1: # The LearningOnline Network with CAPA
2: # edit mode helpers
3: # 3/20 Guy
4: package Apache::edit;
5:
6: use strict;
7: use Apache::lonnet;
8:
9: sub tag_start {
10: my ($target,$token) = @_;
11: my $result='';
12: if ($target eq "edit") {
13: my $tag=$token->[1];
14: # my $color = sprintf("#%06lx",(hex("ffffff")) >> scalar(split(/_/,$Apache::lonxml::curdepth)));
15: my $color = sprintf("#%02lxffff",33* scalar(split(/_/,$Apache::lonxml::curdepth)));
16: $result.="<table bgcolor=\"$color\" width=\"100%\" border=\"2\"><tr><td><$tag></td>
17: <td>Delete:
18: <select name=\"delete_$Apache::lonxml::curdepth\">
19: <option>Nothing</option>
20: <option>Tag</option>
21: <option>Subtags</option>
22: </select></td>
23: <td>".
24: &insertlist($token,$target).
25: "</td>
26: </tr><tr><td colspan=\"3\">\n";
27: }
28: return $result;
29: }
30:
31: sub tag_end {
32: my ($target,$token) = @_;
33: my $result='';
34: if ($target eq 'edit') {
35: my $tag=$token->[1];
36: $result.="</td></tr><tr><td></$tag></td></tr></table>\n";
37: }
38: return $result;
39: }
40:
41: sub get_insert_list {
42: my ($token) = @_;
43: my $result='';
44: my @tagnums= ();
45: #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist))));
46: if ($Apache::lonxml::insertlist{"$token->[1].which"}) {
47: &Apache::lonxml::debug("Adding1 $token->[1].which");
48: push (@tagnums, @{ $Apache::lonxml::insertlist{"$token->[1].which"} });
49: }
50: foreach my $namespace (@Apache::lonxml::namespace) {
51: if ($Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"}) {
52: &Apache::lonxml::debug("Adding2 $namespace".'::'."$token->[1].which");
53: push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"} });
54: }
55: }
56: if (@tagnums) {
57: foreach my $tagnum (@tagnums) {
58: $result.='<option value="'.$tagnum.'">'.$Apache::lonxml::insertlist{"$tagnum.description"}."</option>\n";
59: }
60: if ($result) { $result='<option selected="on"></option>'.$result; }
61: }
62: return $result;
63: }
64:
65: sub insertlist {
66: my ($token,$target) = @_;
67: my $result;
68: if ($target eq 'edit') {
69: my $optionlist= &get_insert_list($token);
70: if ($optionlist) {
71: $result = "Insert:
72: <select name=\"insert_$Apache::lonxml::curdepth\">
73: $optionlist
74: </select>"
75: }
76: }
77: return $result;
78: }
79:
80: sub handle_insert {
81: if (!$ENV{"form.insert_$Apache::lonxml::curdepth"}) { return ''; }
82: my $result;
83: my $tagnum = $ENV{"form.insert_$Apache::lonxml::curdepth"};
84: my $func=$Apache::lonxml::insertlist{"$tagnum.function"};
85: if ($func eq 'default') {
86: my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};
87: my $namespace;
88: if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
89: $result.="\n<$newtag>\n</$newtag>";
90: } else {
91: {
92: no strict 'refs';
93: $result.=&$func();
94: }
95: }
96: return $result;
97: }
98:
99: sub insert_optionresponse {
100: return '
101: <optionresponse max="10">
102: <foilgroup options="">
103: </foilgroup>
104: </optionresponse>';
105: }
106:
107: sub editfield {
108: my ($tag,$data,$description,$minwidth,$minheight)=@_;
109:
110: my $count=0;
111: my $maxlength=-1;
112: map { $count++;
113: if (length($_) > $maxlength) { $maxlength = length ($_); }
114: } split ("\n", $data);
115: if ($maxlength > 80) { $maxlength = 80; }
116: if ($maxlength < $minwidth) { $maxlength = $minwidth; }
117: if ( $count < $minheight) { $count = $minheight; }
118: if ($description) {
119: $description="<br />".$description;
120: }
121: return "$description<br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n";
122: # return "<br />\n<$tag><br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n</$tag><br />\n";
123: }
124:
125: sub modifiedfield {
126: my ($token) = @_;
127: my $result;
128: # foreach my $envkey (sort keys %ENV) {
129: # &Apache::lonxml::debug("$envkey ---- $ENV{$envkey}");
130: # }
131: # &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
132: # &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});
133: $result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"};
134: if (defined $token) {
135: if (defined $token->[4]) {
136: $result=$token->[4].$result;
137: } else {
138: $result=$result.$token->[2];
139: }
140: }
141: return $result;
142: }
143:
144: sub insert_startouttext {
145: return "\n<startouttext />\n<endouttext />";
146: }
147:
148: 1;
149: __END__
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