QString QgsMapToolLabel::dataDefinedColumnName( QgsPalLayerSettings::Property p, const QgsPalLayerSettings &labelSettings ) const
{
if ( !labelSettings.dataDefinedProperties().isActive( p ) )
return QString();
QgsProperty prop = labelSettings.dataDefinedProperties().property( p );
if ( prop.propertyType() != QgsProperty::FieldBasedProperty )
return QString();
return prop.field();
}
int QgsAuxiliaryLayer::createProperty( QgsPalLayerSettings::Property property, QgsVectorLayer *layer )
{
int index = -1;
if ( layer && layer->labeling() && layer->auxiliaryLayer() )
{
// property definition are identical whatever the provider id
const QgsPropertyDefinition def = layer->labeling()->settings().propertyDefinitions()[property];
const QString fieldName = nameFromProperty( def, true );
layer->auxiliaryLayer()->addAuxiliaryField( def );
if ( layer->auxiliaryLayer()->indexOfPropertyDefinition( def ) >= 0 )
{
const QgsProperty prop = QgsProperty::fromField( fieldName );
for ( const QString &providerId : layer->labeling()->subProviders() )
{
QgsPalLayerSettings *settings = new QgsPalLayerSettings( layer->labeling()->settings( providerId ) );
QgsPropertyCollection c = settings->dataDefinedProperties();
c.setProperty( property, prop );
settings->setDataDefinedProperties( c );
layer->labeling()->setSettings( settings, providerId );
}
emit layer->styleChanged();
}
index = layer->fields().lookupField( fieldName );
}
return index;
}
void QgsDwgImportDialog::createGroup( QgsLayerTreeGroup *group, const QString &name, const QStringList &layers, bool visible )
{
QgsLayerTreeGroup *layerGroup = group->addGroup( name );
QgsDebugMsg( QStringLiteral( " %1" ).arg( name ) ) ;
Q_ASSERT( layerGroup );
QString layerFilter;
if ( !layers.isEmpty() )
{
QStringList exprlist;
const auto constLayers = layers;
for ( QString layer : constLayers )
{
exprlist.append( QStringLiteral( "'%1'" ).arg( layer.replace( QLatin1String( "'" ), QLatin1String( "''" ) ) ) );
}
layerFilter = QStringLiteral( "layer IN (%1) AND " ).arg( exprlist.join( QStringLiteral( "," ) ) );
}
QgsVectorLayer *l = nullptr;
QgsSymbol *sym = nullptr;
l = layer( layerGroup, layerFilter, QStringLiteral( "hatches" ) );
if ( l )
{
QgsSimpleFillSymbolLayer *sfl = new QgsSimpleFillSymbolLayer();
sfl->setDataDefinedProperty( QgsSymbolLayer::PropertyFillColor, QgsProperty::fromField( QStringLiteral( "color" ) ) );
sfl->setStrokeStyle( Qt::NoPen );
sym = new QgsFillSymbol();
sym->changeSymbolLayer( 0, sfl );
l->setRenderer( new QgsSingleSymbolRenderer( sym ) );
}
l = layer( layerGroup, layerFilter, QStringLiteral( "lines" ) );
if ( l )
{
QgsSimpleLineSymbolLayer *sll = new QgsSimpleLineSymbolLayer();
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyStrokeColor, QgsProperty::fromField( QStringLiteral( "color" ) ) );
sll->setPenJoinStyle( Qt::MiterJoin );
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyStrokeWidth, QgsProperty::fromField( QStringLiteral( "linewidth" ) ) );
// sll->setUseCustomDashPattern( true );
// sll->setCustomDashPatternUnit( QgsSymbolV2::MapUnit );
// sll->setDataDefinedProperty( QgsSymbolLayer::PropertyCustomDash, QgsProperty::fromField( "linetype" ) );
sym = new QgsLineSymbol();
sym->changeSymbolLayer( 0, sll );
sym->setOutputUnit( QgsUnitTypes::RenderMillimeters );
l->setRenderer( new QgsSingleSymbolRenderer( sym ) );
}
l = layer( layerGroup, layerFilter, QStringLiteral( "polylines" ) );
if ( l )
{
sym = new QgsLineSymbol();
QgsSimpleLineSymbolLayer *sll = new QgsSimpleLineSymbolLayer();
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyStrokeColor, QgsProperty::fromField( QStringLiteral( "color" ) ) );
sll->setPenJoinStyle( Qt::MiterJoin );
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyStrokeWidth, QgsProperty::fromField( QStringLiteral( "width" ) ) );
