diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/.ratings b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/.ratings
new file mode 100644
index 0000000000000000000000000000000000000000..56ae5dd34bccbe6df2da5ee9e1e2131de552a5fa
--- /dev/null
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/.ratings
@@ -0,0 +1,4 @@
+DelegatingControllerFactoryBase.java dea6b5dc56a157f0125bfe5c176e993d376b66b2 YELLOW
+DelegatingFactoryBase.java 37955dec868a0cb0e12986997c0078e0348e9e16 YELLOW
+DelegatingModelFactoryBase.java 413dcfad6542ffbc9a9504d08c17f6741ec3b01c YELLOW
+DelegatingVisualFactoryBase.java 4ec6971399df993b4cbd6d6ced6e801d914e1ae4 YELLOW
diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingControllerFactoryBase.java b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingControllerFactoryBase.java
new file mode 100644
index 0000000000000000000000000000000000000000..dea6b5dc56a157f0125bfe5c176e993d376b66b2
--- /dev/null
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingControllerFactoryBase.java
@@ -0,0 +1,75 @@
+/*-------------------------------------------------------------------------+
+| Copyright 2019 fortiss GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.base.ui.editor.fx.delegating;
+
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.controller.IController;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.controller.IControllerFactory;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IContentAnchorageMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IContentMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IDiagramAnchorageMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IDiagramMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.ILinkMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IMVCBundle;
+import org.fortiss.tooling.kernel.service.ITransformationService;
+
+/**
+ * Base class for {@link IControllerFactory controller factories} of extendable graphical LWFXEF
+ * editors.
+ * <P>
+ * This class uses the {@link ITransformationService} to find a delegate controller factory for the
+ * model elements in question.
+ *
+ * @author hoelzl
+ */
+public abstract class DelegatingControllerFactoryBase extends DelegatingFactoryBase
+ implements IControllerFactory {
+ /** Uses the {@link ITransformationService} to find a delegate {@link IControllerFactory}. */
+ private IControllerFactory getDelegateControllerFactory(IMVCBundle modelBundle) {
+ return getDelegationResult(modelBundle.getModel(), IControllerFactory.class);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IController createContentController(IContentMVCBundle modelBundle) {
+ return getDelegateControllerFactory(modelBundle).createContentController(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IController createDiagramAnchorageController(IDiagramAnchorageMVCBundle modelBundle) {
+ return getDelegateControllerFactory(modelBundle)
+ .createDiagramAnchorageController(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IController createContentAnchorageController(IContentAnchorageMVCBundle modelBundle) {
+ return getDelegateControllerFactory(modelBundle)
+ .createContentAnchorageController(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IController createLinkController(ILinkMVCBundle modelBundle) {
+ return getDelegateControllerFactory(modelBundle).createLinkController(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IController createDiagramController(IDiagramMVCBundle diagramBundle) {
+ return getDelegateControllerFactory(diagramBundle).createDiagramController(diagramBundle);
+ }
+}
diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingFactoryBase.java b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingFactoryBase.java
new file mode 100644
index 0000000000000000000000000000000000000000..37955dec868a0cb0e12986997c0078e0348e9e16
--- /dev/null
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingFactoryBase.java
@@ -0,0 +1,44 @@
+/*-------------------------------------------------------------------------+
+| Copyright 2019 fortiss GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.base.ui.editor.fx.delegating;
+
+import org.fortiss.tooling.kernel.extension.exception.TransformationFailedException;
+import org.fortiss.tooling.kernel.service.ITransformationService;
+
+/**
+ * Base class for delegating request to the transformation service.
