File: clienttoolmodel.cpp

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/*
  clienttoolmodel.cpp

  This file is part of GammaRay, the Qt application inspection and
  manipulation tool.

  Copyright (C) 2016-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Volker Krause <volker.krause@kdab.com>

  Licensees holding valid commercial KDAB GammaRay licenses may use this file in
  accordance with GammaRay Commercial License Agreement provided with the Software.

  Contact info@kdab.com if any conditions of this licensing are not clear to you.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "clienttoolmodel.h"
#include "clienttoolmanager.h"

#include <common/endpoint.h>
#include <common/modelroles.h>

#include <QWidget>

using namespace GammaRay;

ClientToolModel::ClientToolModel(ClientToolManager *manager)
    : QAbstractListModel(manager)
    , m_toolManager(manager)
{
    connect(m_toolManager, SIGNAL(aboutToReceiveData()), this, SLOT(startReset()));
    connect(m_toolManager, SIGNAL(toolListAvailable()), this, SLOT(finishReset()));
    connect(m_toolManager, SIGNAL(aboutToReset()), this, SLOT(startReset()));
    connect(m_toolManager, SIGNAL(reset()), this, SLOT(finishReset()));
    connect(m_toolManager, SIGNAL(toolEnabledByIndex(int)), this, SLOT(toolEnabled(int)));
}

ClientToolModel::~ClientToolModel()
{
}

QVariant ClientToolModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid())
        return QVariant();

    const ToolInfo &tool = m_toolManager->tools().at(index.row());
    switch (role) {
        case Qt::DisplayRole:
            return tool.name();
        case ToolModelRole::ToolId:
            return tool.id();
        case ToolModelRole::ToolWidget:
            return QVariant::fromValue(m_toolManager->widgetForIndex(index.row()));
        case Qt::ToolTipRole:
            if (!tool.remotingSupported() && Endpoint::instance()->isRemoteClient())
                return tr("This tool does not work in out-of-process mode.");
            return QVariant();
        case ToolModelRole::ToolEnabled:
            return tool.isEnabled();
        case ToolModelRole::ToolHasUi:
            return tool.hasUi();
        case ToolModelRole::ToolFeedbackId:
        {
            auto id = tool.id().toLower();
            if (id.startsWith(QLatin1String("gammaray_")))
                id = id.mid(9);
            else if (id.startsWith(QLatin1String("gammaray::")))
                id = id.mid(10);
            return id;
        }
    }
    return QVariant();
}

void ClientToolModel::toolEnabled(int toolIndex)
{
    QModelIndex i = index(toolIndex, 0);
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
    emit dataChanged(i, i);
#else
    emit dataChanged(i, i, QVector<int>() << ToolModelRole::ToolEnabled);
#endif
}

void ClientToolModel::startReset()
{
    beginResetModel();
}

void ClientToolModel::finishReset()
{
    endResetModel();
}

Qt::ItemFlags ClientToolModel::flags(const QModelIndex &index) const
{
    Qt::ItemFlags flags = QAbstractListModel::flags(index);
    if (!index.isValid())
        return flags;

    const auto &tool = m_toolManager->tools().at(index.row());
    if (!tool.isEnabled() || (!tool.remotingSupported() && Endpoint::instance()->isRemoteClient()))
        flags &= ~(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
    return flags;
}

int ClientToolModel::rowCount(const QModelIndex &parent) const
{
    if (parent.isValid())
        return 0;
    return m_toolManager->tools().count();
}


ClientToolSelectionModel::ClientToolSelectionModel(ClientToolManager *manager)
    : QItemSelectionModel(manager->model())
    , m_toolManager(manager)
{
    connect(manager, SIGNAL(toolSelectedByIndex(int)), this, SLOT(selectTool(int)));
    connect(manager, SIGNAL(toolListAvailable()), this, SLOT(selectDefaultTool()));
}

ClientToolSelectionModel::~ClientToolSelectionModel()
{
}

void ClientToolSelectionModel::selectTool(int index)
{
    select(model()->index(index, 0), QItemSelectionModel::Select
           | QItemSelectionModel::Clear
           | QItemSelectionModel::Rows
           | QItemSelectionModel::Current);
}

void ClientToolSelectionModel::selectDefaultTool()
{
    selectTool(m_toolManager->toolIndexForToolId(QStringLiteral("GammaRay::ObjectInspector")));
}