/*==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==*/
#ifndef PL_COMPMTLDLG_H
#define PL_COMPMTLDLG_H

#define NSUBMTLS 3

class plCompositeMtlDlg : public ParamDlg
{
    
protected:
    IParamBlock2 *fPBlock;

    HWND fhMtlEdit;     // Window handle of the materials editor dialog
    HWND fhRollup;      // Our rollup panel
    IMtlParams *ip;
    plCompositeMtl *fMtl;       // current mtl being edited.
    TimeValue curTime;
    int isActive;
    BOOL valid;
//  int offset;

    ICustButton *fLayerBtns[NSUBMTLS];

    MtlDADMgr fDADMgr;  // For drag-drop sub-materials
public:
    // Constructor and destructor
    plCompositeMtlDlg(HWND hwMtlEdit, IMtlParams *imp, plCompositeMtl *m); 
    ~plCompositeMtlDlg();

    // Functions inherited from ParamDLg:
    Class_ID ClassID()                  { return COMP_MTL_CLASS_ID;  }
    void SetThing(ReferenceTarget *m);
    ReferenceTarget* GetThing()         { return (ReferenceTarget*)fMtl; }
    void SetTime(TimeValue t);
    void ReloadDialog();
    void ActivateDlg(BOOL onOff);
    void DeleteThis()                   { delete this;  }   
    int FindSubMtlFromHWND(HWND hw);

    static BOOL CALLBACK ForwardProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam);
    BOOL LayerPanelProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);

    void UpdateLayerDisplay();
    void LoadDialog();
/*
    // Lower-level crap
    void Invalidate();              // Called by ParamMtl
    BOOL IsActive()                     { return isActive; }

private:
    void ClampOffset();
    void SetNumMats();

    void UpdateLayers();
    void UpdateControlFor(int np);
    void VScroll(int code, short int cpos );
*/
protected:
    void IUpdateMtlDisplay() { if (ip) ip->MtlChanged(); }
};

#endif