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Posted to commits@isis.apache.org by da...@apache.org on 2016/02/24 00:40:05 UTC

[02/13] isis git commit: isis-993: deleting the original layout grids (including the first-cut fixed column stuff that preceded the bootstrap3 grids).

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.java
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.java
deleted file mode 100644
index f8ba43d..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.java
+++ /dev/null
@@ -1,710 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you 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.apache.isis.viewer.wicket.ui.components.layout.fixedcols.propsandcolls;
-
-import java.util.List;
-
-import org.apache.wicket.Component;
-import org.apache.wicket.MarkupContainer;
-import org.apache.wicket.Session;
-import org.apache.wicket.ajax.AjaxRequestTarget;
-import org.apache.wicket.ajax.attributes.AjaxRequestAttributes;
-import org.apache.wicket.ajax.markup.html.form.AjaxButton;
-import org.apache.wicket.feedback.ComponentFeedbackMessageFilter;
-import org.apache.wicket.markup.ComponentTag;
-import org.apache.wicket.markup.html.WebMarkupContainer;
-import org.apache.wicket.markup.html.basic.Label;
-import org.apache.wicket.markup.html.form.Button;
-import org.apache.wicket.markup.html.form.Form;
-import org.apache.wicket.markup.html.form.FormComponent;
-import org.apache.wicket.model.IModel;
-import org.apache.wicket.model.ResourceModel;
-import org.apache.wicket.request.Response;
-import org.apache.wicket.util.string.Strings;
-import org.apache.wicket.util.visit.IVisit;
-import org.apache.wicket.util.visit.IVisitor;
-
-import org.apache.isis.applib.annotation.MemberGroupLayout.ColumnSpans;
-import org.apache.isis.applib.annotation.Where;
-import org.apache.isis.applib.filter.Filter;
-import org.apache.isis.applib.filter.Filters;
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.FCColumn;
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.Hint;
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.FCTab;
-import org.apache.isis.applib.services.exceprecog.ExceptionRecognizer;
-import org.apache.isis.applib.services.exceprecog.ExceptionRecognizerComposite;
-import org.apache.isis.core.commons.authentication.MessageBroker;
-import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
-import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager.ConcurrencyChecking;
-import org.apache.isis.core.metamodel.adapter.version.ConcurrencyException;
-import org.apache.isis.core.metamodel.consent.InteractionInitiatedBy;
-import org.apache.isis.core.metamodel.facets.object.membergroups.MemberGroupLayoutFacet;
-import org.apache.isis.core.metamodel.runtimecontext.ServicesInjector;
-import org.apache.isis.core.metamodel.spec.ObjectSpecification;
-import org.apache.isis.core.metamodel.spec.feature.Contributed;
-import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
-import org.apache.isis.core.runtime.memento.Memento;
-import org.apache.isis.core.runtime.system.context.IsisContext;
-import org.apache.isis.core.runtime.system.transaction.IsisTransactionManager;
-import org.apache.isis.viewer.wicket.model.models.ActionPrompt;
-import org.apache.isis.viewer.wicket.model.models.ActionPromptProvider;
-import org.apache.isis.viewer.wicket.model.models.EntityModel;
-import org.apache.isis.viewer.wicket.ui.ComponentType;
-import org.apache.isis.viewer.wicket.ui.components.layout.fixedcols.PropUtil;
-import org.apache.isis.viewer.wicket.ui.components.layout.fixedcols.columns.EntityColumn;
-import org.apache.isis.viewer.wicket.ui.components.widgets.formcomponent.CancelHintRequired;
-import org.apache.isis.viewer.wicket.ui.errors.JGrowlBehaviour;
-import org.apache.isis.viewer.wicket.ui.pages.entity.EntityPage;
-import org.apache.isis.viewer.wicket.ui.panels.FormAbstract;
-import org.apache.isis.viewer.wicket.ui.panels.IFormSubmitterWithPreValidateHook;
-import org.apache.isis.viewer.wicket.ui.util.Components;
-import org.apache.isis.viewer.wicket.ui.util.CssClassAppender;
-
-import de.agilecoders.wicket.core.markup.html.bootstrap.common.NotificationPanel;
-import de.agilecoders.wicket.core.util.Attributes;
-
-public class EntityPropsAndCollsForm extends FormAbstract<ObjectAdapter> implements ActionPromptProvider {
-
-    private static final long serialVersionUID = 1L;
-
-    private static final String ID_LEFT_COLUMN = "leftColumn";
-    private static final String ID_MIDDLE_COLUMN = "middleColumn";
-    private static final String ID_RIGHT_COLUMN = "rightColumn";
-
-    private static final String ID_ENTITY_COLUMN = "entityColumn";
-    private static final String ID_ENTITY_COLLECTIONS = "entityCollections";
-    private static final String ID_ENTITY_COLLECTIONS_OVERFLOW = "entityCollectionsOverflow";
-
-    private static final String ID_EDIT_BUTTON = "edit";
-    private static final String ID_OK_BUTTON = "ok";
-    private static final String ID_CANCEL_BUTTON = "cancel";
-
-    private static final String ID_FEEDBACK = "feedback";
-
-    private final Component owningPanel;
-
-    private Button editButton;
-    private Button okButton;
-    private Button cancelButton;
-
-    private NotificationPanel feedback;
-    
-
