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Diffstat (limited to 'examples/charts/modeldata/customtablemodel.cpp')
-rw-r--r-- | examples/charts/modeldata/customtablemodel.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/examples/charts/modeldata/customtablemodel.cpp b/examples/charts/modeldata/customtablemodel.cpp new file mode 100644 index 00000000..2bec3c98 --- /dev/null +++ b/examples/charts/modeldata/customtablemodel.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2014 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 Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise 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) +{ + qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); + + m_columnCount = 4; + m_rowCount = 15; + + // m_data + for (int i = 0; i < m_rowCount; i++) { + QVector<qreal>* dataVec = new QVector<qreal>(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 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; +} + +QVariant CustomTableModel::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 CustomTableModel::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()); + } else if (role == Qt::BackgroundRole) { + foreach (QRect rect, m_mapping) { + if (rect.contains(index.column(), index.row())) + return QColor(m_mapping.key(rect)); + } + // cell not mapped return white color + return QColor(Qt::white); + } + return QVariant(); +} + +bool CustomTableModel::setData(const QModelIndex &index, const QVariant &value, int role) +{ + if (index.isValid() && role == Qt::EditRole) { + m_data[index.row()]->replace(index.column(), value.toDouble()); + emit dataChanged(index, index); + return true; + } + return false; +} + +Qt::ItemFlags CustomTableModel::flags(const QModelIndex &index) const +{ + return QAbstractItemModel::flags(index) | Qt::ItemIsEditable; +} + +void CustomTableModel::addMapping(QString color, QRect area) +{ + m_mapping.insertMulti(color, area); +} |