Annotation of loncom/interface/lonquickgrades.pm, revision 1.49.6.1

1.1       bowersj2    1: # The LearningOnline Network with CAPA
                      2: # Quick Student Grades Display
                      3: #
1.49.6.1! raeburn     4: # $Id: lonquickgrades.pm,v 1.49 2009/11/21 18:07:03 www Exp $
1.1       bowersj2    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/
                     27: #
                     28: 
                     29: package Apache::lonquickgrades;
                     30: 
                     31: use strict;
1.49.6.1! raeburn    32: use Apache::Constants qw(:common :http REDIRECT);
1.5       bowersj2   33: use POSIX;
1.25      www        34: use Apache::loncommon;
                     35: use Apache::lonlocal;
1.36      albertel   36: use Apache::lonnet;
1.38      bowersj2   37: use Apache::grades;
1.1       bowersj2   38: 
                     39: sub handler {
                     40:     my $r = shift;
1.5       bowersj2   41:     return real_handler($r);
                     42: }
                     43: 
                     44: sub real_handler {
                     45:     my $r = shift;
1.1       bowersj2   46: 
1.49.6.1! raeburn    47:     # Check for critical messages and redirect if present.
        !            48:     my ($redirect,$url) = &Apache::loncommon::critical_redirect(300);
        !            49:     if ($redirect) {
        !            50:         &Apache::loncommon::content_type($r,'text/html');
        !            51:         $r->header_out(Location => $url);
        !            52:         return REDIRECT;
        !            53:     }
        !            54: 
1.1       bowersj2   55:     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                     56: 
                     57:     # Handle header-only request
1.40      albertel   58:     if ($env{'browser.mathml'}) {
                     59: 	&Apache::loncommon::content_type($r,'text/xml');
                     60:     } else {
                     61: 	&Apache::loncommon::content_type($r,'text/html');
                     62:     }
1.1       bowersj2   63:     if ($r->header_only) {
1.40      albertel   64: 	$r->send_http_header;
1.1       bowersj2   65:         return OK;
                     66:     }
                     67: 
                     68:     # Send header, don't cache this page
                     69:     &Apache::loncommon::no_cache($r);
                     70:     $r->send_http_header;
                     71: 
1.22      matthew    72:     my $showPoints = 
1.36      albertel   73:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
1.29      albertel   74:     my $notshowSPRSlink = 
1.49      www        75:         (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
                     76:       || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
                     77:     my $notshowTotals=
                     78:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
1.17      bowersj2   79: 
1.1       bowersj2   80:     # Create the nav map
1.24      bowersj2   81:     my $navmap = Apache::lonnavmaps::navmap->new();
1.1       bowersj2   82: 
1.7       bowersj2   83:     if (!defined($navmap)) {
                     84:         my $requrl = $r->uri;
1.36      albertel   85:         $env{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";
1.7       bowersj2   86:         return HTTP_NOT_ACCEPTABLE;
                     87:     }
                     88: 
1.4       bowersj2   89:     # Keep this hash in sync with %statusIconMap in lonnavmaps; they
                     90:     # should match color/icon
                     91:     my $res = $navmap->firstResource(); # temp resource to access constants
1.1       bowersj2   92:  
                     93:     # Header
1.47      schafran   94:     my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
1.46      raeburn    95:     my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
                     96:     $r->print(&Apache::loncommon::start_page($title,undef,
                     97:                                             {'bread_crumbs' => $brcrum})
                     98:              );
1.1       bowersj2   99: 
1.29      albertel  100:     if (!$showPoints && !$notshowSPRSlink ) {
1.43      bisitz    101:         $r->print('<p>'
                    102:                  .&mt('This screen shows how many problems (or problem parts) you have completed'
                    103:                      .', and how many you have not yet done.'
                    104:                      .' You can also look at [_1]a detailed score sheet[_2].'
