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Posted to commits@isis.apache.org by da...@apache.org on 2012/12/08 15:56:02 UTC

[38/53] [partial] ISIS-188: making structure of component viewers consistent

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/awt/XViewer.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/awt/XViewer.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/awt/XViewer.java
deleted file mode 100644
index 9cbd9b0..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/awt/XViewer.java
+++ /dev/null
@@ -1,834 +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.dnd.awt;
-
-import java.awt.Cursor;
-import java.awt.Dimension;
-import java.awt.Graphics;
-import java.awt.Image;
-import java.awt.Insets;
-import java.awt.Rectangle;
-import java.awt.datatransfer.Clipboard;
-import java.awt.datatransfer.DataFlavor;
-import java.awt.datatransfer.StringSelection;
-import java.awt.datatransfer.Transferable;
-import java.awt.event.MouseEvent;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.log4j.Logger;
-
-import org.apache.isis.core.commons.debug.DebuggableWithTitle;
-import org.apache.isis.core.commons.exceptions.IsisException;
-import org.apache.isis.core.commons.lang.ToString;
-import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
-import org.apache.isis.runtimes.dflt.runtime.system.context.IsisContext;
-import org.apache.isis.viewer.dnd.drawing.Background;
-import org.apache.isis.viewer.dnd.drawing.Bounds;
-import org.apache.isis.viewer.dnd.drawing.Canvas;
-import org.apache.isis.viewer.dnd.drawing.ColorsAndFonts;
-import org.apache.isis.viewer.dnd.drawing.Location;
-import org.apache.isis.viewer.dnd.drawing.Size;
-import org.apache.isis.viewer.dnd.drawing.Text;
-import org.apache.isis.viewer.dnd.help.HelpViewer;
-import org.apache.isis.viewer.dnd.util.Properties;
-import org.apache.isis.viewer.dnd.view.Click;
-import org.apache.isis.viewer.dnd.view.Content;
-import org.apache.isis.viewer.dnd.view.DragEvent;
-import org.apache.isis.viewer.dnd.view.DragStart;
-import org.apache.isis.viewer.dnd.view.FocusManager;
-import org.apache.isis.viewer.dnd.view.InteractionSpy;
-import org.apache.isis.viewer.dnd.view.ObjectContent;
-import org.apache.isis.viewer.dnd.view.Placement;
-import org.apache.isis.viewer.dnd.view.ShutdownListener;
-import org.apache.isis.viewer.dnd.view.Toolkit;
-import org.apache.isis.viewer.dnd.view.UndoStack;
-import org.apache.isis.viewer.dnd.view.UserActionSet;
-import org.apache.isis.viewer.dnd.view.View;
-import org.apache.isis.viewer.dnd.view.ViewAreaType;
-import org.apache.isis.viewer.dnd.view.ViewConstants;
-import org.apache.isis.viewer.dnd.view.ViewRequirement;
-import org.apache.isis.viewer.dnd.view.ViewUpdateNotifier;
-import org.apache.isis.viewer.dnd.view.Viewer;
-import org.apache.isis.viewer.dnd.view.base.NullView;
-import org.apache.isis.viewer.dnd.view.border.BackgroundBorder;
-import org.apache.isis.viewer.dnd.view.border.LineBorder;
-import org.apache.isis.viewer.dnd.view.debug.LoggingOptions;
-import org.apache.isis.viewer.dnd.view.menu.PopupMenuContainer;
-import org.apache.isis.viewer.dnd.view.message.MessageContent;
-import org.apache.isis.viewer.dnd.viewer.ApplicationOptions;
-
-public class XViewer implements Viewer {
-    private static final Size NO_SIZE = new Size(0, 0);
-    private static final Logger LOG = Logger.getLogger(Viewer.class);
-    private static final Logger UI_LOG = Logger.getLogger("ui." + Viewer.class.getName());
-    private static final LoggingOptions LOGGING_OPTIONS = new LoggingOptions();
-    private static final NullView CLEAR_OVERLAY = new NullView();
-    private static final Bounds NO_REDRAW = new Bounds();
-
-    private ApplicationOptions APPLICATION_OPTIONS;
-    private final DebugOptions DEBUG_OPTIONS = new DebugOptions(this);
-
-    private Graphics bufferGraphics;
-    private Image doubleBuffer;
-    private boolean doubleBuffering = false;
-    private Insets insets;
-    private Size internalDisplaySize = new Size(1, 1);
-    private ShutdownListener listener;
-    private View overlayView;
-    private final Bounds redrawArea;
-    private int redrawCount = 100000;
-    private RenderingArea renderingArea;
-    private View rootView;
-    private String status;
-    private boolean runningAsExploration;
-    private boolean runningAsPrototype;
-    private InteractionSpy spy;
-    private int statusBarHeight;
-    private final UndoStack undoStack = new UndoStack();
-    protected ViewUpdateNotifier updateNotifier;
-    private KeyboardManager keyboardManager;
-    private HelpViewer helpViewer;
-    private Background background;
-    private Bounds statusBarArea;
-    private XFeedbackManager feedbackManager;
-    private boolean refreshStatus;
-    public boolean showExplorationMenuByDefault;
-    boolean showRepaintArea;
-    private static Boolean isDotNetBool;
-
-    private static boolean isDotNet() {
-        if (isDotNetBool == null) {
-            isDotNetBool = new Boolean(System.getProperty("java.version", "dotnet").equals("dotnet"));
-        }
-        return isDotNetBool.booleanValue();
-    }
-
-    public XViewer() {
-        doubleBuffering = IsisContext.getConfiguration().getBoolean(Properties.PROPERTY_BASE + "double-buffer", true);
-        showExplorationMenuByDefault = IsisContext.getConfiguration().getBoolean(Properties.PROPERTY_BASE + "exploration.show", true);
-        overlayView = CLEAR_OVERLAY;
-        redrawArea = new Bounds();
-    }
-
-    public void addSpyAction(final String actionMessage) {
