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Diff for /loncom/interface/groupsort.pm between versions 1.2 and 1.42

version 1.2, 2001/08/13 14:50:53 version 1.42, 2006/06/08 07:20:41
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  # $Id$
 # 8/7,8/8 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;
   
 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 readfromdb {
       my ($r,$shash,$thash)=@_;
   
       my $diropendb = 
          "/home/httpd/perl/tmp/$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)) {
    my $acts = $env{'form.acts'};
    my @Acts = split(/b/,$acts);
    my %ahash;
    my %achash;
    my $ac = 0;
    foreach (@Acts) {
       my ($state,$ref) = split(/a/);
       $ahash{$ref} = $state;
       $achash{$ref} = $ac;
       $ac++;
    }
    foreach (sort {$achash{$a} <=> $achash{$b}} (keys %ahash)) {
       my $key = $_;
       if ($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_'.$key.'_link'}};
    }
       }
    }
    foreach (keys %hash) {
       if ($_ =~ /^store_/) {
    my $key = $_;
    $key =~ s/^store_//;
    $$shash{$key} = $hash{'storectr_'.$key};
    if (&Apache::lonnet::gettitle($key) eq '') {
       $$thash{$key} = $hash{'store_'.$key};
    } else {
       $$thash{$key} = &Apache::lonnet::gettitle($key);
    }
       }
    }
    if ($env{'form.oldval'}) {
       my $newctr = 0;
       my %chash;
       foreach (sort {$$shash{$a} <=> $$shash{$b}} (keys %{$shash})) {
    my $key = $_;
    $newctr++;
    $$shash{$key} = $newctr;
    $hash{'storectr_'.$key} = $newctr;
    $chash{$newctr} = $key;
       }
       my $oldval = $env{'form.oldval'};
       my $newval = $env{'form.newval'};
       if ($oldval != $newval) {
    # when newval==0, then push down and delete
    if ($newval!=0) {
       $$shash{$chash{$oldval}} = $newval;
       $hash{'storectr_'.$chash{$oldval}} = $newval;
    } else {
       $$shash{$chash{$oldval}} = $newctr;
       $hash{'storectr_'.$chash{$oldval}} = $newctr;
    }
    if ($newval==0) { # push down
       my $newval2=$newctr;
       for my $idx ($oldval..($newval2-1)) {
    $$shash{$chash{$idx+1}} = $idx;
    $hash{'storectr_'.$chash{$idx+1}} = $idx;
       }
       delete $$shash{$chash{$oldval}};
       delete $hash{'storectr_'.$chash{$oldval}};
       delete $hash{'store_'.$chash{$oldval}};
    } elsif ($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 {
    $r->print('Unable to tie hash to db file');
       }
       untie %hash;
       return ($shash,$thash);
   }
   
   
   
   sub cleanup {
       if (tied(%hash)){
    &Apache::lonnet::logthis('Cleanup groupsort: hash');
           unless (untie(%hash)) {
       &Apache::lonnet::logthis('Failed cleanup groupsort: hash');
           }
       }
       return OK;
   }
   
   # -------------------------------------------------------------- Read from file
   
   sub readfromfile {
       my ($r,$shash,$thash,$nhash)=@_;
       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;
    my $n=1;
           while ($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 $url=$token->[2]->{'src'};
                       my $name=$token->[2]->{'title'};
       $name=~s/ \[\((\d+)\,(\w+)\,(\w+)\)\]$//;
       if ($1) {
    $$nhash{$url}='<br />'.&mt('Removed by ').
       &Apache::loncommon::plainname($2,$3).', '.
       &Apache::lonlocal::locallocaltime($1);
       }
       $name=~s/\&colon\;/\:/g;
       $$thash{$url}=$name;
                       $$shash{$url}=$n;
                       $n++;
    }
       }
    }
       }
       return ($shash,$thash);
   }
   
 # ---------------------------------------------------------------- Main Handler  # ---------------------------------------------------------------- Main Handler
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
    
      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
        ['acts','mode','readfile','recover']);
     # color scheme      # color scheme
     my $fileclr = '#ffffe6';      my $fileclr = '#ffffe6';
     my $titleclr = '#ddffff';      my $titleclr = '#ddffff';
   
