qgsfeaturerequest.cpp

Go to the documentation of this file.

/***************************************************************************
    qgsfeaturerequest.cpp
    ---------------------
    begin                : Mai 2012
    copyright            : (C) 2012 by Martin Dobias
    email                : wonder dot sk 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 "qgsfeaturerequest.h"

#include "qgsfield.h"

#include <QStringList>

QgsFeatureRequest::QgsFeatureRequest()
    : mFilter( FilterNone )
    , mFlags( 0 )
{
}

QgsFeatureRequest::QgsFeatureRequest( QgsFeatureId fid )
    : mFilter( FilterFid )
    , mFilterFid( fid )
    , mFlags( 0 )
{
}

QgsFeatureRequest::QgsFeatureRequest( const QgsRectangle& rect )
    : mFilter( FilterRect )
    , mFilterRect( rect )
    , mFlags( 0 )
{
}

QgsFeatureRequest::QgsFeatureRequest( const QgsFeatureRequest &rh )
{
  mFlags = rh.mFlags;
  mFilter = rh.mFilter;
  mFilterRect = rh.mFilterRect;
  mFilterFid = rh.mFilterFid;
  mAttrs = rh.mAttrs;
}


QgsFeatureRequest& QgsFeatureRequest::setFilterRect( const QgsRectangle& rect )
{
  mFilter = FilterRect;
  mFilterRect = rect;
  return *this;
}

QgsFeatureRequest& QgsFeatureRequest::setFilterFid( QgsFeatureId fid )
{
  mFilter = FilterFid;
  mFilterFid = fid;
  return *this;
}

QgsFeatureRequest& QgsFeatureRequest::setFlags( QgsFeatureRequest::Flags flags )
{
  mFlags = flags;
  return *this;
}

QgsFeatureRequest& QgsFeatureRequest::setSubsetOfAttributes( const QgsAttributeList& attrs )
{
  mFlags |= SubsetOfAttributes;
  mAttrs = attrs;
  return *this;
}


QgsFeatureRequest& QgsFeatureRequest::setSubsetOfAttributes( const QStringList& attrNames, const QgsFields& fields )
{
  mFlags |= SubsetOfAttributes;
  mAttrs.clear();

  for ( int idx = 0; idx < fields.count(); ++idx )
  {
    if ( attrNames.contains( fields[idx].name() ) )
      mAttrs.append( idx );
  }

  return *this;
}