1: # The LON-CAPA option response handler
2: #
3: # Option list style responses
4: #
5: # YEAR=2001
6: # 1/19,2/7,2/19,2/21,2/22,3/1,5/4,5/21,5/31,6/1,6/2,6/5,6/11 Guy Albertelli
7: # 6/12,6/16,6/26,6/27,7/18 Guy Albertelli
8: # 8/6 Scott Harrison
9:
10: package Apache::optionresponse;
11: use strict;
12: use Apache::response;
13:
14: # ======================================================================= BEGIN
15: sub BEGIN {
16: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
17: }
18:
19: # ================================ Start option response (return scalar string)
20: sub start_optionresponse {
21: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
22: my $result = '';
23: #when in a radiobutton response use these
24: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil',
25: 'conceptgroup'));
26: push (@Apache::lonxml::namespace,'optionresponse');
27: my $id = &Apache::response::start_response($parstack,$safeeval);
28: if ($target eq 'edit') {
29: $result .= &Apache::edit::start_table($token).
30: "<tr><td>Multiple Option Response Question</td><td>Delete:".
31: &Apache::edit::deletelist($target,$token).
32: "</td><td> </td></tr><tr><td colspan=\"3\">\n";
33: $result .= &Apache::edit::text_arg('Max Number Of Foils:','max',
34: $token,'4')."</td></tr>";
35: $result .= "<tr><td colspan=\"3\">\n";
36: }
37: if ($target eq 'modified') {
38: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
39: $safeeval,'max');
40: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
41: }
42: return $result;
43: }
44:
45: # ================================== End option response (return scalar string)
46: sub end_optionresponse {
47: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
48: &Apache::response::end_response;
49: pop @Apache::lonxml::namespace;
50: my $result;
51: if ($target eq 'edit') { $result = &Apache::edit::end_table(); }
52: return $result;
53: }
54:
55: # ===================================== Start foil group (return scalar string)
56: %Apache::response::foilgroup = {};
57: sub start_foilgroup {
58: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
59: my $result = '';
60: %Apache::response::foilgroup = {};
61: $Apache::optionresponse::conceptgroup = 0;
62: &Apache::response::setrandomnumber();
63: if ($target eq 'edit') {
64: my $optionlist = "<option></option>\n";
65: my $option;
66: my @opt;
67: eval '@opt ='.
68: &Apache::lonxml::get_param('options',$parstack,$safeeval);
69: my $count = 1;
70: foreach $option (@opt) {
71: $optionlist .= "<option value=\"$count\">$option</option>\n";
72: $count++;
73: }
74: my $insertlist = &Apache::edit::insertlist($target,$token);
75: $result .= &Apache::edit::start_table($token);
76: $result .= (<<ENDTABLE);
77: <tr><td>Select Options</td>
78: <td>
79: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
80: </td>
81: <td>Delete an Option:
82: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
83: </td>
84: </tr>
85: <tr><td colspan="3">$insertlist<br />
86: ENDTABLE
87: }
88: if ($target eq 'modified') {
89: my @options;
90: my $optchanged=0;
91: eval '@options ='.
92: &Apache::lonxml::get_param('options',$parstack,$safeeval);
93: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
94: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
95: &Apache::lonxml::debug("Deleting :$delopt:");
96: splice(@options,$delopt-1,1);
97: $optchanged = 1;
98: }
99: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
100: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
101: if ($options[0]) {
102: push(@options,$newopt);
103: } else {
104: $options[0] = $newopt;
105: }
106: $optchanged = 1;
107: }
108: if ($optchanged) {
109: $result = "<foilgroup options=\"(";
110: foreach my $option (@options) {
111: $option =~ s/\'/\\\'/;
112: &Apache::lonxml::debug("adding option :$option:");
113: $result .= "'".$option."',";
114: }
115: chop $result;
116: $result .= ')">';
117: } # else nothing changed so just use the default mechanism
118: }
119: return $result;
120: }
121:
122: # ======================================= End foil group (return scalar string)
123: sub end_foilgroup {
124: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
125: my $result;
126: if ($target eq 'grade' || $target eq 'web') {
127: my $name;
128: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
129: if ($count>$max) { $count = $max }
130: &Apache::lonxml::debug("Count is $count from $max");
131: my @opt;
132: eval '@opt ='.