     $r->content_type('text/html');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
     # output start of web page  # finish_import looks different for graphical or "simple" RAT
     $r->print(<<END);      my $finishimport='';
 <html>      my $begincondition='';
 <head>      my $endcondition='';
 <title>The LearningOnline Network With CAPA Group Sorter</title>      if ($env{'form.readfile'}) {
 <script language='javascript'>          $begincondition='if (eval("document.forms.groupsort.include"+num+".checked")) {';
 function insertRowInLastRow() {   $endcondition='}';
     opener.insertrow(opener.maxrow);  
     opener.addobj(opener.maxrow,'e&2');  
 }  
 function placeResourceInLastRow (title,url,linkflag) {  
     opener.newresource(opener.maxrow,2,opener.escape(title),  
        opener.escape(url),'false','normal');  
     opener.save();  
     opener.mostrecent=opener.obj.length-1;  
     if (linkflag) {  
  opener.joinres(opener.linkmode,opener.mostrecent,0);  
     }      }
     opener.linkmode=opener.mostrecent;      if ($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+='&'+
                 escape(eval("document.forms.groupsort.title"+num+".value"))+'='+
         escape(eval("document.forms.groupsort.filelink"+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++) {
    $begincondition
  insertRowInLastRow();   insertRowInLastRow();
  placeResourceInLastRow(   placeResourceInLastRow(
        eval("document.forms.groupsort.title"+num+".value"),         eval("document.forms.groupsort.title"+num+".value"),
Line 59  function finish_import() { Line 241  function finish_import() {
        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,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) {  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 80  function orderchange(val,newval) { Line 282  function orderchange(val,newval) {
     document.forms.groupsort.submit();      document.forms.groupsort.submit();
 }  }
 </script>  </script>
 </head>  
 <body bgcolor="#FFFFFF">  
 END  END
   
     # read pertinent machine configuration      # 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; # sort order (key is resource location, value is sort order)      my %shash; # sort order (key is resource location, value is sort order)
     my %thash; # title (key is resource location, value is title)      my %thash; # title (key is resource location, value is title)
     map {      my %nhash; # notes (key is resource location);
        my ($name, $value) = split(/=/,$_);  
        $value =~ tr/+/ /;      if ($env{'form.readfile'}) {
        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;   &readfromfile($r,\%shash,\%thash,\%nhash);
        if ($name eq 'acts') {  
            $ENV{'form.'.$name}=$value;  
        }  
     } (split(/&/,$ENV{'QUERY_STRING'}));  
     if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {  
  my $acts = $ENV{'form.acts'};  
  my @Acts = split(/b/,$acts);  
  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') {  
  $hash{'store_'.$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_//;  
  $shash{$key} = $hash{'storectr_'.$key};  
  $thash{$key} = $hash{'store_'.$key};  
     }  
  } keys %hash;  
  if ($ENV{'form.oldval'}) {  
     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 {
  $r->print('Unable to tie hash to db file</body></html>');   &readfromdb($r,\%shash,\%thash);
  return OK;  
     }      }
     untie %hash;  
     my $ctr = 0;      my $ctr = 0;
     my $clen = scalar(keys %shash);      my $clen = scalar(keys %shash);
     $r->print('<h2><font color="#888888">The LearningOnline With CAPA '.      if (($clen > 1) || ($env{'form.readfile'})) {
       'Group Sorter</font></h2>'."\n");   my %lt=&Apache::lonlocal::texthash(
     $r->print('<b><font color="#888888">Finalize order of resources</font>'.   'fin'=> 'Finalize order of resources',
       '</b>'."\n");   'ci' => 'Continue Import',
     $r->print("<form method='post' action='/adm/groupsort' name='groupsort' ".   'cs' => 'Continue Search',
       "enctype='application/x-www-form-urlencoded'>");   'fi' => 'Finish Import',
     $r->print(<<END);   'ca' => 'Cancel',
    'co' => 'Change Order',
    'ti' => 'Title',
    'pa' => 'Path',
                   'in' => 'Include'
    );
    $r->print(&Apache::loncommon::start_page('Sort Imported Resources',
    $js));
    $r->print(<<END);
   <b><font color="#888888">$lt{'fin'}</font></b>
   <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"  <input type="hidden" name="mode" value="$env{'form.mode'}" />
  onClick="window.location='/res/?catalogmode=groupimport'" />&nbsp;  <input type="hidden" name="readfile" value="$env{'form.readfile'}" />
 <input type="button" name="alter" value="FINISH IMPORT"  <input type="hidden" name="recover" value="$env{'form.recover'}" />
   END
   
           # --- Continue Buttons
           my $resurl = &Apache::loncommon::lastresurl();
           $r->print(<<END);
   <input type="button" name="alter" value="$lt{'ci'}"
    onClick="window.location='$resurl'" />&nbsp;
   <input type="button" name="altersearch" value="$lt{'cs'}"
    onClick="window.location='/adm/searchcat'" />&nbsp;
   END
           # ---
   