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyLayerEnabled, QgsProperty::fromExpression( QStringLiteral( "width>0" ) ) );
sll->setOutputUnit( QgsUnitTypes::RenderMapUnits );
// sll->setUseCustomDashPattern( true );
// sll->setCustomDashPatternUnit( QgsSymbolV2::MapUnit );
// sll->setDataDefinedProperty( QgsSymbolLayer::PropertyCustomDash, QgsProperty::fromField( "linetype" ) );
sym->changeSymbolLayer( 0, sll );
sll = new QgsSimpleLineSymbolLayer();
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyStrokeColor, QgsProperty::fromField( QStringLiteral( "color" ) ) );
sll->setPenJoinStyle( Qt::MiterJoin );
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyStrokeWidth, QgsProperty::fromField( QStringLiteral( "linewidth" ) ) );
sll->setDataDefinedProperty( QgsSymbolLayer::PropertyLayerEnabled, QgsProperty::fromExpression( QStringLiteral( "width=0" ) ) );
sll->setOutputUnit( QgsUnitTypes::RenderMillimeters );
sym->appendSymbolLayer( sll );
l->setRenderer( new QgsSingleSymbolRenderer( sym ) );
}
l = layer( layerGroup, layerFilter, QStringLiteral( "texts" ) );
if ( l )
{
l->setRenderer( new QgsNullSymbolRenderer() );
QgsTextFormat tf;
tf.setSizeUnit( QgsUnitTypes::RenderMapUnits );
QgsPalLayerSettings pls;
pls.setFormat( tf );
pls.drawLabels = true;
pls.fieldName = QStringLiteral( "text" );
pls.wrapChar = QStringLiteral( "\\P" );
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::Size, QgsProperty::fromField( QStringLiteral( "height" ) ) );
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::Color, QgsProperty::fromField( QStringLiteral( "color" ) ) );
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::MultiLineHeight, QgsProperty::fromExpression( QStringLiteral( "CASE WHEN interlin<0 THEN 1 ELSE interlin*1.5 END" ) ) );
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::PositionX, QgsProperty::fromExpression( QStringLiteral( "$x" ) ) );
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::PositionY, QgsProperty::fromExpression( QStringLiteral( "$y" ) ) );
// DXF TEXT
// vertical: 0 = Base, 1 = Bottom, 2 = Middle, 3 = Top, default Base
// horizontal: 0 = Left, 1 = Center, 2 = Right, 3 = Aligned (if Base), 4 = Middle (if Base), default Left
// DXF MTEXT
// 1 = Top left; 2 = Top center; 3 = Top right
// 4 = Middle left; 5 = Middle center; 6 = Middle right
// 7 = Bottom left; 8 = Bottom center; 9 = Bottom right
// QGIS Quadrant
// 0 QuadrantAboveLeft, 1 QuadrantAbove, 2 QuadrantAboveRight,
// 3 QuadrantLeft, 4 QuadrantOver, 5 QuadrantRight,
// 6 QuadrantBelowLeft, 7 QuadrantBelow, 8 QuadrantBelowRight,
pls.dataDefinedProperties().setProperty(
QgsPalLayerSettings::Hali,
QgsProperty::fromExpression( QStringLiteral(
"CASE"
" WHEN etype=%1 THEN"
" CASE"
" WHEN textgen % 3=2 THEN 'Center'"
" WHEN textgen % 3=0 THEN 'Right'"
" ELSE 'Left'"
" END"
" ELSE"
" CASE"
" WHEN alignh=1 THEN 'Center'"
" WHEN alignh=2 THEN 'Right'"
" ELSE 'Left'"
" END"
" END"
).arg( DRW::MTEXT )
)
);
pls.dataDefinedProperties().setProperty(
QgsPalLayerSettings::Vali,
QgsProperty::fromExpression( QStringLiteral(
"CASE"
" WHEN etype=%1 THEN"
" CASE"
" WHEN textgen<4 THEN 'Top'"
" WHEN textgen<7 THEN 'Half'"
" ELSE 'Bottom'"
" END"
" ELSE"
" CASE"
" WHEN alignv=1 THEN 'Bottom'"
" WHEN alignv=2 THEN 'Half'"
" WHEN alignv=3 THEN 'Top'"
" ELSE 'Base'"
" END"
" END"
).arg( DRW::MTEXT )
)
);
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::LabelRotation, QgsProperty::fromExpression( QStringLiteral( "360-angle" ) ) );
pls.dataDefinedProperties().setProperty( QgsPalLayerSettings::AlwaysShow, QgsProperty::fromExpression( QStringLiteral( "1" ) ) );
l->setLabeling( new QgsVectorLayerSimpleLabeling( pls ) );
l->setLabelsEnabled( true );
}
l = layer( layerGroup, layerFilter, QStringLiteral( "points" ) );
if ( l )
{
// FIXME: use PDMODE?
