Exemplos de QgsFieldExpressionWidget::registerExpressionContextGenerator em C++ (Cpp)

Exemplo n.º 1

Arquivo: qgsattributeselectiondialog.cpp Projeto: cz172638/QGIS

QWidget *QgsComposerColumnSourceDelegate::createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const
{
  Q_UNUSED( option );
  Q_UNUSED( index );

  QgsFieldExpressionWidget *fieldExpression = new QgsFieldExpressionWidget( parent );
  fieldExpression->setLayer( mVectorLayer );
  fieldExpression->registerExpressionContextGenerator( this );

  //listen out for field changes
  connect( fieldExpression, static_cast < void ( QgsFieldExpressionWidget::* )( const QString & ) >( &QgsFieldExpressionWidget::fieldChanged ), this, [ = ] { const_cast< QgsComposerColumnSourceDelegate * >( this )->commitAndCloseEditor(); } );
  return fieldExpression;
}

Exemplo n.º 2

Arquivo: qgsattributeselectiondialog.cpp Projeto: GrokImageCompression/QGIS

QWidget* QgsComposerColumnSourceDelegate::createEditor( QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index ) const
{
  Q_UNUSED( option );
  Q_UNUSED( index );

  QgsFieldExpressionWidget *fieldExpression = new QgsFieldExpressionWidget( parent );
  fieldExpression->setLayer( mVectorLayer );
  fieldExpression->registerExpressionContextGenerator( this );

  //listen out for field changes
  connect( fieldExpression, SIGNAL( fieldChanged( QString ) ), this, SLOT( commitAndCloseEditor() ) );
  return fieldExpression;
}