/*
 * magicwandtool.cpp
 * Copyright 2009-2010, Jeff Bland <jksb@member.fsf.org>
 * Copyright 2010, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
 * Copyright 2010, Jared Adams <jaxad0127@gmail.com>
 * Copyright 2011, Stefan Beller <stefanbeller@googlemail.com>
 *
 * This file is part of Tiled.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include "magicwandtool.h"

#include "tilepainter.h"

using namespace Tiled;

MagicWandTool::MagicWandTool(QObject *parent)
    : AbstractTileSelectionTool("MagicWandTool",
                                tr("Magic Wand"),
                                QIcon(QLatin1String(
                                      ":images/22/stock-tool-fuzzy-select-22.png")),
                                QKeySequence(Qt::Key_W),
                                parent)
{
}

void MagicWandTool::tilePositionChanged(QPoint tilePos)
{
    // Make sure that a tile layer is selected
    TileLayer *tileLayer = currentTileLayer();
    if (!tileLayer)
        return;

    // Reset the list when the left mouse button isn't pressed
    if (!mMouseDown)
        mMatchCells.clear();

    TilePainter tilePainter(mapDocument(), tileLayer);

    const Cell targetCell = tilePainter.cellAt(tilePos);
    if (!mMatchCells.contains(targetCell))
        mMatchCells.append(targetCell);

    const auto condition = [&](const Cell &cell) {
        return mMatchCells.contains(cell);
    };

    setSelectionPreview(tilePainter.computeFillRegion(tilePos, condition));
}

void MagicWandTool::languageChanged()
{
    setName(tr("Magic Wand"));

    AbstractTileSelectionTool::languageChanged();
}

#include "moc_magicwandtool.cpp"