-    public EntityPropsAndCollsForm(
-            final String id,
-            final EntityModel entityModel,
-            final Component owningPanel) {
-
-        super(id, entityModel);
-        this.owningPanel = owningPanel; // for repainting
-
-        buildGui();
-        
-        // add any concurrency exception that might have been propagated into the entity model 
-        // as a result of a previous action invocation
-        final String concurrencyExceptionIfAny = entityModel.getAndClearConcurrencyExceptionIfAny();
-        if(concurrencyExceptionIfAny != null) {
-            error(concurrencyExceptionIfAny);
-        }
-    }
-
-    private void buildGui() {
-
-        final EntityModel entityModel = (EntityModel) getModel();
-        final FCTab FCTabMetaDataIfAny = (FCTab) entityModel.getLayoutMetadata();
-
-        final ColumnSpans columnSpans;
-        if(FCTabMetaDataIfAny != null) {
-            final FCColumn middle = FCTabMetaDataIfAny.getMiddle();
-            final FCColumn right = FCTabMetaDataIfAny.getRight();
-            columnSpans = ColumnSpans.asSpans(
-                    FCTabMetaDataIfAny.getLeft().getSpan(),
-                    middle != null? middle.getSpan(): 0,
-                    right != null? right.getSpan(): 0);
-        } else {
-            final MemberGroupLayoutFacet memberGroupLayoutFacet =
-                    entityModel.getObject().getSpecification().getFacet(MemberGroupLayoutFacet.class);
-            columnSpans = memberGroupLayoutFacet.getColumnSpans();
-        }
-
-        // left column
-        // (unlike middle and right columns, the left column is always added to hold the edit buttons and feedback)
-        MarkupContainer leftColumn = new WebMarkupContainer(ID_LEFT_COLUMN);
-        add(leftColumn);
-
-        if(columnSpans.getLeft() > 0) {
-            addPropertiesAndCollections(leftColumn, entityModel, FCTabMetaDataIfAny, Hint.LEFT);
-        } else {
-            Components.permanentlyHide(this, ID_LEFT_COLUMN);
-        }
-
-        // middle column
-        MarkupContainer middleColumn;
-        if(columnSpans.getMiddle() > 0) {
-            middleColumn = new WebMarkupContainer(ID_MIDDLE_COLUMN);
-            add(middleColumn);
-            addPropertiesAndCollections(middleColumn, entityModel, FCTabMetaDataIfAny, Hint.MIDDLE);
-        } else {
-            middleColumn = null;
-            Components.permanentlyHide(this, ID_MIDDLE_COLUMN);
-        }
-
-        // right column
-        MarkupContainer rightColumn;
-        if(columnSpans.getRight() > 0) {
-            rightColumn = new WebMarkupContainer(ID_RIGHT_COLUMN);
-            add(rightColumn);
-            addPropertiesAndCollections(rightColumn, entityModel, FCTabMetaDataIfAny, Hint.RIGHT);
-        } else {
-            rightColumn = null;
-            Components.permanentlyHide(this, ID_RIGHT_COLUMN);
-        }
-
-        // column spans
-        if(columnSpans.getLeft() > 0) {
-            addClassForSpan(leftColumn, Hint.LEFT.from(columnSpans));
-        }
-        if(columnSpans.getMiddle() > 0) {
-            addClassForSpan(middleColumn, Hint.MIDDLE.from(columnSpans));
-        }
-        if(columnSpans.getRight() > 0) {
-            addClassForSpan(rightColumn, Hint.RIGHT.from(columnSpans));
-        }
-
-        // edit buttons and feedback (not supported on tabbed view)
-        final Hint leftHint = Hint.LEFT;
-        final FCColumn leftColumnMetaDataIfAny = leftHint.from(FCTabMetaDataIfAny);
-        final boolean hasProperties = leftColumnMetaDataIfAny == null && !PropUtil
-                .propertyGroupNames(entityModel, leftHint, leftColumnMetaDataIfAny).isEmpty();
-        if (hasProperties) {
-            addButtons(leftColumn);
-            addFeedbackGui(leftColumn);
-
-        } else {
-            Components.permanentlyHide(leftColumn,
-                    ID_EDIT_BUTTON, ID_OK_BUTTON, ID_CANCEL_BUTTON,
-                    ID_FEEDBACK);
-        }
-
-
-        // collections (only if not being added to a tab)
-        if(FCTabMetaDataIfAny == null && columnSpans.getCollections() > 0) {
-            final String idCollectionsToShow;
-            final String idCollectionsToHide;
-            int collectionSpan;
-            if (columnSpans.exceedsRow())  {
-                idCollectionsToShow = ID_ENTITY_COLLECTIONS_OVERFLOW;
-                idCollectionsToHide = ID_ENTITY_COLLECTIONS;
-                collectionSpan = 12;
-            } else {
-                idCollectionsToShow = ID_ENTITY_COLLECTIONS;
-                idCollectionsToHide = ID_ENTITY_COLLECTIONS_OVERFLOW;
-                collectionSpan = columnSpans.getCollections();
-            }
-
-            final Component collectionsColumn =
-                    getComponentFactoryRegistry().addOrReplaceComponent(
-                            this, idCollectionsToShow, ComponentType.ENTITY_COLLECTIONS, entityModel);
-            addClassForSpan(collectionsColumn, collectionSpan);
-
-            Components.permanentlyHide(this, idCollectionsToHide);
-        } else {
-            Components.permanentlyHide(this, ID_ENTITY_COLLECTIONS);
-            Components.permanentlyHide(this, ID_ENTITY_COLLECTIONS_OVERFLOW);
-        }
-    }
-
