/Scenes/UserInterfaces/Controls/Label.cs

using System;

using System.ComponentModel;

using System.IO;

using Delta.Engine;

using Delta.Engine.SettingsNodes;

using Delta.InputSystem;

using Delta.Rendering.Basics.Drawing;

using Delta.Rendering.Basics.Fonts;

using Delta.Scenes.Enums;

using Delta.Scenes.UserInterfaces.Designs;

using Delta.Utilities;

using Delta.Utilities.Datatypes;

using Delta.Utilities.Datatypes.Advanced;

using Delta.Utilities.Helpers;

using NUnit.Framework;

using Delta.ContentSystem.Xml;



namespace Delta.Scenes.UserInterfaces.Controls

{

	/// <summary>

	/// This is a simple label control for displaying (read-only) text on a

	/// screen.

	/// </summary>

	public class Label : BaseControl

	{

		#region Constants

		/// <summary>

		/// The current version of the implementation of this control class.

		/// </summary>

		private const int VersionNumber = 1;



		private const string TextElementName = "Label.TextContent";

		#endregion



		#region Delegates

		/// <summary>

		/// The delegate declaration for the text changed event.

		/// </summary>

		/// <param name="sender">Sender</param>

		public delegate void TextChangedEvent(Label sender);

		#endregion



		#region Text (Public)

		/// <summary>

		/// Text to display on this label.

		/// </summary>

		private string text;

		/// <summary>

		/// The displayed text, will be localized automatically (make sure you have

		/// an entry for this in your Localization.xml content file).

		/// </summary>

		[Browsable(true)]

		public string Text

		{

			get

			{

				return text;

			}

			set

			{

				// Note: If Localization.WarnIfLanguageKeyWasNotFound is on this might

				// produce warnings for text entries not found as language keys.

				text =

					String.IsNullOrEmpty(value)

						? value

						: Localization.Get(value);

			}

		}

		#endregion



		#region TextContentElement (Public)

		/// <summary>

		/// The content element which 

		/// </summary>

		/// <returns>Dockable element</returns>

		public AlignableElement TextContentElement

		{

			get;

			set;

		}

		#endregion



		#region IsTextElementAutoSizing

		/// <summary>

		/// Indicates if the TextContentElement applies the same size as the Label

		/// every time the size of this Label changes

		/// <para />

		/// Note: Default is 'true'.

		/// </summary>

		public bool IsTextElementAutoSizing

		{

			get;

			set;

		}

		#endregion



		#region TextDrawArea (Public)

		/// <summary>

		/// Text draw area

		/// </summary>

		public Rectangle TextDrawArea

		{

			get

			{

				return TextContentElement.DrawArea;

			} // get

		}

		#endregion



		#region Protected



		#region FallbackDesign (Protected)

		/// <summary>

		/// Defines the theme which will be used if no "Theme" was set explicitely.

		/// </summary>

		protected override ControlDesign FallbackDesign

		{

			get

			{

				return Theme.Current.LabelDesign;

			} // get

		}

		#endregion



		#region TextFont (Protected)

		/// <summary>

		/// The font which is used to displaying the text.

		/// </summary>

		/// <remarks>

		/// This value get updated everytime the design of the Label changes.

		/// </remarks>

		/// <returns>Font</returns>

		protected Font TextFont

		{

			get

			{

				// If we want to use the font right now but there is no valid one yet

				// then we just use the Engine fallback font

				return (labelDesign != null)

								? labelDesign.TextFont

								: Font.Default;

			} // get

		}

		#endregion



		#endregion



		#region Private



		#region lastText (Private)

		/// <summary>

		/// The last set text of this element which is used to "detect" text

		/// changes of the element by the user.

		/// </summary>

		private string lastText;

		#endregion



		#region labelDesign (Private)

		/// <summary>

		/// Label design

		/// </summary>

		private ITextDesign labelDesign;

		#endregion



		#endregion



		#region Constructors

		/// <summary>

		/// Create label

		/// </summary>

		public Label()

		{

			TextContentElement = new AlignableElement

			{

				Name = TextElementName,

			};

			Add(TextContentElement);



			IsTextElementAutoSizing = true;

		}

		#endregion



		#region TextChanged (Event)

		/// <summary>

		/// Occurs every time the text of the label will be changed.

