Annotation of loncom/homework/inputtags.pm, revision 1.199

1.43      albertel    1: # The LearningOnline Network with CAPA
                      2: # input  definitons
1.47      albertel    3: #
1.199   ! albertel    4: # $Id: inputtags.pm,v 1.198 2006/06/30 00:32:25 albertel 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 lib '/home/httpd/lib/perl/';
                     35: use LONCAPA;
                     36:  
1.1       albertel   37: 
1.50      harris41   38: BEGIN {
1.135     albertel   39:     &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
1.1       albertel   40: }
                     41: 
1.177     foxr       42: #   Initializes a set of global variables used during the parse of the problem.
                     43: #
1.178     albertel   44: #  @Apache::inputtags::input        - List of current input ids.
                     45: #  @Apache::inputtags::inputlist    - List of all input ids seen this problem.
                     46: #  @Apache::inputtags::response     - List of all current resopnse ids.
                     47: #  @Apache::inputtags::responselist - List of all response ids seen this 
                     48: #                                       problem.
                     49: #  @Apache::inputtags::hint         - List of all hint ids.
                     50: #  @Apache::inputtags::hintlist     - List of all hint ids seen this problem.
                     51: #  @Apache::inputtags::previous     - List describing if specific responseds
                     52: #                                       have been used
                     53: #  @Apache::inputtags::previous_version - Submission responses were used in.
                     54: #  $Apache::inputtags::part         - Current part id (valid only in 
                     55: #                                       <problem>)
                     56: #                                     0 if not in a part.
                     57: #  @Apache::inputtags::partlist     - List of part ids seen in the current
                     58: #                                       <problem>
                     59: #  @Apache::inputtags::status       - List of problem  statuses. First 
                     60: #                                     element is the status of the <problem>
                     61: #                                     the remainder are for individual <part>s.
                     62: #  %Apache::inputtags::params       - Hash of defined parameters for the
                     63: #                                     current response.
                     64: #  @Apache::inputtags::import       - List of all ids for <import> thes get
                     65: #                                     join()ed and prepended.
                     66: #  @Apache::inputtags::importlist   - List of all import ids seen.
                     67: #  $Apache::inputtags::response_with_no_part
                     68: #                                   - Flag set true if we have seen a response
                     69: #                                     that is not inside a <part>
                     70: #  %Apache::inputtags::answertxt    - <*response> tags store correct
                     71: #                                     answer strings for display by <textline/>
                     72: #                                     in this hash.
                     73: 
1.1       albertel   74: sub initialize_inputtags {
1.135     albertel   75:     @Apache::inputtags::input=();
                     76:     @Apache::inputtags::inputlist=();
1.174     albertel   77:     @Apache::inputtags::response=();
1.135     albertel   78:     @Apache::inputtags::responselist=();
1.174     albertel   79:     @Apache::inputtags::hint=();
1.173     albertel   80:     @Apache::inputtags::hintlist=();
1.135     albertel   81:     @Apache::inputtags::previous=();
                     82:     @Apache::inputtags::previous_version=();
                     83:     $Apache::inputtags::part='';
                     84:     @Apache::inputtags::partlist=();
                     85:     @Apache::inputtags::status=();
                     86:     %Apache::inputtags::params=();
                     87:     @Apache::inputtags::import=();
                     88:     @Apache::inputtags::importlist=();
                     89:     $Apache::inputtags::response_with_no_part=0;
1.144     albertel   90:     %Apache::inputtags::answertxt=();
1.103     albertel   91: }
                     92: 
                     93: sub check_for_duplicate_ids {
                     94:     my %check;
                     95:     foreach my $id (@Apache::inputtags::partlist,
                     96: 		    @Apache::inputtags::responselist,
1.173     albertel   97: 		    @Apache::inputtags::hintlist,
1.103     albertel   98: 		    @Apache::inputtags::importlist) {
                     99: 	$check{$id}++;
                    100:     }
                    101:     my @duplicates;
                    102:     foreach my $id (sort(keys(%check))) {
                    103: 	if ($check{$id} > 1) {
                    104: 	    push(@duplicates,$id);
                    105: 	}
                    106:     }
                    107:     if (@duplicates) {
                    108: 	&Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
                    109:     }
1.1       albertel  110: }
                    111: 
1.14      albertel  112: sub start_input {
1.135     albertel  113:     my ($parstack,$safeeval)=@_;
                    114:     my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
                    115:     if ($id eq '') { $id = $Apache::lonxml::curdepth; }
                    116:     push (@Apache::inputtags::input,$id);
                    117:     push (@Apache::inputtags::inputlist,$id);
                    118:     return $id;
1.14      albertel  119: }
                    120: 
                    121: sub end_input {
1.135     albertel  122:     pop @Apache::inputtags::input;
                    123:     return '';
1.14      albertel  124: }
                    125: 
1.124     www       126: sub addchars {
                    127:     my ($fieldid,$addchars)=@_;
                    128:     my $output='';
                    129:     foreach (split(/\,/,$addchars)) {
                    130: 	$output.='<a href="javascript:void(document.forms.lonhomework.'.
