##// END OF EJS Templates
QML: VPieModelMapper as a child for PieSeries
QML: VPieModelMapper as a child for PieSeries

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charttablemodel.cpp
145 lines | 3.9 KiB | text/x-c | CppLexer
/ src / charttablemodel.cpp
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "charttablemodel.h"
#include <QVector>
#include <QTime>
#include <QRect>
#include <QColor>
QTCOMMERCIALCHART_USE_NAMESPACE
ChartTableModel::ChartTableModel(QObject *parent) :
QAbstractTableModel(parent)
{
qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
m_columnCount = 2;
m_rowCount = 0;
// m_data
for (int i = 0; i < m_rowCount; i++) {
QVector<QVariant>* dataVec = new QVector<QVariant>(m_columnCount);
for (int k = 0; k < dataVec->size(); k++) {
if (k%2 == 0)
dataVec->replace(k, i * 50 + qrand()%20);
else
dataVec->replace(k, qrand()%100);
}
m_data.append(dataVec);
}
}
int ChartTableModel::rowCount(const QModelIndex & parent) const
{
Q_UNUSED(parent)
return m_data.count();
}
int ChartTableModel::columnCount(const QModelIndex & parent) const
{
Q_UNUSED(parent)
return m_columnCount;
}
QVariant ChartTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
{
if (role != Qt::DisplayRole)
return QVariant();
if (orientation == Qt::Horizontal) {
if (section % 2 == 0)
return "x";
else
return "y";
} else {
return QString("%1").arg(section + 1);
}
}
QVariant ChartTableModel::data(const QModelIndex &index, int role) const
{
if (role == Qt::DisplayRole) {
return m_data[index.row()]->at(index.column());
} else if (role == Qt::EditRole) {
return m_data[index.row()]->at(index.column());
}
return QVariant();
}
bool ChartTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (index.isValid() && role == Qt::EditRole) {
m_data[index.row()]->replace(index.column(), value);
emit dataChanged(index, index);
return true;
}
return false;
}
void ChartTableModel::insertColumn(int column, const QModelIndex &parent)
{
beginInsertColumns(parent, column, column);
m_columnCount++;
endInsertColumns();
}
void ChartTableModel::insertRow(int row, const QModelIndex &parent)
{
beginInsertRows(parent, row, row);
QVector<QVariant>* dataVec = new QVector<QVariant>(m_columnCount);
m_data.insert(row, dataVec);
endInsertRows();
}
//bool ChartTableModel::removeRow(int row, const QModelIndex &parent)
//{
// Q_UNUSED(parent)
// Q_ASSERT(row >= 0 && row < rowCount);
// beginRemoveRows(parent, row, row);
// m_data.removeAt(row);
// endRemoveRows();
// return true;
//}
bool ChartTableModel::removeRow(int row, const QModelIndex &parent)
{
return QAbstractTableModel::removeRow(row, parent);
}
bool ChartTableModel::removeRows(int row, int count, const QModelIndex &parent)
{
beginRemoveRows(parent, row, row + count - 1);
bool removed(false);
for (int i(row); i < (row + count); i++) {
m_data.removeAt(i);
removed = true;
}
endRemoveRows();
return removed;
}
Qt::ItemFlags ChartTableModel::flags ( const QModelIndex & index ) const
{
return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
}
#include "moc_charttablemodel.cpp"