-    private void addPropertiesAndCollections(
-            final MarkupContainer markupContainer,
-            final EntityModel entityModel,
-            final FCTab fcTabMetaDataIfAny,
-            final Hint hint) {
-        final FCColumn columnMetaDataIfAny = hint.from(fcTabMetaDataIfAny);
-
-        final EntityModel entityModelWithHints = entityModel.cloneWithLayoutMetadata(columnMetaDataIfAny);
-
-        final EntityColumn columnMembers =
-                new EntityColumn(ID_ENTITY_COLUMN, entityModelWithHints, hint);
-        markupContainer.add(columnMembers);
-    }
-
-
-    @Override
-    protected void onComponentTag(ComponentTag tag) {
-        super.onComponentTag(tag);
-
-        Attributes.addClass(tag, "form-horizontal");
-    }
-
-    @Override
-    public ActionPrompt getActionPrompt() {
-        return ActionPromptProvider.Util.getFrom(this).getActionPrompt();
-    }
-
-    abstract class AjaxButtonWithOnError extends AjaxButton {
-
-        public AjaxButtonWithOnError(String id, IModel<String> model) {
-            super(id, model);
-        }
-
-        @Override
-        protected void onError(AjaxRequestTarget target, Form<?> form) {
-            super.onError(target, form);
-            toEditMode(target);
-        }
-
-        /**
-         * Render the 'type' attribute even for invisible buttons to avoid
-         * <a href="https://github.com/twbs/bootlint/wiki/W007">Bootlint W007</a>
-         *
-         * @param tag The component tag to render
-         * @param response The response to write to
-         */
-        // TODO mgrigorov Move this to Wicket Bootstrap project
-        @Override
-        protected void renderPlaceholderTag(ComponentTag tag, Response response) {
-            String ns = Strings.isEmpty(tag.getNamespace()) ? null : tag.getNamespace() + ':';
-
-            response.write("<");
-            if (ns != null)
-            {
-                response.write(ns);
-            }
-            response.write(tag.getName());
-            response.write(" id=\"");
-            response.write(getAjaxRegionMarkupId());
-
-            String type = tag.getAttribute("type");
-            if (!Strings.isEmpty(type)) {
-                response.write("\" type=\""+type);
-            }
-
-            response.write("\" style=\"display:none\"></");
-            if (ns != null)
-            {
-                response.write(ns);
-            }
-            response.write(tag.getName());
-            response.write(">");
-        }
-    }
-
-    public class AjaxButtonForValidate extends AjaxButtonWithOnError implements IFormSubmitterWithPreValidateHook {
-        private static final long serialVersionUID = 1L;
-        public AjaxButtonForValidate(String id, IModel<String> model) {
-            super(id, model);
-        }
-
-        @Override
-        public String preValidate() {
-            // attempt to load with concurrency checking, catching recognized exceptions
-            try {
-                getEntityModel().load(ConcurrencyChecking.CHECK); // could have also just called #getObject(), since CHECK is the default
-
-            } catch(ConcurrencyException ex){
-                String recognizedErrorMessage = recognizeException(ex);
-                if(recognizedErrorMessage == null) {
-                    throw ex;
-                }
-
-                // reload
-                getEntityModel().load(ConcurrencyChecking.NO_CHECK);
-
-                getForm().clearInput();
-                getEntityModel().resetPropertyModels();
-
-                toViewMode(null);
-                toEditMode(null);
-
-                return recognizedErrorMessage;
-            }
-
-            return null;
-        }
-
-        @Override
-        public void validate() {
-            // add in any error message that we might have recognized from above
-            EntityPropsAndCollsForm form = EntityPropsAndCollsForm.this;
-            String preValidationErrorIfAny = form.getPreValidationErrorIfAny();
-
-            if(preValidationErrorIfAny != null) {
-                feedbackOrNotifyAnyRecognizedError(preValidationErrorIfAny, form);
-                // skip validation, because would relate to old values
-
-                final EntityPage entityPage = new EntityPage(EntityPropsAndCollsForm.this.getModelObject(), null);
-                EntityPropsAndCollsForm.this.setResponsePage(entityPage);
-            } else {
-                // run Wicket's validation
-                super.validate();
-            }
-        }
-
-        @Override
-        protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
-
-            if (getForm().hasError()) {
-                // stay in edit mode
-                return;
-            }
-
-            doPreApply();
-            if (applyFormChangesElse(target)) return;
-            final Object redirectIfAny = doPostApply();
-
-            if (flushChangesElse(target)) return;
-
-
-            getEntityModel().resetPropertyModels();
-
-            toViewMode(null);
-
-            // "redirect-after-post"
-            //
-            // RequestCycle.get().getActiveRequestHandler() indicates this is handled by the ListenerInterfaceRequestHandler
-            // which renders page at end.
