void QgsEllipseSymbolLayerV2::writeSldMarker( QDomDocument &doc, QDomElement &element, QgsStringMap props ) const { // <Graphic> QDomElement graphicElem = doc.createElement( "se:Graphic" ); element.appendChild( graphicElem ); QgsSymbolLayerV2Utils::wellKnownMarkerToSld( doc, graphicElem, mSymbolName, mFillColor, 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 ).arg( 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 ); }
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; } }
int QgsMapToolLabel::dataDefinedColumnIndex( QgsPalLayerSettings::DataDefinedProperties p, QgsVectorLayer* vlayer ) const { QgsDebugMsg( QString( "dataDefinedProperties layer id:%1" ).arg( vlayer->id() ) ); QgsPalLayerSettings labelSettings( QgsPalLayerSettings::fromLayer( vlayer ) ); QgsDebugMsg( QString( "dataDefinedProperties count:%1" ).arg( labelSettings.dataDefinedProperties.size() ) ); QMap< QgsPalLayerSettings::DataDefinedProperties, QgsDataDefined* >::const_iterator dIt = labelSettings.dataDefinedProperties.find( p ); if ( dIt != labelSettings.dataDefinedProperties.constEnd() ) { //QgsDebugMsg( "found data defined" ); QgsDataDefined* dd = dIt.value(); QString ddField = dd->field(); //QgsDebugMsg( "testing for active" ); // can only modify attributes that are data defined with a mapped field if ( dd->isActive() && !dd->useExpression() && !ddField.isEmpty() ) { //QgsDebugMsg( "looking up index" ); return vlayer->fieldNameIndex( ddField ); } } return -1; }
bool QgsSymbolLayerV2::hasDataDefinedProperty( const QString& property ) const { if ( mDataDefinedProperties.isEmpty() ) return false; QgsDataDefined* dd = getDataDefinedProperty( property ); return dd && dd->isActive(); }
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; }
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 }
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" ) ); }
void QgsLabelPropertyDialog::insertChangedValue( QgsPalLayerSettings::DataDefinedProperties p, const QVariant& value ) { QMap< QgsPalLayerSettings::DataDefinedProperties, QgsDataDefined* >::const_iterator ddIt = mDataDefinedProperties.constFind( p ); if ( ddIt != mDataDefinedProperties.constEnd() ) { QgsDataDefined* dd = ddIt.value(); if ( dd && dd->isActive() && !dd->useExpression() && !dd->field().isEmpty() ) { mChangedProperties.insert( mCurLabelFeat.fieldNameIndex( dd->field() ), value ); } } }
QString QgsMapToolLabel::dataDefinedColumnName( QgsPalLayerSettings::DataDefinedProperties p, const QgsPalLayerSettings& labelSettings ) const { //QgsDebugMsg( QString( "dataDefinedProperties count:%1" ).arg( labelSettings.dataDefinedProperties.size() ) ); QMap< QgsPalLayerSettings::DataDefinedProperties, QgsDataDefined* >::const_iterator dIt = labelSettings.dataDefinedProperties.constFind( p ); if ( dIt != labelSettings.dataDefinedProperties.constEnd() ) { QgsDataDefined* dd = dIt.value(); // can only modify attributes that are data defined with a mapped field if ( dd->isActive() && !dd->useExpression() && !dd->field().isEmpty() ) return dd->field(); } return QString(); }
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; }
QVariant QgsSymbolLayerV2::evaluateDataDefinedProperty( const QString &property, const QgsFeature* feature, const QVariant& defaultVal, bool *ok ) const { if ( ok ) *ok = false; QgsDataDefined* dd = getDataDefinedProperty( property ); if ( !dd || !dd->isActive() ) return defaultVal; if ( dd->useExpression() ) { if ( dd->expression() ) { QgsExpressionContext context = feature ? QgsExpressionContextUtils::createFeatureBasedContext( *feature, QgsFields() ) : QgsExpressionContext(); QVariant result = dd->expression()->evaluate( &context ); if ( result.isValid() ) { if ( ok ) *ok = true; return result; } else return defaultVal; } else { return defaultVal; } } else if ( feature && !dd->field().isEmpty() && !mFields.isEmpty() ) { int attributeIndex = mFields.fieldNameIndex( dd->field() ); if ( attributeIndex >= 0 ) { if ( ok ) *ok = true; return feature->attribute( attributeIndex ); } } return defaultVal; }
