Annotation of loncom/interface/lonquickgrades.pm, revision 1.90
1.1 bowersj2 1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
1.90 ! www 4: # $Id: lonquickgrades.pm,v 1.89 2011/05/24 17:17:24 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;
32: use Apache::Constants qw(:common :http);
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 $r = shift;
1.1 bowersj2 46:
47: &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
48:
49: # Handle header-only request
1.40 albertel 50: if ($env{'browser.mathml'}) {
51: &Apache::loncommon::content_type($r,'text/xml');
52: } else {
53: &Apache::loncommon::content_type($r,'text/html');
54: }
1.1 bowersj2 55: if ($r->header_only) {
1.40 albertel 56: $r->send_http_header;
1.1 bowersj2 57: return OK;
58: }
59:
60: # Send header, don't cache this page
61: &Apache::loncommon::no_cache($r);
62: $r->send_http_header;
63:
1.55 www 64: my $showPoints =
1.83 www 65: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard')
66: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
1.55 www 67: my $notshowSPRSlink =
1.49 www 68: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
69: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
70: my $notshowTotals=
71: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
1.50 www 72: my $showCategories=
73: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
74:
1.17 bowersj2 75:
1.47 schafran 76: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
1.46 raeburn 77: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
78: $r->print(&Apache::loncommon::start_page($title,undef,
79: {'bread_crumbs' => $brcrum})
80: );
1.1 bowersj2 81:
1.55 www 82: &startGradeScreen($r,'quick');
1.17 bowersj2 83:
1.74 www 84: my $cangrade=&Apache::lonnet::allowed('mgr');
85: #
86: # Pick student
87: #
1.54 www 88: my $uname;
89: my $udom;
1.74 www 90: my $stdid;
91: if ($cangrade) {
92: if ($env{'form.uname'}) { $uname=$env{'form.uname'}; }
93: if ($env{'form.udom'}) { $udom=$env{'form.udom'}; }
94: if ($env{'form.id'}) { $stdid=$env{'form.id'}; }
95: if (($stdid) && ($udom)) {
96: $uname=(&Apache::lonnet::idget($udom,$stdid))[1];
97: }
1.75 www 98: if (($stdid) && (!$uname)) {
99: $r->print('<p><span class="LC_warning">'.&mt("Unknown Student/Employee ID: [_1]",$stdid).'</span></p>');
100: $stdid='';
101: }
1.74 www 102: $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
103: my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
104: &Apache::loncommon::selectstudent_link('quickform','uname','udom');
105: $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
106: $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
107: ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
108: ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
109: ,$chooseopt).'<br />'.
110: '<input type="submit" name="display" value="'.&mt('Update Display').'" /></p>');
1.75 www 111: if (($uname) && ($udom)) {
112: $r->print('<p>'.&mt('Full Name: [_1]',&Apache::loncommon::plainname($uname,$udom)).'</p>');
113: }
1.74 www 114: }
115: $r->rflush();
1.53 www 116:
117: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=
118: &getData($showPoints,$uname,$udom);
119:
120: if ($showCategories) {
121: &outputCategories($r,$showPoints,$notshowTotals,
122: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
123: } else {
124: &outputTable($r,$showPoints,$notshowTotals,
1.51 www 125: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
1.53 www 126: }
1.74 www 127: if ($cangrade) { $r->print("\n</form>\n"); }
1.55 www 128: &endGradeScreen($r);
1.51 www 129: return OK;
130:
131: }
1.2 bowersj2 132:
1.55 www 133: sub startGradeScreen {
134: my ($r,$mode)=@_;
135:
136: my $showPoints =
137: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
138: my $notshowSPRSlink =
139: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
140: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals')
141: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories'));
142: my $notshowTotals=
143: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
144: my $showCategories=
145: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'categories';
146:
147: my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
148: my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
149:
150: if ($allowed_to_view) {
1.61 raeburn 151: my @notes;
152: push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
153: push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
154: push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
155: push(@notes,&mt('Students will see points based on categories.')) if ($showCategories);
156: push(@notes, &Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
157: $r->print(&Apache::loncommon::head_subbox(join(' ',@notes)));
1.55 www 158: }
159:
160:
1.56 www 161: $r->print("\n".'<ul class="LC_TabContentBigger" id="main">');
1.57 www 162: $r->print("\n".'<li'.($mode eq 'quick'?' class="active"':'').'><a href="/adm/quickgrades"><b> '.
1.62 www 163: ($showPoints?&mt('Individual Points Overview'):($showCategories?&mt('Grades Overview'):&mt('Completion Overview'))).
1.57 www 164: ' </b></a></li>');
1.55 www 165:
166: if (!($showPoints || $notshowSPRSlink) || ($allowed_to_view)) {
1.56 www 167: $r->print("\n".'<li'.($mode eq 'spreadsheet'?' class="active"':'').'><a href="/adm/'.($allowed_to_view?'classcalc':'studentcalc').'"><b>'.
1.57 www 168: &mt('Spreadsheet (Detailed)').'</b></a></li>');
1.55 www 169: }
1.58 www 170: if ($allowed_to_view) {
1.63 www 171: $r->print("\n".'<li'.($mode eq 'statistics'?' class="active"':'').'><a href="/adm/statistics"><b>'.
172: &mt('Statistics and Reports').'</b></a></li>');
173:
1.58 www 174: $r->print("\n".'<li'.($mode eq 'chart'?' class="active"':'').'><a href="/adm/statistics?reportSelected=student_assessment"><b>'.