                    131: 	    $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
                    132:     }
                    133:     return $output;
                    134: }
                    135: 
1.48      albertel  136: sub start_textfield {
1.185     albertel  137:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.135     albertel  138:     my $result = "";
                    139:     my $id = &start_input($parstack,$safeeval);
                    140:     my $resid=$Apache::inputtags::response[-1];
                    141:     if ($target eq 'web') {
                    142: 	$Apache::lonxml::evaluate--;
                    143: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    144: 	    my $partid=$Apache::inputtags::part;
1.138     albertel  145: 	    my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
1.135     albertel  146: 	    my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    147: 	    if ( $cols eq '') { $cols = 80; }
                    148: 	    my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
1.143     www       149: 	    if ( $rows eq '') { $rows = 16; }
1.135     albertel  150: 	    my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    151: 	    $result='';
                    152: 	    if ($addchars) {
                    153: 		$result.=&addchars('HWVAL_'.$resid,$addchars);
                    154: 	    }
1.191     albertel  155: 	    &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid);
1.143     www       156: 	    $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
1.135     albertel  157: 		"rows=\"$rows\" cols=\"$cols\">".$oldresponse;
                    158: 	    if ($oldresponse ne '') {
1.143     www       159: 
1.135     albertel  160: 		#get rid of any startup text if the user has already responded
1.185     albertel  161: 		&Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.135     albertel  162: 	    }
                    163: 	} else {
                    164: 	    #right or wrong don't show it
                    165: 	    #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
                    166: 	    $result='';
                    167: 	    #get rid of any startup text
1.185     albertel  168: 	    &Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.61      albertel  169: 	}
1.135     albertel  170:     } elsif ($target eq 'grade') {
1.185     albertel  171: 	my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    172: 						   $style);
1.165     albertel  173: 	if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
1.135     albertel  174: 	    # if the seed text is still there it wasn't a real submission
1.165     albertel  175: 	    $env{'form.HWVAL_'.$resid}='';
1.135     albertel  176: 	}
                    177:     } elsif ($target eq 'edit') {
                    178: 	$result.=&Apache::edit::tag_start($target,$token);
                    179: 	$result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
                    180: 	$result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
                    181: 	$result.=&Apache::edit::text_arg
                    182: 	    ('Click-On Texts (comma sep):','addchars',$token,10);
1.185     albertel  183: 	my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    184: 						   $style);
1.135     albertel  185: 	$result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
                    186:     } elsif ($target eq 'modified') {
                    187: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    188: 						     $safeeval,'rows','cols',
                    189: 						     'addchars');
                    190: 	if ($constructtag) {
                    191: 	    $result = &Apache::edit::rebuild_tag($token);
                    192: 	} else {
                    193: 	    $result=$token->[4];
                    194: 	}
                    195: 	$result.=&Apache::edit::modifiedfield("/textfield",$parser);
                    196:     } elsif ($target eq 'tex') {
                    197: 	my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
                    198: 	my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    199: 	if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
                    200: 	    $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
                    201: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    202: 	    $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
                    203: 	} else {
                    204: 	    my $TeXwidth=$width_of_box/80;
                    205: 	    $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
                    206: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    207: 	    $result.='}}}\vskip 2 mm ';
                    208: 	}
1.60      albertel  209:     }
1.135     albertel  210:     return $result;
1.6       albertel  211: }
                    212: 
1.48      albertel  213: sub end_textfield {
1.135     albertel  214:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    215:     my $result;
                    216:     if ($target eq 'web') {
                    217: 	$Apache::lonxml::evaluate++;
                    218: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    219: 	    return "</textarea>";
                    220: 	}
                    221:     } elsif ($target eq 'edit') {
                    222: 	$result=&Apache::edit::end_table();
                    223:     }
                    224:     &end_input;
                    225:     return $result;
1.6       albertel  226: }
                    227: 
1.190     albertel  228: sub exam_score_line {
1.188     albertel  229:     my ($target) = @_;
1.190     albertel  230: 
1.188     albertel  231:     my $result;
                    232:     if ($target eq 'tex') {
                    233: 	my $repetition = &Apache::response::repetition();
                    234: 	$result.='\begin{enumerate}';
1.190     albertel  235: 	if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
1.188     albertel  236: 	foreach my $i (0..$repetition-1) {
                    237: 	    $result.='\item[\textbf{'.
                    238: 		($Apache::lonxml::counter+$i).
                    239: 		'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
                    240: 	}
                    241: 	$result.= '\end{enumerate}';
1.190     albertel  242:     }
                    243: 
                    244:     return $result;
                    245: }
                    246: 
                    247: sub exam_box {
                    248:     my ($target) = @_;
                    249:     my $result;
1.188     albertel  250: 
1.190     albertel  251:     if ($target eq 'tex') {
                    252: 	$result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
                    253: 	$result .= &exam_score_line($target);
1.188     albertel  254:     } elsif ($target eq 'web') {
                    255: 	my $id=$Apache::inputtags::response[-1];
                    256: 	$result.= '<br /><br />
                    257:                    <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                    258:                    </textarea> <br /><br />';
                    259:     }
                    260:     return $result;
                    261: }
                    262: 
                    263: sub needs_exam_box {
                    264:     my ($tagstack) = @_;
                    265:     my @tags = ('formularesponse',
                    266: 		'stringresponse',
                    267: 		'reactionresponse',
                    268: 		'organicresponse',
                    269: 		);
                    270: 
                    271:     foreach my $tag (@tags) {
                    272: 	if (grep(/\Q$tag\E/,@$tagstack)) {
                    273: 	    return 1;
                    274: 	}
                    275:     }
                    276:     return 0;
                    277: }
                    278: 
1.1       albertel  279: sub start_textline {
1.135     albertel  280:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    281:     my $result = "";
                    282:     if ($target eq 'web') {
                    283: 	$Apache::lonxml::evaluate--;
                    284: 	my $partid=$Apache::inputtags::part;
                    285: 	my $id=$Apache::inputtags::response[-1];
1.193     albertel  286: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER'
1.195     albertel  287: 	    || ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER' &&
                    288: 		$Apache::lonhomework::history{"resource.$partid.solved"} !~ /^correct/	)) {
1.135     albertel  289: 	    my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    290: 	    my $maxlength;
                    291: 	    if ($size eq '') { $size=20; } else {
                    292: 		if ($size < 20) { $maxlength=$size; }
                    293: 	    }
1.138     albertel  294: 	    my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.135     albertel  295: 	    if ($Apache::lonhomework::type ne 'exam') {
                    296: 		my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    297: 		$result='';
                    298: 		if ($addchars) {
                    299: 		    $result.=&addchars('HWVAL_'.$id,$addchars);
                    300: 		}
1.157     albertel  301: 		my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
                    302: 							$safeeval);
1.193     albertel  303: 		if (lc($readonly) eq 'yes' 
                    304: 		    || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1.157     albertel  305: 		    $readonly=' readonly="readonly" ';
1.158     albertel  306: 		} else {
                    307: 		    $readonly='';
1.157     albertel  308: 		}
1.193     albertel  309: 		my $name = 'HWVAL_'.$id;
                    310: 		if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
                    311: 		    $name = "none";
                    312: 		}
                    313: 		$result.= '<input type="text" '.$readonly.' name="'.$name.'" value="'.
