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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-or-later
*/
#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 static_cast<int>(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 Qt::ItemFlags();
}
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;
QVector<int> roles;
roles << Qt::DisplayRole;
if (old_column >= 0) {
//Notify old column has changed
emit dataChanged(index(0, old_column), index(rowCount(), old_column), roles);
}
if (column_ >= 0) {
//Notify new column has changed
emit dataChanged(index(0, column_), index(rowCount(), column_), roles);
}
}
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