Пример #1
0
void QgsEllipseSymbolLayerV2::writeSldMarker( QDomDocument &doc, QDomElement &element, const QgsStringMap& props ) const
{
  // <Graphic>
  QDomElement graphicElem = doc.createElement( "se:Graphic" );
  element.appendChild( graphicElem );

  QgsSymbolLayerV2Utils::wellKnownMarkerToSld( doc, graphicElem, mSymbolName, mColor, mOutlineColor, mOutlineStyle, mOutlineWidth, mSymbolWidth );

  // store w/h factor in a <VendorOption>
  double widthHeightFactor = mSymbolWidth / mSymbolHeight;
  QDomElement factorElem = QgsSymbolLayerV2Utils::createVendorOptionElement( doc, "widthHeightFactor", QString::number( widthHeightFactor ) );
  graphicElem.appendChild( factorElem );

  // <Rotation>
  QgsDataDefined* ddRotation = getDataDefinedProperty( QgsSymbolLayerV2::EXPR_ROTATION );

  QString angleFunc = props.value( "angle", "" );
  if ( angleFunc.isEmpty() )  // symbol has no angle set
  {
    if ( ddRotation && ddRotation->isActive() )
    {
      angleFunc = ddRotation->useExpression() ? ddRotation->expressionString() : ddRotation->field();
    }
    else if ( !qgsDoubleNear( mAngle, 0.0 ) )
      angleFunc = QString::number( mAngle );
  }
  else if ( ddRotation && ddRotation->isActive() )
  {
    // the symbol has an angle and the symbol layer have a rotation
    // property set
    angleFunc = QString( "%1 + %2" ).arg( angleFunc, ddRotation->useExpression() ? ddRotation->expressionString() : ddRotation->field() );
  }
  else if ( !qgsDoubleNear( mAngle, 0.0 ) )
  {
    // both the symbol and the symbol layer have angle value set
    bool ok;
    double angle = angleFunc.toDouble( &ok );
    if ( !ok )
    {
      // its a string (probably a property name or a function)
      angleFunc = QString( "%1 + %2" ).arg( angleFunc ).arg( mAngle );
    }
    else if ( !qgsDoubleNear( angle + mAngle, 0.0 ) )
    {
      // it's a double value
      angleFunc = QString::number( angle + mAngle );
    }
  }
  QgsSymbolLayerV2Utils::createRotationElement( doc, graphicElem, angleFunc );
}
Пример #2
0
QgsLegendSymbolListV2 QgsSingleSymbolRendererV2::legendSymbolItemsV2() const
{
  QgsLegendSymbolListV2 lst;
  if ( mSymbol->type() == QgsSymbolV2::Marker )
  {
    const QgsMarkerSymbolV2 * symbol = static_cast<const QgsMarkerSymbolV2 *>( mSymbol.data() );
    QgsDataDefined sizeDD = symbol->dataDefinedSize();
    if ( sizeDD.isActive() && sizeDD.useExpression() )
    {
      QgsScaleExpression scaleExp( sizeDD.expressionString() );
      if ( scaleExp.type() != QgsScaleExpression::Unknown )
      {
        QgsLegendSymbolItemV2 title( nullptr, scaleExp.baseExpression(), QString() );
        lst << title;
        Q_FOREACH ( double v, QgsSymbolLayerV2Utils::prettyBreaks( scaleExp.minValue(), scaleExp.maxValue(), 4 ) )
        {
          QgsLegendSymbolItemV2 si( mSymbol.data(), QString::number( v ), QString() );
          QgsMarkerSymbolV2 * s = static_cast<QgsMarkerSymbolV2 *>( si.symbol() );
          s->setDataDefinedSize( 0 );
          s->setSize( scaleExp.size( v ) );
          lst << si;
        }
        return lst;
      }
    }
Пример #3
0
void QgsSizeScaleWidget::setFromSymbol()
{
  if ( !mSymbol )
  {
    return;
  }

  QgsDataDefined ddSize = mSymbol->dataDefinedSize();
  QgsScaleExpression expr( ddSize.expressionString() );
  if ( expr )
  {
    for ( int i = 0; i < scaleMethodComboBox->count(); i++ )
    {
      if ( scaleMethodComboBox->itemData( i ).toInt() == int( expr.type() ) )
      {
        scaleMethodComboBox->setCurrentIndex( i );
        break;
      }
    }

    mExpressionWidget->setField( expr.baseExpression() );

    minValueSpinBox->setValue( expr.minValue() );
    maxValueSpinBox->setValue( expr.maxValue() );
    minSizeSpinBox->setValue( expr.minSize() );
    maxSizeSpinBox->setValue( expr.maxSize() );
    nullSizeSpinBox->setValue( expr.nullSize() );
  }
  updatePreview();
}
Пример #4
0
void TestQgsDataDefined::create()
{
  QgsDataDefined* dd = new QgsDataDefined( true, true, QString( "exp" ), QString( "field" ) );
  QVERIFY( dd->isActive() );
  QVERIFY( dd->useExpression() );
  QCOMPARE( dd->expressionString(), QString( "exp" ) );
  QCOMPARE( dd->field(), QString( "field" ) );
  delete dd;
}
Пример #5
0
QString QgsSingleSymbolRendererV2::rotationField() const
{
  if ( mSymbol->type() == QgsSymbolV2::Marker )
  {
    QgsMarkerSymbolV2 * s = static_cast<QgsMarkerSymbolV2 *>( mSymbol.data() );
    QgsDataDefined ddAngle = s->dataDefinedAngle();
    return ddAngle.useExpression() ? ddAngle.expressionString() : ddAngle.field();
  }

