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// Copyright (C) 2021 Evgeny Shtanov <shtanov_evgenii@mail.ru>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "receivedframesmodel.h"
#include <QSize>
#include <iterator>
constexpr int ColumnAlignment[] = {
Qt::AlignRight | Qt::AlignVCenter,
Qt::AlignRight | Qt::AlignVCenter,
Qt::AlignCenter,
Qt::AlignRight | Qt::AlignVCenter,
Qt::AlignRight | Qt::AlignVCenter,
Qt::AlignLeft | Qt::AlignVCenter
};
ReceivedFramesModel::ReceivedFramesModel(QObject *parent) : QAbstractTableModel(parent)
{
}
bool ReceivedFramesModel::removeRows(int row, int count, const QModelIndex &parent)
{
beginRemoveRows(parent, row, row + count - 1);
QList<QStringList>::iterator i_start = m_framesQueue.begin() + row;
QList<QStringList>::iterator i_end = i_start + count;
m_framesQueue.erase(i_start, i_end);
endRemoveRows();
return true;
}
QVariant ReceivedFramesModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if ((role == Qt::DisplayRole) && (orientation == Qt::Horizontal)) {
switch (section) {
case Number:
return tr("#");
case Timestamp:
return tr("Timestamp");
case Flags:
return tr("Flags");
case CanID:
return tr("CAN-ID");
case DLC:
return tr("DLC");
case Data:
return tr("Data");
}
}
if ((role == Qt::SizeHintRole) && (orientation == Qt::Horizontal)) {
switch (section) {
case Number:
return QSize(80, 25);
case Timestamp:
return QSize(130, 25);
case Flags:
return QSize(25, 25);
case CanID:
return QSize(50, 25);
case DLC:
return QSize(25, 25);
case Data:
return QSize(200, 25);
}
}
return {};
}
QVariant ReceivedFramesModel::data(const QModelIndex &index, int role) const
{
if (m_framesQueue.empty())
return {};
const int row = index.row();
const int column = index.column();
switch (role) {
case Qt::TextAlignmentRole:
return ColumnAlignment[index.column()];
case Qt::DisplayRole:
return m_framesQueue.at(row).at(column);
case ClipboardTextRole:
if (index.column() == DLC)
return QString("[%1]").arg(m_framesQueue.at(row).at(column));
else
return m_framesQueue.at(row).at(column);
default:
return {};
}
}
int ReceivedFramesModel::rowCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : m_framesQueue.size();
}
int ReceivedFramesModel::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : Count;
}
void ReceivedFramesModel::appendFrames(const QList<QStringList> &slvector)
{
m_framesAccumulator.append(slvector);
}
bool ReceivedFramesModel::needUpdate() const
{
return !m_framesAccumulator.empty();
}
void ReceivedFramesModel::update()
{
if (m_framesAccumulator.empty())
return;
if (m_queueLimit)
appendFramesRingBuffer(m_framesAccumulator);
else
appendFramesUnlimited(m_framesAccumulator);
m_framesAccumulator.clear();
}
void ReceivedFramesModel::appendFramesRingBuffer(const QList<QStringList> &slvector)
{
if (m_queueLimit <= (rowCount() + slvector.size())) {
if (slvector.size() < m_queueLimit)
removeRows(0, rowCount() + slvector.size() - m_queueLimit + 1);
else
clear();
}
beginInsertRows(QModelIndex(), rowCount(), rowCount() + slvector.size() - 1);
if (slvector.size() < m_queueLimit)
m_framesQueue.append(slvector);
else
m_framesQueue.append(slvector.mid(slvector.size() - m_queueLimit));
endInsertRows();
}
void ReceivedFramesModel::appendFrame(const QStringList &slist)
{
appendFrames({slist});
}
void ReceivedFramesModel::appendFramesUnlimited(const QList<QStringList> &slvector)
{
beginInsertRows(QModelIndex(), rowCount(), rowCount() + slvector.size() - 1);
m_framesQueue.append(slvector);
endInsertRows();
}
void ReceivedFramesModel::clear()
{
if (m_framesQueue.count()) {
beginResetModel();
m_framesQueue.clear();
endResetModel();
}
}
void ReceivedFramesModel::setQueueLimit(int limit)
{
m_queueLimit = limit;
if (limit && m_framesQueue.size() > limit)
removeRows(0, m_framesQueue.size() - limit);
}
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