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Diff for /loncom/interface/groupsort.pm between versions 1.1 and 1.68

version 1.1, 2001/08/08 03:00:54 version 1.68, 2011/07/04 09:24:58
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 #  
 # The LON-CAPA group sort handler  # The LON-CAPA group sort handler
 #  
 # Allows for sorting prior to import into RAT.  # Allows for sorting prior to import into RAT.
 #  #
 # YEAR=2001  # $Id$
 # 8/7 Scott Harrison  # 
   # 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/
   #
   ###
   
 package Apache::groupsort;  package Apache::groupsort;
   
Line 13  use strict; Line 34  use strict;
   
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use GDBM_File;  use GDBM_File;
   use Apache::loncommon;
   use Apache::lonlocal;
   use Apache::lonnet;
   use LONCAPA;
   
   my $iconpath; # variable to be accessible to multiple subroutines
   my %hash; # variable to tie to user specific database
   
   
   sub update_actions_hash {
       my ($hash) = @_;
       # be careful in here, there is also a global %hash
       my $acts=$env{'form.acts'};
       my @Acts=split(/b/,$acts);
       my %ahash;
       my %achash;
       # some initial hashes for working with data
       my $ac=0;
       foreach (@Acts) {
     my ($state,$ref)=split(/a/);
    $ahash{$ref}=$state;
    $achash{$ref}=$ac;
    $ac++;
       }
       # sorting through the actions and changing the global database hash
       foreach my $key (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
    if ($ahash{$key} eq '1') {
       $hash->{'store_'.$hash->{'pre_'.$key.'_link'}}=
    $hash->{'pre_'.$key.'_title'};
       $hash->{'storectr_'.$hash->{'pre_'.$key.'_link'}}=
    $hash->{'storectr'}+0;
       $hash->{'storectr'}++;
    }
    if ($ahash{$key} eq '0') {
       if ($hash->{'store_'.$hash->{'pre_'.$key.'_link'}}) {
    delete($hash->{'store_'.$hash->{'pre_'.$key.'_link'}});
    delete($hash->{'storectr_'.$hash->{'pre_'.$key.'_link'}});
       }
    }
       }
       # deleting the previously cached listing
       foreach my $key (keys(%{ $hash })) {
    next if ($key !~ /^pre_(\d+)_link/);
    my $which = $1;
    delete($hash->{'pre_'.$which.'_title'});
    delete($hash->{'pre_'.$which.'_link'});
       }
   }
   
   sub readfromdb {
       my ($r,$resources)=@_;
   
       my $diropendb = LONCAPA::tempdir() .
          "$env{'user.domain'}_$env{'user.name'}_sel_res.db";
   
   # ----------------------------- diropendb is now the filename of the db to open
       if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
    &update_actions_hash(\%hash);
   
    my %temp_resources;
    foreach my $key (keys(%hash)) {
       next if ($key !~ /^store_/);
       my ($url) = ($key =~ /^store_(.*)/);
       $temp_resources{$hash{'storectr_'.$url}}{'url'}=$url;
       $temp_resources{$hash{'storectr_'.$url}}{'title'}=
    &Apache::lonnet::gettitle($url);
    }
   
    # use the temp, since there might be gaps in the counting
    foreach my $item (sort {$a <=> $b} (keys(%temp_resources))) {
       push(@{ $resources },$temp_resources{$item});
    }
   
    if ($env{'form.oldval'}) {
       my $res = splice(@{$resources},$env{'form.oldval'}-1,1);
       if ($env{'form.newval'} == 0) {
    # picked 'discard'
    my $url =  $res->{'url'};
    delete($hash{'storectr_'.$url});
    delete($hash{'store_'.$url});
       } else {
    splice(@{$resources},$env{'form.newval'}-1,0,$res);
       }
    }
    # store out new order
    foreach my $which (0..$#$resources) {
       my $url =  $resources->[$which]{'url'};
       $hash{'storectr_'.$url} = $which;
    }
       } else {
    $r->print('Unable to tie hash to db file');
       }
       untie(%hash);
   }
   
 my %hash;  
 my $iconpath;  
   sub cleanup {
       if (tied(%hash)){
    &Apache::lonnet::logthis('Cleanup groupsort: hash');
           unless (untie(%hash)) {
       &Apache::lonnet::logthis('Failed cleanup groupsort: hash');
           }
       }
       return OK;
   }
   
