org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/extension/IPrototypeProvider.java

@@ -33,10 +33,21 @@ import org.fortiss.tooling.kernel.service.IPrototypeService;
  * @author hoelzl
  */
 public interface IPrototypeProvider {
-
 	/** Returns the prototypes provided by this provider. */
 	List<Prototype> getPrototypes();
 
 	/** Returns the categories of prototypes. */
 	List<PrototypeCategory> getCategories();
+
+	/**
+	 * Returns a unique ID for the given {@link Prototype} or {@code null} if the prototype does not
+	 * stem from this provider.
+	 */
+	String getUniqueID(Prototype prototype);
+
+	/**
+	 * Returns the {@link Prototype} for the given unique ID or {@code null} if the unique ID does
+	 * not correspond to any prototype of this provider.
+	 */
+	Prototype getPrototypeByID(String id);
 }

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/extension/base/.ratings

-ConstraintBases.java 93b4743cc1f5e2677635e644663ba934ef7f7f4e GREEN
 ConstraintCheckerBase.java 92de33f1a3071dc6d66a55d8c10f5d5cc967a4fc GREEN
 ConstraintViolationBase.java ec66973ab2183623f0cd4a85c59c886dddad6cf6 GREEN
 DialogMessage.java 8420640e999e4fb15fa644333e5d71e1d16c2559 GREEN
 ElementCompositorBase.java 7a445e5adde11878fe0515baca8b915287149b28 GREEN
 MultiViolationConstraintCheckerBase.java 30886a94c99cf8948f64401b1db821abe06e1e6c GREEN
-PrototypeProviderBase.java ebcd1794c3798b9899a620b01fd5aa0402129423 GREEN
-RemoveDeprecatedArtifactsMigrationProviderBase.java 4a1b676223b7ec53259a26d1a671b11ff2f911e2 GREEN
+PrototypeProviderBase.java b433cffcaf020987c84df8c127dac871e0fd8fb9 GREEN
 TransformationContextChainBase.java 1ef37880ab275778c563928e80ba378fec964cb6 GREEN
 TransformationProviderBase.java 9e91100cc1f2c8fbd8d41af55aedfea34e02ff71 GREEN

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/extension/base/PrototypeProviderBase.java

@@ -15,12 +15,13 @@
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.kernel.extension.base;
 
+import static org.conqat.lib.commons.collections.CollectionUtils.asUnmodifiable;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.conqat.lib.commons.collections.CollectionUtils;
 import org.eclipse.emf.ecore.EObject;
 import org.fortiss.tooling.kernel.extension.IPrototypeProvider;
 import org.fortiss.tooling.kernel.extension.data.Prototype;
@@ -76,7 +77,7 @@ public abstract class PrototypeProviderBase implements IPrototypeProvider {
 	/** {@inheritDoc} */
 	@Override
 	public final List<Prototype> getPrototypes() {
-		return CollectionUtils.asUnmodifiable(prototypes);
+		return asUnmodifiable(prototypes);
 	}
 
 	/** Registers the element with the given category. */
@@ -111,4 +112,33 @@ public abstract class PrototypeProviderBase implements IPrototypeProvider {
 		result.addAll(categories.values());
 		return result;
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public final String getUniqueID(Prototype prototype) {
+		if(!prototypes.contains(prototype)) {
+			return null;
+		}
+		return this.getClass().getName() + '/' + prototype.getName();
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public final Prototype getPrototypeByID(String id) {
+		String cname = this.getClass().getName();
+		if(!id.startsWith(cname)) {
+			return null;
+		}
+		id = id.substring(cname.length());
+		if(!id.startsWith("/")) {
+			return null;
+		}
+		id = id.substring(1);
+		for(Prototype p : prototypes) {
+			if(p.getName().equals(id)) {
+				return p;
+			}
+		}
+		return null;
+	}
 }

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/.ratings

@@ -8,7 +8,7 @@ LibraryService.java d22671ba820466062852c15873698adf28960d94 GREEN
 LoggingService.java da784259f7b456b54bf75c41ec268f64919ce78d GREEN
 MigrationService.java 2f800eac9793aa736089a802bbfc2c4c1c09770d GREEN
 PersistencyService.java 103eef642c038ef63fa49b743d803aaa3fea2724 GREEN
-PrototypeService.java 18c3db05ab11f189a9711bf241c3c7f35c954a9e GREEN
+PrototypeService.java cf8e6fa96ba9c2f65b24400054ed68e93238a975 GREEN
 ToolingKernelInternal.java f6e7114825748683c7f1d040b41ab854a6c4d79b GREEN
 TransformationService.java 3cdb86fe920158f93cd9466c6ef9697b2dd8ca7f GREEN
 TutorialService.java 675d3f365ce062869f86baa3779d50687674bda0 GREEN

