/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */

/*

 * 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 .

 */

#include <controls/table/TableFunctionSet.hxx>

#include <controls/table/TableControl.hxx>

namespace svt::table

{

TableFunctionSet::TableFunctionSet(TableControl& rTableControl)

    : m_rTableControl(rTableControl)

    , m_nCurrentRow(ROW_INVALID)

{

}

TableFunctionSet::~TableFunctionSet() {}

void TableFunctionSet::BeginDrag() {}

void TableFunctionSet::CreateAnchor() { m_rTableControl.setAnchor(m_rTableControl.getCurRow()); }

void TableFunctionSet::DestroyAnchor() { m_rTableControl.setAnchor(ROW_INVALID); }

void TableFunctionSet::SetCursorAtPoint(const Point& rPoint, bool bDontSelectAtCursor)

{

    // newRow is the row which includes the point, getCurRow() is the last selected row, before the mouse click

    sal_Int32 newRow = m_rTableControl.getRowAtPoint(rPoint);

    if (newRow == ROW_COL_HEADERS)

        newRow = m_rTableControl.getTopRow();

    sal_Int32 newCol = m_rTableControl.getColAtPoint(rPoint);

    if (newCol == COL_ROW_HEADERS)

        newCol = m_rTableControl.getLeftColumn();

    if ((newRow == ROW_INVALID) || (newCol == COL_INVALID))

        return;

    if (bDontSelectAtCursor)

    {

        if (m_rTableControl.GetSelectedRowCount() > 1)

            m_rTableControl.getSelEngine()->AddAlways(true);

    }

    else if (m_rTableControl.getAnchor() == m_rTableControl.getCurRow())

    {

        //selected region lies above the last selection

        if (m_rTableControl.getCurRow() >= newRow)

        {

            //put selected rows in vector

            while (m_rTableControl.getAnchor() >= newRow)

            {

                m_rTableControl.markRowAsSelected(m_rTableControl.getAnchor());

                m_rTableControl.setAnchor(m_rTableControl.getAnchor() - 1);

            }

            m_rTableControl.setAnchor(m_rTableControl.getAnchor() + 1);

        }

        //selected region lies beneath the last selected row

        else

        {

            while (m_rTableControl.getAnchor() <= newRow)

            {

                m_rTableControl.markRowAsSelected(m_rTableControl.getAnchor());

                m_rTableControl.setAnchor(m_rTableControl.getAnchor() + 1);

            }

            m_rTableControl.setAnchor(m_rTableControl.getAnchor() - 1);

        }

        m_rTableControl.invalidateSelectedRegion(m_rTableControl.getCurRow(), newRow);

    }

    //no region selected

    else

    {

        if (!m_rTableControl.hasRowSelection())

            m_rTableControl.markRowAsSelected(newRow);

        else

        {

            if (m_rTableControl.getSelEngine()->GetSelectionMode() == SelectionMode::Single)

            {

                DeselectAll();

                m_rTableControl.markRowAsSelected(newRow);

            }

            else

            {

                m_rTableControl.markRowAsSelected(newRow);

            }

        }

        if (m_rTableControl.GetSelectedRowCount() > 1

            && m_rTableControl.getSelEngine()->GetSelectionMode() != SelectionMode::Single)

            m_rTableControl.getSelEngine()->AddAlways(true);

        m_rTableControl.invalidateRow(newRow);

    }

    m_rTableControl.GoToCell(newCol, newRow);

}

bool TableFunctionSet::IsSelectionAtPoint(const Point& rPoint)

{

    m_rTableControl.getSelEngine()->AddAlways(false);

    if (!m_rTableControl.hasRowSelection())

        return false;

    else

    {

        sal_Int32 curRow = m_rTableControl.getRowAtPoint(rPoint);

        m_rTableControl.setAnchor(ROW_INVALID);

        bool selected = m_rTableControl.IsRowSelected(curRow);

        m_nCurrentRow = curRow;

        return selected;

    }

}

void TableFunctionSet::DeselectAtPoint(const Point&)

{

    m_rTableControl.invalidateRow(m_nCurrentRow);

    m_rTableControl.markRowAsDeselected(m_nCurrentRow);

}

void TableFunctionSet::DeselectAll()

{

    if (m_rTableControl.hasRowSelection())

    {

        for (size_t i = 0; i < m_rTableControl.GetSelectedRowCount(); ++i)

        {

            sal_Int32 const rowIndex = m_rTableControl.GetSelectedRowIndex(i);

            m_rTableControl.invalidateRow(rowIndex);

        }

        m_rTableControl.markAllRowsAsDeselected();

    }

}

} // namespace svt::table

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