QVariant QgsSymbolLayerV2::evaluateDataDefinedProperty( const QString& property, const QgsSymbolV2RenderContext& context, const QVariant& defaultVal, bool* ok ) const { if ( ok ) *ok = false; QgsDataDefined* dd = getDataDefinedProperty( property ); if ( !dd || !dd->isActive() ) return defaultVal; if ( dd->useExpression() ) { if ( dd->expression() ) { QVariant result = dd->expression()->evaluate( &context.renderContext().expressionContext() ); if ( result.isValid() ) { if ( ok ) *ok = true; return result; } else return defaultVal; } else { return defaultVal; } } else if ( context.feature() && !dd->field().isEmpty() && !mFields.isEmpty() ) { int attributeIndex = mFields.fieldNameIndex( dd->field() ); if ( attributeIndex >= 0 ) { if ( ok ) *ok = true; return context.feature()->attribute( attributeIndex ); } } return defaultVal; }
bool QgsDataDefined::operator==( const QgsDataDefined &other ) const { return other.isActive() == mActive && other.useExpression() == mUseExpression && other.field() == mField && other.expressionString() == mExpressionString; }
void QgsLabelPropertyDialog::enableDataDefinedWidgets( QgsVectorLayer* vlayer ) { //loop through data defined properties, this time setting whether or not the widgets are enabled //this can only be done for properties which are assigned to fields QMap< QgsPalLayerSettings::DataDefinedProperties, QgsDataDefined* >::const_iterator propIt = mDataDefinedProperties.constBegin(); for ( ; propIt != mDataDefinedProperties.constEnd(); ++propIt ) { QgsDataDefined* dd = propIt.value(); if ( !dd ) { continue; } QString ddField = dd->field(); if ( !dd->isActive() || dd->useExpression() || ddField.isEmpty() ) { continue; // can only modify attributes with an active data definition of a mapped field } int ddIndx = vlayer->fieldNameIndex( ddField ); if ( ddIndx == -1 ) { continue; } QgsDebugMsg( QString( "ddField: %1" ).arg( ddField ) ); switch ( propIt.key() ) { case QgsPalLayerSettings::Show: mShowLabelChkbx->setEnabled( true ); break; case QgsPalLayerSettings::AlwaysShow: mAlwaysShowChkbx->setEnabled( true ); break; case QgsPalLayerSettings::MinScale: mMinScaleSpinBox->setEnabled( true ); break; case QgsPalLayerSettings::MaxScale: mMaxScaleSpinBox->setEnabled( true ); break; case QgsPalLayerSettings::BufferSize: mBufferSizeSpinBox->setEnabled( true ); break; case QgsPalLayerSettings::PositionX: mXCoordSpinBox->setEnabled( true ); break; case QgsPalLayerSettings::PositionY: mYCoordSpinBox->setEnabled( true ); break; case QgsPalLayerSettings::LabelDistance: mLabelDistanceSpinBox->setEnabled( true ); break; case QgsPalLayerSettings::Hali: mHaliComboBox->setEnabled( true ); break; case QgsPalLayerSettings::Vali: mValiComboBox->setEnabled( true ); break; case QgsPalLayerSettings::BufferColor: mBufferColorButton->setEnabled( true ); break; case QgsPalLayerSettings::Color: mFontColorButton->setEnabled( true ); break; case QgsPalLayerSettings::Rotation: mRotationSpinBox->setEnabled( true ); break; //font related properties case QgsPalLayerSettings::Family: mFontFamilyCmbBx->setEnabled( true ); break; case QgsPalLayerSettings::FontStyle: mFontStyleCmbBx->setEnabled( true ); break; case QgsPalLayerSettings::Underline: mFontUnderlineBtn->setEnabled( true ); break; case QgsPalLayerSettings::Strikeout: mFontStrikethroughBtn->setEnabled( true ); break; case QgsPalLayerSettings::Bold: mFontBoldBtn->setEnabled( true ); break; case QgsPalLayerSettings::Italic: mFontItalicBtn->setEnabled( true ); break; case QgsPalLayerSettings::Size: mFontSizeSpinBox->setEnabled( true ); break; default: break; } } }
