/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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 3 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, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#include "max.h"
#include "utilapi.h"
#include "notify.h"

class plMaxNode;
class plComponentBase;

class plComponentUtil : public UtilityObj
{
protected:
    friend class plComponentDlg;
    
    Interface *fInterface;
    HWND fhPanel;
    plComponentBase* fCurComponent;
    // Used to try and load the last displayed component on reload, just for pointer compares
    plComponentBase* fLastComponent;

    plComponentUtil();

public:
    static plComponentUtil& Instance();

    void BeginEditParams(Interface *ip, IUtil *iu);
    void EndEditParams(Interface *ip, IUtil *iu);
    void SelectionSetChanged(Interface *ip, IUtil *iu);
    void DeleteThis() {};

    static BOOL CALLBACK ForwardDlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam);
    BOOL DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam);

    bool IsOpen() { return (fhPanel != NULL); }

protected:
    void IUpdateRollups();
    void IAddRollups(plComponentBase* comp);
    void IDestroyRollups();

    void INextTarget(bool forward);

    plComponentBase *IGetListSelection();
    void IDeleteListSelection();
    int IFindListItem(plComponentBase* comp);

    void IShowRefdBy();

    // plComponentDlg is about to delete this comp, get rid of it's interface
    void IComponentPreDelete(plComponentBase* comp);
    // To syncronize with plComponentDlg when a name is changed
    void IUpdateNodeName(plMaxNode *node);
};