/*
	GWEN
	Copyright (c) 2010 Facepunch Studios
	See license in Gwen.h
*/

#pragma once
#ifndef GWEN_CONTROLS_DOCKBASE_H
#define GWEN_CONTROLS_DOCKBASE_H

#include "Gwen/Controls/Base.h"
#include "Gwen/Controls/Button.h"

namespace Gwen
{
namespace Controls
{
class DockedTabControl;
class TabControl;

class GWEN_EXPORT DockBase : public Base
{
public:
	GWEN_CONTROL(DockBase, Base);

	virtual void Render(Skin::Base* skin);
	virtual void RenderOver(Skin::Base* skin);
	virtual bool IsEmpty();

	virtual TabControl* GetTabControl();

	virtual DockBase* GetRight() { return GetChildDock(Pos::Right); }
	virtual DockBase* GetLeft() { return GetChildDock(Pos::Left); }
	virtual DockBase* GetTop() { return GetChildDock(Pos::Top); }
	virtual DockBase* GetBottom() { return GetChildDock(Pos::Bottom); }

	// No action on space (default button action is to press)
	virtual bool OnKeySpace(bool /*bDown*/) { return false; }

private:
	// Drag n Drop
	virtual bool DragAndDrop_HandleDrop(Gwen::DragAndDrop::Package* pPackage, int x, int y);
	virtual bool DragAndDrop_CanAcceptPackage(Gwen::DragAndDrop::Package* pPackage);
	virtual void DragAndDrop_HoverEnter(Gwen::DragAndDrop::Package* pPackage, int x, int y);
	virtual void DragAndDrop_HoverLeave(Gwen::DragAndDrop::Package* pPackage);
	virtual void DragAndDrop_Hover(Gwen::DragAndDrop::Package* pPackage, int x, int y);

	virtual void SetupChildDock(int iPos);

	virtual void DoRedundancyCheck();
	virtual void DoConsolidateCheck();
	virtual void OnRedundantChildDock(DockBase* pDockBase);

	virtual int GetDroppedTabDirection(int x, int y);
	virtual void OnTabRemoved(Gwen::Controls::Base* pControl);

	DockBase* GetChildDock(int iPos);
	DockBase** GetChildDockPtr(int iPos);

	DockBase* m_Left;
	DockBase* m_Right;
	DockBase* m_Top;
	DockBase* m_Bottom;

	// Only CHILD dockpanels have a tabcontrol.
	DockedTabControl* m_DockedTabControl;

	bool m_bDrawHover;
	bool m_bDropFar;
	Gwen::Rect m_HoverRect;
};
}  // namespace Controls
}  // namespace Gwen
#endif