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

Diff for /loncom/interface/lonnavmaps.pm between versions 1.163 and 1.164

version 1.163, 2003/03/20 18:38:01 version 1.164, 2003/03/20 20:40:18
Line 51  use POSIX qw (floor strftime); Line 51  use POSIX qw (floor strftime);
   
 my %navmaphash;  my %navmaphash;
 my %parmhash;  my %parmhash;
   my @refsToUntie;
   
 # symbolic constants  # symbolic constants
 sub SYMB { return 1; }  sub SYMB { return 1; }
Line 98  my %colormap = Line 99  my %colormap =
 # And a special case in the nav map; what to do when the assignment  # And a special case in the nav map; what to do when the assignment
 # is not yet done and due in less then 24 hours  # is not yet done and due in less then 24 hours
 my $hurryUpColor = "#FF0000";  my $hurryUpColor = "#FF0000";
   my $test = 'abc';
 sub cleanup {  sub cleanup {
       &Apache::lonnet::logthis("Cleanup called.");
       &Apache::lonnet::logthis(scalar(@refsToUntie));
       &Apache::lonnet::logthis($test);
       $test = '467';
     if (tied(%navmaphash)){      if (tied(%navmaphash)){
  &Apache::lonnet::logthis('Cleanup navmaps: navmaphash');   &Apache::lonnet::logthis('Cleanup navmaps: navmaphash');
         unless (untie(%navmaphash)) {          unless (untie(%navmaphash)) {
Line 112  sub cleanup { Line 117  sub cleanup {
     &Apache::lonnet::logthis('Failed cleanup navmaps: parmhash');      &Apache::lonnet::logthis('Failed cleanup navmaps: parmhash');
         }          }
     }      }
       # Apparently, if you take a reference to a tied hash, both the 
       # original hash and the tied hash must be untied. Bleh.
       for my $ref (@refsToUntie) {
           &Apache::lonnet::logthis('Cleanup navmaps: reference');
           unless (untie($ref)) {
               &Apache::lonnet::logthis('Failed cleanup navmaps: reference');
           }
       }
 }  }
   
 sub handler {  sub handler {
Line 143  sub real_handler { Line 156  sub real_handler {
     $r->send_http_header;      $r->send_http_header;
   
     # Create the nav map      # Create the nav map
     my $navmap = Apache::lonnavmaps::navmap->new(      my $navmap = Apache::lonnavmaps::navmap->new($r, 
                         $ENV{"request.course.fn"}.".db",                          $ENV{"request.course.fn"}.".db",
                         $ENV{"request.course.fn"}."_parms.db", 1, 1);                          $ENV{"request.course.fn"}."_parms.db", 1, 1);
   
Line 220  sub real_handler { Line 233  sub real_handler {
                           'suppressNavmap' => 1,                            'suppressNavmap' => 1,
                           'r' => $r});                            'r' => $r});
   
     $navmap->untieHashes();      #$navmap->untieHashes();
   
       if (tied(%navmaphash)) { 
           $r->print("Dang it.");
       } else {
           $r->print("It's out.");
       }
   
       if (tied(%parmhash)) { 
           $r->print("Dang it.");
       } else {
           $r->print("It's out.");
       }
   
     $r->print("</body></html>");      $r->print("</body></html>");
     $r->rflush();      $r->rflush();
Line 544  Most of these parameters are only useful Line 569  Most of these parameters are only useful
   
 =item * B<navmap>: A reference to a navmap, used only if an iterator is not passed in. If this is necessary to make an iterator but it is not passed in, a new one will be constructed based on ENV info. This is useful to do basic error checking before passing it off to render.  =item * B<navmap>: A reference to a navmap, used only if an iterator is not passed in. If this is necessary to make an iterator but it is not passed in, a new one will be constructed based on ENV info. This is useful to do basic error checking before passing it off to render.
   
   =item * B<r>: The standard Apache response object. This must be passed to the renderer or the course hash will be locked.
   
