/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#pragma once

#include <table/tabletypes.hxx>

#include <salhelper/simplereferenceobject.hxx>

class MouseEvent;


namespace svt::table
{


    class ITableControl;


    //= FunctionResult

    enum FunctionResult
    {
        ActivateFunction,
        ContinueFunction,
        DeactivateFunction,

        SkipFunction
    };


    //= MouseFunction

    class MouseFunction : public ::salhelper::SimpleReferenceObject
    {
    public:
        MouseFunction() {}
        MouseFunction(const MouseFunction&) = delete;
        MouseFunction& operator=(const MouseFunction&) = delete;
        virtual FunctionResult  handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event ) = 0;
        virtual FunctionResult  handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) = 0;
        virtual FunctionResult  handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) = 0;

    protected:
        virtual ~MouseFunction() override { }
    };


    //= ColumnResize

    class ColumnResize : public MouseFunction
    {
    public:
        ColumnResize()
            :m_nResizingColumn( COL_INVALID )
        {
        }

    public:
        // MouseFunction
        virtual FunctionResult  handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event ) override;
        virtual FunctionResult  handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) override;
        virtual FunctionResult  handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) override;

    private:
        ColPos  m_nResizingColumn;
    };


    //= RowSelection

    class RowSelection : public MouseFunction
    {
    public:
        RowSelection()
            :m_bActive( false )
        {
        }

    public:
        // MouseFunction
        virtual FunctionResult  handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event ) override;
        virtual FunctionResult  handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) override;
        virtual FunctionResult  handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) override;

    private:
        bool    m_bActive;
    };


    //= ColumnSortHandler

    class ColumnSortHandler : public MouseFunction
    {
    public:
        ColumnSortHandler()
            :m_nActiveColumn( COL_INVALID )
        {
        }

    public:
        // MouseFunction
        virtual FunctionResult  handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event ) override;
        virtual FunctionResult  handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) override;
        virtual FunctionResult  handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) override;

    private:
        ColPos  m_nActiveColumn;
    };


} // namespace svt::table



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