-            //
-            // it's necessary to zap the page parameters (so mapping is to just wicket/page?nn)
-            // otherwise (what I think happens) is that the httpServletResponse.sendRedirect ends up being to the same URL,
-            // and this is rejected as invalid either by the browser or by the servlet container (perhaps only if running remotely).
-            //
-
-            final ObjectAdapter objectAdapter;
-            if(redirectIfAny != null) {
-                objectAdapter = getPersistenceSession().adapterFor(redirectIfAny);
-            } else {
-                // we obtain the adapter from the entity model because (if a view model) then the entity model may contain
-                // a different adapter (the cloned view model) to the one with which we started with.
-                objectAdapter = getEntityModel().getObjectAdapterMemento().getObjectAdapter(ConcurrencyChecking.NO_CHECK);
-            }
-
-            final EntityPage entityPage = new EntityPage(objectAdapter, null);
-            EntityPropsAndCollsForm.this.setResponsePage(entityPage);
-        }
-
-        /**
-         * Optional hook to override.
-         *
-         * <p>
-         * If a non-null value is returned, then transition to it (ie eg the finish() transition for a wizard).
-         * </p>
-         */
-        protected void doPreApply() {
-        }
-
-        /**
-         * Optional hook to override.
-         *
-         * <p>
-         * If a non-null value is returned, then transition to it (ie eg the finish() transition for a wizard).
-         * </p>
-         */
-        protected Object doPostApply() {
-            return null;
-        }
-
-    }
-
-    abstract class AjaxButtonForCancel extends AjaxButtonWithOnError {
-
-        public AjaxButtonForCancel(String id, IModel<String> model) {
-            super(id, model);
-            setDefaultFormProcessing(false);
-        }
-    }
-
-
-    private void addButtons(MarkupContainer markupContainer) {
-
-        // edit button
-        editButton = new AjaxButtonWithOnError(ID_EDIT_BUTTON, new ResourceModel("editLabel")) {
-            private static final long serialVersionUID = 1L;
-
-            @Override
-            public void validate() {
-
-                // same logic as in cancelButton; should this be factored out?
-                try {
-                    getEntityModel().load(ConcurrencyChecking.CHECK);
-                } catch(ConcurrencyException ex) {
-                    getMessageBroker().addMessage("Object changed by " + ex.getOid().getVersion().getUser() + ", automatically reloading");
-                    getEntityModel().load(ConcurrencyChecking.NO_CHECK);
-                }
-                
-                super.validate();
-            }
-            
-            @Override
-            public void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
-                getEntityModel().resetPropertyModels();
-                toEditMode(target);
-            }
-
-            @Override
-            protected void updateAjaxAttributes(AjaxRequestAttributes attributes) {
-                super.updateAjaxAttributes(attributes);
-                attributes.getAjaxCallListeners().add(new org.apache.wicket.ajax.attributes.AjaxCallListener(){
-
-                    private static final long serialVersionUID = 1L;
-
-                    @Override
-                    public CharSequence getSuccessHandler(Component component) {
-                        // scroll to the top of the entity panel
-                        return "$('html, body').animate({"
-                               + "        scrollTop: $('.entityIconAndTitlePanel').offset().top"
-                               + "    }, 1000);";
-                    }
-                });
-            }
-        };
-        editButton.add(new Label("editLabel", editButton.getModel()));
-        markupContainer.add(editButton);
-
-
-        // ok button
-        okButton = new AjaxButtonForValidate(ID_OK_BUTTON, new ResourceModel("okLabel"));
-        markupContainer.add(okButton);
-
-
-        // cancel button
-        cancelButton = new AjaxButtonForCancel(ID_CANCEL_BUTTON, new ResourceModel("cancelLabel")) {
-            private static final long serialVersionUID = 1L;
-            
-            @Override
-            public void validate() {
-
-                // same logic as in editButton; should this be factored out?
-                try {
-                    getEntityModel().load(ConcurrencyChecking.CHECK);
-                } catch(ConcurrencyException ex) {
-                    getMessageBroker().addMessage("Object changed by " + ex.getOid().getVersion().getUser() + ", automatically reloading");
-                    getEntityModel().load(ConcurrencyChecking.NO_CHECK);
-                }
-                super.validate();
-            }
-            
-            @Override
-            protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
-                Session.get().getFeedbackMessages().clear();
-                getForm().clearInput();
-                getForm().visitFormComponentsPostOrder(new IVisitor<FormComponent<?>, Void>() {
-
-                    @Override
-                    public void component(FormComponent<?> formComponent, IVisit<Void> visit) {
-                        if (formComponent instanceof CancelHintRequired) {
-                            final CancelHintRequired cancelHintRequired = (CancelHintRequired) formComponent;
-                            cancelHintRequired.onCancel();
-                        }
-                    }
-                });
-
-                try {
-                    getEntityModel().resetPropertyModels();
-                } catch(RuntimeException ex) {
-                    throw ex;
-                }
-                toViewMode(target);
-            }
-        };
-
-        markupContainer.add(cancelButton);
-
-        okButton.setOutputMarkupPlaceholderTag(true);
-        editButton.setOutputMarkupPlaceholderTag(true);
-        cancelButton.setOutputMarkupPlaceholderTag(true);
-        
-        // flush any JGrowl messages (typically concurrency exceptions) if they are added.
