[BACK]Return to groupsort.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/groupsort.pm between versions 1.26 and 1.34

version 1.26, 2004/01/19 18:17:29 version 1.34, 2005/06/10 02:19:51
Line 26 Line 26
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # YEAR=2001  
 # YEAR=2002  
 #  
 ###  ###
   
 package Apache::groupsort;  package Apache::groupsort;
Line 39  use Apache::Constants qw(:common); Line 36  use Apache::Constants qw(:common);
 use GDBM_File;  use GDBM_File;
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
   
 my %hash; # variable to tie to user specific database  
 my $iconpath; # variable to be accessible to multiple subroutines  my $iconpath; # variable to be accessible to multiple subroutines
   my %hash; # variable to tie to user specific database
   
 sub cleanup {  
     if (tied(%hash)){  
  &Apache::lonnet::logthis('Cleanup groupsort: hash');  
         unless (untie(%hash)) {  
     &Apache::lonnet::logthis('Failed cleanup groupsort: hash');  
         }  
     }  
 }  
   
 # ---------------------------------------------------------------- Main Handler  
 sub handler {  
     my $r = shift;  
    
    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},  
                                            ['acts','catalogmode','mode']);  
     # color scheme  
     my $fileclr = '#ffffe6';  
     my $titleclr = '#ddffff';  
   
     &Apache::loncommon::content_type($r,'text/html');  
     $r->send_http_header;  
     return OK if $r->header_only;  
   
 # finish_import looks different for graphical or "simple" RAT  
     my $finishimport='';  
     if ($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++) {  
  opener.document.forms.simpleedit.importdetail.value+='&'+  
               escape(eval("document.forms.groupsort.title"+num+".value"))+'='+  
       escape(eval("document.forms.groupsort.filelink"+num+".value"));  
     }  
     opener.document.forms.simpleedit.submit();  
     self.close();  
 }  
 ENDSMP  
     } else {  
         $finishimport=(<<ENDADV);  
 function finish_import() {  
     var linkflag=false;  
     for (var num=0; num<document.forms.groupsort.fnum.value; num++) {  
  insertRowInLastRow();  
  placeResourceInLastRow(  
        eval("document.forms.groupsort.title"+num+".value"),  
         eval("document.forms.groupsort.filelink"+num+".value"),  
        linkflag  
  );  
         linkflag=true;  
     }  
     opener.editmode=0;  
     opener.notclear=0;  
     opener.linkmode=0;  
     opener.draw();  
     self.close();  
 }  
 ENDADV  
     }  
   
 # output start of web page  
   
     $r->print(<<END);  
 <html>  
 <head>  
 <title>The LearningOnline Network With CAPA Group Sorter</title>  
 <script language='javascript'>  
 function insertRowInLastRow() {  
     opener.insertrow(opener.maxrow);  
     opener.addobj(opener.maxrow,'e&2');  
 }  
 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;  
 }  
 $finishimport  
 function selectchange(val) {  
     var newval=0+eval("document.forms.groupsort.alt"+val+".selectedIndex");  
     orderchange(val,newval);  
 }  
 function move(val,newval) {  
     orderchange(val,newval);  
 }  
 function orderchange(val,newval) {  
     document.forms.groupsort.oldval.value=val;  
     document.forms.groupsort.newval.value=newval;  
     document.forms.groupsort.submit();  
 }  
 </script>  
 </head>  
 END  
     # read pertinent machine configuration  
     my $domain  = $r->dir_config('lonDefDomain');  
     $iconpath = $r->dir_config('lonIconsURL') . "/";  
   
     my %shash; # sort order (key is resource location, value is sort order)  sub readfromdb {
     my %thash; # title (key is resource location, value is title)      my ($r,$shash,$thash)=@_;
   
     my $diropendb;      my $diropendb;
 # ------------------------------ which file do we open? Easy if explictly given  # ------------------------------ which file do we open? Easy if explictly given
     if ($ENV{'form.catalogmode'} eq 'groupsearch') {      if ($env{'form.catalogmode'} eq 'groupsearch') {
  $diropendb =    $diropendb = 
     "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";      "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_searchcat.db";
     }      } elsif ($env{'form.catalogmode'} eq 'groupimport') {
     elsif ($ENV{'form.catalogmode'} eq 'groupimport') {  
  $diropendb =    $diropendb = 
     "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db";      "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_indexer.db";
     }      } elsif ($env{'form.catalogmode'} eq 'groupsec') {
     elsif ($ENV{'form.catalogmode'} eq 'groupsec') {  
  $diropendb =    $diropendb = 
     "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_groupsec.db";      "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_groupsec.db";
     }      } else {
 # --------------------- not explicitly given, choose the one most recently used  # --------------------- not explicitly given, choose the one most recently used
     else { # choose last accessed  
         my @dbfn;          my @dbfn;
         my @dbst;          my @dbst;
   
