Annotation of loncom/homework/inputtags.pm, revision 1.207

1.43      albertel    1: # The LearningOnline Network with CAPA
                      2: # input  definitons
1.47      albertel    3: #
1.207   ! albertel    4: # $Id: inputtags.pm,v 1.206 2006/09/29 20:55:33 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: 
1.179     albertel  487: sub valid_award {
                    488:     my ($award) =@_;
1.182     albertel  489:     foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
                    490: 			       'NO_RESPONSE',
1.179     albertel  491: 			       'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
                    492: 			       'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
                    493: 			       'UNIT_FAIL', 'NO_UNIT',
                    494: 			       'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
                    495: 			       'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', 
                    496: 			       'MISORDERED_RANK', 'INVALID_FILETYPE',
                    497: 			       'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
                    498: 			       'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
                    499: 	if ($award eq $possibleaward) { return 1; }
                    500:     }
                    501:     return 0;
                    502: }
                    503: 
1.207   ! albertel  504: {
        !           505:     my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
        !           506: 		  'TOO_LONG',
        !           507: 		  'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
        !           508: 		  'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
        !           509: 		  'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
        !           510: 		  'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
        !           511: 		  'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
        !           512: 		  'APPROX_ANS', 'EXACT_ANS');
        !           513:     my $i=0;
        !           514:     my %fwd_awards = map { ($_,$i++) } @awards;
        !           515:     my $max=scalar(@awards);
        !           516:     @awards=reverse(@awards);
        !           517:     my $i=0;
        !           518:     my %rev_awards = map { ($_,$i++) } @awards;
        !           519: 
1.9       albertel  520: sub finalizeawards {
1.181     albertel  521:     my ($awardref,$msgref,$nameref,$reverse)=@_;
1.207   ! albertel  522:     my $result;
1.136     albertel  523:     if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135     albertel  524:     if ($result eq '' ) {
                    525: 	my $blankcount;
1.207   ! albertel  526: 	foreach my $award (@$awardref) {
1.135     albertel  527: 	    if ($award eq '') {
                    528: 		$result='MISSING_ANSWER';
                    529: 		$blankcount++;
                    530: 	    }
                    531: 	}
1.136     albertel  532: 	if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
1.135     albertel  533:     }
1.207   ! albertel  534:     if (defined($result)) { return ($result); }
1.181     albertel  535: 
                    536:     # these awards are ordered from most important error through best correct
1.207   ! albertel  537:     my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
        !           538: 
        !           539:     my $best = $max;
        !           540:     my $j=0;
        !           541:     my $which;
        !           542:     foreach my $award (@$awardref) {
        !           543: 	if ($awards->{$award} < $best) {
        !           544: 	    $best  = $awards->{$award};
        !           545: 	    $which = $j;
        !           546: 	}
        !           547: 	$j++;
        !           548:     }
        !           549:     if (defined($which)) {
        !           550: 	if (ref($nameref)) {
        !           551: 	    return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
        !           552: 	} else {
        !           553: 	    return ($$awardref[$which],$$msgref[$which]);
        !           554: 	}
1.135     albertel  555:     }
1.136     albertel  556:     return ('ERROR',undef);
1.9       albertel  557: }
1.207   ! albertel  558: }
1.9       albertel  559: 
1.10      albertel  560: sub decideoutput {
1.169     albertel  561:     my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
1.135     albertel  562:     my $message='';
