Annotation of loncom/homework/inputtags.pm, revision 1.205

1.43      albertel    1: # The LearningOnline Network with CAPA
                      2: # input  definitons
1.47      albertel    3: #
1.205   ! albertel    4: # $Id: inputtags.pm,v 1.204 2006/07/20 21:48:07 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--;
1.205   ! albertel  143: 	my $partid=$Apache::inputtags::part;
        !           144: 	my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
1.135     albertel  145: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    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,$style);
1.135     albertel  162: 	    }
                    163: 	} else {
1.205   ! albertel  164: 	    #show past answer in the essayresponse case
        !           165: 	    if ($oldresponse =~ /\S/
        !           166: 		&& &Apache::londefdef::is_inside_of($tagstack,
        !           167: 						    'essayresponse') ) {
        !           168: 		$result='<table class="LC_pastsubmission"><tr><td>'.
        !           169: 		    $oldresponse.'</td></tr></table>';
        !           170: 	    }
1.135     albertel  171: 	    #get rid of any startup text
1.185     albertel  172: 	    &Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.61      albertel  173: 	}
1.135     albertel  174:     } elsif ($target eq 'grade') {
1.185     albertel  175: 	my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    176: 						   $style);
1.165     albertel  177: 	if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
1.135     albertel  178: 	    # if the seed text is still there it wasn't a real submission
1.165     albertel  179: 	    $env{'form.HWVAL_'.$resid}='';
1.135     albertel  180: 	}
                    181:     } elsif ($target eq 'edit') {
                    182: 	$result.=&Apache::edit::tag_start($target,$token);
                    183: 	$result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
                    184: 	$result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
                    185: 	$result.=&Apache::edit::text_arg
                    186: 	    ('Click-On Texts (comma sep):','addchars',$token,10);
1.185     albertel  187: 	my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
                    188: 						   $style);
1.135     albertel  189: 	$result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
                    190:     } elsif ($target eq 'modified') {
                    191: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    192: 						     $safeeval,'rows','cols',
                    193: 						     'addchars');
                    194: 	if ($constructtag) {
                    195: 	    $result = &Apache::edit::rebuild_tag($token);
                    196: 	} else {
                    197: 	    $result=$token->[4];
                    198: 	}
                    199: 	$result.=&Apache::edit::modifiedfield("/textfield",$parser);
                    200:     } elsif ($target eq 'tex') {
                    201: 	my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
                    202: 	my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
                    203: 	if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
                    204: 	    $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
                    205: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    206: 	    $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
                    207: 	} else {
                    208: 	    my $TeXwidth=$width_of_box/80;
                    209: 	    $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
                    210: 	    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
                    211: 	    $result.='}}}\vskip 2 mm ';
                    212: 	}
1.60      albertel  213:     }
1.135     albertel  214:     return $result;
1.6       albertel  215: }
                    216: 
1.48      albertel  217: sub end_textfield {
1.135     albertel  218:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    219:     my $result;
                    220:     if ($target eq 'web') {
                    221: 	$Apache::lonxml::evaluate++;
                    222: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    223: 	    return "</textarea>";
                    224: 	}
                    225:     } elsif ($target eq 'edit') {
                    226: 	$result=&Apache::edit::end_table();
                    227:     }
                    228:     &end_input;
                    229:     return $result;
1.6       albertel  230: }
                    231: 
1.190     albertel  232: sub exam_score_line {
1.188     albertel  233:     my ($target) = @_;
1.190     albertel  234: 
1.188     albertel  235:     my $result;
                    236:     if ($target eq 'tex') {
                    237: 	my $repetition = &Apache::response::repetition();
                    238: 	$result.='\begin{enumerate}';
1.190     albertel  239: 	if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
1.188     albertel  240: 	foreach my $i (0..$repetition-1) {
                    241: 	    $result.='\item[\textbf{'.
                    242: 		($Apache::lonxml::counter+$i).
