version 1.6, 2002/05/09 21:59:33
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version 1.10, 2002/05/11 23:23:01
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Line 35 package Apache::lonratedt;
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Line 35 package Apache::lonratedt;
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::lonnet; |
use Apache::lonnet; |
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use Apache::lonratsrv; |
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my @order=(); |
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my @resources=(); |
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# Mapread read maps into global arrays @links and @resources, determines status |
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# sets @order - pointer to resources in right order |
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# sets @resources - array with the resources with correct idx |
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# |
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sub mapread { |
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my $fn=shift; |
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my @links; |
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undef @links; |
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undef @resources; |
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undef @order; |
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my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,''); |
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if ($errtext) { return ($errtext,2); } |
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# -------------------------------------------------------------------- Read map |
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foreach (split(/\<\&\>/,$outtext)) { |
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my ($command,$number,$content)=split(/\<\:\>/,$_); |
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if ($command eq 'objcont') { |
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$resources[$number]=$content; |
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} |
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if ($command eq 'objlinks') { |
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$links[$number]=$content; |
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} |
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} |
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# ------------------------------------------------------- Is this a linear map? |
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my @starters=(); |
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my @endings=(); |
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undef @starters; |
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undef @endings; |
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foreach (@links) { |
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if (defined($_)) { |
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my ($start,$end,$cond)=split(/\:/,$_); |
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if ((defined($starters[$start])) || (defined($endings[$end]))) { |
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return |
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('Map has branchings. Use advanced editor.',1); |
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} |
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$starters[$start]=1; |
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$endings[$end]=1; |
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if ($cond) { |
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return |
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('Map has conditions. Use advanced editor.',1); |
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} |
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} |
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} |
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for (my $i=0; $i<=$#resources; $i++) { |
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if (defined($resources[$i])) { |
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unless (($starters[$i]) || ($endings[$i])) { |
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return |
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('Map has unconnected resources. Use advanced editor.',1); |
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} |
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} |
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} |
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# -------------------------------------------------- This is a linear map, sort |
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my $startidx=0; |
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my $endidx=0; |
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for (my $i=0; $i<=$#resources; $i++) { |
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if (defined($resources[$i])) { |
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my ($title,$url,$ext,$type)=split(/\:/,$resources[$i]); |
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if ($type eq 'start') { $startidx=$i; } |
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if ($type eq 'finish') { $endidx=$i; } |
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} |
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} |
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my $k=0; |
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my $currentidx=$startidx; |
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$order[$k]=$currentidx; |
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for (my $i=0; $i<=$#resources; $i++) { |
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foreach (@links) { |
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my ($start,$end)=split(/\:/,$_); |
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if ($start==$currentidx) { |
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$currentidx=$end; |
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$k++; |
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$order[$k]=$currentidx; |
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last; |
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} |
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} |
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if ($currentidx==$endidx) { last; } |
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} |
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return $errtext; |
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} |
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# --------------------------------------------------------- Build up RAT screen |
# --------------------------------------------------------- Build up RAT screen |
sub ratedt { |
sub ratedt { |
Line 57 sub ratedt {
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Line 147 sub ratedt {
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ENDDOCUMENT |
ENDDOCUMENT |
} |
} |
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# ---------------------------------------------------------------- Make buttons |
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sub buttons { |
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my $adv=shift; |
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my $output='<form method=post>'; |
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if ($adv==1) { |
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$output.='<input type=submit name=forceadv value="Edit">'; |
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} else { |
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unless ($adv==2) { |
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$output.='<input type=submit name=forcesmp value="Simple Edit">'; |
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} |
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$output.='<input type=submit name=forceadv value="Advanced Edit">'; |
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} |
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return $output.'</form><hr>'; |
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} |
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sub smpedt { |
sub smpedt { |
my ($r,$fn)=@_; |
my ($r,$errtext)=@_; |
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my $buttons=&buttons(2); |
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# ----------------------------------------------------- Start simple RAT screen |
$r->print(<<ENDSMPHEAD); |
$r->print(<<ENDSMPHEAD); |
<html> |
<html> |
<head> |
<head> |
Line 144 function idxcheck(mode) {
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Line 252 function idxcheck(mode) {
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</script> |
</script> |
</head> |
</head> |
<body bgcolor='#FFFFFF'> |
<body bgcolor='#FFFFFF'> |
<form method=post> |
$buttons |
<input type=submit name=forceadv |
<font color=red>$errtext</font> |
value="Advanced Map Editing - Graphical Resource Assembly Tool"><hr> |
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This is the future site of the great simple RAT |
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<a href="javascript:groupsearch()">Group Search</a> |
<a href="javascript:groupsearch()">Group Search</a> |
<a href="javascript:groupimport()">Group Import</a> |
<a href="javascript:groupimport()">Group Import</a> |
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Line 169 sub nodir {
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Line 275 sub nodir {
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ENDNODIR |
ENDNODIR |
} |
} |
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# ---------------------------------------------------------------- View Handler |
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sub viewmap { |
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my ($r,$adv,$errtext)=@_; |
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$r->print('<html><body bgcolor="#FFFFFF">'.&buttons($adv)); |
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if ($errtext) { |
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$r->print($errtext.'<hr>'); |
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} |
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foreach (@resources) { |
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if (defined($_)) { |
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my ($title,$url)=split(/\:/,$_); |
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$title=~s/\&colon\;/\:/g; |
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$url=~s/\&colon\;/\:/g; |
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unless ($title) { $title='<i>Unknown</i>'; } |
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if ($url) { |
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$r->print('<a href="'.&Apache::lonratsrv::qtescape($url).'">'); |
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} |
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$r->print(&Apache::lonratsrv::qtescape($title)); |
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if ($url) { $r->print('</a>'); } |
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$r->print('<br>'); |
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} |
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} |
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$r->print('</body></html>'); |
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} |
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# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
Line 186 sub handler {
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Line 317 sub handler {
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&nodir($r,$dir); |
&nodir($r,$dir); |
return OK; |
return OK; |
} |
} |
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# ------------------------------------------- Determine which tools can be used |
my $adv=0; |
my $adv=0; |
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unless ($ENV{'form.forcesmp'}) { |
unless ($ENV{'form.forcesmp'}) { |
Line 197 sub handler {
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Line 330 sub handler {
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} |
} |
} |
} |
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if ($adv) { |
my $errtext=''; |
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my $fatal=0; |
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# -------------------------------------------------------------------- Load map |
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($errtext,$fatal)=&mapread($fn,$errtext); |
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if ($fatal==1) { $adv=1; } |
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# ----------------------------------- adv==1 now means "graphical MUST be used" |
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if ($ENV{'form.forceadv'}) { |
&ratedt($r,$url); |
&ratedt($r,$url); |
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} elsif ($ENV{'form.forcesmp'}) { |
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&smpedt($r,$errtext); |
} else { |
} else { |
&smpedt($r,$fn); |
&viewmap($r,$adv,$errtext); |
} |
} |
return OK; |
return OK; |
} |
} |