-        if (spy != null) {
-            spy.addAction(actionMessage);
-        }
-    }
-
-    @Override
-    public void addToNotificationList(final View view) {
-        updateNotifier.add(view.getView());
-    }
-
-    @Override
-    public String selectFilePath(final String title, final String directory) {
-        return renderingArea.selectFilePath(title, directory);
-    }
-
-    @Override
-    public void setKeyboardFocus(final View view) {
-        if (view == null) {
-            return;
-        }
-
-        final FocusManager currentFocusManager = keyboardManager.getFocusManager();
-        if (currentFocusManager != null && currentFocusManager.getFocus() != null && currentFocusManager.getFocus().getParent() != null) {
-            currentFocusManager.getFocus().getParent().markDamaged();
-        }
-
-        if (currentFocusManager != null) {
-            final View currentFocus = currentFocusManager.getFocus();
-            if (currentFocus != null && currentFocus != view) {
-                currentFocus.focusLost();
-            }
-        }
-
-        final FocusManager focusManager = view.getFocusManager();
-        if (focusManager != null) {
-            focusManager.setFocus(view);
-            if (view.getParent() != null) {
-                view.getParent().markDamaged();
-            }
-        }
-        if (focusManager == null) {
-            LOG.warn("No focus manager for " + view);
-        } else {
-            keyboardManager.setFocusManager(focusManager);
-        }
-    }
-
-    @Override
-    public void clearOverlayView() {
-        overlayView.markDamaged();
-        overlayView = CLEAR_OVERLAY;
-    }
-
-    @Override
-    public void clearOverlayView(final View view) {
-        if (this.getOverlayView() != view) {
-            LOG.warn("no such view to remove: " + view);
-        }
-        this.clearOverlayView();
-    }
-
-    /*
-     * public void clearStatus() { setStatus(""); }
-     */
-    public void quit() {
-        if (spy != null) {
-            spy.close();
-        }
-        DebugFrame.disposeAll();
-        if (listener != null) {
-            listener.quit();
-        }
-        close();
-    }
-
-    // TODO remove this method; use clearOverlay instead
-    public void disposeOverlayView() {
-        clearOverlayView();
-    }
-
-    @Override
-    public void disposeUnneededViews() {
-        updateNotifier.removeViewsForDisposedObjects();
-    }
-
-    public View dragFrom(final Location location) {
-        if (onOverlay(location)) {
-            location.subtract(overlayView.getLocation());
-            return overlayView.dragFrom(location);
-        } else {
-            return rootView.dragFrom(location);
-        }
-    }
-
-    public DragEvent dragStart(final DragStart start) {
-        if (onOverlay(start.getLocation())) {
-            start.subtract(overlayView.getLocation());
-            return overlayView.dragStart(start);
-        } else {
-            return rootView.dragStart(start);
-        }
-    }
-
-    public void firstClick(final Click click) {
-        /*
-         * for (int i = 0; i < panes.length; i++) {
-         * if(panes[i].respondsTo(click.getLocation())) {
-         * panes[i].firstClick(click); return; } }
-         */
-        if (onOverlay(click.getLocation())) {
-            click.subtract(overlayView.getLocation());
-            overlayView.firstClick(click);
-        } else {
-            rootView.firstClick(click);
-        }
-    }
-
-    private FocusManager getFocusManager() {
-        return overlayView == CLEAR_OVERLAY ? keyboardManager.getFocusManager() : overlayView.getFocusManager();
-    }
-
-    public Bounds getOverlayBounds() {
-        final Bounds bounds = new Bounds(createSize(renderingArea.getSize()));
-        final Insets in = renderingArea.getInsets();
-        bounds.contract(in.left + in.right, in.top + in.bottom);
-        bounds.contract(0, statusBarHeight);
-        return bounds;
-    }
-
-    private Size createSize(final Dimension size) {
-        return new Size(size.width, size.height);
-    }
-
-    public View getOverlayView() {
-        return overlayView;
-    }
-
-    @Override
-    public InteractionSpy getSpy() {
-        return spy;
-    }
-
-    @Override
-    public UndoStack getUndoStack() {
-        return undoStack;
-    }
-
-    @Override
-    public boolean hasFocus(final View view) {
-        final FocusManager focusManager = keyboardManager.getFocusManager();
-        return focusManager != null && focusManager.getFocus() == view;
-    }
-
-    public View identifyView(final Location location, final boolean includeOverlay) {
-        if (includeOverlay && onOverlay(location)) {
-            location.subtract(overlayView.getLocation());
-            return overlayView.identify(location);
-        } else {
-            return rootView.identify(location);
-        }
-    }
-
-    public void init() {
-        if (updateNotifier == null) {
-            throw new NullPointerException("No update notifier set for " + this);
-        }
-        if (rootView == null) {
-            throw new NullPointerException("No root view set for " + this);
-        }
-
-        insets = new Insets(0, 0, 0, 0);
-
-        spy = new InteractionSpy(new SpyWindow());
-
-        keyboardManager = new KeyboardManager(this);
-        final InteractionHandler interactionHandler = new InteractionHandler(this, feedbackManager, keyboardManager, spy);
-        renderingArea.addMouseMotionListener(interactionHandler);