+ *
+ * @author hoelzl
+ */
+abstract class DelegatingFactoryBase {
+ /** The transformation service. */
+ protected final static ITransformationService SERVICE = ITransformationService.getInstance();
+
+ /** Tries to transform the given object into the given target class. */
+ @SuppressWarnings("unchecked")
+ protected <T> T getDelegationResult(Object model, Class<T> targetType) {
+ Exception ex = null;
+ try {
+ if(SERVICE.canTransform(model, targetType, null)) {
+ return (T)SERVICE.transform(model, targetType, null);
+ }
+ } catch(TransformationFailedException tfex) {
+ ex = tfex;
+ }
+ throw new IllegalArgumentException("Missing transformation from '" +
+ model.getClass().getName() + "' to '" + targetType.getName(), ex);
+ }
+}
diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingModelFactoryBase.java b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingModelFactoryBase.java
new file mode 100644
index 0000000000000000000000000000000000000000..413dcfad6542ffbc9a9504d08c17f6741ec3b01c
--- /dev/null
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingModelFactoryBase.java
@@ -0,0 +1,62 @@
+/*-------------------------------------------------------------------------+
+| Copyright 2019 fortiss GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.base.ui.editor.fx.delegating;
+
+import java.util.List;
+
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.model.IModelFactory;
+import org.fortiss.tooling.kernel.service.ITransformationService;
+
+/**
+ * Base class for {@link IModelFactory model factories} of extendable graphical LWFXEF
+ * editors.
+ * <P>
+ * This class uses the {@link ITransformationService} to find a delegate model factory for the
+ * model elements in question.
+ *
+ * @author hoelzl
+ */
+public abstract class DelegatingModelFactoryBase extends DelegatingFactoryBase
+ implements IModelFactory {
+ /** Uses the {@link ITransformationService} to find a delegate {@link IModelFactory}. */
+ private IModelFactory getDelegateModelFactory(Object model) {
+ return getDelegationResult(model, IModelFactory.class);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public List<?> getContentAnchorageModels(Object parent) {
+ return getDelegateModelFactory(parent).getContentAnchorageModels(parent);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Object getLinkStart(Object link) {
+ return getDelegateModelFactory(link).getLinkStart(link);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Object getLinkEnd(Object link) {
+ return getDelegateModelFactory(link).getLinkEnd(link);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Object getParent(Object element) {
+ return getDelegateModelFactory(element).getParent(element);
+ }
+}
diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingVisualFactoryBase.java b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingVisualFactoryBase.java
new file mode 100644
index 0000000000000000000000000000000000000000..4ec6971399df993b4cbd6d6ced6e801d914e1ae4
--- /dev/null
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/delegating/DelegatingVisualFactoryBase.java
@@ -0,0 +1,70 @@
+/*-------------------------------------------------------------------------+
+| Copyright 2019 fortiss GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.base.ui.editor.fx.delegating;
+
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IContentAnchorageMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IContentMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IDiagramAnchorageMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.ILinkMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.mvc.IMVCBundle;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.visual.IContentAnchorageVisual;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.visual.IContentVisual;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.visual.IDiagramAnchorageVisual;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.visual.ILinkVisual;
+import org.eclipse.systemfocus.kernel.common.ui.javafx.lwfxef.visual.IVisualFactory;
+import org.fortiss.tooling.kernel.service.ITransformationService;
+
+/**
+ * Base class for {@link IVisualFactory visual factories} of extendable graphical LWFXEF editors.
+ * <P>
+ * This class uses the {@link ITransformationService} to find a delegate visual factory for the
+ * model elements in question.
+ *
+ * @author hoelzl
+ */
+public abstract class DelegatingVisualFactoryBase extends DelegatingFactoryBase
+ implements IVisualFactory {
+ /** Uses the {@link ITransformationService} to find a delegate {@link IVisualFactory}. */
+ private IVisualFactory getDelegateVisualFactory(IMVCBundle modelBundle) {
+ return getDelegationResult(modelBundle.getModel(), IVisualFactory.class);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IContentVisual createContentVisual(IContentMVCBundle modelBundle) {
+ return getDelegateVisualFactory(modelBundle).createContentVisual(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IDiagramAnchorageVisual
+ createDiagramAnchorageVisual(IDiagramAnchorageMVCBundle modelBundle) {
+ return getDelegateVisualFactory(modelBundle).createDiagramAnchorageVisual(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IContentAnchorageVisual
+ createContentAnchorageVisual(IContentAnchorageMVCBundle modelBundle) {
+ return getDelegateVisualFactory(modelBundle).createContentAnchorageVisual(modelBundle);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public ILinkVisual createLinkVisual(ILinkMVCBundle modelBundle) {
+ return getDelegateVisualFactory(modelBundle).createLinkVisual(modelBundle);
+ }
+}