/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2016 Statoil ASA
//
//  ResInsight 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 3 of the License, or
//  (at your option) any later version.
//
//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RiuEditPerforationCollectionWidget.h"

#include "RimPerforationCollection.h"

#include "RiuTools.h"

#include "cafCmdFeatureManager.h"
#include "cafPdmUiTableView.h"
#include "cafSelectionManager.h"

#include <QAbstractItemView>
#include <QBoxLayout>
#include <QDialogButtonBox>
#include <QHeaderView>
#include <QMenu>
#include <QTableView>
#include <QWidget>

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiuEditPerforationCollectionWidget::RiuEditPerforationCollectionWidget( QWidget*                  parent,
                                                                        RimPerforationCollection* perforationCollection )
    : QDialog( parent, RiuTools::defaultDialogFlags() )
    , m_perforationCollection( perforationCollection )
{
    setWindowTitle( "Edit Perforation Intervals" );

    QVBoxLayout* dialogLayout = new QVBoxLayout;
    setLayout( dialogLayout );

    m_pdmTableView = new caf::PdmUiTableView( this );
    m_pdmTableView->tableView()->setSelectionMode( QAbstractItemView::ExtendedSelection );
    m_pdmTableView->tableView()->setContextMenuPolicy( Qt::CustomContextMenu );
    m_pdmTableView->enableHeaderText( false );

    connect( m_pdmTableView->tableView(),
             SIGNAL( customContextMenuRequested( QPoint ) ),
             SLOT( customMenuRequested( QPoint ) ) );

    m_pdmTableView->setChildArrayField( &( m_perforationCollection->m_perforations ) );

    QHeaderView* verticalHeader = m_pdmTableView->tableView()->verticalHeader();
    verticalHeader->setSectionResizeMode( QHeaderView::Interactive );
    m_pdmTableView->tableView()->resizeColumnsToContents();

    // Set active child array to be able to use generic delete
    caf::SelectionManager::instance()->setActiveChildArrayFieldHandle( &( m_perforationCollection->m_perforations ) );

    dialogLayout->addWidget( m_pdmTableView );

    // Buttons
    QDialogButtonBox* buttonBox = new QDialogButtonBox( QDialogButtonBox::Close );
    connect( buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
    connect( buttonBox, SIGNAL( rejected() ), this, SLOT( reject() ) );

    dialogLayout->addWidget( buttonBox );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiuEditPerforationCollectionWidget::~RiuEditPerforationCollectionWidget()
{
    m_pdmTableView->setChildArrayField( nullptr );

    caf::SelectionManager::instance()->setActiveChildArrayFieldHandle( nullptr );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuEditPerforationCollectionWidget::customMenuRequested( QPoint pos )
{
    caf::CmdFeatureManager* commandManager = caf::CmdFeatureManager::instance();

    QMenu menu;
    menu.addAction( commandManager->action( "PdmListField_AddItem", "New row" ) );
    menu.addAction( commandManager->action( "PdmListField_DeleteItem", "Delete row" ) );

    // Qt doc: QAbstractScrollArea and its subclasses that map the context menu event to coordinates of the viewport().
    QPoint globalPos = m_pdmTableView->tableView()->viewport()->mapToGlobal( pos );

    menu.exec( globalPos );
}