-        okButton.add(new JGrowlBehaviour());
-        editButton.add(new JGrowlBehaviour());
-        cancelButton.add(new JGrowlBehaviour());
-    }
-
-    // to perform object-level validation, we must apply the changes first
-    // contrast this with ActionPanel (for validating actionarguments) where
-    // we do the validation prior to the execution of the action
-    private boolean applyFormChangesElse(AjaxRequestTarget target) {
-        final ObjectAdapter adapter = getEntityModel().getObject();
-        final Memento snapshotToRollbackToIfInvalid = new Memento(adapter);
-
-        getEntityModel().apply();
-        final String invalidReasonIfAny = getEntityModel().getReasonInvalidIfAny();
-        if (invalidReasonIfAny != null) {
-            error(invalidReasonIfAny);
-            snapshotToRollbackToIfInvalid.recreateObject();
-            toEditMode(target);
-
-            // abort otherwise the object will have been dirtied and JDO will end up committing,
-            // possibly bumping the version and resulting in a subsequent concurrency exception.
-            IsisContext.getTransactionManager().abortTransaction();
-            return true;
-        }
-        return false;
-    }
-
-    private boolean flushChangesElse(AjaxRequestTarget target) {
-        try {
-            this.getTransactionManager().flushTransaction();
-        } catch(RuntimeException ex) {
-
-            // There's no need to abort the transaction here, as it will have already been done
-            // (in IsisTransactionManager#executeWithinTransaction(...)).
-
-            String message = recognizeExceptionAndNotify(ex, this);
-            if(message == null) {
-                throw ex;
-            }
-
-            toEditMode(target);
-            return true;
-        }
-        return false;
-    }
-
-
-    private String recognizeExceptionAndNotify(RuntimeException ex, Component feedbackComponentIfAny) {
-        
-        // see if the exception is recognized as being a non-serious error
-        
-        String recognizedErrorMessageIfAny = recognizeException(ex);
-        feedbackOrNotifyAnyRecognizedError(recognizedErrorMessageIfAny, feedbackComponentIfAny);
-
-        return recognizedErrorMessageIfAny;
-    }
-
-    private void feedbackOrNotifyAnyRecognizedError(String recognizedErrorMessageIfAny, Component feedbackComponentIfAny) {
-        if(recognizedErrorMessageIfAny == null) {
-            return;
-        }
-        
-        if(feedbackComponentIfAny != null) {
-            feedbackComponentIfAny.error(recognizedErrorMessageIfAny);
-        }
-        getMessageBroker().addWarning(recognizedErrorMessageIfAny);
-
-        // we clear the abort cause because we've handled rendering the exception
-        getTransactionManager().getTransaction().clearAbortCause();
-    }
-
-    private String recognizeException(RuntimeException ex) {
-        
-        // REVIEW: this code is similar to stuff in EntityPropertiesForm, perhaps move up to superclass?
-        // REVIEW: similar code also in WebRequestCycleForIsis; combine?
-        
-        final List<ExceptionRecognizer> exceptionRecognizers = getServicesInjector().lookupServices(ExceptionRecognizer.class);
-        final String message = new ExceptionRecognizerComposite(exceptionRecognizers).recognize(ex);
-        return message;
-    }
-
-    private void requestRepaintPanel(final AjaxRequestTarget target) {
-        if (target != null) {
-            target.add(owningPanel);
-            // TODO: is it necessary to add these too?