                    563:     my $button=0;
                    564:     my $previousmsg;
                    565:     my $bgcolor='orange';
1.148     albertel  566:     my $added_computer_text=0;
1.135     albertel  567:     my %possiblecolors =
1.201     albertel  568: 	( 'correct'         => '#aaffaa',
                    569: 	  'charged_try'     => '#ffaaaa',
1.135     albertel  570: 	  'not_charged_try' => '#ffffaa',
1.201     albertel  571: 	  'no_grade'        => '#ffffaa',
                    572: 	  'no_message'      => '#ffffff',
1.135     albertel  573: 	  );
1.169     albertel  574: 
1.180     albertel  575:     my $part = $Apache::inputtags::part;
                    576:     my $handgrade = 
                    577: 	('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade")));
                    578:     
                    579:     my $computer = ($handgrade)? ''
1.203     www       580: 	                       : " ".&mt("Computer's answer now shown above.");
1.180     albertel  581:     &Apache::lonxml::debug("handgrade has :$handgrade:");
                    582: 
1.135     albertel  583:     if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
                    584:     
1.194     banghart  585:     if ($solved =~ /^correct/) {
                    586:         $bgcolor=$possiblecolors{'correct'};
1.170     albertel  587: 	$message=&mt('You are correct.');
                    588: 	if ($awarded < 1 && $awarded > 0) {
                    589: 	    $message=&mt('You are partially correct.');
                    590: 	    $bgcolor=$possiblecolors{'not_charged_try'};
                    591: 	} elsif ($awarded < 1) {
                    592: 	    $message=&mt('Incorrect.');
                    593: 	    $bgcolor=$possiblecolors{'charged_try'};
                    594: 	}
1.172     albertel  595: 	if ($env{'request.filename'} =~ 
                    596: 	    m|/res/lib/templates/examupload.problem$|) {
                    597: 	    $message = &mt("A score has been assigned.");
                    598: 	    $added_computer_text=1;
1.135     albertel  599: 	} else {
1.172     albertel  600: 	    if ($target eq 'tex') {
                    601: 		$message = '\textbf{'.$message.'}';
                    602: 	    } else {
                    603: 		$message = "<b>".$message."</b>";
1.180     albertel  604: 		$message.= $computer;
1.135     albertel  605: 	    }
1.172     albertel  606: 	    $added_computer_text=1;
1.165     albertel  607: 	    unless ($env{'course.'.
                    608: 			     $env{'request.course.id'}.
1.135     albertel  609: 			     '.disable_receipt_display'} eq 'yes') { 
                    610: 		$message.=(($target eq 'web')?'<br />':' ').
                    611: 		    &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
                    612: 		    (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
                    613: 	    }
                    614: 	}
                    615: 	$button=0;
                    616: 	$previousmsg='';
                    617:     } elsif ($solved =~ /^excused/) {
                    618: 	if ($target eq 'tex') {
                    619: 	    $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
                    620: 	} else {
                    621: 	    $message = "<b>".&mt('You are excused from the problem.')."</b>";
                    622: 	}
                    623: 	$bgcolor=$possiblecolors{'charged_try'};
                    624: 	$button=0;
                    625: 	$previousmsg='';
                    626:     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
                    627: 	if ($solved =~ /^incorrect/ || $solved eq '') {
1.144     albertel  628: 	    $message = &mt("Incorrect").".";
1.135     albertel  629: 	    $bgcolor=$possiblecolors{'charged_try'};
                    630: 	    $button=1;
                    631: 	} else {
1.144     albertel  632: 	    if ($target eq 'tex') {
                    633: 		$message = '\textbf{'.&mt('You are correct.').'}';
                    634: 	    } else {
                    635: 		$message = "<b>".&mt('You are correct.')."</b>";
1.180     albertel  636: 		$message.= $computer;
1.144     albertel  637: 	    }
1.148     albertel  638: 	    $added_computer_text=1;
1.165     albertel  639: 	    unless ($env{'course.'.
                    640: 			     $env{'request.course.id'}.
1.135     albertel  641: 			     '.disable_receipt_display'} eq 'yes') { 
                    642: 		$message.=(($target eq 'web')?'<br />':' ').
