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

Diff for /loncom/interface/lonmainmenu.pm between versions 1.5 and 1.14

version 1.5, 2007/04/11 02:42:00 version 1.14, 2025/03/25 01:02:59
Line 31 Line 31
 # browser.interface - if this is 'textual', it overrides the second parameter  # browser.interface - if this is 'textual', it overrides the second parameter
 # and goes to screen reader PDA mode  # and goes to screen reader PDA mode
 #  #
 # environment.remote - if this is 'on', the routines controll the remote  
 # control, otherwise they render the main window controls; ignored it  
 # browser.interface is 'textual'  
 #  
   
 package Apache::lonmainmenu;  package Apache::lonmainmenu;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common REDIRECT);
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::lonmenu();  use Apache::lonmenu();
   use Apache::lonlocal;
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
   
       # Check for critical messages and redirect if present.
       my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'menu');
       if ($redirect) {
           &Apache::loncommon::content_type($r,'text/html');
           $r->header_out(Location => $url);
           return REDIRECT;
       }
   
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
     my $form;  # ---- Print the screen, pretend to be in text mode to generate text-based menu
     if ($env{'environment.remote'} ne 'off' &&  # temporarily set interface to "faketextual" and remote to "off", which renders
  $env{'browser.interface'} ne 'textual') {  # the main menu
  $form=&Apache::lonmenu::serverform();      $env{'browser.interface'}='faketextual';
     }  
   
     my $script_tag;  #
     if ($env{'environment.remote'} ne 'off') {  # If menu collection is in effect in course context, determine if Main Menu
         my $utility=&Apache::lonmenu::utilityfunctions('/adm/menu');  # will be shown.
         $script_tag=(<<ENDSCRIPT);  #
       my $showmenu = 1;
       my $deeplinkmenu;
       if ($env{'request.course.id'}) {
           (my $menucoll,$deeplinkmenu,my $menuref) =
               &Apache::loncommon::menucoll_in_effect();
           if (($menucoll) && (ref($menuref) eq 'HASH')) {
               if ($menuref->{'main'} eq 'n') {
                   $showmenu = 0;
               }
           }
       }
       my $js;
       my $args = { 'bread_crumbs' => 1 };
       if ($showmenu) {
           $js = <<"END";
 <script type="text/javascript">  <script type="text/javascript">
 $utility  // <![CDATA[
   function formatMenuText() {
       var textArray = document.getElementsByClassName("LC_menu_text");
       if (textArray.length > 0) {
           var singleLineHeight = textArray[0].offsetHeight;
           for (var i=1; i<textArray.length; i++) {
               if (textArray[i].offsetHeight > singleLineHeight) {
                   var el = textArray[i].previousElementSibling;
                   el.style.cssFloat = "left";
                   el.style.marginRight = "5px";
               }
           }
       }
   }
   // ]]>
 </script>  </script>
 ENDSCRIPT  END
           $args->{'add_entries'} = { 'onload' => 'javascript:formatMenuText();' };
     }      }
 # ---- Print the screen, pretend to be in text mode to generate text-based menu  
     unless ($env{'browser.interface'} eq 'textual') {      $r->print(&Apache::loncommon::start_page( 'Main Menu',$js,$args).
  $env{'browser.interface'}='faketextual';                '<div class="LC_landmark" role="main">');
  $env{'environment.remote'}='off';  #
   # If menu collection is in effect in course context, and Main Menu is 
   # not included, display message in place of usual menu items.
   #
       unless ($showmenu) {
           my $nomenumsg;
           my $crstype = &Apache::loncommon::course_type();
           if ($deeplinkmenu) {
               $nomenumsg = &mt('Page unavailable');
           } else {
               $nomenumsg = &mt("Main Menu page is unavailable in this $crstype");
           }
           $r->print('<h1 class="LC_heading_3">'.$nomenumsg.'</h1>'.
                     '</div>'.&Apache::loncommon::end_page());
           return OK;
     }      }
     $r->print(&Apache::loncommon::start_page('Main Menu',$script_tag));  #
     $r->print(&Apache::lonmenu::inlinemenu().$form);  # A span with class of LC_menu_text needs to be first item with that class.
     $r->print(&Apache::loncommon::end_page());  # It will be used by formatMenuText() to determine the offsetHeight for a single line.
   #
       $r->print('<span class="LC_menu_text">&nbsp;</span>'.
                 &Apache::lonmenu::inlinemenu().
                 '</div>'.&Apache::loncommon::end_page());
     return OK;      return OK;
 }  }
   
Removed from v.1.5  
changed lines
  Added in v.1.14

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