--- rat/lonratedt.pm 2002/05/10 19:46:52 1.9
+++ rat/lonratedt.pm 2002/05/23 10:19:30 1.28
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Edit Handler for RAT Maps
#
-# $Id: lonratedt.pm,v 1.9 2002/05/10 19:46:52 www Exp $
+# $Id: lonratedt.pm,v 1.28 2002/05/23 10:19:30 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -37,17 +37,23 @@ use Apache::Constants qw(:common);
use Apache::lonnet;
use Apache::lonratsrv;
-my @links=();
-my @resources=();
+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 $fn=shift;
+ my @links;
undef @links;
undef @resources;
+ undef @order;
+ @resources=('');
+ @order=();
my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
if ($errtext) { return ($errtext,2); }
@@ -73,20 +79,168 @@ sub mapread {
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);
}
$starters[$start]=1;
$endings[$end]=1;
if ($cond) {
return
- ('Map too complex, has conditions. Use advanced editor.',1);
+ ('Map has conditions. Use advanced editor.',1);
}
}
}
+ for (my $i=1; $i<=$#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;
}
+# ---------------------------------------------- Read a map as well as possible
+# Also used by the sequence handler
+# Call lonsequence::attemptread to read from resource space
+#
+sub attemptread {
+ my $fn=shift;
+
+ my @links;
+ undef @links;
+ my @theseres;
+ undef @theseres;
+
+ my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
+ if ($errtext) { return @theseres }
+
+# -------------------------------------------------------------------- Read map
+ foreach (split(/\<\&\>/,$outtext)) {
+ my ($command,$number,$content)=split(/\<\:\>/,$_);
+ if ($command eq 'objcont') {
+ $theseres[$number]=$content;
+ }
+ if ($command eq 'objlinks') {
+ $links[$number]=$content;
+ }
+ }
+
+# --------------------------------------------------------------- Sort, sort of
+
+ my @objsort=();
+ undef @objsort;
+
+ my @data1=();
+ my @data2=();
+ undef @data1;
+ undef @data2;
+
+ my $k;
+ my $kj;
+ my $j;
+ my $ij;
+
+ for ($k=1;$k<=$#theseres;$k++) {
+ if (defined($theseres[$k])) {
+ $objsort[$#objsort+1]=$k;
+ }
+ }
+
+ for ($k=1;$k<=$#links;$k++) {
+ if (defined($links[$k])) {
+ @data1=split(/\:/,$links[$k]);
+ $kj=-1;
+ for (my $j=0;$j<=$#objsort;$j++) {
+ if ((split(/\:/,$objsort[$j]))[0]==$data1[0]) {
+ $kj=$j;
+ }
+ }
+ if ($kj!=-1) { $objsort[$kj].=':'.$data1[1]; }
+ }
+ }
+ for ($k=0;$k<=$#objsort;$k++) {
+ for ($j=0;$j<=$#objsort;$j++) {
+ if ($k!=$j) {
+ @data1=split(/\:/,$objsort[$k]);
+ @data2=split(/\:/,$objsort[$j]);
+ my $dol=$#data1+1;
+ my $dtl=$#data2+1;
+ if ($dol+$dtl<1000) {
+ for ($kj=1;$kj<$dol;$kj++) {
+ if ($data1[$kj]==$data2[0]) {
+ for ($ij=1;$ij<$dtl;$ij++) {
+ $data1[$#data1+1]=$data2[$ij];
+ }
+ }
+ }
+ for ($kj=1;$kj<$dtl;$kj++) {
+ if ($data2[$kj]==$data1[0]) {
+ for ($ij=1;$ij<$dol;$ij++) {
+ $data2[$#data2+1]=$data1[$ij];
+ }
+ }
+ }
+ $objsort[$k]=join(':',@data1);
+ $objsort[$j]=join(':',@data2);
+ }
+ }
+ }
+ }
+# ---------------------------------------------------------------- Now sort out
+
+ @objsort=sort {
+ my @data1=split(/\:/,$a);
+ my @data2=split(/\:/,$b);
+ my $rvalue=0;
+ my $k;
+ for ($k=1;$k<=$#data1;$k++) {
+ if ($data1[$k]==$data2[0]) { $rvalue--; }
+ }
+ for ($k=1;$k<=$#data2;$k++) {
+ if ($data2[$k]==$data1[0]) { $rvalue++; }
+ }
+ if ($rvalue==0) { $rvalue=$#data2-$#data1; }
+ $rvalue;
+ } @objsort;
+
+ my @outres=();
+ undef @outres;
+
+ for ($k=0;$k<=$#objsort;$k++) {
+ $outres[$k]=$theseres[(split(/\:/,$objsort[$k]))[0]];
+ }
+ return @outres;
+}
+
# --------------------------------------------------------- Build up RAT screen
sub ratedt {
my ($r,$url)=@_;
@@ -124,9 +278,290 @@ sub buttons {
return $output.'</form><hr>';
}
+# ----------------------------------------------------------- Paste into target
+# modifies @order, @resources
+
+sub pastetarget {
+ my ($after,@which)=@_;
+ my @insertorder=();
+ foreach (@which) {
+ if (defined($_)) {
+ my ($name,$url)=split(/\=/,$_);
+ $name=&Apache::lonnet::unescape($name);
+ $url=&Apache::lonnet::unescape($url);
+ if ($url) {
