--- loncom/interface/lonmenu.pm	2003/01/31 21:46:36	1.32
+++ loncom/interface/lonmenu.pm	2003/02/14 21:22:04	1.39
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.32 2003/01/31 21:46:36 www Exp $
+# $Id: lonmenu.pm,v 1.39 2003/02/14 21:22:04 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,35 +36,276 @@ package Apache::lonmenu;
 
 use strict;
 use Apache::lonnet;
+use Apache::Constants qw(:common);
+use Apache::loncommon;
 use Apache::File;
 use vars qw(@desklines $readdesk);
 
+# ======================================================= Make the menu buttons
+
+sub menubuttons {
+    my $forcereg=shift;
+    my $target  =shift;
+    unless ($ENV{'browser.interface'} eq 'textual') { return ''; }
+    my $output='<a href="/adm/menu">Main Menu</a><br />';
+    return $output."<hr />";
+}
+
+# ============================================== Register a URL with the remote
+
+
+sub registerurl {
+    my $forcereg=shift;
+    my $target = shift;
+    my $result = '';
+    
+    if ($target eq 'edit') {
+        $result .="<script type=\"text/javascrtipt\">\n".
+            "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
+            &Apache::loncommon::browser_and_searcher_javascript().
+                "\n</script>\n";
+    }
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ((($ENV{'request.publicaccess'}) || 
+         (!&Apache::lonnet::is_on_map($ENV{'REQUEST_URI'}))) &&
+        (!$forcereg))) {
+	return $result.
+         '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>';
+    }
+    if ($Apache::lonxml::registered && !$forcereg) { return ''; }
+    $Apache::lonxml::registered=1;
+    my $reopen=&Apache::lonmenu::reopenmenu();
+    my $newmail='';
+    if (&Apache::lonmsg::newmail()) { 
+       $newmail='swmenu.setstatus("you have","messages");';
+    }
+    my $timesync='swmenu.syncclock(1000*'.time.');';
+    if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
+        my $hwkadd='';
+        if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+	    if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
+		$hwkadd.=(<<ENDSUBM);
+                     swmenu.switchbutton(7,1,'subm.gif','view sub','missions','gocmd("/adm/grades","submission")',
+                     'View user submissions for this assessment resource');
+ENDSUBM
+            }
+	    if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
+		$hwkadd.=(<<ENDGRDS);
+                     swmenu.switchbutton(7,2,'pgrd.gif','problem','grades','gocmd("/adm/grades","gradingmenu")',
+                     'Modify user grades for this assessment resource');
+ENDGRDS
+            }
+	    if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
+		$hwkadd.=(<<ENDPARM);
+                     swmenu.switchbutton(7,3,'pparm.gif','problem','parms','gocmd("/adm/parmset","set")',
+                     'Modify deadlines, etc, for this assessment resource');
+ENDPARM
+            }
+	}
+        ###
+        ### Determine whether or not to display the 'cstr' button for this
+        ### resource
+        ###
+        my $editbutton = '';
+        if ($ENV{'user.author'}) {
+            if ($ENV{'request.role'}=~/^(ca|au)/) {
+                # Set defaults for authors
+                my ($top,$bottom) = ('con-','struct');
+                my $action = "go('/priv/".$ENV{'user.name'}."');";
+                my $cadom  = $ENV{'request.role.domain'};
+                my $caname = $ENV{'user.name'};
+                my $desc = "Enter my resource construction space";
+                # Set defaults for co-authors
+                if ($ENV{'request.role'} =~ /^ca/) { 
+                    ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
+                    ($top,$bottom) = ('co con-','struct');
+                    $action = "go('/priv/".$caname."');";
+                    $desc = "Enter construction space as co-author";
+                }
+                # Check that we are on the correct machine
+                my $home = &Apache::lonnet::homeserver($caname,$cadom);
+                if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
+                    $editbutton=&Apache::lonmenu::switch
+                        ('','',6,1,$top,,$bottom,$action,$desc);
+                }
+            }
+            ##
+            ## Determine if user can edit url.
+            ##
+            my $cfile='';
+            my $cfuname='';
+            my $cfudom='';
+            if ($ENV{'request.filename'}) {
+                my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
+                $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
+                # Chech that the user has permission to edit this resource
+                ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
+                if (defined($cfudom)) {
+                    if (&Apache::lonnet::homeserver($cfuname,$cfudom) 
+                        eq $Apache::lonnet::perlvar{'lonHostID'}) {
+                        $cfile=$file;
+                    }
+                }
+            }        
+            # Finally, turn the button on or off
+            if ($cfile) {
+                $editbutton=&Apache::lonmenu::switch
+                    ('','',6,1,'cstr.gif','edit','resource',
+                     "go('".$cfile."');","Edit this resource");
+            } elsif ($editbutton eq '') {
+                $editbutton = '    swmenu.clearbut(6,1);';
+            }
+        }
+        ###
+        ###
+	$result = (<<ENDREGTHIS);
+     
+<script language="JavaScript">
+// BEGIN LON-CAPA Internal
+
+    function LONCAPAreg() {
+	  swmenu=$reopen;
+          swmenu.clearTimeout(swmenu.menucltim);
+          $timesync
+          $newmail
+	  swmenu.currentURL=window.location.pathname;
+          swmenu.reloadURL=window.location.pathname;
+          swmenu.currentSymb="$ENV{'request.symb'}";
+          swmenu.reloadSymb="$ENV{'request.symb'}";
+          swmenu.currentStale=0;
+          swmenu.clearbut(3,1);
+          swmenu.switchbutton
+       (6,3,'catalog.gif','catalog','info','catalog_info()','Show catalog information');
+          swmenu.switchbutton
+       (8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)','Provide my evaluation of this resource');
+          swmenu.switchbutton
+    (8,2,'fdbk.gif','feedback','discuss','gopost("/adm/feedback",currentURL)','Provide feedback messages or contribute to the course discussion about this resource');
+          swmenu.switchbutton
+     (8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)','Prepare a printable document');
+          swmenu.switchbutton
+       (2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)','Go to the previous resource in the course sequence');
+          swmenu.switchbutton
+     (2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)','Go to the next resource in the course sequence');
+          swmenu.switchbutton
+                            (9,1,'sbkm.gif','set','bookmark','set_bookmark()','Set a bookmark for this resource');
+          swmenu.switchbutton
+                         (9,2,'vbkm.gif','view','bookmark','edit_bookmarks()','Use or edit my bookmark collection');
+          swmenu.switchbutton
+                               (9,3,'anot.gif','anno-','tations','annotate()','Make notes and annotations about this resource');
+          $hwkadd
+          $editbutton
+    }
+
+    function LONCAPAstale() {
+	  swmenu=$reopen
+          swmenu.currentStale=1;
+          if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 
+             swmenu.switchbutton
+             (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
+	  }
+          swmenu.clearbut(7,1);
+          swmenu.clearbut(7,2);
+          swmenu.clearbut(7,3);
+          swmenu.menucltim=swmenu.setTimeout(
+ 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
+ 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
+			  2000);
+
+      }
+
+// END LON-CAPA Internal
+</script>
+ENDREGTHIS
+
+    } else {
+        $result = (<<ENDDONOTREGTHIS);
+
+<script language="JavaScript">
+// BEGIN LON-CAPA Internal
+
+    function LONCAPAreg() {
+	  swmenu=$reopen
+          $timesync
+          swmenu.currentStale=1;
+          swmenu.clearbut(2,1);
+          swmenu.clearbut(2,3);
+          swmenu.clearbut(8,1);
+          swmenu.clearbut(8,2);
+          swmenu.clearbut(8,3);
+          if (swmenu.currentURL) {
+             swmenu.switchbutton
+              (3,1,'reload.gif','return','location','go(currentURL)');
+ 	  } else {
+	      swmenu.clearbut(3,1);
+          }
+    }
+
+    function LONCAPAstale() {
+    }
+
+// END LON-CAPA Internal
+</script>
+ENDDONOTREGTHIS
+    }
+    return $result;
+}
+
+sub loadevents() {
+    return 'LONCAPAreg();';
+}
+
+sub unloadevents() {
+    return 'LONCAPAstale();';
+}
+
 # ============================================================= Start up remote
 
