109 lines
2.2 KiB
C++
109 lines
2.2 KiB
C++
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#include "clogmodel.h"
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#include "qmutex.h"
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CLogModel::CLogModel(QObject *parent) : QAbstractListModel(parent)
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{
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m_datas.reserve(100000);
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}
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CLogModel::~CLogModel()
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{
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clear();
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}
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bool CLogModel::insert(int index, const QString item)
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{
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const int count = length();
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if (count > 500)
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{
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beginRemoveRows(QModelIndex(), 0, count - 1);
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m_datas.clear();
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endRemoveRows();
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}
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if (index >= 0 && index <= count)
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{
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beginInsertRows(QModelIndex(), index, index);
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m_datas.insert(index, item);
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endInsertRows();
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return true;
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}
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return false;
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}
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bool CLogModel::remove(int index)
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{
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if(index < 0 || index >= m_datas.count())
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return false;
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beginRemoveRows(QModelIndex(), index, index);
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m_datas.removeAt(index);
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endRemoveRows();
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return true;
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}
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void CLogModel::clear()
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{
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const int rows = m_datas.count();
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if(rows < 1)
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return;
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beginRemoveRows(QModelIndex(), 0, rows - 1);
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m_datas.clear();
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endRemoveRows();
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}
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int CLogModel::length() const
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{
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return m_datas.length();
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}
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bool CLogModel::isValid(int index) const
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{
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if(index >= 0 && index < length() )
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{
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return true;
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}
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return false;
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}
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int CLogModel::rowCount(const QModelIndex &/*parent*/) const
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{
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return length();
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}
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int CLogModel::columnCount(const QModelIndex &/*parent*/) const
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{
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return 1;
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}
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Qt::ItemFlags CLogModel::flags(const QModelIndex &index) const
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{
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if (!index.isValid())
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return Qt::NoItemFlags;
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return QAbstractListModel::flags(index);
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}
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QVariant CLogModel::data(const QModelIndex &index, int role) const
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{
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if(index.isValid())
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{
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if(role == Qt::DisplayRole)
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{
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return m_datas.value(index.row(), QString());
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}
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}
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return QVariant();
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}
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bool CLogModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if(index.isValid())
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{
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if(role == Qt::DisplayRole)
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{
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m_datas[index.row()] = value.toString();
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emit dataChanged(index, index);
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return true;
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}
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}
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return QAbstractListModel::setData(index, value, role);
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}
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