                    643: 		    'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
                    644: 		    (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
                    645: 	    }
                    646: 	    $bgcolor=$possiblecolors{'correct'};
                    647: 	    $button=0;
                    648: 	    $previousmsg='';
                    649: 	}
                    650:     } elsif ($award eq 'NO_RESPONSE') {
                    651: 	$message = '';
                    652: 	$bgcolor=$possiblecolors{'no_feedback'};
                    653: 	$button=1;
1.182     albertel  654:     } elsif ($award eq 'EXTRA_ANSWER') {
                    655: 	$message = &mt('Some extra items were submitted.');
                    656: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    657: 	$button = 1;
1.135     albertel  658:     } elsif ($award eq 'MISSING_ANSWER') {
                    659: 	$message = &mt('Some items were not submitted.');
                    660: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    661: 	$button = 1;
                    662:     } elsif ($award eq 'ERROR') {
                    663: 	$message = &mt('An error occured while grading your answer.');
                    664: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    665: 	$button = 1;
                    666:     } elsif ($award eq 'TOO_LONG') {
                    667: 	$message = &mt("The submitted answer was too long.");
                    668: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    669: 	$button=1;
                    670:     } elsif ($award eq 'WANTED_NUMERIC') {
                    671: 	$message = &mt("This question expects a numeric answer.");
                    672: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    673: 	$button=1;
                    674:     } elsif ($award eq 'MISORDERED_RANK') {
                    675: 	$message = &mt('You have provided an invalid ranking');
                    676: 	if ($target ne 'tex') {
1.159     albertel  677: 	    $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
1.135     albertel  678: 	}
                    679: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    680: 	$button=1;
                    681:     } elsif ($award eq 'INVALID_FILETYPE') {
1.166     albertel  682: 	$message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
1.135     albertel  683: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    684: 	$button=1;
                    685:     } elsif ($award eq 'SIG_FAIL') {
1.145     albertel  686: 	my ($used,$min,$max)=split(':',$awardmsg);
                    687: 	my $word;
                    688: 	if ($used < $min) { $word=&mt('more'); }
                    689: 	if ($used > $max) { $word=&mt('fewer'); }
                    690: 	$message = &mt("Submission not graded.  Use [_2] digits.",$used,$word);
1.135     albertel  691: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    692: 	$button=1;
1.137     albertel  693:     } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
                    694: 	$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
                    695: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
                    696: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    697: 	$button=1;
                    698:     } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155     albertel  699: 	$message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137     albertel  700: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
                    701: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    702: 	$button=1;
1.140     matthew   703:     } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155     albertel  704: 	$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136     albertel  705: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
1.135     albertel  706: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    707: 	$button=1;
                    708:     } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155     albertel  709: 	$message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.135     albertel  710: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    711: 	$button=1;
                    712:     } elsif ($award eq 'NO_UNIT') {
1.144     albertel  713: 	$message = &mt("Units required").'.';
1.135     albertel  714: 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
                    715: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    716: 	$button=1;
1.153     albertel  717:     } elsif ($award eq 'COMMA_FAIL') {
                    718: 	$message = &mt("Proper comma separation is required").'.';
                    719: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    720: 	$button=1;
1.135     albertel  721:     } elsif ($award eq 'BAD_FORMULA') {
                    722: 	$message = &mt("Unable to understand formula");
                    723: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    724: 	$button=1;
                    725:     } elsif ($award eq 'INCORRECT') {
1.144     albertel  726: 	$message = &mt("Incorrect").'.';
1.135     albertel  727: 	$bgcolor=$possiblecolors{'charged_try'};
                    728: 	$button=1;
                    729:     } elsif ($award eq 'SUBMITTED') {
                    730: 	$message = &mt("Your submission has been recorded.");
1.201     albertel  731: 	$bgcolor=$possiblecolors{'no_grade'};
1.135     albertel  732: 	$button=1;
