/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
 * Copyright (C) 2004-2019 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */


#ifndef HIERARCH_H
#define HIERARCH_H

#include <dialog_shim.h>
#include <wx/imaglist.h>
#include <wx/treectrl.h>

// The window name of the hierarchy navigator, used to find it
#define HIERARCHY_NAVIG_DLG_WNAME "hierarchy_navig_dlg"

class SCH_EDIT_FRAME;
class SCH_SHEET_PATH;

class HIERARCHY_NAVIG_DLG;

/**
 * Handle hierarchy tree control.
 */
class HIERARCHY_TREE : public wxTreeCtrl
{
private:
    HIERARCHY_NAVIG_DLG* m_parent;
    wxImageList*         imageList;

public:
    HIERARCHY_TREE( HIERARCHY_NAVIG_DLG* parent );

    // Closes the dialog on escape key
    void onChar( wxKeyEvent& event );
};

class HIERARCHY_NAVIG_DLG : public DIALOG_SHIM
{
private:
    SCH_SHEET_PATH  m_currSheet;
    SCH_SHEET_PATH  m_list;
    SCH_EDIT_FRAME* m_SchFrameEditor;
    HIERARCHY_TREE* m_Tree;
    int             m_nbsheets;

public:
    HIERARCHY_NAVIG_DLG( SCH_EDIT_FRAME* aParent );

    ~HIERARCHY_NAVIG_DLG();

    void OnCloseNav( wxCloseEvent& event );

    /**
     * Update the hierarchical tree of the schematic.
     */
    void UpdateHierarchyTree();

private:
    /**
     * Create the hierarchical tree of the schematic.
     *
     * This routine is reentrant!
     * @param aList = the SCH_SHEET_PATH* list to explore
     * @param aPreviousmenu = the wxTreeItemId used as parent to add sub items
     */
    void buildHierarchyTree( SCH_SHEET_PATH* aList, wxTreeItemId* aPreviousmenu );

    /**
     * Open the selected sheet and display the corresponding screen when a tree item is
     * selected.
     */
    void onSelectSheetPath( wxTreeEvent& event );
};

#endif // HIERARCH_H