feat(web): color identifiers and nodes

We use a palette-based coloring strategy, where each class and enum gets a color
from

1 files changed, 37 insertions, 13 deletions

diff --git a/subprojects/language/src/main/java/tools/refinery/language/resource/ProblemResourceDescriptionStrategy.java b/subprojects/language/src/main/java/tools/refinery/language/resource/ProblemResourceDescriptionStrategy.java
index cac1f265..c04c7d09 100644
--- a/subprojects/language/src/main/java/tools/refinery/language/resource/ProblemResourceDescriptionStrategy.java
+++ b/subprojects/language/src/main/java/tools/refinery/language/resource/ProblemResourceDescriptionStrategy.java
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ * SPDX-FileCopyrightText: 2021-2024 The Refinery Authors <https://refinery.tools/>
  *
  * SPDX-License-Identifier: EPL-2.0
  */
@@ -28,6 +28,8 @@ public class ProblemResourceDescriptionStrategy extends DefaultResourceDescripti
         public static final String ARITY = DATA_PREFIX + "ARITY";
         public static final String ERROR_PREDICATE = DATA_PREFIX + "ERROR_PREDICATE";
         public static final String ERROR_PREDICATE_TRUE = "true";
+        public static final String COLOR_RELATION = DATA_PREFIX + "COLOR_RELATION";
+        public static final String COLOR_RELATION_TRUE = "true";
 
         @Inject
         private IQualifiedNameConverter qualifiedNameConverter;
@@ -44,12 +46,9 @@ public class ProblemResourceDescriptionStrategy extends DefaultResourceDescripti
                 var problem = EcoreUtil2.getContainerOfType(eObject, Problem.class);
                 var problemQualifiedName = getNameAsQualifiedName(problem);
                 var userData = getUserData(eObject);
-                boolean nameExported;
+                QualifiedName lastQualifiedNameToExport = null;
                 if (shouldExportSimpleName(eObject)) {
-                        acceptEObjectDescription(eObject, problemQualifiedName, qualifiedName, userData, acceptor);
-                        nameExported = true;
-                } else {
-                        nameExported = false;
+                        lastQualifiedNameToExport = qualifiedName;
                 }
                 var parent = eObject.eContainer();
                 while (parent != null && parent != problem) {
@@ -60,16 +59,18 @@ public class ProblemResourceDescriptionStrategy extends DefaultResourceDescripti
                         }
                         qualifiedName = parentQualifiedName.append(qualifiedName);
                         if (shouldExportSimpleName(parent)) {
-                                acceptEObjectDescription(eObject, problemQualifiedName, qualifiedName, userData, acceptor);
-                                nameExported = true;
-                        } else {
-                                nameExported = false;
+                                if (lastQualifiedNameToExport != null) {
+                                        acceptEObjectDescription(eObject, problemQualifiedName, lastQualifiedNameToExport, userData,
+                                                        acceptor);
+                                }
+                                lastQualifiedNameToExport = qualifiedName;
                         }
                         parent = parent.eContainer();
                 }
-                if (!nameExported) {
-                        acceptEObjectDescription(eObject, problemQualifiedName, qualifiedName, userData, acceptor);
+                if (lastQualifiedNameToExport == null) {
+                        lastQualifiedNameToExport = qualifiedName;
                 }
+                acceptEObjectDescription(eObject, problemQualifiedName, lastQualifiedNameToExport, userData, true, acceptor);
                 return true;
         }
 
@@ -120,8 +121,31 @@ public class ProblemResourceDescriptionStrategy extends DefaultResourceDescripti
 
         private void acceptEObjectDescription(EObject eObject, QualifiedName prefix, QualifiedName qualifiedName,
                                                                                   Map<String, String> userData, IAcceptor<IEObjectDescription> acceptor) {
+                acceptEObjectDescription(eObject, prefix, qualifiedName, userData, false, acceptor);
+        }
+
+        private void acceptEObjectDescription(EObject eObject, QualifiedName prefix, QualifiedName qualifiedName,
+                                                                                  Map<String, String> userData, boolean fullyQualified,
+                                                                                  IAcceptor<IEObjectDescription> acceptor) {
                 var qualifiedNameWithPrefix = prefix == null ? qualifiedName : prefix.append(qualifiedName);
-                var description = EObjectDescription.create(qualifiedNameWithPrefix, eObject, userData);
+                Map<String, String> userDataWithFullyQualified;
+                if (fullyQualified && shouldColorRelation(eObject)) {
+                        userDataWithFullyQualified = ImmutableMap.<String, String>builder()
+                                        .putAll(userData)
+                                        .put(COLOR_RELATION, COLOR_RELATION_TRUE)
+                                        .build();
+                } else {
+                        userDataWithFullyQualified = userData;
+                }
+                var description = EObjectDescription.create(qualifiedNameWithPrefix, eObject, userDataWithFullyQualified);
                 acceptor.accept(description);
         }
+
+        private boolean shouldColorRelation(EObject eObject) {
+                if (ProblemUtil.isBuiltIn(eObject)) {
+                        return false;
+                }
+                return eObject instanceof ClassDeclaration || eObject instanceof EnumDeclaration;
+
+        }
 }