/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020 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 PCB_VIEWER_TOOLS_H_
#define PCB_VIEWER_TOOLS_H_

#include <class_board.h>
#include <tool/tool_interactive.h>

class PCB_BASE_FRAME;

/**
 * PCB_VIEWER_TOOLS
 *
 * Tools useful for viewing footprints.
 * This tool is designed to be lighter-weight so that it doesn't
 * bring in as many pcbnew dependencies (since it is used in cvpcb).
 */
class PCB_VIEWER_TOOLS : public TOOL_INTERACTIVE
{
public:
    PCB_VIEWER_TOOLS() :
        TOOL_INTERACTIVE( "pcbnew.PCBViewerTools" ),
        m_footprintFrame( false )
    {}

    ~PCB_VIEWER_TOOLS() override {}

    bool Init() override;

    /// @copydoc TOOL_BASE::Reset()
    void Reset( RESET_REASON aReason ) override;

    ///> Launches a tool to measure between points
    int MeasureTool( const TOOL_EVENT& aEvent );

    // Display modes
    int ShowPadNumbers( const TOOL_EVENT& aEvent );
    int PadDisplayMode( const TOOL_EVENT& aEvent );
    int GraphicOutlines( const TOOL_EVENT& aEvent );
    int TextOutlines( const TOOL_EVENT& aEvent );
    int ZoomAutomatically( const TOOL_EVENT& aEvent );

    /// Show the 3D viewer
    int Show3DViewer( const TOOL_EVENT& aEvent );

    ///> Sets up handlers for various events.
    void setTransitions() override;

    /**
     * Toggles edit module mode. When enabled, one may select parts of footprints individually
     * (graphics, pads, etc.), so they can be modified.
     * @param aEnabled decides if the mode should be enabled.
     */
    void SetFootprintFrame( bool aIsFrame )
    {
        m_footprintFrame = aIsFrame;
    }

    bool IsFootprintFrame() const
    {
        return m_footprintFrame;
    }

protected:
    bool m_footprintFrame;  ///< Is this tool associated with a footprint frame

    PCB_BASE_FRAME* frame() const
    {
        return getEditFrame<PCB_BASE_FRAME>();
    }

    KIGFX::PCB_VIEW* view() const
    {
        return static_cast<KIGFX::PCB_VIEW*>( getView() );
    }

    const PCB_DISPLAY_OPTIONS& displayOptions() const
    {
        return frame()->GetDisplayOptions();
    }

    PCB_DRAW_PANEL_GAL* canvas() const
    {
        return static_cast<PCB_DRAW_PANEL_GAL*>( frame()->GetCanvas() );
    }

    BOARD* board() const
    {
        return getModel<BOARD>();
    }

    MODULE* module() const
    {
        return board()->GetFirstModule();
    }
};

#endif