                    243: 		'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
                    244: 	}
                    245: 	$result.= '\end{enumerate}';
1.190     albertel  246:     }
                    247: 
                    248:     return $result;
                    249: }
                    250: 
                    251: sub exam_box {
                    252:     my ($target) = @_;
                    253:     my $result;
1.188     albertel  254: 
1.190     albertel  255:     if ($target eq 'tex') {
                    256: 	$result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
                    257: 	$result .= &exam_score_line($target);
1.188     albertel  258:     } elsif ($target eq 'web') {
                    259: 	my $id=$Apache::inputtags::response[-1];
                    260: 	$result.= '<br /><br />
                    261:                    <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                    262:                    </textarea> <br /><br />';
                    263:     }
                    264:     return $result;
                    265: }
                    266: 
                    267: sub needs_exam_box {
                    268:     my ($tagstack) = @_;
                    269:     my @tags = ('formularesponse',
                    270: 		'stringresponse',
                    271: 		'reactionresponse',
                    272: 		'organicresponse',
                    273: 		);
                    274: 
                    275:     foreach my $tag (@tags) {
                    276: 	if (grep(/\Q$tag\E/,@$tagstack)) {
                    277: 	    return 1;
                    278: 	}
                    279:     }
                    280:     return 0;
                    281: }
                    282: 
1.1       albertel  283: sub start_textline {
1.135     albertel  284:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    285:     my $result = "";
                    286:     if ($target eq 'web') {
                    287: 	$Apache::lonxml::evaluate--;
                    288: 	my $partid=$Apache::inputtags::part;
                    289: 	my $id=$Apache::inputtags::response[-1];
1.204     albertel  290: 	if (!&Apache::response::show_answer()) {
1.135     albertel  291: 	    my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    292: 	    my $maxlength;
                    293: 	    if ($size eq '') { $size=20; } else {
                    294: 		if ($size < 20) { $maxlength=$size; }
                    295: 	    }
1.138     albertel  296: 	    my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.135     albertel  297: 	    if ($Apache::lonhomework::type ne 'exam') {
                    298: 		my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
                    299: 		$result='';
                    300: 		if ($addchars) {
                    301: 		    $result.=&addchars('HWVAL_'.$id,$addchars);
                    302: 		}
1.157     albertel  303: 		my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
                    304: 							$safeeval);
1.193     albertel  305: 		if (lc($readonly) eq 'yes' 
                    306: 		    || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1.157     albertel  307: 		    $readonly=' readonly="readonly" ';
1.158     albertel  308: 		} else {
                    309: 		    $readonly='';
1.157     albertel  310: 		}
1.193     albertel  311: 		my $name = 'HWVAL_'.$id;
                    312: 		if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
                    313: 		    $name = "none";
                    314: 		}
                    315: 		$result.= '<input type="text" '.$readonly.' name="'.$name.'" value="'.
1.135     albertel  316: 		    $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
                    317: 	    }
1.188     albertel  318: 	    if ($Apache::lonhomework::type eq 'exam'
                    319: 		&& &needs_exam_box($tagstack)) {
                    320: 		$result.=&exam_box($target);
                    321: 	    }
1.135     albertel  322: 	} else {
                    323: 	    #right or wrong don't show what was last typed in.
1.168     albertel  324: 	    $result='<b>'.$Apache::inputtags::answertxt{$id}.'</b>';
1.144     albertel  325: 	    #$result='';
1.135     albertel  326: 	}
                    327:     } elsif ($target eq 'edit') {
                    328: 	$result=&Apache::edit::tag_start($target,$token);
                    329: 	$result.=&Apache::edit::text_arg('Size:','size',$token,'5').
1.157     albertel  330: 	    &Apache::edit::text_arg('Click-On Texts (comma sep):',
                    331: 				    'addchars',$token,10);
                    332:         $result.=&Apache::edit::select_arg('Readonly:','readonly',
                    333: 					   ['no','yes'],$token);
                    334: 	$result.=&Apache::edit::end_row();
                    335: 	$result.=&Apache::edit::end_table();
1.135     albertel  336:     } elsif ($target eq 'modified') {
1.157     albertel  337: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    338: 						     $safeeval,'size',
                    339: 						     'addchars','readonly');
1.135     albertel  340: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.188     albertel  341:     } elsif ($target eq 'tex' 
                    342: 	     && $Apache::lonhomework::type ne 'exam') {
1.135     albertel  343: 	my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
                    344: 	if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
                    345: 	$result='\framebox['.$size.'][s]{\tiny\strut}';
1.188     albertel  346: 
                    347:     } elsif ($target eq 'tex' 
                    348: 	     && $Apache::lonhomework::type eq 'exam'
                    349: 	     && &needs_exam_box($tagstack)) {
                    350: 	$result.=&exam_box($target);
1.135     albertel  351:     }
                    352:     return $result;
1.1       albertel  353: }
                    354: 
                    355: sub end_textline {
1.135     albertel  356:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    357:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    358:     elsif ($target eq 'edit') { return ('','no'); }
                    359:     return "";
1.9       albertel  360: }
                    361: 
1.98      albertel  362: sub start_hiddenline {
                    363:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    364:     my $result = "";
                    365:     if ($target eq 'web') {
                    366: 	$Apache::lonxml::evaluate--;
                    367: 	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
                    368: 	    my $partid=$Apache::inputtags::part;
                    369: 	    my $id=$Apache::inputtags::response[-1];
1.138     albertel  370: 	    my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.98      albertel  371: 	    if ($Apache::lonhomework::type ne 'exam') {
                    372: 		$result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
                    373: 		    $oldresponse.'" />';
                    374: 	    }
                    375: 	}
                    376:     } elsif ($target eq 'edit') {
                    377: 	$result=&Apache::edit::tag_start($target,$token);
                    378: 	$result.=&Apache::edit::end_table;
                    379:     }
1.189     albertel  380: 
                    381:     if ( ($target eq 'web' || $target eq 'tex')
                    382: 	 && $Apache::lonhomework::type eq 'exam'
                    383: 	 && &needs_exam_box($tagstack)) {
                    384: 	$result.=&exam_box($target);
                    385:     }
1.98      albertel  386:     return $result;
                    387: }
                    388: 
                    389: sub end_hiddenline {
1.135     albertel  390:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    391:     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
                    392:     elsif ($target eq 'edit') { return ('','no'); }
                    393:     return "";
1.98      albertel  394: }
                    395: 
1.160     albertel  396: # $part -> partid
                    397: # $id -> responseid
                    398: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
                    399: # $which -> 'uploadedonly'  -> only newly uploaded files
                    400: #           'portfolioonly' -> only allow files from portfolio
                    401: #           'both' -> allow files from either location
1.175     albertel  402: # $extratext -> additional text to go between the link and the input box
1.160     albertel  403: # returns a table row <tr> 
                    404: sub file_selector {
1.175     albertel  405:     my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
1.160     albertel  406:     if (!$uploadedfiletypes) { return ''; }
1.167     albertel  407: 
                    408:     my $jspart=$part;
                    409:     $jspart=~s/\./_/g;
                    410: 
1.160     albertel  411:     my $result;
                    412:     
1.162     albertel  413:     $result.='<tr><td>';
                    414:     if ($uploadedfiletypes ne '*') {
                    415: 	$result.=
                    416: 	    &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
                    417:     }
1.160     albertel  418:     if ($which eq 'uploadonly' || $which eq 'both') { 
                    419: 	$result.=&mt('Submit a file: (only one file can be uploaded)').