1.135     albertel  314: 		    $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
                    315: 	    }
1.188     albertel  316: 	    if ($Apache::lonhomework::type eq 'exam'
                    317: 		&& &needs_exam_box($tagstack)) {
                    318: 		$result.=&exam_box($target);
                    319: 	    }
1.135     albertel  320: 	} else {
                    321: 	    #right or wrong don't show what was last typed in.
1.168     albertel  322: 	    $result='<b>'.$Apache::inputtags::answertxt{$id}.'</b>';
1.144     albertel  323: 	    #$result='';
1.135     albertel  324: 	}
                    325:     } elsif ($target eq 'edit') {
                    326: 	$result=&Apache::edit::tag_start($target,$token);
                    327: 	$result.=&Apache::edit::text_arg('Size:','size',$token,'5').
1.157     albertel  328: 	    &Apache::edit::text_arg('Click-On Texts (comma sep):',
                    329: 				    'addchars',$token,10);
                    330:         $result.=&Apache::edit::select_arg('Readonly:','readonly',
                    331: 					   ['no','yes'],$token);
                    332: 	$result.=&Apache::edit::end_row();
                    333: 	$result.=&Apache::edit::end_table();
1.135     albertel  334:     } elsif ($target eq 'modified') {
1.157     albertel  335: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    336: 						     $safeeval,'size',
                    337: 						     'addchars','readonly');
1.135     albertel  338: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.188     albertel  339:     } elsif ($target eq 'tex' 
                    340: 	     && $Apache::lonhomework::type ne 'exam') {
1.135     albertel  341: 	my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    342: 	if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
                    343: 	$result='\framebox['.$size.'][s]{\tiny\strut}';
1.188     albertel  344: 
                    345:     } elsif ($target eq 'tex' 
                    346: 	     && $Apache::lonhomework::type eq 'exam'
                    347: 	     && &needs_exam_box($tagstack)) {
                    348: 	$result.=&exam_box($target);
1.135     albertel  349:     }
                    350:     return $result;
1.1       albertel  351: }
                    352: 
                    353: sub end_textline {
1.135     albertel  354:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    355:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    356:     elsif ($target eq 'edit') { return ('','no'); }
                    357:     return "";
1.9       albertel  358: }
                    359: 
1.98      albertel  360: sub start_hiddenline {
                    361:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    362:     my $result = "";
                    363:     if ($target eq 'web') {
                    364: 	$Apache::lonxml::evaluate--;
                    365: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    366: 	    my $partid=$Apache::inputtags::part;
                    367: 	    my $id=$Apache::inputtags::response[-1];
1.138     albertel  368: 	    my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.98      albertel  369: 	    if ($Apache::lonhomework::type ne 'exam') {
                    370: 		$result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
                    371: 		    $oldresponse.'" />';
                    372: 	    }
                    373: 	}
                    374:     } elsif ($target eq 'edit') {
                    375: 	$result=&Apache::edit::tag_start($target,$token);
                    376: 	$result.=&Apache::edit::end_table;
                    377:     }
1.189     albertel  378: 
                    379:     if ( ($target eq 'web' || $target eq 'tex')
                    380: 	 && $Apache::lonhomework::type eq 'exam'
                    381: 	 && &needs_exam_box($tagstack)) {
                    382: 	$result.=&exam_box($target);
                    383:     }
1.98      albertel  384:     return $result;
                    385: }
                    386: 
                    387: sub end_hiddenline {
1.135     albertel  388:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    389:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    390:     elsif ($target eq 'edit') { return ('','no'); }
                    391:     return "";
1.98      albertel  392: }
                    393: 
1.160     albertel  394: # $part -> partid
                    395: # $id -> responseid
                    396: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
                    397: # $which -> 'uploadedonly'  -> only newly uploaded files
                    398: #           'portfolioonly' -> only allow files from portfolio
                    399: #           'both' -> allow files from either location
1.175     albertel  400: # $extratext -> additional text to go between the link and the input box
1.160     albertel  401: # returns a table row <tr> 
                    402: sub file_selector {
1.175     albertel  403:     my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
1.160     albertel  404:     if (!$uploadedfiletypes) { return ''; }
1.167     albertel  405: 
                    406:     my $jspart=$part;
                    407:     $jspart=~s/\./_/g;
                    408: 
1.160     albertel  409:     my $result;
                    410:     
1.162     albertel  411:     $result.='<tr><td>';
                    412:     if ($uploadedfiletypes ne '*') {
                    413: 	$result.=
                    414: 	    &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
                    415:     }
1.160     albertel  416:     if ($which eq 'uploadonly' || $which eq 'both') { 
                    417: 	$result.=&mt('Submit a file: (only one file can be uploaded)').
                    418: 	    ' <br /><input type="file" size="50" name="HWFILE'.