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/internal/PrototypeService.java

@@ -162,6 +162,30 @@ public class PrototypeService implements IPrototypeService, IIntrospectiveKernel
 		return result;
 	}
 
+	/** {@inheritDoc} */
+	@Override
+	public String getUniquePrototypeID(Prototype prototype) {
+		for(IPrototypeProvider prov : prototypeProviderList) {
+			String uid = prov.getUniqueID(prototype);
+			if(uid != null) {
+				return uid;
+			}
+		}
+		return null;
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public Prototype getPrototypeByUniqueID(String id) {
+		for(IPrototypeProvider prov : prototypeProviderList) {
+			Prototype proto = prov.getPrototypeByID(id);
+			if(proto != null) {
+				return proto;
+			}
+		}
+		return null;
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	public List<Prototype> getComposablePrototypes(Class<? extends EObject> modelElementType) {

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/.ratings

 ICommandStackService.java 678dcd1a6ab435ed0870fa2a9ec48ce47f25a187 GREEN
 IConnectionCompositorService.java 0cdf4568b2cd3e95ea195df90a84699eff36442b GREEN
 IConstraintCheckerService.java 291e53297aaea213e07e78f63350938ee2c7b155 GREEN
-IConstraintService.java d55c3e25b8cef7e2f7c555adec7ff31e28449370 GREEN
 IEclipseResourceStorageService.java b1155ca15cd9474d4d533d6cb2725e8a22040ec9 GREEN
 IElementCompositorService.java acd462ec15f3bcc247b544b46ceebee971fe1408 GREEN
 IKernelIntrospectionSystemService.java 7005c3acb4c6f978729d93279c595765e94e38eb GREEN
@@ -9,6 +8,6 @@ ILibraryService.java e1e2ec72b1db892478ed20c7fbb7dcf94472a1cd GREEN
 ILoggingService.java 1ee9723af5a79299249e8db345e8419f814ff6d1 GREEN
 IMigrationService.java 7cfa6268b97f0c38c838905791e065655c6d6a04 GREEN
 IPersistencyService.java 2b2eeb329e3040e75f4352d9c374855583e27538 GREEN
-IPrototypeService.java 47f5ab07c17d5da704860378a49493fa83b3e20b GREEN
+IPrototypeService.java d2b66742bea8bd6d394157985def6f8ea39c8d20 GREEN
 ITransformationService.java 71f175e94d7257713cb14c8148de5a309b03788a GREEN
 ITutorialService.java 22a490516e38536203b1edd32711b615b77a4728 GREEN

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/service/IPrototypeService.java

@@ -24,6 +24,8 @@ import org.fortiss.tooling.kernel.extension.data.Prototype;
 import org.fortiss.tooling.kernel.extension.data.PrototypeCategory;
 import org.fortiss.tooling.kernel.internal.PrototypeService;
 
+import javafx.scene.input.DataFormat;
+
 /**
  * The prototype service provides registration and access to model element
  * prototypes. It distinguishes between two types of prototypes. Primary
@@ -37,6 +39,10 @@ import org.fortiss.tooling.kernel.internal.PrototypeService;
  * @author hoelzl
  */
 public interface IPrototypeService {
+	/** The DataFormat used to transfer prototypes via drag-and-drop. */
+	public static final DataFormat PROTOTYPE_DATA_FORMAT =
+			new DataFormat(IPrototypeService.class.getName());
+
 	/** Returns the service instance. */
 	public static IPrototypeService getInstance() {
 		return PrototypeService.getInstance();
@@ -51,6 +57,15 @@ public interface IPrototypeService {
 	/** Returns the list of primary prototypes registered any provider. */
 	UnmodifiableList<Prototype> getPrimaryPrototypes();
 
+	/** Returns a unique ID for the given {@link Prototype}. */
+	String getUniquePrototypeID(Prototype prototype);
+
+	/**
+	 * Returns the {@link Prototype} for the given unique ID or {@code null} if the unique ID does
+	 * not correspond to any prototype of any provider.
+	 */
+	Prototype getPrototypeByUniqueID(String id);
+
 	/**
 	 * Returns the list of all prototypes composable with the given model
 	 * element class.