  return QString();
}
Пример #6
0
void QgsComposerUtils::writeDataDefinedPropertyMap( QDomElement &itemElem, QDomDocument &doc, const QMap<QgsComposerObject::DataDefinedProperty, QString> *dataDefinedNames, const QMap<QgsComposerObject::DataDefinedProperty, QgsDataDefined *> *dataDefinedProperties )
{
  QMap<QgsComposerObject::DataDefinedProperty, QString >::const_iterator i = dataDefinedNames->constBegin();
  for ( ; i != dataDefinedNames->constEnd(); ++i )
  {
    QString newElemName = i.value();

    QMap< QgsComposerObject::DataDefinedProperty, QgsDataDefined* >::const_iterator it = dataDefinedProperties->find( i.key() );
    if ( it != dataDefinedProperties->constEnd() )
    {
      QgsDataDefined* dd = it.value();
      if ( dd )
      {
        bool active = dd->isActive();
        bool useExpr = dd->useExpression();
        QString expr = dd->expressionString();
        QString field = dd->field();

        bool defaultVals = ( !active && !useExpr && expr.isEmpty() && field.isEmpty() );

        if ( !defaultVals )
        {
          QDomElement ddElem = doc.createElement( newElemName );
          if ( active )
          {
            ddElem.setAttribute( "active", "true" );
          }
          else
          {
            ddElem.setAttribute( "active", "false" );
          }
          if ( useExpr )
          {
            ddElem.setAttribute( "useExpr", "true" );
          }
          else
          {
            ddElem.setAttribute( "useExpr", "false" );
          }
          ddElem.setAttribute( "expr", expr );
          ddElem.setAttribute( "field", field );
          itemElem.appendChild( ddElem );
        }
      }
    }
  }
}
QgsLegendSymbolListV2 QgsCategorizedSymbolRendererV2::legendSymbolItemsV2() const
{
  QgsLegendSymbolListV2 lst;
  if ( mSourceSymbol.data() && mSourceSymbol->type() == QgsSymbolV2::Marker )
  {
    // check that all symbols that have the same size expression
    QgsDataDefined ddSize;
    foreach ( QgsRendererCategoryV2 category, mCategories )
    {
      const QgsMarkerSymbolV2 * symbol = static_cast<const QgsMarkerSymbolV2 *>( category.symbol() );
      if ( !ddSize.hasDefaultValues() && symbol->dataDefinedSize() != ddSize )
      {
        // no common size expression
        return QgsFeatureRendererV2::legendSymbolItemsV2();
      }
      else
      {
        ddSize = symbol->dataDefinedSize();
      }
    }

    if ( !ddSize.isActive() || !ddSize.useExpression() )
    {
      return QgsFeatureRendererV2::legendSymbolItemsV2();
    }

    QgsScaleExpression exp( ddSize.expressionString() );
    if ( exp.type() != QgsScaleExpression::Unknown )
    {
      QgsLegendSymbolItemV2 title( NULL, exp.baseExpression(), "" );
      lst << title;
      foreach ( double v, QgsSymbolLayerV2Utils::prettyBreaks( exp.minValue(), exp.maxValue(), 4 ) )
      {
        QgsLegendSymbolItemV2 si( mSourceSymbol.data(), QString::number( v ), "" );
        QgsMarkerSymbolV2 * s = static_cast<QgsMarkerSymbolV2 *>( si.symbol() );
        s->setDataDefinedSize( QgsDataDefined() );
        s->setSize( exp.size( v ) );
        lst << si;
      }
      // now list the categorized symbols
      const QgsLegendSymbolListV2 list2 = QgsFeatureRendererV2::legendSymbolItemsV2() ;
      foreach ( QgsLegendSymbolItemV2 item, list2 )
        lst << item;
      return lst;
    }
Пример #8
0
void QgsDataDefinedButton::showAssistant()
{
  if ( !mAssistant.data() )
    return;

  if ( mAssistant->exec() == QDialog::Accepted )
  {
    QgsDataDefined dd = mAssistant->dataDefined();
    setUseExpression( dd.useExpression() );
    setActive( dd.isActive() );
    if ( dd.isActive() && dd.useExpression() )
      setExpression( dd.expressionString() );
    else if ( dd.isActive() )
      setField( dd.field() );
    updateGui();
  }
  activateWindow(); // reset focus to parent window
}
Пример #9
0
void TestQgsDataDefined::gettersSetters()
{
  QgsDataDefined dd;
  dd.setActive( false );
  QVERIFY( !dd.isActive() );
  dd.setActive( true );
  QVERIFY( dd.isActive() );

  dd.setUseExpression( false );
  QVERIFY( !dd.useExpression() );
  dd.setUseExpression( true );
  QVERIFY( dd.useExpression() );

  dd.setExpressionString( QString( "expression" ) );
  QCOMPARE( dd.expressionString(), QString( "expression" ) );

  dd.setField( QString( "field" ) );
  QCOMPARE( dd.field(), QString( "field" ) );
}
Пример #10
0
bool QgsDataDefined::operator==( const QgsDataDefined &other ) const
{
  return other.isActive() == mActive && other.useExpression() == mUseExpression &&
         other.field() == mField && other.expressionString() == mExpressionString;
}