--- loncom/interface/lonpreferences.pm	2005/06/06 16:23:55	1.62
+++ loncom/interface/lonpreferences.pm	2005/11/17 16:57:54	1.68
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Preferences
 #
-# $Id: lonpreferences.pm,v 1.62 2005/06/06 16:23:55 raeburn Exp $
+# $Id: lonpreferences.pm,v 1.68 2005/11/17 16:57:54 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -110,8 +110,8 @@ sub wysiwygchanger {
 <form name="server" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="set_wysiwyg" />
 <br />
-<input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff<br />
-<input type="radio" name="wysiwyg" value="on" $offselect /> $switchon
+<label><input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff</label><br />
+<label><input type="radio" name="wysiwyg" value="on" $offselect /> $switchon</label>
 ENDLSCREEN
     $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
 }
@@ -190,31 +190,28 @@ sub texenginechanger {
     my $pref=&mt('Preferred method to display Math');
     my %mathchoices=('' => 'No Preference',
 		     'tth' => 'TeX to HTML',
-		     'ttm' => 'TeX to MathML',
+		     #'ttm' => 'TeX to MathML',
 		     'jsMath' => 'jsMath',
 		     'mimetex' => 'Convert to Images'
                      );
     my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',
 						     %mathchoices);
-    my $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
-    my $jsMath_example=&Apache::lontexconvert::jsMath_converted(\$mathexample);
-    $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
-    my $tth_example=&Apache::lontexconvert::tth_converted(\$mathexample);
-    $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
-    my $mimetex_example=&Apache::lontexconvert::mimetex_converted(\$mathexample);
+    my $jsMath_start=&Apache::lontexconvert::jsMath_header();
     my $change=&mt('Change');
     $r->print(<<ENDLSCREEN);
+<br />
+
 <form name="server" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_texengine" />
 <p>$pref: $selectionbox</p>
 <p><input type="submit" value="$change" /></p>
 </form>
 Examples:
-<p> TeX to HTML <br /> $tth_example</p>
-<script type="text/javascript">function NoFontMessage () { }</script>
-<script src="/adm/jsMath/jsMath.js"></script>
+<p> TeX to HTML <br /> 
+<iframe src="/res/adm/pages/math_example.tex?buttons=no&mode=tth" width="400" hieght="200"></iframe>
+</p>
 <p>jsMath <br /> 
-
+$jsMath_start
 <script type="text/javascript">
 if (jsMath.nofonts == 1) {
     document.writeln
@@ -231,9 +228,13 @@ if (jsMath.nofonts == 1) {
 	 +'</font></small></div></center>');
 }
 </script>
+<iframe src="/res/adm/pages/math_example.tex?buttons=no&mode=jsMath" width="400" hieght="200"></iframe>
 
-$jsMath_example</p>
-<p> Convert to Images <br /> $mimetex_example</p>
+</p>
+<p> Convert to Images <br />
+<br />
+<iframe src="/res/adm/pages/math_example.tex?buttons=no&mode=mimetex" width="400" hieght="200"></iframe>
+</p>
 ENDLSCREEN
     if ($env{'environment.texengine'} ne 'jsMath') {
 	$r->print('<script type="text/javascript">jsMath.Process()</script>');
@@ -402,7 +403,7 @@ sub verify_and_change_screenname {
         &Apache::lonnet::delenv('environment\.nickname');
         $message.='Reset nickname';
     }
-
+    &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain);
     $r->print(<<ENDVCSCREEN);
 $message
 ENDVCSCREEN
@@ -973,6 +974,73 @@ $message
 ENDVCSCREEN
 }
 