                    733:     } elsif ($award eq 'DRAFT') {
1.144     albertel  734: 	$message = &mt("A draft copy has been saved.");
1.135     albertel  735: 	$bgcolor=$possiblecolors{'not_charged_try'};
                    736: 	$button=1;
                    737:     } elsif ($award eq 'ASSIGNED_SCORE') {
1.144     albertel  738: 	$message = &mt("A score has been assigned.");
1.135     albertel  739: 	$bgcolor=$possiblecolors{'correct'};
                    740: 	$button=0;
1.144     albertel  741:     } elsif ($award eq '') {
1.186     albertel  742: 	if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
                    743: 	    $message = &mt("Nothing submitted.");
                    744: 	    $bgcolor=$possiblecolors{'charged_try'};
                    745: 	} else {
                    746: 	    $bgcolor=$possiblecolors{'not_charged_try'};
                    747: 	}
1.144     albertel  748: 	$button=1;
1.135     albertel  749:     } else {
                    750: 	$message = &mt("Unknown message").": $award";
                    751: 	$button=1;
                    752:     }
1.194     banghart  753:     my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
                    754:     foreach my $resid(@Apache::inputtags::response){
                    755:         if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1.198     albertel  756: 	    $message.='<br />';
                    757: 	    my @files = split(/\s*,\s*/,
                    758: 			      $Apache::lonhomework::history{"resource.$part.$resid.handback"});
                    759: 	    my $file_msg;
                    760: 	    foreach my $file (@files) {
                    761: 		$file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
                    762: 	    }
                    763: 	    $message .= &mt('Returned file(s): [_1]',$file_msg);
                    764: 	}
1.194     banghart  765:     }
                    766: 
1.135     albertel  767:     if (lc($Apache::lonhomework::problemstatus) eq 'no'  && 
                    768: 	$Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
                    769: 	$message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1.201     albertel  770: 	$bgcolor=$possiblecolors{'no_grade'};
1.135     albertel  771: 	$button=1;
                    772:     }
1.148     albertel  773:     if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && 
1.150     albertel  774: 	!$added_computer_text && $target ne 'tex') {
1.180     albertel  775: 	$message.= $computer;
1.148     albertel  776: 	$added_computer_text=1;
1.144     albertel  777:     }
1.135     albertel  778:     return ($button,$bgcolor,$message,$previousmsg);
1.12      albertel  779: }
                    780: 
1.155     albertel  781: sub markup_unit {
                    782:     my ($unit,$target)=@_;
                    783:     if ($target eq 'tex') {
                    784: 	return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}'; 
                    785:     } else {
                    786: 	return "<tt>".$unit."</tt>";
                    787:     }
                    788: }
                    789: 
1.88      albertel  790: sub removealldata {
1.87      albertel  791:     my ($id)=@_;
                    792:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    793: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    794: 	    &Apache::lonxml::debug("Removing $key");
                    795: 	    delete($Apache::lonhomework::results{$key});
                    796: 	}
                    797:     }
                    798: }
                    799: 
1.142     albertel  800: sub hidealldata {
                    801:     my ($id)=@_;
                    802:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    803: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    804: 	    &Apache::lonxml::debug("Hidding $key");
                    805: 	    my $newkey=$key;
                    806: 	    $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
                    807: 	    $Apache::lonhomework::results{$newkey}=
                    808: 		$Apache::lonhomework::results{$key};
                    809: 	    delete($Apache::lonhomework::results{$key});
                    810: 	}
                    811:     }
                    812: }
                    813: 
1.12      albertel  814: sub setgradedata {
1.136     albertel  815:     my ($award,$msg,$id,$previously_used) = @_;
1.154     albertel  816:     if ($Apache::lonhomework::scantronmode && 
1.165     albertel  817: 	&Apache::lonnet::validCODE($env{'form.CODE'})) {
                    818: 	$Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154     albertel  819:     } elsif ($Apache::lonhomework::scantronmode && 
1.165     albertel  820: 	     $env{'form.CODE'} eq '' &&
1.154     albertel  821: 	     $Apache::lonhomework::history{"resource.CODE"} ne '') {
                    822: 	$Apache::lonhomework::results{"resource.CODE"}='';
1.141     albertel  823:     }
1.154     albertel  824: 
1.135     albertel  825:     if (!$Apache::lonhomework::scantronmode &&
                    826: 	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                    827: 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
                    828: 	$Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87      albertel  829: 	return '';
1.135     albertel  830:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
