//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2017 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 "cafPdmUiFieldEditorHelper.h"

#include "cafClassTypeName.h"

#include "cafPdmUiComboBoxEditor.h"
#include "cafPdmUiFieldEditorHandle.h"
#include "cafPdmUiFieldHandle.h"
#include "cafPdmUiListEditor.h"

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
caf::PdmUiFieldEditorHandle* caf::PdmUiFieldEditorHelper::fieldEditorForField(caf::PdmUiFieldHandle* field, const QString& uiConfigName)
{
    caf::PdmUiFieldEditorHandle* fieldEditor = nullptr;

    // If editor type is specified, find in factory
    if (!field->uiEditorTypeName(uiConfigName).isEmpty())
    {
        fieldEditor = caf::Factory<PdmUiFieldEditorHandle, QString>::instance()->create(field->uiEditorTypeName(uiConfigName));
    }
    else
    {
        // Find the default field editor
        QString fieldTypeName = qStringTypeName(*(field->fieldHandle()));

        if (fieldTypeName.indexOf("PdmPtrField") != -1)
        {
            fieldTypeName = caf::PdmUiComboBoxEditor::uiEditorTypeName();
        }
        else if (fieldTypeName.indexOf("PdmPtrArrayField") != -1)
        {
            fieldTypeName = caf::PdmUiListEditor::uiEditorTypeName();
        }
        else if (field->toUiBasedQVariant().type() != QVariant::List)
        {
            // Handle a single value field with valueOptions: Make a combobox

            bool useOptionsOnly = true;
            QList<PdmOptionItemInfo> options = field->valueOptions(&useOptionsOnly);
            CAF_ASSERT(useOptionsOnly); // Not supported

            if (!options.empty())
            {
                fieldTypeName = caf::PdmUiComboBoxEditor::uiEditorTypeName();
            }
        }

        fieldEditor = caf::Factory<PdmUiFieldEditorHandle, QString>::instance()->create(fieldTypeName);
    }

    return fieldEditor;
}