   # -------------------------------------------------------------- Read from file
   
   sub readfromfile {
       my ($r,$resources)=@_;
       my $cont=&Apache::lonnet::getfile
    (&Apache::lonnet::filelocation('',$env{'form.readfile'}));
       if ($cont==-1) {
    $r->print('Unable to read file: '.
     &Apache::lonnet::filelocation('',$env{'form.readfile'}));
       } else {
           my $parser = HTML::TokeParser->new(\$cont);
           my $token;
           while ($token = $parser->get_token) {
       if ($token->[0] eq 'S') {
                   if ($token->[1] eq 'resource') {
       if ($env{'form.recover'}) {
    if ($token->[2]->{'type'} ne 'zombie') { next; }
       } else {
    if ($token->[2]->{'type'} eq 'zombie') { next; }
       }
   
                       my $name=$token->[2]->{'title'};
       $name=~s/ \[\((\d+)\,($LONCAPA::username_re)\,($LONCAPA::domain_re)\)\]$//;
       my $note;
       if ($1) {
    $note = '<br />'.&mt('Removed by ').
       &Apache::loncommon::plainname($2,$3).', '.
       &Apache::lonlocal::locallocaltime($1);
       }
       $name=~s/\&colon\;/\:/g;
       push(@{$resources}, {'url'   => $token->[2]->{'src'},
    'title' => $name,
    'note'  => $note,
            'id'    => $token->[2]->{'id'},});
    }
       }
    }
       }
   }
   
   
   # ---------------------------------------------------------------- Main Handler
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     my $fileclr='#ffffe6';   
     my $titleclr='#ddffff';     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
     $r->content_type('text/html');       ['acts','mode','readfile','recover']);
   
       &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
     $r->print(<<END);  
 <html>  # finish_import looks different for graphical or "simple" RAT
 <head>      my $finishimport='';
 <title>The LearningOnline Network With CAPA Group Sorter</title>      my $begincondition='';
 <script language='javascript'>      my $endcondition='';
 function insertRowInLastRow() {      if (($env{'form.readfile'}))  {
     opener.insertrow(opener.maxrow);          $begincondition='if (eval("document.forms.groupsort.include"+num+".checked")) {';
     opener.addobj(opener.maxrow,'e&2');   $endcondition='}';
 }  
 function placeResourceInLastRow (title,url,linkflag) {  
     opener.newresource(opener.maxrow,2,opener.escape(title),opener.escape(url),'false','normal');  
     opener.save();  
     opener.mostrecent=opener.obj.length-1;  
     if (linkflag) {  
  opener.joinres(opener.linkmode,opener.mostrecent,0);  
     }      }
     opener.linkmode=opener.mostrecent;      if ($env{'form.mode'} eq 'simple' || $env{'form.mode'} eq '') {
           $finishimport=(<<ENDSMP);
   function finish_import() {
       opener.document.forms.simpleedit.importdetail.value='';
       for (var num=0; num<document.forms.groupsort.fnum.value; num++) {
    $begincondition
    opener.document.forms.simpleedit.importdetail.value+='&'+
                 eval("document.forms.groupsort.title"+num+".value")+'='+
         eval("document.forms.groupsort.filelink"+num+".value")+'='+
         eval("document.forms.groupsort.id"+num+".value");
    $endcondition
       }
       opener.document.forms.simpleedit.submit();
       self.close();
 }  }
   ENDSMP
       } else {
           $finishimport=(<<ENDADV);
 function finish_import() {  function finish_import() {
     var linkflag=false;      var linkflag=false;
     for (var num=0; num<document.forms.groupsort.fnum.value; num++) {      for (var num=0; num<document.forms.groupsort.fnum.value; num++) {
 // if (eval("document.forms.groupsort.filelink"+num+".value")) {   $begincondition
 //    alert(eval("document.forms.groupsort.title"+num+".value")+   insertRowInLastRow();
 //       eval("document.forms.groupsort.filelink"+num+".value"));   placeResourceInLastRow(
     insertRowInLastRow();         eval("document.forms.groupsort.title"+num+".value"),
     placeResourceInLastRow(          eval("document.forms.groupsort.filelink"+num+".value"),
    eval("document.forms.groupsort.title"+num+".value"),          eval("document.forms.groupsort.id"+num+".value"),
    eval("document.forms.groupsort.filelink"+num+".value"),         linkflag
    linkflag   );
    );          linkflag=true;
             linkflag=true;   $endcondition
 // }  
     }      }
     opener.editmode=0;      opener.editmode=0;
     opener.notclear=0;      opener.notclear=0;
     opener.linkmode=0;      opener.linkmode=0;
     opener.infoclear();  
     opener.draw();      opener.draw();
 //    self.close();      self.close();
   }
   ENDADV
       }
   