                    831: 	      /^correct/ || $Apache::lonhomework::scantronmode ||
                    832: 	      lc($Apache::lonhomework::problemstatus) eq 'no') {
1.154     albertel  833:         # the student doesn't already have it correct,
                    834: 	# or we are in a mode (scantron orno problem status) where a correct 
                    835:         # can become incorrect
                    836: 	# handle assignment of tries and solved status
1.135     albertel  837: 	my $solvemsg;
                    838: 	if ($Apache::lonhomework::scantronmode) {
                    839: 	    $solvemsg='correct_by_scantron';
                    840: 	} else {
                    841: 	    $solvemsg='correct_by_student';
                    842: 	}
                    843: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                    844: 	    $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
                    845: 	}
                    846: 	if ( $award eq 'ASSIGNED_SCORE') {
                    847: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    848: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    849: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    850: 		$solvemsg;
                    851: 	    my $numawards=scalar(@Apache::inputtags::response);
                    852: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    853: 	    foreach my $res (@Apache::inputtags::response) {
                    854: 		$Apache::lonhomework::results{"resource.$id.awarded"}+=
                    855: 		    $Apache::lonhomework::results{"resource.$id.$res.awarded"};
                    856: 	    }
                    857: 	    if ($numawards > 0) {
                    858: 		$Apache::lonhomework::results{"resource.$id.awarded"}/=
                    859: 		    $numawards;
                    860: 	    }
                    861: 	} elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
                    862: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    863: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    864: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    865: 		$solvemsg;
                    866: 	    $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
                    867: 	} elsif ( $award eq 'INCORRECT' ) {
                    868: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    869: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.152     albertel  870: 	    if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
                    871: 		$Apache::lonhomework::scantronmode) {
1.135     albertel  872: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    873: 	    }
                    874: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    875: 		'incorrect_attempted';
                    876: 	} elsif ( $award eq 'SUBMITTED' ) {
                    877: 	    $Apache::lonhomework::results{"resource.$id.tries"} =
                    878: 		$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    879: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    880: 		'ungraded_attempted';
                    881: 	} elsif ( $award eq 'DRAFT' ) {
                    882: 	    $Apache::lonhomework::results{"resource.$id.solved"} = '';
                    883: 	} elsif ( $award eq 'NO_RESPONSE' ) {
                    884: 	    #no real response so delete any data that got stored
1.129     albertel  885: 	    &removealldata($id);
                    886: 	    return '';
                    887: 	} else {
1.135     albertel  888: 	    $Apache::lonhomework::results{"resource.$id.solved"} =
                    889: 		'incorrect_attempted';
1.152     albertel  890: 	    if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
                    891: 		$Apache::lonhomework::scantronmode) {
1.135     albertel  892: 		$Apache::lonhomework::results{"resource.$id.tries"} =
                    893: 		    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    894: 		$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
                    895: 	    }
                    896: 	}
1.136     albertel  897: 	if (defined($msg)) {
                    898: 	    $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
                    899: 	}
1.135     albertel  900: 	# did either of the overall awards chage? If so ignore the 
                    901: 	# previous check
                    902: 	if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
                    903: 	     $Apache::lonhomework::history{"resource.$id.awarded"}) &&
                    904: 	    ($Apache::lonhomework::results{"resource.$id.solved"} eq
                    905: 	     $Apache::lonhomework::history{"resource.$id.solved"})) {
                    906: 	    # check if this was a previous submission if it was delete the
                    907: 	    # unneeded data and update the previously_used attribute
                    908: 	    if ( $previously_used eq 'PREVIOUSLY_USED') {
                    909: 		if (lc($Apache::lonhomework::problemstatus) ne 'no') {
                    910: 		    delete($Apache::lonhomework::results{"resource.$id.tries"});
                    911: 		    $Apache::lonhomework::results{"resource.$id.previous"} = '1';
                    912: 		}
                    913: 	    } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
                    914: 		#delete all data as they student didn't do anything, but save
                    915: 		#the list of collaborators.
