//
// This file is part of the aMule Project.
//
// Copyright (c) 2003-2006 aMule Team ( admin@amule.org / http://www.amule.org )
// Copyright (c) 2002 quekky
//
// Any parts of this program derived from the xMule, lMule or eMule project,
// or contributed by third-party developers are copyrighted by their
// respective authors.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
//

#ifndef CATDIALOG_H
#define CATDIALOG_H

#include <wx/dialog.h>		// Needed for wxDialog
#include "Types.h"		// Needed for uint32


class Category_Struct;
class wxStaticBitmap;
class wxBitmap;
class wxColour;


/**
 * This dialog takes of displaying either existing or new categories, so that
 * the user can add or change them.
 *
 * It is a self-contained entity, and does not rely on the categories staying
 * the same while the dialog is visble, though it will overwrite any changes 
 * made to the selected category in the mean time. Also, if the selected category 
 * has been deleted then it will simply be readded.
 *
 * It does however rely on the Transferwnd keeping its own list of categories up-
 * to-date.
 */
class CCatDialog : public wxDialog
{
public:
	/**
	 * Constructor.
	 *
	 * @param parent The parent of the new dialog.
	 * @param catindex The category to be edited.
	 *
	 * The parameter catindex can be a valid index, in which case that category
	 * will be selected, or it can be less than zero, in which case a new 
	 * category will be created.
	 */
	CCatDialog(wxWindow* parent, bool allowbrowse, int catindex = -1 );
	
	/**
	 * Destructor.
	 */
	~CCatDialog();
	
private:
	/**
	 * Helper function for making the color-preview.
	 *
	 * @param colour The color with which to fill the bitmap.
	 *
	 * This function creates a single-color 16x16 image, using the
	 * specified colour.
	 */
	wxBitmap MakeBitmap( wxColour colour );


	//! Variable used to store the user-selected color.
	uint32			m_color;

	//! Pointer to category to be edited or NULL if we are adding a new category.
	Category_Struct*	m_category;


	/**
	 * Event-handler for selecting incomming dir.
	 */
	void OnBnClickedBrowse(wxCommandEvent& evt);

	/**
	 * Event-handler for saving the changes.
	 */
	void OnBnClickedOk(wxCommandEvent& evt);

	/**
	 * Event-handler for selecting category color.
	 */
	void OnBnClickColor(wxCommandEvent& evt);
	
	DECLARE_EVENT_TABLE()
};

#endif