qgseditorwidgetfactory.cpp

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/***************************************************************************
    qgseditorwidgetfactory.cpp
     --------------------------------------
    Date                 : 21.4.2013
    Copyright            : (C) 2013 Matthias Kuhn
    Email                : matthias at opengis dot ch
 ***************************************************************************
 *                                                                         *
 *   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 "qgseditorwidgetfactory.h"
#include "qgsdefaultsearchwidgetwrapper.h"
#include "qgssearchwidgetwrapper.h"
#include "qgsfield.h"
#include "qgsvectordataprovider.h"

#include <QSettings>

class QgsDefaultSearchWidgetWrapper;

QgsEditorWidgetFactory::QgsEditorWidgetFactory( const QString& name )
    : mName( name )
{
}

QgsEditorWidgetFactory::~QgsEditorWidgetFactory()
{
}

QgsSearchWidgetWrapper* QgsEditorWidgetFactory::createSearchWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* parent ) const
{
  return new QgsDefaultSearchWidgetWrapper( vl, fieldIdx, parent );
}

QString QgsEditorWidgetFactory::name()
{
  return mName;
}

QgsEditorWidgetConfig QgsEditorWidgetFactory::readEditorConfig( const QDomElement& configElement, QgsVectorLayer* layer, int fieldIdx )
{
  return readConfig( configElement, layer, fieldIdx );
}

void QgsEditorWidgetFactory::writeConfig( const QgsEditorWidgetConfig& config, QDomElement& configElement, QDomDocument& doc, const QgsVectorLayer* layer, int fieldIdx )
{
  Q_UNUSED( config );
  Q_UNUSED( configElement );
  Q_UNUSED( doc );
  Q_UNUSED( layer );
  Q_UNUSED( fieldIdx );
}

QString QgsEditorWidgetFactory::representValue( QgsVectorLayer* vl, int fieldIdx, const QgsEditorWidgetConfig& config, const QVariant& cache, const QVariant& value ) const
{
  Q_UNUSED( vl )
  Q_UNUSED( fieldIdx )
  Q_UNUSED( config )
  Q_UNUSED( cache )
  Q_UNUSED( value )

  QString defVal;
  if ( vl->fields().fieldOrigin( fieldIdx ) == QgsFields::OriginProvider && vl->dataProvider() )
    defVal = vl->dataProvider()->defaultValue( vl->fields().fieldOriginIndex( fieldIdx ), true ).toString();

  return value == defVal ? defVal : vl->fields().at( fieldIdx ).displayString( value );
}

QVariant QgsEditorWidgetFactory::sortValue( QgsVectorLayer* vl, int fieldIdx, const QgsEditorWidgetConfig& config, const QVariant& cache, const QVariant& value ) const
{
  Q_UNUSED( vl )
  Q_UNUSED( fieldIdx )
  Q_UNUSED( config )
  Q_UNUSED( cache )
  return value;
}

Qt::AlignmentFlag QgsEditorWidgetFactory::alignmentFlag( QgsVectorLayer* vl, int fieldIdx, const QgsEditorWidgetConfig& config ) const
{
  Q_UNUSED( config );

  QVariant::Type fldType = vl->fields().at( fieldIdx ).type();
  bool alignRight = ( fldType == QVariant::Int || fldType == QVariant::Double || fldType == QVariant::LongLong
                      || fldType == QVariant::DateTime || fldType == QVariant::Date || fldType == QVariant::Time );

  if ( alignRight )
    return Qt::AlignRight;
  else
    return Qt::AlignLeft;
}

QVariant QgsEditorWidgetFactory::createCache( QgsVectorLayer* vl, int fieldIdx, const QgsEditorWidgetConfig& config )
{
  Q_UNUSED( vl )
  Q_UNUSED( fieldIdx )
  Q_UNUSED( config )

  return QVariant();
}

QgsEditorWidgetConfig QgsEditorWidgetFactory::readConfig( const QDomElement& configElement, QgsVectorLayer* layer, int fieldIdx )
{
  Q_UNUSED( configElement );
  Q_UNUSED( layer );
  Q_UNUSED( fieldIdx );

  return QgsEditorWidgetConfig();
}

bool QgsEditorWidgetFactory::isFieldSupported( QgsVectorLayer* vl, int fieldIdx )
{
  Q_UNUSED( vl )
  Q_UNUSED( fieldIdx )
  return true;
}