133: &Apache::lonxml::get_param('options',$parstack,$safeeval);
134: &Apache::lonxml::debug("Options are $#opt");
135: if ($target eq 'web') {
136: $result=&displayfoils($count,@opt);
137: } elsif ( $target eq 'grade') {
138: if ( defined $ENV{'form.submitted'}) {
139: my @whichopt = &whichfoils($count);
140: my $temp=1;my $name;
141: my $allresponse;
142: my $right=0;
143: my $wrong=0;
144: my $ignored=0;
145: foreach $name (@whichopt) {
146: my $response = $ENV{'form.HWVAL_'.
147: $Apache::inputtags::response['-1'].
148: ":$temp"};
149: $allresponse .= "$response:";
150: if ( $response =~ /[^\s]/) {
151: &Apache::lonxml::debug("submitted a $response".
152: "<br />\n");
153: my $value = $Apache::response::foilgroup{$name.
154: '.value'};
155: if ($value eq $response) {$right++;} else {$wrong++;}
156: } else {
157: $ignored++;
158: }
159: $temp++;
160: }
161: my $id = $Apache::inputtags::response['-1'];
162: $Apache::lonhomework::results{"resource.".
163: $Apache::inputtags::part.".$id.submission"} = $allresponse;
164: &Apache::lonxml::debug("Got $right right and $wrong wrong, ".
165: "and $ignored were ignored");
166: if ($wrong==0 && $ignored==0) {
167: $Apache::lonhomework::results{"resource.".
168: $Apache::inputtags::part.".$id.awarddetail"}
169: = 'EXACT_ANS';
170: } else {
171: $Apache::lonhomework::results{"resource.".
172: $Apache::inputtags::part.".$id.awarddetail"}
173: = 'INCORRECT';
174: }
175: }
176: }
177: }
178: if ($target eq 'edit') {
179: $result .= &Apache::edit::end_table();
180: }
181: return $result;
182: }
183:
184: # ==================================== Get foil counts (return 2 element array)
185: sub getfoilcounts {
186: my ($parstack,$safeeval) = @_;
187: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
188: # +1 since instructors will count from 1
189: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
190: return ($count,$max);
191: }
192:
193: # =============================================== Which foils (return an array)
194: sub whichfoils {
195: my ($max)=@_;
196: my @names = @{ $Apache::response::foilgroup{'names'} };
197: my @whichopt =();
198: while ((($#whichopt+1) < $max) && ($#names > -1)) {
199: &Apache::lonxml::debug("Have $#whichopt max is $max");
200: my $aopt=int(rand($#names+1));
201: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking ".
202: $aopt);
203: $aopt=splice(@names,$aopt,1);
204: &Apache::lonxml::debug("Picked $aopt");
205: push (@whichopt,$aopt);
206: }
207: return @whichopt;
208: }
209:
210: # ======================================== Display foils (return scalar string)
211: sub displayfoils {
212: my ($max,@opt) = @_;
213: my @names = @{ $Apache::response::foilgroup{'names'} };
214: my @truelist;
215: my @falselist;
216: my $result;
217: my $name;
218: my @whichopt = &whichfoils($max);
219: my $optionlist = "<option></option>\n";
220: my $option;
221: foreach $option (@opt) {
222: $optionlist .= "<option>$option</option>\n";
223: }
224: if ($Apache::lonhomework::history{"resource.".
225: $Apache::inputtags::part.
226: ".solved"} =~ /^correct/ ) {
227: foreach $name (@whichopt) {
228: $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.
229: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
230: }
231: } else {
232: my $temp=1;
233: foreach $name (@whichopt) {
234: $result .= "<br /><select ".
235: "name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">".
236: $optionlist.
