qgsdatetimeedit.h

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/***************************************************************************
    qgsdatetimeedit.h
     --------------------------------------
    Date                 : 08.2014
    Copyright            : (C) 2014 Denis Rouzaud
    Email                : [email protected]
 ***************************************************************************
 *                                                                         *
 *   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 QGSDATETIMEEDIT_H
#define QGSDATETIMEEDIT_H
 
#include "qgis_gui.h"
#include "qgis_sip.h"
 
#include <QDateTimeEdit>

class GUI_EXPORT QgsDateTimeEdit : public QDateTimeEdit
{
    Q_OBJECT
    Q_PROPERTY( bool allowNull READ allowNull WRITE setAllowNull )
 
  public:
    explicit QgsDateTimeEdit( QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setAllowNull( bool allowNull );

    bool allowNull() const { return mAllowNull; }

    void setDateTime( const QDateTime &dateTime );

    QDateTime dateTime() const;

    QTime time() const;

    QDate date() const;

    void clear() override;

    void setEmpty();

    QString nullRepresentation() const;

    void setNullRepresentation( const QString &null );

    bool event( QEvent *event ) override;
 
  signals:

    void valueChanged( const QDateTime &date );
 
  protected:
    void mousePressEvent( QMouseEvent *event ) override;
    void focusOutEvent( QFocusEvent *event ) override;
    void focusInEvent( QFocusEvent *event ) override;
    void wheelEvent( QWheelEvent *event ) override;
    void showEvent( QShowEvent *event ) override;
 
#ifndef SIP_RUN
#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
    QgsDateTimeEdit( const QVariant &var, QMetaType::Type parserType, QWidget *parent );
#else
    QgsDateTimeEdit( const QVariant &var, QMetaType::Type parserType, QWidget *parent );
#endif
#endif

    bool mIsEmpty = false;

    int mBlockChangedSignal = 0;

    void displayNull( bool updateCalendar = false );

    virtual void emitValueChanged( const QVariant &value );

    bool isNull() const;
 
  protected slots:
#ifndef SIP_RUN
    void changed( const QVariant &dateTime );
#endif
 
 
  private:
    bool mCurrentPressEvent = false;
 
    QString mOriginalStyleSheet = QString();
    QAction *mClearAction;
    QString mNullRepresentation;

    bool mAllowNull = true;

    bool mIsNull = false;

    void displayCurrentDate();

    void resetBeforeChange( int delta );

    void setMinimumEditDateTime();
 
    friend class TestQgsDateTimeEdit;
};
 

class GUI_EXPORT QgsTimeEdit : public QgsDateTimeEdit
{
    Q_OBJECT
 
  public:
    explicit QgsTimeEdit( QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setTime( const QTime &time );
 
  signals:

    void timeValueChanged( const QTime &time );
 
  protected:
    void emitValueChanged( const QVariant &value ) override;
};

class GUI_EXPORT QgsDateEdit : public QgsDateTimeEdit
{
    Q_OBJECT
 
  public:
    explicit QgsDateEdit( QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setDate( const QDate &date );
 
  signals:

    void dateValueChanged( const QDate &date );
 
  protected:
    void emitValueChanged( const QVariant &value ) override;
};
 
#endif // QGSDATETIMEEDIT_H