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QsLogWindowModel.cpp
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QsLogWindowModel.cpp
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// Copyright (c) 2015, Axel Gembe <axel@gembe.net>
// All rights reserved.
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice, this
// list of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
// * The name of the contributors may not be used to endorse or promote products
// derived from this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
#include "QsLogWindowModel.h"
#include "QsLog.h"
#include <QColor>
QsLogging::LogWindowModel::LogWindowModel(size_t max_items) :
mMaxItems(max_items)
{
}
QsLogging::LogWindowModel::~LogWindowModel() noexcept = default;
void QsLogging::LogWindowModel::addEntry(const LogMessage& message)
{
const int next_idx = static_cast<int>(mLogMessages.size());
beginInsertRows(QModelIndex(), next_idx, next_idx);
{
QWriteLocker lock(&mMessagesLock);
mLogMessages.push_back(message);
}
endInsertRows();
if (mMaxItems < std::numeric_limits<size_t>::max() && mLogMessages.size() > mMaxItems) {
{
QWriteLocker lock(&mMessagesLock);
mLogMessages.pop_front();
}
// Every item changed
const QModelIndex idx1 = index(0, 0);
const QModelIndex idx2 = index(static_cast<int>(mLogMessages.size()), rowCount());
emit dataChanged(idx1, idx2);
}
}
void QsLogging::LogWindowModel::clear()
{
beginResetModel();
{
QWriteLocker lock(&mMessagesLock);
mLogMessages.clear();
}
endResetModel();
}
QsLogging::LogMessage QsLogging::LogWindowModel::at(size_t index) const
{
return mLogMessages[index];
}
int QsLogging::LogWindowModel::columnCount(const QModelIndex& parent) const
{
Q_UNUSED(parent);
return 3;
}
int QsLogging::LogWindowModel::rowCount(const QModelIndex& parent) const
{
Q_UNUSED(parent);
QReadLocker lock(&mMessagesLock);
return static_cast<int>(mLogMessages.size());
}
QVariant QsLogging::LogWindowModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
return QVariant();
if (role == Qt::DisplayRole) {
QReadLocker lock(&mMessagesLock);
const LogMessage& item = mLogMessages.at(index.row());
switch (index.column()) {
case TimeColumn:
return item.time.toLocalTime().toString();
case LevelNameColumn:
return LocalizedLevelName(item.level);
case MessageColumn:
return item.message;
case FormattedMessageColumn:
return item.formatted;
default:
return QVariant();
}
return QString();
}
if (role == Qt::BackgroundColorRole) {
QReadLocker lock(&mMessagesLock);
const LogMessage& item = mLogMessages.at(index.row());
switch (item.level)
{
case QsLogging::WarnLevel:
return QVariant(QColor(255, 255, 128));
case QsLogging::ErrorLevel:
return QVariant(QColor(255, 128, 128));
case QsLogging::FatalLevel:
return QVariant(QColor(255, 0, 0));
default:
break;
}
}
return QVariant();
}
QVariant QsLogging::LogWindowModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
switch (section) {
case TimeColumn:
return tr("Time");
case LevelNameColumn:
return tr("Level");
case MessageColumn:
return tr("Message");
default:
break;
}
}
return QVariant();
}