission if it was delete the
                   1004: 	    # unneeded data and update the previously_used attribute
                   1005: 	    if ( $previously_used eq 'PREVIOUSLY_USED') {
1.233     albertel 1006: 		if (&Apache::lonhomework::show_problem_status()) {
1.135     albertel 1007: 		    delete($Apache::lonhomework::results{"resource.$id.tries"});
                   1008: 		    $Apache::lonhomework::results{"resource.$id.previous"} = '1';
                   1009: 		}
                   1010: 	    } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
                   1011: 		#delete all data as they student didn't do anything, but save
                   1012: 		#the list of collaborators.
                   1013: 		&removealldata($id);
                   1014: 		#and since they didn't do anything we were never here
                   1015: 		return '';
                   1016: 	    } else {
                   1017: 		$Apache::lonhomework::results{"resource.$id.previous"} = '0';
                   1018: 	    }
1.101     albertel 1019: 	}
1.135     albertel 1020:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
                   1021: 	      /^correct/ ) {
                   1022: 	#delete all data as they student already has it correct
                   1023: 	&removealldata($id);
                   1024: 	#and since they didn't do anything we were never here
                   1025: 	return '';
1.40      albertel 1026:     }
1.135     albertel 1027:     $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.184     albertel 1028:     if ($award eq 'SUBMITTED') {
                   1029: 	&Apache::response::add_to_gradingqueue();
                   1030:     }
1.10      albertel 1031: }
                   1032: 
1.219     albertel 1033: sub find_which_previous {
                   1034:     my ($version) = @_;
                   1035:     my $part = $Apache::inputtags::part;
                   1036:     my (@previous_version);
                   1037:     foreach my $resp (@Apache::inputtags::response) {
                   1038: 	my $key = "$version:resource.$part.$resp.submission";
                   1039: 	my $submission = $Apache::lonhomework::history{$key};
                   1040: 	my %previous = &Apache::response::check_for_previous($submission,
                   1041: 							     $part,$resp,
                   1042: 							     $version);
                   1043: 	push(@previous_version,$previous{'version'});
                   1044:     }
                   1045:     return &previous_match(\@previous_version,
                   1046: 			   scalar(@Apache::inputtags::response));
                   1047: }
                   1048: 
                   1049: sub previous_match {
                   1050:     my ($previous_array,$count) = @_;
                   1051:     my $match = 0;
                   1052:     my @matches;
                   1053:     foreach my $versionar (@$previous_array) {
                   1054: 	foreach my $version (@$versionar) {
                   1055: 	    $matches[$version]++;
                   1056: 	}
                   1057:     }
                   1058:     my $which=0;
                   1059:     foreach my $elem (@matches) {
                   1060: 	if ($elem eq $count) {
                   1061: 	    $match=1;
                   1062: 	    last;
                   1063: 	}
                   1064: 	$which++;
                   1065:     }
                   1066:     return ($match,$which);
                   1067: }
                   1068: 
1.9       albertel 1069: sub grade {
1.135     albertel 1070:     my ($target) = @_;
                   1071:     my $id = $Apache::inputtags::part;
                   1072:     my $response='';
1.165     albertel 1073:     if ( defined $env{'form.submitted'}) {
1.136     albertel 1074: 	my (@awards,@msgs);
1.135     albertel 1075: 	foreach $response (@Apache::inputtags::response) {
                   1076: 	    &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
                   1077: 	    my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
                   1078: 	    &Apache::lonxml::debug("keeping $value from $response for $id");
                   1079: 	    push (@awards,$value);
1.136     albertel 1080: 	    $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
                   1081: 	    &Apache::lonxml::debug("got message $value from $response for $id");
                   1082: 	    push (@msgs,$value);
1.135     albertel 1083: 	}
1.232     albertel 1084: 	my ($finalaward,$msg) = 
                   1085: 	    &finalizeawards(\@awards,\@msgs,undef,undef,
                   1086: 			    $Apache::lonhomework::scantronmode);