                    420: 	    ' <br /><input type="file" size="50" name="HWFILE'.
1.167     albertel  421: 	    $jspart.'_'.$id.'" /><br />';
1.205   ! albertel  422: 	$result .= &show_past_file_submission($part,$id);
1.160     albertel  423:     }
                    424:     if ( $which eq 'both') { 
                    425: 	$result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
                    426:     }
                    427:     if ($which eq 'portfolioonly' || $which eq 'both') { 
1.175     albertel  428: 	$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  429: 	    &mt('Select Portfolio Files').'</a><br />'.
1.167     albertel  430: 	    '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
1.160     albertel  431: 	    '<br />';
1.205   ! albertel  432: 	$result .= &show_past_portfile_submission($part,$id);
        !           433: 
1.160     albertel  434:     }
                    435:     $result.='</td></tr>'; 
                    436:     return $result;
                    437: }
                    438: 
1.205   ! albertel  439: sub show_past_file_submission {
        !           440:     my ($part,$id) = @_;
        !           441:     my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
        !           442: 
        !           443:     return if (!$uploadedfile);
        !           444: 
        !           445:     my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
        !           446:     &Apache::lonxml::extlink($url);
        !           447:     &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
        !           448:     my $icon=&Apache::loncommon::icon($url);
        !           449:     my $curfile='<a href="'.$url.'"><img src="'.$icon.
        !           450: 	'" border="0" />'.$uploadedfile.'</a>';
        !           451:     return &mt('Currently submitted: <tt>[_1]</tt>',$curfile);
        !           452: 
        !           453: }
        !           454: 
        !           455: sub show_past_portfile_submission {
        !           456:     my ($part,$id) = @_;
        !           457:     if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
        !           458: 	return;
        !           459:     }
        !           460:     my (@file_list,@bad_file_list);
        !           461:     foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
        !           462: 	my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
        !           463: 	my $url="/uploaded/$domain/$user/portfolio$file";
        !           464: 	my $icon=&Apache::loncommon::icon($url);
        !           465: 	push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
        !           466: 	     '" border="0" />'.$file.'</a>');
        !           467: 	if (! &Apache::lonnet::stat_file($url)) {
        !           468: 	    &Apache::lonnet::logthis("bad file is $url");
        !           469: 	    push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
        !           470: 		 '" border="0" />'.$file.'</a>');
        !           471: 	}
        !           472:     }
        !           473:     my $files = '<span class="LC_filename">'.
        !           474: 	join('</span>, <span class="LC_filename">',@file_list).
        !           475: 	'</span>';
        !           476:     my $result = &mt("Portfolio files previously selected: [_1]",$files);
        !           477:     if (@bad_file_list) {
        !           478: 	my $bad_files = '<span class="LC_filename">'.
        !           479: 	    join('</span>, <span class="LC_filename">',@bad_file_list).
