/////////////////////////////////////////////////////////////////////////////////////////////////////
// NON-PUBLIC PROCEDURES
/////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Dynamically adds a menu item to a context menu.
/// </summary>
/// <param name="owner">The owner of the context menu.</param>
/// <param name="menu">The menu to update.</param>
internal static void AddCustomMenuItem(object owner, RibbonControls.Menu menu)
{
string customButtonLabel = "Programmatically-Added Menu Item";
// Determine if there is a Custom menu item already in the menu
bool hasCustomItem = false;
foreach (object childObj in menu.Items)
{
if ((childObj is RibbonControls.Button) && (((RibbonControls.Button)childObj).Label == customButtonLabel))
{
hasCustomItem = true;
break;
}
}
// If the custom item hasn't been added to this context menu...
if (!hasCustomItem)
{
// Add a separator and a custom button... normally the button would have a command assigned too
menu.Items.Add(new RibbonControls.Separator());
RibbonControls.Button newButton = new RibbonControls.Button();
newButton.Label = customButtonLabel;
newButton.Click += new EventHandler <RibbonControls.ExecuteRoutedEventArgs>(OnCustomMenuItemClicked);
newButton.Tag = new WeakReference(owner);
menu.Items.Add(newButton);
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
// PUBLIC PROCEDURES
/////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Occurs before a popup is opened.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">A <see cref="RoutedEventArgs"/> that contains the event data.</param>
private void OnPopupButtonPopupOpening(object sender, RoutedEventArgs e)
{
// Insert random content into the popup
RibbonControls.PopupButton popupOwner = (RibbonControls.PopupButton)sender;
if (new Random().NextDouble() < 0.65)
{
// Create a menu
RibbonControls.Menu menu = new RibbonControls.Menu();
for (int index = 0; index < 3; index++)
{
RibbonControls.Button button = new RibbonControls.Button();
button.Label = String.Format("Dynamically created menu item #{0}, created at {1}", index + 1, DateTime.Now);
menu.Items.Add(button);
}
popupOwner.PopupContent = menu;
}
else
{
// Create alternate content, the Actipro logo
StackPanel panel = new StackPanel();
panel.Children.Add(new TextBlock(new Run("Anything can be placed in a popup")));
panel.Children.Add(new ActiproSoftware.Windows.Controls.ActiproLogo());
popupOwner.PopupContent = panel;
}
}
/// <summary>
/// Updates the spell check context menu items.
/// </summary>
private void UpdateSpellCheckContextMenuItems()
{
// Process items for spell-checking if SpellCheck.IsEnabled = true
if ((this.ContextMenu != null) && (this.ContextMenu.ItemsSource == null))
{
RibbonControls.Menu menu = null;
if (this.ContextMenu.Items.Count > 0)
{
// Get an existing menu
menu = this.ContextMenu.Items[0] as RibbonControls.Menu;
if ((menu != null) && (!"SpellingErrors".Equals(menu.Tag)))
{
menu = null;
}
}
if (menu != null)
{
// Clear the items
menu.Items.Clear();
}
else
{
// Create a new menu
menu = new RibbonControls.Menu();
menu.Tag = "SpellingErrors";
this.ContextMenu.Items.Insert(0, menu);
}
// If spell check is enabled...
if (this.SpellCheck.IsEnabled)
{
// Get the spelling error at the caret
SpellingError error = this.GetSpellingError(this.CaretPosition);
if (error != null)
{
// Add suggestion items
foreach (string suggestion in error.Suggestions)
{
RibbonControls.Button button = new RibbonControls.Button();
button.Command = EditingCommands.CorrectSpellingError;
button.CommandParameter = suggestion;
button.Label = suggestion;
menu.Items.Add(button);
}
// Add separator
if (menu.Items.Count > 0)
{
menu.Items.Add(new RibbonControls.Separator());
}
}
}
// Update visibility
menu.Visibility = (this.SpellCheck.IsEnabled && (menu.Items.Count > 0) ? Visibility.Visible : Visibility.Collapsed);
}
}
/// <summary>
/// Processes the <see cref="PopupOpeningEvent"/> event.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">A <c>CancelRoutedEventArgs</c> that contains the event data.</param>
private static void OnPopupOpeningEvent(object sender, CancelRoutedEventArgs e)
{
RibbonControls.PopupButton popupButton = e.OriginalSource as RibbonControls.PopupButton;
if (popupButton is RibbonControls.Primitives.QuickAccessToolBarCustomizeButton)
{
RibbonControls.Menu menu = popupButton.PopupContent as RibbonControls.Menu;
if (menu != null)
{
MainControl.AddCustomMenuItem(popupButton, menu);
}
}
}
/// <summary>
/// Initializes an instance of the <c>RichTextBoxExtended</c> class.