175: &mt('Assessment Overview Chart').'</b></a></li>');
176:
177: }
1.59 www 178: if ($allowed_to_edit) {
179: $r->print("\n".'<li'.($mode eq 'grading'?' class="active"':'').'><a href="/adm/grades"><b> '.
1.66 www 180: &mt('Content Grading').' </b></a></li>');
181: if ($env{'form.symb'}) {
182: $r->print("\n".'<li'.($mode eq 'probgrading'?' class="active"':'').'><a href="/adm/grades?symb='.
183: &Apache::lonhtmlcommon::entity_encode($env{'form.symb'}).
184: '&command=gradingmenu"><b> '.
185: &mt('Problem Grading').' </b></a></li>');
186:
187: }
1.59 www 188: }
1.56 www 189: $r->print("\n".'</ul>'."\n");
1.55 www 190: $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
191: }
192:
193: sub endGradeScreen {
194: my ($r)=@_;
1.72 www 195: $r->print('</div></div></div>'.&Apache::loncommon::end_page());
1.55 www 196: }
197:
198:
1.51 www 199: sub getData {
200:
1.53 www 201: my ($showPoints,$uname,$udom)=@_;
202:
1.51 www 203: # Create the nav map
1.53 www 204: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
1.51 www 205:
206: my $res = $navmap->firstResource(); # temp resource to access constants
1.1 bowersj2 207:
208: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
209: my $depth = 1;
210: $iterator->next(); # ignore first BEGIN_MAP
211: my $curRes = $iterator->next();
1.4 bowersj2 212:
1.5 bowersj2 213: # General overview of the following: Walk along the course resources.
214: # For every problem in the resource, tell its parent maps how many
215: # parts and how many parts correct it has. After that, each map will
216: # have a count of the total parts underneath it, correct and otherwise.
217: # After that, we will walk through the course again and read off
218: # maps in order, with their data.
219: # (If in the future people decide not to be cumulative, only add
220: # the counts to the parent map.)
1.17 bowersj2 221: # For convenience, "totalParts" is also "totalPoints" when we're looking
222: # at points; I can't come up with a variable name that makes sense
223: # equally for both cases.
1.5 bowersj2 224:
225: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
1.28 bowersj2 226: my $totalAttempted = 0;
1.14 bowersj2 227: my $now = time();
1.28 bowersj2 228: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
1.5 bowersj2 229:
230: # Pre-run: Count parts correct
1.1 bowersj2 231: while ( $depth > 0 ) {
232: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
233: if ($curRes == $iterator->END_MAP()) { $depth--; }
234:
1.7 bowersj2 235: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
1.5 bowersj2 236: {
237: # Get number of correct, incorrect parts
238: my $parts = $curRes->parts();
239: my $partsRight = 0;
1.17 bowersj2 240: my $partsCount = 0;
1.28 bowersj2 241: my $partsAttempted = 0;
1.5 bowersj2 242: my $stack = $iterator->getStack();
243:
244: for my $part (@{$parts}) {
1.28 bowersj2 245: my $completionStatus = $curRes->getCompletionStatus($part);
246: my $dateStatus = $curRes->getDateStatus($part);
247:
248: if ($completionStatus == $curRes->EXCUSED()) {
1.21 matthew 249: next;
250: }
1.17 bowersj2 251: if ($showPoints) {
1.28 bowersj2 252: my $score = 0;
253: # If we're not telling status and the answer date isn't passed yet,
254: # it's an "attempted" point
1.42 raeburn 255: if ((($curRes->problemstatus($part) eq 'no') ||
256: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
1.28 bowersj2 257: ($dateStatus != $curRes->ANSWER_OPEN)) {
1.31 albertel 258: my $status = $curRes->simpleStatus($part);
259: if ($status == $curRes->ATTEMPTED) {
260: $partsAttempted += $curRes->weight($part);
261: $totalAttempted += $partsAttempted;
262: }
1.28 bowersj2 263: } else {
1.39 albertel 264: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
1.28 bowersj2 265: }
1.17 bowersj2 266: $partsRight += $score;
267: $totalRight += $score;
1.19 bowersj2 268: $partsCount += $curRes->weight($part);
1.18 bowersj2 269:
1.83 www 270: $curRes->{DATA}->{PROB_SCORE} += $score;
271: $curRes->{DATA}->{PROB_WEIGHT} += $curRes->weight($part);
272:
1.17 bowersj2 273: if ($curRes->opendate($part) < $now) {
1.20 bowersj2 274: $totalPossible += $curRes->weight($part);
1.83 www 275: $curRes->{DATA}->{PROB_POSSIBLE} += $curRes->weight($part);
1.17 bowersj2 276: }
1.19 bowersj2 277: $totalParts += $curRes->weight($part);
1.17 bowersj2 278: } else {
1.27 bowersj2 279: my $status = $curRes->simpleStatus($part);
1.17 bowersj2 280: my $thisright = 0;
281: $partsCount++;
1.37 albertel 282: if ($status == $curRes->CORRECT ||
283: $status == $curRes->PARTIALLY_CORRECT ) {
1.17 bowersj2 284: $partsRight++;
285: $totalRight++;
286: $thisright = 1;
287: }
1.28 bowersj2 288:
289: if ($status == $curRes->ATTEMPTED) {
290: $partsAttempted++;
291: $totalAttempted++;
292: }
1.17 bowersj2 293:
294: my $dateStatus = $curRes->getDateStatus($part);
1.19 bowersj2 295: $totalParts++;
1.17 bowersj2 296: if ($curRes->opendate($part) < $now) {
297: $totalPossible++;
298: }
299: }
1.5 bowersj2 300: }
1.15 bowersj2 301:
302: if ($depth == 1) { # in top-level only
1.19 bowersj2 303: $topLevelParts += $partsCount;
1.15 bowersj2 304: $topLevelRight += $partsRight;
1.28 bowersj2 305: $topLevelAttempted += $partsAttempted;
1.15 bowersj2 306: }
307:
1.5 bowersj2 308: # Crawl down stack and record parts correct and total
309: for my $res (@{$stack}) {
310: if (ref($res) && $res->is_map()) {
311: if (!defined($res->{DATA}->{CHILD_PARTS})) {
312: $res->{DATA}->{CHILD_PARTS} = 0;
313: $res->{DATA}->{CHILD_CORRECT} = 0;
1.28 bowersj2 314: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
1.5 bowersj2 315: }
316:
1.17 bowersj2 317: $res->{DATA}->{CHILD_PARTS} += $partsCount;
1.5 bowersj2 318: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
1.28 bowersj2 319: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
1.5 bowersj2 320: }
321: }
322: }
323: $curRes = $iterator->next();
324: }
1.51 www 325: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted);
326: }
327:
328: #
329: # Outputting everything.
