1: # The LearningOnline Network with CAPA
2: # input definitons
3: # 2/19 Guy
4:
5: package Apache::inputtags;
6: use strict;
7:
8: sub BEGIN {
9: &Apache::lonxml::register('Apache::inputtags',('textarea','textline','datasubmission'));
10: }
11:
12:
13: sub initialize_inputtags {
14: # list of current input ids
15: @Apache::inputtags::input=();
16: # list of all input ids seen in this problem
17: @Apache::inputtags::inputlist=();
18: # list of all current response ids
19: @Apache::inputtags::response=();
20: # list of all response ids seen in this problem
21: @Apache::inputtags::responselist=();
22: # list of whether or not a specific response was previously used
23: @Apache::inputtags::previous=();
24: # id of current part, 0 means that no part is current (inside <problem> only
25: $Apache::inputtags::part='';
26: # list of problem date statuses, the first element is for <problem>
27: #if there is a second element it is for the current <part>
28: @Apache::inputtags::status=();
29: #hash of defined params for the current response
30: %Apache::inputtags::params=();
31: }
32:
33: sub start_input {
34: my ($parstack,$safeeval)=@_;
35: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
36: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
37: push (@Apache::inputtags::input,$id);
38: push (@Apache::inputtags::inputlist,$id);
39: return $id;
40: }
41:
42: sub end_input {
43: pop @Apache::inputtags::input;
44: return '';
45: }
46:
47: sub start_textarea {
48: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
49: my $result = "";
50: my $id = &start_input($parstack,$safeeval);
51: if ($target eq 'web') {
52: my $oldresponse = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
53: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
54: if ( $cols eq '') { $cols = 80; }
55: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
56: if ( $rows eq '') { $rows = 10; }
57: $result= '<textarea name="HWVAL'.$Apache::inputtags::response['-1'].'" '.
58: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
59: if ($oldresponse ne '') {
60: #get rid of any startup text if the user has already responded
61: &Apache::lonxml::get_all_text("/textarea",$$parser[$#$parser]);
62: }
63: }
64: return $result;
65: }
66:
67: sub end_textarea {
68: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
69: if ($target eq 'web') {
70: return "</textarea>";
71: }
72: &end_input;
73: return '';
74: }
75:
76: sub start_textline {
77: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
78: my $result = "";
79: if ($target eq 'web') {
80: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
81: if ($size eq '') { $size=20; }
82: my $oldresponse = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
83: $result= '<input type="text" name="HWVAL'.$Apache::inputtags::response['-1'].'" value="'.$oldresponse.'" size="'.$size.'" />';
84: }
85: if ($target eq 'edit') {
86: $result.=&Apache::edit::tag_start($target,$token,&Apache::lonxml::description($token));
87: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
88: $result.=&Apache::edit::end_table;
89: }
90: if ($target eq 'modified') {
91: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
92: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
93: }
94: return $result;
95: }
96:
97: sub end_textline {
98: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
99: if ($target eq 'edit') { return ('','no'); }
100: return "";
101: }
102:
103: sub start_datasubmission {
104: return '';
105: }
106:
107: sub end_datasubmission {
108: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
109: if ( $target == 'web' ) {
110: return '<input type="submit" name="submit" value="Submit All Data" />';
111: }
112: return '';
113: }
114:
115: sub finalizeawards {
116: my $result='';
117: my $award;
118: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
119: if ($result eq '' ) {
120: foreach $award (@_) { if ($award eq '') {$result='MISSING_ANSWER'; last;}}
121: }
122: if ($result eq '' ) {
123: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
124: }
125: if ($result eq '' ) {
126: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
127: }
128:
129: if ($result eq '' ) {
130: foreach $award (@_) {
131: if ($award eq 'UNIT_FAIL' ||
132: $award eq 'NO_UNIT' ||
133: $award eq 'UNIT_NOTNEEDED') {
134: $result=$award; last;
135: }
136: }
137: }
138: if ($result eq '' ) {
139: foreach $award (@_) {
140: if ($award eq 'WANTED_NUMERIC' ||
141: $award eq 'BAD_FORMULA') {$result=$award; last;}
142: }
143: }
144: if ($result eq '' ) {
145: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
146: }
147: if ($result eq '' ) {
148: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
149: }
150: if ($result eq '' ) {
151: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
152: }
153: if ($result eq '' ) {
154: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
155: }
156: if ($result eq '' ) { $result='EXACT_ANS'; }
157: return $result
158: }
159:
160: sub decideoutput {
161: my ($award,$solved,$previous)=@_;
162: my $message='';
163: my $button=0;
164: my $previousmsg;
165:
166: if ($previous) { $previousmsg='You have entered that answer before'; }
167:
168: if ($solved =~ /^correct/) {
169: $message = "<b>You are correct.</b> Your receipt is ".
170: &Apache::lonnet::receipt;
171: $button=0;
172: $previousmsg='';
173: } elsif ($solved =~ /^excused/) {
174: $message = "<b>You are excused from the problem.</b>";
175: $button=0;
176: $previousmsg='';
177: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
178: if ($solved =~ /^incorrect/ || $solved eq '') {
179: $message = "Incorrect";
180: $button=1;
181: } else {
182: $message = "<b>You are correct.</b> Your receipt is ".
