--- rat/lonratedt.pm	2002/05/14 15:19:13	1.16
+++ rat/lonratedt.pm	2002/08/26 12:38:40	1.33
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Edit Handler for RAT Maps
 #
-# $Id: lonratedt.pm,v 1.16 2002/05/14 15:19:13 www Exp $
+# $Id: lonratedt.pm,v 1.33 2002/08/26 12:38:40 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,9 +36,9 @@ use strict;
 use Apache::Constants qw(:common);
 use Apache::lonnet;
 use Apache::lonratsrv;
+use Apache::lonsequence;
 
-my @order=();
-my @resources=();
+use vars qw(@order @resources);
 
 
 # Mapread read maps into global arrays @links and @resources, determines status
@@ -52,6 +52,8 @@ sub mapread {
     undef @links;
     undef @resources;
     undef @order;
+    @resources=('');
+    @order=();
 
     my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
     if ($errtext) { return ($errtext,2); }
@@ -65,6 +67,9 @@ sub mapread {
         if ($command eq 'objlinks') {
             $links[$number]=$content;
         }
+        if ($command eq 'objparms') {
+	    return('Map has resource parameters. Use advanced editor.',1);
+        }
     }
 # ------------------------------------------------------- Is this a linear map?
     my @starters=();
@@ -88,7 +93,7 @@ sub mapread {
 	}
 
     }
-    for (my $i=0; $i<=$#resources; $i++) {
+    for (my $i=1; $i<=$#resources; $i++) {
         if (defined($resources[$i])) {
 	    unless (($starters[$i]) || ($endings[$i])) {
                 return
@@ -127,7 +132,9 @@ sub mapread {
 }
 
 # ---------------------------------------------- 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;
 
@@ -152,21 +159,90 @@ sub attemptread {
 
 # --------------------------------------------------------------- Sort, sort of
 
-    my $startidx=0;
-    my $endidx=0;
-    for (my $i=0; $i<=$#theseres; $i++) {
-        if (defined($theseres[$i])) {
-            my ($title,$url,$ext,$type)=split(/\:/,$theseres[$i]);
-	    if ($type eq 'start') { $startidx=$i; }
-            if ($type eq 'finish') { $endidx=$i; }
-        }
-    }
+    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;
+      }
+   }
 
-    return @theseres;
+   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 {
@@ -205,119 +281,78 @@ sub buttons {
     return $output.'</form><hr>';
 }
 
-sub smpedt {
-   my ($r,$errtext)=@_;
-   my $buttons=&buttons(2);
-
-# ---------------------------------------------------------- Process form input
+# ----------------------------------------------------------- Paste into target
+# modifies @order, @resources
 
-   my @importselect=();
-   my @targetselect=();
-   undef @importselect;
-   undef @targetselect;
-   if (defined($ENV{'form.import'})) {
-       if (ref($ENV{'form.import'})) {
-	   @importselect=sort($ENV->{'form.import'});
-       } else {
-           @importselect=($ENV{'form.import'});
-       }
-   }
-   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) {
-              $importdetail.='&'.&Apache::lonnet::escape($name).'='.
-		 	         &Apache::lonnet::escape($url);
+sub pastetarget {
+    my ($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/\:/\&colon;/g;
+               $resources[$idx]=$name.':'.$url.':'.$ext.':normal:res';
 	   }
-       }
-
-      $importdetail.='&'.$ENV{'form.importdetail'};
+        }
+    }
+    my @oldorder=splice(@order,$after);
+    @order=(@order,@insertorder,@oldorder);
+}
 
-       for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
-           my ($name,$url)=split(/\=/,$curimport[$i]);
-           if ($url) {
-              $importdetail.='&'.&Apache::lonnet::escape($name).'='.
-		 	         &Apache::lonnet::escape($url);
-	  }
-       }
-       $importdetail=~s/\&+/\&/g;
-       $importdetail=~s/^\&//;
+# ------------------------------------------------ Get start and finish correct
+# modifies @resources
 
-# ------------------------------------------------------------------- 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) {
-              $importdetail.='&'.&Apache::lonnet::escape($name).'='.
-		 	         &Apache::lonnet::escape($url);
-	   }
-       }
-# ---------------------------
+sub startfinish {
+    foreach (@order) {
+	my ($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.':'.$ext.':start:res';
+   if ($#order==0) {
+       $resources[$#resources+1]='::false';
+       $order[1]=$#resources;
    }
+   my ($name,$url,$ext)=split(/\:/,$resources[$order[$#order]]);
+   $resources[$order[$#order]]=$name.':'.$url.':'.$ext.':finish:res';
+}
 
