File:  [LON-CAPA] / loncom / interface / lonquickgrades.pm
Revision 1.111: download - view: text, annotated - select for diffs
Thu Nov 16 13:41:56 2017 UTC (6 years, 6 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
- If user's course session is stale, and needs updating when page flip,
  student's view of grades or course contents page were requested, show
  message and "indeterminate" progressbar until reinitialization complete.

    1: # The LearningOnline Network with CAPA
    2: # Quick Student Grades Display
    3: #
    4: # $Id: lonquickgrades.pm,v 1.111 2017/11/16 13:41:56 raeburn Exp $
    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;
   32: use Apache::Constants qw(:common :http REDIRECT);
   33: use POSIX;
   34: use Apache::loncommon;
   35: use Apache::lonlocal;
   36: use Apache::lonnet;
   37: use Apache::grades;
   38: use Apache::loncoursedata;
   39: use Apache::lonstudentassessment;
   40: use Apache::lonuserstate;
   41: 
   42: use Time::HiRes;
   43: use Spreadsheet::WriteExcel;
   44: use Spreadsheet::WriteExcel::Utility();
   45: #
   46: # Excel data
   47: #
   48: my $excel_sheet;
   49: my $excel_workbook;
   50: my $filename;
   51: my $format;
   52: my $request_aborted;
   53: my $header_row;
   54: my $cols_output;
   55: my %prog_state;
   56: 
   57: 
   58: sub handler {
   59:     my $r = shift;
   60:     return real_handler($r);
   61: }
   62: 
   63: sub real_handler {
   64:     my $r = shift;
   65: 
   66:     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
   67: 
   68:     # Handle header-only request
   69:     if ($env{'browser.mathml'}) {
   70: 	&Apache::loncommon::content_type($r,'text/xml');
   71:     } else {
   72: 	&Apache::loncommon::content_type($r,'text/html');
   73:     }
   74:     if ($r->header_only) {
   75: 	$r->send_http_header;
   76:         return OK;
   77:     }
   78: 
   79:     my $cangrade=&Apache::lonnet::allowed('mgr');
   80:     my $showPoints =
   81:         (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard')
   82:       || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
   83: 
   84:     my $reinitresult;
   85: 
   86:     unless ($cangrade) {
   87:         # Check for critical messages and redirect if present.
   88:         my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'grades');
   89:         if ($redirect) {
   90:             &Apache::loncommon::content_type($r,'text/html');
   91:             $r->header_out(Location => $url);
   92:             return REDIRECT;
   93:         }
   94: 
   95:         # Check if course needs to be re-initialized
   96:         my $loncaparev = $r->dir_config('lonVersion');
   97:         ($reinitresult,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
   98: 
   99:         if ($reinitresult eq 'switch') {
  100:             &Apache::loncommon::content_type($r,'text/html');
  101:             $r->send_http_header;
  102:             $r->print(&Apache::loncommon::check_release_result(@reinit));
  103:             return OK;
  104:         } elsif ($reinitresult eq 'update') {
  105:             my $cid = $env{'request.course.id'};
  106:             my $cnum = $env{'course.'.$cid.'.num'};
  107:             my $cdom = $env{'course.'.$cid.'.domain'};
  108:             &Apache::loncommon::content_type($r,'text/html');
  109:             $r->send_http_header;
  110:             &startpage($r,$showPoints);
  111:             my $preamble = '<div id="LC_update_'.$cid.'" class="LC_info">'.
  112:                            '<br />'.
  113:                            &mt('Your course session is being updated because of recent changes by course personnel.').
  114:                            ' '.&mt('Please be patient.').'<br /></div>'.
  115:                            '<div style="padding:0;clear:both;margin:0;border:0"></div>';
  116:             %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
  117:             &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
  118:             $r->rflush();
  119:             my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
  120:             &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished')); 
  121:             &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
  122:             my $closure = <<ENDCLOSE;
  123: <script type="text/javascript">
  124: // <![CDATA[
  125: \$("#LC_update_$cid").hide('slow');
  126: // ]]>
  127: </script>
  128: ENDCLOSE
  129:             if ($ferr) {
  130:                 $r->print($closure.&Apache::loncommon::end_page());
  131:                 my $requrl = $r->uri;
  132:                 $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
  133:                 $env{'user.reinit'} = 1;
  134:                 return HTTP_NOT_ACCEPTABLE;
  135:             } else {
  136:                $r->print($closure);
  137:             }
  138:         } elsif ((&Apache::loncommon::course_type() eq 'Placement') &&
  139:                  (!$env{'request.role.adv'})) {
  140:             my $furl = &Apache::lonpageflip::first_accessible_resource();
  141:             &Apache::loncommon::content_type($r,'text/html');
  142:             $r->header_out(Location => $furl);
  143:             return REDIRECT;
  144:         }
  145:     }
  146: 
  147:     unless ($reinitresult eq 'update') {
  148:         # Send header, don't cache this page
  149:         &Apache::loncommon::no_cache($r);
  150:         $r->send_http_header;
  151:         &startpage($r,$showPoints);
  152:     }
  153:     $r->rflush();
  154: 
  155:     &startGradeScreen($r,'quick');
  156: 
  157: #
  158: # Pick student
  159: #
  160:     my $uname;
  161:     my $udom;
  162:     my $stdid;
  163:     if ($cangrade) {
  164:         $r->print("<h2>".&mt("Download Multiple")."</h2>".
  165:                   '<table cellspacing="5">'."\n".
  166:                   '<tr>'.
  167:                   '<td align="center"><b>'.&mt('Sections').'</b>'.
  168:                   &Apache::loncommon::help_open_topic("Chart_Sections").
  169:                   '</td>'.
  170:                   '<td align="center"><b>'.&mt('Groups').'</b>'.
  171:                   '</td>'.
  172:                   '<td align="center"><b>'.&mt('Student Data').'</b>'.
  173:                   &Apache::loncommon::help_open_topic("Chart_Student_Data").
  174:                   '</td>'.
  175:                   '<td align="center"><b>'.&mt('Access Status').'</b>'.
  176:                   &Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
  177:                   '</td>'.
  178:                   '<td align="center"><b>'.&mt('Output Format').'</b>'.
  179:                   &Apache::loncommon::help_open_topic("Chart_Output_Formats").
  180:                   '</td><td>&nbsp;</td></tr>'."\n".
  181:                   '<tr><td align="center">'."\n".
  182:                   &Apache::lonstatistics::SectionSelect('Section','multiple',5).
  183:                   '</td><td align="center">'.
  184:                   &Apache::lonstatistics::GroupSelect('Group','multiple',5).
  185:                   '</td><td align="center">'.
  186:                   &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',5,undef).
  187:                   '</td><td>'."\n".
  188:                   &Apache::lonhtmlcommon::StatusOptions(undef,undef,5).
  189:                   '</td><td>'."\n".
  190:                   &Apache::lonstudentassessment::CreateAndParseOutputSelector().
  191:                   '</td><td>'.
  192:                   '<input type="submit" name="download" value="'.&mt('Display/Download Multiple Students').'" />'.
