text: /*
  # PostgreSQL Database Modeler (pgModeler)
  #
  # Copyright 2006-2020 - Raphael Araújo e Silva <raphael@pgmodeler.io>
  #
  # This program 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 version 3.
  #
  # This program 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 for more details.
  #
  # The complete text of GPLv3 is at LICENSE file on source code root directory.
  # Also, you can get the complete GNU General Public License at <http://www.gnu.org/licenses/>
  */
  
  /**
  \ingroup libpgmodeler_ui
  \class OperatorClassWidget
  \brief Implements the operations to create/edit operator class via form.
  */
  
  #ifndef OPERATOR_CLASS_WIDGET_H
  #define OPERATOR_CLASS_WIDGET_H
  
  #include "baseobjectwidget.h"
  #include "ui_operatorclasswidget.h"
  #include "pgsqltypewidget.h"
  #include "objectstablewidget.h"
  
  /* Declaring the OperatorClassElement class as a Qt metatype in order to permit
  	 that instances of the class be used as data of QVariant and QMetaType */
  #include <QMetaType>
  Q_DECLARE_METATYPE(OperatorClassElement)
  
  class OperatorClassWidget: public BaseObjectWidget, public Ui::OperatorClassWidget {
  	private:
  		Q_OBJECT
  
  		//! \brief Family, funciton and operator selectors
  		ObjectSelectorWidget *family_sel,
  		*function_sel,
  		*operator_sel,
  		*elem_family_sel;
  
  		PgSQLTypeWidget *data_type,
  		*storage_type;
  
  		//! \brief Stores the elements of operator class
  		ObjectsTableWidget *elements_tab;
  
  	public:
  		OperatorClassWidget(QWidget * parent = nullptr);
  		void setAttributes(DatabaseModel *model, OperationList *op_list, Schema *schema, OperatorClass *op_class);
  
  	private slots:
  		//! \brief Configures the element form according to the passed element type
  		void selectElementType(int elem_type);
  
  		//! \brief Shows the data from the passed element on the element table
  		void showElementData(OperatorClassElement elem, int lin_idx);
  
  		/*! \brief Configures an instance of OperatorClassElement using the data on the form, additionally
  			the configured element  is shown on the specified line on table */
  		void handleElement(int lin_idx);
  
  		//! \brief Fill the form fields with the element data on the specified table line
  		void editElement(int lin_idx);
  
  	public slots:
  		void applyConfiguration();
  };
  
  #endif
  