  $dbfn[0] =   $dbfn[0] =
     "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";      "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_searchcat.db";
         $dbst[0]=-1;          $dbst[0]=-1;
  if (-e $dbfn[0]) {   if (-e $dbfn[0]) {
     $dbst[0]=(stat($dbfn[0]))[9];      $dbst[0]=(stat($dbfn[0]))[9];
  }   }
  $dbfn[1] =   $dbfn[1] =
             "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db";              "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_indexer.db";
         $dbst[1]=-1;          $dbst[1]=-1;
  if (-e $dbfn[1]) {   if (-e $dbfn[1]) {
             $dbst[1]=(stat($dbfn[1]))[9];              $dbst[1]=(stat($dbfn[1]))[9];
         }          }
  $dbfn[2] =   $dbfn[2] =
             "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_groupsec.db";              "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_groupsec.db";
         $dbst[2]=-1;          $dbst[2]=-1;
  if (-e $dbfn[2]) {   if (-e $dbfn[2]) {
             $dbst[2]=(stat($dbfn[2]))[9];              $dbst[2]=(stat($dbfn[2]))[9];
Line 201  END Line 96  END
     }      }
 # ----------------------------- diropendb is now the filename of the db to open  # ----------------------------- diropendb is now the filename of the db to open
     if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {      if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
  my $acts = $ENV{'form.acts'};   my $acts = $env{'form.acts'};
  my @Acts = split(/b/,$acts);   my @Acts = split(/b/,$acts);
  my %ahash;   my %ahash;
  my %achash;   my %achash;
Line 233  END Line 128  END
     if ($_ =~ /^store_/) {      if ($_ =~ /^store_/) {
  my $key = $_;   my $key = $_;
  $key =~ s/^store_//;   $key =~ s/^store_//;
  $shash{$key} = $hash{'storectr_'.$key};   $$shash{$key} = $hash{'storectr_'.$key};
  $thash{$key} = $hash{'store_'.$key};   if (&Apache::lonnet::gettitle($key) eq '') {
       $$thash{$key} = $hash{'store_'.$key};
    } else {
       $$thash{$key} = &Apache::lonnet::gettitle($key);
    }
     }      }
  }   }
  if ($ENV{'form.oldval'}) {   if ($env{'form.oldval'}) {
     my $newctr = 0;      my $newctr = 0;
     my %chash;      my %chash;
     foreach (sort {$shash{$a} <=> $shash{$b}} (keys %shash)) {      foreach (sort {$$shash{$a} <=> $$shash{$b}} (keys %{$shash})) {
  my $key = $_;   my $key = $_;
  $newctr++;   $newctr++;
  $shash{$key} = $newctr;   $$shash{$key} = $newctr;
  $hash{'storectr_'.$key} = $newctr;   $hash{'storectr_'.$key} = $newctr;
  $chash{$newctr} = $key;   $chash{$newctr} = $key;
     }      }
     my $oldval = $ENV{'form.oldval'};      my $oldval = $env{'form.oldval'};
     my $newval = $ENV{'form.newval'};      my $newval = $env{'form.newval'};
     if ($oldval != $newval) {      if ($oldval != $newval) {
  # when newval==0, then push down and delete   # when newval==0, then push down and delete
  if ($newval!=0) {   if ($newval!=0) {
     $shash{$chash{$oldval}} = $newval;      $$shash{$chash{$oldval}} = $newval;
     $hash{'storectr_'.$chash{$oldval}} = $newval;      $hash{'storectr_'.$chash{$oldval}} = $newval;
  }   } else {
  else {      $$shash{$chash{$oldval}} = $newctr;
     $shash{$chash{$oldval}} = $newctr;  
     $hash{'storectr_'.$chash{$oldval}} = $newctr;      $hash{'storectr_'.$chash{$oldval}} = $newctr;
  }   }
  if ($newval==0) { # push down   if ($newval==0) { # push down
     my $newval2=$newctr;      my $newval2=$newctr;
     for my $idx ($oldval..($newval2-1)) {      for my $idx ($oldval..($newval2-1)) {
  $shash{$chash{$idx+1}} = $idx;   $$shash{$chash{$idx+1}} = $idx;
  $hash{'storectr_'.$chash{$idx+1}} = $idx;   $hash{'storectr_'.$chash{$idx+1}} = $idx;
     }      }
     delete $shash{$chash{$oldval}};      delete $$shash{$chash{$oldval}};
     delete $hash{'storectr_'.$chash{$oldval}};      delete $hash{'storectr_'.$chash{$oldval}};
     delete $hash{'store_'.$chash{$oldval}};      delete $hash{'store_'.$chash{$oldval}};
  }   } elsif ($oldval < $newval) { # push down
  elsif ($oldval < $newval) { # push down  
     for my $idx ($oldval..($newval-1)) {      for my $idx ($oldval..($newval-1)) {
  $shash{$chash{$idx+1}} = $idx;   $$shash{$chash{$idx+1}} = $idx;
  $hash{'storectr_'.$chash{$idx+1}} = $idx;   $hash{'storectr_'.$chash{$idx+1}} = $idx;
     }      }
  }   } elsif ($oldval > $newval) { # push up
  elsif ($oldval > $newval) { # push up  
     for my $idx (reverse($newval..($oldval-1))) {      for my $idx (reverse($newval..($oldval-1))) {
  $shash{$chash{$idx}} = $idx+1;   $$shash{$chash{$idx}} = $idx+1;
  $hash{'storectr_'.$chash{$idx}} = $idx+1;   $hash{'storectr_'.$chash{$idx}} = $idx+1;
     }      }
  }   }
     }      }
  }   }
     } else {      } else {
  $r->print('Unable to tie hash to db file</body></html>');   $r->print('Unable to tie hash to db file');
  return OK;  
     }      }
     untie %hash;      untie %hash;
       return ($shash,$thash);
   }
   
