qgsprojectionselectiondialog.h

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/***************************************************************************
                          qgsgenericprojectionselector.h
                Set user defined projection using projection selector widget
                             -------------------
    begin                : May 28, 2004
    copyright            : (C) 2004 by Gary E.Sherman
    email                : sherman at mrcc.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 QGSGENERICPROJECTIONSELECTOR_H
#define QGSGENERICPROJECTIONSELECTOR_H
#include "ui_qgsgenericprojectionselectorbase.h"
#include "qgis_sip.h"
#include "qgsguiutils.h"
 
#include <QSet>
#include <QDialog>
 
#include "qgis_gui.h"
#include "qgscoordinatereferencesystem.h"
 
class QDialogButtonBox;
 
class GUI_EXPORT QgsCrsSelectionWidget : public QgsPanelWidget, private Ui::QgsGenericProjectionSelectorBase
{
    Q_OBJECT
  public:
 
    QgsCrsSelectionWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    ~QgsCrsSelectionWidget() override;
 
    QgsCoordinateReferenceSystem crs() const;
 
    void setMessage( const QString &message );
 
    void setShowNoCrs( bool show );
 
    bool showNoCrs() const;
 
    void setNotSetText( const QString &text, const QString &description = QString() );
 
    bool hasValidSelection() const;
 
  public slots:
 
    void setCrs( const QgsCoordinateReferenceSystem &crs );
 
    void setOgcWmsCrsFilter( const QSet<QString> &crsFilter );
 
  signals:
 
    void crsChanged();
 
    void crsDoubleClicked( const QgsCoordinateReferenceSystem &crs );
 
    void hasValidSelectionChanged( bool isValid );
 
  private:
 
    enum class CrsType
    {
      Predefined, 
      Custom, 
    };
 
    QString mNotSetText;
    bool mShowNoCrsOption = false;
    bool mDeferredInvalidCrsSet = false;
    int mBlockSignals = 0;
 
};
 
 
 
class GUI_EXPORT QgsProjectionSelectionDialog : public QDialog
{
    Q_OBJECT
  public:
 
    QgsProjectionSelectionDialog( QWidget *parent SIP_TRANSFERTHIS = nullptr,
                                  Qt::WindowFlags fl = QgsGuiUtils::ModalDialogFlags );
 
    QgsCoordinateReferenceSystem crs() const;
 
    void setMessage( const QString &message );
 
    void showNoCrsForLayerMessage();
 
    void setShowNoProjection( bool show );
 
    bool showNoProjection() const;
 
    void setNotSetText( const QString &text, const QString &description = QString() );
 
    void setRequireValidSelection();
 
    bool hasValidSelection() const;
 
  public slots:
 
    void setCrs( const QgsCoordinateReferenceSystem &crs );
 
    void setOgcWmsCrsFilter( const QSet<QString> &crsFilter );
 
  private slots:
 
    void showHelp();
 
  private:
 
    QDialogButtonBox *mButtonBox = nullptr;
    QgsCrsSelectionWidget *mCrsWidget = nullptr;
 
    bool mRequireValidSelection = false;
};
 
#endif // #ifndef QGSLAYERCRSSELECTOR_H