-        renderingArea.addMouseListener(interactionHandler);
-        renderingArea.addKeyListener(interactionHandler);
-
-        if (IsisContext.getConfiguration().getBoolean(Properties.PROPERTY_BASE + "show-mouse-spy", false)) {
-            spy.open();
-        }
-
-        setKeyboardFocus(rootView);
-
-        APPLICATION_OPTIONS = new ApplicationOptions(listener);
-    }
-
-    @Override
-    public boolean isRunningAsExploration() {
-        return runningAsExploration;
-    }
-
-    @Override
-    public boolean isRunningAsPrototype() {
-        return runningAsPrototype;
-    }
-
-    public boolean isShowingMouseSpy() {
-        return spy.isVisible();
-    }
-
-    @Override
-    public void markDamaged(final Bounds bounds) {
-        if (spy != null) {
-            spy.addDamagedArea(bounds);
-        }
-
-        synchronized (redrawArea) {
-            if (redrawArea.equals(NO_REDRAW)) {
-                redrawArea.setBounds(bounds);
-                UI_LOG.debug("damage - new area " + redrawArea);
-            } else {
-                if (!bounds.getSize().equals(NO_SIZE)) {
-                    redrawArea.union(bounds);
-                    UI_LOG.debug("damage - extend area " + redrawArea + " - to include " + bounds);
-                }
-            }
-        }
-    }
-
-    public void menuOptions(final UserActionSet options) {
-    }
-
-    public void mouseDown(final Click click) {
-        if (onOverlay(click.getLocation())) {
-            click.subtract(overlayView.getLocation());
-            overlayView.mouseDown(click);
-        } else {
-            rootView.mouseDown(click);
-        }
-    }
-
-    public void mouseMoved(final Location location) {
-        if (onOverlay(location)) {
-            location.subtract(overlayView.getLocation());
-            overlayView.mouseMoved(location);
-        } else {
-            rootView.mouseMoved(location);
-        }
-    }
-
-    public void mouseUp(final Click click) {
-        if (onOverlay(click.getLocation())) {
-            click.subtract(overlayView.getLocation());
-            overlayView.mouseUp(click);
-        } else {
-            rootView.mouseUp(click);
-        }
-    }
-
-    private boolean onOverlay(final Location mouse) {
-        return overlayView.getBounds().contains(mouse);
-    }
-
-    public void paint(final Graphics graphic) {
-        redrawCount++;
-        graphic.translate(insets.left, insets.top);
-        final Rectangle paintArea = graphic.getClipBounds();
-        final Rectangle layoutArea = layoutViews();
-        if (layoutArea != null) {
-            paintArea.union(layoutArea);
-        }
-
-        if (spy != null) {
-            spy.redraw(paintArea.toString(), redrawCount);
-        }
-        if (UI_LOG.isDebugEnabled()) {
-            UI_LOG.debug("------ repaint viewer #" + redrawCount + " " + paintArea.x + "," + paintArea.y + " " + paintArea.width + "x" + paintArea.height);
-        }
-
-        final Canvas c = createCanvas(graphic, paintArea);
-        if (background != null) {
-            background.draw(c.createSubcanvas(), rootView.getSize());
-        }
-
-        // paint views
-        if (rootView != null) {
-            rootView.draw(c.createSubcanvas());
-        }
-        // paint overlay
-
-        final Bounds bounds = overlayView.getBounds();
-        if (paintArea.intersects(new Rectangle(bounds.getX(), bounds.getY(), bounds.getWidth(), bounds.getHeight()))) {
-            overlayView.draw(c.createSubcanvas(bounds));
-        }
-
-        /*
-         * for (int i = 0; i < panes.length; i++) {
-         * panes[i].draw(c.createSubcanvas()); }
-         */
-        // paint status
-        // paintUserStatus(bufferGraphics);
-        // blat to screen
-        if (doubleBuffering) {
-            graphic.drawImage(doubleBuffer, 0, 0, null);
-        }
-        if (showRepaintArea) {
-            graphic.setColor(((AwtColor) Toolkit.getColor(ColorsAndFonts.COLOR_DEBUG_BOUNDS_REPAINT)).getAwtColor());
-            graphic.drawRect(paintArea.x, paintArea.y, paintArea.width - 1, paintArea.height - 1);
-            graphic.drawString("#" + redrawCount, paintArea.x + 3, paintArea.y + 15);
-        }
-
-        // paint status
-        paintStatus(graphic);
-    }
-
-    private Canvas createCanvas(final Graphics graphic, final Rectangle paintArea) {
-        final int w = internalDisplaySize.getWidth();
-        final int h = internalDisplaySize.getHeight();
-        if (doubleBuffering) {
-            if ((doubleBuffer == null) || (bufferGraphics == null) || (doubleBuffer.getWidth(null) < w) || (doubleBuffer.getHeight(null) < h)) {
-                doubleBuffer = renderingArea.createImage(w, h);
-                LOG.debug("buffer sized to " + doubleBuffer.getWidth(null) + "x" + doubleBuffer.getHeight(null));
-            }
-            bufferGraphics = doubleBuffer.getGraphics().create();
-        } else {
-            bufferGraphics = graphic;
-        }
-
-        bufferGraphics.clearRect(paintArea.x, paintArea.y, paintArea.width, paintArea.height);
-        bufferGraphics.clearRect(0, 0, w, h);
-
-        bufferGraphics.setClip(paintArea.x, paintArea.y, paintArea.width, paintArea.height);
-        final Canvas c = new AwtCanvas(bufferGraphics, renderingArea, paintArea.x, paintArea.y, paintArea.width, paintArea.height);
-        // Canvas c = new Canvas(bufferGraphics, 0, 0, w, h);
-        return c;
-    }
-
-    /**
-     * Lays out the invalid views and returns the area to be repainted.
