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Diff for /loncom/interface/lonnavmaps.pm between versions 1.105 and 1.112

version 1.105, 2002/11/14 16:51:03 version 1.112, 2002/11/16 22:45:22
Line 71  sub handler { Line 71  sub handler {
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
   
     # Create the nav map the nav map      # Create the nav map
     my $navmap = Apache::lonnavmaps::navmap->new(      my $navmap = Apache::lonnavmaps::navmap->new(
                         $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 83  sub handler { Line 83  sub handler {
         return HTTP_NOT_ACCEPTABLE;          return HTTP_NOT_ACCEPTABLE;
     }      }
   
       $r->print("<html><head>\n");
       $r->print("<title>Navigate Course Contents</title>");
   
     # Header      # Header
     $r->print(&Apache::loncommon::bodytag('Navigate Course Map','',      $r->print(&Apache::loncommon::bodytag('Navigate Course Contents','',
                                           ''));                                            ''));
     $r->print('<script>window.focus();</script>');      $r->print('<script>window.focus();</script>');
   
Line 113  sub handler { Line 116  sub handler {
         $condition = 1;          $condition = 1;
     }      }
   
       my $currenturl = $ENV{'form.postdata'};
       $currenturl=~s/^http\:\/\///;
       $currenturl=~s/^[^\/]+//;
   
       # alreadyHere allows us to only open the maps necessary to view
       # the current location once, while at the same time remembering
       # the current location. Without that check, the user would never
       # be able to close those maps; the user would close it, and the
       # currenturl scan would re-open it.
       my $queryAdd = "postdata=" . &Apache::lonnet::escape($currenturl) .
           "&alreadyHere=1";
   
     if ($condition) {      if ($condition) {
         $r->print('<a href="navmaps?condition=0&filter=">Close All Folders</a>');          $r->print("<a href=\"navmaps?condition=0&filter=&$queryAdd\">Close All Folders</a>");
     } else {      } else {
         $r->print('<a href="navmaps?condition=1&filter=">Open All Folders</a>');          $r->print("<a href=\"navmaps?condition=1&filter=&$queryAdd\">Open All Folders</a>");
     }      }
   
     $r->print('<br>&nbsp;');      $r->print('<br>&nbsp;');
Line 143  sub handler { Line 158  sub handler {
     my %colormap =       my %colormap = 
     ( $res->NETWORK_FAILURE        => '',      ( $res->NETWORK_FAILURE        => '',
       $res->CORRECT                => '',        $res->CORRECT                => '',
       $res->EXCUSED                => '#BBBBFF',        $res->EXCUSED                => '#3333FF',
       $res->PAST_DUE_ANSWER_LATER  => '',        $res->PAST_DUE_ANSWER_LATER  => '',
       $res->PAST_DUE_NO_ANSWER     => '',        $res->PAST_DUE_NO_ANSWER     => '',
       $res->ANSWER_OPEN            => '#CCFFCC',        $res->ANSWER_OPEN            => '#006600',
       $res->OPEN_LATER             => '',        $res->OPEN_LATER             => '',
       $res->TRIES_LEFT             => '',        $res->TRIES_LEFT             => '',
       $res->INCORRECT              => '',        $res->INCORRECT              => '',
Line 193  sub handler { Line 208  sub handler {
     my $topResource = $navmap->getById("0.0");      my $topResource = $navmap->getById("0.0");
     my $inlineTopLevelMaps = $topResource->src() =~ m|^/uploaded/.*default\.sequence$|;      my $inlineTopLevelMaps = $topResource->src() =~ m|^/uploaded/.*default\.sequence$|;
   
     my $currenturl = $ENV{'form.postdata'};  
     $currenturl=~s/^http\:\/\///;  
     $currenturl=~s/^[^\/]+//;  
   
     # alreadyHere allows us to only open the maps necessary to view  
     # the current location once, while at the same time remembering  
     # the current location. Without that check, the user would never  
     # be able to close those maps; the user would close it, and the  
     # currenturl scan would re-open it.  
     my $queryAdd = "postdata=" . &Apache::lonnet::escape($currenturl) .  
         "&alreadyHere=1";  
   
     # Begin the HTML table      # Begin the HTML table
     # four cols: resource + indent, chat+feedback, icon, text string      # four cols: resource + indent, chat+feedback, icon, text string
     $r->print('<table cellspacing="0" cellpadding="3" border="0" bgcolor="#FFFFFF">' ."\n");      $r->print('<table cellspacing="0" cellpadding="3" border="0" bgcolor="#FFFFFF">' ."\n");
Line 435  sub handler { Line 438  sub handler {
                     'symb='.&Apache::lonnet::escape($curRes->symb()).                      'symb='.&Apache::lonnet::escape($curRes->symb()).
                     '"';                      '"';
   
                 my $title = $curRes->title();                  my $title = $curRes->compTitle();
                 if (!$title) {  
                     $title = $curRes->src();  
                     $title = substr ($title, rindex($title, "/") + 1);  
                 }  
                 my $partLabel = "";                  my $partLabel = "";
                 my $newBranchText = "";                  my $newBranchText = "";
   
