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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "customtablemodel.h"
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#include <QVector>
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#include <QTime>
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CustomTableModel::CustomTableModel(QObject *parent) :
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QAbstractTableModel(parent)
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{
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// m_points.append(QPointF(10, 50));
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// m_labels.append("Apples");
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// m_points.append(QPointF(60, 70));
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// m_labels.append("Oranges");
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// m_points.append(QPointF(110, 50));
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// m_labels.append("Bananas");
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// m_points.append(QPointF(140, 40));
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// m_labels.append("Lemons");
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// m_points.append(QPointF(200, 150));
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// m_labels.append("Plums");
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// m_points.append(QPointF(225, 75));
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// m_labels.append("Pearls");
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qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
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// m_data
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for (int i = 0; i < 6; i++)
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{
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QVector<qreal>* dataVec = new QVector<qreal>(6);
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QVector<QColor>* colorVec = new QVector<QColor>(6);
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for (int k = 0; k < dataVec->size(); k++)
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{
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if (k%2 == 0)
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dataVec->replace(k, i * 50 + qrand()%20);
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else
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dataVec->replace(k, qrand()%100);
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colorVec->replace(k, QColor(Qt::white));
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}
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m_data.append(dataVec);
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m_labels.append(QString("Row: %1").arg((i + 1)));
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m_rowsColors.append(colorVec);
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}
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}
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int CustomTableModel::rowCount(const QModelIndex & parent) const
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{
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Q_UNUSED(parent)
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// return m_points.count();
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return m_data.count();
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}
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int CustomTableModel::columnCount(const QModelIndex & parent) const
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{
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Q_UNUSED(parent)
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// return 3;
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return 6;
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}
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QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
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{
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if (role != Qt::DisplayRole)
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return QVariant();
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if (orientation == Qt::Horizontal)
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{
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switch(section)
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{
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// case 0:
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// return "x";
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// case 1:
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// return "y";
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// case 2:
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case 6:
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return "Fruit";
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default:
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if (section%2 == 0)
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return "x";
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else
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return "y";
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// return "What?";
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}
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}
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else
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return QString("%1").arg(section + 1);
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}
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QVariant CustomTableModel::data(const QModelIndex & index, int role) const
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{
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if (role == Qt::DisplayRole)
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{
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switch(index.column())
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{
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// case 0:
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// return m_points[index.row()].x();
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// case 1:
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// return m_points[index.row()].y();
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// case 2:
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case 6:
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return m_labels[index.row()];
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default:
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return m_data[index.row()]->at(index.column());
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break;
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}
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}
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else if (role == Qt::EditRole)
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{
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switch(index.column())
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{
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// case 0:
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// return m_points[index.row()].x();
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// case 1:
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// return m_points[index.row()].y();
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// case 2:
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case 6:
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return m_labels[index.row()];
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default:
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return m_data[index.row()]->at(index.column());
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break;
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}
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}
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else if (role == Qt::BackgroundRole)
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{
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return m_rowsColors[index.row()]->at(index.column());
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}
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return QVariant();
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}
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bool CustomTableModel::setData ( const QModelIndex & index, const QVariant & value, int role)
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{
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if (index.isValid() && role == Qt::EditRole)
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{
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switch(index.column())
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{
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// case 0:
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// m_points[index.row()].setX(value.toDouble());
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// break;
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// case 1:
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// m_points[index.row()].setY(value.toDouble());
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// break;
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// case 2:
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case 6:
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m_labels.replace(index.row(), value.toString());
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break;
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default:
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m_data[index.row()]->replace(index.column(), value.toDouble());
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break;
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// return false;
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}
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emit dataChanged(index, index);
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return true;
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}
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else if (role == Qt::BackgroundRole)
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{
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m_rowsColors[index.row()]->replace(index.column(), value.value<QColor>());
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return true;
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}
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return false;
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}
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Qt::ItemFlags CustomTableModel::flags ( const QModelIndex & index ) const
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{
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// if (!index.isValid())
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// return Qt::ItemIsEnabled;
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return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
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}
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bool CustomTableModel::insertRows ( int row, int count, const QModelIndex & parent)
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{
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Q_UNUSED(parent)
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if (row < 0)
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row = 0;
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beginInsertRows(QModelIndex(), row /*dataTable.count()*/, row + count - 1);
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for (int i = row; i < row + count; i++)
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{
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// m_points.insert(row, QPointF(10,20));
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QVector<qreal>* dataVec = new QVector<qreal>(6);
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QVector<QColor>* colorVec = new QVector<QColor>(6);
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for (int k = 0; k < dataVec->size(); k++)
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{
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if (k%2 == 0)
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// dataVec->replace(k, i * 50 + qrand()%20);
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{
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int difference = 0;
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if (i < m_data.size())
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{
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if (i - 1 >= 0)
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{
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difference = (int)((qAbs(m_data[i]->at(k) - m_data[row - 1]->at(k)))/count);
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dataVec->replace(k, m_data[i - 1]->at(k) + qrand()%qMax(1, difference));
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}
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else
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dataVec->replace(k, qrand()%40 + 10);
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}
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else
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{
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if (i - 1 >= 0)
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{
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dataVec->replace(k, m_data[i - 1]->at(k) + qrand()%40 + 10);
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}
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else
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{
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dataVec->replace(k, qrand()%40 + 10);
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}
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}
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}
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else
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dataVec->replace(k, qrand()%100);
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colorVec->replace(k, QColor(Qt::white));
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}
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m_data.insert(i, dataVec);
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m_labels.insert(i,(QString("Row: %1").arg(i + 1)));
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m_rowsColors.insert(i, colorVec);
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}
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endInsertRows();
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return true;
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}
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bool CustomTableModel::removeRows ( int row, int count, const QModelIndex & parent)
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{
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if (row > this->rowCount() - 1)
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return false;
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if (row < 0)
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row = 0;
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if (row + count > rowCount())
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return false;
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beginRemoveRows(parent, row, row + count - 1);
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for (int i = row; i < row + count; i++)
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{
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// m_points.removeAt(row);
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QVector<qreal>* item = m_data.at(row);
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m_data.removeAt(row);
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delete item;
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m_labels.removeAt(row);
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}
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endRemoveRows();
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return true;
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}
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