 sub startupremote {
     my ($lowerurl)=@_;
+    if ($ENV{'browser.interface'} eq 'textual') {
+     return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
+    }
     my $configmenu=&rawconfig();
     return(<<ENDREMOTESTARTUP);
 <script>
 
+function wheelswitch() {
+   if (window.status=='|') { 
+      window.status='/'; 
+   } else {
+      if (window.status=='/') {
+         window.status='-';
+      } else {
+         if (window.status=='-') { 
+            window.status='\\\\'; 
+         } else {
+            if (window.status=='\\\\') { window.status='|'; }
+         }
+      }
+   } 
+}
+
 // ---------------------------------------------------------- The wait function
 var canceltim;
 function wait() {
    if ((menuloaded==1) || (tim==1)) {
+      window.status='Done.';
       if (tim==0) {
          clearTimeout(canceltim);
          $configmenu
          window.location='$lowerurl';  
       } else {
-         alert("Remote Control Timed Out.");
+         alert("Remote Control timed out. It is possible that it was blocked by pop-up window filters.");
       }
    } else {
-      setTimeout('wait();',100);
+      wheelswitch();
+      setTimeout('wait();',200);
    }
 }
 
 function main() {
-   canceltim=setTimeout('tim=1;',80000);
+   canceltim=setTimeout('tim=1;',60000);
+   window.status='-';
    wait();
 }
 
