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//---------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//---------------------------------------------------------------------------
using System;
using System.ComponentModel; // for TypeConverter
using System.Windows;
using System.Windows.Markup;
using System.Windows.Media;
using MS.Internal.PresentationCore;
namespace System.Windows.Input
{
/// <summary>
/// RoutedCommand with added UI Information.
/// </summary>
[TypeConverter("System.Windows.Input.CommandConverter, PresentationFramework, Version=" + BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + BuildInfo.WCP_PUBLIC_KEY_TOKEN + ", Custom=null")]
public class RoutedUICommand : RoutedCommand
{
/// <summary>
/// Default Constructor - needed to allow markup creation
/// </summary>
public RoutedUICommand() : base()
{
_text = String.Empty;
}
/// <summary>
/// Creates an instance of this class.
/// </summary>
/// <param name="text">Descriptive and localizable text for the command</param>
/// <param name="name">Declared Name of the RoutedCommand for Serialization</param>
/// <param name="ownerType">Type that is registering the property</param>
public RoutedUICommand(string text, string name, Type ownerType)
: this(text, name, ownerType, null)
{
}
/// <summary>
/// Creates an instance of this class.
/// </summary>
/// <param name="text">Descriptive and localizable text for the command</param>
/// <param name="name">Declared Name of the RoutedCommand for Serialization</param>
/// <param name="ownerType">Type that is registering the property</param>
/// <param name="inputGestures">Default Input Gestures associated</param>
public RoutedUICommand(string text, string name, Type ownerType, InputGestureCollection inputGestures)
: base(name, ownerType, inputGestures)
{
if (text == null)
{
throw new ArgumentNullException("text");
}
_text = text;
}
/// <summary>
/// Creates an instance of this class. Allows lazy initialization of InputGestureCollection and Text properties.
/// </summary>
/// <param name="name">Declared Name of the RoutedCommand for Serialization</param>
/// <param name="ownerType">Type that is registering the property</param>
/// <param name="commandId">An identifier assigned by the owning type to the command</param>
internal RoutedUICommand(string name, Type ownerType, byte commandId):base(name, ownerType, commandId)
{
}
/// <summary>
/// Descriptive and localizable text for the command.
/// </summary>
public string Text
{
get
{
if(_text == null)
{
_text = GetText();
}
return _text;
}
set
{
if (value == null)
{
throw new ArgumentNullException("value");
}
_text = value;
}
}
/// <summary>
/// Fetches the text by invoking the GetUIText function on the owning type.
/// </summary>
/// <returns>The text for the command</returns>
private string GetText()
{
if(OwnerType == typeof(ApplicationCommands))
{
return ApplicationCommands.GetUIText(CommandId);
}
else if(OwnerType == typeof(NavigationCommands))
{
return NavigationCommands.GetUIText(CommandId);
}
else if(OwnerType == typeof(MediaCommands))
{
return MediaCommands.GetUIText(CommandId);
}
else if(OwnerType == typeof(ComponentCommands))
{
return ComponentCommands.GetUIText(CommandId);
}
return null;
}
private string _text;
}
}
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