void QgsSymbolSelectorWidget::changeLayer( QgsSymbolLayer *newLayer )
{
SymbolLayerItem *item = currentLayerItem();
QgsSymbolLayer *layer = item->layer();
if ( layer->subSymbol() )
{
item->removeRow( 0 );
}
// update symbol layer item
item->setLayer( newLayer );
// When it is a marker symbol
if ( newLayer->subSymbol() )
{
loadSymbol( newLayer->subSymbol(), item );
layersTree->setExpanded( item->index(), true );
}
// Change the symbol at last to avoid deleting item's layer
QgsSymbol *symbol = static_cast<SymbolLayerItem *>( item->parent() )->symbol();
int layerIdx = item->parent()->rowCount() - item->row() - 1;
symbol->changeSymbolLayer( layerIdx, newLayer );
item->updatePreview();
updatePreview();
// Important: This lets the layer have its own layer properties widget
layerChanged();
}
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;
}
}