1.135     albertel 1087: 	my $previously_used;
                   1088: 	if ( $#Apache::inputtags::previous eq $#awards ) {
1.219     albertel 1089: 	    my ($match) =
                   1090: 		&previous_match(\@Apache::inputtags::previous_version,
                   1091: 				scalar(@Apache::inputtags::response));
1.244     raeburn  1092: 
1.135     albertel 1093: 	    if ($match) {
                   1094: 		$previously_used = 'PREVIOUSLY_LAST';
                   1095: 		foreach my $value (@Apache::inputtags::previous) {
                   1096: 		    if ($value eq 'PREVIOUSLY_USED' ) {
                   1097: 			$previously_used = $value;
                   1098: 			last;
                   1099: 		    }
1.75      albertel 1100: 		}
                   1101: 	    }
1.43      albertel 1102: 	}
1.136     albertel 1103: 	&Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
                   1104: 	&setgradedata($finalaward,$msg,$id,$previously_used);
1.43      albertel 1105:     }
1.135     albertel 1106:     return '';
1.1       albertel 1107: }
                   1108: 
1.217     albertel 1109: sub get_grade_messages {
                   1110:     my ($id,$prefix,$target,$status) = @_;
                   1111: 
                   1112:     my ($message,$latemessage,$trystr,$previousmsg);
                   1113:     my $showbutton = 1;
                   1114: 
                   1115:     my $award = $Apache::lonhomework::history{"$prefix.award"};
                   1116:     my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
                   1117:     my $solved = $Apache::lonhomework::history{"$prefix.solved"};
                   1118:     my $previous = $Apache::lonhomework::history{"$prefix.previous"};
                   1119:     my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
                   1120:     &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
                   1121:     if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
                   1122: 	&Apache::lonxml::debug('Getting message');
1.221     albertel 1123: 	($showbutton,my $css_class,$message,$previousmsg) =
1.217     albertel 1124: 	    &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
                   1125: 			  $target);
                   1126: 	if ($target eq 'tex') {
                   1127: 	    $message='\vskip 2 mm '.$message.' ';
                   1128: 	} else {
1.221     albertel 1129: 	    $message="<td class=\"$css_class\">$message</td>";
1.217     albertel 1130: 	    if ($previousmsg) {
1.221     albertel 1131: 		$previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1.217     albertel 1132: 	    }
                   1133: 	}
                   1134:     }
                   1135:     my $tries = $Apache::lonhomework::history{"$prefix.tries"};
                   1136:     my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
                   1137:     &Apache::lonxml::debug("got maxtries of :$maxtries:");
                   1138:     #if tries are set to negative turn off the Tries/Button and messages
                   1139:     if (defined($maxtries) && $maxtries < 0) { return ''; }
                   1140:     if ( $tries eq '' ) { $tries = '0'; }
                   1141:     if ( $maxtries eq '' ) { $maxtries = '2'; } 
                   1142:     if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
                   1143:     my $tries_text=&mt('Tries');
                   1144:     if ( $Apache::lonhomework::type eq 'survey' ||
                   1145: 	 $Apache::lonhomework::parsing_a_task) {
                   1146: 	$tries_text=&mt('Submissions');
                   1147:     }
                   1148: 
                   1149:     if ($showbutton) {
                   1150: 	if ($target eq 'tex') {
                   1151: 	    if ($env{'request.state'} ne "construct"
                   1152: 		&& $Apache::lonhomework::type ne 'exam'
                   1153: 		&& $env{'form.suppress_tries'} ne 'yes') {
                   1154: 		$trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
                   1155: 		    $tries.'/'.$maxtries.'} \vskip 2 mm ';
                   1156: 	    } else {
                   1157: 		$trystr = '\vskip 0 mm ';
                   1158: 	    }
                   1159: 	} else {
                   1160: 	    $trystr = "<td><nobr>".$tries_text." $tries";
                   1161: 	    if ($Apache::lonhomework::parsing_a_task) {
                   1162: 	    } elsif($env{'request.state'} ne 'construct') {
                   1163: 		$trystr.="/$maxtries";
                   1164: 	    } else {
                   1165: 		if (defined($Apache::inputtags::params{'maxtries'})) {