l->setRenderer( new QgsNullSymbolRenderer() );
}
if ( !cbExpandInserts->isChecked() )
layer( layerGroup, layerFilter, QStringLiteral( "inserts" ) );
if ( !layerGroup->children().isEmpty() )
{
layerGroup->setExpanded( false );
layerGroup->setItemVisibilityChecked( visible );
}
else
{
layerGroup->parent()->takeChild( layerGroup );
delete layerGroup;
}
}
void QgsLabelPropertyDialog::init( const QString &layerId, const QString &providerId, int featureId, const QString &labelText )
{
//get feature attributes
QgsVectorLayer *vlayer = QgsProject::instance()->mapLayer<QgsVectorLayer *>( layerId );
if ( !vlayer )
{
return;
}
if ( !vlayer->labeling() )
{
return;
}
if ( !vlayer->getFeatures( QgsFeatureRequest().setFilterFid( featureId ).setFlags( QgsFeatureRequest::NoGeometry ) ).nextFeature( mCurLabelFeat ) )
{
return;
}
QgsAttributes attributeValues = mCurLabelFeat.attributes();
//get layerproperties. Problem: only for pallabeling...
blockElementSignals( true );
QgsPalLayerSettings layerSettings = vlayer->labeling()->settings( providerId );
//get label field and fill line edit
if ( layerSettings.isExpression && !labelText.isNull() )
{
mLabelTextLineEdit->setText( labelText );
mLabelTextLineEdit->setEnabled( false );
mLabelTextLabel->setText( tr( "Expression result" ) );
}
else
{
QString labelFieldName = layerSettings.fieldName;
if ( !labelFieldName.isEmpty() )
{
mCurLabelField = vlayer->fields().lookupField( labelFieldName );
if ( mCurLabelField >= 0 )
{
mLabelTextLineEdit->setText( attributeValues.at( mCurLabelField ).toString() );
if ( vlayer->isEditable() )
mLabelTextLineEdit->setEnabled( true );
else
mLabelTextLineEdit->setEnabled( false );
const QgsFields &layerFields = vlayer->fields();
switch ( layerFields.at( mCurLabelField ).type() )
{
case QVariant::Double:
mLabelTextLineEdit->setValidator( new QDoubleValidator( this ) );
break;
case QVariant::Int:
case QVariant::UInt:
case QVariant::LongLong:
mLabelTextLineEdit->setValidator( new QIntValidator( this ) );
break;
default:
break;
}
}
else
{
mLabelTextLineEdit->setEnabled( false );
}
}
}
//get attributes of the feature and fill data defined values
// font is set directly from QgsLabelPosition
updateFont( mLabelFont, false );
QgsTextFormat format = layerSettings.format();
QgsTextBufferSettings buffer = format.buffer();
//set all the gui elements to the default layer-level values
mLabelDistanceSpinBox->clear();
mLabelDistanceSpinBox->setSpecialValueText( tr( "Layer default (%1)" ).arg( QString::number( layerSettings.dist, 'f', mLabelDistanceSpinBox->decimals() ) ) );
mBufferSizeSpinBox->clear();
mBufferSizeSpinBox->setSpecialValueText( tr( "Layer default (%1)" ).arg( QString::number( buffer.size(), 'f', mBufferSizeSpinBox->decimals() ) ) );
mRotationSpinBox->clear();
mXCoordSpinBox->clear();
mYCoordSpinBox->clear();
mShowLabelChkbx->setChecked( true );
mFontColorButton->setColor( format.color() );
mBufferColorButton->setColor( buffer.color() );
mMinScaleWidget->setScale( layerSettings.minimumScale );
mMaxScaleWidget->setScale( layerSettings.maximumScale );
mHaliComboBox->setCurrentIndex( mHaliComboBox->findData( "Left" ) );
mValiComboBox->setCurrentIndex( mValiComboBox->findData( "Bottom" ) );
mFontColorButton->setColorDialogTitle( tr( "Font Color" ) );
mBufferColorButton->setColorDialogTitle( tr( "Buffer Color" ) );
disableGuiElements();
mDataDefinedProperties = layerSettings.dataDefinedProperties();
//set widget values from data defined results
setDataDefinedValues( vlayer );
//enable widgets connected to data defined fields
enableDataDefinedWidgets( vlayer );
blockElementSignals( false );
}