+ my $idx=$#resources+1;
+ $insertorder[$#insertorder+1]=$idx;
+ my $ext='false';
+ if ($url=~/^http\:\/\//) { $ext='true'; }
+ $url=~s/\:/\:/g;
+ $resources[$idx]=$name.':'.$url.':'.$ext.':normal:res';
+ }
+ }
+ }
+ my @oldorder=splice(@order,$after);
+ @order=(@order,@insertorder,@oldorder);
+}
+
+# ------------------------------------------------ Get start and finish correct
+# modifies @resources
+
+sub startfinish {
+ foreach (@order) {
+ my ($name,$url,$ext)=split(/\:/,$resources[$_]);
+ if ($url=~/http\&colon\:\/\//) { $ext='true'; }
+ $resources[$_]=$name.':'.$url.':'.$ext.':normal:res';
+ }
+ my ($name,$url,$ext)=split(/\:/,$resources[$order[0]]);
+ $resources[$order[0]]=$name.':'.$url.':'.$ext.':start:res';
+ my ($name,$url,$ext)=split(/\:/,$resources[$order[$#order]]);
+ $resources[$order[$#order]]=$name.':'.$url.':'.$ext.':finish:res';
+}
+
+# ------------------------------------------------------------------- Store map
+
+sub storemap {
+ my $fn=shift;
+ &startfinish();
+ my $output='graphdef<:>no';
+ my $k=1;
+ for (my $i=0; $i<=$#order; $i++) {
+ if (defined($resources[$order[$i]])) {
+ $output.='<&>objcont<:>'.$order[$i].'<:>'.$resources[$order[$i]];
+ }
+ if (defined($order[$i+1])) {
+ if (defined($resources[$order[$i+1]])) {
+ $output.='<&>objlinks<:>'.$k.'<:>'.
+ $order[$i].':'.$order[$i+1].':0';
+ $k++;
+ }
+ }
+ }
+ $output=~s/http\&colon\;\/\///g;
+ $ENV{'form.output'}=$output;
+ return
+ &Apache::lonratsrv::loadmap($fn,&Apache::lonratsrv::savemap($fn,''));
+}
+
+# ------------------------------------------------------- Simple edit processor
+
sub smpedt {
- my ($r,$errtext)=@_;
+ my ($r,$url,$errtext)=@_;
my $buttons=&buttons(2);
+
+# ---------------------------------------------------------- Process form input
+
+ my @importselect=();
+ my @targetselect=();
+ undef @importselect;
+ undef @targetselect;
+ if (defined($ENV{'form.importsel'})) {
+ if (ref($ENV{'form.importsel'})) {
+ @importselect=sort(@{$ENV{'form.importsel'}});
+ } else {
+ @importselect=($ENV{'form.importsel'});
+ }
+ }
+ if (defined($ENV{'form.target'})) {
+ if (ref($ENV{'form.target'})) {
+ @targetselect=sort(@{$ENV{'form.target'}});
+ } else {
+ @targetselect=($ENV{'form.target'});
+ }
+ }
+# ============================================================ Process commands
+
+ my $targetdetail=$ENV{'form.targetdetail'};
+ my $importdetail=$ENV{'form.curimpdetail'};
+
+# ---------------------------------------------------- Importing from groupsort
+ if (($ENV{'form.importdetail'}) && (!$ENV{'form.impfortarget'})) {
+
+ $importdetail='';
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
+
+ my $lastsel;
+
+ if (defined($importselect[-1])) {
+ $lastsel=$importselect[-1];
+ } else {
+ $lastsel=$#curimport;
+ }
+
+ for (my $i=0;$i<=$lastsel;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+
+ $importdetail.='&'.$ENV{'form.importdetail'};
+
+ for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+ $importdetail=~s/\&+/\&/g;
+ $importdetail=~s/^\&//;
+
+# ------------------------------------------------------------------- Clear all
+ } elsif ($ENV{'form.clear'}) {
+ $importdetail='';
+# ------------------------------------------------------------ Discard selected
+ } elsif ($ENV{'form.discard'}) {
+ $importdetail='';
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
+ foreach (@importselect) {
+ $curimport[$_]='';
+ }
+ for (my $i=0;$i<=$#curimport;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+# --------------------------------------------------------- Loading another map
+ } elsif ($ENV{'form.loadmap'}) {
+ $importdetail='';
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
+
+ my $lastsel;
+
+ if (defined($importselect[-1])) {
+ $lastsel=$importselect[-1];
+ } else {
+ $lastsel=$#curimport;
+ }
+
+ for (my $i=0;$i<=$lastsel;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+
+ foreach (
+ &attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {
+ my ($name,$url)=split(/\:/,$_);
+ if ($url) {
+ $importdetail.='&'.&Apache::lonnet::escape($name).'='.