                   1166: 		    $trystr.="/".$Apache::inputtags::params{'maxtries'};
                   1167: 		}
                   1168: 	    }
                   1169: 	    $trystr.="</nobr></td>";
                   1170: 	}
                   1171:     }
1.221     albertel 1172: 
1.217     albertel 1173:     if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
                   1174: 	#last submissions was after due date
                   1175: 	$latemessage=&mt(' The last submission was after the Due Date ');;
                   1176: 	if ($target eq 'web') {
1.221     albertel 1177: 	    $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1.217     albertel 1178: 	}
                   1179:     }
                   1180:     return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
                   1181: }
                   1182: 
1.11      albertel 1183: sub gradestatus {
1.223     albertel 1184:     my ($id,$target,$no_previous) = @_;
1.135     albertel 1185:     my $showbutton = 1;
                   1186:     my $message = '';
                   1187:     my $latemessage = '';
                   1188:     my $trystr='';
                   1189:     my $button='';
                   1190:     my $previousmsg='';
                   1191: 
                   1192:     my $status = $Apache::inputtags::status['-1'];
                   1193:     &Apache::lonxml::debug("gradestatus has :$status:");
1.183     albertel 1194:     if ( $status ne 'CLOSED' 
                   1195: 	 && $status ne 'UNAVAILABLE' 
                   1196: 	 && $status ne 'INVALID_ACCESS' 
                   1197: 	 && $status ne 'NEEDS_CHECKIN' 
                   1198: 	 && $status ne 'NOT_IN_A_SLOT') {  
1.217     albertel 1199: 
                   1200: 	($previousmsg,$latemessage,$message,$trystr) =
                   1201: 	    &get_grade_messages($id,"resource.$id",$target,$status,
                   1202: 				$showbutton);
                   1203: 	if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
                   1204: 	    $showbutton = 0;
1.164     albertel 1205: 	}
1.218     albertel 1206: 	if ( $status eq 'SHOW_ANSWER') {
                   1207: 	    undef($previousmsg);
                   1208: 	}
1.135     albertel 1209: 	if ( $showbutton ) { 
                   1210: 	    if ($target ne 'tex') {
1.230     albertel 1211: 		$button = 
                   1212: 		    '<input 
                   1213:                           onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
                   1214:                            onsubmit="javascript:setSubmittedPart(\''.$id.'\')"
                   1215:                         type="submit" name="submit_'.$id.'"
                   1216:                          value="'.&mt('Submit Answer').'" />';
1.135     albertel 1217: 	    }
                   1218: 	}
1.217     albertel 1219: 
1.135     albertel 1220:     }
                   1221:     my $output= $previousmsg.$latemessage.$message.$trystr;
                   1222:     if ($output =~ /^\s*$/) {
                   1223: 	return $button;
1.63      sakharuk 1224:     } else {
1.135     albertel 1225: 	if ($target eq 'tex') {
                   1226: 	    return $button.' \vskip 0 mm '.$output.' ';
                   1227: 	} else {
1.223     albertel 1228: 	    $output =
                   1229: 		'<table><tr><td>'.$button.'</td>'.$output;
                   1230: 	    if (!$no_previous) {
                   1231: 		$output.='<td>'.&previous_tries($id,$target).'</td>';
                   1232: 	    }
                   1233: 	    $output.= '</tr></table>';
                   1234: 	    return $output;
1.135     albertel 1235: 	}
1.63      sakharuk 1236:     }
1.11      albertel 1237: }
1.217     albertel 1238: 
                   1239: sub previous_tries {
                   1240:     my ($id,$target) = @_;
                   1241:     my $output;
                   1242:     my $status = $Apache::inputtags::status['-1'];
1.219     albertel 1243: 
                   1244:     my $count;
                   1245:     my %count_lookup;
                   1246: 
1.217     albertel 1247:     foreach my $i (1..$Apache::lonhomework::history{'version'}) {
                   1248: 	my $prefix = $i.":resource.$id";
                   1249: 
                   1250: 	next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1.219     albertel 1251: 	$count++;
                   1252: 	$count_lookup{$i} = $count;
                   1253: 	
1.217     albertel 1254: 	my ($previousmsg,$latemessage,$message,$trystr);
                   1255: 
                   1256: 	($previousmsg,$latemessage,$message,$trystr) =
                   1257: 	    &get_grade_messages($id,"$prefix",$target,$status);