		/// </summary>

		public event TextChangedEvent TextChanged;

		#endregion



		#region Save (Public)

		/// <summary>

		/// Saves all data which are necessary to restore the object again.

		/// </summary>

		/// <param name="dataWriter">

		/// The writer which contains the stream where the data should be saved

		/// into now.

		/// </param>

		public override void Save(BinaryWriter dataWriter)

		{

			// At first we write the data of the base class

			base.Save(dataWriter);



			// and then save the version of the current data format

			dataWriter.Write(VersionNumber);



			// before we can finally save the properties

			Text.Save(dataWriter);

		}

		#endregion



		#region Load (Public)

		/// <summary>

		/// Loads and restores all previously saved values that belongs to this

		/// class only from the given data reader.

		/// </summary>

		/// <param name="dataReader">

		/// The reader which contains the stream with the saved data which needs to

		/// be loaded now.

		/// </param>

		public override void Load(BinaryReader dataReader)

		{

			// We have to remove the automatically created text area element because

			// we will load (and create) it by the saved data, but still remember it

			// to have the chance to restore it again in the case we will get an

			// error while loading

			AlignableElement orgTextAreaElement = TextContentElement;

			Remove(TextContentElement);

			TextContentElement = null;



			// At first we need to load all data of the base class

			base.Load(dataReader);



			// and then check which version of the data need to load now

			int version = dataReader.ReadInt32();

			switch (version)

			{

				// Version 1

				case VersionNumber:

					Text = dataReader.ReadString();



					// Look for the text area element we have to re-reference

					foreach (AlignableElement child in Children)

					{

						if (child.Name == TextElementName)

						{

							// we have found it, so reference it

							TextContentElement = child;

							// and finally dispose the old element

							orgTextAreaElement.Dispose();

							break;

						} // if

					} // foreach



					// If something went wrong

					if (TextContentElement == null)

					{

						// notify the user

						Log.Warning("The text area element couldn't be loaded.");

						// and restore the old element

						TextContentElement = orgTextAreaElement;

						Add(TextContentElement);

					} // if

					break;



				default:

					Log.InvalidVersionWarning(GetType().Name, version, VersionNumber);

					break;

			} // switch

		}

		#endregion



		#region Methods (Private)



		#region OnSizeChanging

		/// <summary>

		/// On size changing

		/// </summary>

		/// <param name="oldSize">Old size</param>

		/// <returns>

		/// 'True' if the new value can be used or 'false' if the change should be

		/// aborted.

		/// </returns>

		protected override bool OnSizeChanging(Size oldSize)

		{

			if (base.OnSizeChanging(oldSize))

			{

				if (IsTextElementAutoSizing)

				{

					TextContentElement.Size = Size;

				} // if



				return true;

			} // if



			return false;

		}

		#endregion



		#region OnDesignChanging

		/// <summary>

		/// On design changed

		/// </summary>

		/// <param name="oldDesign">Old design</param>

		/// <returns>

		/// 'True' if the new value can be used or 'false' if the change should be

		/// aborted.

		/// </returns>

		protected override bool OnDesignChanging(ControlDesign oldDesign)

		{

			if (base.OnDesignChanging(oldDesign))

			{

				// Check if the new design is a valid 'TextControlDesign' but

				// Note: Even 'null' will be accepted and handled here

				labelDesign = Design as ITextDesign;

				if (labelDesign == null)

				{

					Log.Warning(

						"The new design '" + Design + "' which will be set to the " +

						"control '" + this + "' is no kind of a '" +

						typeof(ITextDesign).Name +"' design which means that the text " +

						"won't be displayed correctly.");

				} // if



				return true;

			} // if



			return false;

		}

		#endregion



		#region OnTextChanging

		/// <summary>

		/// On text changing

		/// </summary>

		/// <param name="oldText">Old text</param>

		/// <returns>

		/// 'True' if the new value can be used or 'false' if the change should be

		/// aborted.

		/// </returns>

		protected virtual bool OnTextChanging(string oldText)

		{

			// Always accept the text change but determine if this "auto fallback"

			// decides it or we have an listener who can make a "real" decision

			return true;

		}

		#endregion



		#region DetectChanges

		/// <summary>

		/// This method implements the checks of the changes which are should be

		/// detected in this element. It also cares about triggering the events and

		/// the event handler methods.