/// </summary>
public RichTextBoxExtended()
{
// Set appearance
this.Background = Brushes.White;
this.BorderBrush = Brushes.Black;
this.BorderThickness = new Thickness(1);
this.Foreground = Brushes.Black;
this.Document.Background = Brushes.Transparent;
this.Document.Foreground = this.Foreground;
ThemeProperties.SetUseBackgroundStates(this, false);
ThemeProperties.SetUseBorderStates(this, false);
// Assign a custom context menu
if (!BrowserInteropHelper.IsBrowserHosted)
{
RibbonControls.ContextMenu contextMenu = new RibbonControls.ContextMenu();
RibbonControls.Menu menu = new RibbonControls.Menu();
contextMenu.Items.Add(menu);
menu.Items.Add(new RibbonControls.Button(System.Windows.Input.ApplicationCommands.Undo)
{
KeyTipAccessText = "U"
});
menu.Items.Add(new RibbonControls.Button(System.Windows.Input.ApplicationCommands.Redo)
{
KeyTipAccessText = "R"
});
menu.Items.Add(new RibbonControls.Separator());
menu.Items.Add(new RibbonControls.Button(System.Windows.Input.ApplicationCommands.Cut)
{
KeyTipAccessText = "T"
});
menu.Items.Add(new RibbonControls.Button(System.Windows.Input.ApplicationCommands.Copy)
{
KeyTipAccessText = "C"
});
menu.Items.Add(new RibbonControls.Button(System.Windows.Input.ApplicationCommands.Paste)
{
KeyTipAccessText = "P"
});
this.ContextMenu = contextMenu;
// Attach a mini-toolbar to the context menu
contextMenu.MiniToolBar = new ActiproSoftware.ProductSamples.RibbonSamples.Common.RichTextBoxMiniToolBar();
// Attach to the context menu opening event
this.ContextMenuOpening += OnContextMenuOpening;
}
// Add command bindings
this.CommandBindings.Add(new CommandBinding(EditingCommands.AlignCenter, null, OnAlignCenterCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.AlignJustify, null, OnAlignJustifyCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.AlignLeft, null, OnAlignLeftCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.AlignRight, null, OnAlignRightCanExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.ApplyBackground, OnApplyBackgroundExecute, OnApplyBackgroundCanExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.ApplyDefaultBackground, OnApplyDefaultBackgroundExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.ApplyDefaultForeground, OnApplyDefaultForegroundExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.ApplyForeground, OnApplyForegroundExecute, OnApplyForegroundCanExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.ClearFormatting, OnClearFormattingExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.FontFamily, OnFontFamilyExecute, OnFontFamilyCanExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.FontSize, OnFontSizeExecute, OnFontSizeCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.ToggleBold, null, OnToggleBoldCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.ToggleItalic, null, OnToggleItalicCanExecute));
this.CommandBindings.Add(new CommandBinding(ApplicationCommands.ToggleStrikethrough, OnToggleStrikethroughExecute, OnToggleStrikethroughCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.ToggleSubscript, null, OnToggleSubscriptCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.ToggleSuperscript, null, OnToggleSuperscriptCanExecute));
this.CommandBindings.Add(new CommandBinding(EditingCommands.ToggleUnderline, null, OnToggleUnderlineCanExecute));
}
