[fix] Fix missing edgeTarget since SiriusWeb 206.9.2

backend/application/syson-application/src/test/java/org/eclipse/syson/application/controllers/diagrams/general/view/GVEdgeCreationTests.java

@@ -40,6 +40,7 @@
 import org.eclipse.sirius.components.diagrams.Label;
 import org.eclipse.sirius.components.diagrams.tests.graphql.ConnectorPaletteQueryRunner;
 import org.eclipse.sirius.components.diagrams.tests.graphql.InvokeSingleClickOnTwoDiagramElementsToolMutationRunner;
+import org.eclipse.sirius.components.diagrams.tests.graphql.PaletteQueryRunner;
 import org.eclipse.sirius.components.diagrams.tests.navigation.DiagramNavigator;
 import org.eclipse.sirius.components.view.diagram.NodeDescription;
 import org.eclipse.sirius.components.view.emf.diagram.IDiagramIdProvider;
@@ -123,6 +124,9 @@ public class GVEdgeCreationTests extends AbstractIntegrationTests {
     @Autowired
     private ConnectorPaletteQueryRunner connectorPaletteQueryRunner;
 
+    @Autowired
+    private PaletteQueryRunner paletteQueryRunner;
+
     private final IDescriptionNameGenerator descriptionNameGenerator = new SDVDescriptionNameGenerator();
 
     private static Stream<Arguments> addAttributeUsageAsNestedOfEdgeSourceParameters() {
@@ -173,6 +177,37 @@ public void concernUsageHasCorrectlyLabelledNestedCompositionEdgeTool() {
                 .contains("Become nested Concern");
     }
 
+    /**
+     * Checks that edge tools remain available before a connector target has been selected.
+     */
+    @DisplayName("GIVEN a Usage node, WHEN retrieving its palette, THEN target-specific edge tools are available")
+    @GivenSysONServer({ GeneralViewWithTopNodesTestProjectData.SCRIPT_PATH })
+    @Test
+    public void nodePaletteProvidesTargetSpecificEdgeTools() {
+        var flux = this.givenSubscriptionToDiagram(GeneralViewWithTopNodesTestProjectData.EDITING_CONTEXT_ID, GeneralViewWithTopNodesTestProjectData.GraphicalIds.DIAGRAM_ID);
+
+        StepVerifier.create(flux)
+                .consumeNextWith(assertRefreshedDiagramThat(diagram -> {
+                    Map<String, Object> variables = Map.of(
+                            "editingContextId", GeneralViewWithTopNodesTestProjectData.EDITING_CONTEXT_ID,
+                            "representationId", diagram.getId(),
+                            "diagramElementIds", List.of(GeneralViewWithTopNodesTestProjectData.GraphicalIds.PART_USAGE_ID));
+                    var result = this.paletteQueryRunner.run(variables);
+                    List<String> paletteEntries = JsonPath.read(result.data(), "$.data.viewer.editingContext.representation.description.palette.paletteEntries[*].label");
+                    assertThat(paletteEntries).contains("Add target as nested Part", "Add target as nested Accept Action");
+
+                    variables = Map.of(
+                            "editingContextId", GeneralViewWithTopNodesTestProjectData.EDITING_CONTEXT_ID,
+                            "representationId", diagram.getId(),
+                            "diagramElementIds", List.of(GeneralViewWithTopNodesTestProjectData.GraphicalIds.PART_DEFINITION_ID));
+                    result = this.paletteQueryRunner.run(variables);
+                    paletteEntries = JsonPath.read(result.data(), "$.data.viewer.editingContext.representation.description.palette.paletteEntries[*].label");
+                    assertThat(paletteEntries).contains("Add target as owned Part", NEW_SUBCLASSIFICATION_TOOL_LABEL);
+                }))
+                .thenCancel()
+                .verify(Duration.ofSeconds(10));
+    }
+
     @DisplayName("GIVEN a Usage source and a Usage target, WHEN retrieving the connector palette, THEN the nested tools name their target and source respectively")
     @GivenSysONServer({ GeneralViewWithTopNodesTestProjectData.SCRIPT_PATH })
     @Test

backend/services/syson-services/.settings/org.eclipse.core.resources.prefs

@@ -2,5 +2,4 @@ eclipse.preferences.version=1
 encoding//src/main/java=UTF-8
 encoding//src/main/resources=UTF-8
 encoding//src/test/java=UTF-8
-encoding//src/test/resources=UTF-8
 encoding/<project>=UTF-8

backend/views/syson-diagram-common-view/src/main/java/org/eclipse/syson/diagram/common/view/services/SysONDiagramElementPaletteVariableManagerProvider.java

@@ -0,0 +1,65 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Obeo.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.syson.diagram.common.view.services;
+
+import java.util.Optional;
+
+import org.eclipse.sirius.components.collaborative.diagrams.DiagramContext;
+import org.eclipse.sirius.components.collaborative.diagrams.variables.DiagramVariables;
+import org.eclipse.sirius.components.core.api.IEditingContext;
+import org.eclipse.sirius.components.representations.IOperationValidator;
+import org.eclipse.sirius.components.representations.VariableManager;
+import org.eclipse.sirius.components.view.emf.diagram.tools.DiagramElementPaletteVariableManagerProvider;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Service;
+
+/**
+ * Provides the missing edge target variable when evaluating edge tools in an ordinary diagram element palette.
+ * This service should be deleted when https://github.com/eclipse-sirius/sirius-web/issues/6997 will be fixed.
+ *
+ * @author arichard
+ */
+@Primary
+@Service
+public class SysONDiagramElementPaletteVariableManagerProvider extends DiagramElementPaletteVariableManagerProvider {
+
+    /**
+     * Creates the palette variable provider.
+     *
+     * @param operationValidator
+     *            validates the variables required by palette operations
+     */
+    public SysONDiagramElementPaletteVariableManagerProvider(IOperationValidator operationValidator) {
+        super(operationValidator);
+    }
+
+    /**
+     * Supplies the source semantic element as an edge target placeholder until a connector target is selected.
+     *
+     * @param editingContext
+     *            the editing context
+     * @param diagramContext
+     *            the diagram context
+     * @param diagramElement
+     *            the selected diagram element
+     * @param semanticElement
+     *            its semantic element
+     * @return the palette variables
+     */
+    @Override
+    public Optional<VariableManager> getVariableManager(IEditingContext editingContext, DiagramContext diagramContext, Object diagramElement, Object semanticElement) {
+        var variableManager = super.getVariableManager(editingContext, diagramContext, diagramElement, semanticElement);
+        variableManager.ifPresent(variables -> variables.put(DiagramVariables.EDGE_TARGET.name(), semanticElement));
+        return variableManager;
+    }
+}