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