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modelprinter.cpp
/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Nick Dedekind <nick.dedekind@canonical.com>
*/
// self
#include "modelprinter.h"
#include <ayatanamenumodel.h>
// Qt
#include <QTextStream>
ModelPrinter::ModelPrinter(QObject *parent)
: QObject(parent)
, m_model(nullptr)
{
}
void ModelPrinter::setSourceModel(AyatanaMenuModel * sourceModel)
{
if (m_model != nullptr) {
disconnect(m_model);
}
if (m_model != sourceModel) {
m_model = sourceModel;
Q_EMIT modelChanged();
Q_EMIT textChanged();
}
if (m_model != nullptr) {
connect(m_model, &AyatanaMenuModel::rowsInserted, this, &ModelPrinter::textChanged);
connect(m_model, &AyatanaMenuModel::rowsRemoved, this, &ModelPrinter::textChanged);
connect(m_model, &AyatanaMenuModel::dataChanged, this, &ModelPrinter::textChanged);
}
}
AyatanaMenuModel* ModelPrinter::sourceModel() const
{
return m_model;
}
QString ModelPrinter::text()
{
return getModelDataString(m_model, 0);
}
QString tabify(int level) { QString str;
for (int i = 0; i < level; i++) {
str += QLatin1String(" ");
}
return str;
}
QString ModelPrinter::getModelDataString(AyatanaMenuModel* sourceModel, int level)
{
if (!sourceModel)
return QLatin1String("");
QString str;
QTextStream stream(&str);
int rowCount = sourceModel->rowCount();
for (int row = 0; row < rowCount; row++) {
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
stream << getRowSring(sourceModel, row, level) << Qt::endl;
#else
stream << getRowSring(sourceModel, row, level) << endl;
#endif
AyatanaMenuModel* childMenuModel = qobject_cast<AyatanaMenuModel*>(sourceModel->submenu(row));
if (childMenuModel) {
if (!m_children.contains(childMenuModel)) {
m_children << childMenuModel;
connect(childMenuModel, &AyatanaMenuModel::rowsInserted, this, &ModelPrinter::textChanged);
connect(childMenuModel, &AyatanaMenuModel::rowsRemoved, this, &ModelPrinter::textChanged);
connect(childMenuModel, &AyatanaMenuModel::dataChanged, this, &ModelPrinter::textChanged);
}
stream << getModelDataString(childMenuModel, level+1);
}
}
return str;
}
QString ModelPrinter::getRowSring(AyatanaMenuModel* sourceModel, int row, int depth) const
{
QString str;
QTextStream stream(&str);
// Print out this row
QHash<int, QByteArray> roleNames = sourceModel->roleNames();
QList<int> roles = roleNames.keys();
std::sort(roles.begin(), roles.end());
Q_FOREACH(int role, roles) {
const QByteArray& roleName = roleNames[role];
stream << getVariantString(roleName, sourceModel->get(row, roleName), depth);
}
return str;
}
QString ModelPrinter::getVariantString(const QVariant& vData) const
{
if (vData.type() == QVariant::List) {
QStringList strList;
for (const auto& v : vData.toList())
strList.append(getVariantString(v));
return '[' + strList.join(", ") + ']';
}
return vData.toString();
}
QString ModelPrinter::getVariantString(const QString& roleName, const QVariant &vData, int depth) const
{
QString str;
QTextStream stream(&str);
if (vData.canConvert(QMetaType::QVariantMap)) {
QMapIterator<QString, QVariant> iter(vData.toMap());
while (iter.hasNext()) {
iter.next();
stream << tabify(depth);
stream << roleName
<< "."
<< iter.key()
<< ": "
<< getVariantString(iter.value())
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
<< Qt::endl;
#else
<< endl;
#endif
}
}
else {
stream << tabify(depth);
stream << roleName
<< ": "
<< getVariantString(vData)
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
<< Qt::endl;
#else
<< endl;
#endif
}
return str;
}