--- rat/lonratedt.pm 2002/05/10 18:58:04 1.8
+++ rat/lonratedt.pm 2002/05/13 15:36:05 1.12
@@ -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 1.12 2002/05/13 15:36:05 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -37,39 +37,92 @@ use Apache::Constants qw(:common);
use Apache::lonnet;
use Apache::lonratsrv;
-my @links=();
+my @order=();
my @resources=();
# Mapread read maps into global arrays @links and @resources, determines status
-
+# sets @order - pointer to resources in right order
+# sets @resources - array with the resources with correct idx
+#
sub mapread {
my $fn=shift;
+ my @links;
undef @links;
undef @resources;
+ undef @order;
my ($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);
+ ('Map 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);
+ ('Map has conditions. Use advanced editor.',1);
}
- $links[$item[0]]=$item[1];
}
}
+ for (my $i=0; $i<=$#resources; $i++) {
+ if (defined($resources[$i])) {
+ unless (($starters[$i]) || ($endings[$i])) {
+ return
+ ('Map has unconnected resources. Use advanced editor.',1);
+ }
+ }
+ }
+
+# -------------------------------------------------- This is a linear map, sort
+
+ my $startidx=0;
+ my $endidx=0;
+ for (my $i=0; $i<=$#resources; $i++) {
+ if (defined($resources[$i])) {
+ my ($title,$url,$ext,$type)=split(/\:/,$resources[$i]);
+ if ($type eq 'start') { $startidx=$i; }
+ if ($type eq 'finish') { $endidx=$i; }
+ }
+ }
+ my $k=0;
+ my $currentidx=$startidx;
+ $order[$k]=$currentidx;
+ for (my $i=0; $i<=$#resources; $i++) {
+ foreach (@links) {
+ my ($start,$end)=split(/\:/,$_);
+ if ($start==$currentidx) {
+ $currentidx=$end;
+ $k++;
+ $order[$k]=$currentidx;
+ last;
+ }
+ }
+ if ($currentidx==$endidx) { last; }
+ }
return $errtext;
}
@@ -113,6 +166,48 @@ sub buttons {
sub smpedt {
my ($r,$errtext)=@_;
my $buttons=&buttons(2);
+
+# ---------------------------------------------------------- Process form input
+
+ my @importselect=();
+ my @targetselect=();
+ undef @importselect;
+ undef @targetselect;
+ if (defined($ENV{'form.import'})) {
+ if (ref($ENV{'form.import'})) {
+ @importselect=$ENV->{'form.import'};
+ } else {
+ @importselect=($ENV{'form.import'});
+ }
+ }
+ if (defined($ENV{'form.target'})) {
+ if (ref($ENV{'form.target'})) {
+ @targetselect=$ENV->{'form.target'};
+ } else {
+ @targetselect=($ENV{'form.target'});
+ }
+ }
+# ---------------------------------------------------------
+
+ my $targetdetail=();
+
+ my @imporder=();
+ my @impresources=();
+ my $importdetail='';
+# ------------------------------------------------------------ Assemble windows
+
+ my $importwindow=join("\n",map {
+ my ($name)=split(/\:/,$impresources[$_]);
+ unless ($name) { $name='UNKNOWN'; }
+ '<option value="'.$_.'">'.$name.'</option>';
+ } @imporder);
+
+ my $targetwindow=join("\n",map {
+ my ($name)=split(/\:/,$resources[$_]);
+ unless ($name) { $name='UNKNOWN'; }
+ '<option value="'.$_.'">'.$name.'</option>';
+ } @order);
+
# ----------------------------------------------------- Start simple RAT screen
$r->print(<<ENDSMPHEAD);
<html>
@@ -201,15 +296,42 @@ function idxcheck(mode) {
<body bgcolor='#FFFFFF'>
$buttons
<font color=red>$errtext</font>
-<a href="javascript:groupsearch()">Group Search</a>
-<a href="javascript:groupimport()">Group Import</a>
-
+<form method=post>
+<input type=hidden name=forcesmp value=1>
+<table>
+ <tr><th width="40%">Import</th>
+<th> </th>
+<th width="40%">Target</th></tr>
+<tr><td bgcolor="#FFFFCC">
+<input type=button onClick="javascript:groupsearch()" value="Group Search">
+<input type=button onClick="javascript:groupimport()" value="Group Import">
+<input type=button onClick="javascript:viewimport()" value="View">
+ </td><td> </td><td bgcolor="#FFFFCC">
+<input type=button onClick="javascript:viewtarget()" value="View">
+</td></tr>
+<tr><td bgcolor="#FFFFCC"><select name="import" multiple>
+$importwindow
+</select>
+</td>
+<td bgcolor="#FFFFAA" align="center">
+Cut selected<br>
+<input type=submit name=cut value='<<<'><p>
+<hr>
+Paste after selected<br>
+<input type=submit name=paste value='>>>'>
+</td>
+<td bgcolor="#FFFFCC"><select name="target" multiple>
+$targetwindow
+</select>
+</table>
+<input type=hidden name=importdetail value="$importdetail">
+<input type=hidden name=targetdetail value="$targetdetail">
+</form>
+</body></html>
ENDSMPHEAD
-
- $r->print(
- '<input type=submit name=forcesmp value="Store"></form></body></html>');
}
+# ----------------------------------------------------------------- No such dir
sub nodir {
my ($r,$dir)=@_;
$dir=~s/^\/home\/\w+\/public\_html//;
@@ -225,9 +347,25 @@ ENDNODIR
# ---------------------------------------------------------------- View Handler
sub viewmap {
- my ($r,$adv)=@_;
+ my ($r,$adv,$errtext)=@_;
$r->print('<html><body bgcolor="#FFFFFF">'.&buttons($adv));
-
+ if ($errtext) {
+ $r->print($errtext.'<hr>');
+ }
+ foreach (@resources) {
+ if (defined($_)) {
+ my ($title,$url)=split(/\:/,$_);
+ $title=~s/\&colon\;/\:/g;
+ $url=~s/\&colon\;/\:/g;
+ unless ($title) { $title='<i>Unknown</i>'; }
+ if ($url) {
+ $r->print('<a href="'.&Apache::lonratsrv::qtescape($url).'">');
+ }
+ $r->print(&Apache::lonratsrv::qtescape($title));
+ if ($url) { $r->print('</a>'); }
+ $r->print('<br>');
+ }
+ }
$r->print('</body></html>');
}
@@ -276,7 +414,7 @@ sub handler {
} elsif ($ENV{'form.forcesmp'}) {
&smpedt($r,$errtext);
} else {
- &viewmap($r,$adv);
+ &viewmap($r,$adv,$errtext);
}
return OK;
}