Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
++
++ #include <QtCharts/QCandlestickSet>
++ #include <QtCore/QRect>
++ #include <QtCore/QList>
++ #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:
++ for (auto 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 QList<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) {
++ QList<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.insert(color, area);
++ }
++
++ void CustomTableModel::clearMapping()
++ {
++ m_mapping.clear();
++ }