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coding style fixes for examples
coding style fixes for examples
Jani Honkonen - - Load All Authors

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r2098:46e62d22b0b4
r2098:46e62d22b0b4
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customtablemodel.cpp
110 lines | 3.1 KiB | text/x-c | CppLexer
/ examples / modeldata / customtablemodel.cpp
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Marek Rosa
New simple model example
 r889 /****************************************************************************
**
** 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 "customtablemodel.h"
#include <QVector>
#include <QTime>
#include <QRect>
#include <QColor>
CustomTableModel::CustomTableModel(QObject *parent) :
QAbstractTableModel(parent)
{
Jani Honkonen
coding style fixes for examples
 r2098 qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
Marek Rosa
New simple model example
 r889
m_columnCount = 4;
m_rowCount = 15;
// m_data
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coding style fixes for examples
 r2098 for (int i = 0; i < m_rowCount; i++) {
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New simple model example
 r889 QVector<qreal>* dataVec = new QVector<qreal>(m_columnCount);
Jani Honkonen
coding style fixes for examples
 r2098 for (int k = 0; k < dataVec->size(); k++) {
if (k % 2 == 0)
dataVec->replace(k, i * 50 + qrand() % 20);
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New simple model example
 r889 else
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coding style fixes for examples
 r2098 dataVec->replace(k, qrand() % 100);
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New simple model example
 r889 }
m_data.append(dataVec);
}
}
int CustomTableModel::rowCount(const QModelIndex & parent) const
{
Q_UNUSED(parent)
return m_data.count();
}
int CustomTableModel::columnCount(const QModelIndex & parent) const
{
Q_UNUSED(parent)
return m_columnCount;
}
Jani Honkonen
coding style fixes for examples
 r2098 QVariant CustomTableModel::headerData(int section, Qt::Orientation orientation, int role) const
Marek Rosa
New simple model example
 r889 {
if (role != Qt::DisplayRole)
return QVariant();
Jani Honkonen
coding style fixes for examples
 r2098 if (orientation == Qt::Horizontal) {
if (section % 2 == 0)
Marek Rosa
New simple model example
 r889 return "x";
else
return "y";
Jani Honkonen
coding style fixes for examples
 r2098 } else {
Marek Rosa
New simple model example
 r889 return QString("%1").arg(section + 1);
Jani Honkonen
coding style fixes for examples
 r2098 }
Marek Rosa
New simple model example
 r889 }
QVariant CustomTableModel::data(const QModelIndex & index, int role) const
{
Jani Honkonen
coding style fixes for examples
 r2098 if (role == Qt::DisplayRole) {
Marek Rosa
New simple model example
 r889 return m_data[index.row()]->at(index.column());
Jani Honkonen
coding style fixes for examples
 r2098 } else if (role == Qt::EditRole) {
Marek Rosa
New simple model example
 r889 return m_data[index.row()]->at(index.column());
Jani Honkonen
coding style fixes for examples
 r2098 } else if (role == Qt::BackgroundRole) {
foreach (QRect rect, m_mapping) {
if (rect.contains(index.column(), index.row()))
Marek Rosa
New simple model example
 r889 return QColor(m_mapping.key(rect));
Jani Honkonen
coding style fixes for examples
 r2098 }
Marek Rosa
New simple model example
 r889 // cell not mapped return white color
return QColor(Qt::white);
}
return QVariant();
}
Jani Honkonen
coding style fixes for examples
 r2098 bool CustomTableModel::setData(const QModelIndex & index, const QVariant & value, int role)
Marek Rosa
New simple model example
 r889 {
Jani Honkonen
coding style fixes for examples
 r2098 if (index.isValid() && role == Qt::EditRole) {
Marek Rosa
New simple model example
 r889 m_data[index.row()]->replace(index.column(), value.toDouble());
emit dataChanged(index, index);
return true;
}
return false;
}
Jani Honkonen
coding style fixes for examples
 r2098 Qt::ItemFlags CustomTableModel::flags(const QModelIndex & index) const
Marek Rosa
New simple model example
 r889 {
return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
}
void CustomTableModel::addMapping(QString color, QRect area)
{
m_mapping.insertMulti(color, area);
}