-            target.add(editButton, okButton, cancelButton, feedback);
-        }
-    }
-
-    private EntityModel getEntityModel() {
-        return (EntityModel) getModel();
-    }
-
-    void toViewMode(final AjaxRequestTarget target) {
-
-        getEntityModel().toViewMode();
-
-        setVisible(editButton, isAnythingEditable());
-        setVisible(okButton, false);
-        setVisible(cancelButton, false);
-
-        requestRepaintPanel(target);
-    }
-
-    private void setVisible(Button b, boolean editable) {
-        if(b != null) {
-            b.setVisible(editable);
-        }
-    }
-
-    private boolean isAnythingEditable() {
-        final EntityModel entityModel = (EntityModel) getModel();
-        final ObjectAdapter adapter = entityModel.getObject();
-
-        return !enabledAssociations(adapter, adapter.getSpecification()).isEmpty();
-    }
-    
-    private List<ObjectAssociation> enabledAssociations(final ObjectAdapter adapter, final ObjectSpecification objSpec) {
-        return objSpec.getAssociations(Contributed.EXCLUDED, enabledAssociationFilter(adapter));
-    }
-
-    @SuppressWarnings("unchecked")
-    private Filter<ObjectAssociation> enabledAssociationFilter(final ObjectAdapter adapter) {
-        return Filters.and(ObjectAssociation.Filters.PROPERTIES, ObjectAssociation.Filters.enabled(adapter,
-                InteractionInitiatedBy.USER, Where.OBJECT_FORMS
-        ));
-    }
-
-    private void toEditMode(final AjaxRequestTarget target) {
-        getEntityModel().toEditMode();
-
-        editButton.setVisible(false);
-        okButton.setVisible(true);
-        cancelButton.setVisible(true);
-
-        requestRepaintPanel(target);
-    }
-
-    private void addFeedbackGui(final MarkupContainer markupContainer) {
-        feedback = new NotificationPanel(ID_FEEDBACK, this, new ComponentFeedbackMessageFilter(this));
-        feedback.setOutputMarkupPlaceholderTag(true);
-        markupContainer.addOrReplace(feedback);
-
-        // to avoid potential XSS attacks, no longer escape model strings
-        // (risk is low but could just happen: error message being rendered might accidentally or deliberately contain rogue Javascript)
-        // feedback.setEscapeModelStrings(false);
-
-        final ObjectAdapter adapter = getEntityModel().getObject();
-        if (adapter == null) {
-            feedback.error("cannot locate object:" + getEntityModel().getObjectAdapterMemento().toString());
-        }
-    }
-
-    
-    static void addClassForSpan(final Component component, final int numGridCols) {
-        component.add(new CssClassAppender("col-xs-"+numGridCols));
-    }
-
-
-
-    ///////////////////////////////////////////////////////
-    // Dependencies (from context)
-    ///////////////////////////////////////////////////////
-    
-    protected IsisTransactionManager getTransactionManager() {
-        return IsisContext.getTransactionManager();
-    }
-
-    protected ServicesInjector getServicesInjector() {
-        return IsisContext.getPersistenceSession().getServicesInjector();
-    }
-
-    protected MessageBroker getMessageBroker() {
-        return getAuthenticationSession().getMessageBroker();
-    }
-
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.properties
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.properties b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.properties
deleted file mode 100644
index 71edcd9..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsForm.properties
+++ /dev/null
@@ -1,22 +0,0 @@
-#
-#  Licensed to the Apache Software Foundation (ASF) under one
-#  or more contributor license agreements.  See the NOTICE file
-#  distributed with this work for additional information
-#  regarding copyright ownership.  The ASF licenses this file
-#  to you 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.
-#
-
-okLabel=OK
-cancelLabel=Cancel
-editLabel=Edit

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.html
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.html b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.html
deleted file mode 100644
index 449f18d..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.html
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one
-  or more contributor license agreements.  See the NOTICE file
-  distributed with this work for additional information
-  regarding copyright ownership.  The ASF licenses this file
-  to you 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.
--->
-<html xmlns:wicket="http://wicket.apache.org">
-    <body>
-        <wicket:panel>
-            <div class="entityPropertiesPanel entityPropertiesComponentType">
-                <!-- EntityPropsAndCollsForm:start -->
-                <form wicket:id="entityForm" class="inputForm" role="form">
-                    <div class="row">
-                        <div wicket:id="leftColumn">
-                            <div wicket:id="entityColumn"/>
-                            <div class="feedbackPanel">
-                                <span wicket:id="feedback"></span>
-                            </div>
-                            <div class="buttons">
-                                <button type="submit" class="edit btn btn-primary btn-md" wicket:id="edit"><span class="fa fa-edit"></span> <wicket:container wicket:id="editLabel"></wicket:container></button>
-                                <input type="submit" class="ok btn btn-primary btn-md" wicket:id="ok"/>
-                                <input type="submit" class="cancel btn btn-default btn-md" wicket:id="cancel"/>
-                            </div>
-                        </div>
-                        <div wicket:id="middleColumn">
-                            <div wicket:id="entityColumn"/>
-                        </div>
-                        <div wicket:id="rightColumn">
-                            <div wicket:id="entityColumn"/>
-                        </div>
-                        <div wicket:id="entityCollections"></div>
-                    </div>
-                    <div class="row">
-                        <div wicket:id="entityCollectionsOverflow"></div>
-                    </div>
-                </form>
-                <!-- EntityPropsAndCollsForm:end -->
-            </div>
-        </wicket:panel>
-    </body>
-</html>

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.java
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.java
deleted file mode 100644
index 82745c1..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanel.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you 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.apache.isis.viewer.wicket.ui.components.layout.fixedcols.propsandcolls;
-
-import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
-import org.apache.isis.viewer.wicket.model.models.EntityModel;
-import org.apache.isis.viewer.wicket.ui.components.layout.fallback.EntityEditablePanel;
-import org.apache.isis.viewer.wicket.ui.components.layout.fixedcols.FCGridPanel;
-import org.apache.isis.viewer.wicket.ui.panels.PanelAbstract;
-
-/**
- * {@link PanelAbstract Panel} representing the properties and collections of an entity, as per
- * the provided {@link EntityModel}.
- * 
- * <p>
- *     Used by both {@link FCGridPanel} and also {@link EntityEditablePanel}.  In the former
- *     case the collections are never shown, and edit buttons suppressed. In the latter case the
- *     collections are shown, possibly overflowing to region below.
