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/*
modelinspector.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "modelinspector.h"
#include "modelmodel.h"
#include "modelcellmodel.h"
#include "modelcontentproxymodel.h"
#include "selectionmodelmodel.h"
#include <core/remote/serverproxymodel.h>
#include <common/objectbroker.h>
#include <QDebug>
#include <QItemSelectionModel>
#include <QSortFilterProxyModel>
using namespace GammaRay;
ModelInspector::ModelInspector(Probe *probe, QObject *parent)
: ModelInspectorInterface(parent)
, m_probe(probe)
, m_modelModel(nullptr)
, m_selectionModelsModel(new SelectionModelModel(this))
, m_selectionModelsSelectionModel(nullptr)
, m_modelContentSelectionModel(nullptr)
, m_modelContentProxyModel(new ModelContentProxyModel(this))
{
auto modelModelSource = new ModelModel(this);
connect(probe, &Probe::objectCreated, modelModelSource, &ModelModel::objectAdded);
connect(probe, &Probe::objectDestroyed, modelModelSource, &ModelModel::objectRemoved);
auto modelModelProxy = new ServerProxyModel<QSortFilterProxyModel>(this);
modelModelProxy->setSourceModel(modelModelSource);
m_modelModel = modelModelProxy;
probe->registerModel(QStringLiteral("com.kdab.GammaRay.ModelModel"), m_modelModel);
m_modelSelectionModel = ObjectBroker::selectionModel(m_modelModel);
connect(m_modelSelectionModel, &QItemSelectionModel::selectionChanged,
this, &ModelInspector::modelSelected);
connect(probe, &Probe::objectSelected, this, &ModelInspector::objectSelected);
connect(probe, &Probe::objectCreated, m_selectionModelsModel, &SelectionModelModel::objectCreated);
connect(probe, &Probe::objectDestroyed, m_selectionModelsModel, &SelectionModelModel::objectDestroyed);
probe->registerModel(QStringLiteral("com.kdab.GammaRay.SelectionModels"), m_selectionModelsModel);
m_selectionModelsSelectionModel = ObjectBroker::selectionModel(m_selectionModelsModel);
connect(m_selectionModelsSelectionModel, &QItemSelectionModel::selectionChanged,
this, &ModelInspector::selectionModelSelected);
probe->registerModel(QStringLiteral("com.kdab.GammaRay.ModelContent"), m_modelContentProxyModel);
m_modelContentSelectionModel = ObjectBroker::selectionModel(m_modelContentProxyModel);
connect(m_modelContentSelectionModel, &QItemSelectionModel::selectionChanged,
this, &ModelInspector::cellSelectionChanged);
m_cellModel = new ModelCellModel(this);
probe->registerModel(QStringLiteral("com.kdab.GammaRay.ModelCellModel"), m_cellModel);
if (m_probe->needsObjectDiscovery())
connect(m_probe, &Probe::objectCreated, this, &ModelInspector::objectCreated);
}
void ModelInspector::modelSelected(const QItemSelection &selected)
{
QModelIndex index;
if (!selected.isEmpty())
index = selected.first().topLeft();
if (index.isValid()) {
QObject *obj = index.data(ObjectModel::ObjectRole).value<QObject *>();
QAbstractItemModel *model = qobject_cast<QAbstractItemModel *>(obj);
Q_ASSERT(model);
m_selectionModelsModel->setModel(model);
m_modelContentProxyModel->setSourceModel(model);
} else {
m_selectionModelsModel->setModel(nullptr);
m_modelContentProxyModel->setSourceModel(nullptr);
}
// clear the cell info box
setCurrentCellData(ModelCellData());
m_cellModel->setModelIndex(QModelIndex());
m_modelContentSelectionModel->clear();
}
void ModelInspector::objectSelected(QObject *object)
{
if (auto model = qobject_cast<QAbstractItemModel *>(object)) {
if (model == m_modelContentProxyModel->sourceModel())
return;
const auto indexList = m_modelModel->match(m_modelModel->index(0, 0),
ObjectModel::ObjectRole,
QVariant::fromValue<QObject *>(model), 1,
Qt::MatchExactly | Qt::MatchRecursive | Qt::MatchWrap);
if (indexList.isEmpty())
return;
const auto &index = indexList.first();
m_modelSelectionModel->select(index, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
}
if (auto selModel = qobject_cast<QItemSelectionModel *>(object)) {
if (!selModel->model())
return;
objectSelected(const_cast<QAbstractItemModel *>(selModel->model()));
const auto indexList = m_selectionModelsModel->match(m_selectionModelsModel->index(0, 0),
ObjectModel::ObjectRole,
QVariant::fromValue<QObject *>(selModel), 1,
Qt::MatchExactly | Qt::MatchRecursive | Qt::MatchWrap);
if (indexList.isEmpty())
return;
const auto &index = indexList.first();
m_selectionModelsSelectionModel->select(index, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
}
}
void ModelInspector::cellSelectionChanged(const QItemSelection &selection)
{
QModelIndex index;
if (!selection.isEmpty())
index = selection.at(0).topLeft();
const QModelIndex sourceIndex = m_modelContentProxyModel->mapToSource(index);
m_cellModel->setModelIndex(sourceIndex);
if (!sourceIndex.isValid()) {
setCurrentCellData(ModelCellData());
return;
}
ModelCellData cellData;
cellData.row = sourceIndex.row();
cellData.column = sourceIndex.column();
cellData.internalId = QString::number(sourceIndex.internalId());
cellData.internalPtr = Util::addressToString(sourceIndex.internalPointer());
cellData.flags = sourceIndex.flags();
setCurrentCellData(cellData);
}
void ModelInspector::objectCreated(QObject *object)
{
if (!object)
return;
if (auto proxy = qobject_cast<QAbstractProxyModel *>(object))
m_probe->discoverObject(proxy->sourceModel());
}
void ModelInspector::selectionModelSelected(const QItemSelection &selected)
{
QModelIndex idx;
if (!selected.isEmpty())
idx = selected.at(0).topLeft();
if (!idx.isValid()) {
m_modelContentProxyModel->setSelectionModel(nullptr);
return;
}
m_modelContentProxyModel->setSelectionModel(qobject_cast<QItemSelectionModel *>(idx.data(ObjectModel::ObjectRole).value<QObject *>()));
}
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