-     */
-    private Rectangle layoutViews() {
-        if (!Thread.currentThread().getName().startsWith("AWT-EventQueue") && !isDotNet()) {
-            // REVIEW remove this check and exception when problem with multiple
-            // field drawing is resolved
-            // (Bug 1)
-            throw new IsisException("Drawing with wrong thread: " + Thread.currentThread());
-        }
-        // overlayView.layout(new Size(rootView.getSize()));
-        // rootView.layout(new Size(rootView.getSize()));
-        final Size rootViewSize = rootView.getSize();
-        overlayView.layout();
-        rootView.layout();
-        synchronized (redrawArea) {
-            if (!redrawArea.equals(NO_REDRAW)) {
-                final Rectangle r2 = new Rectangle(redrawArea.getX(), redrawArea.getY(), redrawArea.getWidth(), redrawArea.getHeight());
-                redrawArea.setBounds(NO_REDRAW);
-                return r2;
-            }
-        }
-        return null;
-    }
-
-    private void paintStatus(final Graphics graphic) {
-        final int height = internalDisplaySize.getHeight();
-        final int top = height - statusBarHeight;
-        if (refreshStatus || graphic.getClip().getBounds().getY() + graphic.getClip().getBounds().getHeight() > top) {
-            refreshStatus = false;
-            UI_LOG.debug("changed user status " + status + " " + statusBarArea);
-
-            final int width = internalDisplaySize.getWidth();
-            graphic.setClip(0, top, width, statusBarHeight);
-            graphic.setColor(((AwtColor) Toolkit.getColor(ColorsAndFonts.COLOR_SECONDARY3)).getAwtColor());
-            final AwtText textStyle = (AwtText) Toolkit.getText(ColorsAndFonts.TEXT_STATUS);
-            graphic.setFont(textStyle.getAwtFont());
-            final int baseline = top + textStyle.getAscent();
-            graphic.fillRect(0, top, width, statusBarHeight);
-            graphic.setColor(((AwtColor) Toolkit.getColor(ColorsAndFonts.COLOR_SECONDARY1)).getAwtColor());
-            graphic.drawLine(0, top, internalDisplaySize.getWidth(), top);
-            // graphic.drawRect(0, top, width - 1, statusBarHeight - 1);
-            graphic.setColor(((AwtColor) Toolkit.getColor(ColorsAndFonts.COLOR_BLACK)).getAwtColor());
-            graphic.drawString(status, 5, baseline + ViewConstants.VPADDING);
-        }
-    }
-
-    public View pickupContent(final Location location) {
-        if (onOverlay(location)) {
-            location.subtract(overlayView.getLocation());
-            return overlayView.pickupContent(location);
-        } else {
-            return rootView.pickupContent(location);
-        }
-    }
-
-    public View pickupView(final Location location) {
-        if (onOverlay(location)) {
-            location.subtract(overlayView.getLocation());
-            return overlayView.pickupView(location);
-        } else {
-            return rootView.pickupView(location);
-        }
-    }
-
-    public void popupMenu(final View over, final Location at, final boolean forView, final boolean includeExploration, final boolean includeDebug) {
-        feedbackManager.setBusy(over, null);
-        saveCurrentFieldEntry();
-        final PopupMenuContainer menu = new PopupMenuContainer(over, at);
-        if (over == rootView) {
-            menu.addMenuOptions(APPLICATION_OPTIONS);
-            menu.addMenuOptions(LOGGING_OPTIONS);
-            menu.addMenuOptions(DEBUG_OPTIONS);
-        }
-        final boolean showExplorationOptions = includeExploration || showExplorationMenuByDefault;
-        final boolean showPrototypeOptions = isRunningAsPrototype();
-        menu.show(forView, includeDebug, showExplorationOptions, showPrototypeOptions);
-        feedbackManager.clearBusy(over);
-    }
-
-    @Override
-    public void removeFromNotificationList(final View view) {
-        updateNotifier.remove(view);
-    }
-
-    /**
-     * Force a repaint of the damaged area of the viewer.
