[1263] Improve BindingConnectorAsUsage to be able to create FeatureChain

Bug: #1263
Signed-off-by: Arthur Daussy <arthur.daussy@obeo.fr>

Author: adaussy

CHANGELOG.adoc

@@ -83,6 +83,7 @@ The import now correctly creates a `MultiplicityRange` containing `LiteralIntege
 - https://github.com/eclipse-syson/syson/issues/1318[#1318] [details] Fix an issue that prevents adding a new value to a multi-valued reference in the reference widget.
 - https://github.com/eclipse-syson/syson/issues/1331[#1331] [general-view] Fix an issue that prevents dropping a `Definition` element from the _Explorer view_ on a _General View_.
 - https://github.com/eclipse-syson/syson/issues/1321[#1321] [general-view] Prevent `TransitionUsage` graphical edges source/target reconnection to another `TransitionUsage`.
+- https://github.com/eclipse-syson/syson/issues/1263[#1236] [general-view] Improve BindingConnectorAsUsage to be able to create FeatureChain if necessary.
 
 === Improvements
 

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

@@ -196,7 +196,7 @@ public void givenSysMLProjectWithPortsWhenBindingConnectorAsUsageEdgeToolCreatio
 
         this.diagramCheckerService.checkDiagram(diagramChecker, this.diagram, this.verifier);
 
-        ISemanticChecker semanticChecker = this.semanticCheckerService.getElementInParentSemanticChecker("Package 1", SysmlPackage.eINSTANCE.getNamespace_OwnedMember(),
+        ISemanticChecker semanticChecker = this.semanticCheckerService.getElementInParentSemanticChecker("part1", SysmlPackage.eINSTANCE.getType_Feature(),
                 SysmlPackage.eINSTANCE.getBindingConnectorAsUsage());
 
         this.semanticCheckerService.checkEditingContext(semanticChecker, this.verifier);

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

@@ -213,7 +213,7 @@ public void checkItemUsageBindingConnectorAsUsage() {
         this.semanticCheckerService.checkElement(this.verifier, BindingConnectorAsUsage.class, () -> newBinding[0], binding -> {
             assertThat(this.identityService.getId(binding.getSourceFeature()))
                     .isEqualTo(GeneralViewFlowConnectionItemUsagesProjectData.SemanticIds.ACTION_USAGE_2_OUT_ITEM_ID);
-            assertThat(this.identityService.getId(binding.getTargetFeature().get(0)))
+            assertThat(this.identityService.getId(binding.getTargetFeature().get(0).getFeatureTarget()))
                     .isEqualTo(GeneralViewFlowConnectionItemUsagesProjectData.SemanticIds.ACTION_USAGE_3_IN_ITEM_ID);
         });
     }