+ &Apache::lonnet::escape($url);
+ }
+ }
+
+ for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+ $importdetail=~s/\&+/\&/g;
+ $importdetail=~s/^\&//;
+
+# ------------------------------------------------ Groupimport/search to target
+ } elsif ($ENV{'form.importdetail'}) {
+ my $lastsel;
+ if (defined($targetselect[-1])) {
+ $lastsel=$targetselect[-1];
+ } else {
+ $lastsel=$#order+1;
+ }
+ &pastetarget($lastsel,split(/\&/,$ENV{'form.importdetail'}));
+ &storemap(&Apache::lonnet::filelocation('',$url));
+# ------------------------------------------------------------------------- Cut
+ } elsif (($ENV{'form.cut'}) || ($ENV{'form.copy'})) {
+ $importdetail='';
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
+
+ my $lastsel;
+
+ if (defined($importselect[-1])) {
+ $lastsel=$importselect[-1];
+ } else {
+ $lastsel=$#curimport;
+ }
+
+ for (my $i=0;$i<=$lastsel;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+
+ foreach (@targetselect) {
+ my ($name,$url)=split(/\:/,$resources[$order[$_-1]]);
+ if ($url) {
+ $importdetail.='&'.&Apache::lonnet::escape($name).'='.
+ &Apache::lonnet::escape($url);
+ }
+ }
+
+ for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+ $importdetail=~s/\&+/\&/g;
+ $importdetail=~s/^\&//;
+
+ if ($ENV{'form.cut'}) {
+ my @neworder=();
+ for (my $i=0;$i<=$#order;$i++) {
+ my $include=1;
+ foreach (@targetselect) {
+ if ($_-1==$i) { $include=0; }
+ }
+ if ($include) { $neworder[$#neworder+1]=$order[$i]; }
+ }
+ @order=@neworder;
+ &storemap(&Apache::lonnet::filelocation('',$url));
+ }
+
+# ----------------------------------------------------------------------- Paste
+ } elsif ($ENV{'form.paste'}) {
+ my $lastsel;
+ if (defined($targetselect[-1])) {
+ $lastsel=$targetselect[-1];
+ } else {
+ $lastsel=$#order+1;
+ }
+ my @newsequence;
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
+ foreach (@importselect) {
+ $newsequence[$#newsequence+1]=$curimport[$_];
+ }
+ &pastetarget($lastsel,@newsequence);
+ &storemap(&Apache::lonnet::filelocation('',$url));
+# ------------------------------------------------
+ }
+# ------------------------------------------------------------ Assemble windows
+
+ my $idx=-1;
+ my $importwindow=join("\n",map {
+ $idx++;
+ if ($_) {
+ my ($name,$url)=split(/\=/,$_);
+ unless ($name) { $name=(split(/\//,$url))[-1]; }
+ unless ($name) { $name='EMPTY'; }
+ '<option value="'.$idx.'">'.&Apache::lonnet::unescape($name).
+ '</option>';
+ }
+ } split(/\&/,$importdetail));
+
+ $idx=0;
+ my $targetwindow=join("\n",map {
+ my ($name,$url)=split(/\:/,$resources[$_]);
+ unless ($name) { $name=(split(/\//,$url))[-1]; }
+ unless ($name) { $name='EMPTY'; }
+ $targetdetail.='&'.&Apache::lonnet::escape($name).'='.
