File indexing completed on 2024-05-12 15:53:55 

0001 /**
0002  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
0003  *
0004  * This file is part of the KD Chart library.
0005  *
0006  * This program is free software; you can redistribute it and/or
0007  * modify it under the terms of the GNU General Public License as
0008  * published by the Free Software Foundation; either version 2 of
0009  * the License, or (at your option) any later version.
0010  *
0011  * This program is distributed in the hope that it will be useful,
0012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014  * GNU General Public License for more details.
0015  *
0016  * You should have received a copy of the GNU General Public License
0017  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
0018  */
0019 
0020 #include "ModelParamVsParam.h"
0021 
0022 
0023 ModelParamVsParam::ModelParamVsParam(
0024     QObject                 *p_parent)
0025 :
0026     QStandardItemModel(p_parent)
0027 {
0028     connect(&m_timer, SIGNAL(timeout()), SLOT(timeout()));
0029     //m_timer.setSingleShot(true);
0030     m_timer.setInterval(2000);
0031 } // ModelParamVsParam::ModelParamVsParam()
0032 
0033 
0034 void ModelParamVsParam::setTimeout(
0035     int                 p_timeout)
0036 {
0037     m_timer.setInterval(p_timeout * 1000);
0038 } // ModelParamVsParam::setTimeout()
0039 
0040 
0041 void ModelParamVsParam::startSampling()
0042 {
0043     m_timer.start();
0044 } // ModelParamVsParam::startSampling()
0045 
0046 
0047 void ModelParamVsParam::stopSampling()
0048 {
0049     m_timer.stop();
0050 } // ModelParamVsParam::stopSampling()
0051 
0052 
0053 void ModelParamVsParam::populate(
0054     int                 p_nrOfParameters,
0055     int                 p_nrOfSamples)
0056 {
0057     m_timer.stop();
0058 
0059     setColumnCount(p_nrOfParameters);
0060     setRowCount(p_nrOfSamples);
0061     timeout();
0062 
0063     m_timer.start();
0064 } // ModelParamVsParam::populate()
0065 
0066 
0067 void ModelParamVsParam::timeout()
0068 {
0069     blockSignals(true);
0070 
0071     for (int r = 0; r < rowCount(); r++)
0072         for (int c = 0; c < columnCount(); c++)
0073         {
0074             // First column values in range 0..10, second column in range 10..20 etc.
0075             qreal   offset(c * 10);
0076             qreal   value(offset + (10.0 * rand()) / RAND_MAX);
0077             setData(index(r, c), value);
0078         }
0079 
0080     blockSignals(false);
0081 
0082     QModelIndex topLeft(index(0, 0));
0083     QModelIndex bottomRight(index(rowCount() - 1, columnCount() - 1));
0084     Q_EMIT dataChanged(topLeft, bottomRight);
0085 } // ModelParamVsParam::timeout()