  193:                   '</td></tr>'."\n".
  194:                   '</table>'."\n"
  195:                  );
  196:         $r->print("<hr /><h2>".&mt("Display Individual")."</h2>");
  197:         if ($env{'form.uname'}) { $uname=$env{'form.uname'}; }
  198:         if ($env{'form.udom'}) { $udom=$env{'form.udom'}; }
  199:         if ($env{'form.id'}) { $stdid=$env{'form.id'}; }
  200:         if (($stdid) && ($udom)) {
  201:             $uname=(&Apache::lonnet::idget($udom,[$stdid],'ids'))[1];
  202:         }
  203:         if (($stdid) && (!$uname)) {
  204:             $r->print('<p><span class="LC_warning">'.&mt("Unknown Student/Employee ID: [_1]",$stdid).'</span></p>');
  205:             $stdid='';
  206:         }
  207:         $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
  208:         my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
  209:            &Apache::loncommon::selectstudent_link('quickform','uname','udom');
  210:         $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
  211:         $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
  212:                  ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
  213:                  ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
  214:                  ,$chooseopt).
  215:                  '&nbsp;&nbsp;<input type="submit" name="display" value="'.&mt('Display Individual Student').'" /></p>');
  216:         if (($uname) && ($udom)) {
  217:             $r->print('<p>'.&mt('Full Name: [_1]',&Apache::loncommon::plainname($uname,$udom)).'</p>');
  218:         }
  219:     }
  220:     $r->rflush();
  221: 
  222:     my $notshowSPRSlink =
  223:         (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
  224:       || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
  225:     my $notshowTotals=
  226:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
  227:     my $showCategories=
  228:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
  229: 
  230:     my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
  231:        &getData($showPoints,$uname,$udom);
  232: 
  233:     if ($showCategories) {
  234:        &outputCategories($r,$showPoints,$notshowTotals,
  235:                  $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
  236:     } else {
  237:        &outputTable($r,$showPoints,$notshowTotals,
  238:                  $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
  239:     }
  240:     if ($cangrade) { $r->print("\n</form>\n"); }
  241:     &endGradeScreen($r);
  242:     return OK;
  243: 
  244: }
  245: 
  246: sub getStudentCatGrade {
  247:     my ($uname,$udom,%categories)=@_;
  248:     my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
  249:        &getData(1,$uname,$udom);
  250:     return &output_category_table(undef,0,$navmap,0,%categories);
  251: }
  252: 
  253: sub getAllStudentData {
  254:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  255:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  256: 
  257:     my %categories=&Apache::lonnet::dump('grading_categories',$cdom,$cnum);
  258: 
  259:     my $classlist = &Apache::loncoursedata::get_classlist();
  260: 
  261:     my $statusidx   = &Apache::loncoursedata::CL_STATUS();
  262:     my $usernameidx = &Apache::loncoursedata::CL_SNAME();
  263:     my $domainidx   = &Apache::loncoursedata::CL_SDOM();
  264:     my $fullnameidx = &Apache::loncoursedata::CL_FULLNAME();
  265: 
  266:     foreach my $key (keys(%{$classlist})) {
  267:         my $student = $classlist->{$key};
  268:         my $perc=&getStudentCatGrade($classlist->{$student}->[$usernameidx],
  269:                                      $classlist->{$student}->[$domainidx],
  270:                                      %categories);
  271:     }
  272: }
  273: 
  274: sub startpage {
  275:     my ($r,$showPoints) = @_;
  276:     my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
  277:     my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
  278:     $r->print(&Apache::loncommon::start_page($title,undef,
  279:                                             {'bread_crumbs' => $brcrum})
  280:              );
  281: }
  282: 
  283: sub startGradeScreen {
  284:     my ($r,$mode)=@_;
  285: 
  286:     my $showPoints =
  287:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
  288:     my $notshowSPRSlink =
  289:         (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
  290:       || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals')
  291:       || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
  292:     my $notshowTotals=
  293:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
  294:     my $showCategories=
  295:         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
  296: 
  297:     my $allowed_to_view =  &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
  298:     my $allowed_to_edit =  &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
  299: 
  300:     if ($allowed_to_view) {
  301:        my @notes;
  302:        push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
  303:        push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
  304:        push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
  305:        push(@notes,&mt('Students will see points based on categories.')) if ($showCategories);
  306:        push(@notes, &Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
  307:        $r->print(&Apache::loncommon::head_subbox(join('&nbsp;&nbsp;',@notes)));
  308:     }
  309: 
  310: 
  311:     $r->print("\n".'<ul class="LC_TabContentBigger" id="main">');
  312:     $r->print("\n".'<li'.($mode eq 'quick'?' class="active"':'').'><a href="/adm/quickgrades"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.
  313:                                           ($showPoints?&mt('Individual Points Overview'):($showCategories?&mt('Grades Overview'):&mt('Completion Overview'))).
  314:                                           '&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
  315: 
  316:     if (!($showPoints || $notshowSPRSlink) || ($allowed_to_view)) {
  317:        $r->print("\n".'<li'.($mode eq 'spreadsheet'?' class="active"':'').'><a href="/adm/'.($allowed_to_view?'classcalc':'studentcalc').'"><b>'.
  318:                                                                  &mt('Spreadsheet (Detailed)').'</b></a></li>');
  319:     }
  320:     if ($allowed_to_view) {
  321:        $r->print("\n".'<li'.($mode eq 'statistics'?' class="active"':'').'><a href="/adm/statistics"><b>'.
  322:                                                                  &mt('Statistics and Reports').'</b></a></li>');
  323: 
  324:        $r->print("\n".'<li'.($mode eq 'chart'?' class="active"':'').'><a href="/adm/statistics?reportSelected=student_assessment"><b>'.
  325:                                                                  &mt('Assessment Overview Chart').'</b></a></li>');
  326: 
  327:     }
  328:     if ($allowed_to_edit) {
  329:        $r->print("\n".'<li'.($mode eq 'grading'?' class="active"':'').'><a href="/adm/grades"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.
  330:                                                                  &mt('Content Grading').'&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
  331:        if ($env{'form.symb'}) {
  332:           $r->print("\n".'<li'.($mode eq 'probgrading'?' class="active"':'').'><a href="/adm/grades?symb='.
  333:                                               &Apache::lonhtmlcommon::entity_encode($env{'form.symb'}).
  334:                                               '&amp;command=gradingmenu"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.