		/// </summary>

		protected override void DetectChanges()

		{

			base.DetectChanges();



			if (Text != lastText)

			{

				// Check now if the new value should be set

				if (OnTextChanging(lastText))

				{

					lastText = Text;



					// After setting the new value also inform all external listeners

					// about the change

					if (TextChanged != null &&

						// but only if it isn't just the value initialization

							isRuntimeValueChange)

					{

						TextChanged.Invoke(this);

					} // if

				} // if

				else

				{

					// if the change is not ok, then just reset to old value again

					Text = lastText;

				} // else

			} // if

		}

		#endregion



		#region DrawData

		/// <summary>

		/// Draws all data of this Label which needs to be visualized.

		/// </summary>

		/// <remarks>

		/// This method will only be called if the Label is in a visible state.

		/// </remarks>

		protected override void DrawData()

		{

			base.DrawData();



			string displayText = GetDisplayText();



			if (String.IsNullOrEmpty(displayText))

			{

				// It only make sense to call 'Font.Draw()' if we really have a text

				return;

			} // if



			// Always draw the text even if the control is disabled

			// Note: If the control is invisible, the draw won't be called anyway

			Font textFont =

				State == ElementState.Disabled

					? labelDesign.DisabledTextFont

					: labelDesign.TextFont;



			// but only draw text if there is a valid font set

			if (textFont != null)

			{

				textFont.Draw(displayText, TextContentElement.DrawArea, Rotation,

					Point.Zero);

			} // if

		}

		#endregion



		#region GetDisplayText

		/// <summary>

		/// Get display text

		/// </summary>

		protected virtual string GetDisplayText()

		{

			return Text;

		}

		#endregion



		#region DrawDebugInfo

		/// <summary>

		/// Draw debug info

		/// </summary>

		protected override void DrawDebugInfo()

		{

			base.DrawDebugInfo();



			// Only really detailed visual information about this element if the UI

			// profiling mode is enabled additional to the UI debug mode

			if (Settings.Debug.IsProfilingModeOn(ProfilingMode.UI))

			{

				Rect.DrawFilled(DrawArea, Color.Green);

			} // if



				// otherwise just use the simple version

			else

			{

				Rect.DrawOutline(DrawArea, Color.Green, Rotation);

			} // else

		}

		#endregion



		#region ShortElementInfo

		/// <summary>

		/// Short control info

		/// </summary>

		protected override string ShortElementInfo()

		{

			return base.ShortElementInfo() + ", Text=" + Text;

		}

		#endregion



		#endregion



		/// <summary>

		/// Tests for Label controls

		/// </summary>

		[NUnit.Framework.Category("Visual")]

		internal class LabelTests

		{

			#region Helpers



			#region TestLabelDesign

			/// <summary>

			/// Test label design

			/// </summary>

			private static readonly TextControlDesign TestLabelDesign =

				new TextControlDesign

				{

					Background = null,

					DisabledBackground = null,

					Hover = null,

					TextFont = new Font(Font.Default, Color.Gold),

					DisabledTextFont = new Font(Font.Default, Color.Black),

					TextBackground = BaseTheme.GetUIMaterial("DefaultLabel"),

					TextHoverBackground = BaseTheme.GetUIMaterial("DefaultLabel",

						Color.Yellow),

					DisabledTextBackground = BaseTheme.GetUIMaterial("DefaultLabel",

						Color.Grey),

				};

			#endregion



			#endregion



			#region Clone (Static)

			/// <summary>

			/// Clone

			/// </summary>

			[Test]

			public static void Clone()

			{

				using (Label testLabel = new Label

				{

					Name = "testButton",

					Text = "testing",

				})

				{

					Label clonedLabel = testLabel.Clone<Label>();

					Assert.NotEqual(testLabel, clonedLabel);

					Assert.NotEqual(testLabel.Children, clonedLabel.Children);

					Assert.Equal(testLabel.Name, clonedLabel.Name);

					Assert.Equal(testLabel.Text, clonedLabel.Text);

				} // using

			}

			#endregion



			#region DisplayLabel (Static)

			/// <summary>

			/// Display label

			/// </summary>

			[Test]

			public static void DisplayLabel()

			{

				const string LabelInitText = "Text";

				Label testLabel = new Label

				{

					LocalArea = Rectangle.FromCenter(0.35f, 0.35f, 0.4f, 0.125f),

					Text = LabelInitText,

					//Design = TestLabelDesign,

				};



				Screen testScene = new Screen();

				testScene.Add(testLabel);



				// Open now the scene to "activate" for the test

				testScene.Open();



				Application.Start(delegate

				{

					testLabel.Text =

						Input.Keyboard.SpaceIsPressed

							? "loooooooooooooooooooooong Text"

							: LabelInitText;



					Point pos = new Point(0.5f, ScreenSpace.DrawArea.Top + 0.01f);

					const float LineGap = 0.02f;

					Font.Default.Draw("MousePos='" + Input.Mouse.Position + "'",

						Rectangle.FromCenter(pos, Size.Half));

					pos.Y += LineGap;

					Font.Default.Draw(

						"TextArea='" + testLabel.TextContentElement.DrawArea + "'",

						Rectangle.FromCenter(pos, Size.Half));

					pos.Y += LineGap;

				});

			}

			#endregion



			#region DisabledLabel (Static)

			/// <summary>

			/// Disabled label

			/// </summary>

			[Test]

			public static void DisabledLabel()

			{

				Label testLabel = new Label

				{

					LocalArea = new Rectangle(0.25f, 0.25f, 0.5f, 0.15f),

					//Design = TestLabelDesign,

					Text = "Enabled",

				};



				Screen testScene = new Screen();

				testScene.Add(testLabel);



				// Open now the scene to "activate" for the test

				testScene.Open();



				Application.Start(delegate

				{

					// Start the visual test to see the Label

					// Disable/enable the Label by pressing the keyboard "Space" button

					if (Input.Keyboard.SpaceReleased)

					{

						if (testLabel.State >= ElementState.Enabled)

						{

							testLabel.State = ElementState.Disabled;

						}

						else

						{

							testLabel.State =

								testLabel.IsInControl(Input.Mouse.Position)

									? ElementState.Hovered

									: ElementState.Enabled;

						} // else

						testLabel.Text = testLabel.State.ToString();

					}

				});

			}

			#endregion



			#region TextAlignment (Static)

			/// <summary>

			/// Text alignment

			/// </summary>

			[Test]

			public static void TextAlignment()

			{

				// The used UI scene for the unit test

				Screen testScene = new Screen();



				Label testLabel = new Label

				{

					LocalArea = new Rectangle(0.15f, 0.3f, 0.4f, 0.15f),

					CustomDesign = TestLabelDesign,

					Text = "Please press 'Space'",

				};

				testScene.Add(testLabel);

				//testImage.Text = "Alignment=" + testImage.Alignment;



				// Open now the scene to "activate" for the test

				testScene.Open();



				Application.Start(delegate

				{

					// Cycling through all alignment modes by pressing the "Space" key

					if (Input.Keyboard.SpaceReleased)

					{

						ITextDesign textDesign = (ITextDesign)testLabel.CustomDesign;

						textDesign.TextFont = new Font(textDesign.TextFont,

							textDesign.TextFont.HorizontalAlignment.NextValue());

						testLabel.Text = textDesign.TextFont.HorizontalAlignment + " text";

					}

				});

			}

			#endregion



			#region DisplayMultilineText (Static)

			/// <summary>

			/// Display multiline text

			/// </summary>

			[Test]

			public static void DisplayMultilineText()

			{

				Screen testScene = new Screen();



				Label singleLineLabel = new Label

				{

					LocalArea = Rectangle.FromCenter(0.25f, 0.5f, 0.3f, 0.2f),

					Text = "Single line text",

					CustomDesign = TestLabelDesign,

				};

				testScene.Add(singleLineLabel);



				Label multiLineLabel = new Label

				{

					LocalArea = Rectangle.FromCenter(0.75f, 0.5f, 0.3f, 0.2f),

					Text = "Multi-\r\n" + "Line-\n" + "Text",

					CustomDesign = TestLabelDesign,

				};

				testScene.Add(multiLineLabel);



				// Open now the scene to "activate" for the test

				testScene.Open();



				Application.Start(delegate

				{

					// Cycling through all alignment modes by pressing the "Space" key

					if (Input.Keyboard.SpaceReleased)

					{

						// Grab the fonts

						ITextDesign singleTextDesign =

							singleLineLabel.CustomDesign as ITextDesign;

						ITextDesign multiTextDesign =

							multiLineLabel.CustomDesign as ITextDesign;



						// determine the next text alignment mode

						HorizontalAlignment newTextAlignment =

							singleTextDesign.TextFont.HorizontalAlignment.NextValue();



						// and set it

						singleTextDesign.TextFont =

							new Font(singleTextDesign.TextFont, newTextAlignment);

						multiTextDesign.TextFont =

							new Font(multiTextDesign.TextFont, newTextAlignment);

					}

				});

			}

			#endregion



			#region Docking (Static)

			/// <summary>

			/// Docking

			/// </summary>

			[Test]

			public static void Docking()

			{

				//  // The used UI screen for the unit test

				//  UserScreen testScene = new UserScreen();



				//  Label testLabel = new Label

				//  {

				//    LocalArea = new Rectangle(0.15f, 0.3f, 0.4f, 0.15f),

				//    Design = TestLabelDesign,

				//    Size = new Size(0.1f, 0.02f),

				//    //Docking

				//    AnchorPoint = AnchorType.Middle,

				//  };

				//  testScene.Add(testLabel);

				//  //testImage.Text = "Alignment=" + testImage.Alignment;



				//  // Open now the scene to "activate" for the test

				//  testScene.Open();



				//  Application.Start(delegate

				//  {

				//    // Cycling through all alignment modes by pressing the "Space" key

				//    if (Input.Keyboard.SpaceReleased)

				//    {

				//      testLabel.Alignment = EnumHelper.NextValue(testLabel.Alignment);

				//      //testLabel.Text = testLabel.Alignment.ToString();

				//      //testImage.Text = "Alignment=" + testImage.Alignment

				//      testLabel.Text = "Alignment=" + testLabel.Alignment +

				//        ", AnchorPoint= " + testLabel.AnchorPoint;

				//      ;

				//    }



				//    // Cycling through all alignment modes by pressing the "Space" key

				//    if (Input.Keyboard.EnterReleased)

				//    {

				//      testLabel.AnchorPoint =

				//        EnumHelper.NextValue(testLabel.AnchorPoint);

				//      //testLabel.Text = testLabel.Alignment.ToString();

				//      testLabel.Text = "Alignment=" + testLabel.Alignment +

				//        ", AnchorPoint= " + testLabel.AnchorPoint;

				//    }



				//    // By pressing the "Ctrl" key we change the scaling of the control to

				//    // if the alignment still works

				//    testLabel.Scaling = Input.Keyboard.IsPressed(InputButton.LeftControl) ?

				//      0.5f : 1.0f;

				//  });

			}

			#endregion



			#region Alignment (Static)

			/// <summary>

			/// Alignment

			/// </summary>

			[Test]

			public static void Alignment()

			{

				//  // The used UI scene for the unit test

				//  UIScene testScene = new UIScene();



				//  Label testLabel = new Label

				//  {

				//    LocalArea = new Rectangle(0.15f, 0.3f, 0.4f, 0.15f),

				//    Design = TestLabelDesign,

				//    //Scaling = 0.5f,

				//    Size = new Size(0.1f, 0.02f),

				//    AnchorPoint = AnchorType.Middle,

				//  };

				//  testScene.Add(testLabel);

				//  //testImage.Text = "Alignment=" + testImage.Alignment;



				//  // Open now the scene to "activate" for the test

				//  testScene.Open();



				//  Application.Start(delegate

				//  {

				//    // Cycling through all alignment modes by pressing the "Space" key

				//    if (Input.Keyboard.SpaceReleased)

				//    {

				//      testLabel.Alignment = EnumHelper.NextValue(testLabel.Alignment);

				//      //testLabel.Text = testLabel.Alignment.ToString();

				//      //testImage.Text = "Alignment=" + testImage.Alignment

				//      testLabel.Text = "Alignment=" + testLabel.Alignment +

				//        ", AnchorPoint= " + testLabel.AnchorPoint; ;

				//    }



				//    // Cycling through all alignment modes by pressing the "Space" key

				//    if (Input.Keyboard.EnterReleased)

				//    {

				//      testLabel.AnchorPoint =

				//        EnumHelper.NextValue(testLabel.AnchorPoint);

				//      //testLabel.Text = testLabel.Alignment.ToString();

				//      testLabel.Text = "Alignment=" + testLabel.Alignment +

				//        ", AnchorPoint= " + testLabel.AnchorPoint;

				//    }



				//    // By pressing the "Ctrl" key we change the scaling of the control to

				//    // if the alignment still works

				//    testLabel.Scaling = Input.Keyboard.IsPressed(InputButton.LeftControl) ?

				//      0.5f : 1.0f;

				//  });

			}

			#endregion



			#region ChildAlignment (Static)

			/// <summary>

			/// Child alignment

			/// </summary>

			[Test]

			public static void ChildAlignment()

			{

				//  // The used UI scene for the unit test

				//  UIScene testScene = new UIScene();



				//  Label parentLabel = new Label

				//  {

				//    LocalArea = new Rectangle(0.2f, 0.2f, 0.6f, 0.5f),

				//    Design = TestLabelDesign,

				//    //Scaling = 0.5f,

				//    //Text = "No AutoSize", -> no text because of child control text

				//  };



				//  Label testLabel = new Label

				//  {

				//    //LocalArea = new Rectangle(0.15f, 0.3f, 0.4f, 0.15f),

				//    LocalPosition = new Point(0.15f, 0.3f),

				//    Size = new Size(0.1f, 0.02f),

				//    AnchorPoint = AnchorType.TopRight,

				//    Design = TestLabelDesign,

				//    //Scaling = 0.5f,



				//  };

				//  parentLabel.Add(testLabel);

				//  testScene.Add(parentLabel);

				//  //testImage.Text = "Alignment=" + testImage.Alignment;



				//  // Open now the scene to "activate" for the test

				//  testScene.Open();



				//  Application.Start(delegate

				//  {

				//    // Cycling through all alignment modes by pressing the "Space" key

				//    if (Input.Keyboard.SpaceReleased)

				//    {

				//      testLabel.Alignment = EnumHelper.NextValue(testLabel.Alignment);

				//      //testLabel.Text = testLabel.Alignment.ToString();

				//      //testImage.Text = "Alignment=" + testImage.Alignment

				//      testLabel.Text = "Alignment=" + testLabel.Alignment +

				//        ", AnchorPoint= " + testLabel.AnchorPoint; ;

				//    }



				//    // Cycling through all alignment modes by pressing the "Space" key

				//    if (Input.Keyboard.EnterReleased)

				//    {

				//      testLabel.AnchorPoint =

				//        EnumHelper.NextValue(testLabel.AnchorPoint);

				//      //testLabel.Text = testLabel.Alignment.ToString();

				//      testLabel.Text = "Alignment=" + testLabel.Alignment +

				//        ", AnchorPoint= " + testLabel.AnchorPoint;

				//    }



				//    // By pressing the "Ctrl" key we change the scaling of the control to

				//    // if the alignment still works

				//    testLabel.Scaling = Input.Keyboard.IsPressed(InputButton.LeftControl) ?

				//      0.5f : 1.0f;

				//  });

			}

			#endregion



			#region DrawLabelDepthTest (Static)

			/// <summary>

			/// Draw Label Depth Test

			/// </summary>

			[Test]

			public static void DrawLabelDepthTest()

			{

				//  // The used UI scene for the unit test

				//  UIScene uiScene = Base.GameScreen.OverlayScreen.UIScene;



				//  Label frontLabel = null;

				//  Label backLabel = null;



				//  Base.StartTest("Display Label", delegate

				//  {

				//    if (frontLabel == null)

				//    {

				//      frontLabel = new Label

				//      {

				//        LocalArea = new Rectangle(0.3f, 0.46f, 0.4f, 0.08f),

				//        IsAutoSizing = false,

				//        Text = "I AM IN FRONT!!! :D",

				//        TextColor = Color.Red,

				//        TextFont = Graphic.InfoFont,//new Font("Arial", 13),

				//        DepthLayer = 2,

				//      };

				//      uiScene.Add(frontLabel);



				//      backLabel = new Label

				//      {

				//        LocalArea = new Rectangle(0.27f, 0.415f, 0.4f, 0.08f),

				//        IsAutoSizing = false,

				//        Text = "I AM IN THE BACK :(",

				//        TextColor = Color.Red,

				//        TextFont = Graphic.InfoFont,//new Font("Arial", 13),

				//        DepthLayer = 8,

				//      };

				//      uiScene.Add(backLabel);



				//    }

				//  });

			}

			#endregion

		}

	}

}