237: "</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
238: $temp++;
239: }
240: }
241: return $result."<br />";
242: }
243:
244: # ================================== Start concept group (return scalar string)
245: sub start_conceptgroup {
246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
247: $Apache::optionresponse::conceptgroup = 1;
248: %Apache::response::conceptgroup = {};
249: my $result;
250: if ($target eq 'edit') {
251: $result .= &Apache::edit::tag_start($target,$token,
252: "Concept Grouped Foils");
253: $result .= &Apache::edit::text_arg('Concept:','concept',$token,'50').
254: "</td></tr>";
255: $result .= "<tr><td colspan=\"3\">\n";
256: }
257: if ($target eq 'modified') {
258: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
259: $safeeval,'concept');
260: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
261: }
262: return $result;
263: }
264:
265: # ==================================== End concept group (return scalar string)
266: sub end_conceptgroup {
267: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
268: $Apache::optionresponse::conceptgroup = 0;
269: my $result = '';
270: if ($target eq 'web' || $target eq 'grade') {
271: #if not there aren't any foils to display and thus no question
272: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
273: my @names = @{ $Apache::response::conceptgroup{'names'} };
274: my $pick = int rand $#names+1;
275: my $name = $names[$pick];
276: push @{ $Apache::response::foilgroup{'names'} }, $name;
277: $Apache::response::foilgroup{"$name.value"} =
278: $Apache::response::conceptgroup{"$name.value"};
279: $Apache::response::foilgroup{"$name.text"} =
280: $Apache::response::conceptgroup{"$name.text"};
281: my $concept =
282: &Apache::lonxml::get_param('concept',$parstack,$safeeval);
283: $Apache::response::foilgroup{"$name.concept"} = $concept;
284: &Apache::lonxml::debug("Selecting $name in $concept");
285: }
286: }
287: if ($target eq 'edit') {
288: $result = &Apache::edit::end_table();
289: }
290: return $result;
291: }
292:
293: # ======================================================== Insert concept group
294: sub insert_conceptgroup {
295: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil().
296: "\n\t\t</conceptgroup>\n";
297: return $result;
298: }
299:
300: # =========================================== Start foil (return scalar string)
301: sub start_foil {
302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
303: my $result = '';
304: if ($target eq 'web') { &Apache::lonxml::startredirection; }
305: if ($target eq 'edit') {
306: $result = &Apache::edit::tag_start($target,$token,"Foil");
307: my $level = '-2';
308: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
309: my @opt;
310: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,
311: $safeeval,$level);
312: $result .= &Apache::edit::text_arg('Name:','name',$token);
313: $result .= &Apache::edit::select_or_text_arg('Correct Option:',
314: 'value',
315: ['unused',(@opt)],$token,
316: '15');
317: $result .= '</td></tr><tr><td colspan="3">';
318: }
319: if ($target eq 'modified') {
320: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
321: $safeeval,'value',
322: 'name');
323: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
324: }
325: return $result;
326: }
327:
328: # ============================================= End foil (return scalar string)
329: sub end_foil {
330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
331: my $text = '';
332: my $result = '';
333: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
334: if ($target eq 'web' || $target eq 'grade') {
335: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
336: if ($value ne 'unused') {
337: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
338: &Apache::lonxml::debug("Got a name of :$name:");
339: if (!$name) { $name = $Apache::lonxml::curdepth; }
340: &Apache::lonxml::debug("Using a name of :$name:");
341: if ( $Apache::optionresponse::conceptgroup ) {
342: push @{ $Apache::response::conceptgroup{'names'} }, $name;
343: $Apache::response::conceptgroup{"$name.value"} = $value;
344: $Apache::response::conceptgroup{"$name.text"} = $text;
345: } else {
346: push @{ $Apache::response::foilgroup{'names'} }, $name;
347: $Apache::response::foilgroup{"$name.value"} = $value;
348: $Apache::response::foilgroup{"$name.text"} = $text;
349: }
350: }
351: }
352: if ($target eq 'edit') {
353: $result .= &Apache::edit::tag_end($target,$token,'');
354: }
355: return $result;
356: }
357:
358: # ========================================== Insert foil (return scalar string)
359: sub insert_foil {
360: return '
361: <foil name="" value="unused">
362: <startouttext />
363: <endouttext />
364: </foil>';
365: }
366:
367: 1;
368:
369: __END__
370:
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