  335:                                               &mt('Problem Grading').'&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
  336: 
  337:        }
  338:     }
  339:     $r->print("\n".'</ul>'."\n");
  340:     $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
  341: }
  342: 
  343: sub endGradeScreen {
  344:    my ($r)=@_;
  345:    $r->print('</div></div></div>'.&Apache::loncommon::end_page());
  346: }
  347: 
  348: # -----------
  349: 
  350: 
  351: sub excel_cleanup {
  352:     undef ($excel_sheet);
  353:     undef ($excel_workbook);
  354:     undef ($filename);
  355:     undef ($format);
  356: }
  357: 
  358: 
  359: sub excel_initialize {
  360:     my ($r) = @_;
  361: 
  362:     &excel_cleanup();
  363: 
  364:     # Create sheet
  365:     ($excel_workbook,$filename,$format)=
  366:         &Apache::loncommon::create_workbook($r);
  367:     return if (! defined($excel_workbook));
  368:    #
  369:    # Add a worksheet
  370:     my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
  371:     $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
  372:     $excel_sheet = $excel_workbook->addworksheet($sheetname);
  373:    #
  374:    # Put the course description in the header
  375:     $excel_sheet->write($header_row,$cols_output++,
  376:                    $env{'course.'.$env{'request.course.id'}.'.description'},
  377:                         $format->{'h1'});
  378: } 
  379: 
  380: sub excel_finish {
  381:     my ($r) = @_;
  382:     if ($request_aborted || ! defined($excel_sheet)) {
  383:         &excel_cleanup();
  384:         return;
  385:     }
  386:     #
  387:     # Write the excel file
  388:     $excel_workbook->close();
  389:     #
  390:     # Close the progress window
  391:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
  392:     #
  393:     # Tell the user where to get their excel file
  394:     $r->print('<br />'.
  395:               '<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
  396:     $r->rflush();
  397:     &excel_cleanup();
  398:     return;
  399: }
  400: 
  401: 
  402: #
  403: # CSV data
  404: #
  405: # -----------
  406: 
  407: #
  408: # Go through the complete course and collect data
  409: #
  410: 
  411: sub getData {
  412: 
  413:     my ($showPoints,$uname,$udom)=@_;
  414: 
  415:     # Create the nav map
  416:     my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
  417: 
  418:     my $res = $navmap->firstResource(); # temp resource to access constants
  419: 
  420:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
  421:     my $depth = 1;
  422:     $iterator->next(); # ignore first BEGIN_MAP
  423:     my $curRes = $iterator->next();
  424:     
  425:     # General overview of the following: Walk along the course resources.
  426:     # For every problem in the resource, tell its parent maps how many
  427:     # parts and how many parts correct it has. After that, each map will
  428:     # have a count of the total parts underneath it, correct and otherwise.
  429:     # After that, we will walk through the course again and read off
  430:     # maps in order, with their data. 
  431:     # (If in the future people decide not to be cumulative, only add
  432:     #  the counts to the parent map.)
  433:     # For convenience, "totalParts" is also "totalPoints" when we're looking
  434:     #  at points; I can't come up with a variable name that makes sense
  435:     #  equally for both cases.
  436: 
  437:     my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
  438:     my $totalAttempted = 0;
  439:     my $now = time();
  440:     my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
  441: 
  442:     # Pre-run: Count parts correct
  443:     while ( $depth > 0 ) {
  444:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
  445:         if ($curRes == $iterator->END_MAP()) { $depth--; }
  446: 
  447:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
  448:         {
  449:             # Get number of correct, incorrect parts
  450:             my $parts = $curRes->parts();
  451:             my $partsRight = 0;
  452: 	    my $partsCount = 0;
  453: 	    my $partsAttempted = 0;
  454:             my $stack = $iterator->getStack();
  455:             
  456:             for my $part (@{$parts}) {
  457: 		my $dateStatus = $curRes->getDateStatus($part);
  458:                 my $weight = $curRes->weight($part);
  459:                 my $problemstatus = $curRes->problemstatus($part);
  460: 
  461:                 if ($curRes->solved($part) eq 'excused') {
  462:                     next;
  463:                 }
  464: 		if ($showPoints) {
  465: 		    my $score = 0;
  466: 		    # If we're not telling status and the answer date isn't passed yet, 
  467: 		    # it's an "attempted" point
  468: 		    if ((($problemstatus eq 'no') ||
  469:                          ($problemstatus eq 'no_feedback_ever')) &&
  470: 			($dateStatus != $curRes->ANSWER_OPEN)) {
  471: 			my $status = $curRes->simpleStatus($part);
  472: 			if ($status == $curRes->ATTEMPTED) {
  473: 			    $partsAttempted += $weight;
  474: 			    $totalAttempted += $partsAttempted;
  475: 			}
  476: 		    } else {
  477: 			$score = &Apache::grades::compute_points($weight, $curRes->awarded($part));
  478: 		    }
  479: 		    $partsRight += $score;
  480: 		    $totalRight += $score;
  481: 		    $partsCount += $weight;
  482: 
  483:                     $curRes->{DATA}->{PROB_SCORE}  += $score;
  484:                     $curRes->{DATA}->{PROB_WEIGHT} += $weight;
  485: 
  486: 		    if ($curRes->opendate($part) < $now) {
  487: 			$totalPossible += $weight;
  488:                         $curRes->{DATA}->{PROB_POSSIBLE} += $weight;
  489: 		    }
  490: 		    $totalParts += $weight;
  491: 		} else {
  492: 		    my $status = $curRes->simpleStatus($part);
  493: 		    my $thisright = 0;
  494: 		    $partsCount++;
  495: 		    if ($status == $curRes->CORRECT ||
  496: 			$status == $curRes->PARTIALLY_CORRECT ) {
  497: 			$partsRight++;
  498: 			$totalRight++;
  499: 			$thisright = 1;
  500: 		    }
  501: 
  502: 		    if ($status == $curRes->ATTEMPTED) {
  503: 			$partsAttempted++;
  504: 			$totalAttempted++;
  505: 		    }
  506: 		    
  507: 		    $totalParts++;
  508: 		    if ($curRes->opendate($part) < $now) {
  509: 			$totalPossible++;
  510: 		    }
  511: 		}
  512:             }
  513: 
  514:             if ($depth == 1) { # in top-level only
  515: 		$topLevelParts += $partsCount;
  516: 		$topLevelRight += $partsRight;
  517: 		$topLevelAttempted += $partsAttempted;
  518: 	    }
  519: 
  520:             # Crawl down stack and record parts correct and total
  521:             for my $res (@{$stack}) {
  522:                 if (ref($res) && $res->is_map()) {
  523:                     if (!defined($res->{DATA}->{CHILD_PARTS})) {
  524:                         $res->{DATA}->{CHILD_PARTS} = 0;
  525:                         $res->{DATA}->{CHILD_CORRECT} = 0;
  526: 			$res->{DATA}->{CHILD_ATTEMPTED} = 0;
  527:                     }
  528:                     
  529:                     $res->{DATA}->{CHILD_PARTS} += $partsCount;
  530:                     $res->{DATA}->{CHILD_CORRECT} += $partsRight;
  531: 		    $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
  532:                 }
  533:             }
  534:         }
  535:         $curRes = $iterator->next();
  536:     }
  537:     return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
  538: }
  539: 
  540: #
  541: # Outputting everything.
  542: #
  543: 
  544: sub outputTable {
  545: 
  546:     my ($r,$showPoints,$notshowTotals,
  547:            $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
  548: 
  549:     my @start = (255, 255, 192);
  550:     my @end   = (0, 192, 0);
  551: 
  552:     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
  553: 
  554:     # Second pass: Print the maps.
