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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCharts/QCandlestickSet>
#include <QtCore/QRect>
#include <QtCore/QVector>
#include <QtGui/QColor>
#include "customtablemodel.h"
CustomTableModel::CustomTableModel(QObject *parent)
: QAbstractTableModel(parent)
{
m_categories.append(QStringLiteral("Timestamp"));
m_categories.append(QStringLiteral("Open"));
m_categories.append(QStringLiteral("High"));
m_categories.append(QStringLiteral("Low"));
m_categories.append(QStringLiteral("Close"));
}
CustomTableModel::~CustomTableModel()
{
qDeleteAll(m_data);
}
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_categories.count();
}
QVariant CustomTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role != Qt::DisplayRole)
return QVariant();
if (orientation == Qt::Horizontal)
return m_categories[section];
else
return QStringLiteral("%1").arg(section);
}
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;
}
QVariant CustomTableModel::data(const QModelIndex &index, int role) const
{
switch (role) {
case Qt::DisplayRole:
// fall through
case Qt::EditRole:
return m_data[index.row()]->at(index.column());
case Qt::BackgroundRole:
foreach (QRect rect, m_mapping) {
if (rect.contains(index.column(), index.row()))
return QColor(m_mapping.key(rect));
}
// cell is not mapped, return white color
return QColor(Qt::white);
default:
return QVariant();
}
}
Qt::ItemFlags CustomTableModel::flags(const QModelIndex &index) const
{
return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
}
bool CustomTableModel::insertRows(int row, int count, const QModelIndex &parent)
{
beginInsertRows(parent, row, row + count - 1);
m_data.append(new QVector<qreal>(columnCount()));
endInsertRows();
return true;
}
bool CustomTableModel::removeRows(int row, int count, const QModelIndex &parent)
{
beginRemoveRows(parent, row, row + count - 1);
for (int i = row + count; i >= row; --i)
m_data.removeAt(i);
endRemoveRows();
return true;
}
void CustomTableModel::addRow(QCandlestickSet *set)
{
bool changed = insertRows(m_data.count(), 1);
if (changed) {
QVector<qreal> *row = m_data.last();
row->insert(0, set->timestamp());
row->insert(1, set->open());
row->insert(2, set->high());
row->insert(3, set->low());
row->insert(4, set->close());
}
}
void CustomTableModel::clearRows()
{
bool changed = removeRows(0, m_data.count());
if (changed)
m_data.clear();
}
void CustomTableModel::addMapping(QString color, QRect area)
{
m_mapping.insertMulti(color, area);
}
void CustomTableModel::clearMapping()
{
m_mapping.clear();
}
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