        !           480: 	    '</span>';
        !           481: 	$result.='<br />'.&mt('<span class="LC_error">These file(s) don\'t exist:</span> [_1]',$bad_files);
        !           482:     }
        !           483:     return $result;
        !           484: 
        !           485: }
        !           486: 
1.136     albertel  487: sub checkstatus {
                    488:     my ($value,$awardref,$msgref)=@_;
                    489:     for (my $i=0;$i<=$#$awardref;$i++) {
                    490: 	if ($$awardref[$i] eq $value) {
                    491: 	    return ($$awardref[$i],$$msgref[$i]);
                    492: 	}
                    493:     }
                    494:     return(undef,undef);
                    495: }
                    496: 
1.179     albertel  497: sub valid_award {
                    498:     my ($award) =@_;
1.182     albertel  499:     foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
                    500: 			       'NO_RESPONSE',
1.179     albertel  501: 			       'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
                    502: 			       'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
                    503: 			       'UNIT_FAIL', 'NO_UNIT',
                    504: 			       'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
                    505: 			       'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', 
                    506: 			       'MISORDERED_RANK', 'INVALID_FILETYPE',
                    507: 			       'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    508: 			       'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
                    509: 	if ($award eq $possibleaward) { return 1; }
                    510:     }
                    511:     return 0;
                    512: }
                    513: 
1.9       albertel  514: sub finalizeawards {
1.181     albertel  515:     my ($awardref,$msgref,$nameref,$reverse)=@_;
1.136     albertel  516:     my $result=undef;
1.135     albertel  517:     my $award;
1.136     albertel  518:     my $msg;
                    519:     if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135     albertel  520:     if ($result eq '' ) {
                    521: 	my $blankcount;
1.136     albertel  522: 	foreach $award (@$awardref) {
1.135     albertel  523: 	    if ($award eq '') {
                    524: 		$result='MISSING_ANSWER';
                    525: 		$blankcount++;
                    526: 	    }
                    527: 	}
1.136     albertel  528: 	if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
1.135     albertel  529:     }
1.136     albertel  530:     if (defined($result)) { return ($result,$msg); }
1.181     albertel  531: 
                    532:     # these awards are ordered from most important error through best correct
                    533:     
1.182     albertel  534:     my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
                    535: 		  'TOO_LONG',
1.181     albertel  536: 		  'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
                    537: 		  'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
                    538: 		  'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
                    539: 		  'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
                    540: 		  'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    541: 		  'APPROX_ANS', 'EXACT_ANS');
                    542:     if ($reverse) { @awards=reverse(@awards); }
                    543:     foreach my $possibleaward (@awards) {
1.136     albertel  544: 	($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
                    545: 	if (defined($result)) { return ($result,$msg); }
1.135     albertel  546:     }
1.136     albertel  547:     return ('ERROR',undef);
1.9       albertel  548: }
                    549: 
1.10      albertel  550: sub decideoutput {
1.169     albertel  551:     my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
1.135     albertel  552:     my $message='';
                    553:     my $button=0;
                    554:     my $previousmsg;
                    555:     my $bgcolor='orange';
1.148     albertel  556:     my $added_computer_text=0;
1.135     albertel  557:     my %possiblecolors =
1.201     albertel  558: 	( 'correct'         => '#aaffaa',
                    559: 	  'charged_try'     => '#ffaaaa',
1.135     albertel  560: 	  'not_charged_try' => '#ffffaa',
1.201     albertel  561: 	  'no_grade'        => '#ffffaa',
                    562: 	  'no_message'      => '#ffffff',
1.135     albertel  563: 	  );
1.169     albertel  564: 
1.180     albertel  565:     my $part = $Apache::inputtags::part;
                    566:     my $handgrade = 
                    567: 	('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade")));
                    568:     
                    569:     my $computer = ($handgrade)? ''
1.203     www       570: 	                       : " ".&mt("Computer's answer now shown above.");
1.180     albertel  571:     &Apache::lonxml::debug("handgrade has :$handgrade:");
                    572: 
1.135     albertel  573:     if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
                    574:     
1.194     banghart  575:     if ($solved =~ /^correct/) {
                    576:         $bgcolor=$possiblecolors{'correct'};
1.170     albertel  577: 	$message=&mt('You are correct.');
                    578: 	if ($awarded < 1 && $awarded > 0) {
                    579: 	    $message=&mt('You are partially correct.');
                    580: 	    $bgcolor=$possiblecolors{'not_charged_try'};
                    581: 	} elsif ($awarded < 1) {
                    582: 	    $message=&mt('Incorrect.');
                    583: 	    $bgcolor=$possiblecolors{'charged_try'};
                    584: 	}
1.172     albertel  585: 	if ($env{'request.filename'} =~ 
                    586: 	    m|/res/lib/templates/examupload.problem$|) {
                    587: 	    $message = &mt("A score has been assigned.");
                    588: 	    $added_computer_text=1;
1.135     albertel  589: 	} else {
1.172     albertel  590: 	    if ($target eq 'tex') {
                    591: 		$message = '\textbf{'.$message.'}';
                    592: 	    } else {
                    593: 		$message = "<b>".$message."</b>";
1.180     albertel  594: 		$message.= $computer;
1.135     albertel  595: 	    }
1.172     albertel  596: 	    $added_computer_text=1;
1.165     albertel  597: 	    unless ($env{'course.'.
                    598: 			     $env{'request.course.id'}.
1.135     albertel  599: 			     '.disable_receipt_display'} eq 'yes') { 
                    600: 		$message.=(($target eq 'web')?'<br />':' ').