void QgsLabelPropertyDialog::setDataDefinedValues( const QgsPalLayerSettings &layerSettings, QgsVectorLayer* vlayer ) { //loop through data defined properties and set all the GUI widget values. We can do this //even if the data defined property is set to an expression, as it's useful to show //users what the evaluated property is... QgsExpressionContext context; context << QgsExpressionContextUtils::globalScope() << QgsExpressionContextUtils::projectScope() << QgsExpressionContextUtils::atlasScope( nullptr ) << QgsExpressionContextUtils::mapSettingsScope( QgisApp::instance()->mapCanvas()->mapSettings() ) << QgsExpressionContextUtils::layerScope( vlayer ); context.setFeature( mCurLabelFeat ); QMap< QgsPalLayerSettings::DataDefinedProperties, QgsDataDefined* >::const_iterator propIt = mDataDefinedProperties.constBegin(); for ( ; propIt != mDataDefinedProperties.constEnd(); ++propIt ) { QgsDataDefined* dd = propIt.value(); if ( !dd || !dd->isActive() ) { continue; } if ( !dd->expressionIsPrepared() ) { dd->prepareExpression( context ); } //TODO - pass expression context QVariant result = layerSettings.dataDefinedValue( propIt.key(), mCurLabelFeat, vlayer->fields(), &context ); if ( !result.isValid() || result.isNull() ) { //could not evaluate data defined value continue; } bool ok = false; switch ( propIt.key() ) { case QgsPalLayerSettings::Show: { int showLabel = result.toInt( &ok ); mShowLabelChkbx->setChecked( !ok || showLabel != 0 ); break; } case QgsPalLayerSettings::AlwaysShow: mAlwaysShowChkbx->setChecked( result.toBool() ); break; case QgsPalLayerSettings::MinScale: { int minScale = result.toInt( &ok ); if ( ok ) { mMinScaleSpinBox->setValue( minScale ); } break; } case QgsPalLayerSettings::MaxScale: { int maxScale = result.toInt( &ok ); if ( ok ) { mMaxScaleSpinBox->setValue( maxScale ); } break; } case QgsPalLayerSettings::BufferSize: { double bufferSize = result.toDouble( &ok ); if ( ok ) { mBufferSizeSpinBox->setValue( bufferSize ); } break; } case QgsPalLayerSettings::PositionX: { double posX = result.toDouble( &ok ); if ( ok ) { mXCoordSpinBox->setValue( posX ); } break; } case QgsPalLayerSettings::PositionY: { double posY = result.toDouble( &ok ); if ( ok ) { mYCoordSpinBox->setValue( posY ); } break; } case QgsPalLayerSettings::LabelDistance: { double labelDist = result.toDouble( &ok ); if ( ok ) { mLabelDistanceSpinBox->setValue( labelDist ); } break; } case QgsPalLayerSettings::Hali: mHaliComboBox->setCurrentIndex( mHaliComboBox->findData( result.toString() ) ); break; case QgsPalLayerSettings::Vali: mValiComboBox->setCurrentIndex( mValiComboBox->findData( result.toString() ) ); break; case QgsPalLayerSettings::BufferColor: mBufferColorButton->setColor( QColor( result.toString() ) ); break; case QgsPalLayerSettings::Color: mFontColorButton->setColor( QColor( result.toString() ) ); break; case QgsPalLayerSettings::Rotation: { double rot = result.toDouble( &ok ); if ( ok ) { mRotationSpinBox->setValue( rot ); } break; } case QgsPalLayerSettings::Size: { double size = result.toDouble( &ok ); if ( ok ) { mFontSizeSpinBox->setValue( size ); } else { mFontSizeSpinBox->setValue( 0 ); } break; } default: break; } } }