- * </p>
- */
-public class EntityPropsAndCollsPanel extends PanelAbstract<EntityModel> {
-
-    private static final long serialVersionUID = 1L;
-
-    private static final String ID_ENTITY_FORM = "entityForm";
-
-    private EntityPropsAndCollsForm form;
-
-    public EntityPropsAndCollsPanel(final String id, final EntityModel entityModel) {
-        super(id, entityModel);
-        buildGui();
-        form.toViewMode(null);
-    }
-
-    private void buildGui() {
-        buildEntityPropertiesAndOrCollectionsGui();
-        setOutputMarkupId(true);
-    }
-
-    private void buildEntityPropertiesAndOrCollectionsGui() {
-        final EntityModel model = getModel();
-        final ObjectAdapter adapter = model.getObject();
-        if (adapter != null) {
-            form = new EntityPropsAndCollsForm(ID_ENTITY_FORM, model, this);
-            addOrReplace(form);
-        } else {
-            permanentlyHide(ID_ENTITY_FORM);
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanelFactory.java
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanelFactory.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanelFactory.java
deleted file mode 100644
index d8e7f11..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/propsandcolls/EntityPropsAndCollsPanelFactory.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you 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.apache.isis.viewer.wicket.ui.components.layout.fixedcols.propsandcolls;
-
-import org.apache.wicket.Component;
-import org.apache.wicket.model.IModel;
-
-import org.apache.isis.viewer.wicket.model.models.EntityModel;
-import org.apache.isis.viewer.wicket.ui.ComponentFactory;
-import org.apache.isis.viewer.wicket.ui.ComponentType;
-import org.apache.isis.viewer.wicket.ui.components.entity.EntityComponentFactoryAbstract;
-import org.apache.isis.viewer.wicket.ui.components.layout.fallback.EntityEditablePanel;
-import org.apache.isis.viewer.wicket.ui.components.layout.fixedcols.FCGridPanel;
-
-/**
- * {@link ComponentFactory} for {@link EntityPropsAndCollsPanel}.
- *
- *
- * <p>
- *     Used by both {@link EntityEditablePanel} and also {@link FCGridPanel}.
- * </p>
- */
-public class EntityPropsAndCollsPanelFactory extends EntityComponentFactoryAbstract {
-
-    private static final long serialVersionUID = 1L;
-
-    public EntityPropsAndCollsPanelFactory() {
-        super(ComponentType.ENTITY_PROPERTIES, EntityPropsAndCollsPanel.class);
-    }
-
-    @Override
-    public Component createComponent(final String id, final IModel<?> model) {
-        final EntityModel entityModel = (EntityModel) model;
-        return new EntityPropsAndCollsPanel(id, entityModel);
-    }
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.html
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.html b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.html
deleted file mode 100644
index 6699518..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.html
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one
-  or more contributor license agreements.  See the NOTICE file
-  distributed with this work for additional information
-  regarding copyright ownership.  The ASF licenses this file
-  to you 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.
--->
-<html xmlns:wicket="http://wicket.apache.org">
-<body>
-<wicket:panel>
-    <div wicket:id="tabGroups">
-        <div wicket:id="tabGroup">[tabbed panel will be here]</div>
-    </div>
-</wicket:panel>
-</body>
-</html>

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.java
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.java
deleted file mode 100644
index f95d8db..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabgrouplist/TabGroupListPanel.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you 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.apache.isis.viewer.wicket.ui.components.layout.fixedcols.tabgrouplist;
-
-import java.util.List;
-
-import org.apache.wicket.markup.html.list.ListItem;
-import org.apache.wicket.markup.html.list.ListView;
-
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.FCTabGroup;
-import org.apache.isis.viewer.wicket.model.models.EntityModel;
-import org.apache.isis.viewer.wicket.ui.components.layout.fixedcols.tabs.TabGroupPanel;
-import org.apache.isis.viewer.wicket.ui.panels.PanelAbstract;
-
-public class TabGroupListPanel extends PanelAbstract<EntityModel> {
-
-    private static final long serialVersionUID = 1L;
-
-    private static final String ID_TAB_GROUPS = "tabGroups";
-
-    // the view metadata
-    private final List<FCTabGroup> tabGroups;
-
-    public TabGroupListPanel(final String id, final EntityModel entityModel) {
-        super(id, entityModel);
-
-        this.tabGroups = (List<FCTabGroup>) entityModel.getLayoutMetadata();
-
-        buildGui();
-    }
-
-    private void buildGui() {
-        final EntityModel model = getModel();
-
-        final ListView<FCTabGroup> tabGroupsList = new ListView<FCTabGroup>(ID_TAB_GROUPS, this.tabGroups) {
-
-            @Override
-            protected void populateItem(final ListItem<FCTabGroup> item) {
-
-                final FCTabGroup tabGroup = item.getModelObject();
-                final EntityModel entityModelWithHints = model.cloneWithLayoutMetadata(tabGroup);
-                final TabGroupPanel tabGroupPanel = new TabGroupPanel(entityModelWithHints);
-                item.add(tabGroupPanel);
-            }
-        };
-
-        add(tabGroupsList);
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabGroupPanel.java
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabGroupPanel.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabGroupPanel.java
