--- rat/lonratedt.pm 2002/05/10 18:58:04 1.8
+++ rat/lonratedt.pm 2002/05/10 19:46:52 1.9
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Edit Handler for RAT Maps
#
-# $Id: lonratedt.pm,v 1.8 2002/05/10 18:58:04 www Exp $
+# $Id: lonratedt.pm,v 1.9 2002/05/10 19:46:52 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -52,21 +52,35 @@ sub mapread {
my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
if ($errtext) { return ($errtext,2); }
+# -------------------------------------------------------------------- Read map
foreach (split(/\<\&\>/,$outtext)) {
- my ($command,$parms)=split(/\<\:\>/,$_);
- my @item=split(/\:/,$parms);
+ my ($command,$number,$content)=split(/\<\:\>/,$_);
if ($command eq 'objcont') {
+ $resources[$number]=$content;
}
if ($command eq 'objlinks') {
- if (defined($links[$item[0]])) {
+ $links[$number]=$content;
+ }
+ }
+# ------------------------------------------------------- Is this a linear map?
+ my @starters=();
+ my @endings=();
+ undef @starters;
+ undef @endings;
+
+ foreach (@links) {
+ if (defined($_)) {
+ my ($start,$end,$cond)=split(/\:/,$_);
+ if ((defined($starters[$start])) || (defined($endings[$end]))) {
return
('Map too complex, has branchings. Use advanced editor.',1);
}
- if ($links[$item[2]]) {
+ $starters[$start]=1;
+ $endings[$end]=1;
+ if ($cond) {
return
('Map too complex, has conditions. Use advanced editor.',1);
}
- $links[$item[0]]=$item[1];
}
}
@@ -227,7 +241,20 @@ ENDNODIR
sub viewmap {
my ($r,$adv)=@_;
$r->print(''.&buttons($adv));
-
+ foreach (@resources) {
+ if (defined($_)) {
+ my ($title,$url)=split(/\:/,$_);
+ $title=~s/\&colon\;/\:/g;
+ $url=~s/\&colon\;/\:/g;
+ unless ($title) { $title='Unknown'; }
+ if ($url) {
+ $r->print('');
+ }
+ $r->print(&Apache::lonratsrv::qtescape($title));
+ if ($url) { $r->print(''); }
+ $r->print('
');
+ }
+ }
$r->print('');
}