qgsnumericformatselectorwidget.h

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/***************************************************************************
    qgsnumericformatselectorwidget.h
    --------------------------------
    begin                : January 2020
    copyright            : (C) 2020 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSNUMERICFORMATSELECTORWIDGET_H
#define QGSNUMERICFORMATSELECTORWIDGET_H
 
#include "ui_qgsnumericformatselectorbase.h"
 
#include <memory>
 
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsguiutils.h"
 
#include <QDialog>
 
class QgsNumericFormat;
class QgsBasicNumericFormat;
class QgsExpressionContextGenerator;
class QDialogButtonBox;

class GUI_EXPORT QgsNumericFormatSelectorWidget : public QgsPanelWidget, private Ui::QgsNumericFormatSelectorBase
{
    Q_OBJECT
 
  public:
    QgsNumericFormatSelectorWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    ~QgsNumericFormatSelectorWidget() override;

    void setFormat( const QgsNumericFormat *format );

    QgsNumericFormat *format() const SIP_TRANSFERBACK;

    void registerExpressionContextGenerator( QgsExpressionContextGenerator *generator );
 
  signals:

    void changed();
 
  private slots:
    void formatTypeChanged();
    void formatChanged();
 
  private:
    void populateTypes();
    void updateFormatWidget();
    void updateSampleText();
 
    std::unique_ptr<QgsNumericFormat> mCurrentFormat;
    std::unique_ptr<QgsBasicNumericFormat> mPreviewFormat;
 
    QgsExpressionContextGenerator *mExpressionContextGenerator = nullptr;
};
 

class GUI_EXPORT QgsNumericFormatSelectorDialog : public QDialog
{
    Q_OBJECT
 
  public:
    QgsNumericFormatSelectorDialog( QWidget *parent SIP_TRANSFERTHIS = nullptr, Qt::WindowFlags flags = QgsGuiUtils::ModalDialogFlags );

    void setFormat( const QgsNumericFormat *format );

    QgsNumericFormat *format() const SIP_TRANSFERBACK;

    void registerExpressionContextGenerator( QgsExpressionContextGenerator *generator );
 
  private:
    QgsNumericFormatSelectorWidget *mFormatWidget = nullptr;
    QDialogButtonBox *mButtonBox = nullptr;
};
 
#endif //QGSNUMERICFORMATSELECTORWIDGET_H