330: #
331:
332: sub outputTable {
1.5 bowersj2 333:
1.51 www 334: my ($r,$showPoints,$notshowTotals,
335: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
1.5 bowersj2 336:
1.7 bowersj2 337: my @start = (255, 255, 192);
1.5 bowersj2 338: my @end = (0, 192, 0);
339:
340: my $indentString = ' ';
341:
342: # Second pass: Print the maps.
1.43 bisitz 343: $r->print(&Apache::loncommon::start_data_table()
344: .&Apache::loncommon::start_data_table_header_row()
345: .'<th>'.&mt('Folder').'</th>');
1.51 www 346: my $title = &mt($showPoints ? "Points Scored" : "Done");
1.28 bowersj2 347: if ($totalAttempted) {
1.51 www 348: $title .= " / " . &mt("Attempted");
1.28 bowersj2 349: }
1.49 www 350: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
1.43 bisitz 351: .&Apache::loncommon::end_data_table_header_row());
1.51 www 352: #
353: # Output of folder scores
354: #
355:
356: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
357: my $depth = 1;
358: $iterator->next(); # ignore first BEGIN_MAP
359: my $curRes = $iterator->next();
360:
1.5 bowersj2 361: while ($depth > 0) {
362: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
363: if ($curRes == $iterator->END_MAP()) { $depth--; }
364:
365: if (ref($curRes) && $curRes->is_map()) {
366: my $title = $curRes->compTitle();
367:
368: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
369: my $total = $curRes->{DATA}->{CHILD_PARTS};
1.28 bowersj2 370: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
1.5 bowersj2 371:
1.6 bowersj2 372: if ($total > 0) {
373: my $ratio;
374: $ratio = $correct / $total;
1.51 www 375: my $color = &mixColors(\@start, \@end, $ratio);
1.43 bisitz 376: $r->print(&Apache::loncommon::start_data_table_row()
377: .'<td style="background-color:'.$color.';">');
1.6 bowersj2 378:
1.15 bowersj2 379: my $thisIndent = '';
380: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
1.6 bowersj2 381:
1.15 bowersj2 382: $r->print("$thisIndent$title</td>");
1.28 bowersj2 383: if ($totalAttempted) {
1.45 bisitz 384: $r->print('<td valign="top">'
385: .$thisIndent
386: .'<span class="LC_nobreak">'
1.49 www 387: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
1.45 bisitz 388: .'</span></td>'
389: .&Apache::loncommon::end_data_table_row()
390: );
1.28 bowersj2 391: } else {
1.45 bisitz 392: $r->print('<td valign="top">'
393: .$thisIndent
394: .'<span class="LC_nobreak">'
1.49 www 395: .$correct.($notshowTotals?'':' / '.$total)
1.45 bisitz 396: .'</span></td>'
1.43 bisitz 397: .&Apache::loncommon::end_data_table_row());
1.28 bowersj2 398: }
1.6 bowersj2 399: }
1.5 bowersj2 400: }
1.4 bowersj2 401:
1.5 bowersj2 402: $curRes = $iterator->next();
403: }
1.4 bowersj2 404:
1.6 bowersj2 405: # If there were any problems at the top level, print an extra "catchall"
1.15 bowersj2 406: if ($topLevelParts > 0) {
407: my $ratio = $topLevelRight / $topLevelParts;
1.68 www 408: my $color = &mixColors(\@start, \@end, $ratio);
1.43 bisitz 409: $r->print(&Apache::loncommon::start_data_table_row()
410: .'<td style="background-color:'.$color.';">');
1.25 www 411: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
1.43 bisitz 412: $r->print("$topLevelRight / $topLevelParts</td>"
413: .&Apache::loncommon::end_data_table_row());
1.6 bowersj2 414: }
1.4 bowersj2 415:
1.51 www 416: #
417: # show totals (if applicable), close table
418: #
1.35 albertel 419: if ($showPoints) {
1.68 www 420: my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
1.2 bowersj2 421:
1.51 www 422: $title = $showPoints ? "Points" : "Parts Done";
423: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
424: $r->print(&Apache::loncommon::start_data_table_row()
1.48 bisitz 425: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
1.51 www 426: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
427: $title = $showPoints ? "Points" : "Parts";
428: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
1.43 bisitz 429: .&Apache::loncommon::end_data_table_row());
1.34 www 430: }
1.1 bowersj2 431:
1.72 www 432: $r->print(&Apache::loncommon::end_data_table());
1.5 bowersj2 433: }
434:
1.53 www 435: #
1.65 www 436: # === Outputting category-based grades.