1.167     albertel  419: 	    $jspart.'_'.$id.'" /><br />';
1.160     albertel  420: 	my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
                    421: 
                    422: 	if ($uploadedfile) {
                    423: 	    my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
1.176     albertel  424: 	    &Apache::lonxml::extlink($url);
1.160     albertel  425: 	    &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
                    426: 	    my $icon=&Apache::loncommon::icon($url);
                    427: 	    my $curfile='<a href="'.$url.'"><img src="'.$icon.
                    428: 		'" border="0" />'.$uploadedfile.'</a>';
                    429: 	    $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
                    430: 	} else {
                    431: 	    #$result.=&mt('(Hand in a file you have prepared on your computer)');
                    432: 	}
                    433:     }
                    434:     if ( $which eq 'both') { 
                    435: 	$result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
                    436:     }
                    437:     if ($which eq 'portfolioonly' || $which eq 'both') { 
1.175     albertel  438: 	$result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&amp;fieldname=HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
1.160     albertel  439: 	    &mt('Select Portfolio Files').'</a><br />'.
1.167     albertel  440: 	    '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
1.160     albertel  441: 	    '<br />';
                    442: 	if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}=~/[^\s]/){
1.199   ! albertel  443: 	    my (@file_list,@bad_file_list);
        !           444: 	    foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
1.160     albertel  445: 		my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
                    446: 		my $url="/uploaded/$domain/$user/portfolio$file";
                    447: 		my $icon=&Apache::loncommon::icon($url);
1.199   ! albertel  448: 		push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
1.161     albertel  449: 		     '" border="0" />'.$file.'</a>');
1.187     albertel  450: 		if (! &Apache::lonnet::stat_file($url)) {
1.194     banghart  451: 		    &Apache::lonnet::logthis("bad file is $url");
1.187     albertel  452: 		    push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
                    453: 			 '" border="0" />'.$file.'</a>');
                    454: 		}
1.160     albertel  455: 	    }
1.199   ! albertel  456: 	    my $files = '<span class="LC_filename">'.
        !           457: 		join('</span>, <span class="LC_filename">',@file_list).
        !           458: 		'</span>';
        !           459: 	    $result.=&mt("Portfolio files previously selected: [_1]",$files);
1.187     albertel  460: 	    if (@bad_file_list) {
1.199   ! albertel  461: 		my $bad_files = '<span class="LC_filename">'.
        !           462: 		    join('</span>, <span class="LC_filename">',@bad_file_list).
        !           463: 		    '</span>';
        !           464: 		$result.='<br />'.&mt('<span class="LC_error">These file(s) don\'t exist:</span> [_1]',$bad_files);
1.187     albertel  465: 	    }
1.160     albertel  466: 	}
                    467:     }
                    468:     $result.='</td></tr>'; 
                    469:     return $result;
                    470: }
                    471: 
1.136     albertel  472: sub checkstatus {
                    473:     my ($value,$awardref,$msgref)=@_;
                    474:     for (my $i=0;$i<=$#$awardref;$i++) {
                    475: 	if ($$awardref[$i] eq $value) {
                    476: 	    return ($$awardref[$i],$$msgref[$i]);
                    477: 	}
                    478:     }
                    479:     return(undef,undef);
                    480: }
                    481: 
1.179     albertel  482: sub valid_award {
                    483:     my ($award) =@_;
1.182     albertel  484:     foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
                    485: 			       'NO_RESPONSE',
1.179     albertel  486: 			       'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
                    487: 			       'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
                    488: 			       'UNIT_FAIL', 'NO_UNIT',
                    489: 			       'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
                    490: 			       'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', 
                    491: 			       'MISORDERED_RANK', 'INVALID_FILETYPE',
                    492: 			       'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    493: 			       'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
                    494: 	if ($award eq $possibleaward) { return 1; }
                    495:     }
                    496:     return 0;
                    497: }
                    498: 
1.9       albertel  499: sub finalizeawards {
1.181     albertel  500:     my ($awardref,$msgref,$nameref,$reverse)=@_;
1.136     albertel  501:     my $result=undef;
1.135     albertel  502:     my $award;
1.136     albertel  503:     my $msg;
                    504:     if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135     albertel  505:     if ($result eq '' ) {
                    506: 	my $blankcount;
1.136     albertel  507: 	foreach $award (@$awardref) {
1.135     albertel  508: 	    if ($award eq '') {
                    509: 		$result='MISSING_ANSWER';
                    510: 		$blankcount++;
                    511: 	    }
                    512: 	}
1.136     albertel  513: 	if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
1.135     albertel  514:     }
1.136     albertel  515:     if (defined($result)) { return ($result,$msg); }
1.181     albertel  516: 
                    517:     # these awards are ordered from most important error through best correct
                    518:     
1.182     albertel  519:     my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
                    520: 		  'TOO_LONG',
1.181     albertel  521: 		  'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
                    522: 		  'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
                    523: 		  'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
                    524: 		  'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
                    525: 		  'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    526: 		  'APPROX_ANS', 'EXACT_ANS');
                    527:     if ($reverse) { @awards=reverse(@awards); }
                    528:     foreach my $possibleaward (@awards) {
1.136     albertel  529: 	($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
                    530: 	if (defined($result)) { return ($result,$msg); }
1.135     albertel  531:     }
1.136     albertel  532:     return ('ERROR',undef);
1.9       albertel  533: }
                    534: 
1.10      albertel  535: sub decideoutput {
1.169     albertel  536:     my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
1.135     albertel  537:     my $message='';
                    538:     my $button=0;
                    539:     my $previousmsg;
                    540:     my $bgcolor='orange';
1.148     albertel  541:     my $added_computer_text=0;
1.135     albertel  542:     my %possiblecolors =