Line 1287  sub min { Line 1286  sub min {
     if ($a < $b) { return $a; } else { return $b; }      if ($a < $b) { return $a; } else { return $b; }
 }  }
   
   # In the CVS repository, documentation of this algorithm is included 
   # in /doc/lonnavdocs, as a PDF and .tex source. Markers like **1**
   # will reference the same location in the text as the part of the
   # algorithm is running through.
   
 sub new {  sub new {
     # magic invocation to create a class instance      # magic invocation to create a class instance
     my $proto = shift;      my $proto = shift;
Line 1329  sub new { Line 1333  sub new {
   
     my $maxDepth = 0; # tracks max depth      my $maxDepth = 0; # tracks max depth
   
       # **1**
   
     foreach my $pass (@iterations) {      foreach my $pass (@iterations) {
         my $direction = $pass->[0];          my $direction = $pass->[0];
         my $valName = $pass->[1];          my $valName = $pass->[1];
Line 1354  sub new { Line 1360  sub new {
                 my $nextResources = $curRes->$nextResourceMethod();                  my $nextResources = $curRes->$nextResourceMethod();
                 my $resourceCount = scalar(@{$nextResources});                  my $resourceCount = scalar(@{$nextResources});
   
                 if ($resourceCount == 1) {                  if ($resourceCount == 1) { # **3**
                     my $current = $nextResources->[0]->{DATA}->{$valName} || 999999999;                      my $current = $nextResources->[0]->{DATA}->{$valName} || 999999999;
                     $nextResources->[0]->{DATA}->{$valName} = min($resultingVal, $current);                      $nextResources->[0]->{DATA}->{$valName} = min($resultingVal, $current);
                 }                  }
                                   
                 if ($resourceCount > 1) {                  if ($resourceCount > 1) { # **4**
                     foreach my $res (@{$nextResources}) {                      foreach my $res (@{$nextResources}) {
                         my $current = $res->{DATA}->{$valName} || 999999999;                          my $current = $res->{DATA}->{$valName} || 999999999;
                         $res->{DATA}->{$valName} = min($current, $resultingVal + 1);                          $res->{DATA}->{$valName} = min($current, $resultingVal + 1);
Line 1367  sub new { Line 1373  sub new {
                 }                  }
             }              }
                           
             # Assign the final val              # Assign the final val (**2**)
             if (ref($curRes) && $direction == BACKWARD()) {              if (ref($curRes) && $direction == BACKWARD()) {
                 my $finalDepth = min($curRes->{DATA}->{TOP_DOWN_VAL},                  my $finalDepth = min($curRes->{DATA}->{TOP_DOWN_VAL},
                                      $curRes->{DATA}->{BOT_UP_VAL});                                       $curRes->{DATA}->{BOT_UP_VAL});
Line 1389  sub new { Line 1395  sub new {
         push @{$self->{STACK}}, [];          push @{$self->{STACK}}, [];
     }      }
   
     # Prime the recursion w/ the first resource      # Prime the recursion w/ the first resource **5**
     push @{$self->{STACK}->[0]}, $self->{FIRST_RESOURCE};      push @{$self->{STACK}->[0]}, $self->{FIRST_RESOURCE};
     $self->{ALREADY_SEEN}->{$self->{FIRST_RESOURCE}->{ID}} = 1;      $self->{ALREADY_SEEN}->{$self->{FIRST_RESOURCE}->{ID}} = 1;
   
Line 1438  sub next { Line 1444  sub next {
     my $newDepth;      my $newDepth;
     my $here;      my $here;
     while ( $i >= 0 && !$found ) {      while ( $i >= 0 && !$found ) {
         if ( scalar(@{$self->{STACK}->[$i]}) > 0 ) {          if ( scalar(@{$self->{STACK}->[$i]}) > 0 ) { # **6**
             $here = pop @{$self->{STACK}->[$i]};              $here = pop @{$self->{STACK}->[$i]}; # **7**
             $found = 1;              $found = 1;
             $newDepth = $i;              $newDepth = $i;
         }          }
Line 1459  sub next { Line 1465  sub next {
   
     # If this is not a resource, it must be an END_BRANCH marker we want      # If this is not a resource, it must be an END_BRANCH marker we want
     # to return directly.      # to return directly.
     if (!ref($here)) {      if (!ref($here)) { # **8**
         if ($here == END_BRANCH()) { # paranoia, in case of later extension          if ($here == END_BRANCH()) { # paranoia, in case of later extension
             $self->{CURRENT_DEPTH}--;              $self->{CURRENT_DEPTH}--;
             return $here;              return $here;
Line 1506  sub next { Line 1512  sub next {
     # BC branch and gets to C, it will see F as the only next resource, but it's      # BC branch and gets to C, it will see F as the only next resource, but it's
     # one level lower. Thus, this is the end of the branch, since there are no      # one level lower. Thus, this is the end of the branch, since there are no
     # more resources added to this level or above.      # more resources added to this level or above.
       # We don't do this if the examined resource is the finish resource,
       # because the condition given above is true, but the "END_MAP" will
       # take care of things and we should already be at depth 0.
     my $isEndOfBranch = $maxDepthAdded < $self->{CURRENT_DEPTH};      my $isEndOfBranch = $maxDepthAdded < $self->{CURRENT_DEPTH};
     if ($isEndOfBranch) {      if ($isEndOfBranch && $here != $self->{FINISH_RESOURCE}) { # **9**
         push @{$self->{STACK}->[$self->{CURRENT_DEPTH}]}, END_BRANCH();          push @{$self->{STACK}->[$self->{CURRENT_DEPTH}]}, END_BRANCH();
     }      }
   