-     */
-    @Override
-    public void scheduleRepaint() {
-        updateNotifier.invalidateViewsForChangedObjects();
-        synchronized (redrawArea) {
-            if (!redrawArea.equals(NO_REDRAW) || refreshStatus) {
-                UI_LOG.debug("repaint viewer " + redrawArea);
-                final Bounds area = new Bounds(redrawArea);
-                area.translate(insets.left, insets.top);
-                renderingArea.repaint(area.getX(), area.getY(), area.getWidth(), area.getHeight());
-                redrawArea.setBounds(NO_REDRAW);
-            }
-        }
-    }
-
-    @Override
-    public void saveCurrentFieldEntry() {
-        final FocusManager focusManager = getFocusManager();
-        if (focusManager != null) {
-            final View focus = focusManager.getFocus();
-            if (focus != null) {
-                focus.editComplete(false, false);
-                // change should be marked by the field being completed
-                // focus.markDamaged();
-            }
-        }
-    }
-
-    public void secondClick(final Click click) {
-        if (onOverlay(click.getLocation())) {
-            click.subtract(overlayView.getLocation());
-            overlayView.secondClick(click);
-        } else {
-            rootView.secondClick(click);
-        }
-    }
-
-    @Override
-    public void setBackground(final Background background) {
-        this.background = background;
-    }
-
-    void setCursor(final Cursor cursor) {
-        renderingArea.setCursor(cursor);
-    }
-
-    public void setExploration(final boolean asExploration) {
-        this.runningAsExploration = asExploration;
-    }
-
-    public void setPrototype(final boolean asPrototype) {
-        this.runningAsPrototype = asPrototype;
-    }
-
-    public void setListener(final ShutdownListener listener) {
-        this.listener = listener;
-    }
-
-    @Override
-    public void setOverlayView(final View view) {
-        disposeOverlayView();
-        overlayView = view;
-        // TODO ensure that the view is laid out properly; hence is the right
-        // size to begin with.
-        // view.limitSize(rootView.getSize());
-
-        final Size size = view.getRequiredSize(rootView.getSize());
-        // size.ensureWidth(getSize().getWidth());
-        view.setSize(size);
-        view.layout();
-
-        view.limitBoundsWithin(getOverlaySize());
-        overlayView.markDamaged();
-    }
-
-    @Override
-    public Size getOverlaySize() {
-        return rootView.getSize();
-    }
-
-    @Override
-    public void showInOverlay(final Content content, final Location location) {
-        View view;
-        view = Toolkit.getViewFactory().createView(new ViewRequirement(content, ViewRequirement.OPEN));
-        view = new LineBorder(2, Toolkit.getColor(ColorsAndFonts.COLOR_SECONDARY2), new BackgroundBorder(Toolkit.getColor(ColorsAndFonts.COLOR_SECONDARY3), view));
-        final Size size = view.getRequiredSize(Size.createMax());
-        location.subtract(size.getWidth() / 2, size.getHeight() / 2);
-        view.setLocation(location);
-        setOverlayView(view);
-    }
-
-    public void setRenderingArea(final RenderingArea renderingArea) {
-        this.renderingArea = renderingArea;
-    }
-
-    public void setRootView(final View rootView) {
-        this.rootView = rootView;
-        rootView.invalidateContent();
-    }
-
-    public void setHelpViewer(final HelpViewer helpViewer) {
-        this.helpViewer = helpViewer;
-    }
-
-    public void setShowMouseSpy(final boolean showDeveloperStatus) {
-        if (spy.isVisible()) {
-            spy.close();
-        } else {
-            spy.open();
-        }
-    }
-
-    public void setUpdateNotifier(final ViewUpdateNotifier updateNotifier) {
-        this.updateNotifier = updateNotifier;
-    }
-
-    public void showSpy() {
-        spy.open();
-    }
-
-    public void sizeChange() {
-        initSize();
-        final View subviews[] = rootView.getSubviews();
-        for (final View subview : subviews) {
-            subview.invalidateLayout();
-        }
-
-        final Bounds bounds = new Bounds(internalDisplaySize);
-        markDamaged(bounds);
-        scheduleRepaint();
-
-        Properties.saveSizeOption(Properties.PROPERTY_BASE + "initial.size", bounds.getSize());
-    }
-
-    public void locationChange(final int x, final int y) {
-        Properties.saveLocationOption(Properties.PROPERTY_BASE + "initial.location", new Location(x, y));
-    }
-
-    public void initSize() {
-        internalDisplaySize = createSize(renderingArea.getSize());
-        insets = renderingArea.getInsets();
-        LOG.debug("  insets " + insets);
-        internalDisplaySize.contract(insets.left + insets.right, insets.top + insets.bottom);
-        LOG.debug("  internal " + internalDisplaySize);
-
-        final Size rootViewSize = new Size(internalDisplaySize);
-        final Text text = Toolkit.getText(ColorsAndFonts.TEXT_STATUS);
-        statusBarHeight = text.getLineHeight() + text.getDescent();
-        rootViewSize.contractHeight(statusBarHeight);
-        statusBarArea = new Bounds(insets.left, insets.top + rootViewSize.getHeight(), rootViewSize.getWidth(), statusBarHeight);
-        rootView.setSize(rootViewSize);
-    }
-
-    public void thirdClick(final Click click) {
-        if (onOverlay(click.getLocation())) {
-            click.subtract(overlayView.getLocation());
-            overlayView.thirdClick(click);
-        } else {