   # output start of web page
       my $js = <<END;
   <script type="text/javascript">
   function insertRowInLastRow() {
       opener.insertrow(opener.maxrow);
       opener.addobj(opener.maxrow,'e&2');
 }  }
   function placeResourceInLastRow (title,url,id,linkflag) {
       opener.mostrecent=opener.newresource(opener.maxrow,2,opener.escape(title),
          opener.escape(url),'false','normal',id);
       opener.save();
       if (linkflag) {
    opener.joinres(opener.linkmode,opener.mostrecent,0);
       }
       opener.linkmode=opener.mostrecent;
   }
   $finishimport
 function selectchange(val) {  function selectchange(val) {
     var newval=1+eval("document.forms.groupsort.alt"+val+".selectedIndex");      var newval=0+eval("document.forms.groupsort.alt"+val+".selectedIndex");
     orderchange(val,newval);      orderchange(val,newval);
 }  }
 function move(val,newval) {  function move(val,newval) {
Line 76  function orderchange(val,newval) { Line 272  function orderchange(val,newval) {
     document.forms.groupsort.submit();      document.forms.groupsort.submit();
 }  }
 </script>  </script>
 </head>  
 <body bgcolor="#FFFFFF">  
 END  END
       # read pertinent machine configuration
     my $domain  = $r->dir_config('lonDefDomain');      my $domain  = $r->dir_config('lonDefDomain');
     $iconpath= $r->dir_config('lonIconsURL') . "/";      $iconpath = $r->dir_config('lonIconsURL') . "/";
     my $diropendb = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";  
     my %shash;      my @resources;
     my %thash;  
     map {      if ($env{'form.readfile'}) {
        my ($name, $value) = split(/=/,$_);   &readfromfile($r,\@resources);
        $value =~ tr/+/ /;      } else {
        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;   &readfromdb($r,\@resources);
        if ($name eq 'acts') {      }
            $ENV{'form.'.$name}=$value;  
        }      my $ctr = 0;
     } (split(/&/,$ENV{'QUERY_STRING'}));      my $clen = scalar(@resources);
     if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {      my $title = '';
  my $acts=$ENV{'form.acts'};      if ($env{'form.recover'}) {
  my @Acts=split(/b/,$acts);          $title = 'Recover Removed Resources';
  my %ahash;  
  my %achash;  
  my $ac=0;  
  map {  
     my ($state,$ref)=split(/a/);  
     $ahash{$ref}=$state;  
     $achash{$ref}=$ac;  
     $ac++;  
  } (@Acts);  
  map {  
     my $key=$_;  
     if ($ahash{$key} eq '1') {  
 #    $r->print("<b>NEW: ");  
 #    $r->print($hash{'pre_'.$key.'_title'});  
 #    $r->print(" : ");  
 #    $r->print($hash{'pre_'.$key.'_link'});  
 #    $r->print("</b><br />");  
  $hash{'store_'.$hash{'pre_'.$key.'_link'}}=  
     $hash{'pre_'.$key.'_title'};  
  $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=  
     $hash{'storectr'}+0;  
  $hash{'storectr'}++;  
     }  
     if ($ahash{$key} eq '0') {  
  if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {  
     delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};  
  }  
     }  
  } sort {$achash{$a}<=>$achash{$b}} (keys %ahash);  
  map {  
     if ($_ =~ /^store_/) {  
  my $key=$_;  
  $key=~s/^store_//;  
 # $r->print("<b>STORE: ");  
 # $r->print($hash{'storectr_'.$key});  
 # $r->print(':');  
 # $r->print($hash{'store_'.$key});  
 # $r->print(':');  
 # $r->print($key);  
  $shash{$key}=$hash{'storectr_'.$key};  
  $thash{$key}=$hash{'store_'.$key};  
 # $r->print("</b><br />");  
     }  
  } keys %hash;  
  if ($ENV{'form.oldval'}) {  
 #    $r->print('TEST TEST');  
     my $newctr=0;  
     my %chash;  
     map {  
  my $key=$_;  
  $newctr++;  
  $shash{$key}=$newctr;  
  $hash{'storectr_'.$key}=$newctr;  
  $chash{$newctr}=$key;  
     } sort {$shash{$a}<=>$shash{$b}} (keys %shash);  
     my $oldval=$ENV{'form.oldval'};  
     my $newval=$ENV{'form.newval'};  
     if ($oldval!=$newval) {  
  $shash{$chash{$oldval}}=$newval;  
  $hash{'storectr_'.$chash{$oldval}}=$newval;  
  if ($oldval<$newval) { # push down  
     for my $idx ($oldval..($newval-1)) {  
  $shash{$chash{$idx+1}}=$idx;  
  $hash{'storectr_'.$chash{$idx+1}}=$idx;  
     }  
  }  
  elsif ($oldval>$newval) { # push up  
     for my $idx (reverse($newval..($oldval-1))) {  
  $shash{$chash{$idx}}=$idx+1;  
  $hash{'storectr_'.$chash{$idx}}=$idx+1;  
     }  
  }  
     }  
  }  
     } else {      } else {
  $r->print('<html><head></head><body>Unable to tie hash to db file</body></html>');          $title = 'Sort Imported Resources';
  return OK;  
     }      }
     untie %hash;      if (($clen > 1) || ($env{'form.readfile'})) {
 #    $r->print($ENV{'form.acts'});   my %lt=&Apache::lonlocal::texthash(
     my $ctr=0;   'fin'=> 'Finalize order of resources',
     my $clen=scalar(keys %shash);   'ci' => 'Continue Import',
     $r->print('<h2><font color="#888888">The LearningOnline With CAPA Group Sorter</font></h2>'."\n");   'cs' => 'Continue Search',
     $r->print('<b><font color="#888888">Finalize order of resources</font></b>'."\n");   'fi' => 'Finish Import',
     $r->print("<form method='post' action='/adm/groupsort' name='groupsort' enctype='application/x-www-form-urlencoded'>");   're' => 'Recover Checked',
     $r->print(<<END);   'ip' => 'Import Checked',
    'ca' => 'Cancel',
    'co' => 'Change Order',
    'ti' => 'Title',
    'pa' => 'Path',
                   'in' => 'Include'
    );
   
