--- loncom/interface/lonmenu.pm	2003/02/14 15:14:37	1.37
+++ loncom/interface/lonmenu.pm	2003/02/17 17:34:16	1.40
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.37 2003/02/14 15:14:37 www Exp $
+# $Id: lonmenu.pm,v 1.40 2003/02/17 17:34:16 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -41,6 +41,241 @@ use Apache::loncommon;
 use Apache::File;
 use vars qw(@desklines $readdesk);
 
+# ============================= This gets called at the top of the body section
+
+sub menubuttons {
+    my $forcereg=shift;
+    my $target  =shift;
+    my $registration=shift;
+    unless ($ENV{'browser.interface'} eq 'textual') { return ''; }
+    my $output='<a href="/adm/menu">Main Menu</a><br />';
+    if ($registration) { $output.=&innerregister($forcereg,$target); }
+    return $output."<hr />";
+}
+
+# ====================================== This gets called in the header section
+
+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 ''; }
+    $result.=&innerregister($forcereg,$target);
+    return $result;
+}
+
+# =========== This gets called in order to register a URL, both with the Remote
+# =========== and in the body of the document
+
+sub innerregister {
+    my $forcereg=shift;
+    my $target = shift;
+    my $result = '';
+
+    $Apache::lonxml::registered=1;
+
+    my $textual=($ENV{'browser.interface'} eq 'textual');
+    my $reopen=&Apache::lonmenu::reopenmenu();
+
+    my $newmail='';
+    if (&Apache::lonmsg::newmail()) { 
+       $newmail=($textual?'<b>You have messages</b><br />':
+                          'swmenu.setstatus("you have","messages");');
+    }
+    my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
+# -- This is for URLs that actually can be registered
+    if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
+# -- This applies to homework problems for users with grading privileges
+        my $hwkadd='';
+        if 
+      ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+	    if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
+		$hwkadd.=&switch('','',7,1,'subm.gif','view sub','missions',
+                       "gocmd('/adm/grades','submission')",
+		       'View user submissions for this assessment resource');
+            }
+	    if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
+		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
+                       "gocmd('/adm/grades','gradingmenu')",
+                       'Modify user grades for this assessment resource');
+            }
+	    if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
+		$hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
+                       "gocmd('/adm/parmset','set')",
+                       'Modify deadlines, etc, for this assessment resource');
+            }
+	}
+# -- End Homework
+        ###
+        ### 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'}) {
+                    $editbutton=&switch
+                        ('','',6,1,$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) {
+                $editbutton=&switch
+                    ('','',6,1,'cstr.gif','edit','resource',
+                     "go('".$cfile."');","Edit this resource");
+            } elsif ($editbutton eq '') {
+                $editbutton=&clear(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 {
@@ -156,10 +391,12 @@ sub clear {
    } else { return ''; }
 }
 
+# ============================================ Switch a button or create a link
 # Switch acts on the javascript that is executed when a button is clicked.  
 # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
+
 sub switch {
-    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc)=@_;
+    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
     unless ($ENV{'browser.interface'} eq 'textual') {
@@ -168,7 +405,8 @@ sub switch {
    } else {
        my $text=$top.' '.$bot;
        $text=~s/\- //;
-       return '<br /><a href="javascript:'.$act.';">'.$text.'</a> '.$desc;
+       return ($nobreak?'':'<br />').
+        '<a href="javascript:'.$act.';">'.$text.'</a> '.$desc;
    }
 }