                    105:                      ,'<a href="/adm/studentcalc">','</a>')
                    106:                  .'</p>');
1.17      bowersj2  107:     }
                    108: 
1.43      bisitz    109:     $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
1.17      bowersj2  110: 
                    111:     $r->rflush();
1.2       bowersj2  112: 
1.1       bowersj2  113:     # End navmap using boilerplate
                    114: 
                    115:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
                    116:     my $depth = 1;
                    117:     $iterator->next(); # ignore first BEGIN_MAP
                    118:     my $curRes = $iterator->next();
1.4       bowersj2  119:     
1.5       bowersj2  120:     # General overview of the following: Walk along the course resources.
                    121:     # For every problem in the resource, tell its parent maps how many
                    122:     # parts and how many parts correct it has. After that, each map will
                    123:     # have a count of the total parts underneath it, correct and otherwise.
                    124:     # After that, we will walk through the course again and read off
                    125:     # maps in order, with their data. 
                    126:     # (If in the future people decide not to be cumulative, only add
                    127:     #  the counts to the parent map.)
1.17      bowersj2  128:     # For convenience, "totalParts" is also "totalPoints" when we're looking
                    129:     #  at points; I can't come up with a variable name that makes sense
                    130:     #  equally for both cases.
1.5       bowersj2  131: 
                    132:     my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
1.28      bowersj2  133:     my $totalAttempted = 0;
1.14      bowersj2  134:     my $now = time();
1.28      bowersj2  135:     my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
1.5       bowersj2  136: 
                    137:     # Pre-run: Count parts correct
1.1       bowersj2  138:     while ( $depth > 0 ) {
                    139:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
                    140:         if ($curRes == $iterator->END_MAP()) { $depth--; }
                    141: 
1.7       bowersj2  142:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
1.5       bowersj2  143:         {
                    144:             # Get number of correct, incorrect parts
                    145:             my $parts = $curRes->parts();
                    146:             my $partsRight = 0;
1.17      bowersj2  147: 	    my $partsCount = 0;
1.28      bowersj2  148: 	    my $partsAttempted = 0;
1.5       bowersj2  149:             my $stack = $iterator->getStack();
                    150:             
                    151:             for my $part (@{$parts}) {
1.28      bowersj2  152: 		my $completionStatus = $curRes->getCompletionStatus($part);
                    153: 		my $dateStatus = $curRes->getDateStatus($part);
                    154: 		
                    155:                 if ($completionStatus == $curRes->EXCUSED()) {
1.21      matthew   156:                     next;
                    157:                 }
1.17      bowersj2  158: 		if ($showPoints) {
1.28      bowersj2  159: 		    my $score = 0;
                    160: 		    # If we're not telling status and the answer date isn't passed yet, 
                    161: 		    # it's an "attempted" point
1.42      raeburn   162: 		    if ((($curRes->problemstatus($part) eq 'no') ||
                    163:                         ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
1.28      bowersj2  164: 			($dateStatus != $curRes->ANSWER_OPEN)) {
1.31      albertel  165: 			my $status = $curRes->simpleStatus($part);
                    166: 			if ($status == $curRes->ATTEMPTED) {
                    167: 			    $partsAttempted += $curRes->weight($part);
                    168: 			    $totalAttempted += $partsAttempted;
                    169: 			}
1.28      bowersj2  170: 		    } else {
1.39      albertel  171: 			$score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
1.28      bowersj2  172: 		    }
1.17      bowersj2  173: 		    $partsRight += $score;
                    174: 		    $totalRight += $score;
1.19      bowersj2  175: 		    $partsCount += $curRes->weight($part);
1.18      bowersj2  176: 
1.17      bowersj2  177: 		    if ($curRes->opendate($part) < $now) {
1.20      bowersj2  178: 			$totalPossible += $curRes->weight($part);
1.17      bowersj2  179: 		    }
1.19      bowersj2  180: 		    $totalParts += $curRes->weight($part);
1.17      bowersj2  181: 		} else {
1.27      bowersj2  182: 		    my $status = $curRes->simpleStatus($part);
1.17      bowersj2  183: 		    my $thisright = 0;