                    601: 		    &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
                    602: 		    (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
                    603: 	    }
                    604: 	}
                    605: 	$button=0;
                    606: 	$previousmsg='';
                    607:     } elsif ($solved =~ /^excused/) {
                    608: 	if ($target eq 'tex') {
                    609: 	    $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
                    610: 	} else {
                    611: 	    $message = "<b>".&mt('You are excused from the problem.')."</b>";
                    612: 	}
                    613: 	$bgcolor=$possiblecolors{'charged_try'};
                    614: 	$button=0;
                    615: 	$previousmsg='';
                    616:     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
                    617: 	if ($solved =~ /^incorrect/ || $solved eq '') {
1.144     albertel  618: 	    $message = &mt("Incorrect").".";
1.135     albertel  619: 	    $bgcolor=$possiblecolors{'charged_try'};
                    620: 	    $button=1;
                    621: 	} else {
1.144     albertel  622: 	    if ($target eq 'tex') {
                    623: 		$message = '\textbf{'.&mt('You are correct.').'}';
                    624: 	    } else {
                    625: 		$message = "<b>".&mt('You are correct.')."</b>";
1.180     albertel  626: 		$message.= $computer;
1.144     albertel  627: 	    }
1.148     albertel  628: 	    $added_computer_text=1;
1.165     albertel  629: 	    unless ($env{'course.'.
                    630: 			     $env{'request.course.id'}.
1.135     albertel  631: 			     '.disable_receipt_display'} eq 'yes') { 
                    632: 		$message.=(($target eq 'web')?'<br />':' ').
                    633: 		    'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
                    634: 		    (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
                    635: 	    }
                    636: 	    $bgcolor=$possiblecolors{'correct'};
                    637: 	    $button=0;
                    638: 	    $previousmsg='';
                    639: 	}
                    640:     } elsif ($award eq 'NO_RESPONSE') {
                    641: 	$message = '';
                    642: 	$bgcolor=$possiblecolors{'no_feedback'};
                    643: 	$button=1;
1.182     albertel  644:     } elsif ($award eq 'EXTRA_ANSWER') {
                    645: 	$message = &mt('Some extra items were submitted.');
                    646: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    647: 	$button = 1;
1.135     albertel  648:     } elsif ($award eq 'MISSING_ANSWER') {
                    649: 	$message = &mt('Some items were not submitted.');
                    650: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    651: 	$button = 1;
                    652:     } elsif ($award eq 'ERROR') {
                    653: 	$message = &mt('An error occured while grading your answer.');
                    654: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    655: 	$button = 1;
                    656:     } elsif ($award eq 'TOO_LONG') {
                    657: 	$message = &mt("The submitted answer was too long.");
                    658: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    659: 	$button=1;
                    660:     } elsif ($award eq 'WANTED_NUMERIC') {
                    661: 	$message = &mt("This question expects a numeric answer.");
                    662: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    663: 	$button=1;
                    664:     } elsif ($award eq 'MISORDERED_RANK') {
                    665: 	$message = &mt('You have provided an invalid ranking');
                    666: 	if ($target ne 'tex') {
1.159     albertel  667: 	    $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
1.135     albertel  668: 	}
                    669: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    670: 	$button=1;
                    671:     } elsif ($award eq 'INVALID_FILETYPE') {
1.166     albertel  672: 	$message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
1.135     albertel  673: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    674: 	$button=1;
                    675:     } elsif ($award eq 'SIG_FAIL') {
1.145     albertel  676: 	my ($used,$min,$max)=split(':',$awardmsg);
                    677: 	my $word;
                    678: 	if ($used < $min) { $word=&mt('more'); }
                    679: 	if ($used > $max) { $word=&mt('fewer'); }
                    680: 	$message = &mt("Submission not graded.  Use [_2] digits.",$used,$word);
1.135     albertel  681: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    682: 	$button=1;
1.137     albertel  683:     } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
                    684: 	$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
                    685: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
                    686: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    687: 	$button=1;
                    688:     } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155     albertel  689: 	$message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137     albertel  690: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
                    691: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    692: 	$button=1;
1.140     matthew   693:     } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155     albertel  694: 	$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136     albertel  695: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.135     albertel  696: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    697: 	$button=1;
                    698:     } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155     albertel  699: 	$message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.135     albertel  700: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    701: 	$button=1;
                    702:     } elsif ($award eq 'NO_UNIT') {
1.144     albertel  703: 	$message = &mt("Units required").'.';
1.135     albertel  704: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
                    705: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    706: 	$button=1;
1.153     albertel  707:     } elsif ($award eq 'COMMA_FAIL') {
                    708: 	$message = &mt("Proper comma separation is required").'.';
                    709: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    710: 	$button=1;
1.135     albertel  711:     } elsif ($award eq 'BAD_FORMULA') {
                    712: 	$message = &mt("Unable to understand formula");
                    713: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    714: 	$button=1;