deleted file mode 100644
index 77c90c1..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabGroupPanel.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you 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.apache.isis.viewer.wicket.ui.components.layout.fixedcols.tabs;
-
-import java.util.List;
-
-import com.google.common.collect.FluentIterable;
-import com.google.common.collect.Lists;
-
-import org.apache.wicket.extensions.markup.html.tabs.AbstractTab;
-import org.apache.wicket.extensions.markup.html.tabs.ITab;
-import org.apache.wicket.extensions.markup.html.tabs.TabbedPanel;
-import org.apache.wicket.markup.html.panel.Panel;
-import org.apache.wicket.model.Model;
-
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.FCTab;
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.FCTabGroup;
-import org.apache.isis.viewer.wicket.model.models.EntityModel;
-import org.apache.isis.viewer.wicket.model.util.ScopedSessionAttribute;
-
-import de.agilecoders.wicket.core.markup.html.bootstrap.tabs.AjaxBootstrapTabbedPanel;
-
-public class TabGroupPanel extends AjaxBootstrapTabbedPanel {
-
-    public static final String SESSION_ATTR_SELECTED_TAB = "selectedTab";
-
-    private final EntityModel entityModel;
-    // the view metadata
-    private final FCTabGroup tabGroup;
-
-    private final ScopedSessionAttribute<Integer> selectedTabInSession;
-
-    private static final String ID_TAB_GROUP = "tabGroup";
-
-    private static List<ITab> tabsFor(final EntityModel entityModel) {
-        final List<ITab> tabs = Lists.newArrayList();
-
-        final FCTabGroup tabGroup = (FCTabGroup) entityModel.getLayoutMetadata();
-        final List<FCTab> FCTabList = FluentIterable
-                .from(tabGroup.getTabs())
-                .filter(FCTab.Predicates.notEmpty())
-                .toList();
-
-        for (final FCTab fcTab : FCTabList) {
-            tabs.add(new AbstractTab(Model.of(fcTab.getName())) {
-                private static final long serialVersionUID = 1L;
-
-                @Override
-                public Panel getPanel(String panelId) {
-                    return new TabPanel(panelId, entityModel, fcTab);
-                }
-            });
-        }
-        return tabs;
-    }
-
-    public TabGroupPanel(final EntityModel entityModel) {
-        super(ID_TAB_GROUP, tabsFor(entityModel));
-
-        this.entityModel = entityModel;
-        this.tabGroup = (FCTabGroup) entityModel.getLayoutMetadata();
-        this.selectedTabInSession = ScopedSessionAttribute.create(entityModel, this, SESSION_ATTR_SELECTED_TAB);
-
-    }
-
-    @Override
-    protected void onInitialize() {
-        setSelectedTabFromSessionIfAny(this);
-        super.onInitialize();
-    }
-
-    @Override
-    public TabbedPanel setSelectedTab(final int index) {
-        selectedTabInSession.set(index);
-        return super.setSelectedTab(index);
-    }
-
-    private void setSelectedTabFromSessionIfAny(
-            final AjaxBootstrapTabbedPanel ajaxBootstrapTabbedPanel) {
-        final Integer tabIndex = selectedTabInSession.get();
-        if (tabIndex != null) {
-            final int numTabs = ajaxBootstrapTabbedPanel.getTabs().size();
-            if (tabIndex < numTabs) {
-                // to support dynamic reloading; the data in the session might not be compatible with current layout.
-                ajaxBootstrapTabbedPanel.setSelectedTab(tabIndex);
-            }
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.html
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.html b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.html
deleted file mode 100644
index 111fc68..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.html
+++ /dev/null
@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one
-  or more contributor license agreements.  See the NOTICE file
-  distributed with this work for additional information
-  regarding copyright ownership.  The ASF licenses this file
-  to you 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.
--->
-<html xmlns:wicket="http://wicket.apache.org">
-<body>
-<wicket:panel>
-	<div class="tabPanel">
-		<form class="inputForm" role="form">
-			<div wicket:id="column">
-			</div>
-		</form>
-	</div>
-</wicket:panel>
-</body>
-</html>

http://git-wip-us.apache.org/repos/asf/isis/blob/69ed9c5e/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.java
----------------------------------------------------------------------
diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.java
deleted file mode 100644
index d475fc8..0000000
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/layout/fixedcols/tabs/TabPanel.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package org.apache.isis.viewer.wicket.ui.components.layout.fixedcols.tabs;
-
-import org.apache.isis.core.metamodel.services.grid.fixedcols.applib.FCTab;
-import org.apache.isis.viewer.wicket.model.models.EntityModel;
-import org.apache.isis.viewer.wicket.ui.ComponentType;
-import org.apache.isis.viewer.wicket.ui.panels.PanelAbstract;
-
-public class TabPanel extends PanelAbstract {
-
-    private static final long serialVersionUID = 1L;
-
-    private static final String ID_COLUMN = "column";
-
-    public TabPanel(String id, final EntityModel model, final FCTab fcTab) {
-        super(id);
-
-        final EntityModel modelWithTabHints = model.cloneWithLayoutMetadata(fcTab);
-
-        getComponentFactoryRegistry()
-                .addOrReplaceComponent(this,
-                        ID_COLUMN, ComponentType.ENTITY_PROPERTIES, modelWithTabHints);
-
-    }
-}