-            rootView.thirdClick(click);
-        }
-    }
-
-    @Override
-    public String toString() {
-        final ToString str = new ToString(this);
-        str.append("renderingArea", renderingArea);
-        str.append("redrawArea", redrawArea);
-        str.append("rootView", rootView);
-        return str.toString();
-    }
-
-    public void translate(final MouseEvent me) {
-        me.translatePoint(-insets.left, -insets.top);
-    }
-
-    public ViewAreaType viewAreaType(final Location location) {
-        if (onOverlay(location)) {
-            location.subtract(overlayView.getLocation());
-            return overlayView.viewAreaType(location);
-        } else {
-            return rootView.viewAreaType(location);
-        }
-    }
-
-    public boolean isOverlayAvailable() {
-        return overlayView != CLEAR_OVERLAY;
-    }
-
-    public void makeRootFocus() {
-        // makeFocus(rootView);
-    }
-
-    public void openHelp(final View forView) {
-        if (forView != null) {
-            String description = null;
-            String help = null;
-            String name = null;
-
-            if (forView != null && forView.getContent() != null) {
-                final Content content = forView.getContent();
-                description = content.getDescription();
-                help = content.getHelp();
-                name = content.getId();
-                name = name == null ? content.title() : name;
-            }
-
-            helpViewer.open(forView.getAbsoluteLocation(), name, description, help);
-
-        }
-
-    }
-
-    @Override
-    public Object getClipboard(final Class<?> cls) {
-        if (cls == String.class) {
-
-            final Clipboard cb = java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
-            final Transferable content = cb.getContents(this);
-
-            String value = "illegal value";
-            try {
-                value = ((String) content.getTransferData(DataFlavor.stringFlavor));
-            } catch (final Throwable e) {
-                LOG.error("invalid clipboard operation " + e);
-            }
-            return value;
-        } else {
-            return null;
-        }
-    }
-
-    @Override
-    public void setClipboard(final String clip, final Class<?> class1) {
-        final Clipboard cb = java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
-        cb.setContents(new StringSelection(clip), null);
-    }
-
-    public void forcePaintOfStatusBar() {
-        status = feedbackManager.getStatusBarOutput();
-        refreshStatus = true;
-        scheduleRepaint();
-    }
-
-    public void showDialog(final MessageContent content) {
-        final ViewRequirement requirement = new ViewRequirement(content, ViewRequirement.OPEN);
-        final View view = Toolkit.getViewFactory().createView(requirement);
-        rootView.getWorkspace().addDialog(view, new Placement(Placement.CENTER));
-        scheduleRepaint();
-    }
-
-    @Override
-    public void showDebugFrame(final DebuggableWithTitle[] info, final Location at) {
-        final InfoDebugFrame f = new InfoDebugFrame();
-        f.setInfo(info);
-        f.show(at.getX(), at.getY());
-
-    }
-
-    @Override
-    public void clearAction() {
-        feedbackManager.clearAction();
-        clearOverlayView();
-        // feedbackManager.showDefaultCursor();
-    }
-
-    public void setFeedbackManager(final XFeedbackManager feedbackManager) {
-        this.feedbackManager = feedbackManager;
-    }
-
-    public void close() {
-        renderingArea.dispose();
-    }
-
-    @Override
-    public void saveOpenObjects() {
-        final List<ObjectAdapter> objects = new ArrayList<ObjectAdapter>();
-        for (final View view : rootView.getSubviews()) {
-            final Content content = view.getContent();
-            if (content instanceof ObjectContent) {
-                objects.add(((ObjectContent) content).getAdapter());
-            }
-        }
-        IsisContext.getUserProfileLoader().saveSession(objects);
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarCellContent.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarCellContent.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarCellContent.java
deleted file mode 100644
index d21bca1..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarCellContent.java
+++ /dev/null
@@ -1,96 +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.dnd.calendar;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.isis.core.commons.exceptions.UnexpectedCallException;
-import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
-import org.apache.isis.core.metamodel.consent.Consent;
-import org.apache.isis.core.metamodel.consent.Veto;
-import org.apache.isis.core.metamodel.spec.ObjectSpecification;
-import org.apache.isis.runtimes.dflt.runtime.system.context.IsisContext;
-import org.apache.isis.viewer.dnd.view.Content;
-import org.apache.isis.viewer.dnd.view.collection.AbstractCollectionContent;
-
-public class CalendarCellContent extends AbstractCollectionContent {
-    private final String title;
-    private final List<Object> collection = new ArrayList<Object>();
-
-    public CalendarCellContent(final String title) {
-        this.title = title;
-    }
-
-    @Override
-    public ObjectAdapter getCollection() {
-        return IsisContext.getPersistenceSession().getAdapterManager().adapterFor(collection);
-    }
-
-    @Override
-    public Consent canDrop(final Content sourceContent) {
