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Add/modify license headers
Jani Honkonen - - Load All Authors

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customtablemodel.cpp
255 lines | 7.5 KiB | text/x-c | CppLexer
/ examples / tablemodelchart / customtablemodel.cpp
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Jani Honkonen
Add/modify license headers
 r830 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
Table model data example
 r519 #include "customtablemodel.h"
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 #include <QVector>
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XYSeries: added support for limited mapping area
 r734 #include <QTime>
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Table model data example
 r519
CustomTableModel::CustomTableModel(QObject *parent) :
QAbstractTableModel(parent)
{
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XYSeries: added support for limited mapping area
 r734 // m_points.append(QPointF(10, 50));
// m_labels.append("Apples");
// m_points.append(QPointF(60, 70));
// m_labels.append("Oranges");
// m_points.append(QPointF(110, 50));
// m_labels.append("Bananas");
// m_points.append(QPointF(140, 40));
// m_labels.append("Lemons");
// m_points.append(QPointF(200, 150));
// m_labels.append("Plums");
// m_points.append(QPointF(225, 75));
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 r630 // m_labels.append("Pearls");
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 r734 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
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 r630 // m_data
for (int i = 0; i < 6; i++)
{
QVector<qreal>* dataVec = new QVector<qreal>(6);
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Some more work on mapping with limits
 r735 QVector<QColor>* colorVec = new QVector<QColor>(6);
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Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 for (int k = 0; k < dataVec->size(); k++)
Marek Rosa
Some more work on mapping with limits
 r735 {
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 if (k%2 == 0)
dataVec->replace(k, i * 50 + qrand()%20);
else
dataVec->replace(k, qrand()%100);
Marek Rosa
Some more work on mapping with limits
 r735 colorVec->replace(k, QColor(Qt::white));
}
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 m_data.append(dataVec);
m_labels.append(QString("Row: %1").arg((i + 1)));
Marek Rosa
Some more work on mapping with limits
 r735 m_rowsColors.append(colorVec);
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 }
Marek Rosa
Table model data example
 r519 }
int CustomTableModel::rowCount(const QModelIndex & parent) const
{
Tero Ahola
A few more warnings removed from examples
 r613 Q_UNUSED(parent)
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 // return m_points.count();
return m_data.count();
Marek Rosa
Table model data example
 r519 }
int CustomTableModel::columnCount(const QModelIndex & parent) const
{
Tero Ahola
A few more warnings removed from examples
 r613 Q_UNUSED(parent)
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Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 // return 3;
return 6;
Marek Rosa
Table model data example
 r519 }
QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
{
if (role != Qt::DisplayRole)
return QVariant();
if (orientation == Qt::Horizontal)
{
switch(section)
{
Marek Rosa
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 r630 // case 0:
// return "x";
// case 1:
// return "y";
// case 2:
case 6:
Marek Rosa
Table model data example
 r519 return "Fruit";
Marek Rosa
QXYSeries: model data orientation added. QBarSeries: some model data function placeholders
 r527 default:
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 if (section%2 == 0)
return "x";
else
return "y";
// return "What?";
Marek Rosa
Table model data example
 r519 }
}
else
return QString("%1").arg(section + 1);
}
QVariant CustomTableModel::data(const QModelIndex & index, int role) const
{
if (role == Qt::DisplayRole)
{
switch(index.column())
{
Marek Rosa
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 r630 // case 0:
// return m_points[index.row()].x();
// case 1:
// return m_points[index.row()].y();
// case 2:
case 6:
Marek Rosa
Table model data example
 r519 return m_labels[index.row()];
default:
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Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 return m_data[index.row()]->at(index.column());
Tero Ahola
A few more warnings removed from examples
 r613 break;
Marek Rosa
Table model data example
 r519 }
}
else if (role == Qt::EditRole)
{
switch(index.column())
{
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 // case 0:
// return m_points[index.row()].x();
// case 1:
// return m_points[index.row()].y();
// case 2:
case 6:
Marek Rosa
Table model data example
 r519 return m_labels[index.row()];
default:
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 return m_data[index.row()]->at(index.column());
Tero Ahola
A few more warnings removed from examples