                    543: 	( 'correct' => '#aaffaa',
                    544: 	  'charged_try' => '#ffaaaa',
                    545: 	  'not_charged_try' => '#ffffaa',
                    546: 	  'no_message' => '#fffff',
                    547: 	  );
1.169     albertel  548: 
1.180     albertel  549:     my $part = $Apache::inputtags::part;
                    550:     my $handgrade = 
                    551: 	('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade")));
                    552:     
                    553:     my $computer = ($handgrade)? ''
                    554: 	                       : " ".&mt("Computer's answer now shown above.");
                    555:     &Apache::lonxml::debug("handgrade has :$handgrade:");
                    556: 
1.135     albertel  557:     if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
                    558:     
1.194     banghart  559:     if ($solved =~ /^correct/) {
                    560:         $bgcolor=$possiblecolors{'correct'};
1.170     albertel  561: 	$message=&mt('You are correct.');
                    562: 	if ($awarded < 1 && $awarded > 0) {
                    563: 	    $message=&mt('You are partially correct.');
                    564: 	    $bgcolor=$possiblecolors{'not_charged_try'};
                    565: 	} elsif ($awarded < 1) {
                    566: 	    $message=&mt('Incorrect.');
                    567: 	    $bgcolor=$possiblecolors{'charged_try'};
                    568: 	}
1.172     albertel  569: 	if ($env{'request.filename'} =~ 
                    570: 	    m|/res/lib/templates/examupload.problem$|) {
                    571: 	    $message = &mt("A score has been assigned.");
                    572: 	    $added_computer_text=1;
1.135     albertel  573: 	} else {
1.172     albertel  574: 	    if ($target eq 'tex') {
                    575: 		$message = '\textbf{'.$message.'}';
                    576: 	    } else {
                    577: 		$message = "<b>".$message."</b>";
1.180     albertel  578: 		$message.= $computer;
1.135     albertel  579: 	    }
1.172     albertel  580: 	    $added_computer_text=1;
1.165     albertel  581: 	    unless ($env{'course.'.
                    582: 			     $env{'request.course.id'}.
1.135     albertel  583: 			     '.disable_receipt_display'} eq 'yes') { 
                    584: 		$message.=(($target eq 'web')?'<br />':' ').
                    585: 		    &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
                    586: 		    (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
                    587: 	    }
                    588: 	}
                    589: 	$button=0;
                    590: 	$previousmsg='';
                    591:     } elsif ($solved =~ /^excused/) {
                    592: 	if ($target eq 'tex') {
                    593: 	    $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
                    594: 	} else {
                    595: 	    $message = "<b>".&mt('You are excused from the problem.')."</b>";
                    596: 	}
                    597: 	$bgcolor=$possiblecolors{'charged_try'};
                    598: 	$button=0;
                    599: 	$previousmsg='';
                    600:     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
                    601: 	if ($solved =~ /^incorrect/ || $solved eq '') {
1.144     albertel  602: 	    $message = &mt("Incorrect").".";
1.135     albertel  603: 	    $bgcolor=$possiblecolors{'charged_try'};
                    604: 	    $button=1;
                    605: 	} else {
1.144     albertel  606: 	    if ($target eq 'tex') {
                    607: 		$message = '\textbf{'.&mt('You are correct.').'}';
                    608: 	    } else {
                    609: 		$message = "<b>".&mt('You are correct.')."</b>";
1.180     albertel  610: 		$message.= $computer;
1.144     albertel  611: 	    }
1.148     albertel  612: 	    $added_computer_text=1;
1.165     albertel  613: 	    unless ($env{'course.'.
                    614: 			     $env{'request.course.id'}.
1.135     albertel  615: 			     '.disable_receipt_display'} eq 'yes') { 
                    616: 		$message.=(($target eq 'web')?'<br />':' ').
                    617: 		    'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
                    618: 		    (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
                    619: 	    }
                    620: 	    $bgcolor=$possiblecolors{'correct'};
                    621: 	    $button=0;
                    622: 	    $previousmsg='';
                    623: 	}
                    624:     } elsif ($award eq 'NO_RESPONSE') {
                    625: 	$message = '';
                    626: 	$bgcolor=$possiblecolors{'no_feedback'};
                    627: 	$button=1;
1.182     albertel  628:     } elsif ($award eq 'EXTRA_ANSWER') {
                    629: 	$message = &mt('Some extra items were submitted.');
                    630: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    631: 	$button = 1;
1.135     albertel  632:     } elsif ($award eq 'MISSING_ANSWER') {
                    633: 	$message = &mt('Some items were not submitted.');
                    634: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    635: 	$button = 1;
                    636:     } elsif ($award eq 'ERROR') {
                    637: 	$message = &mt('An error occured while grading your answer.');
                    638: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    639: 	$button = 1;
                    640:     } elsif ($award eq 'TOO_LONG') {
                    641: 	$message = &mt("The submitted answer was too long.");
                    642: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    643: 	$button=1;
                    644:     } elsif ($award eq 'WANTED_NUMERIC') {
                    645: 	$message = &mt("This question expects a numeric answer.");
                    646: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    647: 	$button=1;
                    648:     } elsif ($award eq 'MISORDERED_RANK') {
                    649: 	$message = &mt('You have provided an invalid ranking');
                    650: 	if ($target ne 'tex') {
1.159     albertel  651: 	    $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
1.135     albertel  652: 	}
                    653: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    654: 	$button=1;
                    655:     } elsif ($award eq 'INVALID_FILETYPE') {
1.166     albertel  656: 	$message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
1.135     albertel  657: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    658: 	$button=1;
                    659:     } elsif ($award eq 'SIG_FAIL') {
1.145     albertel  660: 	my ($used,$min,$max)=split(':',$awardmsg);
                    661: 	my $word;
                    662: 	if ($used < $min) { $word=&mt('more'); }
                    663: 	if ($used > $max) { $word=&mt('fewer'); }
                    664: 	$message = &mt("Submission not graded.  Use [_2] digits.",$used,$word);
1.135     albertel  665: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    666: 	$button=1;
1.137     albertel  667:     } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
                    668: 	$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
                    669: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
