--- loncom/interface/lonpreferences.pm	2014/02/15 18:20:42	1.196.4.14
+++ loncom/interface/lonpreferences.pm	2015/01/19 15:36:01	1.215
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Preferences
 #
-# $Id: lonpreferences.pm,v 1.196.4.14 2014/02/15 18:20:42 raeburn Exp $
+# $Id: lonpreferences.pm,v 1.215 2015/01/19 15:36:01 goltermann Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -165,7 +165,7 @@ sub texenginechanger {
 		     'tth' => 'tth (TeX to HTML)',
 		     #'ttm' => 'TeX to MathML',
 		     'jsMath' => 'jsMath',
-                     'MathJax' => 'MathJax',
+		     'MathJax' => 'MathJax',
 		     'mimetex' => 'mimetex (Convert to Images)',
                      'raw' => 'Raw (Screen Reader)'
                      );
@@ -183,6 +183,7 @@ sub texenginechanger {
       'change'   => 'Save',
       'exmpl'    => 'Examples',
       'mathjax'  => 'MathJax:',
+      'mathjaxinfo' => 'MathJax provides rendered equations whose source code can be extracted in TeX and MathML formats by right clicking the equation.',
       'jsmath'   => 'jsMath:',
       'tth'      => 'tth (TeX to HTML):',
       'mimetex'  => 'mimetex (Convert to Images):',
@@ -219,10 +220,10 @@ $lt{'exmpl'}
 
 <h3>$lt{'mathjax'}</h3>
 </script>
-<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=MathJax" width="400" height="120"></iframe>
+<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=MathJax" width="400" height="150"></iframe>
 </p>
 <p>
-MathJax provides rendered equations whose source code can be extracted in TeX and MathML formats by right clicking the equation.
+$lt{'mathjaxinfo'}
 </p>
 
 <h3>$lt{'jsmath'}</h3> 
@@ -234,17 +235,17 @@ if (jsMath.nofonts == 1) {
 }
 
 </script>
-<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" height="120"></iframe>
+<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" height="150"></iframe>
 </p>
 
 <h3>$lt{'mimetex'}</h3>
 <p>
-<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" height="100"></iframe>
+<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" height="150"></iframe>
 </p>
 
 <h3>$lt{'tth'}</h3>
 <p>
-<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" height="220"></iframe>
+<iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" height="150"></iframe>
 </p>
 ENDLSCREEN
     if ($env{'environment.texengine'} ne 'jsMath') {
@@ -308,7 +309,7 @@ sub rolesprefchanger {
     my $hotlist_n=$userenv{'recentrolesn'};
     my ($checkedon,$checkedoff);
     if ($hotlist_flag) {
-        $checkedon = 'checked="checked"'; 
+	$checkedon = 'checked="checked"';
     } else {
         $checkedoff = 'checked="checked"';
     }
@@ -391,7 +392,7 @@ $options.'
 &Apache::lonhtmlcommon::row_closure(1).
 &Apache::lonhtmlcommon::end_pick_box().'
 </div>');
-    if ($roles_check_list) {
+    if ($roles_check_list) { 
         $r->print('<div class="LC_left_float">
 <h4>'.&mt('Freeze Roles').'</h4>
 <p>'.&mt('The table below can be used to [_1]freeze[_2] '.$lc_role.'s in the Hotlist.','<q>','</q>').'<br />'.
@@ -788,7 +789,7 @@ sub lockwarning {
     my $textbottom=&mt('Changing roles or logging out may result in data corruption.');
     my ($num,%which)=&Apache::lonnet::get_locks();
     my $which='';
-    foreach my $id (keys %which) {
+    foreach my $id (keys(%which)) {
        $which.='<li>'.$which{$id}.'</li>';
     }
     my $change=&mt('Override');
@@ -1165,10 +1166,10 @@ sub colorschanger {
     foreach my $item (sort(keys(%colortypes))) {
        my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
        $chtable.=&Apache::loncommon::start_data_table_row().
-                 '<td>'.$colortypes{$item}.'<td><input name="'.$item.
-                 '" class="colorchooser"  size="10" value="'.$curcol.
-                 '" /></td>'.
-	         &Apache::loncommon::end_data_table_row()."\n";
+	   '<td>'.$colortypes{$item}.'<td><input name="'.$item.
+        '" class="colorchooser"  size="10" value="'.$curcol.
+'" /></td>'.
+	    &Apache::loncommon::end_data_table_row()."\n";
     }
     my $end_data_table = &Apache::loncommon::end_data_table();
     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
@@ -1180,7 +1181,6 @@ sub colorschanger {
 ' . $colorchooser . '
 </script>
 ');
-
     $r->print(<<ENDCOL);
 