                    715:     } elsif ($award eq 'INCORRECT') {
1.144     albertel  716: 	$message = &mt("Incorrect").'.';
1.135     albertel  717: 	$bgcolor=$possiblecolors{'charged_try'};
                    718: 	$button=1;
                    719:     } elsif ($award eq 'SUBMITTED') {
                    720: 	$message = &mt("Your submission has been recorded.");
1.201     albertel  721: 	$bgcolor=$possiblecolors{'no_grade'};
1.135     albertel  722: 	$button=1;
                    723:     } elsif ($award eq 'DRAFT') {
1.144     albertel  724: 	$message = &mt("A draft copy has been saved.");
1.135     albertel  725: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    726: 	$button=1;
                    727:     } elsif ($award eq 'ASSIGNED_SCORE') {
1.144     albertel  728: 	$message = &mt("A score has been assigned.");
1.135     albertel  729: 	$bgcolor=$possiblecolors{'correct'};
                    730: 	$button=0;
1.144     albertel  731:     } elsif ($award eq '') {
1.186     albertel  732: 	if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
                    733: 	    $message = &mt("Nothing submitted.");
                    734: 	    $bgcolor=$possiblecolors{'charged_try'};
                    735: 	} else {
                    736: 	    $bgcolor=$possiblecolors{'not_charged_try'};
                    737: 	}
1.144     albertel  738: 	$button=1;
1.135     albertel  739:     } else {
                    740: 	$message = &mt("Unknown message").": $award";
                    741: 	$button=1;
                    742:     }
1.194     banghart  743:     my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
                    744:     foreach my $resid(@Apache::inputtags::response){
                    745:         if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1.198     albertel  746: 	    $message.='<br />';
                    747: 	    my @files = split(/\s*,\s*/,
                    748: 			      $Apache::lonhomework::history{"resource.$part.$resid.handback"});
                    749: 	    my $file_msg;
                    750: 	    foreach my $file (@files) {
                    751: 		$file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
                    752: 	    }
                    753: 	    $message .= &mt('Returned file(s): [_1]',$file_msg);
                    754: 	}
1.194     banghart  755:     }
                    756: 
1.135     albertel  757:     if (lc($Apache::lonhomework::problemstatus) eq 'no'  && 
                    758: 	$Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
                    759: 	$message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1.201     albertel  760: 	$bgcolor=$possiblecolors{'no_grade'};
1.135     albertel  761: 	$button=1;
                    762:     }
1.148     albertel  763:     if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 
1.150     albertel  764: 	!$added_computer_text && $target ne 'tex') {
1.180     albertel  765: 	$message.= $computer;
1.148     albertel  766: 	$added_computer_text=1;
1.144     albertel  767:     }
1.135     albertel  768:     return ($button,$bgcolor,$message,$previousmsg);
1.12      albertel  769: }
                    770: 
1.155     albertel  771: sub markup_unit {
                    772:     my ($unit,$target)=@_;
                    773:     if ($target eq 'tex') {
                    774: 	return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 
                    775:     } else {
                    776: 	return "<tt>".$unit."</tt>";
                    777:     }
                    778: }
                    779: 
1.88      albertel  780: sub removealldata {
1.87      albertel  781:     my ($id)=@_;
                    782:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    783: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    784: 	    &Apache::lonxml::debug("Removing $key");
                    785: 	    delete($Apache::lonhomework::results{$key});
                    786: 	}
                    787:     }
                    788: }
                    789: 
1.142     albertel  790: sub hidealldata {
                    791:     my ($id)=@_;
                    792:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    793: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    794: 	    &Apache::lonxml::debug("Hidding $key");
                    795: 	    my $newkey=$key;
                    796: 	    $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
                    797: 	    $Apache::lonhomework::results{$newkey}=
                    798: 		$Apache::lonhomework::results{$key};
                    799: 	    delete($Apache::lonhomework::results{$key});
                    800: 	}
                    801:     }
                    802: }
                    803: 
1.12      albertel  804: sub setgradedata {
1.136     albertel  805:     my ($award,$msg,$id,$previously_used) = @_;
1.154     albertel  806:     if ($Apache::lonhomework::scantronmode && 
1.165     albertel  807: 	&Apache::lonnet::validCODE($env{'form.CODE'})) {
                    808: 	$Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154     albertel  809:     } elsif ($Apache::lonhomework::scantronmode && 
1.165     albertel  810: 	     $env{'form.CODE'} eq '' &&
1.154     albertel  811: 	     $Apache::lonhomework::history{"resource.CODE"} ne '') {
                    812: 	$Apache::lonhomework::results{"resource.CODE"}='';
1.141     albertel  813:     }
1.154     albertel  814: 
1.135     albertel  815:     if (!$Apache::lonhomework::scantronmode &&
                    816: 	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                    817: 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
                    818: 	$Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87      albertel  819: 	return '';
1.135     albertel  820:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
                    821: 	      /^correct/ || $Apache::lonhomework::scantronmode ||
                    822: 	      lc($Apache::lonhomework::problemstatus) eq 'no') {
1.154     albertel  823:         # the student doesn't already have it correct,
                    824: 	# or we are in a mode (scantron orno problem status) where a correct 
                    825:         # can become incorrect
                    826: 	# handle assignment of tries and solved status
1.135     albertel  827: 	my $solvemsg;
                    828: 	if ($Apache::lonhomework::scantronmode) {
                    829: 	    $solvemsg='correct_by_scantron';
                    830: 	} else {
                    831: 	    $solvemsg='correct_by_student';
                    832: 	}
                    833: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                    834: 	    $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
