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Attempt to work on bug #1205 by changing the timing of events at login for the
remote. Also, trying to isolate remote-related code into lonmenu.pm so that
alternative remotes/navigation become easier to implement later.

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.32 2003/01/31 21:46:36 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: # (TeX Conversion Module
   29: #
   30: # 05/29/00,05/30 Gerd Kortemeyer)
   31: #
   32: # 10/05,05/28,05/30,06/01,06/08,06/09,07/04,08/07 Gerd Kortemeyer
   33: # 02/15/02 Matthew Hall
   34: 
   35: package Apache::lonmenu;
   36: 
   37: use strict;
   38: use Apache::lonnet;
   39: use Apache::File;
   40: use vars qw(@desklines $readdesk);
   41: 
   42: # ============================================================= Start up remote
   43: 
   44: sub startupremote {
   45:     my ($lowerurl)=@_;
   46:     my $configmenu=&rawconfig();
   47:     return(<<ENDREMOTESTARTUP);
   48: <script>
   49: 
   50: // ---------------------------------------------------------- The wait function
   51: var canceltim;
   52: function wait() {
   53:    if ((menuloaded==1) || (tim==1)) {
   54:       if (tim==0) {
   55:          clearTimeout(canceltim);
   56:          $configmenu
   57:          window.location='$lowerurl';  
   58:       } else {
   59:          alert("Remote Control Timed Out.");
   60:       }
   61:    } else {
   62:       setTimeout('wait();',100);
   63:    }
   64: }
   65: 
   66: function main() {
   67:    canceltim=setTimeout('tim=1;',80000);
   68:    wait();
   69: }
   70: 
   71: </script>
   72: ENDREMOTESTARTUP
   73: }
   74: 
   75: sub setflags() {
   76:     return(<<ENDSETFLAGS);
   77: <script>
   78:     menuloaded=0;
   79:     tim=0;
   80: </script>
   81: ENDSETFLAGS
   82: }
   83: 
   84: sub maincall() {
   85:     return(<<ENDMAINCALL);
   86: <script>
   87:     main();
   88: </script>
   89: ENDMAINCALL
   90: }
   91: # ================================================================= Reopen menu
   92: 
   93: sub reopenmenu {
   94:    my $nothing='';
   95:    my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
   96:    if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
   97:    return('window.open("'.$nothing.'","'.$menuname.'","",false);');
   98: } 
   99: 
  100: # =============================================================== Open the menu
  101: 
  102: sub open {
  103:     my $returnval='';
  104:     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
  105:     unless (shift eq 'unix') {
  106: # resizing does not work on linux because of virtual desktop sizes
  107:        $returnval.=(<<ENDRESIZE);
  108: if (window.screen) {
  109:     self.resizeTo(screen.availWidth-215,screen.availHeight-55);
  110:     self.moveTo(190,15);
  111: }
  112: ENDRESIZE
  113:     }
  114:     $returnval.=(<<ENDOPEN);
  115: var menu=window.open("/res/adm/pages/menu.html","$menuname",
  116: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
  117: ENDOPEN
  118:     return '<script>'.$returnval.'</script>';
  119: }
  120: 
  121: # ============================================================ Switch Menu Item
  122: 
  123: sub switchmenu {
  124:     my ($row,$col,$imgsrc,$texttop,$textbot,$action,$description)=@_;
  125:     my $openwin=&openmenu();
  126:     return(<<ENDSMENU);
  127: <script>
  128:    var swmenu=$openwin
  129:    swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action","$description");
  130: </script>
  131: ENDSMENU
  132: }
  133: 
  134: # ================================================================== Raw Config
  135: 
  136: sub clear {
  137:     my ($row,$col)=@_;
  138:     return qq(swmenu.clearbut($row,$col););
  139: }
  140: 
  141: # Switch acts on the javascript that is executed when a button is clicked.  
  142: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
  143: sub switch {
  144:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc)=@_;
  145:     $act=~s/\$uname/$uname/g;
  146:     $act=~s/\$udom/$udom/g;
  147:     return "\n".