                   1258: 
1.219     albertel 1259: 	if ($previousmsg ne '') {
                   1260: 	    my ($match,$which) = &find_which_previous($i);
                   1261: 	    $message=$previousmsg;
                   1262: 	    my $previous = $count_lookup{$which};
1.226     albertel 1263: 	    $message =~ s{(</td>)}{ as submission \# $previous $1};
1.221     albertel 1264: 	} elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1.233     albertel 1265: 	    if (!(&Apache::lonhomework::hide_problem_status()
1.225     albertel 1266: 		  && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
                   1267: 		&& $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
                   1268: 		) {
                   1269: 		
1.238     bisitz   1270:                 my $txt_correct = &mt('Correct');
1.221     albertel 1271: 		$message =~ s{(<td.*?>)(.*?)(</td>)}
1.238     bisitz   1272:                              {$1 <strong>$txt_correct</strong>. $3}s;
1.221     albertel 1273: 	    }
1.238     bisitz   1274:             my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1.221     albertel 1275: 	    $message =~ s{(</td>)}{ $trystr $1};
1.219     albertel 1276: 	}
1.221     albertel 1277: 	my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
                   1278: 	$message =~ s{(<td.*?>)}{<td>};
                   1279: 	
1.219     albertel 1280: 
1.221     albertel 1281: 	$output.='<tr class="'.$class.'">';
1.223     albertel 1282: 	$output.='<td align="center">'.$count.'</td>';
1.219     albertel 1283: 	$output.=$message;
1.217     albertel 1284: 
                   1285: 	foreach my $resid (@Apache::inputtags::response) {
                   1286: 	    my $prefix = $prefix.".$resid";
                   1287: 	    if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
                   1288: 		my $submission =
                   1289: 		    $Apache::inputtags::submission_display{"$prefix.submission"};
                   1290: 		if (!defined($submission)) {
                   1291: 		    $submission = 
                   1292: 			$Apache::lonhomework::history{"$prefix.submission"};
                   1293: 		}
                   1294: 		$output.='<td>'.$submission.'</td>';
                   1295: 	    } else {
                   1296: 		$output.='<td></td>';
                   1297: 	    }
                   1298: 	}
1.221     albertel 1299: 	$output.=&Apache::loncommon::end_data_table_row()."\n";
1.217     albertel 1300:     }
                   1301:     return if ($output eq '');
1.219     albertel 1302:     my $headers = 
1.222     albertel 1303: 	'<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1.219     albertel 1304: 	'</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
                   1305: 	&mt('Submitted Answer').'</th>';
                   1306:     $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1.217     albertel 1307:     #return $output;
1.229     albertel 1308:     $output = &Apache::loncommon::js_ready($output); 
1.226     albertel 1309:     $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
                   1310: 
1.217     albertel 1311:     my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
                   1312:     my $start_page =
                   1313: 	&Apache::loncommon::start_page('Previous Tries', undef,
1.229     albertel 1314: 				       {'only_body'      => 1,
                   1315: 					'bgcolor'        => '#FFFFFF',
                   1316: 					'js_ready'       => 1,
                   1317: 				        'inherit_jsmath' => 1, });
1.217     albertel 1318:     my $end_page =
                   1319: 	&Apache::loncommon::end_page({'js_ready' => 1,});
1.231     albertel 1320:     my $prefix = $env{'form.request.prefix'};
                   1321:     $prefix =~ tr{.}{_};
                   1322:     my $function_name = "LONCAPA_previous_tries_".$prefix.
1.234     albertel 1323: 	$Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1.217     albertel 1324:     my $result ="<script type=\"text/javascript\">
                   1325: // <![CDATA[
1.231     albertel 1326:     function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1.217     albertel 1327: // ]]>
1.231     albertel 1328: </script><a href=\"javascript:$function_name();void(0);\">".&mt("Previous Tries")."</a><br />";
1.217     albertel 1329:     #use Data::Dumper;
                   1330:     #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
                   1331:     return $result;
                   1332: }
                   1333: 
1.1       albertel 1334: 1;
                   1335: __END__
1.43      albertel 1336:  

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