437: #
438: # $category{'order'}: output order of categories by id
439: # $category{'all'}: complete list of all categories
440: # $category{$id.'_name'}: display-name of category
1.53 www 441: #
442:
443: sub outputCategories {
444:
445: my ($r,$showPoints,$notshowTotals,
446: $navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
1.62 www 447: # Take care of storing and retrieving categories
448:
1.64 www 449: my $cangrade=&Apache::lonnet::allowed('mgr');
450:
1.62 www 451: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
452: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.64 www 453: my %categories=();
1.65 www 454: # Loading old categories
455: %categories=&Apache::lonnet::dump('grading_categories',$cdom,$cnum);
1.64 www 456: # Storing
1.72 www 457: if (($cangrade) && (($env{'form.storechanges'}) || ($env{'form.storemove'} ne '') || ($env{'form.cmd'} ne ''))) {
1.65 www 458: # Process the changes
459: %categories=&process_category_edits($r,$cangrade,%categories);
1.64 www 460: # Actually store
461: &Apache::lonnet::put('grading_categories',\%categories,$cdom,$cnum);
462: }
1.65 www 463: # new categories loaded now
464: &output_category_table($r,$cangrade,$navmap,%categories);
465: #
466: if ($cangrade) {
1.84 www 467: $r->print(&Apache::loncommon::resourcebrowser_javascript().
468: '<input type="hidden" name="storemove" value="" />'.
1.72 www 469: '<input type="hidden" name="cmd" value="" />'.
1.86 www 470: '<input type="hidden" name="resourcesymb" value="" />'.
1.72 www 471: '<input type="submit" name="storechanges" value="'.&mt("Save changes to grading categories").'" />'.
1.74 www 472: '<script>function storecmd (cmd) { document.quickform.cmd.value=cmd; document.quickform.submit(); }</script>');
1.65 www 473: }
1.82 www 474: #
475: # Debug
476: #
477: # my %data=&dumpdata($navmap);
478: # foreach (keys(%data)) {
479: # $r->print("\n<br />".$_.'='.$data{$_});
1.83 www 480: # }
1.82 www 481: }
482:
483: #
484: # Get data for all symbs
485: #
486:
487: sub dumpdata {
488: my ($navmap)=@_;
489: my %returndata=();
490:
491: # Run through the map and get all data
492:
493: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
494: my $depth = 1;
495: $iterator->next(); # ignore first BEGIN_MAP
496: my $curRes = $iterator->next();
497:
498: while ($depth > 0) {
499: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
500: if ($curRes == $iterator->END_MAP()) { $depth--; }
1.83 www 501: if (ref($curRes)) {
502: if ($curRes->is_map()) {
503: $returndata{$curRes->symb()}='folder:'.$curRes->{DATA}->{CHILD_PARTS}.':'.$curRes->{DATA}->{CHILD_ATTEMPTED}.':'.$curRes->{DATA}->{CHILD_CORRECT};
504: } else {
505: $returndata{$curRes->symb()}='res:'.$curRes->{DATA}->{PROB_WEIGHT}.':'.$curRes->{DATA}->{PROB_POSSIBLE}.':'.$curRes->{DATA}->{PROB_SCORE};
506: }
1.82 www 507: }
508: $curRes = $iterator->next();
509: }
510: return %returndata;
1.65 www 511: }
512:
513: #
514: # Process editing commands, update category hash
515: #
516:
517: sub process_category_edits {
518: my ($r,$cangrade,%categories)=@_;
519: unless ($cangrade) { return %categories; }
1.72 www 520: # First store everything
521: foreach my $id (split(/\,/,$categories{'order'})) {
1.80 www 522: # Set names, types, and weight (there is only one of each per category)
1.72 www 523: %categories=&set_category_name($cangrade,$id,$env{'form.name_'.$id},%categories);
524: %categories=&set_category_total($cangrade,$id,$env{'form.totaltype_'.$id},$env{'form.total_'.$id},%categories);
525: %categories=&set_category_weight($cangrade,$id,$env{'form.weight_'.$id},%categories);
1.81 www 526: %categories=&set_category_displayachieved($cangrade,$id,$env{'form.displayachieved_'.$id},%categories);
1.80 www 527: # Set values for category rules (before names may change)
528: %categories=&set_category_rules($cangrade,$id,%categories);
1.72 www 529: }
530:
531: # Now deal with commands
1.67 www 532: my $cmd=$env{'form.cmd'};
533: if ($cmd eq 'createnewcat') {
1.69 www 534: %categories=&make_new_category($r,$cangrade,undef,%categories);
1.72 www 535: } elsif ($cmd=~/^up\_(.+)$/) {
536: %categories=&move_up_category($1,$cangrade,%categories);
537: } elsif ($cmd=~/^down\_(.+)$/) {
538: %categories=&move_down_category($1,$cangrade,%categories);
1.69 www 539: } elsif ($cmd=~/^delcat\_(.+)$/) {
540: %categories=&del_category($1,$cangrade,%categories);
1.75 www 541: } elsif ($cmd=~/^addcont\_(.+)$/) {
1.87 www 542: %categories=&add_category_content($1,$cangrade,$env{'form.resourcesymb'},%categories);
1.75 www 543: } elsif ($cmd=~/^delcont\_(.+)\_\_\_\_\_\_(.+)$/) {
544: %categories=&del_category_content($1,$cangrade,$2,%categories);
1.77 www 545: } elsif ($cmd=~/^newrule\_(.+)$/) {
546: %categories=&add_calculation_rule($1,$cangrade,':',%categories);
1.79 www 547: } elsif ($cmd=~/^delrule\_(.+)\_\_\_\_\_\_(.*)$/) {
