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/* info_proxy_model.cpp
* Proxy model for displaying an info text at the end of any QAbstractListModel
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <ui/qt/models/info_proxy_model.h>
#include <QFont>
InfoProxyModel::InfoProxyModel(QObject * parent)
: QIdentityProxyModel(parent),
column_(-1)
{
}
InfoProxyModel::~InfoProxyModel()
{
infos_.clear();
}
void InfoProxyModel::appendInfo(QString info)
{
if ( ! infos_.contains(info) )
infos_ << info;
}
void InfoProxyModel::clearInfos()
{
infos_.clear();
}
int InfoProxyModel::rowCount(const QModelIndex &parent) const
{
return sourceModel()->rowCount(parent) + infos_.count();
}
QVariant InfoProxyModel::data (const QModelIndex &index, int role) const
{
if ( ! index.isValid() )
return QVariant();
if ( index.row() < sourceModel()->rowCount() )
return sourceModel()->data(mapToSource(index), role);
int ifIdx = index.row() - sourceModel()->rowCount();
if ( index.column() != column_ || ifIdx < 0 || ifIdx >= infos_.count() )
return QVariant();
switch ( role )
{
case Qt::DisplayRole:
return infos_.at(ifIdx);
break;
case Qt::FontRole:
QFont font = QIdentityProxyModel::data(index, Qt::FontRole).value<QFont>();
font.setItalic(true);
return font;
}
return QIdentityProxyModel::data(index, role);
}
Qt::ItemFlags InfoProxyModel::flags(const QModelIndex &index) const
{
if ( index.row() < sourceModel()->rowCount() )
return sourceModel()->flags(mapToSource(index));
return 0;
}
QModelIndex InfoProxyModel::index(int row, int column, const QModelIndex &parent) const
{
if ( row >= sourceModel()->rowCount() && row < rowCount() )
return createIndex(row, column);
return QIdentityProxyModel::index(row, column, parent);
}
QModelIndex InfoProxyModel::mapToSource(const QModelIndex &proxyIndex) const
{
if ( ! proxyIndex.isValid() )
return QModelIndex();
if ( proxyIndex.row() >= sourceModel()->rowCount() )
return QModelIndex();
return QIdentityProxyModel::mapToSource(proxyIndex);
}
QModelIndex InfoProxyModel::mapFromSource(const QModelIndex &fromIndex) const
{
return QIdentityProxyModel::mapFromSource(fromIndex);
}
void InfoProxyModel::setColumn(int column)
{
int old_column = column_;
column_ = column;
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
QVector<int> roles;
roles << Qt::DisplayRole;
#endif
if (old_column >= 0) {
//Notify old column has changed
emit dataChanged(index(0, old_column), index(rowCount(), old_column)
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
, roles
#endif
);
}
if (column_ >= 0) {
//Notify new column has changed
emit dataChanged(index(0, column_), index(rowCount(), column_)
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
, roles
#endif
);
}
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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