  555:     $r->print(&Apache::loncommon::start_data_table()
  556:              .&Apache::loncommon::start_data_table_header_row()
  557:              .'<th>'.&mt('Folder').'</th>');
  558:     my $title = &mt($showPoints ? "Points Scored" : "Done");
  559:     if ($totalAttempted) {
  560:         $title .= " / " . &mt("Attempted");
  561:     }
  562:     $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
  563:              .&Apache::loncommon::end_data_table_header_row());
  564: #
  565: # Output of folder scores
  566: #
  567: 
  568:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
  569:     my $depth = 1;
  570:     $iterator->next(); # ignore first BEGIN_MAP
  571:     my $curRes = $iterator->next();
  572: 
  573:     while ($depth > 0) {
  574:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
  575:         if ($curRes == $iterator->END_MAP()) { $depth--; }
  576: 
  577:         if (ref($curRes) && $curRes->is_map()) {
  578:             my $title = $curRes->compTitle();
  579:             
  580:             my $correct = $curRes->{DATA}->{CHILD_CORRECT};
  581:             my $total = $curRes->{DATA}->{CHILD_PARTS};
  582: 	    my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
  583: 
  584:             if ($total > 0) {
  585:                 my $ratio;
  586:                 $ratio = $correct / $total;
  587:                 my $color = &mixColors(\@start, \@end, $ratio);
  588:                 $r->print(&Apache::loncommon::start_data_table_row()
  589:                          .'<td style="background-color:'.$color.';">');
  590:                 
  591: 		my $thisIndent = '';
  592:                 for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
  593:                 
  594:                 $r->print("$thisIndent$title</td>");
  595: 		if ($totalAttempted) {
  596: 		    $r->print('<td valign="top">'
  597:                              .$thisIndent
  598:                              .'<span class="LC_nobreak">'
  599:                              .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
  600:                              .'</span></td>'
  601:                              .&Apache::loncommon::end_data_table_row()
  602:                     );
  603: 		} else {
  604: 		    $r->print('<td valign="top">'
  605:                              .$thisIndent
  606:                              .'<span class="LC_nobreak">'
  607:                              .$correct.($notshowTotals?'':' / '.$total)
  608:                              .'</span></td>'
  609:                              .&Apache::loncommon::end_data_table_row());
  610: 		}
  611:             }
  612:         }
  613: 
  614:         $curRes = $iterator->next();
  615:     }
  616: 
  617:     # If there were any problems at the top level, print an extra "catchall"
  618:     if ($topLevelParts > 0) {
  619:         my $ratio = $topLevelRight / $topLevelParts;
  620:         my $color = &mixColors(\@start, \@end, $ratio);
  621:         $r->print(&Apache::loncommon::start_data_table_row()
  622:                  .'<td style="background-color:'.$color.';">');
  623:         $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
  624:         $r->print("$topLevelRight / $topLevelParts</td>"
  625:                  .&Apache::loncommon::end_data_table_row());
  626:     }
  627: 
  628: #
  629: # show totals (if applicable), close table
  630: #
  631:     if ($showPoints) {
  632:         my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
  633: 
  634:         $title = $showPoints ? "Points" : "Parts Done";
  635:         my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
  636:         $r->print(&Apache::loncommon::start_data_table_row()
  637:                  .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
  638:         $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
  639:         $title = $showPoints ? "Points" : "Parts";
  640:         $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
  641:                  .&Apache::loncommon::end_data_table_row());
  642:     }
  643: 
  644:     $r->print(&Apache::loncommon::end_data_table());
  645: }
  646: 
  647: #
  648: # === Outputting category-based grades.
  649: #
  650: # $category{'order'}: output order of categories by id
  651: # $category{'all'}: complete list of all categories 
  652: # $category{$id.'_name'}: display-name of category
  653: #
  654: 
  655: sub outputCategories {
  656: 
  657:     my ($r,$showPoints,$notshowTotals,
  658:            $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
  659: # Take care of storing and retrieving categories
  660: 
  661:     my $cangrade=&Apache::lonnet::allowed('mgr');
  662: 
  663:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  664:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  665:     my %categories=();
  666: # Loading old categories
  667:     %categories=&Apache::lonnet::dump('grading_categories',$cdom,$cnum);
  668: # Storing
  669:     if (($cangrade) && (($env{'form.storechanges'}) || ($env{'form.storemove'} ne '') || ($env{'form.cmd'} ne ''))) {
  670: # Process the changes
  671:         %categories=&process_category_edits($r,$cangrade,%categories);
  672: # Actually store
  673:         &Apache::lonnet::put('grading_categories',\%categories,$cdom,$cnum);
  674:     }
  675: # new categories loaded now
  676:     &output_category_table($r,$cangrade,$navmap,1,%categories);
  677: #
  678:     if ($cangrade) {
  679:         $r->print(&Apache::loncommon::resourcebrowser_javascript().
  680:                   '<input type="hidden" name="storemove" value="" />'.
  681:                   '<input type="hidden" name="cmd" value="" />'.
  682:                   '<input type="hidden" name="resourcesymb" value="" />'.
  683:                   '<input type="submit" name="storechanges" value="'.&mt("Save changes to grading categories").'" />'.
