//
// This file is part of the aMule Project.
//
// Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
// Copyright (c) 2002 Merkur ( devs@emule-project.net / http://www.emule-project.net )
//
// 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 TRANSFERWND_H
#define TRANSFERWND_H

#include <wx/panel.h>	// Needed for wxPanel
#include <wx/notebook.h>	// needed for wxBookCtrlEvent in wx 2.8
#include "Types.h"		// Needed for uint32
#include "OtherStructs.h"

class CSourceListCtrl;
class CDownloadListCtrl;
class CMuleNotebook;
class wxListCtrl;
class wxSplitterEvent;
class wxCommandEvent;
class wxMouseEvent;
class wxEvent;
class wxMenu;

/**
 * This class takes care of managing the lists and other controls contained 
 * in the transfer-window. It's primary function is to manage the user-defined
 * categories.
 */
class CTransferWnd : public wxPanel
{
public:
	/**
	 * Constructor.
	 */
	CTransferWnd(wxWindow* pParent = NULL);
	
	/**
	 * Destructor.
	 */
	~CTransferWnd();
	

	/**
	 * Adds the specified category to the end of the list.
	 *
	 * @param category A pointer to the new category.
	 *
	 * This function should be called after a category has been 
	 * added to the lists of categories. The new category is assumed
	 * to be the last, and thus will be appended to the end of the tabs
	 * on the category-notebook.
	 */
	void AddCategory( Category_Struct* category );
	
	/**
	 * Updates the title of the specified category.
	 *
	 * @param index The index of the category on the notebook. -1 will update all categories.
	 */
	void UpdateCategory(int index);

	/**
	 * Remove category
	 */
	void RemoveCategory(int index);
	void RemoveCategoryPage(int index);

	/**
	 * Helper-function which updates the displayed titles of all existing categories.
	 */
	void	UpdateCatTabTitles() { UpdateCategory(-1); }

	
	/**
	 * Call this function before displaying the dialog.
	 *
	 * This functions does a few tasks to ensure that the dialog is looking the right way.
	 */
	void	Prepare();

	//! Pointer to the download-queue.
	CDownloadListCtrl*	downloadlistctrl;
	//! Pointer to the list of clients.
	CSourceListCtrl*	clientlistctrl;
	
private:
	//! Contains the current (or last if the clientlist is hidden) position of the splitter.
	int m_splitter;
	//! Minimum position of splitter bar
	static const int s_splitterMin = 90;

	/**
	 * Event-handler for the set status by category menu-item.
	 */
	void OnSetCatStatus( wxCommandEvent& event );

	/**
	 * Event-handler for the set priority by category menu-item.
	 */
	void OnSetCatPriority( wxCommandEvent& event );

	/**
	 * Event-handler for the "Add Category" menu-item.
	 */
	void OnAddCategory( wxCommandEvent& event );

	/**
	 * Event-handler for the "Delete Category" menu-item.
	 */
	void OnDelCategory( wxCommandEvent& event );

	/**
	 * Event-handler for the "Edit Category" menu-item.
	 */
	void OnEditCategory( wxCommandEvent& event );

	/**
	 * Event-handler for manipulating the default category.
	 */
	void OnSetDefaultCat( wxCommandEvent& event );

	/**
	 * Event-handler for the "Clear Completed" button.
	 */
	void OnBtnClearDownloads(wxCommandEvent &evt);

	/**
	 * Event-handler for changing categories.
	 */
	void OnCategoryChanged(wxBookCtrlEvent& evt);
	
	/**
	 * Event-handler for displaying the category-popup menu.
	 */
	void OnNMRclickDLtab(wxMouseEvent& evt);

	/**
	 * Event-handler for the list-toggle button.
	 */
	void OnToggleClientList( wxCommandEvent& event );
    
	/**
	 * Event-handler for changes in the sash divider position.
	 */
	void OnSashPositionChanging(wxSplitterEvent& evt);


	//! Variable used to ensure that the category menu doesn't get displayed twice.
	wxMenu* m_menu;

	//! Pointer to the category tabs.
	CMuleNotebook* m_dlTab;


	DECLARE_EVENT_TABLE()
};

#endif

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