    $r->print(&Apache::loncommon::start_page($title, $js));
    $r->print('<h1>'.&mt($title).'</h1>');
   
    $r->print(<<END);
   <form method='post' action='/adm/groupsort' name='groupsort'
         enctype='application/x-www-form-urlencoded'>
   <input type="hidden" name="fnum" value="$clen" />
   <input type="hidden" name="oldval" value="" />
   <input type="hidden" name="newval" value="" />
   <input type="hidden" name="mode" value="$env{'form.mode'}" />
   <input type="hidden" name="readfile" value="$env{'form.readfile'}" />
   <input type="hidden" name="recover" value="$env{'form.recover'}" />
   END
   
           $r->print(&Apache::loncommon::inhibit_menu_check('input'));
           # ---
   
           my $buttontext = $lt{'re'};
           if ($env{'form.recover'}) {
       $r->print(<<END);
   <input type="button" name="alter" value="$buttontext"
    onClick="finish_import()" />&nbsp;
   <input type="button" name="alter" value="$lt{'ca'}" onClick="self.close()" />
   END
    } else {
           # --- Continue Buttons
       my $resurl = 
    &Apache::loncommon::escape_single(&Apache::loncommon::lastresurl());
       $r->print(<<END);
   <h2>$lt{'fin'}</h2>
   <div>
   <input type="button" name="alter" value="$lt{'ci'}"
    onClick="window.location='$resurl?inhibitmenu=yes&amp;catalogmode=import'" />&nbsp;
   <input type="button" name="altersearch" value="$lt{'cs'}"
    onClick="window.location='/adm/searchcat?inhibitmenu=yes&amp;catalogmode=import'" />&nbsp;
   <input type="button" name="alter" value="$lt{'fi'}"
    onClick="finish_import()" />&nbsp;
   <input type="button" name="alter" value="$lt{'ca'}" onClick="self.close()" />
   </div>
   <br />
   END
           }
   
