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Diff for /rat/lonratedt.pm between versions 1.1 and 1.8

version 1.1, 2000/07/01 17:55:31 version 1.8, 2002/05/10 18:58:04
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Edit Handler for RAT Maps  # Edit Handler for RAT Maps
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
 # (TeX Content Handler  # (TeX Content Handler
 #  #
 # 05/29/00,05/30 Gerd Kortemeyer)  # 05/29/00,05/30 Gerd Kortemeyer)
 # 7/1 Gerd Kortemeyer  # 7/1,6/30 Gerd Kortemeyer
   
 package Apache::lonratedt;  package Apache::lonratedt;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use Apache::lonnet;
   use Apache::lonratsrv;
   
 # ================================================================ Main Handler  my @links=();
   my @resources=();
   
 sub handler {  
   my $r=shift;  
   $r->content_type('text/html');  
   $r->send_http_header;  
   
   return OK if $r->header_only;  # Mapread read maps into global arrays @links and @resources, determines status
   
   my $url=$r->uri;  sub mapread {
       my $fn=shift;
   
       undef @links;
       undef @resources;
   
       my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
       if ($errtext) { return ($errtext,2); }
   
       foreach (split(/\<\&\>/,$outtext)) {
    my ($command,$parms)=split(/\<\:\>/,$_);
           my @item=split(/\:/,$parms);
           if ($command eq 'objcont') {
           }
           if ($command eq 'objlinks') {
       if (defined($links[$item[0]])) {
    return
                    ('Map too complex, has branchings. Use advanced editor.',1);
               }
       if ($links[$item[2]]) {
    return
                    ('Map too complex, has conditions. Use advanced editor.',1);
               }
       $links[$item[0]]=$item[1];
    }
   
       }
       return $errtext;
   }
   
   # --------------------------------------------------------- Build up RAT screen
   sub ratedt {
     my ($r,$url)=@_;
   $r->print(<<ENDDOCUMENT);    $r->print(<<ENDDOCUMENT);
   
 <html>  <html>
   <head>
   <script language="JavaScript">
       var flag=0;
   </script>
   </head>
 <frameset rows="1,50,*" border=0>  <frameset rows="1,50,*" border=0>
 <frame name=server src="$url/loadonly/ratserver" noresize noscroll>  <frame name=server src="$url/loadonly/ratserver" noresize noscroll>
 <frame name=code src="/adm/rat/code.html">  <frame name=code src="/adm/rat/code.html">
Line 32  sub handler { Line 92  sub handler {
 </html>  </html>
   
 ENDDOCUMENT  ENDDOCUMENT
   }
   
   # ---------------------------------------------------------------- Make buttons
   
   sub buttons {
       my $adv=shift;
       my $output='<form method=post>';     
       if ($adv==1) {
    $output.='<input type=submit name=forceadv value="Edit">';
       } else {
           unless ($adv==2) {
              $output.='<input type=submit name=forcesmp value="Simple Edit">';
           }
    $output.='<input type=submit name=forceadv value="Advanced Edit">';
       }
       return $output.'</form><hr>';
   }
   
   sub smpedt {
      my ($r,$errtext)=@_;
      my $buttons=&buttons(2);
   # ----------------------------------------------------- Start simple RAT screen
      $r->print(<<ENDSMPHEAD);
   <html>
   <head>
   <script>
   var srch;
   var srchflag=-1; // 1 means currently open
                    // 0 means closed (but has been open)
                    // -1 means never yet opened/defined
   var srchmode='';
   
   var idx;
   var idxflag=-1; // 1 means currently open
                    // 0 means closed (but has been open)
                    // -1 means never yet opened/defined
   var idxmode='';
   
   // ------------------------------------------------------ Clears indexer window
   function idxclear() {
     idx.document.clear();
   }
   
   // ------------------------------------------------------- Clears search window
   function srchclear() {
     srch.document.clear();
   }
   
   // ------------------------------------------------------ Closes indexer window
   function idxclose() {
     if (idx && !idx.closed) {
       idxflag=0;
       idx.close();
     }
   }
   
   // ------------------------------------------------------- Closes search window
   function srchclose() {
     if (srch && !srch.closed) {
       srchflag=0;
       srch.close();
     }
   }
   
   // -------------------------------------------------------- Open indexer window
   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.focus();
   }
   
   // --------------------------------------------------------- Open search window
   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.focus();
   }
   // ----------------------------------------------------- launch indexer browser
   function groupsearch() {
      srchcheck('groupsearch');
   }
   
   function groupimport() {
      idxcheck('groupimport');
   }
   // ------------------------------------------------------- Do srch status check
   function srchcheck(mode) {
      if (!srch || srch.closed || srchmode!=mode) {
         srchopen(mode);
      }
      srch.focus();
   }
   
   // -------------------------------------------------------- Do idx status check
   function idxcheck(mode) {
      if (!idx || idx.closed || idxmode!=mode) {
         idxopen(mode);
      }
      idx.focus();
   }
   </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>
   
   ENDSMPHEAD
   
       $r->print(
         '<input type=submit name=forcesmp value="Store"></form></body></html>');
   }
   
   sub nodir {
      my ($r,$dir)=@_;
      $dir=~s/^\/home\/\w+\/public\_html//;
      $r->print(<<ENDNODIR);
   <html>
   <body bgcolor='#FFFFFF'>
   <h1>No such directory: $dir</h1>
   </body>
   </html>
   ENDNODIR
   }
   
   # ---------------------------------------------------------------- View Handler
   
   sub viewmap {
       my ($r,$adv)=@_;
       $r->print('<html><body bgcolor="#FFFFFF">'.&buttons($adv));
   
       $r->print('</body></html>');
   }
   
   # ================================================================ Main Handler
   
   sub handler {
     my $r=shift;
     $r->content_type('text/html');
     $r->send_http_header;
   
     return OK if $r->header_only;
   
     my $url=$r->uri;
     my $fn=&Apache::lonnet::filelocation('',$url);
   
     my ($dir)=($fn=~/^(.+)\/[^\/]+$/);
     unless (-e $dir) {
         &nodir($r,$dir);
         return OK;
     }
   
   # ------------------------------------------- Determine which tools can be used
     my $adv=0;
   
     unless ($ENV{'form.forcesmp'}) {
        if ($ENV{'form.forceadv'}) {
           $adv=1;
        } elsif (my $fh=Apache::File->new($fn)) {
    my $allmap=join('',<$fh>);
            $adv=($allmap=~/\<map[^\>]+mode\s*\=\s*(\'|\")rat/is);
        }
     }
   
     my $errtext='';
     my $fatal=0;
   
   # -------------------------------------------------------------------- Load map
     ($errtext,$fatal)=&mapread($fn,$errtext);
   
     if ($fatal==1) { $adv=1; }
   
   # ----------------------------------- adv==1 now means "graphical MUST be used"
   
     if ($ENV{'form.forceadv'}) {
         &ratedt($r,$url);
     } elsif ($ENV{'form.forcesmp'}) {
         &smpedt($r,$errtext);
     } else {
         &viewmap($r,$adv);
     }
   return OK;    return OK;
 }  }
   
Removed from v.1.1  
changed lines
  Added in v.1.8

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