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

  Copyright (C) 2010-2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Kevin Funk <kevin.funk@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 "actioninspectorwidget.h"
#include "ui_actioninspectorwidget.h"
#include "actionmodel.h" // for column enum only
#include "clientactionmodel.h"

#include <ui/contextmenuextension.h>
#include <ui/searchlinecontroller.h>

#include <common/objectbroker.h>
#include <common/objectid.h>
#include <common/endpoint.h>

#include <QDebug>
#include <QMenu>

using namespace GammaRay;

ActionInspectorWidget::ActionInspectorWidget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::ActionInspectorWidget)
    , m_stateManager(this)
{
    setObjectName("ActionInspectorWidget");
    ui->setupUi(this);

    auto sourceModel = ObjectBroker::model(QStringLiteral("com.kdab.GammaRay.ActionModel"));
    auto actionModel = new ClientActionModel(this);
    actionModel->setSourceModel(sourceModel);

    new SearchLineController(ui->actionSearchLine, sourceModel);

    ui->actionView->header()->setObjectName("objectTreeViewHeader");
    ui->actionView->setDeferredResizeMode(0, QHeaderView::ResizeToContents);
    ui->actionView->setDeferredResizeMode(2, QHeaderView::ResizeToContents);
    ui->actionView->setDeferredResizeMode(3, QHeaderView::ResizeToContents);
    ui->actionView->setDeferredResizeMode(4, QHeaderView::ResizeToContents);
    ui->actionView->setModel(actionModel);
    ui->actionView->sortByColumn(ActionModel::ShortcutsPropColumn);
    connect(ui->actionView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenu(QPoint)));

    auto selectionModel = ObjectBroker::selectionModel(actionModel);
    ui->actionView->setSelectionModel(selectionModel);
    connect(selectionModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(selectionChanged(QItemSelection)));

    m_stateManager.setDefaultSizes(ui->actionView->header(), UISizeVector() << -1 << 200 << -1 << -1 << -1 << 200);
    connect(ui->actionView, SIGNAL(doubleClicked(QModelIndex)), SLOT(triggerAction(QModelIndex)));
}

ActionInspectorWidget::~ActionInspectorWidget()
{
}

void ActionInspectorWidget::triggerAction(const QModelIndex &index)
{
    if (!index.isValid())
        return;

    Endpoint::instance()->invokeObject(QStringLiteral(
                                           "com.kdab.GammaRay.ActionInspector"), "triggerAction",
                                       QVariantList() << index.row());
}

void ActionInspectorWidget::contextMenu(QPoint pos)
{
    auto index = ui->actionView->indexAt(pos);
    if (!index.isValid())
        return;
    index = index.sibling(index.row(), 0);

    const auto objectId = index.data(ActionModel::ObjectIdRole).value<ObjectId>();
    if (objectId.isNull())
        return;

    QMenu menu;
    ContextMenuExtension ext(objectId);
    ext.populateMenu(&menu);
    menu.exec(ui->actionView->viewport()->mapToGlobal(pos));
}

void ActionInspectorWidget::selectionChanged(const QItemSelection& selection)
{
    if (selection.isEmpty())
        return;
    const auto idx = selection.at(0).topLeft();
    ui->actionView->scrollTo(idx);
}

#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
Q_EXPORT_PLUGIN(ActionInspectorUiFactory)
#endif