                    916: 		&removealldata($id);
                    917: 		#and since they didn't do anything we were never here
                    918: 		return '';
                    919: 	    } else {
                    920: 		$Apache::lonhomework::results{"resource.$id.previous"} = '0';
                    921: 	    }
1.101     albertel  922: 	}
1.135     albertel  923:     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
                    924: 	      /^correct/ ) {
                    925: 	#delete all data as they student already has it correct
                    926: 	&removealldata($id);
                    927: 	#and since they didn't do anything we were never here
                    928: 	return '';
1.40      albertel  929:     }
1.135     albertel  930:     $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.184     albertel  931:     if ($award eq 'SUBMITTED') {
                    932: 	&Apache::response::add_to_gradingqueue();
                    933:     }
1.10      albertel  934: }
                    935: 
1.9       albertel  936: sub grade {
1.135     albertel  937:     my ($target) = @_;
                    938:     my $id = $Apache::inputtags::part;
                    939:     my $response='';
1.165     albertel  940:     if ( defined $env{'form.submitted'}) {
1.136     albertel  941: 	my (@awards,@msgs);
1.135     albertel  942: 	foreach $response (@Apache::inputtags::response) {
                    943: 	    &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
                    944: 	    my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
                    945: 	    &Apache::lonxml::debug("keeping $value from $response for $id");
                    946: 	    push (@awards,$value);
1.136     albertel  947: 	    $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
                    948: 	    &Apache::lonxml::debug("got message $value from $response for $id");
                    949: 	    push (@msgs,$value);
1.135     albertel  950: 	}
1.136     albertel  951: 	my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
1.135     albertel  952: 	my $previously_used;
                    953: 	if ( $#Apache::inputtags::previous eq $#awards ) {
                    954: 	    my $match=0;
                    955: 	    my @matches;
                    956: 	    foreach my $versionar (@Apache::inputtags::previous_version) {
                    957: 		foreach my $version (@$versionar) {
                    958: 		    $matches[$version]++;
                    959: 		}
                    960: 	    }
                    961: 	    foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
                    962: 	    if ($match) {
                    963: 		$previously_used = 'PREVIOUSLY_LAST';
                    964: 		foreach my $value (@Apache::inputtags::previous) {
                    965: 		    if ($value eq 'PREVIOUSLY_USED' ) {
                    966: 			$previously_used = $value;
                    967: 			last;
                    968: 		    }
1.75      albertel  969: 		}
                    970: 	    }
1.43      albertel  971: 	}
1.136     albertel  972: 	&Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
                    973: 	&setgradedata($finalaward,$msg,$id,$previously_used);
1.43      albertel  974:     }
1.135     albertel  975:     return '';
1.1       albertel  976: }
                    977: 
1.11      albertel  978: sub gradestatus {
1.135     albertel  979:     my ($id,$target) = @_;
                    980:     my $showbutton = 1;
                    981:     my $bgcolor = '';
                    982:     my $message = '';
                    983:     my $latemessage = '';
                    984:     my $trystr='';
                    985:     my $button='';
                    986:     my $previousmsg='';
                    987: 
                    988:     my $status = $Apache::inputtags::status['-1'];
                    989:     &Apache::lonxml::debug("gradestatus has :$status:");
1.183     albertel  990:     if ( $status ne 'CLOSED' 
                    991: 	 && $status ne 'UNAVAILABLE' 
                    992: 	 && $status ne 'INVALID_ACCESS' 
                    993: 	 && $status ne 'NEEDS_CHECKIN' 
                    994: 	 && $status ne 'NOT_IN_A_SLOT') {  
1.135     albertel  995: 	my $award = $Apache::lonhomework::history{"resource.$id.award"};
1.169     albertel  996: 	my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"};
1.135     albertel  997: 	my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