 r613 break;
Marek Rosa
Table model data example
 r519 }
}
Marek Rosa
Some more work on mapping with limits
 r735 else if (role == Qt::BackgroundRole)
{
return m_rowsColors[index.row()]->at(index.column());
}
Tero Ahola
A few more warnings removed from examples
 r613 return QVariant();
Marek Rosa
Table model data example
 r519 }
bool CustomTableModel::setData ( const QModelIndex & index, const QVariant & value, int role)
{
if (index.isValid() && role == Qt::EditRole)
{
switch(index.column())
{
Marek Rosa
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 r630 // case 0:
// m_points[index.row()].setX(value.toDouble());
// break;
// case 1:
// m_points[index.row()].setY(value.toDouble());
// break;
// case 2:
case 6:
Marek Rosa
Table model data example
 r519 m_labels.replace(index.row(), value.toString());
break;
default:
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 r630 m_data[index.row()]->replace(index.column(), value.toDouble());
break;
// return false;
Marek Rosa
Table model data example
 r519 }
emit dataChanged(index, index);
return true;
}
Marek Rosa
Some more work on mapping with limits
 r735 else if (role == Qt::BackgroundRole)
{
m_rowsColors[index.row()]->replace(index.column(), value.value<QColor>());
return true;
}
Marek Rosa
Table model data example
 r519 return false;
}
Qt::ItemFlags CustomTableModel::flags ( const QModelIndex & index ) const
{
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 // if (!index.isValid())
// return Qt::ItemIsEnabled;
return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
Marek Rosa
Table model data example
 r519 }
bool CustomTableModel::insertRows ( int row, int count, const QModelIndex & parent)
{
Tero Ahola
A few more warnings removed from examples
 r613 Q_UNUSED(parent)
Marek Rosa
Model data example updated
 r546 if (row < 0)
row = 0;
Marek Rosa
Table model data example
 r519 beginInsertRows(QModelIndex(), row /*dataTable.count()*/, row + count - 1);
Marek Rosa
Added support for adding and removing data with model. Updated the example
 r545 for (int i = row; i < row + count; i++)
Marek Rosa
Table model data example
 r519 {
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 // m_points.insert(row, QPointF(10,20));
Marek Rosa
Some more work on mapping with limits
 r735 QVector<qreal>* dataVec = new QVector<qreal>(6);
QVector<QColor>* colorVec = new QVector<QColor>(6);
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 for (int k = 0; k < dataVec->size(); k++)
Marek Rosa
Some more work on mapping with limits
 r735 {
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 if (k%2 == 0)
// dataVec->replace(k, i * 50 + qrand()%20);
{
int difference = 0;
Marek Rosa
Some more work on mapping with limits
 r735 if (i < m_data.size())
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 {
Marek Rosa
Some more work on mapping with limits
 r735 if (i - 1 >= 0)
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 {
Marek Rosa
Some more work on mapping with limits
 r735 difference = (int)((qAbs(m_data[i]->at(k) - m_data[row - 1]->at(k)))/count);
dataVec->replace(k, m_data[i - 1]->at(k) + qrand()%qMax(1, difference));
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 }
else
Marek Rosa
XYSeries: added support for limited mapping area
 r734 dataVec->replace(k, qrand()%40 + 10);
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 }
else
Marek Rosa
Some more work on mapping with limits
 r735 {
if (i - 1 >= 0)
Marek Rosa
XYSeries: added support for limited mapping area
 r734 {
Marek Rosa
Some more work on mapping with limits
 r735 dataVec->replace(k, m_data[i - 1]->at(k) + qrand()%40 + 10);
Marek Rosa
XYSeries: added support for limited mapping area
 r734 }
else
{
dataVec->replace(k, qrand()%40 + 10);
}
Marek Rosa
Some more work on mapping with limits
 r735 }
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 }
else
dataVec->replace(k, qrand()%100);
Marek Rosa
Some more work on mapping with limits
 r735 colorVec->replace(k, QColor(Qt::white));
}
m_data.insert(i, dataVec);
m_labels.insert(i,(QString("Row: %1").arg(i + 1)));
m_rowsColors.insert(i, colorVec);
Marek Rosa
Table model data example
 r519 }
endInsertRows();
return true;
}
Marek Rosa
Added support for adding and removing data with model. Updated the example
 r545
bool CustomTableModel::removeRows ( int row, int count, const QModelIndex & parent)
{
if (row > this->rowCount() - 1)
return false;
if (row < 0)
row = 0;
if (row + count > rowCount())
return false;
beginRemoveRows(parent, row, row + count - 1);
for (int i = row; i < row + count; i++)
{
Marek Rosa
XYSeries: added support for limited mapping area
 r734 // m_points.removeAt(row);
Marek Rosa
Added support for data from model to QBarSeries. Various fixes and small modifications to data from model support to other series
 r630 QVector<qreal>* item = m_data.at(row);
m_data.removeAt(row);
delete item;
Marek Rosa
Added support for adding and removing data with model. Updated the example
 r545 m_labels.removeAt(row);
}
endRemoveRows();
return true;
}