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><$tag></td>
17: <td>Delete:".
18: &deletelist($target,$token)
19: ."</td>
20: <td>".
21: &insertlist($target,$token).
22: "</td>
23: </tr><tr><td colspan=\"3\">\n";
24: }
25: return $result;
26: }
27:
28: sub tag_end {
29: my ($target,$token) = @_;
30: my $result='';
31: if ($target eq 'edit') {
32: my $tag=$token->[1];
33: $result.="</td></tr><tr><td></$tag></td></tr></table>\n";
34: }
35: return $result;
36: }
37:
38: sub deletelist {
39: my ($target,$token) = @_;
40: my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">
41: <option>Nothing</option>
42: <option>Tag</option>
43: <option>Subtags</option>
44: </select>";
45: return $result;
46: }
47:
48: sub get_insert_list {
49: my ($token) = @_;
50: my $result='';
51: my @tagnums= ();
52: #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist))));
53: if ($Apache::lonxml::insertlist{"$token->[1].which"}) {
54: &Apache::lonxml::debug("Adding1 $token->[1].which");
55: push (@tagnums, @{ $Apache::lonxml::insertlist{"$token->[1].which"} });
56: }
57: foreach my $namespace (@Apache::lonxml::namespace) {
58: if ($Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"}) {
59: &Apache::lonxml::debug("Adding2 $namespace".'::'."$token->[1].which");
60: push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"} });
61: }
62: }
63: if (@tagnums) {
64: foreach my $tagnum (@tagnums) {
65: $result.='<option value="'.$tagnum.'">'.$Apache::lonxml::insertlist{"$tagnum.description"}."</option>\n";
66: }
67: if ($result) { $result='<option selected="on"></option>'.$result; }
68: }
69: return $result;
70: }
71:
72: sub insertlist {
73: my ($target,$token) = @_;
74: my $result;
75: if ($target eq 'edit') {
76: my $optionlist= &get_insert_list($token);
77: if ($optionlist) {
78: $result = "Insert:
79: <select name=\"insert_$Apache::lonxml::curdepth\">
80: $optionlist
81: </select>"
82: }
83: }
84: return $result;
85: }
86:
87: sub handle_insert {
88: if (!$ENV{"form.insert_$Apache::lonxml::curdepth"}) { return ''; }
89: my $result;
90: my $tagnum = $ENV{"form.insert_$Apache::lonxml::curdepth"};
91: my $func=$Apache::lonxml::insertlist{"$tagnum.function"};
92: if ($func eq 'default') {
93: my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};
94: my $namespace;
95: if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
96: $result.="\n<$newtag>\n</$newtag>";
97: } else {
98: {
99: no strict 'refs';
100: $result.=&$func();
101: }
102: }
103: return $result;
104: }
105:
106: sub insert_optionresponse {
107: return '
108: <optionresponse max="10">
109: <foilgroup options="">
110: </foilgroup>
111: </optionresponse>';
112: }
113:
114: sub editfield {
115: my ($tag,$data,$description,$minwidth,$minheight)=@_;
116:
117: my $count=0;
118: my $maxlength=-1;
119: map { $count++;
120: if (length($_) > $maxlength) { $maxlength = length ($_); }
121: } split ("\n", $data);
122: if ($maxlength > 80) { $maxlength = 80; }
123: if ($maxlength < $minwidth) { $maxlength = $minwidth; }
124: if ( $count < $minheight) { $count = $minheight; }
125: if ($description) {
126: $description="<br />".$description;
127: }
128: return "$description<br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n";
129: # return "<br />\n<$tag><br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n</$tag><br />\n";
130: }
131:
132: sub modifiedfield {
133: my ($token) = @_;
134: my $result;
135: # foreach my $envkey (sort keys %ENV) {
136: # &Apache::lonxml::debug("$envkey ---- $ENV{$envkey}");
137: # }
138: # &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
139: # &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});
140: $result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"};
141: if (defined $token) {
142: if (defined $token->[4]) {
143: $result=$token->[4].$result;
144: } else {
145: $result=$result.$token->[2];
146: }
147: }
148: return $result;
149: }
150:
151: sub insert_startouttext {
152: return "\n<startouttext />\n<endouttext />";
153: }
154:
155: 1;
156: __END__
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