548: %categories=&del_calculation_rule($1,$cangrade,$2,%categories);
1.73 www 549: }
550: # Move to a new position
551: my $moveid=$env{'form.storemove'};
552: if ($moveid) {
553: %categories=&move_category($moveid,$cangrade,$env{'form.newpos_'.$moveid},%categories);
1.72 www 554: }
1.65 www 555: return %categories;
556: }
557:
558: #
559: # Output the table
560: #
561:
562: sub output_category_table {
563: my ($r,$cangrade,$navmaps,%categories)=@_;
564: my $sum=0;
1.67 www 565: my $total=0;
1.65 www 566: $r->print(&Apache::loncommon::start_data_table());
567: #
568: &output_category_table_header($r,$cangrade);
569: #
570: my @order=split(/\,/,$categories{'order'});
571: #
1.88 www 572: my %performance=&dumpdata($navmaps);
1.65 www 573: my $maxpos=$#order;
574: for (my $i=0;$i<=$maxpos;$i++) {
1.89 www 575: my ($value,$weight)=&output_and_calc_category($r,$cangrade,$navmaps,$order[$i],$i,$maxpos,\%performance,1,%categories);
1.67 www 576: $sum+=$value*$weight;
577: $total+=$weight;
1.65 www 578: }
579: #
1.67 www 580: &bottom_line_category($r,$cangrade,$sum,$total);
1.65 www 581: #
582: $r->print(&Apache::loncommon::end_data_table());
583: return $sum;
584: }
585:
586: sub output_category_table_header {
587: my ($r,$cangrade)=@_;
588: $r->print(&Apache::loncommon::start_data_table_header_row());
589: if ($cangrade) {
590: $r->print('<th colspan="2">'.&mt("Move").'</th><th>'.&mt('Action').'</th>');
591: }
592: $r->print('<th>'.&mt('Category').'</th>'.
593: '<th>'.&mt('Contents').'</th>'.
1.81 www 594: '<th>'.&mt('Total Points').'</th>'.
1.65 www 595: '<th>'.&mt('Calculation').'</th>'.
1.81 www 596: '<th>'.&mt('Relative Weight').'</th>'.
597: '<th>'.&mt('Achieved').'</th>');
1.65 www 598: $r->print(&Apache::loncommon::end_data_table_header_row());
599: }
600:
601:
602: #
603: # Output one category to table
604: #
605:
606: sub output_and_calc_category {
1.89 www 607: my ($r,$cangrade,$navmaps,$id,$currentpos,$maxpos,$performance,$output,%categories)=@_;
1.65 www 608: my $value=0;
609: my $weight=0;
610: my $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
611: my %lt=&Apache::lonlocal::texthash(
612: 'up' => 'Move Up',
613: 'dw' => 'Move Down');
1.89 www 614: if ($output) { $r->print("\n".&Apache::loncommon::start_data_table_row()); }
1.65 www 615:
1.89 www 616: if ($output && $cangrade) {
1.65 www 617: $r->print(<<ENDMOVE);
618: <td>
619: <div class="LC_docs_entry_move">
1.72 www 620: <a href='javascript:storecmd("up_$id");'>
1.65 www 621: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" />
622: </a>
623: </div>
624: <div class="LC_docs_entry_move">
1.72 www 625: <a href='javascript:storecmd("down_$id");'>
1.65 www 626: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" />
627: </a>
628: </div>
629: </td>
630: ENDMOVE
631: $r->print("\n<td>\n<select name='newpos_$id' onchange='this.form.storemove.value=\"$id\";this.form.submit()'>");
632: for (my $i=0;$i<=$maxpos;$i++) {
633: if ($i==$currentpos) {
634: $r->print('<option value="" selected="selected">('.$i.')</option>');
635: } else {
636: $r->print('<option value="'.$i.'">'.$i.'</option>');
637: }
638: }
639: $r->print("\n</select>\n</td>\n");
1.72 www 640: $r->print('<td><a href="javascript:storecmd(\'delcat_'.$id.'\');">'.&mt('Delete').'</a></td>');
1.69 www 641: $r->print('<td><input type="text" name="name_'.$id.
642: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_name'}).'" /></td>');
1.89 www 643: } elsif ($output) {
1.69 www 644: $r->print('<td>'.$categories{$id.'_name'}.'</td>');
1.65 www 645: }
1.89 www 646: # Content display and summing up of points
647: my $totalpossible=0;
648: my $totalcorrect=0;
649: if ($output) { $r->print('<td><ul>'); }
1.75 www 650: foreach my $contentid (split(/\,/,$categories{$id.'_content'})) {
1.89 www 651: my ($type,$possible,$attempted,$correct)=split(/\:/,$$performance{$contentid});
652: $totalpossible+=$possible;
653: $totalcorrect+=$correct;
654: if ($output) {
655: $r->print('<li>');
656: $r->print(&Apache::lonnet::gettitle($contentid).' ('.$correct.'/'.$possible.')');
657: if ($cangrade) {
658: $r->print(' <a href="javascript:storecmd(\'delcont_'.$id.'______'.$contentid.'\');">'.&mt('Delete').'</a>');
659: }
660: $r->print('</li>');
1.75 www 661: }
662: }
1.89 www 663: if ($output) {
664: $r->print('</ul>');
665: $r->print('<p>'.&mt('Total raw points: [_1]/[_2]',$totalcorrect,$totalpossible).'</p>');
666: if ($cangrade) {
667: $r->print('<br />'.&Apache::loncommon::selectresource_link('quickform','addcont_'.$id,&mt('Add Problem or Folder')).'<br />');
668: }
669: $r->print('</td>');
1.70 www 670: }
1.81 www 671: # Total
1.90 ! www 672: if ($output) { $r->print('<td>'); }
1.81 www 673: if ($cangrade) {
1.89 www 674: if ($output) {
1.90 ! www 675: $r->print(
1.81 www 676: '<select name="totaltype_'.$id.'">'.
