qgsfeaturefilterwidget_p.h

Go to the documentation of this file.

/***************************************************************************
    qgsfeaturefilterwidget.h
     --------------------------------------
    Date                 : 20.9.2019
    Copyright            : (C) 2019 Julien Cabieces
    Email                : julien dot cabieces at oslandia 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 QGSFEATUREFILTERWIDGET_P_H
#define QGSFEATUREFILTERWIDGET_P_H
 
#define SIP_NO_FILE
 
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the QGIS API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
 
#include "ui_qgsfeaturefilterwidget.h"
 
#include "qgsattributeform.h"
 
#include "qgis_gui.h"
#include <QTimer>
 
class QgsVectorLayer;
class QgsAttributeEditorContext;
class QgsSearchWidgetWrapper;
class QgsDualView;
class QgsMessageBar;
 
class GUI_EXPORT QgsFeatureFilterWidget : public QWidget, private Ui::QgsFeatureFilterWidget
{
    Q_OBJECT
 
  public:
 
    explicit QgsFeatureFilterWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    void init( QgsVectorLayer *layer, const QgsAttributeEditorContext &context, QgsDualView *mainView,
               QgsMessageBar *messageBar, int messagebarTimeout );
 
    void setFilterExpression( const QString &filterString,
                              QgsAttributeForm::FilterType type = QgsAttributeForm::ReplaceFilter,
                              bool alwaysShowFilter = false );
 
  public slots:
    void filterShowAll();
    void filterSelected();
    void filterVisible();
    void filterEdited();
 
 
  private slots:
 
    void columnBoxInit();
 
    void storedFilterExpressionBoxInit();
    void storeExpressionButtonInit();
 
    void filterExpressionBuilder();
    void filterQueryChanged( const QString &query );
    void filterQueryAccepted();
 
    void onFilterQueryTextChanged( const QString &value );
 
    void handleStoreFilterExpression();
 
    void saveAsStoredFilterExpression();
 
    void editStoredFilterExpression();
 
    void updateCurrentStoredFilterExpression( );
 
    void filterColumnChanged( QAction *filterAction );
 
  private:
 
    /* replace the search widget with a new one */
    void replaceSearchWidget( QWidget *oldw, QWidget *neww );
 
    QMenu *mFilterColumnsMenu = nullptr;
    QMenu *mStoredFilterExpressionMenu = nullptr;
    QTimer mFilterQueryTimer;
    QgsSearchWidgetWrapper *mCurrentSearchWidgetWrapper = nullptr;
    QgsDualView *mMainView = nullptr;
    QgsVectorLayer *mLayer = nullptr;
    QgsAttributeEditorContext mEditorContext;
    QgsMessageBar *mMessageBar = nullptr;
};
 
#endif // QGSFEATUREFILTERWIDGET_P_H