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Diff for /rat/lonpageflip.pm between versions 1.75 and 1.83

version 1.75, 2008/03/12 02:45:50 version 1.83, 2013/11/28 02:23:25
Line 27 Line 27
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
   
   
 package Apache::lonpageflip;  package Apache::lonpageflip;
   
 use strict;  use strict;
Line 215  sub get_next_possible_move { Line 217  sub get_next_possible_move {
               return ($next,$mapurl);                return ($next,$mapurl);
 }  }
   
 sub navlaunch {  
     my ($r)=@_;  
     &Apache::loncommon::content_type($r,'text/html');  
     &Apache::loncommon::no_cache($r);  
     $r->send_http_header;  
     $r->print(&Apache::loncommon::start_page('Launched'));     
     $r->print(<<ENDNAV);  
     <p><a href="/adm/flip?postdata=firstres%3a">Goto first resource</a></p>  
     <script type="text/javascript">  
  function collapse() {  
     menu=window.open("/adm/navmaps?collapseExternal","loncapanav",  
      "height=600,width=400,scrollbars=1");  
     this.document.location='/adm/navmaps?turningOffExternal';  
  }  
     </script>  
     <p><a href="javascript:collapse();">Collapse external navigation window</a></p>  
 ENDNAV  
     $r->print(&Apache::loncommon::end_page());  
 }  
   
 sub first_accessible_resource {  sub first_accessible_resource {
     my $furl;      my $furl;
     if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db',      if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db',
Line 300  sub handler { Line 282  sub handler {
             
   return REDIRECT;    return REDIRECT;
       }        }
       if ($direction eq 'return' || $direction eq 'navlaunch') {        if ($direction eq 'return') {
 # -------------------------------------------------------- Return to last known  # -------------------------------------------------------- Return to last known
          my $last;           my $last;
          if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',           if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
Line 324  sub handler { Line 306  sub handler {
          } else {           } else {
     $newloc='/adm/navmaps';      $newloc='/adm/navmaps';
          }             }  
  if ($newloc eq '/adm/navmaps' && $direction eq 'navlaunch') {  
      &navlaunch($r);  
      return OK;  
  } else {  
      &Apache::loncommon::content_type($r,'text/html');       &Apache::loncommon::content_type($r,'text/html');
      $r->header_out(Location =>        $r->header_out(Location => 
     &Apache::lonnet::absolute_url().$newloc);      &Apache::lonnet::absolute_url().$newloc);
             
      return REDIRECT;       return REDIRECT;
  }  
       }        }
       $currenturl=~s/^http\:\/\///;        $currenturl=~s/^https?\:\/\///;
       $currenturl=~s/^[^\/]+//;        $currenturl=~s/^[^\/]+//;
 #  #
 # Is the current URL on the map? If not, start with last known URL  # Is the current URL on the map? If not, start with last known URL
Line 350  sub handler { Line 327  sub handler {
          if ($last) {           if ($last) {
      $currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]);       $currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]);
  } else {   } else {
      if ($direction eq 'return') {  
  &Apache::loncommon::content_type($r,'text/html');   &Apache::loncommon::content_type($r,'text/html');
  $r->header_out(Location =>    $r->header_out(Location => 
  &Apache::lonnet::absolute_url().   &Apache::lonnet::absolute_url().
  '/adm/noidea.html');   '/adm/noidea.html');
  return REDIRECT;   return REDIRECT;
      } else {  
  &navlaunch($r);  
  return OK;  
      }  
          }           }
       }        }
 # ------------------------------------------- Do we have any idea where we are?  # ------------------------------------------- Do we have any idea where we are?
Line 460  sub handler { Line 432  sub handler {
      'explain' =>       'explain' =>
      'You have reached the end of the sequence of materials.',       'You have reached the end of the sequence of materials.',
      'back' => 'Go Back',       'back' => 'Go Back',
      'nav' => 'Navigate Course Content',       'nav' => 'Course Contents',
      'wherenext' =>       'wherenext' =>
      'There are several possibilities of where to go next',       'There are several possibilities of where to go next',
      'pick' =>       'pick' =>
      'Please click on the the resource you intend to access',       'Please click on the the resource you intend to access',
      'titleheader' => 'Title',       'titleheader' => 'Title',
      'type' => 'Type');       'type' => 'Type');
                     if (&Apache::loncommon::course_type() eq 'Community') {
                         $lt{'nav'} = &mt('Community Contents');
                     }
                   if ($#possibilities>0) {                    if ($#possibilities>0) {
       my $start_page=        my $start_page=
   &Apache::loncommon::start_page('Multiple Resources');    &Apache::loncommon::start_page('Multiple Resources');
Line 476  $start_page Line 451  $start_page
 <p>  <p>
 $lt{'pick'}:  $lt{'pick'}:
 <p>  <p>
 <table border=2>  <table border="2">
 <tr><th>$lt{'titleheader'}</th><th>$lt{'type'}</th></tr>  <tr><th>$lt{'titleheader'}</th><th>$lt{'type'}</th></tr>
 ENDSTART  ENDSTART
                      foreach my $id (@possibilities) {                       foreach my $id (@possibilities) {
Line 492  ENDSTART Line 467  ENDSTART
                      }                       }
                      $r->print('</table>');                       $r->print('</table>');
                   } else {                    } else {
       my $start_page=                        $r->print(
   &Apache::loncommon::start_page('No Resource');                            &Apache::loncommon::start_page('No Resource')
       $r->print(<<ENDNONE);                           .'<h2>'.$lt{'title'}.'</h2>'
 $start_page                           .'<p>'.$lt{'explain'}.'</p>');
 <h3>$lt{'title'}</h3>                    }
 <p>$lt{'explain'}</p>                    $r->print(
 ENDNONE                        &Apache::lonhtmlcommon::actionbox(
   }                            ['<a href="/adm/flip?postdata=return:">'.$lt{'back'}.'</a></li>',
   $r->print(<<ENDMENU);                             '<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>'
 <ul>                            ])
 <li><a href="/adm/flip?postdata=return:">$lt{'back'}</a></li>                       .&Apache::loncommon::end_page());
 <li><a href="/adm/navmaps">$lt{'nav'}</a></li>  
 </ul>  
 ENDMENU  
                   $r->print(&Apache::loncommon::end_page());  
                   return OK;                    return OK;
       }        }
   } else {    } else {
Line 517  ENDMENU Line 488  ENDMENU
       } else {        } else {
 # ---------------------------------------- No, could not determine where we are  # ---------------------------------------- No, could not determine where we are
   $r->internal_redirect('/adm/ambiguous');    $r->internal_redirect('/adm/ambiguous');
             return OK;
       }        }
   } else {    } else {
 # -------------------------- Class was not initialized or page fliped strangely  # -------------------------- Class was not initialized or page fliped strangely
Line 528  ENDMENU Line 500  ENDMENU
 1;  1;
 __END__  __END__
   
   =pod
   
   =head1 NAME
   
   Apache::lonpageflip
   
   =head1 SYNOPSIS
   
   Deals with forward, backward, and other page flips.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 OVERVIEW
   
   (empty)
   
   =head1 SUBROUTINES
   
   =over cleanup()
   
   =item addrid()
   
   =item fullmove()
   
   =item hash_src()
   
   =item move()
   
   =item get_next_possible_move()
   
   =item first_accessible_resource()
   
   =item handler()
   
   =back
   
   =cut
   
   
   
Removed from v.1.75  
changed lines
  Added in v.1.83

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