   
   
   sub cleanup {
       if (tied(%hash)){
    &Apache::lonnet::logthis('Cleanup groupsort: hash');
           unless (untie(%hash)) {
       &Apache::lonnet::logthis('Failed cleanup groupsort: hash');
           }
       }
   }
   
   # -------------------------------------------------------------- Read from file
   
   sub readfromfile {
       my ($r,$shash,$thash)=@_;
       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'};
       my $url=$token->[2]->{'src'};
       $name=~s/ \[\((\d+)\,(\w+)\,(\w+)\)\]$//;
       if ($1) {
    $name.='<br />'.&mt('Removed by ').
       &Apache::loncommon::plainname($2,$3).', '.
       &Apache::lonlocal::locallocaltime($1);
       }
       $r->print('<br />'.$name);
    }
       }
    }
       }
       return ($shash,$thash);
   }
   
   # ---------------------------------------------------------------- Main Handler
   sub handler {
       my $r = shift;
    
      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                         ['acts','catalogmode','mode','readfile','recover']);
       # color scheme
       my $fileclr = '#ffffe6';
       my $titleclr = '#ddffff';
   
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
       return OK if $r->header_only;
   
   # finish_import looks different for graphical or "simple" RAT
       my $finishimport='';
       if ($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++) {
    opener.document.forms.simpleedit.importdetail.value+='&'+
                 escape(eval("document.forms.groupsort.title"+num+".value"))+'='+
         escape(eval("document.forms.groupsort.filelink"+num+".value"));
       }
       opener.document.forms.simpleedit.submit();
       self.close();
   }
   ENDSMP
       } else {
           $finishimport=(<<ENDADV);
   function finish_import() {
       var linkflag=false;
       for (var num=0; num<document.forms.groupsort.fnum.value; num++) {
    insertRowInLastRow();
    placeResourceInLastRow(
          eval("document.forms.groupsort.title"+num+".value"),
           eval("document.forms.groupsort.filelink"+num+".value"),
          linkflag
    );
           linkflag=true;
       }
       opener.editmode=0;
       opener.notclear=0;
       opener.linkmode=0;
       opener.draw();
       self.close();
   }
   ENDADV
       }
   