  684:                   '<script>function storecmd (cmd) { document.quickform.cmd.value=cmd; document.quickform.submit(); }</script>');
  685:     }
  686: }
  687: 
  688: #
  689: # Get data for all symbs
  690: #
  691: 
  692: sub dumpdata {
  693:     my ($navmap)=@_;
  694:     my %returndata=();
  695: 
  696: # Run through the map and get all data
  697: 
  698:     my $iterator = $navmap->getIterator(undef, undef, undef, 1);
  699:     my $depth = 1;
  700:     $iterator->next(); # ignore first BEGIN_MAP
  701:     my $curRes = $iterator->next();
  702: 
  703:     while ($depth > 0) {
  704:         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
  705:         if ($curRes == $iterator->END_MAP()) { $depth--; }
  706:         if (ref($curRes)) {
  707:             if ($curRes->is_map()) {
  708:                 $returndata{$curRes->symb()}='folder:'.$curRes->{DATA}->{CHILD_PARTS}.':'.$curRes->{DATA}->{CHILD_ATTEMPTED}.':'.$curRes->{DATA}->{CHILD_CORRECT};
  709:             } else {
  710:                 $returndata{$curRes->symb()}='res:'.$curRes->{DATA}->{PROB_WEIGHT}.':'.$curRes->{DATA}->{PROB_POSSIBLE}.':'.$curRes->{DATA}->{PROB_SCORE};
  711:             } 
  712:         }
  713:         $curRes = $iterator->next();
  714:     }
  715:     return %returndata;
  716: }
  717: 
  718: #
  719: # Process editing commands, update category hash
  720: #
  721: 
  722: sub process_category_edits {
  723:     my ($r,$cangrade,%categories)=@_;
  724:     unless ($cangrade) { return %categories; }
  725: # First store everything
  726:     foreach my $id (split(/\,/,$categories{'order'})) {
  727: # Set names, types, and weight (there is only one of each per category)
  728:         %categories=&set_category_name($cangrade,$id,$env{'form.name_'.$id},%categories);
  729:         %categories=&set_category_total($cangrade,$id,$env{'form.totaltype_'.$id},$env{'form.total_'.$id},%categories);
  730:         %categories=&set_category_weight($cangrade,$id,$env{'form.weight_'.$id},%categories);
  731:         %categories=&set_category_displayachieved($cangrade,$id,$env{'form.displayachieved_'.$id},%categories);
  732: # Set values for category rules (before names may change)
  733:         %categories=&set_category_rules($cangrade,$id,%categories);
  734:     }
  735: 
  736: # Now deal with commands
  737:     my $cmd=$env{'form.cmd'};
  738:     if ($cmd eq 'createnewcat') {
  739:         %categories=&make_new_category($r,$cangrade,undef,%categories);
  740:     } elsif ($cmd=~/^up\_(.+)$/) {
  741:         %categories=&move_up_category($1,$cangrade,%categories);
  742:     } elsif ($cmd=~/^down\_(.+)$/) {
  743:         %categories=&move_down_category($1,$cangrade,%categories);
  744:     } elsif ($cmd=~/^delcat\_(.+)$/) {
  745:         %categories=&del_category($1,$cangrade,%categories);
  746:     } elsif ($cmd=~/^addcont\_(.+)$/) {
  747:         %categories=&add_category_content($1,$cangrade,$env{'form.resourcesymb'},%categories);
  748:     } elsif ($cmd=~/^delcont\_(.+)\_\_\_\_\_\_(.+)$/) {
  749:         %categories=&del_category_content($1,$cangrade,$2,%categories);
  750:     } elsif ($cmd=~/^newrule\_(.+)$/) {
  751:         %categories=&add_calculation_rule($1,$cangrade,':',%categories);
  752:     } elsif ($cmd=~/^delrule\_(.+)\_\_\_\_\_\_(.*)$/) {
  753:         %categories=&del_calculation_rule($1,$cangrade,$2,%categories);
  754:     }
  755: # Move to a new position
  756:     my $moveid=$env{'form.storemove'};
  757:     if ($moveid) {
  758:         %categories=&move_category($moveid,$cangrade,$env{'form.newpos_'.$moveid},%categories);
  759:     } 
  760:     return %categories;
  761: }
  762: 
  763: #
  764: # Output the table
  765: #
  766: 
  767: sub output_category_table {
  768:     my ($r,$cangrade,$navmaps,$output,%categories)=@_;
  769:     
  770:     my $totalweight=0;
  771:     my $totalpoints=0;
  772: 
  773:     if ($output) { 
  774:        $r->print(&Apache::loncommon::start_data_table());
  775: #
  776:        &output_category_table_header($r,$cangrade);
  777:     }
  778: #
  779:     my @order=split(/\,/,$categories{'order'});
  780: #
  781:     my %performance=&dumpdata($navmaps);
  782:     my $maxpos=$#order;
  783:     for (my $i=0;$i<=$maxpos;$i++) {
  784:         my ($correct,$possible,$type,$weight)=&output_and_calc_category($r,$cangrade,$navmaps,$order[$i],$i,$maxpos,\%performance,$output,%categories);
  785:         unless ($possible) { next; }
  786:         $totalpoints+=$weight*$correct/$possible;
  787:         $totalweight+=$weight;
  788:     }
  789: #
  790:     my $perc=0;
  791:     if ($totalweight) { $perc=100.*$totalpoints/$totalweight; }
  792: 
  793:     if ($output) { 
  794:         &bottom_line_category($r,$cangrade,$perc); 
  795:         $r->print(&Apache::loncommon::end_data_table());
  796:     }
  797:     return $perc;
  798: }
  799: 
  800: sub output_category_table_header {
  801:     my ($r,$cangrade)=@_;
  802:     $r->print(&Apache::loncommon::start_data_table_header_row());
  803:     if ($cangrade) {
  804:         $r->print('<th colspan="2">'.&mt("Move").'</th><th>'.&mt('Action').'</th>');
  805:     }
  806:     $r->print('<th>'.&mt('Category').'</th>'.
  807:               '<th>'.&mt('Contents').'</th>'.
  808:               '<th>'.&mt('Total Points').'</th>'.
  809:               '<th>'.&mt('Calculation').'</th>'.
  810:               '<th>'.&mt('Relative Weight').'</th>'.
  811:               '<th>'.&mt('Achieved').'</th>');
  812:     $r->print(&Apache::loncommon::end_data_table_header_row());
  813: }
  814: 
  815: 
  816: #
  817: # Output one category to table
  818: #
  819: 
  820: sub output_and_calc_category {
  821:     my ($r,$cangrade,$navmaps,$id,$currentpos,$maxpos,$performance,$output,%categories)=@_;
  822:     
  823:     if ($output) { $r->print("\n".&Apache::loncommon::start_data_table_row()); }
  824: 
  825:     if ($output && $cangrade) {
  826:         my $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
  827:         my %lt=&Apache::lonlocal::texthash(
  828:            'up' => 'Move Up',
  829:            'dw' => 'Move Down');
  830: 
  831:         $r->print(<<ENDMOVE);
  832: <td>
  833: <div class="LC_docs_entry_move">
  834:   <a href='javascript:storecmd("up_$id");'>
  835:     <img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" />
  836:   </a>
  837: </div>
  838: <div class="LC_docs_entry_move">
  839:   <a href='javascript:storecmd("down_$id");'>
  840:     <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" />
  841:   </a>
  842: </div>
  843: </td>
  844: ENDMOVE
  845:         $r->print("\n<td>\n<select name='newpos_$id' onchange='this.form.storemove.value=\"$id\";this.form.submit()'>");
  846:         for (my $i=0;$i<=$maxpos;$i++) {
  847:             if ($i==$currentpos) {
  848:                 $r->print('<option value="" selected="selected">('.$i.')</option>');
  849:             } else {
  850:                 $r->print('<option value="'.$i.'">'.$i.'</option>');
  851:             }
  852:         }
  853:         $r->print("\n</select>\n</td>\n");
  854:         $r->print('<td><a href="javascript:storecmd(\'delcat_'.$id.'\');">'.&mt('Delete').'</a></td>');
  855:         $r->print('<td><input type="text" name="name_'.$id.