                    184: 		    $partsCount++;
1.37      albertel  185: 		    if ($status == $curRes->CORRECT ||
                    186: 			$status == $curRes->PARTIALLY_CORRECT ) {
1.17      bowersj2  187: 			$partsRight++;
                    188: 			$totalRight++;
                    189: 			$thisright = 1;
                    190: 		    }
1.28      bowersj2  191: 
                    192: 		    if ($status == $curRes->ATTEMPTED) {
                    193: 			$partsAttempted++;
                    194: 			$totalAttempted++;
                    195: 		    }
1.17      bowersj2  196: 		    
                    197: 		    my $dateStatus = $curRes->getDateStatus($part);
1.19      bowersj2  198: 		    $totalParts++;
1.17      bowersj2  199: 		    if ($curRes->opendate($part) < $now) {
                    200: 			$totalPossible++;
                    201: 		    }
                    202: 		}
1.5       bowersj2  203:             }
1.15      bowersj2  204: 
                    205:             if ($depth == 1) { # in top-level only
1.19      bowersj2  206: 		$topLevelParts += $partsCount;
1.15      bowersj2  207: 		$topLevelRight += $partsRight;
1.28      bowersj2  208: 		$topLevelAttempted += $partsAttempted;
1.15      bowersj2  209: 	    }
                    210: 
1.5       bowersj2  211:             # Crawl down stack and record parts correct and total
                    212:             for my $res (@{$stack}) {
                    213:                 if (ref($res) && $res->is_map()) {
                    214:                     if (!defined($res->{DATA}->{CHILD_PARTS})) {
                    215:                         $res->{DATA}->{CHILD_PARTS} = 0;
                    216:                         $res->{DATA}->{CHILD_CORRECT} = 0;
1.28      bowersj2  217: 			$res->{DATA}->{CHILD_ATTEMPTED} = 0;
1.5       bowersj2  218:                     }
                    219:                     
1.17      bowersj2  220:                     $res->{DATA}->{CHILD_PARTS} += $partsCount;
1.5       bowersj2  221:                     $res->{DATA}->{CHILD_CORRECT} += $partsRight;
1.28      bowersj2  222: 		    $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
1.5       bowersj2  223:                 }
                    224:             }
                    225:         }
                    226:         $curRes = $iterator->next();
                    227:     }
                    228: 
                    229:     $iterator = $navmap->getIterator(undef, undef, undef, 1);
1.9       matthew   230:     $depth = 1;
1.5       bowersj2  231:     $iterator->next(); # ignore first BEGIN_MAP
1.9       matthew   232:     $curRes = $iterator->next();
1.5       bowersj2  233: 
1.7       bowersj2  234:     my @start = (255, 255, 192);
1.5       bowersj2  235:     my @end   = (0, 192, 0);
                    236: 
                    237:     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
                    238: 
                    239:     # Second pass: Print the maps.
1.43      bisitz    240:     $r->print(&Apache::loncommon::start_data_table()
                    241:              .&Apache::loncommon::start_data_table_header_row()
                    242:              .'<th>'.&mt('Folder').'</th>');
1.28      bowersj2  243:     $title = &mt($showPoints ? "Points Scored" : "Done");
                    244:     if ($totalAttempted) {
                    245: 	$title .= " / " . &mt("Attempted");
                    246:     }
1.49      www       247:     $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
1.43      bisitz    248:              .&Apache::loncommon::end_data_table_header_row());
1.5       bowersj2  249:     while ($depth > 0) {
                    250:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
                    251:         if ($curRes == $iterator->END_MAP()) { $depth--; }
                    252: 
                    253:         if (ref($curRes) && $curRes->is_map()) {
                    254:             my $title = $curRes->compTitle();
                    255:             
                    256:             my $correct = $curRes->{DATA}->{CHILD_CORRECT};
                    257:             my $total = $curRes->{DATA}->{CHILD_PARTS};
1.28      bowersj2  258: 	    my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
1.5       bowersj2  259: 
1.6       bowersj2  260:             if ($total > 0) {
                    261:                 my $ratio;
                    262:                 $ratio = $correct / $total;
                    263:                 my $color = mixColors(\@start, \@end, $ratio);
1.43      bisitz    264:                 $r->print(&Apache::loncommon::start_data_table_row()
                    265:                          .'<td style="background-color:'.$color.';">');
1.6       bowersj2  266:                 