 =item * B<cols>: An array reference  =item * B<cols>: An array reference
   
 =item * B<showParts>: A flag. If yes (default), a line for the resource itself, and a line for each part will be displayed. If not, only one line for each resource will be displayed.  =item * B<showParts>: A flag. If yes (default), a line for the resource itself, and a line for each part will be displayed. If not, only one line for each resource will be displayed.
Line 562  Most of these parameters are only useful Line 589  Most of these parameters are only useful
   
 =item * B<currentJumpIndex>: Describes the currently-open row number to cause the browser to jump to, because the user just opened that folder. By default, pulled from the Jump information in the ENV{'form.*'}.  =item * B<currentJumpIndex>: Describes the currently-open row number to cause the browser to jump to, because the user just opened that folder. By default, pulled from the Jump information in the ENV{'form.*'}.
   
 =item * B<r>: The standard Apache response object. If you pass this to the render, it will use it to flush the table every 20 rows and handle the rendering itself.  
   
 =item * B<printKey>: If true, print the key that appears on the top of the standard navmaps. Default is false.  =item * B<printKey>: If true, print the key that appears on the top of the standard navmaps. Default is false.
   
 =item * B<printCloseAll>: If true, print the "Close all folders" or "open all folders" links. Default is true.  =item * B<printCloseAll>: If true, print the "Close all folders" or "open all folders" links. Default is true.
Line 865  sub render { Line 890  sub render {
     if (!$ENV{'form.folderManip'} && !defined($args->{'iterator'})) {      if (!$ENV{'form.folderManip'} && !defined($args->{'iterator'})) {
         # Step 1: Check to see if we have a navmap          # Step 1: Check to see if we have a navmap
         if (!defined($navmap)) {          if (!defined($navmap)) {
             $navmap = Apache::lonnavmaps::navmap->new(              $navmap = Apache::lonnavmaps::navmap->new($r, 
                         $ENV{"request.course.fn"}.".db",                          $ENV{"request.course.fn"}.".db",
                         $ENV{"request.course.fn"}."_parms.db", 1, 1);                          $ENV{"request.course.fn"}."_parms.db", 1, 1);
             $mustCloseNavMap = 1;              $mustCloseNavMap = 1;
Line 931  sub render { Line 956  sub render {
                   
         # Step 1: Check to see if we have a navmap          # Step 1: Check to see if we have a navmap
         if (!defined($navmap)) {          if (!defined($navmap)) {
             $navmap = Apache::lonnavmaps::navmap->new(              $navmap = Apache::lonnavmaps::navmap->new($r, 
                         $ENV{"request.course.fn"}.".db",                          $ENV{"request.course.fn"}.".db",
                         $ENV{"request.course.fn"}."_parms.db", 1, 1);                          $ENV{"request.course.fn"}."_parms.db", 1, 1);
             $mustCloseNavMap = 1;              $mustCloseNavMap = 1;
Line 1226  sub render { Line 1251  sub render {
         $r->rflush();          $r->rflush();
     }      }
                   
     if ($mustCloseNavMap) { $navmap->untieHashes(); }       #if ($mustCloseNavMap) { $navmap->untieHashes(); } 
   
     return $result;      return $result;
 }  }
Line 1251  You must obtain resource objects through Line 1276  You must obtain resource objects through
   
 =over 4  =over 4
   
 =item * B<new>(navHashFile, parmHashFile, genCourseAndUserOptions, genMailDiscussStatus): Binds a new navmap object to the compiled nav map hash and parm hash given as filenames. genCourseAndUserOptions is a flag saying whether the course options and user options hash should be generated. This is for when you are using the parameters of the resources that require them; see documentation in resource object documentation. genMailDiscussStatus causes the nav map to retreive information about the email and discussion status of resources. Returns the navmap object if this is successful, or B<undef> if not. You must check for undef; errors will occur when you try to use the other methods otherwise.  =item * B<new>(responseObject, navHashFile, parmHashFile, genCourseAndUserOptions, genMailDiscussStatus): Binds a new navmap object to the compiled nav map hash and parm hash given as filenames. responseObject is the Apache response object (typically $r). genCourseAndUserOptions is a flag saying whether the course options and user options hash should be generated. This is for when you are using the parameters of the resources that require them; see documentation in resource object documentation. genMailDiscussStatus causes the nav map to retreive information about the email and discussion status of resources. Returns the navmap object if this is successful, or B<undef> if not. You must check for undef; errors will occur when you try to use the other methods otherwise.
   