-        return Veto.DEFAULT;
-    }
-
-    @Override
-    public ObjectAdapter drop(final Content sourceContent) {
-        throw new UnexpectedCallException();
-    }
-
-    @Override
-    public String getHelp() {
-        return "No help available";
-    }
-
-    @Override
-    public String getIconName() {
-        return null;
-    }
-
-    @Override
-    public String getId() {
-        return null;
-    }
-
-    @Override
-    public ObjectAdapter getAdapter() {
-        return getCollection();
-    }
-
-    @Override
-    public ObjectSpecification getSpecification() {
-        throw new UnexpectedCallException();
-    }
-
-    @Override
-    public boolean isTransient() {
-        return true;
-    }
-
-    @Override
-    public String title() {
-        return title;
-    }
-
-    public void addElement(final ObjectAdapter element) {
-        collection.add(element.getObject());
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarConstants.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarConstants.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarConstants.java
deleted file mode 100644
index eb6fb2f..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarConstants.java
+++ /dev/null
@@ -1,34 +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.dnd.calendar;
-
-import org.apache.isis.viewer.dnd.drawing.Color;
-import org.apache.isis.viewer.dnd.drawing.ColorsAndFonts;
-import org.apache.isis.viewer.dnd.drawing.Text;
-import org.apache.isis.viewer.dnd.view.Toolkit;
-
-public class CalendarConstants {
-    public final static String[] days = new String[] { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" };
-    public final static Color textColor = Toolkit.getColor(ColorsAndFonts.COLOR_PRIMARY1);
-    public final static Color weekendColor = Toolkit.getColor(ColorsAndFonts.COLOR_PRIMARY3);
-    public final static Color lineColor = Toolkit.getColor(ColorsAndFonts.COLOR_SECONDARY3);
-    public final static Text style = Toolkit.getText(ColorsAndFonts.TEXT_NORMAL);
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarGrid.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarGrid.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarGrid.java
deleted file mode 100644
index 206afbd..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarGrid.java
+++ /dev/null
@@ -1,417 +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.dnd.calendar;
-
-import java.util.Date;
-import java.util.List;
-
-import org.apache.isis.core.commons.exceptions.UnexpectedCallException;
-import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
-import org.apache.isis.core.metamodel.facetapi.Facet;
-import org.apache.isis.core.metamodel.spec.ObjectSpecification;
-import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
-import org.apache.isis.core.progmodel.facets.value.date.DateValueFacet;
-import org.apache.isis.viewer.dnd.drawing.Canvas;
-import org.apache.isis.viewer.dnd.drawing.Location;
-import org.apache.isis.viewer.dnd.drawing.Size;
-import org.apache.isis.viewer.dnd.icon.IconElementFactory;
-import org.apache.isis.viewer.dnd.view.Axes;
-import org.apache.isis.viewer.dnd.view.Content;
-import org.apache.isis.viewer.dnd.view.FocusManager;
-import org.apache.isis.viewer.dnd.view.UserActionSet;
-import org.apache.isis.viewer.dnd.view.View;
-import org.apache.isis.viewer.dnd.view.ViewConstants;
-import org.apache.isis.viewer.dnd.view.Workspace;
-import org.apache.isis.viewer.dnd.view.base.BlankView;
-import org.apache.isis.viewer.dnd.view.border.ScrollBorder;
-import org.apache.isis.viewer.dnd.view.collection.CollectionContent;
-import org.apache.isis.viewer.dnd.view.composite.CollectionElementBuilder;
-import org.apache.isis.viewer.dnd.view.composite.CompositeView;
-import org.apache.isis.viewer.dnd.view.composite.CompositeViewUsingBuilder;
-import org.apache.isis.viewer.dnd.view.composite.StackLayout;
-import org.apache.isis.viewer.dnd.view.content.NullContent;
-import org.apache.isis.viewer.dnd.view.option.UserActionAbstract;
-
-public class CalendarGrid extends CompositeView {
-    private Cells cellLayout;
-    private int rows;
-    private int columns;
-    private boolean acrossThenDown;
-
-    @Override
-    protected void buildNewView() {
-        final CalendarCellContent[] cellContents = createContentForCells();
-        addCellsToView(cellContents);
-    }
-
-    private void addCellsToView(final CalendarCellContent[] cellContents) {
-        final View[] cells = new View[rows * columns];
-        for (int row = 0; row < rows; row++) {
-            for (int column = 0; column < columns; column++) {
-                final int cellNo = acrossThenDown ? row * columns + column : column * rows + row;
-                View cell;
-                if (cellContents[cellNo] == null) {
-                    cell = new BlankView(new NullContent());
-                } else {
-                    cell = new CompositeViewUsingBuilder(cellContents[cellNo], null, new Axes(), new StackLayout(), new CollectionElementBuilder(new IconElementFactory()));
-                    cell = new ScrollBorder(cell);
-                }
-                cells[cellNo] = cell;
-                addView(cell);
-            }
-        }
-    }
-
-    private CalendarCellContent[] createContentForCells() {
-        final CalendarCellContent[] cellContents = new CalendarCellContent[rows * columns];
-        final CollectionContent content = (CollectionContent) getContent();