1.15      bowersj2  267: 		my $thisIndent = '';
                    268:                 for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
1.6       bowersj2  269:                 
1.15      bowersj2  270:                 $r->print("$thisIndent$title</td>");
1.28      bowersj2  271: 		if ($totalAttempted) {
1.45      bisitz    272: 		    $r->print('<td valign="top">'
                    273:                              .$thisIndent
                    274:                              .'<span class="LC_nobreak">'
1.49      www       275:                              .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
1.45      bisitz    276:                              .'</span></td>'
                    277:                              .&Apache::loncommon::end_data_table_row()
                    278:                     );
1.28      bowersj2  279: 		} else {
1.45      bisitz    280: 		    $r->print('<td valign="top">'
                    281:                              .$thisIndent
                    282:                              .'<span class="LC_nobreak">'
1.49      www       283:                              .$correct.($notshowTotals?'':' / '.$total)
1.45      bisitz    284:                              .'</span></td>'
1.43      bisitz    285:                              .&Apache::loncommon::end_data_table_row());
1.28      bowersj2  286: 		}
1.6       bowersj2  287:             }
1.5       bowersj2  288:         }
1.4       bowersj2  289: 
1.5       bowersj2  290:         $curRes = $iterator->next();
                    291:     }
1.4       bowersj2  292: 
1.6       bowersj2  293:     # If there were any problems at the top level, print an extra "catchall"
1.15      bowersj2  294:     if ($topLevelParts > 0) {
                    295:         my $ratio = $topLevelRight / $topLevelParts;
1.6       bowersj2  296:         my $color = mixColors(\@start, \@end, $ratio);
1.43      bisitz    297:         $r->print(&Apache::loncommon::start_data_table_row()
                    298:                  .'<td style="background-color:'.$color.';">');
1.25      www       299:         $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
1.43      bisitz    300:         $r->print("$topLevelRight / $topLevelParts</td>"
                    301:                  .&Apache::loncommon::end_data_table_row());
1.6       bowersj2  302:     }
1.4       bowersj2  303: 
1.35      albertel  304:     if ($showPoints) {
1.34      www       305: 	my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
1.2       bowersj2  306: 
1.34      www       307: 	$title = $showPoints ? "Points" : "Parts Done";
1.41      bisitz    308: 	my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
1.43      bisitz    309: 	$r->print(&Apache::loncommon::start_data_table_row()
1.48      bisitz    310:                  .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
                    311: 	$r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
1.34      www       312: 	$title = $showPoints ? "Points" : "Parts";
1.43      bisitz    313: 	$r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
                    314:                  .&Apache::loncommon::end_data_table_row());
1.34      www       315:     }
1.1       bowersj2  316: 
1.43      bisitz    317:     $r->print(&Apache::loncommon::end_data_table()
                    318:              .&Apache::loncommon::end_page());
1.1       bowersj2  319: 
                    320:     return OK;
1.5       bowersj2  321: }
                    322: 
                    323: # Pass this two refs to arrays for the start and end color, and a number
                    324: # from 0 to 1 for how much of the latter you want to mix in. It will
                    325: # return a string ready to show ("#FFC309");
                    326: sub mixColors {
                    327:     my $start = shift;
                    328:     my $end = shift;
                    329:     my $ratio = shift;
                    330:     
1.9       matthew   331:     my ($a,$b);
1.5       bowersj2  332:     my $final = "";
1.9       matthew   333:     $a = $start->[0]; $b = $end->[0];
1.5       bowersj2  334:     my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9       matthew   335:     $a = $start->[1]; $b = $end->[1];
1.5       bowersj2  336:     my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9       matthew   337:     $a = $start->[2]; $b = $end->[2];
1.5       bowersj2  338:     my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
                    339: 
1.16      bowersj2  340:     $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
1.5       bowersj2  341:     return "#" . $final;
1.1       bowersj2  342: }
                    343: 
                    344: 1;

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