           # Only display header if content exists
           if ($clen > 0) {
               $r->print(&Apache::loncommon::start_data_table()
                        .&Apache::loncommon::start_data_table_header_row());
               if (($env{'form.readfile'})) { 
                   $r->print("<th>$lt{'in'}</th>\n");
               } else { 
                   $r->print('<th colspan="2">'.$lt{'co'}.'</th>'."\n"); 
               }
               $r->print('<th colspan="2">'.$lt{'ti'}.'</th>'."\n");
               $r->print("<th>$lt{'pa'}</th>");
               $r->print(&Apache::loncommon::end_data_table_header_row()."\n");
           } else {
               my $errtxt = '';
               if ($env{'form.recover'}) {
                   $errtxt = 'There are no resources to recover.';
               } else {
                   $errtxt = 'There are no resources to import.';
               }
               $r->print('<p class="LC_info">'.&mt($errtxt).'</p>');
           }
       } else {
    $r->print(&Apache::loncommon::start_page(undef,$js,
    {'only_body' => 1}));
   #       $r->print('<h1>'.&mt($title).'</h1>');
    $r->print(<<END);
   <form method='post' action='/adm/groupsort' name='groupsort'
         enctype='application/x-www-form-urlencoded'>
 <input type="hidden" name="fnum" value="$clen" />  <input type="hidden" name="fnum" value="$clen" />
 <input type="hidden" name="oldval" value="" />  <input type="hidden" name="oldval" value="" />
 <input type="hidden" name="newval" value="" />  <input type="hidden" name="newval" value="" />
 <input type="button" name="alter" value="GO BACK" onClick="window.location='/res/?catalogmode=groupimport'" />&nbsp;  <input type="hidden" name="mode" value="$env{'form.mode'}" />
 <input type="button" name="alter" value="FINISH IMPORT" onClick="finish_import()" />&nbsp;  
 <input type="button" name="alter" value="CANCEL" onClick="self.close()" />  
 END  END
     $r->print("<table border='0'><tr><td bgcolor='#eeeeee'>");          $r->print(&Apache::loncommon::inhibit_menu_check('input'));
     $r->print("<table border=0><tr>\n");  
     $r->print("<td colspan='2' bgcolor='$titleclr'><b>Change order</b></td>\n");      }
     $r->print("<td colspan='2' bgcolor='$titleclr'><b>Title</b></td>\n");      foreach my $resource (@resources) {
     $r->print("<td bgcolor='$titleclr'><b>Path</b></td></tr>\n");  
     map {  
  my $key=$_;  
  $ctr++;   $ctr++;
  my @file_ext = split(/\./,$key);   my $iconname=&Apache::loncommon::icon($resource->{'url'});
  my $curfext = $file_ext[scalar(@file_ext)-1];   if (($clen > 1) || ($env{'form.readfile'})) {
  $r->print("<tr><td bgcolor='$fileclr'>");      $r->print(&Apache::loncommon::start_data_table_row()
  $r->print(&movers($clen,$ctr));                       ."<td>");
  $r->print(&hidden($ctr-1,$thash{$key},$key));              if (($env{'form.readfile'})) {
  $r->print("</td><td bgcolor='$fileclr'>");   $r->print(&checkbox($ctr-1));
  $r->print(&select_box($clen,$ctr));      } else {
  $r->print("</td><td bgcolor='$fileclr'>");   $r->print(&movers($clen,$ctr));
  $r->print("<img src='$iconpath$curfext.gif'>");      }
  $r->print("</td><td bgcolor='$fileclr'>");   }
  $r->print("$thash{$key}</td><td bgcolor='$fileclr'>\n");   $r->print(&hidden($ctr-1,$resource->{'title'},$resource->{'url'},
  $r->print("$key</td></tr>\n");    $resource->{'id'}));
     } sort {$shash{$a}<=>$shash{$b}} (keys %shash);   if (($clen > 1)  || ($env{'form.readfile'})) {
     $r->print("</table></td></tr></table></form>");      $r->print("</td>");
     $r->print(<<END);              unless (($env{'form.readfile'})) {
 </body>   $r->print("<td>".
 </html>    &select_box($clen,$ctr).
     "</td>");
       }
       $r->print("<td>");
       $r->print("<img src='$iconname' />");
       $r->print("</td><td>");
       $r->print($resource->{'title'}.$resource->{'notes'}."</td><td>\n");
       $r->print($resource->{'url'}."</td>"
                        .&Apache::loncommon::end_data_table_row()
                        ."\n");
    } 
       }
       if (($clen > 1) || ($env{'form.readfile'})) {
           if ($clen > 0) {
               $r->print(&Apache::loncommon::end_data_table());
           }
           $r->print('</form>');
       } else {
    $r->print(<<END);
   <script type="text/javascript">
       finish_import();
   </script>
 END  END
       }
   
