//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) Ceetron Solutions AS
//
//   This library may be used under the terms of either the GNU General Public License or
//   the GNU Lesser General Public License as follows:
//
//   GNU General Public License Usage
//   This library 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.
//
//   This library 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.
//
//   GNU Lesser General Public License Usage
//   This library is free software; you can redistribute it and/or modify
//   it under the terms of the GNU Lesser General Public License as published by
//   the Free Software Foundation; either version 2.1 of the License, or
//   (at your option) any later version.
//
//   This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
//   for more details.
//
//##################################################################################################

#include "cafPdmUiSelection3dEditorVisualizer.h"

//==================================================================================================
/// 
///
///
//==================================================================================================

#include "cafSelectionManager.h"

namespace caf 
{

//--------------------------------------------------------------------------------------------------
/// The ownerViewer will take over ownership of this class. The ownerViewer is also the viewer distributed to 
/// the 3dEditors created by this class to make them know where to exist.
//--------------------------------------------------------------------------------------------------
PdmUiSelection3dEditorVisualizer::PdmUiSelection3dEditorVisualizer(QWidget* ownerViewer)
    : m_ownerViewer(ownerViewer)
{
    this->setParent(ownerViewer); // Makes this owned by the viewer.
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
PdmUiSelection3dEditorVisualizer::~PdmUiSelection3dEditorVisualizer()
{
    for (const auto& editor: m_active3DEditors)
    {
        delete editor;
    }
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void PdmUiSelection3dEditorVisualizer::updateVisibleEditors()
{
    for (const auto& editor: m_active3DEditors)
    {
        if (editor) editor->updateUi();
    }
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void PdmUiSelection3dEditorVisualizer::onSelectionManagerSelectionChanged( const std::set<int>& changedSelectionLevels )
{
    if (!changedSelectionLevels.count(0)) return;

    for (const auto& editor: m_active3DEditors)
    {
        delete editor;
    }

    m_active3DEditors.clear();

    if (!m_ownerViewer) return;

    std::set<PdmUiItem*> totalSelection;
    for ( int selLevel: changedSelectionLevels )
    {
        std::vector<PdmUiItem*> items;
        caf::SelectionManager::instance()->selectedItems(items, selLevel );
        totalSelection.insert(items.begin(), items.end());
    }

    for (PdmUiItem* item: totalSelection)
    {
        QString editor3dTypeName = item->ui3dEditorTypeName(m_configName);
        if (!editor3dTypeName.isEmpty())
        {
            PdmObjectHandle* itemObject = dynamic_cast<PdmObjectHandle*>(item);
            if ( itemObject )
            {
                // Editor in main view
                {
                    PdmUi3dObjectEditorHandle* editor3d = caf::Factory<PdmUi3dObjectEditorHandle, QString>::instance()->create(editor3dTypeName);
                    editor3d->setViewer(m_ownerViewer, false);
                    editor3d->setPdmObject(itemObject);
                    m_active3DEditors.emplace_back(editor3d);
                    editor3d->updateUi();
                }
                
                QVariant isComparisonActive = m_ownerViewer->property("cafViewer_IsComparisonViewActive");

                // Editor in comparison view
                if (!isComparisonActive.isNull() && isComparisonActive.isValid() && isComparisonActive.toBool())
                {
                    PdmUi3dObjectEditorHandle* editor3d = caf::Factory<PdmUi3dObjectEditorHandle, QString>::instance()->create(editor3dTypeName);
                    editor3d->setViewer(m_ownerViewer, true);
                    editor3d->setPdmObject(itemObject);
                    m_active3DEditors.emplace_back(editor3d);
                    editor3d->updateUi();
                }
            }
        }
    }

    m_ownerViewer->update();
}

} // end namespace caf