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/*
quickitemtreewatcher.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2014 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 "quickitemtreewatcher.h"
#include "quickitemmodelroles.h"
#include <QAbstractItemModel>
#include <QTreeView>
using namespace GammaRay;
QuickItemTreeWatcher::QuickItemTreeWatcher(QTreeView *itemView, QTreeView *sgView, QObject *parent)
: QObject(parent)
, m_itemView(itemView)
, m_sgView(sgView)
{
connect(itemView->model(), &QAbstractItemModel::rowsInserted,
this, &QuickItemTreeWatcher::itemModelRowsInserted);
connect(sgView->model(), &QAbstractItemModel::rowsInserted,
this, &QuickItemTreeWatcher::sgModelRowsInserted);
}
QuickItemTreeWatcher::~QuickItemTreeWatcher() = default;
void QuickItemTreeWatcher::itemModelRowsInserted(const QModelIndex &parent, int start, int end)
{
if (parent.isValid() && !m_itemView->isExpanded(parent))
return;
const int siblingCount = m_itemView->model()->rowCount(parent);
for (int row = start; row <= end; ++row) {
const QModelIndex index = m_itemView->model()->index(row, 0, parent);
const bool invisible = index.data(QuickItemModelRole::ItemFlags).value<int>()
& (QuickItemModelRole::Invisible | QuickItemModelRole::ZeroSize);
if (!invisible && siblingCount < 5)
m_itemView->setExpanded(index, true);
}
m_itemView->resizeColumnToContents(0);
}
void QuickItemTreeWatcher::sgModelRowsInserted(const QModelIndex &parent, int start, int end)
{
if (parent.isValid() && !m_sgView->isExpanded(parent))
return;
const int siblingCount = m_sgView->model()->rowCount(parent);
for (int row = start; row <= end; ++row) {
const QModelIndex index = m_sgView->model()->index(row, 0, parent);
if (siblingCount < 5)
m_sgView->setExpanded(index, true);
}
m_sgView->resizeColumnToContents(0);
}
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