       $r->print(&Apache::loncommon::end_page());
   
     return OK;      return OK;
 }  }
   
   # --------------------------------------- Hidden values (returns scalar string)
 sub hidden {  sub hidden {
     my ($sel,$title,$filelink)=@_;      my ($sel,$title,$filelink,$id) = @_;
     my $string='<input type="hidden" name="title'.$sel.'" value="'.$title.'" />';      my $string = '<input type="hidden" name="title'.$sel.'" value="'.
     $string.='<input type="hidden" name="filelink'.$sel.'" value="'.$filelink.'" />';   &escape($title).'" />';
       $filelink=~s|^/ext/|http://|;
       $string .= '<input type="hidden" name="filelink'.$sel.'" value="'.
    &escape($filelink).'" />';
       $string .= '<input type="hidden" name="id'.$sel.'" value="'.&escape($id).'" />';
     return $string;      return $string;
 }  }
   
   # --------------------------------------- Moving arrows (returns scalar string)
 sub movers {  sub movers {
     my ($total,$sel)=@_;      my ($total,$sel) = @_;
     my $dsel=$sel-1;      my $dsel = $sel-1;
     my $usel=$sel+1;      my $usel = $sel+1;
     $usel=1 if $usel>$total;      $usel = 1 if $usel > $total;
     $dsel=$total if $dsel<1;      $dsel = $total if $dsel < 1;
     my $string;      my $string;
     $string=<<END;      $string = (<<END);
 <table border='0' cellspacing='0' cellpadding='0'>  <table border='0' cellspacing='0' cellpadding='0'>
 <tr><td><a href='javascript:move($sel,$dsel)'><img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>  <tr><td><a href='javascript:move($sel,$dsel)'>
 <tr><td><a href='javascript:move($sel,$usel)'><img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>  <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
   <tr><td><a href='javascript:move($sel,$usel)'>
   <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
 </table>  </table>
 END  END
     return $string;      return $string;
 }  }
 1;  
   # ------------------------------------------ Select box (returns scalar string)
 sub select_box {  sub select_box {
     my ($total,$sel)=@_;      my ($total,$sel) = @_;
     my $string;      my $string;
     $string='<select name="alt'.$sel.'"';      $string = '<select name="alt'.$sel.'"';
     $string.=" onChange='selectchange($sel)'>";      $string .= " onChange='selectchange($sel)'>";
       $string .= "<option name='o0' value='0'>".&mt('discard')."</option>";
     for my $cur (1..$total) {      for my $cur (1..$total) {
  $string.="<option name='o$cur' value='$cur'";   $string .= "<option name='o$cur' value='$cur'";
  if ($cur==$sel) {   if ($cur == $sel) {
     $string.="selected";      $string .= "selected";
  }   }
  $string.=">$cur</option>";   $string .= ">$cur</option>";
     }      }
     $string.="</select>\n";      $string .= "</select>\n";
     return $string;      return $string;
 }  }
   
   # ------------------------------------------------------------------- Checkbox
   
   sub checkbox {
       my $sel=shift;
       return "<label><input type='checkbox' name='include$sel'".
          ($env{"form.include$sel"}?' checked="checked"':'').
          ' />'.&mt('Include').'</label>';
   }
   
 1;  1;
   
 __END__  __END__
   
   =pod
   
   =head1 NAME
   
   Apache::groupsort.pm
   
   =head1 SYNOPSIS
   
   Implements a second phase of importing
   multiple resources into the RAT. Allows for
   reordering the sequence of resources
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   
   =head1 NOTABLE SUBROUTINES
   
   =over
   
   =item 
   
   =back
   
   =cut
   
Removed from v.1.1  
changed lines
  Added in v.1.68

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