// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

#pragma once

#include "IGUIStaticText.h"
#include "irrArray.h"

namespace irr
{
namespace gui
{
	class CGUIStaticText : public IGUIStaticText
	{
	public:

		//! constructor
		CGUIStaticText(const wchar_t* text, bool border, IGUIEnvironment* environment,
			IGUIElement* parent, s32 id, const core::rect<s32>& rectangle,
			bool background = false);

		//! destructor
		virtual ~CGUIStaticText();

		//! draws the element and its children
		void draw() override;

		//! Sets another skin independent font.
		void setOverrideFont(IGUIFont* font=0) override;

		//! Gets the override font (if any)
		IGUIFont* getOverrideFont() const override;

		//! Get the font which is used right now for drawing
		IGUIFont* getActiveFont() const override;

		//! Sets another color for the text.
		void setOverrideColor(video::SColor color) override;

		//! Sets another color for the background.
		void setBackgroundColor(video::SColor color) override;

		//! Sets whether to draw the background
		void setDrawBackground(bool draw) override;

		//! Gets the background color
		video::SColor getBackgroundColor() const override;

		//! Checks if background drawing is enabled
		bool isDrawBackgroundEnabled() const override;

		//! Sets whether to draw the border
		void setDrawBorder(bool draw) override;

		//! Checks if border drawing is enabled
		bool isDrawBorderEnabled() const override;

		//! Sets alignment mode for text
		void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) override;

		//! Gets the override color
		video::SColor getOverrideColor() const override;

		//! Gets the currently used text color
		video::SColor getActiveColor() const override;

		//! Sets if the static text should use the override color or the
		//! color in the gui skin.
		void enableOverrideColor(bool enable) override;

		//! Checks if an override color is enabled
		bool isOverrideColorEnabled() const override;

		//! Set whether the text in this label should be clipped if it goes outside bounds
		void setTextRestrainedInside(bool restrainedInside) override;

		//! Checks if the text in this label should be clipped if it goes outside bounds
		bool isTextRestrainedInside() const override;

		//! Enables or disables word wrap for using the static text as
		//! multiline text control.
		void setWordWrap(bool enable) override;

		//! Checks if word wrap is enabled
		bool isWordWrapEnabled() const override;

		//! Sets the new caption of this element.
		void setText(const wchar_t* text) override;

		//! Returns the height of the text in pixels when it is drawn.
		s32 getTextHeight() const override;

		//! Returns the width of the current text, in the current font
		s32 getTextWidth() const override;

		//! Updates the absolute position, splits text if word wrap is enabled
		void updateAbsolutePosition() override;

		//! Set whether the string should be interpreted as right-to-left (RTL) text
		/** \note This component does not implement the Unicode bidi standard, the
		text of the component should be already RTL if you call this. The
		main difference when RTL is enabled is that the linebreaks for multiline
		elements are performed starting from the end.
		*/
		void setRightToLeft(bool rtl) override;

		//! Checks if the text should be interpreted as right-to-left text
		bool isRightToLeft() const override;

	private:

		//! Breaks the single text line.
		void breakText();

		EGUI_ALIGNMENT HAlign, VAlign;
		bool Border;
		bool OverrideColorEnabled;
		bool OverrideBGColorEnabled;
		bool WordWrap;
		bool Background;
		bool RestrainTextInside;
		bool RightToLeft;

		video::SColor OverrideColor, BGColor;
		gui::IGUIFont* OverrideFont;
		gui::IGUIFont* LastBreakFont; // stored because: if skin changes, line break must be recalculated.

		core::array< core::stringw > BrokenText;
	};

} // end namespace gui
} // end namespace irr
