qgsrangewidgetfactory.cpp

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/***************************************************************************
    qgsrangewidgetfactory.cpp
     --------------------------------------
    Date                 : 5.1.2014
    Copyright            : (C) 2014 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 "qgsrangewidgetfactory.h"
#include "qgsrangeconfigdlg.h"
#include "qgsrangewidgetwrapper.h"
#include "qgsvectorlayer.h"


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

QgsEditorWidgetWrapper* QgsRangeWidgetFactory::create( QgsVectorLayer* vl, int fieldIdx, QWidget* editor, QWidget* parent ) const
{
  return new QgsRangeWidgetWrapper( vl, fieldIdx, editor, parent );
}

QgsEditorConfigWidget* QgsRangeWidgetFactory::configWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* parent ) const
{
  return new QgsRangeConfigDlg( vl, fieldIdx, parent );
}

QgsEditorWidgetConfig QgsRangeWidgetFactory::readConfig( const QDomElement& configElement, QgsVectorLayer* layer, int fieldIdx )
{
  Q_UNUSED( layer );
  Q_UNUSED( fieldIdx );
  QMap<QString, QVariant> cfg;

  cfg.insert( "Style", configElement.attribute( "Style" ) );
  cfg.insert( "Min", configElement.attribute( "Min" ) );
  cfg.insert( "Max", configElement.attribute( "Max" ) );
  cfg.insert( "Step", configElement.attribute( "Step" ) );
  cfg.insert( "AllowNull", configElement.attribute( "AllowNull" ) == "1" );

  if ( configElement.hasAttribute( "Suffix" ) )
  {
    cfg.insert( "Suffix", configElement.attribute( "Suffix" ) );
  }

  return cfg;
}

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

  configElement.setAttribute( "Style", config["Style"].toString() );
  configElement.setAttribute( "Min", config["Min"].toString() );
  configElement.setAttribute( "Max", config["Max"].toString() );
  configElement.setAttribute( "Step", config["Step"].toString() );
  configElement.setAttribute( "AllowNull", config["AllowNull"].toBool() );
  if ( config.contains( "Suffix" ) )
  {
    configElement.setAttribute( "Suffix", config["Suffix"].toString() );
  }
}

bool QgsRangeWidgetFactory::isFieldSupported( QgsVectorLayer* vl, int fieldIdx )
{
  switch ( vl->fields().at( fieldIdx ).type() )
  {
    case QVariant::LongLong:
    case QVariant::Double:
    case QVariant::Int:
      return true;

    default:
      return false;
  }
}

QMap<const char*, int> QgsRangeWidgetFactory::supportedWidgetTypes()
{
  QMap<const char*, int> map = QMap<const char*, int>();
  map.insert( QSlider::staticMetaObject.className(), 10 );
  map.insert( QDial::staticMetaObject.className(), 10 );
  map.insert( QSpinBox::staticMetaObject.className(), 10 );
  map.insert( QDoubleSpinBox::staticMetaObject.className(), 10 );
  return map;
}