@@ -82,6 +323,7 @@ ENDSETFLAGS
 }
 
 sub maincall() {
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
     return(<<ENDMAINCALL);
 <script>
     main();
@@ -92,6 +334,7 @@ ENDMAINCALL
 
 sub reopenmenu {
    my $nothing='';
+   if ($ENV{'browser.interface'} eq 'textual') { return ''; }
    my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
    if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
    return('window.open("'.$nothing.'","'.$menuname.'","",false);');
@@ -101,6 +344,7 @@ sub reopenmenu {
 
 sub open {
     my $returnval='';
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
     unless (shift eq 'unix') {
 # resizing does not work on linux because of virtual desktop sizes
@@ -112,30 +356,21 @@ if (window.screen) {
 ENDRESIZE
     }
     $returnval.=(<<ENDOPEN);
+window.status='Opening LON-CAPA Remote Control';
 var menu=window.open("/res/adm/pages/menu.html","$menuname",
 "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
 ENDOPEN
     return '<script>'.$returnval.'</script>';
 }
 
-# ============================================================ Switch Menu Item
-
-sub switchmenu {
-    my ($row,$col,$imgsrc,$texttop,$textbot,$action,$description)=@_;
-    my $openwin=&openmenu();
-    return(<<ENDSMENU);
-<script>
-   var swmenu=$openwin
-   swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action","$description");
-</script>
-ENDSMENU
-}
 
 # ================================================================== Raw Config
 
 sub clear {
     my ($row,$col)=@_;
-    return qq(swmenu.clearbut($row,$col););
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
+   } else { return ''; }
 }
 
 # Switch acts on the javascript that is executed when a button is clicked.  
@@ -144,8 +379,14 @@ sub switch {
     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
-    return "\n".
- qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       return "\n".
+ qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
+   } else {
+       my $text=$top.' '.$bot;
+       $text=~s/\- //;
+       return '<br /><a href="javascript:'.$act.';">'.$text.'</a> '.$desc;
+   }
 }
 
 sub secondlevel {
@@ -164,6 +405,7 @@ sub secondlevel {
 
 sub openmenu {
     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
     if ($ENV{'browser.type'} eq 'explorer') {
        return "window.open('javascript:void(0);','".$menuname."');";
    } else {
@@ -172,7 +414,15 @@ sub openmenu {
 }
 
 sub rawconfig {
-    my $output="var swmenu=".&openmenu();
+    my $textualoverride=shift;
+    my $output='';
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       $output.=
+ "window.status='Opening Remote Control';var swmenu=".&openmenu().
+"\nwindow.status='Configuring Remote Control ';";
+    } else {
+       unless ($textualoverride) { return ''; }
+    }
     my $uname=$ENV{'user.name'};
     my $udom=$ENV{'user.domain'};
     my $adv=$ENV{'user.adv'};
@@ -239,20 +489,28 @@ sub rawconfig {
             }
         }
     }
-    $output.="swmenu.syncclock(1000*".time.");";
+    unless ($ENV{'browser.interface'} eq 'textual') {
+       $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
+    }
     return $output;
 }
 
 # ======================================================================= Close
 
 sub close {
+    if ($ENV{'browser.interface'} eq 'textual') { return ''; }
     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
     return(<<ENDCLOSE);
 <script>
+window.status='Accessing Remote Control';
 menu=window.open("/adm/rat/empty.html","$menuname",
                  "height=350,width=150,scrollbars=no,menubar=no");
+window.status='Disabling Remote Control';
+menu.active=0;
 menu.autologout=0;
+window.status='Closing Remote Control';
 menu.close();
+window.status='Done.';
 </script>
 ENDCLOSE
 }
@@ -263,6 +521,36 @@ sub footer {
 
 }
 
+# ================================================ Handler when called directly
+
+
+sub handler {
+    my $r = shift;
+    $r->content_type('text/html');
+    $r->send_http_header;
+    return OK if $r->header_only;
+
+    my $bodytag=&Apache::loncommon::bodytag('Main Menu');
+# ------------------------------------------------------------ Print the screen
+    $r->print(<<ENDHEADER);
+<html><head>
+<title>LON-CAPA Main Menu</title>
+<script>
+function go(url) {
+    window.location=url;
+}
+function gopost(url) {
+    window.location=url;
+}
+</script>
+</head>
+$bodytag
+ENDHEADER
+    $r->print(&rawconfig(1));
+    $r->print('</body></html>');
+    return OK;
+}
+
 # ================================================================ Main Program
 
 BEGIN {