                    835: 	}
                    836: 	if ( $award eq 'ASSIGNED_SCORE') {
                    837: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    838: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    839: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    840: 		$solvemsg;
                    841: 	    my $numawards=scalar(@Apache::inputtags::response);
                    842: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    843: 	    foreach my $res (@Apache::inputtags::response) {
                    844: 		$Apache::lonhomework::results{"resource.$id.awarded"}+=
                    845: 		    $Apache::lonhomework::results{"resource.$id.$res.awarded"};
                    846: 	    }
                    847: 	    if ($numawards > 0) {
                    848: 		$Apache::lonhomework::results{"resource.$id.awarded"}/=
                    849: 		    $numawards;
                    850: 	    }
                    851: 	} elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
                    852: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    853: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    854: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    855: 		$solvemsg;
                    856: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
                    857: 	} elsif ( $award eq 'INCORRECT' ) {
                    858: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    859: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.152     albertel  860: 	    if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
                    861: 		$Apache::lonhomework::scantronmode) {
1.135     albertel  862: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    863: 	    }
                    864: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    865: 		'incorrect_attempted';
                    866: 	} elsif ( $award eq 'SUBMITTED' ) {
                    867: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    868: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    869: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    870: 		'ungraded_attempted';
                    871: 	} elsif ( $award eq 'DRAFT' ) {
                    872: 	    $Apache::lonhomework::results{"resource.$id.solved"} = '';
                    873: 	} elsif ( $award eq 'NO_RESPONSE' ) {
                    874: 	    #no real response so delete any data that got stored
1.129     albertel  875: 	    &removealldata($id);
                    876: 	    return '';
                    877: 	} else {
1.135     albertel  878: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    879: 		'incorrect_attempted';
1.152     albertel  880: 	    if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
                    881: 		$Apache::lonhomework::scantronmode) {
1.135     albertel  882: 		$Apache::lonhomework::results{"resource.$id.tries"} =
                    883: 		    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    884: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    885: 	    }
                    886: 	}
1.136     albertel  887: 	if (defined($msg)) {
                    888: 	    $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
                    889: 	}
1.135     albertel  890: 	# did either of the overall awards chage? If so ignore the 
                    891: 	# previous check
                    892: 	if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
                    893: 	     $Apache::lonhomework::history{"resource.$id.awarded"}) &&
                    894: 	    ($Apache::lonhomework::results{"resource.$id.solved"} eq
                    895: 	     $Apache::lonhomework::history{"resource.$id.solved"})) {
                    896: 	    # check if this was a previous submission if it was delete the
                    897: 	    # unneeded data and update the previously_used attribute
                    898: 	    if ( $previously_used eq 'PREVIOUSLY_USED') {
                    899: 		if (lc($Apache::lonhomework::problemstatus) ne 'no') {
                    900: 		    delete($Apache::lonhomework::results{"resource.$id.tries"});
                    901: 		    $Apache::lonhomework::results{"resource.$id.previous"} = '1';
                    902: 		}
                    903: 	    } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
                    904: 		#delete all data as they student didn't do anything, but save
                    905: 		#the list of collaborators.
                    906: 		&removealldata($id);
                    907: 		#and since they didn't do anything we were never here
                    908: 		return '';
                    909: 	    } else {
                    910: 		$Apache::lonhomework::results{"resource.$id.previous"} = '0';
                    911: 	    }
1.101     albertel  912: 	}
1.135     albertel  913:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
                    914: 	      /^correct/ ) {
                    915: 	#delete all data as they student already has it correct
                    916: 	&removealldata($id);
                    917: 	#and since they didn't do anything we were never here
                    918: 	return '';
1.40      albertel  919:     }
1.135     albertel  920:     $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.184     albertel  921:     if ($award eq 'SUBMITTED') {
                    922: 	&Apache::response::add_to_gradingqueue();
                    923:     }
1.10      albertel  924: }
                    925: 
1.9       albertel  926: sub grade {
1.135     albertel  927:     my ($target) = @_;
                    928:     my $id = $Apache::inputtags::part;
                    929:     my $response='';
1.165     albertel  930:     if ( defined $env{'form.submitted'}) {
1.136     albertel  931: 	my (@awards,@msgs);
1.135     albertel  932: 	foreach $response (@Apache::inputtags::response) {
                    933: 	    &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
                    934: 	    my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
                    935: 	    &Apache::lonxml::debug("keeping $value from $response for $id");
                    936: 	    push (@awards,$value);
1.136     albertel  937: 	    $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
                    938: 	    &Apache::lonxml::debug("got message $value from $response for $id");
                    939: 	    push (@msgs,$value);
1.135     albertel  940: 	}
1.136     albertel  941: 	my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
1.135     albertel  942: 	my $previously_used;
                    943: 	if ( $#Apache::inputtags::previous eq $#awards ) {
                    944: 	    my $match=0;