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

@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * Copyright (c) 2025 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.application.data;
+
+/**
+ * Project Data ids for project "GeneralView-BindingConnectorProject".
+ *
+ * @author Arthur Daussy
+ */
+public class GeneralViewBindingConnectorProjectData {
+
+    public static final String SCRIPT_PATH = "/scripts/database-content/GeneralView-BindingConnectorProject.sql";
+
+    public static final String EDITING_CONTEXT_ID = "d9f1cd0e-2ca2-4e69-8a91-87a80a455e04";
+
+    /**
+     * Semantic ids.
+     *
+     * @author Arthur Daussy
+     */
+    public static final class SemanticIds {
+
+        public static final String PACKAGE_1_ID = "4968c2dd-be63-495d-a19d-e4e3b5272724";
+
+        public static final String GENERAL_VIEW_ID = "efcc9cdb-5dc0-48fc-807a-ca020be54a0b";
+
+        public static final String A0_ID = "7e9a5607-31d3-46cf-b709-1443f71c38bd";
+
+        public static final String I0_ID = "e89ec9aa-8192-4aff-9f63-2f37b71b7250";
+
+        public static final String REFERENCE2_ID = "47f82ce8-7771-41d8-a215-5ca7bfc7ba09";
+
+        public static final String A1_ID = "202f7d9c-9f2f-4f97-a63f-fe05454d64de";
+
+        public static final String I1_ID = "dec9add2-c1c4-47bf-8e34-0f1354cee650";
+
+        public static final String I2_ID = "4942323d-3861-4e3a-9135-b06d6ccd6c20";
+
+        public static final String A11_ID = "2b6e065b-6d23-4d0f-8d8b-1fdfb0def024";
+
+        public static final String I11_ID = "c881eaab-b12d-4b90-bb58-39aad9fd6767";
+
+        public static final String I11TEST_ID = "f119ba39-42e1-4b21-a04e-3e4944082b59";
+
+        public static final String P0_ID = "865f3559-99ce-4132-88b3-3acda5a5d86b";
+
+    }
+
+    /**
+     * Graphical ids.
+     *
+     * @author Arthur Daussy
+     */
+    public static final class GraphicalIds {
+
+        public static final String DIAGRAM_ID = "219f9e4c-900d-4258-b2fc-a69c94f3f666";
+
+        public static final String I0_ID = "c0a61f94-7762-357b-a245-2d00916f612e";
+
+        public static final String I1_ID = "07b3e9f5-55b1-3b81-97b9-e04214393b4b";
+
+        public static final String I11 = "e43e174a-8163-3ac8-b3f5-ebe6856d9ed2";
+
+        public static final String I11TEST = "99a13645-74bd-3ca4-97fd-59d8340f7bfd";
+
+        public static final String I11_ID = "e43e174a-8163-3ac8-b3f5-ebe6856d9ed2";
+
+        public static final String I11TEST_ID = "99a13645-74bd-3ca4-97fd-59d8340f7bfd";
+
+        public static final String BINDING_EDGE_ID = "38487ae1-e4ee-32e6-892b-d43929582aa0";
+
+        public static final String I2_ID = "a8aa241b-5fff-3fd3-963d-60f3c5b01858";
+
+    }
+}

backend/application/syson-application/src/test/java/org/eclipse/syson/application/data/GeneralViewBindingConnectorProjectData.java

@@ -40,6 +40,7 @@
 import org.eclipse.syson.services.UtilService;
 import org.eclipse.syson.sysml.ActionUsage;
 import org.eclipse.syson.sysml.AttributeUsage;
+import org.eclipse.syson.sysml.BindingConnectorAsUsage;
 import org.eclipse.syson.sysml.ConjugatedPortDefinition;
 import org.eclipse.syson.sysml.DecisionNode;
 import org.eclipse.syson.sysml.Expression;
@@ -137,6 +138,40 @@ public void tearDown() {
         TestTransaction.start();
     }
 
+    @Test
+    @DisplayName("Given a model using a BindingConnectorAsUsage with feature chain, when importing the model, then model is correctly imported")
+    public void checkBindingConnectorWithFeatureChaine() throws IOException {
+        var input = """
+                package pk1 {
+                    action a1 {
+                        in item i1;
+
+                        action a11 {
+                            in item i11;
+                        }
+                        action a21 {
+                            in item i21;
+                        }
+                        bind i1 = a21.i21;
+                        binding b2 bind a11.i11 = a21.i21;
+                    }
+                }""";
+        this.checker.checkImportedModel(resource -> {
+            List<BindingConnectorAsUsage> bindings = EMFUtils.allContainedObjectOfType(resource, BindingConnectorAsUsage.class)
+                    .toList();
+            assertThat(bindings).hasSize(2);
+
+            BindingConnectorAsUsage b1 = bindings.get(0);
+            assertThat(b1.getSourceFeature().getFeatureTarget().getName()).isEqualTo("i1");
+            assertThat(b1.getTargetFeature().get(0).getFeatureTarget().getName()).isEqualTo("i21");
+
+            BindingConnectorAsUsage b2 = bindings.get(1);
+            assertThat(b2.getName()).isEqualTo("b2");
+            assertThat(b2.getSourceFeature().getFeatureTarget().getName()).isEqualTo("i11");
+            assertThat(b2.getTargetFeature().get(0).getFeatureTarget().getName()).isEqualTo("i21");
+
+        }).check(input);
+    }
     @Test
     @DisplayName("Given a model with a TextualRepresentation with a multiline body, when importing the model, then the boly is imported without /* and */")
     public void checkTextualRepresentationFeatures() throws IOException {