1: package Apache::hinttags;
2:
3: use strict;
4: use Apache::lonnet;
5: use capa;
6:
7: sub BEGIN {
8: &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));
9: }
10:
11:
12: @Apache::hint::which=();
13: sub start_hintgroup {
14: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
15: my $skiptoend='0';
16: my $result;
17:
18: if ($target eq 'web') {
19: my $id=$Apache::inputtags::part;
20: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
21: if ( $numtries eq '') { $numtries = 0; }
22: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
23: if ( $hinttries eq '') { $hinttries = 1; }
24: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
25: if ( $numtries < $hinttries ) {
26: $skiptoend='1';
27: } else {
28: if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
29: }
30: if ($skiptoend) {
31: &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
32: }
33: }
34: @Apache::hint::which=();
35: return $result;
36: }
37:
38: sub end_hintgroup {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
41:
42: if ($target eq 'web') {
43: my $id=$Apache::inputtags::part;
44: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
45: if ( $numtries eq '') { $numtries = 0; }
46: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
47: if ( $hinttries eq '') { $hinttries = 1; }
48: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
49: if ( $numtries >= $hinttries ) {
50: $result='</td></tr></table>';
51: }
52: } elsif ($target eq 'edit') {
53: $result.=&Apache::edit::end_table();
54: }
55: @Apache::hint::which=();
56: return $result;
57: }
58:
59: sub start_numericalhint {
60: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
61: #do everything in end, so intervening <responseparams> work
62: &Apache::response::start_hintresponse($parstack,$safeeval);
63: my $result;
64: if ($target eq 'edit') {
65: $result.=&Apache::edit::tag_start($target,$token);
66: $result.=&Apache::edit::text_arg('Name:','name',$token);
67: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
68: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
69: $result.=&Apache::edit::text_arg('Format:','format',$token,4);
70: $result.='</td></tr><tr><td colspan="3">';
71: } elsif ($target eq 'modified') {
72: my $constructtag=
73: &Apache::edit::get_new_args($token,$parstack,$safeeval,
74: 'name','answer','unit', 'format');
75: if ($constructtag) {
76: $result = &Apache::edit::rebuild_tag($token);
77: $result .= &Apache::edit::handle_insert();
78: }
79: }
80: return $result;
81: }
82:
83: sub end_numericalhint {
84: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
85: my $result;
86: if ($target eq 'web') {
87: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
88: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
89: &Apache::response::setup_params('numericalhint');
90: my $partid=$Apache::inputtags::part;
91: my $id=$Apache::inputtags::response['-1'];
92: #id submissions occured under
93: my $submitid=$Apache::inputtags::response['-2'];
94: my $response = $Apache::lonhomework::history{
95: "resource.$partid.$submitid.submission"};
96: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
97: #build safe space expression
98: my $expression="&caparesponse_check_list('".$response."','".
99: $$parstack[$#$parstack];
100: #need to get all possible parms
101: foreach my $key (keys(%Apache::inputtags::params)) {
102: $expression.= ';my $'. #'
103: $key.'="'.$Apache::inputtags::params{$key}.'"';
104: }
105: $expression.="');";
106: $result = &Apache::run::run($expression,$safeeval);
107: &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
108: my ($awards) = split /:/ , $result;
109: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
110: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
111: $result='';
112: } elsif ($target eq 'meta') {
113: $result=&Apache::response::meta_package_write('numericalhint');
114: } elsif ($target eq 'edit') {
115: $result.='</td></tr>'.&Apache::edit::end_table;
116: }
117: &Apache::response::end_hintresponse();
118: return $result;
119: }
120:
121: # a part shows if it is on, if no specific parts are on, then default shows
122: sub start_hintpart {
123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
124:
125: my $show ='0';
126: my $result = '';
127: if ($target eq 'web') {
128: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
129: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
130: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
131: $show=1;
132: } else {
133: my $which;
134: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
135: }
136: if (!$show) {
137: &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
138: }
139: } elsif ($target eq 'grade') {
140: &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
141: } elsif ($target eq 'edit') {
142: $result.= &Apache::edit::tag_start($target,$token,
143: &Apache::lonxml::description($token));
144: $result.= &Apache::edit::text_arg('On:','on',$token).'</td></tr><tr><td colspan="3">';
145: } elsif ($target eq 'modified') {
146: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
147: 'on');
148: if ($constructtag) {
149: $result = &Apache::edit::rebuild_tag($token);
150: $result.=&Apache::edit::handle_insert();
151: }
152: }
153: return $result;
154: }
155:
156: sub end_hintpart {
157: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
158: my $result;
159: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
160: return $result;
161: }
162:
163: 1;
164: __END__
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