                    945: 	    my @matches;
                    946: 	    foreach my $versionar (@Apache::inputtags::previous_version) {
                    947: 		foreach my $version (@$versionar) {
                    948: 		    $matches[$version]++;
                    949: 		}
                    950: 	    }
                    951: 	    foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
                    952: 	    if ($match) {
                    953: 		$previously_used = 'PREVIOUSLY_LAST';
                    954: 		foreach my $value (@Apache::inputtags::previous) {
                    955: 		    if ($value eq 'PREVIOUSLY_USED' ) {
                    956: 			$previously_used = $value;
                    957: 			last;
                    958: 		    }
1.75      albertel  959: 		}
                    960: 	    }
1.43      albertel  961: 	}
1.136     albertel  962: 	&Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
                    963: 	&setgradedata($finalaward,$msg,$id,$previously_used);
1.43      albertel  964:     }
1.135     albertel  965:     return '';
1.1       albertel  966: }
                    967: 
1.11      albertel  968: sub gradestatus {
1.135     albertel  969:     my ($id,$target) = @_;
                    970:     my $showbutton = 1;
                    971:     my $bgcolor = '';
                    972:     my $message = '';
                    973:     my $latemessage = '';
                    974:     my $trystr='';
                    975:     my $button='';
                    976:     my $previousmsg='';
                    977: 
                    978:     my $status = $Apache::inputtags::status['-1'];
                    979:     &Apache::lonxml::debug("gradestatus has :$status:");
1.183     albertel  980:     if ( $status ne 'CLOSED' 
                    981: 	 && $status ne 'UNAVAILABLE' 
                    982: 	 && $status ne 'INVALID_ACCESS' 
                    983: 	 && $status ne 'NEEDS_CHECKIN' 
                    984: 	 && $status ne 'NOT_IN_A_SLOT') {  
1.135     albertel  985: 	my $award = $Apache::lonhomework::history{"resource.$id.award"};
1.169     albertel  986: 	my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"};
1.135     albertel  987: 	my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
                    988: 	my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
1.136     albertel  989: 	my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
                    990: 	&Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1.144     albertel  991: 	if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1.135     albertel  992: 	    &Apache::lonxml::debug('Getting message');
                    993: 	    ($showbutton,$bgcolor,$message,$previousmsg) =
1.169     albertel  994: 		&decideoutput($award,$awarded,$awardmsg,$solved,$previous,
                    995: 			      $target);
1.135     albertel  996: 	    if ($target eq 'tex') {
                    997: 		$message='\vskip 2 mm '.$message.' ';
                    998: 	    } else {
                    999: 		$message="<td bgcolor=\"$bgcolor\">$message</td>";
                   1000: 		if ($previousmsg) {
                   1001: 		    $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
                   1002: 		}
                   1003: 	    }
                   1004: 	}
                   1005: 	my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
                   1006: 	my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
                   1007: 	&Apache::lonxml::debug("got maxtries of :$maxtries:");
                   1008: 	#if tries are set to negative turn off the Tries/Button and messages
                   1009: 	if (defined($maxtries) && $maxtries < 0) { return ''; }
                   1010: 	if ( $tries eq '' ) { $tries = '0'; }
                   1011: 	if ( $maxtries eq '' ) { $maxtries = '2'; } 
                   1012: 	if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
                   1013: 	my $tries_text=&mt('Tries');
1.164     albertel 1014: 	if ( $Apache::lonhomework::type eq 'survey' ||
                   1015: 	     $Apache::lonhomework::parsing_a_task) {
                   1016: 	    $tries_text=&mt('Submissions');
                   1017: 	}
1.135     albertel 1018: 	if ( $showbutton ) {
                   1019: 	    if ($target eq 'tex') {
1.165     albertel 1020: 		if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') {
1.135     albertel 1021: 		    $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
                   1022: 		} else {
                   1023: 		    $trystr = '\vskip 0 mm ';
                   1024: 		}
                   1025: 	    } else {
1.136     albertel 1026: 		$trystr = "<td><nobr>".$tries_text." $tries";
1.164     albertel 1027: 		if ($Apache::lonhomework::parsing_a_task) {
1.165     albertel 1028: 		} elsif($env{'request.state'} ne 'construct') {
1.135     albertel 1029: 		    $trystr.="/$maxtries";
                   1030: 		} else {
                   1031: 		    if (defined($Apache::inputtags::params{'maxtries'})) {
                   1032: 			$trystr.="/".$Apache::inputtags::params{'maxtries'};
                   1033: 		    }
                   1034: 		}
1.136     albertel 1035: 		$trystr.="</nobr></td>";
1.135     albertel 1036: 	    }
                   1037: 	}
                   1038: 	if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
                   1039: 	if ( $showbutton ) { 
                   1040: 	    if ($target ne 'tex') {
1.156     albertel 1041: 		$button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
1.135     albertel 1042: 	    }
                   1043: 	}
                   1044: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                   1045: 	    #last submissions was after due date
1.163     albertel 1046: 	    $latemessage=&mt(' The last submission was after the Due Date ');;
                   1047: 	    if ($target eq 'web') {
                   1048: 		$latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1.135     albertel 1049: 	    }
                   1050: 	}
                   1051:     }
                   1052:     my $output= $previousmsg.$latemessage.$message.$trystr;
                   1053:     if ($output =~ /^\s*$/) {
                   1054: 	return $button;
1.63      sakharuk 1055:     } else {
1.135     albertel 1056: 	if ($target eq 'tex') {
                   1057: 	    return $button.' \vskip 0 mm '.$output.' ';
                   1058: 	} else {
                   1059: 	    return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
                   1060: 	}
1.63      sakharuk 1061:     }
1.11      albertel 1062: }
1.1       albertel 1063: 1;
                   1064: __END__
1.43      albertel 1065:  

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