                    670: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    671: 	$button=1;
                    672:     } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155     albertel  673: 	$message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137     albertel  674: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
                    675: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    676: 	$button=1;
1.140     matthew   677:     } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155     albertel  678: 	$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136     albertel  679: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.135     albertel  680: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    681: 	$button=1;
                    682:     } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155     albertel  683: 	$message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.135     albertel  684: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    685: 	$button=1;
                    686:     } elsif ($award eq 'NO_UNIT') {
1.144     albertel  687: 	$message = &mt("Units required").'.';
1.135     albertel  688: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
                    689: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    690: 	$button=1;
1.153     albertel  691:     } elsif ($award eq 'COMMA_FAIL') {
                    692: 	$message = &mt("Proper comma separation is required").'.';
                    693: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    694: 	$button=1;
1.135     albertel  695:     } elsif ($award eq 'BAD_FORMULA') {
                    696: 	$message = &mt("Unable to understand formula");
                    697: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    698: 	$button=1;
                    699:     } elsif ($award eq 'INCORRECT') {
1.144     albertel  700: 	$message = &mt("Incorrect").'.';
1.135     albertel  701: 	$bgcolor=$possiblecolors{'charged_try'};
                    702: 	$button=1;
                    703:     } elsif ($award eq 'SUBMITTED') {
                    704: 	$message = &mt("Your submission has been recorded.");
                    705: 	$bgcolor=$possiblecolors{'correct'};
                    706: 	$button=1;
                    707:     } elsif ($award eq 'DRAFT') {
1.144     albertel  708: 	$message = &mt("A draft copy has been saved.");
1.135     albertel  709: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    710: 	$button=1;
                    711:     } elsif ($award eq 'ASSIGNED_SCORE') {
1.144     albertel  712: 	$message = &mt("A score has been assigned.");
1.135     albertel  713: 	$bgcolor=$possiblecolors{'correct'};
                    714: 	$button=0;
1.144     albertel  715:     } elsif ($award eq '') {
1.186     albertel  716: 	if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
                    717: 	    $message = &mt("Nothing submitted.");
                    718: 	    $bgcolor=$possiblecolors{'charged_try'};
                    719: 	} else {
                    720: 	    $bgcolor=$possiblecolors{'not_charged_try'};
                    721: 	}
1.144     albertel  722: 	$button=1;
1.135     albertel  723:     } else {
                    724: 	$message = &mt("Unknown message").": $award";
                    725: 	$button=1;
                    726:     }
1.194     banghart  727:     my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
                    728:     foreach my $resid(@Apache::inputtags::response){
                    729:         if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1.198     albertel  730: 	    $message.='<br />';
                    731: 	    my @files = split(/\s*,\s*/,
                    732: 			      $Apache::lonhomework::history{"resource.$part.$resid.handback"});
                    733: 	    my $file_msg;
                    734: 	    foreach my $file (@files) {
                    735: 		$file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
                    736: 	    }
                    737: 	    $message .= &mt('Returned file(s): [_1]',$file_msg);
                    738: 	}
1.194     banghart  739:     }
                    740: 
1.135     albertel  741:     if (lc($Apache::lonhomework::problemstatus) eq 'no'  && 
                    742: 	$Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
                    743: 	$message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
                    744: 	$bgcolor=$possiblecolors{'correct'};
                    745: 	$button=1;
                    746:     }
1.148     albertel  747:     if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 
1.150     albertel  748: 	!$added_computer_text && $target ne 'tex') {
1.180     albertel  749: 	$message.= $computer;
1.148     albertel  750: 	$added_computer_text=1;
1.144     albertel  751:     }
1.135     albertel  752:     return ($button,$bgcolor,$message,$previousmsg);
1.12      albertel  753: }
                    754: 
1.155     albertel  755: sub markup_unit {
                    756:     my ($unit,$target)=@_;
                    757:     if ($target eq 'tex') {
                    758: 	return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 
                    759:     } else {
                    760: 	return "<tt>".$unit."</tt>";
                    761:     }
                    762: }
                    763: 
1.88      albertel  764: sub removealldata {
1.87      albertel  765:     my ($id)=@_;
                    766:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    767: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    768: 	    &Apache::lonxml::debug("Removing $key");
                    769: 	    delete($Apache::lonhomework::results{$key});
                    770: 	}
                    771:     }
                    772: }
                    773: 
1.142     albertel  774: sub hidealldata {
                    775:     my ($id)=@_;
                    776:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    777: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    778: 	    &Apache::lonxml::debug("Hidding $key");
                    779: 	    my $newkey=$key;
                    780: 	    $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
                    781: 	    $Apache::lonhomework::results{$newkey}=
                    782: 		$Apache::lonhomework::results{$key};
                    783: 	    delete($Apache::lonhomework::results{$key});
                    784: 	}
                    785:     }
                    786: }
                    787: 
1.12      albertel  788: sub setgradedata {
1.136     albertel  789:     my ($award,$msg,$id,$previously_used) = @_;
1.154     albertel  790:     if ($Apache::lonhomework::scantronmode && 
1.165     albertel  791: 	&Apache::lonnet::validCODE($env{'form.CODE'})) {
                    792: 	$Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154     albertel  793:     } elsif ($Apache::lonhomework::scantronmode && 
1.165     albertel  794: 	     $env{'form.CODE'} eq '' &&
1.154     albertel  795: 	     $Apache::lonhomework::history{"resource.CODE"} ne '') {
                    796: 	$Apache::lonhomework::results{"resource.CODE"}='';
1.141     albertel  797:     }
1.154     albertel  798: 
1.135     albertel  799:     if (!$Apache::lonhomework::scantronmode &&