-# ------------------------------------------------------------ Assemble windows
+# ------------------------------------------------------------------- Store map
 
-   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);
+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,''));
+}
 
-# ----------------------------------------------------- Start simple RAT screen
-   $r->print(<<ENDSMPHEAD);
-<html>
-<head>
-<script>
+sub editscript {
+    my $mode=shift;
+    return(<<ENDSCRIPT);
 var srch;
 var srchflag=-1; // 1 means currently open
                  // 0 means closed (but has been open)
@@ -361,7 +396,7 @@ function idxopen(mode) {
    var options="scrollbars=1,resizable=1,menubar=0";
    idxmode=mode;
    idxflag=1;
-   idx=open("/res/?launch=1&mode=simple&catalogmode="+mode,"idxout",options);
+   idx=open("/res/?launch=1&mode=$mode&catalogmode="+mode,"idxout",options);
    idx.focus();
 }
 
@@ -370,7 +405,7 @@ function srchopen(mode) {
    var options="scrollbars=1,resizable=1,menubar=0";
    srchmode=mode;
    srchflag=1;
-   srch=open("/adm/searchcat?launch=1&mode=simple&catalogmode="+mode,"srchout",options);
+   srch=open("/adm/searchcat?launch=1&mode=$mode&catalogmode="+mode,"srchout",options);
    srch.focus();
 }
 // ----------------------------------------------------- launch indexer browser
@@ -420,11 +455,264 @@ function idxcheck(mode) {
         editbrowser = open(url,title,options,'1');
         editbrowser.focus();
     }
+ENDSCRIPT
+}
+# ------------------------------------------------------- Simple edit processor
+
+sub smpedt {
+   my ($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.'='.$url;
+	   }
+       }
+
+       foreach (
+    &Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$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=
+       '<option value="-1"> ---- Import and Paste Area ---- </option>'.
+     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 $targetwindow=       
+       '<option value="0"> ------- Target Edit Map ------- </option>'.
+     join("\n",map { 
+       my ($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
+   my $editscript=&editscript('simple');
+   $r->print(<<ENDSMPHEAD);
+<html>
+<head>
+<script>
+
+   $editscript
+
+   function openview(entry) {
+       var url=unescape((entry.split('='))[1]);
+       var parts=new Array;
+       parts=url.split('&colon;');
+       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>
+<h1>$url</h1>
 <form name=simpleedit method=post>
 <input type=hidden name=forcesmp value=1>
 <table>
@@ -454,7 +742,7 @@ after selected
 <hr><input type=button onClick="javascript:viewtarget()" value="View">
 </td></tr>
 
-<tr><td bgcolor="#FFFFCC"><select name="import" multiple>
+<tr><td bgcolor="#FFFFCC"><select name="importsel" size=10 multiple>
 $importwindow
 </select>
 </td>
@@ -462,10 +750,13 @@ $importwindow
 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='>>>'>
+<input type=submit name=paste value='-->'>
 </td>
-<td bgcolor="#FFFFCC"><select name="target" multiple>
+<td bgcolor="#FFFFCC"><select name="target" size=10 multiple>
 $targetwindow
 </select>
 </table>
@@ -494,13 +785,15 @@ ENDNODIR
 # ---------------------------------------------------------------- View Handler
 
 sub viewmap {
-    my ($r,$adv,$errtext)=@_;
+    my ($r,$url,$adv,$errtext)=@_;
     $r->print('<html><body bgcolor="#FFFFFF">'.&buttons($adv));
     if ($errtext) {
 	$r->print($errtext.'<hr>');
     }
-    foreach (@resources) {
+    my $idx=0;
+    foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) {
 	if (defined($_)) {
+            $idx++;
 	    my ($title,$url)=split(/\:/,$_);
             $title=~s/\&colon\;/\:/g;
             $url=~s/\&colon\;/\:/g;
@@ -511,7 +804,7 @@ sub viewmap {
             }
             $r->print(&Apache::lonratsrv::qtescape($title));
             if ($url) { $r->print('</a>'); }
-            $r->print('<br>');
+	    $r->print('<br>');
         }
     }
     $r->print('</body></html>');
@@ -560,9 +853,9 @@ sub handler {
   if ($ENV{'form.forceadv'}) {
       &ratedt($r,$url);
   } elsif ($ENV{'form.forcesmp'}) {
-      &smpedt($r,$errtext);
+      &smpedt($r,$url,$errtext);
   } else {
-      &viewmap($r,$adv,$errtext);
+      &viewmap($r,$url,$adv,$errtext);
   }
   return OK;
 }