Add style for disconnected BusbarSection

single-line-diagram/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/styles/StyleClassConstants.java

@@ -29,6 +29,7 @@ public final class StyleClassConstants {
     public static final String FRAME_CLASS = STYLE_PREFIX + "frame";
     public static final String TOP_FEEDER = STYLE_PREFIX + "top-feeder";
     public static final String BOTTOM_FEEDER = STYLE_PREFIX + "bottom-feeder";
+    public static final String BUS_DISCONNECTED = STYLE_PREFIX + "bus-disconnected";
     public static final String FEEDER_DISCONNECTED_CONNECTED = STYLE_PREFIX + "feeder-disconnected-connected";
     public static final String FEEDER_CONNECTED_DISCONNECTED = STYLE_PREFIX + "feeder-connected-disconnected";
     public static final String FEEDER_DISCONNECTED = STYLE_PREFIX + "feeder-disconnected";

single-line-diagram/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/styles/iidm/HighlightLineStateStyleProvider.java

@@ -8,8 +8,10 @@
 package com.powsybl.sld.svg.styles.iidm;
 
 import com.powsybl.iidm.network.*;
+import com.powsybl.sld.library.ComponentLibrary;
 import com.powsybl.sld.library.ComponentTypeName;
 import com.powsybl.sld.model.graphs.Graph;
+import com.powsybl.sld.model.graphs.VoltageLevelGraph;
 import com.powsybl.sld.model.nodes.*;
 import com.powsybl.sld.model.nodes.feeders.FeederWithSides;
 import com.powsybl.sld.svg.styles.EmptyStyleProvider;
@@ -36,6 +38,27 @@ public List<String> getEdgeStyles(Graph graph, Edge edge) {
                 .orElse(Collections.emptyList());
     }
 
+    @Override
+    public List<String> getNodeStyles(VoltageLevelGraph graph, Node node, ComponentLibrary componentLibrary, boolean showInternalNodes) {
+        if (node instanceof BusNode busNode && !isBusOrBbsConnected(busNode.getEquipmentId())) {
+            return List.of(StyleClassConstants.BUS_DISCONNECTED);
+        }
+        return Collections.emptyList();
+    }
+
+    private boolean isBusOrBbsConnected(String equipmentId) {
+        BusbarSection busbarSection = network.getBusbarSection(equipmentId);
+        if (busbarSection != null) {
+            return busbarSection.getTerminal().isConnected();
+        } else {
+            Bus bus = network.getBusBreakerView().getBus(equipmentId);
+            if (bus != null) {
+                return bus.getConnectedTerminalStream().anyMatch(Terminal::isConnected);
+            }
+            return false;
+        }
+    }
+
     private Optional<String> getHighlightLineStateStyle(Graph graph, Edge edge) {
         Node n1 = edge.getNode1();
         Node n2 = edge.getNode2();

single-line-diagram/single-line-diagram-core/src/main/resources/highlightLineStates.css

@@ -3,3 +3,4 @@
 .sld-wire.sld-feeder-disconnected {stroke: black}
 .sld-wire.sld-feeder-connected-disconnected {stroke-dasharray: 3,3}
 .sld-wire.sld-feeder-disconnected-connected {stroke: black; stroke-dasharray: 3,3}
+.sld-busbar-section.sld-bus-disconnected {stroke-dasharray: 3,3}

single-line-diagram/single-line-diagram-core/src/test/java/com/powsybl/sld/util/NominalVoltageStyleTest.java

@@ -128,7 +128,7 @@ void testAttributes() {
 
         Node node3 = graph3.getNode("bbs3");
         List<String> nodeStyle3 = styleProvider.getNodeStyles(graph3, node3, componentLibrary, false);
-        assertEquals(2, nodeStyle3.size());
+        assertEquals(3, nodeStyle3.size());
         assertTrue(nodeStyle3.contains("sld-busbar-section"));
         assertTrue(nodeStyle3.contains("sld-vl50to70"));