+################################################################
+# Subroutines for page display on course access (Course Coordinators)
+################################################################
+sub coursedisplaychanger {
+    my $r = shift;
+    my $user       = $env{'user.name'};
+    my $domain     = $env{'user.domain'};
+    my %userenv = &Apache::lonnet::get('environment',['course_init_display']);
+
+    my $firstselect='checked="checked"';
+    my $whatsnewselect='';
+    if ($userenv{'course_init_display'} ne 'firstres') {
+        $firstselect='';
+        $whatsnewselect='checked="checked"';
+    }
+    my $whatsnew_off=&mt('Display the first resource in the course.');
+    my $whatsnew_on=&mt('Display a summary of items in the course which require action from the course coordinator.');
+
+    $r->print('<br /><b>'.&mt('Set the page to be displayed when you select the role of Course Coordinator').':</b>');
+    $r->print(<<ENDLSCREEN);
+<form name="server" action="/adm/preferences" method="post">
+<input type="hidden" name="action" value="verify_and_change_coursepage" />
+<label><input type="radio" name="newdisp" value="firstres" $firstselect /> $whatsnew_off</label><br />
+<label><input type="radio" name="newdisp" value="whatsnew" $whatsnewselect /> $whatsnew_on</label>
+ENDLSCREEN
+    $r->print('<br /><input type="submit" value="'.&mt('Change').'" />
+</form>');
+}
+
+sub verify_and_change_coursepage {
+    my $r = shift;
+    my $message='';
+    my %lt = &Apache::lonlocal::texthash(
+        'when' => 'Whenever you select the Course Coordinator role from the roles screen',
+        'ywbt' => 'you will be taken to the start of the course.',
+        'apwb' => 'a page will be displayed that lists items in the course that may require action from you.',
+        'gtts' => 'Go to the start of the course',
+        'dasp' => 'Display a summary page listing course action items', 
+    );
+    my $newdisp  = $env{'form.newdisp'};
+    if ($newdisp eq 'firstres') {
+        $message .= $lt{'when'}.', '.$lt{'ywbt'}.'<br/>';
+        &Apache::lonnet::put('environment',{'course_init_display' => $newdisp});
+        &Apache::lonnet::appenv('environment.course_init_display' => $newdisp);
+    } else {
+        $message .= $lt{'when'}.', '.$lt{'apwb'}.'<br/>';
+        &Apache::lonnet::del('environment',['course_init_display']);
+        &Apache::lonnet::delenv('environment\.course_init_display');
+    }
+    if (($env{'request.course.fn'}) && ($env{'request.course.id'})) {
+        if ($newdisp eq 'firstres') {
+            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 
+            my ($furl,$ferr)=
+                &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
+            $message .= '<br /><font size="+1"><a href="'.$furl.'">'.$lt{'gtts'}.' <i>'.&mt('now').'</i></a></font>';
+        } else {
+            $message .= '<br /><font size="+1"><a href="/adm/whatsnew">'.$lt{'dasp'}.'</a></font>';
+        }
+    }
+    $r->print(<<ENDVCSCREEN);
+$message
+<br /><br />
+ENDVCSCREEN
+}
+
+
 ######################################################
 #            other handler subroutines               #
 ######################################################
@@ -1153,7 +1221,22 @@ sub handler {
                             text => 'Change Math Preferences'},
                       printmenu => 'yes',
                       }));
-
+    if($env{'request.role'} =~ /^cc\.\//) {
+        push (@Options,({ action => 'changecourseinit',
+                          linktext => 'Change Course Initialization Preference',
+                          href => '/adm/preferences',
+                          subroutine => \&coursedisplaychanger,
+                          breadcrumb =>
+                              { href => '/adm/preferences?action=changecourseinit',
+                                text => 'Change Course Init. Pref.'},
+                          },
+                        { action => 'verify_and_change_coursepage',
+                          breadcrumb =>
+                          { href => '/adm/preferences?action=changecourseinit',                               text => 'Change Course Initialization Preference'},
+                        printmenu => 'yes',
+                        subroutine => \&verify_and_change_coursepage,
+                       }));
+    }
 
     if ($env{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle|raeburn)$/) {
         push (@Options,({ action => 'debugtoggle',