    $r->print(<<END);
   <input type="button" name="alter" value="$lt{'fi'}"
  onClick="finish_import()" />&nbsp;   onClick="finish_import()" />&nbsp;
 <input type="button" name="alter" value="CANCEL" onClick="self.close()" />  <input type="button" name="alter" value="$lt{'ca'}" onClick="self.close()" />
   END
           $r->print("<table border='0'><tr><td bgcolor='#eeeeee'>");
    $r->print("<table border=0><tr>\n");
    if ($env{'form.readfile'}) { 
       $r->print("<td bgcolor='$titleclr'><b>$lt{'in'}</b></td>\n");
    } else { 
       $r->print("<td colspan='2' bgcolor='$titleclr'><b>$lt{'co'}</b></td>\n"); 
    }
    $r->print("<td colspan='2' bgcolor='$titleclr'><b>$lt{'ti'}</b></td>\n");
    $r->print("<td bgcolor='$titleclr'><b>$lt{'pa'}</b></td></tr>\n");
       } else {
    $r->print(&Apache::loncommon::start_page(undef,$js,
    {'only_body' => 1}));
    $r->print(<<END);
   <form method='post' action='/adm/groupsort' name='groupsort'
         enctype='application/x-www-form-urlencoded'>
   <input type="hidden" name="fnum" value="$clen" />
   <input type="hidden" name="oldval" value="" />
   <input type="hidden" name="newval" value="" />
   <input type="hidden" name="mode" value="$env{'form.mode'}" />
 END  END
     $r->print("<table border='0'><tr><td bgcolor='#eeeeee'>");      }
     $r->print("<table border=0><tr>\n");      foreach (sort {$shash{$a}<=>$shash{$b}} (keys %shash)) {
     $r->print("<td colspan='2' bgcolor='$titleclr'><b>Change order</b></td>".  
       "\n");  
     $r->print("<td colspan='2' bgcolor='$titleclr'><b>Title</b></td>\n");  
     $r->print("<td bgcolor='$titleclr'><b>Path</b></td></tr>\n");  
     map {  
  my $key=$_;   my $key=$_;
  $ctr++;   $ctr++;
  my @file_ext = split(/\./,$key);   my $iconname=&Apache::loncommon::icon($key);
  my $curfext = $file_ext[scalar(@file_ext)-1];   if (($clen > 1) || ($env{'form.readfile'})) {
  $r->print("<tr><td bgcolor='$fileclr'>");      $r->print("<tr><td bgcolor='$fileclr'>");
  $r->print(&movers($clen,$ctr));              if ($env{'form.readfile'}) {
    $r->print(&checkbox($ctr-1));
       } else {
    $r->print(&movers($clen,$ctr));
       }
    }
  $r->print(&hidden($ctr-1,$thash{$key},$key));   $r->print(&hidden($ctr-1,$thash{$key},$key));
  $r->print("</td><td bgcolor='$fileclr'>");   if (($clen > 1)  || ($env{'form.readfile'})) {
  $r->print(&select_box($clen,$ctr));      $r->print("</td>");
  $r->print("</td><td bgcolor='$fileclr'>");              unless ($env{'form.readfile'}) {
  $r->print("<img src='$iconpath$curfext.gif'>");   $r->print("<td bgcolor='$fileclr'>".
  $r->print("</td><td bgcolor='$fileclr'>");    &select_box($clen,$ctr).
  $r->print("$thash{$key}</td><td bgcolor='$fileclr'>\n");    "</td>");
  $r->print("$key</td></tr>\n");      }
     } sort {$shash{$a}<=>$shash{$b}} (keys %shash);      $r->print("<td bgcolor='$fileclr'>");
     $r->print("</table></td></tr></table></form>");      $r->print("<img src='$iconname' />");
     $r->print(<<END);      $r->print("</td><td bgcolor='$fileclr'>");
 </body>      $r->print("$thash{$key}$nhash{$key}</td><td bgcolor='$fileclr'>\n");
 </html>      $r->print("$key</td></tr>\n");
    } 
       }
       if (($clen > 1) || ($env{'form.readfile'})) {
    $r->print("</table></td></tr></table></form>");
       } else {
    $r->print(<<END);
   <script type="text/javascript">
       finish_import();
   </script>
 END  END
       }
   
       $r->print(&Apache::loncommon::end_page());
   
     return OK;      return OK;
 }  }
   
Line 251  sub select_box { Line 438  sub select_box {
     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) {
Line 262  sub select_box { Line 450  sub select_box {
     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__
Removed from v.1.2  
changed lines
  Added in v.1.42

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