  856:                   '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_name'}).'" /></td>');
  857:     } elsif ($output) {
  858:         $r->print('<td>'.$categories{$id.'_name'}.'</td>');
  859:     }
  860: # Content display and summing up of points
  861:     my $totalpossible=0;
  862:     my $totalcorrect=0;
  863:     my @individual=();
  864:     if ($output) { $r->print('<td><ul>'); }
  865:     foreach my $contentid (split(/\,/,$categories{$id.'_content'})) {
  866:         my ($type,$possible,$attempted,$correct)=split(/\:/,$$performance{$contentid});
  867:         $totalpossible+=$possible;
  868:         $totalcorrect+=$correct;
  869:         if ($possible>0) { push(@individual,"$possible:$correct"); }
  870:         if ($output) {
  871:            $r->print('<li>');
  872:            $r->print(&Apache::lonnet::gettitle($contentid).' ('.&numberout($correct).'/'.&numberout($possible).')');
  873:            if ($cangrade) {
  874:               $r->print(' <a href="javascript:storecmd(\'delcont_'.$id.'______'.$contentid.'\');">'.&mt('Delete').'</a>');
  875:            }
  876:            $r->print('</li>');
  877:         }
  878:     }
  879:     if ($output) {
  880:        $r->print('</ul>');
  881:        if ($cangrade) {
  882:            $r->print('<br />'.&Apache::loncommon::selectresource_link('quickform','addcont_'.$id,&mt('Add Problem or Folder')).'<br />');
  883:        }
  884:        $r->print('<p><b>'.&mt('Total raw points: [_1]/[_2]',&numberout($totalcorrect),&numberout($totalpossible)).'</b></p>');
  885:        $r->print('</td>'); 
  886:     }
  887: # Total
  888:     if ($output) { $r->print('<td>'); }
  889:     if ($cangrade) {
  890:        if ($output) { 
  891:           $r->print(
  892:                   '<select name="totaltype_'.$id.'">'.
  893:                   '<option value="default"'.($categories{$id.'_totaltype'} eq 'default'?' selected="selected"':'').'>'.&mt('default').'</option>'.
  894:                   '<option value="typein"'.($categories{$id.'_totaltype'} eq 'typein'?' selected="selected"':'').'>'.&mt('Type-in value').'</option>'.
  895:                   '</select>'.
  896:                   '<input type="text" size="4" name="total_'.$id.
  897:                   '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_total'}).'" />'); 
  898:        }
  899:     } else {
  900:        if ($output) {
  901:           $r->print('<td>'.($categories{$id.'_totaltype'} eq 'default'?&mt('default'):$categories{$id.'_total'}));
  902:        }
  903:     }
  904: # Adjust total points
  905:     if ($categories{$id.'_totaltype'} eq 'typein') {
  906:        $totalpossible=1.*$categories{$id.'_total'};
  907:     }
  908:     if ($output) {
  909:        $r->print('<p><b>'.&mt('Adjusted raw points: [_1]/[_2]',&numberout($totalcorrect),&numberout($totalpossible)).'</b></p>');
  910:     }
  911: 
  912: 
  913: # Calculation
  914:     if ($output) { $r->print('<td><ul>'); }
  915:     foreach my $calcrule (split(/\,/,$categories{$id.'_calculations'})) {
  916:         if ($output) { $r->print('<li>'); }
  917:         my ($code,$value)=split(/\:/,$calcrule);
  918:         if ($output) { $r->print(&pretty_prt_rule($cangrade,$id,$code,$value)); }
  919:         if ($cangrade) {
  920:            if ($output) { $r->print(' <a href="javascript:storecmd(\'delrule_'.$id.'______'.$code.'\');">'.&mt('Delete').'</a>'); }
  921:         }
  922:         if ($code eq 'capabove') {
  923:             if ($totalpossible>0) {
  924:                 if ($totalcorrect/$totalpossible>$value/100.) {
  925:                     $totalcorrect=$totalpossible*$value/100.;
  926:                 }
  927:             }
  928:         } elsif ($code eq 'capbelow') {
  929:             if ($totalpossible>0) {
  930:                 if ($totalcorrect/$totalpossible<$value/100.) {
  931:                     $totalcorrect=$totalpossible*$value/100.;
  932:                 }
  933:             }
  934:         } elsif ($code eq 'droplow') {
  935:             ($totalpossible,$totalcorrect,@individual)=&drop(0,0,$value,@individual);
  936:         } elsif ($code eq 'drophigh') {
  937:             ($totalpossible,$totalcorrect,@individual)=&drop(1,0,$value,@individual);
  938:         } elsif ($code eq 'droplowperc') {
  939:             ($totalpossible,$totalcorrect,@individual)=&drop(0,1,$value,@individual);
  940:         } elsif ($code eq 'drophighperc') {
  941:             ($totalpossible,$totalcorrect,@individual)=&drop(1,1,$value,@individual);
  942:         }
  943:         if ($output) { $r->print('</li>'); }
  944:     }
  945: # Re-adjust total points if force total
  946:     if ($categories{$id.'_totaltype'} eq 'typein') {
  947:        $totalpossible=1.*$categories{$id.'_total'};
  948:     }
  949: 
  950:     if ($output) { 
  951:         $r->print('</ul>'); 
  952:         if ($cangrade) { $r->print('<br />'.&new_calc_rule_form($id)); }
  953:         $r->print('<p><b>'.&mt('Calculated points: [_1]/[_2]',&numberout($totalcorrect),&numberout($totalpossible)).'</b></p>');
  954:         $r->print('</td>'); 
  955:     }
  956: #
  957: # Prepare for export
  958: #
  959: # Weight
  960:     my $weight=$categories{$id.'_weight'};
  961:     unless (1.*$weight>0) { $weight=0; }
  962:     if ($cangrade) {
  963:        if ($output) { 
  964:           $r->print('<td>'.
  965:                   '<input type="text" size="4" name="weight_'.$id.
  966:                   '" value="'.&Apache::lonhtmlcommon::entity_encode($weight).'" /></td>');
  967:        }
  968:     } else {
  969:        if ($output) {
  970:           $r->print('<td>'.$weight.'</td>');
  971:        }
  972:     }
  973: # Achieved
  974:     my $type=$categories{$id.'_displayachieved'};
  975:     unless (($type eq 'percent') || ($type eq 'points')) { $type='points'; }
  976:     if ($output) { $r->print('<td>'); }
  977:     if ($cangrade) {
  978:         if ($output) {
  979:            $r->print('<select name="displayachieved_'.$id.'">'.
  980:                   '<option value="percent"'.($type eq 'percent'?' selected="selected"':'').'>'.&mt('percent').'</option>'.
  981:                   '<option value="points"'.($type eq 'points'?' selected="selected"':'').'>'.&mt('points').'</option>'.