 =item * B<getIterator>(first, finish, filter, condition): See iterator documentation below.  =item * B<getIterator>(first, finish, filter, condition): See iterator documentation below.
   
Line 1266  sub new { Line 1291  sub new {
     my $class = ref($proto) || $proto;      my $class = ref($proto) || $proto;
     my $self = {};      my $self = {};
   
       $self->{RESPONSE} = shift;
     $self->{NAV_HASH_FILE} = shift;      $self->{NAV_HASH_FILE} = shift;
     $self->{PARM_HASH_FILE} = shift;      $self->{PARM_HASH_FILE} = shift;
     $self->{GENERATE_COURSE_USER_OPT} = shift;      $self->{GENERATE_COURSE_USER_OPT} = shift;
Line 1281  sub new { Line 1307  sub new {
   
     # tie the nav hash      # tie the nav hash
   
     if (!(tie(%navmaphash, 'GDBM_File', $self->{NAV_HASH_FILE},      if (!(tie(%Apache::lonnavmaps::navmaphash, 'GDBM_File', $self->{NAV_HASH_FILE},
               &GDBM_READER(), 0640))) {                &GDBM_READER(), 0640))) {
         return undef;          return undef;
     }      }
           
     if (!(tie(%parmhash, 'GDBM_File', $self->{PARM_HASH_FILE},      if (!(tie(%Apache::lonnavmaps::parmhash, 'GDBM_File', $self->{PARM_HASH_FILE},
               &GDBM_READER(), 0640)))                &GDBM_READER(), 0640)))
     {      {
         untie $self->{PARM_HASH};          untie $self->{PARM_HASH};
         return undef;          return undef;
     }      }
   
     $self->{HASH_TIED} = 1;      $self->{NAV_HASH} = \%Apache::lonnavmaps::navmaphash;
     $self->{NAV_HASH} = \%navmaphash;      $self->{PARM_HASH} = \%Apache::lonnavmaps::parmhash;
     $self->{PARM_HASH} = \%parmhash;      push @Apache::lonnavmaps::refsToCleanup, $self->{NAV_HASH};
       push @Apache::lonnavmaps::refsToCleanup, $self->{PARM_HASH};
       Apache::lonnet::logthis(scalar(@Apache::lonnavmaps::refsToCleanup));
       $Apache::lonnavmaps::test = '123';
       Apache::lonnet::logthis($Apache::lonnavmaps::test);
     $self->{INITED} = 0;      $self->{INITED} = 0;
   
       $self->{RESPONSE}->register_cleanup(\&Apache::lonnavmaps::cleanup);
       Apache::lonnet::logthis("Pushed cleanup.");
   
     bless($self);      bless($self);
                   
     return $self;      return $self;
Line 1440  sub getIterator { Line 1473  sub getIterator {
   
 # unties the hash when done  # unties the hash when done
 sub untieHashes {  sub untieHashes {
     my $self = shift;  #    my $self = shift;
     untie %{$self->{NAV_HASH}} if ($self->{HASH_TIED});  #    untie $self->{NAV_HASH};
     untie %{$self->{PARM_HASH}} if ($self->{HASH_TIED});  #    untie $self->{PARM_HASH};
     $self->{HASH_TIED} = 0;  #    &Apache::lonnavmaps::cleanup();
 }  }
   
 # when the object is destroyed, be sure to untie all the hashes we tied.  # when the object is destroyed, be sure to untie all the hashes we tied.
 sub DESTROY {  #sub DESTROY {
     my $self = shift;  #    my $self = shift;
     $self->untieHashes();  #    $self->untieHashes();
 }  #}
   
 # Private method: Does the given resource (as a symb string) have  # Private method: Does the given resource (as a symb string) have
 # current discussion? Returns 0 if chat/mail data not extracted.  # current discussion? Returns 0 if chat/mail data not extracted.
Removed from v.1.163  
changed lines
  Added in v.1.164

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>