//##################################################################################################
//
//   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 "cafPdmUiTableView.h"

#include "cafPdmChildArrayField.h"
#include "cafPdmObject.h"
#include "cafPdmUiTableViewEditor.h"
#include "cafSelectionManager.h"

#include <QVBoxLayout>
#include "cafPdmUiCommandSystemProxy.h"
#include <QTableView>


namespace caf
{


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
PdmUiTableView::PdmUiTableView(QWidget* parent, Qt::WindowFlags f)
    : QWidget (parent, f)
{
    QVBoxLayout* layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(0);

    setLayout(layout);

    m_listViewEditor = new PdmUiTableViewEditor();
    
    m_listViewEditor->createWidgets(this);

    {
        QWidget* widget = m_listViewEditor->labelWidget();
        layout->addWidget(widget);
    }

    {
        QWidget* widget = m_listViewEditor->editorWidget();
        layout->addWidget(widget);
    }
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
PdmUiTableView::~PdmUiTableView()
{
    if (m_listViewEditor) delete m_listViewEditor;
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void PdmUiTableView::setChildArrayField(PdmChildArrayFieldHandle* childArrayField)
{
    CAF_ASSERT(m_listViewEditor);

    if (childArrayField)
    {
        // Keep the possible custom context menu setting from the user of the table view.
        // setUIField will set it based on the PdmUIItem settings, but turning the custom menu off should not 
        // be respected when using the field in a separate view. 
        auto orgContextPolicy = m_listViewEditor->tableView()->contextMenuPolicy();
        
        m_listViewEditor->setUiField(childArrayField->uiCapability());

        auto newContextPolicy = m_listViewEditor->tableView()->contextMenuPolicy();
        if (newContextPolicy == Qt::DefaultContextMenu)
        {
            m_listViewEditor->tableView()->setContextMenuPolicy(orgContextPolicy);
        }
    }
    else
    {
        m_listViewEditor->setUiField(nullptr);
    }

    // SIG_CAF_HACK
    m_listViewEditor->updateUi(m_uiConfigName);
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
// SIG_CAF_HACK
void PdmUiTableView::setUiConfigurationName(QString uiConfigName)
{
    if (uiConfigName != m_uiConfigName)
    {
        m_uiConfigName = uiConfigName;
        m_listViewEditor->updateUi(uiConfigName);
    }
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
QTableView* PdmUiTableView::tableView()
{
    CAF_ASSERT(m_listViewEditor);

    return m_listViewEditor->tableView();
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void PdmUiTableView::enableHeaderText(bool enable)
{
    m_listViewEditor->enableHeaderText(enable);
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTableView::setTableSelectionLevel(int selectionLevel)
{
    m_listViewEditor->setTableSelectionLevel(selectionLevel);
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void PdmUiTableView::setRowSelectionLevel(int selectionLevel)
{
    m_listViewEditor->setRowSelectionLevel(selectionLevel);
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
PdmObjectHandle* PdmUiTableView::pdmObjectFromModelIndex(const QModelIndex& mi)
{
    return m_listViewEditor->pdmObjectFromModelIndex(mi);
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void PdmUiTableView::addActionsToMenu(QMenu* menu, PdmChildArrayFieldHandle* childArrayField)
{
    // This is function is required to execute before populating the menu
    // Several commands rely on the activeChildArrayFieldHandle in the selection manager
    SelectionManager::instance()->setActiveChildArrayFieldHandle(childArrayField);

    caf::PdmUiCommandSystemProxy::instance()->populateMenuWithDefaultCommands("PdmUiTreeViewEditor", menu);
}


} //End of namespace caf