  982:                   '</select>');
  983:         }
  984:     }
  985:     if ($output) {
  986:         $r->print('<p><b>');
  987:         if ($type eq 'percent') {
  988:             my $perc='---';
  989:             if ($totalpossible) {
  990:                 $perc=100.*$totalcorrect/$totalpossible;
  991:             }
  992:             $r->print(&mt('[_1] percent',&numberout($perc)));
  993:         } else {
  994:             $r->print(&mt('[_1]/[_2] points',&numberout($totalcorrect),&numberout($totalpossible)));
  995:         }
  996:         $r->print('</b></p>');
  997:     }
  998:     if ($output) { $r->print('</td>'); }
  999: 
 1000:     return ($totalcorrect,$totalpossible,$type,$weight);
 1001: }
 1002: 
 1003: #
 1004: # Drop folders and problems
 1005: #
 1006: 
 1007: sub drop {
 1008:     my ($high,$percent,$n,@individual)=@_;
 1009: # Sort assignments by points or percent
 1010:     my @newindividual=sort {
 1011:         my ($pa,$ca)=split(/\:/,$a);
 1012:         my ($pb,$cb)=split(/\:/,$b);
 1013:         if ($percent) {
 1014:             my $perca=0;
 1015:             if ($pa>0) { $perca=$ca/$pa; }
 1016:             my $percb=0;
 1017:             if ($pb>0) { $percb=$cb/$pb; }
 1018:             $perca<=>$percb;
 1019:         } else {
 1020:             $ca<=>$cb;
 1021:         }
 1022:     } @individual;
 1023: # Drop the ones we don't want
 1024:     if ($#newindividual>=$n) {
 1025:         if ($high) {
 1026:            splice(@newindividual,$#newindividual+1-$n,$n);
 1027:         } else {
 1028:            splice(@newindividual,0,$n);
 1029:         }
 1030:     } else {
 1031:         @newindividual=();
 1032:     }
 1033: # Re-calculate how many points possible and achieved
 1034:     my $newpossible=0;
 1035:     my $newcorrect=0;
 1036:     for my $score (@newindividual) {
 1037:         my ($thispossible,$thiscorrect)=(split(/\:/,$score));
 1038:         $newpossible+=$thispossible;
 1039:         $newcorrect+=$thiscorrect;
 1040:     }
 1041:     return ($newpossible,$newcorrect,@newindividual);
 1042: } 
 1043: #
 1044: # Bottom line with grades
 1045: #
 1046: 
 1047: sub bottom_line_category {
 1048:     my ($r,$cangrade,$perc)=@_;
 1049:     $r->print(&Apache::loncommon::start_data_table_row());
 1050:     if ($cangrade) {
 1051:         $r->print('<td colspan="3"><a href="javascript:storecmd(\'createnewcat\');">'.&mt('Create New Category').'</a></td>');
 1052:     }
 1053:     $r->print('<td colspan="6"><b>'.&mt('Total: [_1] percent',&numberout($perc)).'</b></td>');
 1054: }
 1055: 
 1056: sub numberout {
 1057:     my ($number)=@_;
 1058:     my $printout=sprintf("%.3f", $number);
 1059:     $printout=~s/0+$//;
 1060:     $printout=~s/\.$//;
 1061:     return $printout;
 1062: }
 1063: #
 1064: # Make one new category
 1065: #
 1066: 
 1067: sub make_new_category {
 1068:     my ($r,$cangrade,$ordernum,%categories)=@_;
 1069:     unless ($cangrade) { return %categories; }
 1070: # Generate new ID
 1071:     my $id=time.'_'.$$.'_'.rand(10000);
 1072: # Add new ID to list of all IDs ever created in this course
 1073:     $categories{'all'}.=','.$id;
 1074:     $categories{'all'}=~s/^\,//;
 1075: # Add new ID to ordered list of displayed and evaluated categories
 1076:     $categories{'order'}.=','.$id;
 1077:     $categories{'order'}=~s/^\,//;
 1078: # Move it into desired space
 1079:     if (defined($ordernum)) {
 1080:         %categories=&move_category($id,$cangrade,$ordernum,%categories);
 1081:     }
 1082:     $categories{$id.'_weight'}=0;
 1083:     $categories{$id.'_totaltype'}='default';
 1084:     $categories{$id.'_displayachieved'}='percent';
 1085:     return %categories;
 1086: }
 1087: 
 1088: 
 1089: # === Calculation Rule Editing
 1090: 
 1091: sub category_rule_codes {
 1092:     return &Apache::lonlocal::texthash(
 1093:                 'droplowperc'  => 'Drop N lowest grade percentage problems/folders',
 1094:                 'drophighperc' => 'Drop N highest grade percentage problems/folderss',
 1095:                 'droplow'  => 'Drop N lowest point problems/folders',
 1096:                 'drophigh' => 'Drop N highest point problems/folders',
 1097:                 'capabove' => 'Cap percentage above N percent',
 1098:                 'capbelow' => 'Cap percentage below N percent');
 1099: }
 1100: 
 1101: sub pretty_prt_rule {
 1102:     my ($cangrade,$id,$code,$value)=@_;
 1103:     my $cid=$id.'_'.$code;
 1104:     my %lt=&category_rule_codes();
 1105:     my $ret='<span class="LC_nobreak">';
 1106:     if ($cangrade) {
 1107:         $ret.='<select name="sel_'.$cid.'">';
 1108:         foreach my $calc (''=>'',sort(keys(%lt))) {
 1109:             $ret.='<option value="'.$calc.'"'.($calc eq $code?' selected="selected"':'').' />'.$lt{$calc}.'</input>';
 1110:         }
 1111:         $ret.='</select> N=<input type="text" size="5" name="val_'.$cid.'" value="'.$value.'" /></span>';
 1112:     } else {
 1113:         $ret.=$lt{$code}.'; N='.$value;
 1114:     }
 1115:     $ret.='</span>';
 1116:     return $ret;
 1117: }
 1118: 
 1119: sub new_calc_rule_form {
 1120:     my ($id)=@_;
 1121:     return '<a href="javascript:storecmd(\'newrule_'.$id.'\');">'.&mt('New Calculation Rule').'</a>';
 1122: }
 1123: 
 1124: #
 1125: # Add a calculation rule
 1126: #
 1127: 
 1128: sub add_calculation_rule {
 1129:     my ($id,$cangrade,$newcontent,%categories)=@_;
 1130:     unless ($cangrade) { return %categories; }
 1131:     my %newcontent=($newcontent => 1);
 1132:     foreach my $current (split(/\,/,$categories{$id.'_calculations'})) {
 1133:         $newcontent{$current}=1;
 1134:     }
 1135:     $categories{$id.'_calculations'}=join(',',sort(keys(%newcontent)));
 1136:     return %categories;
 1137: }
 1138: 
 1139: #
 1140: # Delete a calculation rule
 1141: #
 1142: 
 1143: sub del_calculation_rule {
 1144:     my ($id,$cangrade,$delcontent,%categories)=@_;
 1145:     unless ($cangrade) { return %categories; }
 1146:     my @newcontent=();
 1147:     foreach my $current (split(/\,/,$categories{$id.'_calculations'})) {
 1148:         unless ($current=~/^\Q$delcontent\E\:/) {
 1149:             push(@newcontent,$current);
 1150:         }
 1151:     }
 1152:     $categories{$id.'_calculations'}=join(',',@newcontent);
 1153:     return %categories;
 1154: }
 1155: 
 1156: sub set_category_rules {
 1157:     my ($cangrade,$id,%categories)=@_;
 1158:     unless ($cangrade) { return %categories; }
 1159:     my %lt=&category_rule_codes();
 1160:     my @newrules=();
 1161:     foreach my $code ('',(keys(%lt))) {
 1162:         if ($env{'form.sel_'.$id.'_'.$code}) {
 1163:             push(@newrules,$env{'form.sel_'.$id.'_'.$code}.':'.$env{'form.val_'.$id.'_'.$code});
