qgsprocessingfeaturesourceoptionswidget.cpp

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/***************************************************************************
                             qgsprocessingfeaturesourceoptionswidget.cpp
                             ------------------------------------
    Date                 : March 2020
    Copyright            : (C) 2020 Nyall Dawson
    Email                : nyall dot dawson at gmail 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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgsprocessingfeaturesourceoptionswidget.h"
#include "qgis.h"
 
 
QgsProcessingFeatureSourceOptionsWidget::QgsProcessingFeatureSourceOptionsWidget( QWidget *parent )
  : QgsPanelWidget( parent )
{
  setupUi( this );
 
  mFeatureLimitSpinBox->setClearValue( 0, tr( "Not set" ) );
  mFeatureLimitSpinBox->clear();
 
  mComboInvalidFeatureFiltering->addItem( tr( "Use Default" ) );
  mComboInvalidFeatureFiltering->addItem( tr( "Do not Filter (Better Performance)" ), QgsFeatureRequest::GeometryNoCheck );
  mComboInvalidFeatureFiltering->addItem( tr( "Skip (Ignore) Features with Invalid Geometries" ), QgsFeatureRequest::GeometrySkipInvalid );
  mComboInvalidFeatureFiltering->addItem( tr( "Stop Algorithm Execution When a Geometry is Invalid" ), QgsFeatureRequest::GeometryAbortOnInvalid );
 
  connect( mFeatureLimitSpinBox, qOverload<int>( &QSpinBox::valueChanged ), this, &QgsPanelWidget::widgetChanged );
  connect( mComboInvalidFeatureFiltering, qOverload<int>( &QComboBox::currentIndexChanged ), this, &QgsPanelWidget::widgetChanged );
  connect( mFilterExpressionWidget, &QgsExpressionLineEdit::expressionChanged, this, &QgsPanelWidget::widgetChanged );
}
 
void QgsProcessingFeatureSourceOptionsWidget::setLayer( QgsVectorLayer *layer )
{
  mFilterExpressionWidget->setLayer( layer );
}
 
void QgsProcessingFeatureSourceOptionsWidget::setGeometryCheckMethod( bool isOverridden, QgsFeatureRequest::InvalidGeometryCheck check )
{
  if ( !isOverridden )
    mComboInvalidFeatureFiltering->setCurrentIndex( mComboInvalidFeatureFiltering->findData( QVariant() ) );
  else
    mComboInvalidFeatureFiltering->setCurrentIndex( mComboInvalidFeatureFiltering->findData( check ) );
}
 
void QgsProcessingFeatureSourceOptionsWidget::setFeatureLimit( int limit )
{
  mFeatureLimitSpinBox->setValue( limit );
}
 
void QgsProcessingFeatureSourceOptionsWidget::setFilterExpression( const QString &expression )
{
  mFilterExpressionWidget->setExpression( expression );
}
 
QgsFeatureRequest::InvalidGeometryCheck QgsProcessingFeatureSourceOptionsWidget::geometryCheckMethod() const
{
  return mComboInvalidFeatureFiltering->currentData().isValid() ? static_cast< QgsFeatureRequest::InvalidGeometryCheck >( mComboInvalidFeatureFiltering->currentData().toInt() ) : QgsFeatureRequest::GeometryAbortOnInvalid;
}
 
bool QgsProcessingFeatureSourceOptionsWidget::isOverridingInvalidGeometryCheck() const
{
  return mComboInvalidFeatureFiltering->currentData().isValid();
}
 
int QgsProcessingFeatureSourceOptionsWidget::featureLimit() const
{
  return mFeatureLimitSpinBox->value() > 0 ? mFeatureLimitSpinBox->value() : -1;
}
 
QString QgsProcessingFeatureSourceOptionsWidget::filterExpression() const
{
  return mFilterExpressionWidget->expression();
}