                    800: 	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                    801: 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
                    802: 	$Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87      albertel  803: 	return '';
1.135     albertel  804:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
                    805: 	      /^correct/ || $Apache::lonhomework::scantronmode ||
                    806: 	      lc($Apache::lonhomework::problemstatus) eq 'no') {
1.154     albertel  807:         # the student doesn't already have it correct,
                    808: 	# or we are in a mode (scantron orno problem status) where a correct 
                    809:         # can become incorrect
                    810: 	# handle assignment of tries and solved status
1.135     albertel  811: 	my $solvemsg;
                    812: 	if ($Apache::lonhomework::scantronmode) {
                    813: 	    $solvemsg='correct_by_scantron';
                    814: 	} else {
                    815: 	    $solvemsg='correct_by_student';
                    816: 	}
                    817: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                    818: 	    $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
                    819: 	}
                    820: 	if ( $award eq 'ASSIGNED_SCORE') {
                    821: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    822: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    823: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    824: 		$solvemsg;
                    825: 	    my $numawards=scalar(@Apache::inputtags::response);
                    826: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    827: 	    foreach my $res (@Apache::inputtags::response) {
                    828: 		$Apache::lonhomework::results{"resource.$id.awarded"}+=
                    829: 		    $Apache::lonhomework::results{"resource.$id.$res.awarded"};
                    830: 	    }
                    831: 	    if ($numawards > 0) {
                    832: 		$Apache::lonhomework::results{"resource.$id.awarded"}/=
                    833: 		    $numawards;
                    834: 	    }
                    835: 	} elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
                    836: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    837: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    838: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    839: 		$solvemsg;
                    840: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
                    841: 	} elsif ( $award eq 'INCORRECT' ) {
                    842: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    843: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.152     albertel  844: 	    if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
                    845: 		$Apache::lonhomework::scantronmode) {
1.135     albertel  846: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    847: 	    }
                    848: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    849: 		'incorrect_attempted';
                    850: 	} elsif ( $award eq 'SUBMITTED' ) {
                    851: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    852: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    853: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    854: 		'ungraded_attempted';
                    855: 	} elsif ( $award eq 'DRAFT' ) {
                    856: 	    $Apache::lonhomework::results{"resource.$id.solved"} = '';
                    857: 	} elsif ( $award eq 'NO_RESPONSE' ) {
                    858: 	    #no real response so delete any data that got stored
1.129     albertel  859: 	    &removealldata($id);
                    860: 	    return '';
                    861: 	} else {
1.135     albertel  862: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    863: 		'incorrect_attempted';
1.152     albertel  864: 	    if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
                    865: 		$Apache::lonhomework::scantronmode) {
1.135     albertel  866: 		$Apache::lonhomework::results{"resource.$id.tries"} =
                    867: 		    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    868: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    869: 	    }
                    870: 	}
1.136     albertel  871: 	if (defined($msg)) {
                    872: 	    $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
                    873: 	}
1.135     albertel  874: 	# did either of the overall awards chage? If so ignore the 
                    875: 	# previous check
                    876: 	if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
                    877: 	     $Apache::lonhomework::history{"resource.$id.awarded"}) &&
                    878: 	    ($Apache::lonhomework::results{"resource.$id.solved"} eq
                    879: 	     $Apache::lonhomework::history{"resource.$id.solved"})) {
                    880: 	    # check if this was a previous submission if it was delete the
                    881: 	    # unneeded data and update the previously_used attribute
                    882: 	    if ( $previously_used eq 'PREVIOUSLY_USED') {
                    883: 		if (lc($Apache::lonhomework::problemstatus) ne 'no') {
                    884: 		    delete($Apache::lonhomework::results{"resource.$id.tries"});
                    885: 		    $Apache::lonhomework::results{"resource.$id.previous"} = '1';
                    886: 		}
                    887: 	    } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
                    888: 		#delete all data as they student didn't do anything, but save
                    889: 		#the list of collaborators.
                    890: 		&removealldata($id);
                    891: 		#and since they didn't do anything we were never here
                    892: 		return '';
                    893: 	    } else {
                    894: 		$Apache::lonhomework::results{"resource.$id.previous"} = '0';
                    895: 	    }
1.101     albertel  896: 	}
1.135     albertel  897:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
                    898: 	      /^correct/ ) {
                    899: 	#delete all data as they student already has it correct
                    900: 	&removealldata($id);
                    901: 	#and since they didn't do anything we were never here
                    902: 	return '';
1.40      albertel  903:     }
1.135     albertel  904:     $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.184     albertel  905:     if ($award eq 'SUBMITTED') {
                    906: 	&Apache::response::add_to_gradingqueue();
                    907:     }
1.10      albertel  908: }
                    909: 
1.9       albertel  910: sub grade {
1.135     albertel  911:     my ($target) = @_;
                    912:     my $id = $Apache::inputtags::part;
                    913:     my $response='';
1.165     albertel  914:     if ( defined $env{'form.submitted'}) {
1.136     albertel  915: 	my (@awards,@msgs);
1.135     albertel  916: 	foreach $response (@Apache::inputtags::response) {
                    917: 	    &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
                    918: 	    my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
                    919: 	    &Apache::lonxml::debug("keeping $value from $response for $id");