Line 1782  These are methods that help you retrieve Line 1791  These are methods that help you retrieve
   
 =over 4  =over 4
   
   =item * B<compTitle>: Returns a "composite title", that is equal to $res->title() if the resource has a title, and is otherwise the last part of the URL (e.g., "problem.problem").
   
 =item * B<ext>: Returns true if the resource is external.  =item * B<ext>: Returns true if the resource is external.
   
 =item * B<goesto>: Returns the "goesto" value from the compiled nav map. (It is likely you want to use B<getNext> instead.)  =item * B<goesto>: Returns the "goesto" value from the compiled nav map. (It is likely you want to use B<getNext> instead.)
Line 1831  sub symb { Line 1842  sub symb {
 }  }
 sub title { my $self=shift; return $self->navHash("title_", 1); }  sub title { my $self=shift; return $self->navHash("title_", 1); }
 sub to { my $self=shift; return $self->navHash("to_", 1); }  sub to { my $self=shift; return $self->navHash("to_", 1); }
   sub compTitle {
       my $self = shift;
       my $title = $self->title();
       if (!$title) {
           $title = $self->src();
           $title = substr($title, rindex($title, '/') + 1);
       }
       return $title;
   }
 =pod  =pod
   
 B<Predicate Testing the Resource>  B<Predicate Testing the Resource>
Line 1991  sub answerdate { Line 2010  sub answerdate {
     }      }
     return $self->parmval("answerdate", $part);      return $self->parmval("answerdate", $part);
 }  }
   sub awarded { my $self = shift; return $self->queryRestoreHash('awarded', shift); }
 sub duedate {  sub duedate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("duedate", $part);      return $self->parmval("duedate", $part);
Line 2015  sub tol { Line 2035  sub tol {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("tol", $part);      return $self->parmval("tol", $part);
 }  }
 sub tries {  sub tries { 
     my $self = shift;      my $self = shift; 
     my $part = shift;      my $tries = $self->queryRestoreHash('tries', shift);
     $part = '0' if (!defined($part));      if (!defined($tries)) { return '0';}
   
     # Make sure return hash is loaded, should error check  
     $self->getReturnHash();  
       
     my $tries = $self->{RETURN_HASH}->{'resource.'.$part.'.tries'};  
     if (!defined($tries)) {return '0';}  
     return $tries;      return $tries;
 }  }
 sub type {  sub type {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("type", $part);      return $self->parmval("type", $part);
 }  }
 sub weight {  sub weight { 
     (my $self, my $part) = @_;      my $self = shift; my $part = shift;
     return $self->parmval("weight", $part);      return $self->parmval("weight", $part);
 }  }
   
Line 2294  sub ATTEMPTED             { return 16; } Line 2308  sub ATTEMPTED             { return 16; }
   
 sub getCompletionStatus {  sub getCompletionStatus {
     my $self = shift;      my $self = shift;
     my $part = shift;  
     $part = "0" if (!defined($part));  
     return $self->NETWORK_FAILURE if ($self->{NAV_MAP}->{NETWORK_FAILURE});      return $self->NETWORK_FAILURE if ($self->{NAV_MAP}->{NETWORK_FAILURE});
   
     # Make sure return hash exists      my $status = $self->queryRestoreHash('solved', shift);
     $self->getReturnHash();  
       
     my $status = $self->{RETURN_HASH}->{'resource.'.$part.'.solved'};  
   
     # Left as seperate if statements in case we ever do more with this      # Left as seperate if statements in case we ever do more with this
     if ($status eq 'correct_by_student') {return $self->CORRECT;}      if ($status eq 'correct_by_student') {return $self->CORRECT;}
Line 2313  sub getCompletionStatus { Line 2322  sub getCompletionStatus {
     return $self->NOT_ATTEMPTED;      return $self->NOT_ATTEMPTED;
 }  }
   
   sub queryRestoreHash {
       my $self = shift;
       my $hashentry = shift;
       my $part = shift;
       $part = "0" if (!defined($part));
       return $self->NETWORK_FAILURE if ($self->{NAV_MAP}->{NETWORK_FAILURE});
   
       $self->getReturnHash();
   
       return $self->{RETURN_HASH}->{'resource.'.$part.'.'.$hashentry};
   }
   
 =pod  =pod
   
 B<Composite Status>  B<Composite Status>
Removed from v.1.105  
changed lines
  Added in v.1.112

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