183: &Apache::lonnet::receipt;
184: $button=0;
185: $previousmsg='';
186: }
187: } elsif ($award eq 'NO_RESPONSE') {
188: $message = '';
189: $button=1;
190: } elsif ($award eq 'MISSING_ANSWER') {
191: $message = 'Some parts were not submitted';
192: $button = 1;
193: } elsif ($award eq 'WANTED_NUMERIC') {
194: $message = "This question expects a numeric answer";
195: $button=1;
196: } elsif ($award eq 'SIG_FAIL') {
197: $message = "Please adjust significant figures.";# you provided %s significant figures";
198: $button=1;
199: } elsif ($award eq 'UNIT_FAIL') {
200: $message = "Units incorrect."; #Computer reads units as %s";
201: $button=1;
202: } elsif ($award eq 'UNIT_NOTNEEDED') {
203: $message = "Only a number required.";# Computer reads units of %s";
204: $button=1;
205: } elsif ($award eq 'NO_UNIT') {
206: $message = "Units required";
207: $button=1;
208: } elsif ($award eq 'BAD_FORMULA') {
209: $message = "Unable to understand formula";
210: $button=1;
211: } elsif ($award eq 'INCORRECT') {
212: $message = "Incorrect";
213: $button=1;
214: } elsif ($award eq 'SUBMITTED') {
215: $message = "Your submission has been recorded.";
216: $button=1;
217: } else {
218: $message = "Unknown message: $award";
219: $button=1;
220: }
221: return ($button,$message,$previousmsg);
222: }
223:
224: sub setgradedata {
225: my ($award,$id,$previously_used) = @_;
226: # if the student already has it correct, don't modify the status
227: if ( $Apache::lonhomework::history{"resource.$id.solved"} !~
228: /^correct/ ) {
229: #handle assignment of tries and solved status
230: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
231: $Apache::lonhomework::results{"resource.$id.tries"} =
232: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
233: $Apache::lonhomework::results{"resource.$id.solved"} =
234: 'correct_by_student';
235: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
236: } elsif ( $award eq 'INCORRECT' ) {
237: $Apache::lonhomework::results{"resource.$id.tries"} =
238: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
239: $Apache::lonhomework::results{"resource.$id.solved"} =
240: 'incorrect_attempted';
241: } elsif ( $award eq 'SUBMITTED' ) {
242: $Apache::lonhomework::results{"resource.$id.tries"} =
243: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
244: $Apache::lonhomework::results{"resource.$id.solved"} =
245: 'ungraded_attempted';
246: } elsif ( $award eq 'NO_RESPONSE' ) {
247: return '';
248: } else {
249: $Apache::lonhomework::results{"resource.$id.solved"} =
250: 'incorrect_attempted';
251: }
252:
253: # check if this was a previous submission if it was delete the
254: # unneeded data and update the previously_used attribute
255: if ( $previously_used eq 'PREVIOUSLY_USED') {
256: delete($Apache::lonhomework::results{"resource.$id.tries"});
257: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
258: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
259: #delete all data as they student didn't do anything
260: foreach my $key (keys(%Apache::lonhomework::results)) {
261: if ($key =~ /^resource\.$id\./) {
262: &Apache::lonxml::debug("Removing $key");
263: delete($Apache::lonhomework::results{$key});
264: }
265: }
266: #and since they didn't do anything we were never here
267: return '';
268: } else {
269: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
270: }
271: }
272: $Apache::lonhomework::results{"resource.$id.award"} = $award;
273: }
274:
275: sub grade {
276: my ($target) = @_;
277: my $id = $Apache::inputtags::part;
278: my $response='';
279: if ( defined $ENV{'form.submitted'}) {
280: my @awards = ();
281: foreach $response (@Apache::inputtags::responselist) {
282: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
283: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
284: if ( $value ne '' ) {
285: &Apache::lonxml::debug("keeping $value from $response for $id");
286: push (@awards,$value);
287: } else {
288: &Apache::lonxml::debug("skipping $value from $response for $id");
289: }
290: }
291: my $finalaward = &finalizeawards(@awards);
292: my $previously_used;
293: if ( $#Apache::inputtags::previous eq $#awards ) {
294: $previously_used = 'PREVIOUSLY_LAST';
295: foreach my $value (@Apache::inputtags::previous) {
296: if ($value eq 'PREVIOUSLY_USED' ) {
297: $previously_used = $value;
298: last;
299: }
300: }
301: }
302: &Apache::lonxml::debug("final award $finalaward, $previously_used");
303: &setgradedata($finalaward,$id,$previously_used);
304: }
305: return '';
306: }
307:
308: sub gradestatus {
309: my ($id) = @_;
310: my $showbutton = 1;
311: my $message = '';
312: my $trystr='';
313: my $button='';
314: my $previousmsg='';
315:
316: my $status = $Apache::inputtags::status['-1'];
317: &Apache::lonxml::debug("gradestatus has :$status:");
318: if ( $status ne 'CLOSED' ) {
319: my $award = $Apache::lonhomework::history{"resource.$id.award"};
320: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
321: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
322: &Apache::lonxml::debug("Found Award |$award|$solved|");
323: if ( $award ne '' ) {
324: &Apache::lonxml::debug('Getting message');
325: ($showbutton,$message,$previousmsg) =
326: &decideoutput($award,$solved,$previous);
327: $message="<td bgcolor=\"#aaffaa\">$message</td>";
328: if ($previousmsg) {
329: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
330: }
331: }
332: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
333: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
334: &Apache::lonxml::debug("got maxtries of :$maxtries:");
335: if ( $tries eq '' ) { $tries = '0'; }
336: if ( $maxtries eq '' ) { $maxtries = '2'; }
337: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
338: if ( $showbutton ) {
339: $trystr = "<td>Tries $tries/$maxtries</td>";
340: }
341: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
342: if ( $showbutton ) {
343: $button = '<br /><input type="submit" name="submit" value="Submit All Answers" />';
344: }
345: }
346: my $output= $previousmsg.$message.$trystr;
347: if ($output =~ /^\s*$/) {
348: return $button;
349: } else {
350: return $button.'<table><tr>'.$previousmsg.$message.$trystr.'</tr></table>';
351: }
352: }
353: 1;
354: __END__
355:
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