How can I change the default context menu?

I've been setting a custom ContextMenu via the SyntaxEditor's ContextMenu property for a long while now and overall, it works great. However, I've discovered an issue that I need help with.

If the SyntaxEditor's Document becomes readonly and then later becomes writeable, all the ContextMenu commands remain disabled. 

To repro this, you can use the below sample and the following steps:

1. Type some characters into the syntax editor. Doesn't matter what.
2. Check the 'Toggle Read-Only' checkbox
3. Uncheck the 'Toggle Read-Only' checkbox
4. Right click in the editor

You'll see that the context menu items are all disabled, despite some being enabled before step 2.

Question: Is there something I can change so that the context menus re-enable themselves appropriately? 

Thanks,

-Craig

Sample code:

MainWindow.xaml:

<Window 
    x:Class="WpfApplication4.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:SyntaxEditor="http://schemas.actiprosoftware.com/winfx/xaml/syntaxeditor"
    Title="MainWindow" 
    Height="350" 
    Width="525"
    >
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <CheckBox
            x:Name="readonlyToggle"
            Content="Toggle Read-Only"
            Grid.Row="0"
            Click="ReadonlyToggle_OnClick"
            />
        <SyntaxEditor:SyntaxEditor
            x:Name="syntaxEditor"
            Grid.Row="1"
            IsDefaultContextMenuEnabled="False"
            >
            <SyntaxEditor:SyntaxEditor.ContextMenu>
                <ContextMenu>
                    <MenuItem
                        Header="Undo"
                        Command="SyntaxEditor:EditorCommands.Undo"
                        InputGestureText="Ctrl+Z"
                        />
                    <MenuItem
                        Header="Redo"
                        Command="SyntaxEditor:EditorCommands.Redo"
                        InputGestureText="Ctrl+Y"
                        />
                    <Separator 
                        />
                    <MenuItem
                        Header="Cu_t"
                        Command="SyntaxEditor:EditorCommands.CutToClipboard"
                        InputGestureText="Ctrl+X"
                        />
                    <MenuItem
                        Header="_Copy"
                        Command="SyntaxEditor:EditorCommands.CopyToClipboard"
                        InputGestureText="Ctrl+C"
                        />
                    <MenuItem
                        Header="_Paste"
                        Command="SyntaxEditor:EditorCommands.PasteFromClipboard"
                        InputGestureText="Ctrl+V"
                        />
                    <MenuItem
                        Header="_Delete"
                        Command="SyntaxEditor:EditorCommands.Delete"
                        />
                    <Separator
                        />
                    <MenuItem
                        Header="Select _All"
                        Command="SyntaxEditor:EditorCommands.SelectAll"
                        InputGestureText="Ctrl+A"
                        />
                </ContextMenu>
            </SyntaxEditor:SyntaxEditor.ContextMenu>
        </SyntaxEditor:SyntaxEditor>
    </Grid>
</Window>

 MainWindow.xaml.cs:

namespace WpfApplication4
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void ReadonlyToggle_OnClick(object sender, RoutedEventArgs e)
        {
            syntaxEditor.Document.IsReadOnly = readonlyToggle.IsChecked.GetValueOrDefault();
        }
    }
}

Hi Craig,

Are you running the latest version?  Perhaps you don't have focus in the editor when the right-click is done?  Menu item commands operate on whatever has focus.  I believe in recent builds though we added something to focus on right-click.

I'm testing this with WPF Studio 12.2.570. 

Some questions:

1. Are you able to reproduce the issue with the sample code above? Your reply didn't explicitly state that.
2. When building your context menu, are you setting the CommandParameter or CommandTarget properties on your menu items? If so, to what? (I'm wondering if my lack of a paramter and/or target is contributing to this)

In the meantime, I'll try authoring a behavior to focus the SyntaxEditor when a right click occurs.

-Craig

Yes I did test with your code and just looked up the build 571 release notes.  It looks like we added focus on right-click in that build.  So that's why it worked for me.

That's great, thanks. Also, I've confirmed that if I use

private void SyntaxEditor_OnPreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
    syntaxEditor.ActiveView.Focus();
}

 with earlier builds, the ContextMenu works.

Thanks again,

-Craig