// This file is part of VSTGUI. It is subject to the license terms
// in the LICENSE file found in the top-level directory of this
// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE

#pragma once

#include "../uidescription.h"

#if VSTGUI_LIVE_EDITING

#include "uiselection.h"
#include "uiundomanager.h"
#include "iaction.h"
#include "../delegationcontroller.h"
#include "../uidescriptionlistener.h"
#include "../../lib/cdatabrowser.h"
#include "../../lib/dispatchlist.h"
#include "../../lib/genericstringlistdatabrowsersource.h"
#include "../../lib/iviewlistener.h"
#include <vector>
#include <list>

namespace VSTGUI {
class UIViewListDataSource;

//----------------------------------------------------------------------------------------------------
class IUITemplateControllerListener
{
public:
	virtual ~IUITemplateControllerListener () noexcept = default;
	
	virtual void onTemplateSelectionChanged () = 0;
};

//----------------------------------------------------------------------------------------------------
class UITemplateController
: public NonAtomicReferenceCounted,
  public DelegationController,
  public IContextMenuController2,
  public GenericStringListDataBrowserSourceSelectionChanged,
  public UIDescriptionListenerAdapter,
  public ViewListenerAdapter,
  public ListenerProvider<UITemplateController, IUITemplateControllerListener>
{
public:
	UITemplateController (IController* baseController, UIDescription* description, UISelection* selection, UIUndoManager* undoManager, IActionPerformer* actionPerformer);
	~UITemplateController () override;

	const UTF8String* getSelectedTemplateName () const { return selectedTemplateName; }

	void selectTemplate (UTF8StringPtr name);
	void setTemplateView (CViewContainer* view);
	void navigateTo (CView* view);
	
	static void setupDataBrowser (CDataBrowser* orignalBrowser, CDataBrowser* dataBrowser);
protected:
	void onUIDescTemplateChanged (UIDescription* desc) override;
	void valueChanged (CControl* pControl) override {}
	CView* createView (const UIAttributes& attributes, const IUIDescription* description) override;
	CView* verifyView (CView* view, const UIAttributes& attributes, const IUIDescription* description) override;
	IController* createSubController (UTF8StringPtr name, const IUIDescription* description) override;

	void dbSelectionChanged (int32_t selectedRow, GenericStringListDataBrowserSource* source) override;

	void appendContextMenuItems (COptionMenu& contextMenu, CView* view, const CPoint& where) override;
	void viewWillDelete (CView* view) override;

	SharedPointer<UIDescription> editDescription;
	SharedPointer<UISelection> selection;
	SharedPointer<UIUndoManager> undoManager;
	IActionPerformer* actionPerformer;
	CViewContainer* templateView;
	CDataBrowser* templateDataBrowser;
	UIViewListDataSource* mainViewDataSource;
	GenericStringListDataBrowserSource::StringVector templateNames;
	const UTF8String* selectedTemplateName;
};

} // VSTGUI

#endif // VSTGUI_LIVE_EDITING