/// <summary>
/// Converts from a <see cref="ICommand"/> to a menu header string.
/// </summary>
/// <param name="command">The <see cref="ICommand"/> object to convert.</param>
/// <returns>
/// If <paramref name="command"/> is an instance of one of the types that have an associated key to obtain a menu header, it returns this string.
/// Otherwise, if the command is a <see cref="RoutedUICommand"/> it returns its text (already localized by the system).
/// Otherwise, this method returns null.
/// </returns>
private static string GetItemText(ICommand command)
{
string ItemHeader;
switch (command)
{
case ActiveDocumentRoutedCommand AsActiveDocumentCommand:
ItemHeader = AsActiveDocumentCommand.InactiveMenuHeader;
break;
case LocalizedRoutedCommand AsLocalizedRoutedCommand:
ItemHeader = AsLocalizedRoutedCommand.MenuHeader;
if (ItemHeader.Contains(LocalizedRoutedCommand.ApplicationNamePattern))
{
ItemHeader = ItemHeader.Replace(LocalizedRoutedCommand.ApplicationNamePattern, string.Empty);
}
break;
case ExtendedRoutedCommand AsExtendedRoutedCommand:
ItemHeader = AsExtendedRoutedCommand.MenuHeader;
break;
case RoutedUICommand AsUICommand:
ItemHeader = AsUICommand.Text;
break;
default:
throw new ArgumentOutOfRangeException(nameof(command));
}
return(ItemHeader);
}
/// <summary>
/// Gets the menu header of a command for a source element.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="activeDocument">The active document.</param>
/// <param name="applicationName">The application name.</param>
/// <returns>The header.</returns>
protected virtual string GetItemHeader(ICommand command, IDocument?activeDocument, string?applicationName)
{
string ItemHeader;
switch (command)
{
case ActiveDocumentRoutedCommand AsActiveDocumentCommand:
if (activeDocument == null)
{
ItemHeader = AsActiveDocumentCommand.InactiveMenuHeader;
}
else
{
string CommandTextFormat = AsActiveDocumentCommand.MenuHeader;
ItemHeader = string.Format(CultureInfo.CurrentCulture, CommandTextFormat, activeDocument.Path.HeaderName);
}
break;
case LocalizedRoutedCommand AsLocalizedRoutedCommand:
ItemHeader = AsLocalizedRoutedCommand.MenuHeader;
if (ItemHeader.Contains(LocalizedRoutedCommand.ApplicationNamePattern) && applicationName != null)
{
ItemHeader = ItemHeader.Replace(LocalizedRoutedCommand.ApplicationNamePattern, applicationName);
}
break;
case ExtendedRoutedCommand AsExtendedRoutedCommand:
ItemHeader = AsExtendedRoutedCommand.MenuHeader;
break;
case RoutedUICommand AsUICommand:
ItemHeader = AsUICommand.Text;
break;
default:
throw new ArgumentOutOfRangeException(nameof(command));
}
return(ItemHeader);
}