677: '<option value="default"'.($categories{$id.'_totaltype'} eq 'default'?' selected="selected"':'').'>'.&mt('default').'</option>'.
678: '<option value="typein"'.($categories{$id.'_totaltype'} eq 'typein'?' selected="selected"':'').'>'.&mt('Type-in value').'</option>'.
679: '</select>'.
680: '<input type="text" size="4" name="total_'.$id.
1.90 ! www 681: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_total'}).'" />');
1.89 www 682: }
1.81 www 683: } else {
1.89 www 684: if ($output) {
1.90 ! www 685: $r->print('<td>'.($categories{$id.'_totaltype'} eq 'default'?&mt('default'):$categories{$id.'_total'}));
1.89 www 686: }
1.81 www 687: }
1.90 ! www 688: # Adjust total points
! 689: if ($categories{$id.'_totaltype'} eq 'typein') {
! 690: $totalpossible=1.*$categories{$id.'_total'};
! 691: }
! 692: if ($output) {
! 693: $r->print('<p>'.&mt('Adjusted raw points: [_1]/[_2]',$totalcorrect,$totalpossible).'</p>');
! 694: }
1.81 www 695:
696:
1.70 www 697: # Calculation
1.89 www 698: if ($output) { $r->print('<td><ul>'); }
1.76 www 699: foreach my $calcrule (split(/\,/,$categories{$id.'_calculations'})) {
1.89 www 700: if ($output) { $r->print('<li>'); }
1.78 www 701: my ($code,$value)=split(/\:/,$calcrule);
1.89 www 702: if ($output) { $r->print(&pretty_prt_rule($cangrade,$id,$code,$value)); }
1.76 www 703: if ($cangrade) {
1.89 www 704: if ($output) { $r->print(' <a href="javascript:storecmd(\'delrule_'.$id.'______'.$code.'\');">'.&mt('Delete').'</a>'); }
1.76 www 705: }
1.89 www 706: if ($output) { $r->print('</li>'); }
1.76 www 707: }
1.89 www 708: if ($output) { $r->print('</ul>'); }
1.70 www 709: if ($cangrade) {
1.89 www 710: if ($output) { $r->print('<br />'.&new_calc_rule_form($id)); }
1.70 www 711: }
1.89 www 712: if ($output) { $r->print('</td>'); }
1.76 www 713:
1.70 www 714: # Weight
715: if ($cangrade) {
1.89 www 716: if ($output) {
717: $r->print('<td>'.
1.70 www 718: '<input type="text" size="4" name="weight_'.$id.
719: '" value="'.&Apache::lonhtmlcommon::entity_encode($categories{$id.'_weight'}).'" /></td>');
1.89 www 720: }
1.70 www 721: } else {
1.89 www 722: if ($output) {
723: $r->print('<td>'.$categories{$id.'_weight'}.'</td>');
724: }
1.70 www 725: }
1.81 www 726: # Achieved
1.89 www 727: if ($output) { $r->print('<td>'); }
1.81 www 728: if ($cangrade) {
1.89 www 729: if ($output) {
730: $r->print('<select name="displayachieved_'.$id.'">'.
1.81 www 731: '<option value="percent"'.($categories{$id.'_displayachieved'} eq 'percent'?' selected="selected"':'').'>'.&mt('percent').'</option>'.
732: '<option value="points"'.($categories{$id.'_displayachieved'} eq 'points'?' selected="selected"':'').'>'.&mt('points').'</option>'.