+ &Apache::lonnet::escape($url);
+ $idx++;
+ '<option value="'.$idx.'">'.$name.'</option>';
+ } @order);
+
# ----------------------------------------------------- Start simple RAT screen
$r->print(<<ENDSMPHEAD);
<html>
@@ -210,20 +645,111 @@ function idxcheck(mode) {
}
idx.focus();
}
+
+
+ var editbrowser;
+ function openbrowser(formname,elementname,only,omit) {
+ var url = '/res/?';
+ if (editbrowser == null) {
+ url += 'launch=1&';
+ }
+ url += 'catalogmode=interactive&';
+ url += 'mode=edit&';
+ url += 'form=' + formname + '&';
+ if (only != null) {
+ url += 'only=' + only + '&';
+ }
+ if (omit != null) {
+ url += 'omit=' + omit + '&';
+ }
+ url += 'element=' + elementname + '';
+ var title = 'Browser';
+ var options = 'scrollbars=1,resizable=1,menubar=0';
+ options += ',width=700,height=600';
+ editbrowser = open(url,title,options,'1');
+ editbrowser.focus();
+ }
+
+ function openview(entry) {
+ var url=unescape((entry.split('='))[1]);
+ var parts=new Array;
+ parts=url.split(':');
+ url=parts.join(':');
+ if (url) { open(url,'cat'); }
+ }
+
+ function viewtarget() {
+ openview((document.forms.simpleedit.targetdetail.value.split('&'))
+ [document.forms.simpleedit.target.selectedIndex+1]);
+ }
+
+ function viewimport() {
+ openview((document.forms.simpleedit.curimpdetail.value.split('&'))
+ [document.forms.simpleedit.importsel.selectedIndex+1]);
+ }
+
</script>
</head>
<body bgcolor='#FFFFFF'>
$buttons
<font color=red>$errtext</font>
-<a href="javascript:groupsearch()">Group Search</a>
-<a href="javascript:groupimport()">Group Import</a>
-
+<form name=simpleedit 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">
+after selected
+<hr>
+<input type=text size=20 name=importmap>
+<input type=button
+onClick="javascript:openbrowser('simpleedit','importmap','sequence,page','')"
+value="Browse"><input type=submit name=loadmap value="Load Map"><hr>
+<input type=submit name="discard" value="Discard Selected">
+<input type=submit name="clear" value="Clear All">
+<input type=button onClick="javascript:viewimport()" value="View">
+
+ </td><td> </td><td bgcolor="#FFFFCC">
+
+<input type=button onClick=
+"javascript:impfortarget.value=1;groupsearch()" value="Group Search">
+<input type=button onClick=
+"javascript:impfortarget.value=1;groupimport();" value="Group Import">
+after selected
+<hr><input type=button onClick="javascript:viewtarget()" value="View">
+</td></tr>
+
+<tr><td bgcolor="#FFFFCC"><select name="importsel" size=10 multiple>
+$importwindow
+</select>
+</td>
+<td bgcolor="#FFFFAA" align="center">
+Cut selected<br>
+<input type=submit name=cut value='<<<'><p>
+<hr>
+Copy selected<br>
+<input type=submit name=copy value='<--'><p>
+<hr>
+Paste after selected<br>
+<input type=submit name=paste value='-->'>
+</td>
+<td bgcolor="#FFFFCC"><select name="target" size=10 multiple>
+$targetwindow
+</select>
+</table>
+<input type=hidden name=importdetail value="">
+<input type=hidden name=curimpdetail value="$importdetail">
+<input type=hidden name=targetdetail value="$targetdetail">
+<input type=hidden name=impfortarget value="0">
+</form>
+</body></html>
ENDSMPHEAD
-
- $r->print(
- '<input type=submit name=forcesmp value="Store"></form></body></html>');
}
+# ----------------------------------------------------------------- No such dir
sub nodir {
my ($r,$dir)=@_;
$dir=~s/^\/home\/\w+\/public\_html//;
@@ -239,20 +765,26 @@ ENDNODIR
# ---------------------------------------------------------------- View Handler
sub viewmap {
- my ($r,$adv)=@_;
+ my ($r,$url,$adv,$errtext)=@_;
$r->print('<html><body bgcolor="#FFFFFF">'.&buttons($adv));
- foreach (@resources) {
+ if ($errtext) {
+ $r->print($errtext.'<hr>');
+ }
+ my $idx=0;
+ foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) {
if (defined($_)) {
+ $idx++;
my ($title,$url)=split(/\:/,$_);
$title=~s/\&colon\;/\:/g;
$url=~s/\&colon\;/\:/g;
- unless ($title) { $title='<i>Unknown</i>'; }
+ unless ($title) { $title=(split(/\//,$url))[-1] };
+ unless ($title) { $title='<i>Empty</i>'; }
if ($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('<br>');
}
}
$r->print('</body></html>');
@@ -301,9 +833,9 @@ sub handler {
if ($ENV{'form.forceadv'}) {
&ratedt($r,$url);
} elsif ($ENV{'form.forcesmp'}) {
- &smpedt($r,$errtext);
+ &smpedt($r,$url,$errtext);
} else {
- &viewmap($r,$adv);
+ &viewmap($r,$url,$adv,$errtext);
}
return OK;
}