/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/gui/processing/qgsprocessingaggregatewidgets.h                   *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.py again   *
 ************************************************************************/






class QgsAggregateMappingModel : QAbstractTableModel
{
%Docstring(signature="appended")
The :py:class:`QgsAggregateMappingModel` holds mapping information for
defining sets of aggregates of fields from a :py:class:`QgsFields`
object.

.. versionadded:: 3.14
%End

%TypeHeaderCode
#include "qgsprocessingaggregatewidgets.h"
%End
  public:
    enum class ColumnDataIndex
    {
      SourceExpression,
      Aggregate,
      Delimiter,
      DestinationName,
      DestinationType,
      DestinationLength,
      DestinationPrecision,
    };


    struct Aggregate
    {
        QString source;

        QString aggregate;

        QString delimiter;

        QgsField field;
    };

    QgsAggregateMappingModel( const QgsFields &sourceFields = QgsFields(), QObject *parent = 0 );
%Docstring
Constructs a QgsAggregateMappingModel from a set of ``sourceFields``. A
``parent`` object can be also specified.
%End

    QgsFields sourceFields() const;
%Docstring
Returns a list of source fields
%End

    QList<QgsAggregateMappingModel::Aggregate> mapping() const;
%Docstring
Returns a list of Aggregate objects representing the current status of
the model
%End

    void setMapping( const QList<QgsAggregateMappingModel::Aggregate> &mapping );
%Docstring
Sets the ``mapping`` to show in the model.
%End

    void appendField( const QgsField &field, const QString &source = QString(), const QString &aggregate = QString() );
%Docstring
Appends a new ``field`` to the model, with an optional ``source`` and
``aggregate``
%End

    bool removeField( const QModelIndex &index );
%Docstring
Removes the field at ``index`` from the model, returns ``True`` on
success
%End

    bool moveUp( const QModelIndex &index );
%Docstring
Moves down the field at ``index``
%End

    bool moveDown( const QModelIndex &index );
%Docstring
Moves up the field at ``index``
%End

    void setSourceFields( const QgsFields &sourceFields );
%Docstring
Set source fields to ``sourceFields``
%End

    QgsExpressionContextGenerator *contextGenerator() const;
%Docstring
Returns the context generator with the source fields
%End

    void setBaseExpressionContextGenerator( const QgsExpressionContextGenerator *generator );
%Docstring
Sets the base expression context ``generator``, which will generate the
expression contexts for expression based widgets used by the model.
%End

    virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const;

    virtual int columnCount( const QModelIndex &parent = QModelIndex() ) const;

    virtual QVariant data( const QModelIndex &index, int role ) const;

    virtual QVariant headerData( int section, Qt::Orientation orientation, int role ) const;

    virtual Qt::ItemFlags flags( const QModelIndex &index ) const;

    virtual bool setData( const QModelIndex &index, const QVariant &value, int role );


};

class QgsAggregateMappingWidget : QgsPanelWidget
{
%Docstring(signature="appended")
The :py:class:`QgsAggregateMappingWidget` class creates a mapping for
defining sets of aggregates of fields from a :py:class:`QgsFields`
object.

.. versionadded:: 3.14
%End

%TypeHeaderCode
#include "qgsprocessingaggregatewidgets.h"
%End
  public:
    explicit QgsAggregateMappingWidget( QWidget *parent = 0, const QgsFields &sourceFields = QgsFields() );
%Docstring
Constructs a QgsAggregateMappingWidget from a set of ``sourceFields``. A
``parent`` object can also be specified.
%End

    QgsAggregateMappingModel *model() const;
%Docstring
Returns the underlying mapping model
%End

    QList<QgsAggregateMappingModel::Aggregate> mapping() const;
%Docstring
Returns a list of Aggregate objects representing the current status of
the underlying mapping model
%End

    void setMapping( const QList<QgsAggregateMappingModel::Aggregate> &mapping );
%Docstring
Sets the ``mapping`` to show in the model.
%End

    QItemSelectionModel *selectionModel();
%Docstring
Returns the selection model
%End

    void setSourceFields( const QgsFields &sourceFields );
%Docstring
Set source fields of the underlying mapping model to ``sourceFields``
%End

    void setSourceLayer( QgsVectorLayer *layer );
%Docstring
Sets a source ``layer`` to use when generating expression previews in
the widget.

.. versionadded:: 3.16
%End

    QgsVectorLayer *sourceLayer();
%Docstring
Returns the source layer for use when generating expression previews.

Returned value may be ``None``.

.. versionadded:: 3.16
%End

    void scrollTo( const QModelIndex &index ) const;
%Docstring
Scroll the fields view to ``index``
%End

    void registerExpressionContextGenerator( const QgsExpressionContextGenerator *generator );
%Docstring
Register an expression context ``generator`` class that will be used to
retrieve an expression context for the widget.
%End

  signals:

    void changed();
%Docstring
Emitted when the aggregates defined in the widget are changed.
%End

  public slots:

    void appendField( const QgsField &field, const QString &source = QString(), const QString &aggregate = QString() );
%Docstring
Appends a new ``field`` to the model, with an optional ``source`` and
``aggregate``
%End

    bool removeSelectedFields();
%Docstring
Removes the currently selected field from the model
%End

    bool moveSelectedFieldsUp();
%Docstring
Moves up currently selected field
%End

    bool moveSelectedFieldsDown();
%Docstring
Moves down currently selected field
%End

};




/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/gui/processing/qgsprocessingaggregatewidgets.h                   *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.py again   *
 ************************************************************************/