733: '</select>');
1.89 www 734: }
1.81 www 735: } else {
1.89 www 736: if ($output) {
737: if ($categories{$id.'_displayachieved'} eq 'percent') {
738: $r->print(&mt('percent'));
739: } else {
740: $r->print(&mt('points'));
741: }
1.81 www 742: }
743: }
1.89 www 744: if ($output) { $r->print('</td>'); }
1.70 www 745:
1.65 www 746: return ($value,$weight);
747: }
748:
749: #
750: # Bottom line with grades
751: #
752:
753: sub bottom_line_category {
1.67 www 754: my ($r,$cangrade,$sum,$total)=@_;
755: $r->print(&Apache::loncommon::start_data_table_row());
756: if ($cangrade) {
1.72 www 757: $r->print('<td colspan="3"><a href="javascript:storecmd(\'createnewcat\');">'.&mt('Create New Category').'</a></td>');
1.67 www 758: }
1.81 www 759: $r->print('<td colspan="6">'.&mt('Current:').$sum.'<br />'.&mt('Total:').$total.'<br /></td>');
1.65 www 760: }
761:
762: #
763: # Make one new category
764: #
765:
766: sub make_new_category {
767: my ($r,$cangrade,$ordernum,%categories)=@_;
768: unless ($cangrade) { return %categories; }
769: # Generate new ID
770: my $id=time.'_'.$$.'_'.rand(10000);
771: # Add new ID to list of all IDs ever created in this course
772: $categories{'all'}.=','.$id;
773: $categories{'all'}=~s/^\,//;
774: # Add new ID to ordered list of displayed and evaluated categories
775: $categories{'order'}.=','.$id;
776: $categories{'order'}=~s/^\,//;
777: # Move it into desired space
778: if (defined($ordernum)) {
779: %categories=&move_category($id,$cangrade,$ordernum,%categories);
780: }
1.71 www 781: $categories{$id.'_weight'}=0;
782: $categories{$id.'_totaltype'}='default';
1.81 www 783: $categories{$id.'_displayachieved'}='percent';
1.65 www 784: return %categories;
1.53 www 785: }
786:
1.76 www 787:
788: # === Calculation Rule Editing
789:
1.80 www 790: sub category_rule_codes {
791: return &Apache::lonlocal::texthash(
1.78 www 792: 'droplow' => 'Drop N lowest grade assignments',
793: 'drophigh' => 'Drop N highest grade assignments',
794: 'capabove' => 'Cap percentage above N percent',
795: 'capbelow' => 'Cap percentage below N percent');
1.80 www 796: }
797:
798: sub pretty_prt_rule {
799: my ($cangrade,$id,$code,$value)=@_;
800: my $cid=$id.'_'.$code;
801: my %lt=&category_rule_codes();
1.78 www 802: my $ret='<span class="LC_nobreak">';
803: if ($cangrade) {
804: $ret.='<select name="sel_'.$cid.'">';
805: foreach my $calc (''=>'',sort(keys(%lt))) {
806: $ret.='<option value="'.$calc.'"'.($calc eq $code?' selected="selected"':'').' />'.$lt{$calc}.'</input>';
807: }
1.80 www 808: $ret.='</select> N=<input type="text" size="5" name="val_'.$cid.'" value="'.$value.'" /></span>';
1.78 www 809: } else {
810: $ret.=$lt{$code}.'; N='.$value;
811: }
812: $ret.='</span>';
813: return $ret;
1.76 www 814: }
815:
816: sub new_calc_rule_form {
1.77 www 817: my ($id)=@_;
818: return '<a href="javascript:storecmd(\'newrule_'.$id.'\');">'.&mt('New Calculation Rule').'</a>';
1.76 www 819: }
820:
821: #
822: # Add a calculation rule
823: #
824:
825: sub add_calculation_rule {
826: my ($id,$cangrade,$newcontent,%categories)=@_;
827: unless ($cangrade) { return %categories; }
828: my %newcontent=($newcontent => 1);
829: foreach my $current (split(/\,/,$categories{$id.'_calculations'})) {
830: $newcontent{$current}=1;
831: }
832: $categories{$id.'_calculations'}=join(',',sort(keys(%newcontent)));
833: return %categories;
834: }
835:
836: #
837: # Delete a calculation rule
838: #
839:
840: sub del_calculation_rule {
841: my ($id,$cangrade,$delcontent,%categories)=@_;
842: unless ($cangrade) { return %categories; }
843: my @newcontent=();
844: foreach my $current (split(/\,/,$categories{$id.'_calculations'})) {
1.78 www 845: unless ($current=~/^\Q$delcontent\E\:/) {
1.76 www 846: push(@newcontent,$current);
847: }
848: }
849: $categories{$id.'_calculations'}=join(',',@newcontent);
850: return %categories;
851: }
852:
1.80 www 853: sub set_category_rules {
854: my ($cangrade,$id,%categories)=@_;
855: unless ($cangrade) { return %categories; }
856: my %lt=&category_rule_codes();
857: my @newrules=();
858: foreach my $code ('',(keys(%lt))) {
859: if ($env{'form.sel_'.$id.'_'.$code}) {
860: push(@newrules,$env{'form.sel_'.$id.'_'.$code}.':'.$env{'form.val_'.$id.'_'.$code});
861: }
862: }
863: $categories{$id.'_calculations'}=join(',',sort(@newrules));
864: return %categories;
865: }
866:
867:
1.76 www 868: # === Category Editing
869:
1.65 www 870: #
1.75 www 871: # Add to category content
872: #
873:
874: sub add_category_content {
875: my ($id,$cangrade,$newcontent,%categories)=@_;
876: unless ($cangrade) { return %categories; }
1.87 www 877: &Apache::lonnet::logthis("In here $newcontent");
1.75 www 878: my %newcontent=($newcontent => 1);
879: foreach my $current (split(/\,/,$categories{$id.'_content'})) {
880: $newcontent{$current}=1;
881: }
882: $categories{$id.'_content'}=join(',',sort(keys(%newcontent)));
883: return %categories;
884: }
885:
886: #
887: # Delete from category content
888: #
889:
890: sub del_category_content {
891: my ($id,$cangrade,$delcontent,%categories)=@_;
892: unless ($cangrade) { return %categories; }
893: my @newcontent=();
894: foreach my $current (split(/\,/,$categories{$id.'_content'})) {
895: unless ($current eq $delcontent) {
896: push(@newcontent,$current);
897: }
898: }
899: $categories{$id.'_content'}=join(',',@newcontent);
900: return %categories;
901: }
902:
903: #
1.68 www 904: # Delete category
905: #
906:
907: sub del_category {
1.75 www 908: my ($id,$cangrade,%categories)=@_;
909: unless ($cangrade) { return %categories; }
910: my @neworder=();
911: foreach my $currentid (split(/\,/,$categories{'order'})) {
912: unless ($currentid eq $id) {
913: push(@neworder,$currentid);
914: }
915: }
916: $categories{'order'}=join(',',@neworder);
917: return %categories;
1.68 www 918: }
919:
920: #
1.72 www 921: # Move category up
922: #
923:
924: sub move_up_category {
925: my ($id,$cangrade,%categories)=@_;
926: my $currentpos=¤t_pos_category($id,%categories);
927: if ($currentpos<1) { return %categories; }
928: return &move_category($id,$cangrade,$currentpos-1,%categories);
929: }
930:
931: #
932: # Move category down
933: #
934:
935: sub move_down_category {
936: my ($id,$cangrade,%categories)=@_;
937: my $currentpos=¤t_pos_category($id,%categories);
938: my @order=split(/\,/,$categories{'order'});
939: if ($currentpos>=$#order) { return %categories; }
940: return &move_category($id,$cangrade,$currentpos+1,%categories);
941: }
942:
943: #
1.65 www 944: # Move a category to a desired position n the display order
945: #
946:
947: sub move_category {
948: my ($id,$cangrade,$ordernum,%categories)=@_;
949: unless ($cangrade) { return %categories; }
950: my @order=split(/\,/,$categories{'order'});
951: # Where is the index currently?
