/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2015-     Statoil ASA
//  Copyright (C) 2015-     Ceetron Solutions AS
//
//  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 "RicLinkViewFeature.h"

#include "RiaApplication.h"

#include "RicLinkVisibleViewsFeature.h"

#include "Rim3dView.h"
#include "RimEclipseContourMapView.h"
#include "RimGridView.h"
#include "RimProject.h"
#include "RimViewLinker.h"
#include "RimViewLinkerCollection.h"

#include "cafSelectionManager.h"

#include <QAction>

CAF_CMD_SOURCE_INIT( RicLinkViewFeature, "RicLinkViewFeature" );

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RicLinkViewFeature::isCommandEnabled()
{
    std::vector<caf::PdmUiItem*>           allSelectedItems;
    std::vector<RimGridView*>              selectedGridViews;
    std::vector<RimEclipseContourMapView*> selectedContourMaps;

    caf::SelectionManager::instance()->selectedItems( allSelectedItems );
    caf::SelectionManager::instance()->objectsByType( &selectedGridViews );
    caf::SelectionManager::instance()->objectsByType( &selectedContourMaps );
    size_t selectedRegularGridViews = selectedGridViews.size() - selectedContourMaps.size();

    if ( selectedGridViews.size() > 1u && selectedRegularGridViews >= 1u &&
         allSelectedItems.size() == selectedGridViews.size() )
    {
        return true;
    }
    else
    {
        // Link only the active view to an existing view link collection.
        Rim3dView* activeView = RiaApplication::instance()->activeReservoirView();
        if ( !activeView ) return false;

        RimProject*    proj       = RiaApplication::instance()->project();
        RimViewLinker* viewLinker = proj->viewLinkerCollection->viewLinker();

        if ( !viewLinker ) return false;

        RimViewController* viewController = activeView->viewController();

        if ( viewController )
        {
            return false;
        }
        else if ( !activeView->isMasterView() )
        {
            return true;
        }
    }
    return false;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RicLinkViewFeature::onActionTriggered( bool isChecked )
{
    std::vector<caf::PdmUiItem*> allSelectedItems;
    std::vector<RimGridView*>    selectedGridViews;

    caf::SelectionManager::instance()->selectedItems( allSelectedItems );
    caf::SelectionManager::instance()->objectsByType( &selectedGridViews );

    if ( selectedGridViews.size() > 1u && allSelectedItems.size() == selectedGridViews.size() )
    {
        RicLinkVisibleViewsFeature::linkViews( selectedGridViews );
    }
    else
    {
        Rim3dView*   activeView = RiaApplication::instance()->activeReservoirView();
        RimGridView* gridView   = dynamic_cast<RimGridView*>( activeView );
        if ( gridView )
        {
            std::vector<RimGridView*> views;
            views.push_back( gridView );
            RicLinkVisibleViewsFeature::linkViews( views );
        }
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RicLinkViewFeature::setupActionLook( QAction* actionToSetup )
{
    std::vector<RimGridView*> selectedGridViews;
    caf::SelectionManager::instance()->objectsByType( &selectedGridViews );
    if ( selectedGridViews.size() > 1u )
    {
        actionToSetup->setText( "Link Selected Views" );
    }
    else
    {
        actionToSetup->setText( "Link View" );
    }
    actionToSetup->setIcon( QIcon( ":/chain.png" ) );
}