 1164:         }
 1165:     }
 1166:     $categories{$id.'_calculations'}=join(',',sort(@newrules));
 1167:     return %categories;
 1168: }
 1169: 
 1170: 
 1171: # === Category Editing
 1172: 
 1173: #
 1174: # Add to category content
 1175: #
 1176: 
 1177: sub add_category_content {
 1178:     my ($id,$cangrade,$newcontent,%categories)=@_;
 1179:     unless ($cangrade) { return %categories; }
 1180:     &Apache::lonnet::logthis("In here $newcontent");
 1181:     my %newcontent=($newcontent => 1);
 1182:     foreach my $current (split(/\,/,$categories{$id.'_content'})) {
 1183:         $newcontent{$current}=1;
 1184:     }
 1185:     $categories{$id.'_content'}=join(',',sort(keys(%newcontent)));
 1186:     return %categories;
 1187: }
 1188: 
 1189: #
 1190: # Delete from category content
 1191: #
 1192: 
 1193: sub del_category_content {
 1194:     my ($id,$cangrade,$delcontent,%categories)=@_;
 1195:     unless ($cangrade) { return %categories; }
 1196:     my @newcontent=();
 1197:     foreach my $current (split(/\,/,$categories{$id.'_content'})) {
 1198:         unless ($current eq $delcontent) {
 1199:             push(@newcontent,$current);
 1200:         }
 1201:     }
 1202:     $categories{$id.'_content'}=join(',',@newcontent);
 1203:     return %categories;
 1204: }
 1205: 
 1206: #
 1207: # Delete category
 1208: #
 1209: 
 1210: sub del_category {
 1211:     my ($id,$cangrade,%categories)=@_;
 1212:     unless ($cangrade) { return %categories; }
 1213:     my @neworder=();
 1214:     foreach my $currentid (split(/\,/,$categories{'order'})) {
 1215:         unless ($currentid eq $id) {
 1216:             push(@neworder,$currentid);
 1217:         }
 1218:     }
 1219:     $categories{'order'}=join(',',@neworder);
 1220:     return %categories;
 1221: }
 1222: 
 1223: #
 1224: # Move category up
 1225: #
 1226: 
 1227: sub move_up_category {
 1228:     my ($id,$cangrade,%categories)=@_;
 1229:     my $currentpos=&current_pos_category($id,%categories);
 1230:     if ($currentpos<1) { return %categories; }
 1231:     return &move_category($id,$cangrade,$currentpos-1,%categories);
 1232: }
 1233: 
 1234: #
 1235: # Move category down
 1236: #
 1237: 
 1238: sub move_down_category {
 1239:     my ($id,$cangrade,%categories)=@_;
 1240:     my $currentpos=&current_pos_category($id,%categories);
 1241:     my @order=split(/\,/,$categories{'order'});
 1242:     if ($currentpos>=$#order) { return %categories; }
 1243:     return &move_category($id,$cangrade,$currentpos+1,%categories);
 1244: }
 1245: 
 1246: #
 1247: # Move a category to a desired position n the display order
 1248: #
 1249: 
 1250: sub move_category {
 1251:     my ($id,$cangrade,$ordernum,%categories)=@_;
 1252:     unless ($cangrade) { return %categories; }
 1253:     my @order=split(/\,/,$categories{'order'});
 1254: # Where is the index currently?
 1255:     my $currentpos=&current_pos_category($id,%categories);
 1256:     if (defined($currentpos)) {
 1257:         if ($currentpos<$ordernum) {
 1258: # This is moving to a higher index
 1259: # ....X1234....
 1260: # ....1234X....
 1261:             for (my $i=$currentpos;$i<$ordernum;$i++) {
 1262:                 $order[$i]=$order[$i+1];
 1263:             }
 1264:             $order[$ordernum]=$id;
 1265:         }
 1266:         if ($currentpos>$ordernum) {
 1267: # This is moving to a lower index
 1268: # ....1234X....
 1269: # ....X1234....
 1270:             for (my $i=$currentpos;$i>$ordernum;$i--) {
 1271:                 $order[$i]=$order[$i-1];
 1272:             }
 1273:             $order[$ordernum]=$id;
 1274:         }
 1275:     }
 1276:     $categories{'order'}=join(',',@order);
 1277:     return %categories;
 1278: }
 1279: 
 1280: #
 1281: #  Find current postion of a category in the order
 1282: #
 1283: 
 1284: sub current_pos_category {
 1285:     my ($id,%categories)=@_;
 1286:     my @order=split(/\,/,$categories{'order'});
 1287:     for (my $i=0;$i<=$#order;$i++) {
 1288:         if ($order[$i] eq $id) { return $i; }
 1289:     }
 1290: # not found
 1291:     return undef;
 1292: }
 1293: 
 1294: #
 1295: # Set name of a category
 1296: #
 1297: sub set_category_name {
 1298:     my ($cangrade,$id,$name,%categories)=@_;
 1299:     unless ($cangrade) { return %categories; }
 1300:     $categories{$id.'_name'}=$name;
 1301:     return %categories;
 1302: }
 1303: 
 1304: #
 1305: # Set total of a category
 1306: #
 1307: sub set_category_total {
 1308:     my ($cangrade,$id,$totaltype,$total,%categories)=@_;
 1309:     unless ($cangrade) { return %categories; }
 1310:     if (($categories{$id.'_total'} eq '') && ($total=~/\d/)) {
 1311:         $totaltype='typein';
 1312:     }
 1313:     $categories{$id.'_totaltype'}=$totaltype;
 1314:     if ($totaltype eq 'default') {
 1315:         $categories{$id.'_total'}='';
 1316:     } else {
 1317:         $total=~s/\D//gs;
 1318:         unless ($total) { $total=0; }
 1319:         $categories{$id.'_total'}=$total;
 1320:     }
 1321:     return %categories;
 1322: }
 1323: 
 1324: sub set_category_weight {
 1325:     my ($cangrade,$id,$weight,%categories)=@_;
 1326:     unless ($cangrade) { return %categories; }
 1327:     $weight=~s/\D//gs;
 1328:     unless ($weight) { $weight=0; }
 1329:     $categories{$id.'_weight'}=$weight;
 1330:     return %categories;
 1331: }
 1332: 
 1333: sub set_category_displayachieved {
 1334:     my ($cangrade,$id,$value,%categories)=@_;
 1335:     unless ($cangrade) { return %categories; }
 1336:     unless (($value eq 'percent') || ($value eq 'points')) { $value='percent'; }
 1337:     $categories{$id.'_displayachieved'}=$value;
 1338:     return %categories;
 1339: }
 1340: 
 1341: 
 1342: #
 1343: # === end category-related
 1344: #
 1345: #
 1346: # Pass this two refs to arrays for the start and end color, and a number
 1347: # from 0 to 1 for how much of the latter you want to mix in. It will
 1348: # return a string ready to show ("#FFC309");
 1349: 
 1350: sub mixColors {
 1351:     my $start = shift;
 1352:     my $end = shift;
 1353:     my $ratio = shift;
 1354:     
 1355:     my ($a,$b);
 1356:     my $final = "";
 1357:     $a = $start->[0]; $b = $end->[0];
 1358:     my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
 1359:     $a = $start->[1]; $b = $end->[1];
 1360:     my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
 1361:     $a = $start->[2]; $b = $end->[2];
 1362:     my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
 1363: 
 1364:     $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
 1365:     return "#" . $final;
 1366: }
 1367: 
 1368: 1;

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