952: my $currentpos=¤t_pos_category($id,%categories);
953: if (defined($currentpos)) {
954: if ($currentpos<$ordernum) {
955: # This is moving to a higher index
956: # ....X1234....
957: # ....1234X....
958: for (my $i=$currentpos;$i<$ordernum;$i++) {
959: $order[$i]=$order[$i+1];
960: }
961: $order[$ordernum]=$id;
962: }
963: if ($currentpos>$ordernum) {
964: # This is moving to a lower index
965: # ....1234X....
966: # ....X1234....
967: for (my $i=$currentpos;$i>$ordernum;$i--) {
968: $order[$i]=$order[$i-1];
969: }
970: $order[$ordernum]=$id;
971: }
972: }
973: $categories{'order'}=join(',',@order);
974: return %categories;
975: }
976:
977: #
978: # Find current postion of a category in the order
979: #
980:
981: sub current_pos_category {
982: my ($id,%categories)=@_;
983: my @order=split(/\,/,$categories{'order'});
984: for (my $i=0;$i<=$#order;$i++) {
985: if ($order[$i] eq $id) { return $i; }
986: }
987: # not found
988: return undef;
989: }
990:
991: #
992: # Set name of a category
993: #
994: sub set_category_name {
1.69 www 995: my ($cangrade,$id,$name,%categories)=@_;
996: unless ($cangrade) { return %categories; }
1.65 www 997: $categories{$id.'_name'}=$name;
998: return %categories;
999: }
1000:
1001: #
1.71 www 1002: # Set total of a category
1.70 www 1003: #
1.71 www 1004: sub set_category_total {
1005: my ($cangrade,$id,$totaltype,$total,%categories)=@_;
1.70 www 1006: unless ($cangrade) { return %categories; }
1.71 www 1007: if (($categories{$id.'_total'} eq '') && ($total=~/\d/)) {
1008: $totaltype='typein';
1.70 www 1009: }
1.71 www 1010: $categories{$id.'_totaltype'}=$totaltype;
1011: if ($totaltype eq 'default') {
1012: $categories{$id.'_total'}='';
1.70 www 1013: } else {
1.71 www 1014: $total=~s/\D//gs;
1015: unless ($total) { $total=0; }
1016: $categories{$id.'_total'}=$total;
1.70 www 1017: }
1018: return %categories;
1019: }
1020:
1.71 www 1021: sub set_category_weight {
1022: my ($cangrade,$id,$weight,%categories)=@_;
1023: unless ($cangrade) { return %categories; }
1024: $weight=~s/\D//gs;
1025: unless ($weight) { $weight=0; }
1026: $categories{$id.'_weight'}=$weight;
1027: return %categories;
1028: }
1.70 www 1029:
1.81 www 1030: sub set_category_displayachieved {
1031: my ($cangrade,$id,$value,%categories)=@_;
1032: unless ($cangrade) { return %categories; }
1033: unless (($value eq 'percent') || ($value eq 'points')) { $value='percent'; }
1034: $categories{$id.'_displayachieved'}=$value;
1035: return %categories;
1036: }
1037:
1038:
1.70 www 1039: #
1.65 www 1040: # === end category-related
1041: #
1042: #
1.5 bowersj2 1043: # Pass this two refs to arrays for the start and end color, and a number
1044: # from 0 to 1 for how much of the latter you want to mix in. It will
1045: # return a string ready to show ("#FFC309");
1.51 www 1046:
1.5 bowersj2 1047: sub mixColors {
1048: my $start = shift;
1049: my $end = shift;
1050: my $ratio = shift;
1051:
1.9 matthew 1052: my ($a,$b);
1.5 bowersj2 1053: my $final = "";
1.9 matthew 1054: $a = $start->[0]; $b = $end->[0];
1.5 bowersj2 1055: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9 matthew 1056: $a = $start->[1]; $b = $end->[1];
1.5 bowersj2 1057: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1.9 matthew 1058: $a = $start->[2]; $b = $end->[2];
1.5 bowersj2 1059: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
1060:
1.16 bowersj2 1061: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
1.5 bowersj2 1062: return "#" . $final;
1.1 bowersj2 1063: }
1064:
1065: 1;
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