   # output start of web page
       my $html=&Apache::lonxml::xmlbegin();
       $r->print(<<END);
   $html
   <head>
   <title>The LearningOnline Network With CAPA Group Sorter</title>
   <script language='javascript'>
   function insertRowInLastRow() {
       opener.insertrow(opener.maxrow);
       opener.addobj(opener.maxrow,'e&2');
   }
   function placeResourceInLastRow (title,url,linkflag) {
       opener.mostrecent=opener.newresource(opener.maxrow,2,opener.escape(title),
          opener.escape(url),'false','normal');
       opener.save();
       if (linkflag) {
    opener.joinres(opener.linkmode,opener.mostrecent,0);
       }
       opener.linkmode=opener.mostrecent;
   }
   $finishimport
   function selectchange(val) {
       var newval=0+eval("document.forms.groupsort.alt"+val+".selectedIndex");
       orderchange(val,newval);
   }
   function move(val,newval) {
       orderchange(val,newval);
   }
   function orderchange(val,newval) {
       document.forms.groupsort.oldval.value=val;
       document.forms.groupsort.newval.value=newval;
       document.forms.groupsort.submit();
   }
   </script>
   </head>
   END
       # read pertinent machine configuration
       my $domain  = $r->dir_config('lonDefDomain');
       $iconpath = $r->dir_config('lonIconsURL') . "/";
   
       my %shash; # sort order (key is resource location, value is sort order)
       my %thash; # title (key is resource location, value is title)
   
       if ($env{'form.readfile'}) {
    &readfromfile($r,\%shash,\%thash);
       } else {
    &readfromdb($r,\%shash,\%thash);
       }
   
     my $ctr = 0;      my $ctr = 0;
     my $clen = scalar(keys %shash);      my $clen = scalar(keys %shash);
     if ($clen > 1) {      if ($clen > 1) {
Line 309  END Line 354  END
 <input type="hidden" name="fnum" value="$clen" />  <input type="hidden" name="fnum" value="$clen" />
 <input type="hidden" name="oldval" value="" />  <input type="hidden" name="oldval" value="" />
 <input type="hidden" name="newval" value="" />  <input type="hidden" name="newval" value="" />
 <input type="hidden" name="mode" value="$ENV{'form.mode'}" />  <input type="hidden" name="mode" value="$env{'form.mode'}" />
 END  END
   
         # --- Expand here if "GO BACK" button desired          # --- Expand here if "GO BACK" button desired
         if ($ENV{'form.catalogmode'} eq 'groupimport') {          if ($env{'form.catalogmode'} eq 'groupimport') {
               my $resurl = &Apache::loncommon::lastresurl();
     $r->print(<<END);      $r->print(<<END);
 <input type="button" name="alter" value="$lt{'gb'}"  <input type="button" name="alter" value="$lt{'gb'}"
  onClick="window.location='/res/?catalogmode=groupimport'" />&nbsp;   onClick="window.location='$resurl?catalogmode=groupimport'" />&nbsp;
 END  END
         }          }
  if ($ENV{'form.catalogmode'} eq 'groupsearch') {   if ($env{'form.catalogmode'} eq 'groupsearch') {
     $r->print(<<END);      $r->print(<<END);
 <input type="button" name="alter" value="$lt{'ns'}"  <input type="button" name="alter" value="$lt{'ns'}"
  onClick="window.location='/adm/searchcat?catalogmode=groupsearch&cleargroupsort=1'" />&nbsp;   onClick="window.location='/adm/searchcat?catalogmode=groupsearch&cleargroupsort=1'" />&nbsp;
Line 345  END Line 391  END
 <input type="hidden" name="fnum" value="$clen" />  <input type="hidden" name="fnum" value="$clen" />
 <input type="hidden" name="oldval" value="" />  <input type="hidden" name="oldval" value="" />
 <input type="hidden" name="newval" value="" />  <input type="hidden" name="newval" value="" />
 <input type="hidden" name="mode" value="$ENV{'form.mode'}" />  <input type="hidden" name="mode" value="$env{'form.mode'}" />
 END  END
     }      }
     foreach (sort {$shash{$a}<=>$shash{$b}} (keys %shash)) {      foreach (sort {$shash{$a}<=>$shash{$b}} (keys %shash)) {
Removed from v.1.26  
changed lines
  Added in v.1.34

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