backend/datasources/AbstractDataSource.cpp

0001 /***************************************************************************
0002 File            : AbstractDataSource.cpp
0003 Project         : LabPlot
0004 Description     : Abstract interface for data sources
0005 --------------------------------------------------------------------
0006 Copyright       : (C) 2009-2017 Alexander Semke (alexander.semke@web.de)
0007 Copyright       : (C) 2015 Stefan Gerlach (stefan.gerlach@uni.kn)
0008 ***************************************************************************/
0009
0010 /***************************************************************************
0011 *                                                                         *
0012 *  This program is free software; you can redistribute it and/or modify   *
0013 *  it under the terms of the GNU General Public License as published by   *
0014 *  the Free Software Foundation; either version 2 of the License, or      *
0015 *  (at your option) any later version.                                    *
0016 *                                                                         *
0017 *  This program is distributed in the hope that it will be useful,        *
0018 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
0019 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
0020 *  GNU General Public License for more details.                           *
0021 *                                                                         *
0022 *   You should have received a copy of the GNU General Public License     *
0023 *   along with this program; if not, write to the Free Software           *
0024 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
0025 *   Boston, MA  02110-1301  USA                                           *
0026 *                                                                         *
0027 ***************************************************************************/
0028 #include "AbstractDataSource.h"
0029 #include "backend/core/column/Column.h"
0030 #include "backend/spreadsheet/Spreadsheet.h"
0031 #include "backend/matrix/Matrix.h"
0032
0033 /*!
0034 \class AbstractDataSource
0035 \brief Interface for the data sources.
0036
0037 \ingroup datasources
0038 */
0039
0040 AbstractDataSource::AbstractDataSource(const QString& name, AspectType type)
0041     : AbstractPart(name, type) {
0042 }
0043
0044 void AbstractDataSource::clear() {
0045     int columns = childCount<Column>();
0046     for (int i = 0; i < columns; ++i) {
0047         child<Column>(i)->setUndoAware(false);
0048         child<Column>(i)->setSuppressDataChangedSignal(true);
0049         child<Column>(i)->clear();
0050         child<Column>(i)->setUndoAware(true);
0051         child<Column>(i)->setSuppressDataChangedSignal(false);
0052         child<Column>(i)->setChanged();
0053     }
0054 }