 <form name="parmform" action="">
@@ -1219,11 +1219,11 @@ sub verify_and_change_colors {
     );
 
     my $message='';
-    foreach my $item (keys %colortypes) {
+    foreach my $item (keys(%colortypes)) {
         my $color=$env{'form.'.$item};
-        if (!($color =~ /^#/)) {
-            $color = '#' . $color;
-        }
+	if (!($color =~ /^#/)) {
+	    $color = '#' . $color;
+	}
         my $entry='color.'.$function.'.'.$item;
 	if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$env{'form.resetall'})) {
 	    &Apache::lonnet::put('environment',{$entry => $color});
@@ -1274,7 +1274,7 @@ sub passwordchanger {
                 $r->print(
                     '<p class="LC_warning">'
                    .&mt('Sorry, the URL you provided to complete the reset of your password was invalid. Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a [_1]new request[_2] for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.'
-                             ,'<a href="/adm/resetpw">','</a>')
+                       ,'<a href="/adm/resetpw">','</a>')
                    .'</p>'
                 );
                 return;
@@ -1295,9 +1295,9 @@ sub passwordchanger {
                 }
             } else {
                 $r->print(
-                   '<p class="LC_warning">'
-                  .&mt('Sorry, the URL generated when you requested reset of'
-                      .' your password contained incomplete information.')
+                    '<p class="LC_warning">'
+                   .&mt('Sorry, the URL generated when you requested reset of'
+                       .' your password contained incomplete information.')
                    .'</p>'
                 );
                 return;
@@ -1876,6 +1876,58 @@ sub verify_and_change_coursepage {
     &print_main_menu($r,$message);
 }
 