  148:  qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
  149: }
  150: 
  151: sub secondlevel {
  152:     my $output='';
  153:     my 
  154:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
  155:     if ($prt eq 'any') {
  156: 	   $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
  157:     } elsif ($prt=~/^r(\w+)/) {
  158:         if ($rol eq $1) {
  159:            $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
  160:         }
  161:     }
  162:     return $output;
  163: }
  164: 
  165: sub openmenu {
  166:     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
  167:     if ($ENV{'browser.type'} eq 'explorer') {
  168:        return "window.open('javascript:void(0);','".$menuname."');";
  169:    } else {
  170:        return "window.open('','".$menuname."');";
  171:    }
  172: }
  173: 
  174: sub rawconfig {
  175:     my $output="var swmenu=".&openmenu();
  176:     my $uname=$ENV{'user.name'};
  177:     my $udom=$ENV{'user.domain'};
  178:     my $adv=$ENV{'user.adv'};
  179:     my $author=$ENV{'user.author'};
  180:     my $crs='';
  181:     if ($ENV{'request.course.id'}) {
  182:        $crs='/'.$ENV{'request.course.id'};
  183:        if ($ENV{'request.course.sec'}) {
  184: 	   $crs.='_'.$ENV{'request.course.sec'};
  185:        }
  186:        $crs=~s/\_/\//g;
  187:     }
  188:     my $pub=($ENV{'request.state'} eq 'published');
  189:     my $con=($ENV{'request.state'} eq 'construct');
  190:     my $rol=$ENV{'request.role'};
  191:     my $requested_domain = $ENV{'request.role.domain'};
  192:     foreach (@desklines) {
  193:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
  194:         $prt=~s/\$uname/$uname/g;
  195:         $prt=~s/\$udom/$udom/g;
  196:         $prt=~s/\$crs/$crs/g; 
  197:         $prt=~s/\$requested_domain/$requested_domain/g;
  198:         if ($pro eq 'clear') {
  199: 	    $output.=&clear($row,$col);
  200:         } elsif ($pro eq 'any') {
  201:                $output.=&secondlevel(
  202: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
  203: 	} elsif ($pro eq 'smp') {
  204:             unless ($adv) {
  205:                $output.=&secondlevel(
  206:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
  207:             }
  208:         } elsif ($pro eq 'adv') {
  209:             if ($adv) {
  210:                $output.=&secondlevel(
  211: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
  212:             }
  213:         } elsif (($pro=~/p(\w+)/) && ($prt)) {
  214: 	    if (&Apache::lonnet::allowed($1,$prt)) {
  215:                $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
  216:             }
  217:         } elsif ($pro eq 'course') {
  218:             if ($ENV{'request.course.fn'}) {
  219:                $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
  220: 	    }
  221:         } elsif ($pro eq 'author') {
  222:             if ($author) {
  223:                 if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
  224:                     (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
  225:                     # Check that we are on the correct machine
  226:                     my $cadom=$requested_domain;
  227:                     my $caname=$ENV{'user.name'};
  228:                     if ($prt eq 'rca') {
  229: 		       ($cadom,$caname)=
  230:                                ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
  231:                     }                       
  232:                     $act =~ s/\$caname/$caname/g;
  233:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
  234:                     if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
  235:                         $output.=switch($caname,$cadom,
  236:                                         $row,$col,$img,$top,$bot,$act,$desc);
  237:                     }
  238:                 }
  239:             }
  240:         }
  241:     }
  242:     $output.="swmenu.syncclock(1000*".time.");";
  243:     return $output;
  244: }
  245: 
  246: # ======================================================================= Close
  247: 
  248: sub close {
  249:     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
  250:     return(<<ENDCLOSE);
  251: <script>
  252: menu=window.open("/adm/rat/empty.html","$menuname",
  253:                  "height=350,width=150,scrollbars=no,menubar=no");
  254: menu.autologout=0;
  255: menu.close();
  256: </script>
  257: ENDCLOSE
  258: }
  259: 
  260: # ====================================================================== Footer
  261: 
  262: sub footer {
  263: 
  264: }
  265: 
  266: # ================================================================ Main Program
  267: 
  268: BEGIN {
  269:   if (! defined($readdesk)) {
  270:    {
  271:     my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
  272: 				  '/mydesk.tab');
  273:     while (my $configline=<$config>) {
  274:        $configline=(split(/\#/,$configline))[0];
  275:        $configline=~s/^\s+//;
  276:        chomp($configline);
  277:        if ($configline) {
  278:           $desklines[$#desklines+1]=$configline;
  279:        }
  280:     }
  281:    }
  282:    $readdesk='done';
  283:   }
  284: }
  285: 
  286: 1;
  287: __END__
  288: 
  289: 
  290: 
  291: 
  292: 
  293: 
  294: