/Scenes/UserInterfaces/Theme.cs

using System.IO;

using Delta.ContentSystem;

using Delta.Engine;

using Delta.Engine.Dynamic;

using Delta.Rendering.Basics.Fonts;

using Delta.Scenes.UserInterfaces.Designs;

using Delta.Utilities;

using Delta.Utilities.Datatypes;



namespace Delta.Scenes.UserInterfaces

{

	/// <summary>

	/// The theme class which describes the general look for all UI controls

	/// as long as a UI controls won't override its design by itself.

	/// </summary>

	public class Theme : BaseTheme

	{

		#region Constants

		/// <summary>

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

		/// </summary>

		private const int VersionNumber = 1;

		#endregion



		#region Current (Static)

		/// <summary>

		/// Current theme to be used by the currently active scene.

		/// </summary>

		public new static Theme Current

		{

			get

			{

				if (current != BaseTheme.Current)

				{

					current = BaseTheme.Current as Theme;

				} // if



				return current;

			} // get

			set

			{

				current = value;

				BaseTheme.Current = value;

			} // set

		}

		#endregion



		#region ImageDesign (Public)

		/// <summary>

		/// Image design

		/// </summary>

		public ControlDesign ImageDesign

		{

			get;

			set;

		}

		#endregion



		#region PanelDesign (Public)

		/// <summary>

		/// Panel design

		/// </summary>

		public ControlDesign PanelDesign

		{

			get;

			set;

		}

		#endregion



		#region LabelDesign (Public)

		/// <summary>

		/// Label design

		/// </summary>

		public TextControlDesign LabelDesign

		{

			get;

			set;

		}

		#endregion



		#region TextboxDesign (Public)

		/// <summary>

		/// Textbox design

		/// </summary>

		public TextControlDesign TextboxDesign

		{

			get;

			set;

		}

		#endregion



		#region ButtonDesign (Public)

		/// <summary>

		/// Button design

		/// </summary>

		public TextControlDesign ButtonDesign

		{

			get;

			set;

		}

		#endregion



		#region CheckboxDesign (Public)

		/// <summary>

		/// Checkbox design

		/// </summary>

		public CheckboxDesign CheckboxDesign

		{

			get;

			set;

		}

		#endregion



		#region RadioButtonDesign (Public)

		/// <summary>

		/// Radio button design

		/// </summary>

		public CheckboxDesign RadioButtonDesign

		{

			get;

			set;

		}

		#endregion



		#region SliderDesign (Public)

		/// <summary>

		/// Slider design

		/// </summary>

		public SliderDesign SliderDesign

		{

			get;

			set;

		}

		#endregion



		#region DropdownBoxDesign (Public)

		/// <summary>

		/// Dropdown box design

		/// </summary>

		public TODODropdownBoxDesign DropdownBoxDesign

		{

			get;

			set;

		}

		#endregion



		#region Private



		#region current (Private)

		/// <summary>

		/// Current

		/// </summary>

		private static Theme current;

		#endregion



		#endregion



		#region Constructors

		/// <summary>

		/// Create user interface style

		/// </summary>

		/// <param name="setThemeName">Name of the set theme.</param>

		public Theme(string setThemeName)

			: base(setThemeName)

		{

		}

		#endregion



		#region Save (Public)

		/// <summary>

		/// Save

		/// </summary>

		/// <param name="dataWriter">Data writer</param>

		public void Save(BinaryWriter dataWriter)

		{

			// At first we write the current version number of the class data format

			dataWriter.Write(VersionNumber);



			// then saving the properties

			DesignedResolution.Save(dataWriter);



			// Image design

			bool hasImageDesign = ImageDesign != null;

			dataWriter.Write(hasImageDesign);

			if (hasImageDesign)

			{

				Factory.Save(dataWriter, ImageDesign);

			} // if



			// Panel design

			bool hasPanelDesign = PanelDesign != null;

			dataWriter.Write(hasPanelDesign);

			if (hasPanelDesign)

			{

				Factory.Save(dataWriter, PanelDesign);

			} // if



			// Label design

			bool hasLabelDesign = LabelDesign != null;

			dataWriter.Write(hasLabelDesign);

			if (hasLabelDesign)

			{

				Factory.Save(dataWriter, LabelDesign);

			} // if



			// Text box design

			bool hasTextboxDesign = TextboxDesign != null;

			dataWriter.Write(hasTextboxDesign);

			if (hasTextboxDesign)

			{

				Factory.Save(dataWriter, TextboxDesign);

			} // if



			// Button design

			bool hasButtonDesign = ButtonDesign != null;

			dataWriter.Write(hasButtonDesign);

			if (hasButtonDesign)

			{

				Factory.Save(dataWriter, ButtonDesign);

			} // if



			// Check box design

			bool hasCheckboxDesign = CheckboxDesign != null;

			dataWriter.Write(hasCheckboxDesign);

			if (hasCheckboxDesign)

			{

				Factory.Save(dataWriter, CheckboxDesign);

			} // if



			// RadioButton design

			bool hasRadioButtonDesign = RadioButtonDesign != null;

			dataWriter.Write(hasRadioButtonDesign);

			if (hasRadioButtonDesign)

			{

				Factory.Save(dataWriter, RadioButtonDesign);

			} // if



			// Slider design

			bool hasSliderDesign = SliderDesign != null;

			dataWriter.Write(hasSliderDesign);

			if (hasSliderDesign)

			{

				Factory.Save(dataWriter, SliderDesign);

			} // if



			// Disabled until "DropdownBox" control is supported again

			//// DropdownBox design

			//bool hasDropdownBoxDesign = DropdownBoxDesign != null;

			//dataWriter.Write(hasDropdownBoxDesign);

			//if (hasDropdownBoxDesign)

			//{

			//  Factory.Save(dataWriter, DropdownBoxDesign);

			//} // if

		}

		#endregion



		#region Load (Public)

		/// <summary>

		/// Load

		/// </summary>

		/// <param name="data">Data</param>

		public virtual void Load(Stream data)

		{

			using (BinaryReader dataReader = new BinaryReader(data))

			{

				// At first check which version of the data need to load now

				int version = dataReader.ReadInt32();

				switch (version)

				{

					// Version 1

					case VersionNumber:

						DesignedResolution = new Size(dataReader);



						// Image design

						bool hasImageDesign = dataReader.ReadBoolean();

						ImageDesign = hasImageDesign

														? Factory.Load<ControlDesign>(dataReader)

														: null;



						// Panel design

						bool hasPanelDesign = dataReader.ReadBoolean();

						PanelDesign = hasPanelDesign

														? Factory.Load<ControlDesign>(dataReader)

														: null;



						// Label design

						bool hasLabelDesign = dataReader.ReadBoolean();

						LabelDesign = hasLabelDesign

														? Factory.Load<TextControlDesign>(dataReader)

														: null;



						// Text box design

						bool hasTextboxDesign = dataReader.ReadBoolean();

						TextboxDesign = hasTextboxDesign

															? Factory.Load<TextControlDesign>(dataReader)

															: null;



						// Button design

						bool hasButtonDesign = dataReader.ReadBoolean();

						ButtonDesign = hasButtonDesign

														? Factory.Load<TextControlDesign>(dataReader)

														: null;



						// Check box design

						bool hasCheckboxDesign = dataReader.ReadBoolean();

						CheckboxDesign = hasCheckboxDesign

															? Factory.Load<CheckboxDesign>(dataReader)

															: null;



						// RadioButton design

						bool hasRadioButtonDesign = dataReader.ReadBoolean();

						RadioButtonDesign = hasRadioButtonDesign

																	? Factory.Load<CheckboxDesign>(dataReader)

																	: null;



						// Slider design

						bool hasSliderDesign = dataReader.ReadBoolean();

						SliderDesign = hasSliderDesign

														? Factory.Load<SliderDesign>(dataReader)

														: null;



						// Disabled until "DropdownBox" control is supported again

						//// DropdownBox design

						//bool hasDropdownBoxDesign = dataReader.ReadBoolean();

						//if (hasDropdownBoxDesign)

						//{

						//  DropdownBoxDesign = Factory.Load<DropdownBoxDesign>(dataReader);

						//} // if

						//else

						//{

						//  DropdownBoxDesign = null;

						//} // else

						break;



					default:

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

						break;

				} // switch

			}

		}

		#endregion



		#region Methods (Private)



		#region LoadDefaultDesign

		/// <summary>

		/// Loads all designs of the default look for this theme.

		/// </summary>

		protected override void LoadDefaultDesign()

		{

			#region Image design

			ControlDesign defautImageDesign = new ControlDesign

			{

				Background = GetUIMaterial(EmptyName),

				DisabledBackground = GetUIMaterial(EmptyName,

					DefaultDisabledBlendColor),

			};

			#endregion



			#region Panel design

			ControlDesign defaultPanelDesign = new ControlDesign

			{

				// Empty theme...

			};

			#endregion



			#region Label design

			TextControlDesign defaultLabelDesign = new TextControlDesign

			{

				Background = null,

				Hover = null,

				TextFont = new Font(Font.Default, DefaultTextColor),

				TextBackground = GetUIMaterial("DefaultLabel"),

				TextHoverBackground = GetUIMaterial("DefaultLabel",

					DefaultHoverColor),

				DisabledBackground = null,

				DisabledTextFont = new Font(Font.Default, DefaultDisabledBlendColor),

				DisabledTextBackground = GetUIMaterial("DefaultLabel",

					DefaultDisabledBlendColor),

			};

			#endregion



			#region Textbox design

			TextControlDesign defaultTextboxDesgin = new TextControlDesign

			{

				Background = null,

				Hover = null,

				TextFont = new Font(Font.Default, DefaultTextColor),

				TextBackground = GetUIMaterial("DefaultLabel"),

				TextHoverBackground = GetUIMaterial("DefaultLabel",

					DefaultHoverColor),

				DisabledBackground = null,

				DisabledTextFont = new Font(Font.Default, DefaultDisabledBlendColor),

				DisabledTextBackground = GetUIMaterial("DefaultLabel",

					DefaultDisabledBlendColor),

			};

			#endregion



			#region Button design

			TextControlDesign defaultButtonDesign = new TextControlDesign

			{

				Background = GetUIMaterial("DefaultButtonBackground"),

				Hover = GetUIMaterial("DefaultButtonHover", DefaultHoverColor),

				TextFont = new Font(Font.Default, DefaultTextColor),

				Pressed = GetUIMaterial("DefaultButtonPressed", DefaultHoverColor),

				TextBackground = null,

				TextHoverBackground = null,

				DisabledBackground = GetUIMaterial("DefaultButtonBackground",

					DefaultDisabledBlendColor),

				DisabledTextFont = new Font(Font.Default, DefaultDisabledBlendColor),

				DisabledTextBackground = null,

			};

			#endregion



			#region Checkbox design

			CheckboxDesign defaultCheckboxDesign = new CheckboxDesign

			{

				// We don't use a "global" background (and hover design) here...

				//PressedDesign = null;



				Background = null,

				Hover = null,

				TextFont = new Font(Font.Default, DefaultTextColor),

				TextBackground = GetUIMaterial("DefaultLabel"),

				TextHoverBackground = GetUIMaterial("DefaultLabel",

					DefaultHoverColor),

				UncheckedSymbol = GetUIMaterial("DefaultCheckboxOff"),

				UncheckedSymbolHover = GetUIMaterial("DefaultCheckboxOff",

					Color.Gold),

				CheckedSymbol = GetUIMaterial("DefaultCheckboxOn"),

				CheckedSymbolHover = GetUIMaterial("DefaultCheckboxOn",

					DefaultHoverColor),

				DisabledBackground = null,

				DisabledTextFont = new Font(Font.Default, DefaultDisabledBlendColor),

				DisabledTextBackground = GetUIMaterial("DefaultLabel",

					DefaultDisabledBlendColor),

				DisabledUncheckedSymbol = GetUIMaterial("DefaultCheckboxOff",

					DefaultDisabledBlendColor),

				DisabledCheckedSymbol = GetUIMaterial("DefaultCheckboxOn",

					DefaultDisabledBlendColor),

			};

			#endregion



			#region RadioButton design

			CheckboxDesign defaultRadioButtonDesign = new CheckboxDesign

			{

				// We don't use a "global" background (and hover design) here...

				//PressedDesign = null;

				Background = null,

				Hover = null,

				TextFont = new Font(Font.Default, DefaultTextColor),

				TextBackground = GetUIMaterial("DefaultLabel"),

				TextHoverBackground = GetUIMaterial("DefaultLabel",

					DefaultHoverColor),

				UncheckedSymbol = GetUIMaterial("DefaultRadiobuttonOff"),

				CheckedSymbol = GetUIMaterial("DefaultRadioButtonOn"),

				DisabledBackground = null,

				DisabledTextFont = new Font(Font.Default, DefaultDisabledBlendColor),

				DisabledTextBackground = GetUIMaterial("DefaultLabel",

					DefaultDisabledBlendColor),

				DisabledUncheckedSymbol = GetUIMaterial("DefaultRadiobuttonOff",

					DefaultDisabledBlendColor),

				DisabledCheckedSymbol = GetUIMaterial("DefaultRadioButtonOn",

					DefaultDisabledBlendColor),

			};

			#endregion



			#region Slider design

			SliderDesign defaultSliderDesign = new SliderDesign

			{

				// Finally we normally don't need a background, because we have

				// the "TrackerbarDesign" instead for it (for the moment)

				Trackerbar = GetUIMaterial("DefaultSliderBackground"),

				Tracker = GetUIMaterial("DefaultSlider"),

				Hover = GetUIMaterial("DefaultSliderHover"),

				TextFont = new Font(Font.Default, DefaultTextColor),

				DisabledTrackerbar = GetUIMaterial("DefaultSliderBackground",

					DefaultDisabledBlendColor),

				DisabledTracker = GetUIMaterial("DefaultSlider",

					DefaultDisabledBlendColor),

				DisabledTextFont = new Font(Font.Default, DefaultDisabledBlendColor),

			};

			#endregion





			#region DropdownBox design

			TODODropdownBoxDesign defaultDropdownBoxDesign = new TODODropdownBoxDesign

			{

				// Finally we normally don't need a background, because we have

				// the "TrackerbarDesign" instead for it (for the moment)

				Expander = GetUIMaterial("DefaultDropDownBox"),

				ExpanderHover = GetUIMaterial("DefaultDropDownBox"),

				DisabledExpander = GetUIMaterial("DefaultDropDownBox",

					DefaultDisabledBlendColor),

			};

			#endregion



			//defaultTheme = new UserTheme("<DefaultTheme>")

			//{

			//  DesignedResolution = Settings.DefaultResolution,

			//  ImageDesign = defautImageDesign,

			//  PanelDesign = defaultPanelDesign,

			//  LabelDesign = defaultLabelDesign,

			//  TextboxDesign = defaultTextboxDesgin,

			//  ButtonDesign = defaultButtonDesign,

			//  CheckboxDesign = defaultCheckboxDesign,

			//  RadioButtonDesign = defaultRadioButtonDesign,

			//  SliderDesign = defaultSliderDesign,

			//  DropdownBoxDesign = defaultDropdownBoxDesign,

			//};



			DesignedResolution = Settings.DefaultResolution;

			ImageDesign = defautImageDesign;

			PanelDesign = defaultPanelDesign;

			LabelDesign = defaultLabelDesign;

			TextboxDesign = defaultTextboxDesgin;

			ButtonDesign = defaultButtonDesign;

			CheckboxDesign = defaultCheckboxDesign;

			RadioButtonDesign = defaultRadioButtonDesign;

			SliderDesign = defaultSliderDesign;

			DropdownBoxDesign = defaultDropdownBoxDesign;

		}

		#endregion



		#region Load

		/// <summary>

		/// Load

		/// </summary>

		/// <param name="alreadyLoadedNativeData">Already loaded native data

		/// </param>

		protected override void Load(Content alreadyLoadedNativeData)

		{

			// be done later

			//throw new NotImplementedException();

			return;

		}

		#endregion



		#endregion

	}

}