                    998: 	my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
1.136     albertel  999: 	my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
                   1000: 	&Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1.144     albertel 1001: 	if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1.135     albertel 1002: 	    &Apache::lonxml::debug('Getting message');
                   1003: 	    ($showbutton,$bgcolor,$message,$previousmsg) =
1.169     albertel 1004: 		&decideoutput($award,$awarded,$awardmsg,$solved,$previous,
                   1005: 			      $target);
1.135     albertel 1006: 	    if ($target eq 'tex') {
                   1007: 		$message='\vskip 2 mm '.$message.' ';
                   1008: 	    } else {
                   1009: 		$message="<td bgcolor=\"$bgcolor\">$message</td>";
                   1010: 		if ($previousmsg) {
                   1011: 		    $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
                   1012: 		}
                   1013: 	    }
                   1014: 	}
                   1015: 	my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
                   1016: 	my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
                   1017: 	&Apache::lonxml::debug("got maxtries of :$maxtries:");
                   1018: 	#if tries are set to negative turn off the Tries/Button and messages
                   1019: 	if (defined($maxtries) && $maxtries < 0) { return ''; }
                   1020: 	if ( $tries eq '' ) { $tries = '0'; }
                   1021: 	if ( $maxtries eq '' ) { $maxtries = '2'; } 
                   1022: 	if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
                   1023: 	my $tries_text=&mt('Tries');
1.164     albertel 1024: 	if ( $Apache::lonhomework::type eq 'survey' ||
                   1025: 	     $Apache::lonhomework::parsing_a_task) {
                   1026: 	    $tries_text=&mt('Submissions');
                   1027: 	}
1.135     albertel 1028: 	if ( $showbutton ) {
                   1029: 	    if ($target eq 'tex') {
1.165     albertel 1030: 		if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') {
1.135     albertel 1031: 		    $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
                   1032: 		} else {
                   1033: 		    $trystr = '\vskip 0 mm ';
                   1034: 		}
                   1035: 	    } else {
1.136     albertel 1036: 		$trystr = "<td><nobr>".$tries_text." $tries";
1.164     albertel 1037: 		if ($Apache::lonhomework::parsing_a_task) {
1.165     albertel 1038: 		} elsif($env{'request.state'} ne 'construct') {
1.135     albertel 1039: 		    $trystr.="/$maxtries";
                   1040: 		} else {
                   1041: 		    if (defined($Apache::inputtags::params{'maxtries'})) {
                   1042: 			$trystr.="/".$Apache::inputtags::params{'maxtries'};
                   1043: 		    }
                   1044: 		}
1.136     albertel 1045: 		$trystr.="</nobr></td>";
1.135     albertel 1046: 	    }
                   1047: 	}
                   1048: 	if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
                   1049: 	if ( $showbutton ) { 
                   1050: 	    if ($target ne 'tex') {
1.156     albertel 1051: 		$button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
1.135     albertel 1052: 	    }
                   1053: 	}
                   1054: 	if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                   1055: 	    #last submissions was after due date
1.163     albertel 1056: 	    $latemessage=&mt(' The last submission was after the Due Date ');;
                   1057: 	    if ($target eq 'web') {
                   1058: 		$latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1.135     albertel 1059: 	    }
                   1060: 	}
                   1061:     }
                   1062:     my $output= $previousmsg.$latemessage.$message.$trystr;
                   1063:     if ($output =~ /^\s*$/) {
                   1064: 	return $button;
1.63      sakharuk 1065:     } else {
1.135     albertel 1066: 	if ($target eq 'tex') {
                   1067: 	    return $button.' \vskip 0 mm '.$output.' ';
                   1068: 	} else {
                   1069: 	    return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
                   1070: 	}
1.63      sakharuk 1071:     }
1.11      albertel 1072: }
1.1       albertel 1073: 1;
                   1074: __END__
1.43      albertel 1075:  

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