                    920: 	    push (@awards,$value);
1.136     albertel  921: 	    $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
                    922: 	    &Apache::lonxml::debug("got message $value from $response for $id");
                    923: 	    push (@msgs,$value);
1.135     albertel  924: 	}
1.136     albertel  925: 	my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
1.135     albertel  926: 	my $previously_used;
                    927: 	if ( $#Apache::inputtags::previous eq $#awards ) {
                    928: 	    my $match=0;
                    929: 	    my @matches;
                    930: 	    foreach my $versionar (@Apache::inputtags::previous_version) {
                    931: 		foreach my $version (@$versionar) {
                    932: 		    $matches[$version]++;
                    933: 		}
                    934: 	    }
                    935: 	    foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
                    936: 	    if ($match) {
                    937: 		$previously_used = 'PREVIOUSLY_LAST';
                    938: 		foreach my $value (@Apache::inputtags::previous) {
                    939: 		    if ($value eq 'PREVIOUSLY_USED' ) {
                    940: 			$previously_used = $value;
                    941: 			last;
                    942: 		    }
1.75      albertel  943: 		}
                    944: 	    }
1.43      albertel  945: 	}
1.136     albertel  946: 	&Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
                    947: 	&setgradedata($finalaward,$msg,$id,$previously_used);
1.43      albertel  948:     }
1.135     albertel  949:     return '';
1.1       albertel  950: }
                    951: 
1.11      albertel  952: sub gradestatus {
1.135     albertel  953:     my ($id,$target) = @_;
                    954:     my $showbutton = 1;
                    955:     my $bgcolor = '';
                    956:     my $message = '';
                    957:     my $latemessage = '';
                    958:     my $trystr='';
                    959:     my $button='';
                    960:     my $previousmsg='';
                    961: 
                    962:     my $status = $Apache::inputtags::status['-1'];
                    963:     &Apache::lonxml::debug("gradestatus has :$status:");
1.183     albertel  964:     if ( $status ne 'CLOSED' 
                    965: 	 && $status ne 'UNAVAILABLE' 
                    966: 	 && $status ne 'INVALID_ACCESS' 
                    967: 	 && $status ne 'NEEDS_CHECKIN' 
                    968: 	 && $status ne 'NOT_IN_A_SLOT') {  
1.135     albertel  969: 	my $award = $Apache::lonhomework::history{"resource.$id.award"};
1.169     albertel  970: 	my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"};
1.135     albertel  971: 	my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
                    972: 	my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
1.136     albertel  973: 	my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
                    974: 	&Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1.144     albertel  975: 	if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1.135     albertel  976: 	    &Apache::lonxml::debug('Getting message');
                    977: 	    ($showbutton,$bgcolor,$message,$previousmsg) =
1.169     albertel  978: 		&decideoutput($award,$awarded,$awardmsg,$solved,$previous,
                    979: 			      $target);
1.135     albertel  980: 	    if ($target eq 'tex') {
                    981: 		$message='\vskip 2 mm '.$message.' ';
                    982: 	    } else {
                    983: 		$message="<td bgcolor=\"$bgcolor\">$message</td>";
                    984: 		if ($previousmsg) {
                    985: 		    $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
                    986: 		}
                    987: 	    }
                    988: 	}
                    989: 	my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
                    990: 	my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
                    991: 	&Apache::lonxml::debug("got maxtries of :$maxtries:");
                    992: 	#if tries are set to negative turn off the Tries/Button and messages
                    993: 	if (defined($maxtries) && $maxtries < 0) { return ''; }
                    994: 	if ( $tries eq '' ) { $tries = '0'; }
                    995: 	if ( $maxtries eq '' ) { $maxtries = '2'; } 
                    996: 	if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
                    997: 	my $tries_text=&mt('Tries');
1.164     albertel  998: 	if ( $Apache::lonhomework::type eq 'survey' ||
                    999: 	     $Apache::lonhomework::parsing_a_task) {
                   1000: 	    $tries_text=&mt('Submissions');
                   1001: 	}
1.135     albertel 1002: 	if ( $showbutton ) {
                   1003: 	    if ($target eq 'tex') {
1.165     albertel 1004: 		if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') {
1.135     albertel 1005: 		    $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
                   1006: 		} else {
                   1007: 		    $trystr = '\vskip 0 mm ';
                   1008: 		}
                   1009: 	    } else {
1.136     albertel 1010: 		$trystr = "<td><nobr>".$tries_text." $tries";
1.164     albertel 1011: 		if ($Apache::lonhomework::parsing_a_task) {
1.165     albertel 1012: 		} elsif($env{'request.state'} ne 'construct') {
1.135     albertel 1013: 		    $trystr.="/$maxtries";
                   1014: 		} else {
                   1015: 		    if (defined($Apache::inputtags::params{'maxtries'})) {
                   1016: 			$trystr.="/".$Apache::inputtags::params{'maxtries'};
                   1017: 		    }
                   1018: 		}
1.136     albertel 1019: 		$trystr.="</nobr></td>";
1.135     albertel 1020: 	    }
                   1021: 	}
                   1022: 	if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
                   1023: 	if ( $showbutton ) { 
                   1024: 	    if ($target ne 'tex') {
1.156     albertel 1025: 		$button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
1.135     albertel 1026: 	    }
                   1027: 	}
                   1028: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                   1029: 	    #last submissions was after due date
1.163     albertel 1030: 	    $latemessage=&mt(' The last submission was after the Due Date ');;
                   1031: 	    if ($target eq 'web') {
                   1032: 		$latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1.135     albertel 1033: 	    }
                   1034: 	}
                   1035:     }
                   1036:     my $output= $previousmsg.$latemessage.$message.$trystr;
                   1037:     if ($output =~ /^\s*$/) {
                   1038: 	return $button;
1.63      sakharuk 1039:     } else {
1.135     albertel 1040: 	if ($target eq 'tex') {
                   1041: 	    return $button.' \vskip 0 mm '.$output.' ';
                   1042: 	} else {
                   1043: 	    return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
                   1044: 	}
1.63      sakharuk 1045:     }
1.11      albertel 1046: }
1.1       albertel 1047: 1;
                   1048: __END__
1.43      albertel 1049:  

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