+sub author_space_settings {
+    my $r = shift;
+    &Apache::lonhtmlcommon::add_breadcrumb(
+            {   href => '/adm/preferences?action=authorsettings',
+                text => 'Authoring Space Settings'});
+    my $user       = $env{'user.name'};
+    my $domain     = $env{'user.domain'};
+    my %author_roles = &Apache::lonnet::get_my_roles($user,$domain,'userroles','',['au','ca','aa']);
+    if (keys(%author_roles) > 0) {
+            $r->print(Apache::loncommon::start_page('Authoring Space Settings'));
+            $r->print(Apache::lonhtmlcommon::breadcrumbs('Authoring Space Settings'));
+            my %userenv = &Apache::lonnet::get('environment',['nocodemirror']);
+            my $constchecked='';
+            if ($env{'environment.nocodemirror'}) {
+               $constchecked=' checked="checked"';
+            }
+            my $text=&mt('By default, Codemirror is activated for authors.');
+            my $cmoff=&mt('Deactivate Codemirror. This can improve the performance on slow computers.');
+            my $change=&mt('Save');
+            $r->print(<<ENDSCREEN);
+        <form name="prefs" action="/adm/preferences" method="post">
+        <input type="hidden" name="action" value="change_authoring_settings" />
+        $text<br />
+        <label><input type="checkbox" name="cmoff"$constchecked />$cmoff</label><br />
+        <input type="submit" value="$change" />
+        </form>
+ENDSCREEN
+    }
+}
+
+sub change_authoring_settings {
+    my $r = shift;
+    my $user       = $env{'user.name'};
+    my $domain     = $env{'user.domain'};
+    my %author_roles = &Apache::lonnet::get_my_roles($user,$domain,'userroles','',['au','ca','aa']);
+    if (keys(%author_roles) > 0) {
+            my %ausettings=('environment.nocodemirror' => '');
+            if ($env{'form.cmoff'}) { $ausettings{'environment.nocodemirror'}='yes'; }
+            &Apache::lonnet::put('environment',\%ausettings);
+            &Apache::lonnet::appenv({'environment.nocodemirror' => $ausettings{'environment.nocodemirror'}});
+            my $status='';
+            if ($ausettings{'environment.nocodemirror'} eq 'yes') {
+                $status=&mt('on');
+            } else {
+                $status=&mt('off');
+            }
+            my $message=&Apache::lonhtmlcommon::confirm_success(&mt('Set [_1] to [_2]','<i>'.&mt('Deactivate Codemirror in Authoring Space').'</i>','<tt>'.$status.'</tt>'));
+            $message=&Apache::loncommon::confirmwrapper($message);
+            &print_main_menu($r,$message);
+    }
+}
+
 sub lockednameschanger {
     my $r = shift;
     &Apache::lonhtmlcommon::add_breadcrumb(
@@ -2080,25 +2132,6 @@ push(@{ $menu[0]->{items} }, {
 	linktitle => 'Change your password.',
 	});
     }
-    if ($env{'environment.remote'} eq 'off') {
-push(@{ $menu[1]->{items} }, {
-        linktext => 'Launch Remote Control',
-        url => '/adm/remote?url=/adm/preferences&amp;action=launch',
-        permission => 'F',
-        #help => '',
-        icon => 'remotecontrol.png',
-        linktitle => 'Launch the remote control for LON-CAPA.',
-        });
-    }else{
-push(@{ $menu[1]->{items} }, {
-        linktext => 'Collapse Remote Control',
-        url => '/adm/remote?url=/adm/preferences&amp;action=collapse',
-        permission => 'F',
-        #help => '',
-        icon => 'remotecontrol.png',
-        linktitle => 'Collapse the remote control for LON-CAPA.',
-        });
-    }
 
     if (&can_toggle_namelocking()) {
         push(@{ $menu[0]->{items} }, {
@@ -2136,6 +2169,18 @@ push(@{ $menu[4]->{items} }, {
 	});
 
     }
+
+    my %author_roles = &Apache::lonnet::get_my_roles($user,$domain,'userroles','',['au','ca','aa']);
+    if (keys(%author_roles) > 0) {
+        push(@{ $menu[4]->{items} }, {
+            linktext => 'Authoring Space Configuration',
+            url => '/adm/preferences?action=authorsettings',
+            permission => 'F',
+            icon => 'course_ini.png',
+            linktitle => 'Settings for your authoring space.',
+        });
+    }
+
     if (&can_toggle_debug()) {
 push(@{ $menu[4]->{items} }, {
 	linktext => 'Toggle Debug Messages (Currently '.($env{'user.debug'} ? 'on)' : 'off)'),
@@ -2180,7 +2225,7 @@ sub handler {
     } else {
         $brlink ='/adm/preferences';
         $brtxt = 'Set User Preferences';
-        $brhelp = 'Prefs_About_Me,Prefs_Language,Prefs_Screen_Name_Nickname,Change_Colors,Change_Password,Prefs_Messages,Change_Discussion_Display';
+        $brhelp = 'Prefs_About_Me,Prefs_Language,Prefs_Screen_Name_Nickname,Change_Colors,Change_Password,Prefs_Messages,Change_Discussion_Display';   
     }
     Apache::lonhtmlcommon::add_breadcrumb
         ({href => $brlink,
@@ -2244,6 +2289,10 @@ sub handler {
         &coursedisplaychanger($r);
     }elsif($env{'form.action'} eq 'verify_and_change_coursepage'){
         &verify_and_change_coursepage($r);
+    }elsif($env{'form.action'} eq 'authorsettings'){
+        &author_space_settings($r);
+    }elsif($env{'form.action'} eq 'change_authoring_settings'){
+        &change_authoring_settings($r);
     }elsif($env{'form.action'} eq 'debugtoggle'){
         if (&can_toggle_debug()) {
             &toggle_debug();