-        for (final ObjectAdapter element : content.elements()) {
-            final Date date = dateFor(element);
-            if (date == null) {
-                continue;
-            }
-            final int period = cellLayout.getPeriodFor(date);
-            if (period >= 0 && period < cellContents.length) {
-                if (cellContents[period] == null) {
-                    cellContents[period] = new CalendarCellContent(cellLayout.title(period));
-                }
-                cellContents[period].addElement(element);
-            }
-        }
-        return cellContents;
-    }
-
-    private Date dateFor(final ObjectAdapter element) {
-        final ObjectAssociation dateField = findDate(element);
-        if (dateField == null) {
-            return null;
-        }
-        final DateValueFacet facet = dateField.getSpecification().getFacet(DateValueFacet.class);
-        final ObjectAdapter field = dateField.get(element);
-        final Date date = facet.dateValue(field);
-        return date;
-    }
-
-    private ObjectAssociation findDate(final ObjectAdapter adapter) {
-        final ObjectSpecification spec = adapter.getSpecification();
-        final List<ObjectAssociation> fields = spec.getAssociations();
-        for (int i = 0; i < fields.size(); i++) {
-            final Facet facet = fields.get(i).getSpecification().getFacet(DateValueFacet.class);
-            if (facet != null) {
-                return fields.get(i);
-            }
-        }
-        return null;
-    }
-
-    @Override
-    protected void buildModifiedView() {
-        disposeContentsOnly();
-        buildNewView();
-    }
-
-    // TODO remove
-    @Override
-    protected void buildView() {
-        throw new UnexpectedCallException();
-    }
-
-    @Override
-    protected void doLayout(final Size maximumSize) {
-        final boolean hasHeader = cellLayout.header(0) != null;
-        final int topInset = 0 + (acrossThenDown && hasHeader ? 30 : 0);
-        final int leftInset = !acrossThenDown && hasHeader ? 50 : 0;
-        final int width = maximumSize.getWidth();
-        final int height = maximumSize.getHeight();
-        final int columnWidth = (width - leftInset) / columns;
-        final int rowHeight = (height - topInset) / rows;
-
-        final View[] cells = getSubviews();
-        int i = 0;
-        final int top = CalendarConstants.style.getLineHeight() + ViewConstants.VPADDING;
-        CalendarConstants.style.getLineSpacing();
-        final Location location = new Location(leftInset, topInset + top);
-        final Size size = new Size(columnWidth, rowHeight - top);
-        for (int row = 0; row < rows; row++) {
-            for (int column = 0; column < columns; column++) {
-                final View cell = cells[i++];
-                cell.setSize(size);
-                cell.setLocation(location);
-                location.add(columnWidth, 0);
-            }
-            location.setX(leftInset);
-            location.add(0, rowHeight);
-        }
-    }
-
-    @Override
-    public Size requiredSize(final Size availableSpace) {
-        return new Size(300, 300);
-    }
-
-    protected CalendarGrid(final Content content) {
-        super(content, null);
-
-        cellLayout = new DayCells(null);
-        acrossThenDown = true;
-        rows = cellLayout.defaultRows();
-        columns = cellLayout.defaultColumns();
-        cellLayout.add(-rows * columns / 2);
-    }
-
-    @Override
-    public void setFocusManager(final FocusManager focusManager) {
-        // this.focusManager = focusManager;
-    }
-
-    @Override
-    public void draw(final Canvas canvas) {
-        super.draw(canvas);
-
-        final boolean hasHeader = cellLayout.header(0) != null;
-        final int topInset = 0 + (acrossThenDown && hasHeader ? 30 : 0);
-        final int leftInset = !acrossThenDown && hasHeader ? 50 : 0;
-        final int width = getSize().getWidth();
-        final int height = getSize().getHeight();
-        final int columnWidth = (width - leftInset) / columns;
-        final int rowHeight = (height - topInset) / rows;
-
-        for (int row = 0; row < rows; row++) {
-            final int y = topInset + row * rowHeight;
-            if (!acrossThenDown && hasHeader) {
-                canvas.drawText(cellLayout.header(row), 0, y + 20, CalendarConstants.textColor, CalendarConstants.style);
-            }
-            canvas.drawLine(leftInset, y, width, y, CalendarConstants.lineColor);
-        }
-        canvas.drawLine(leftInset, topInset + height - 1, width, topInset + height - 1, CalendarConstants.lineColor);
-
-        for (int column = 0; column < columns; column++) {
-            final int x = leftInset + column * columnWidth;
-            if (acrossThenDown && hasHeader) {
-                canvas.drawText(cellLayout.header(column), x, topInset - 5, CalendarConstants.textColor, CalendarConstants.style);
-            }
-            canvas.drawLine(x, topInset, x, topInset + height, CalendarConstants.lineColor);
-        }
-        canvas.drawLine(width - 1, topInset, width - 1, height, CalendarConstants.lineColor);
-
-        for (int row = 0; row < rows; row++) {
-            final int y = topInset + row * rowHeight + CalendarConstants.style.getAscent() + 2;
-            for (int column = 0; column < columns; column++) {
-                final int x = leftInset + column * columnWidth + 2;
-                final int cell = acrossThenDown ? row * columns + column : column * rows + row;
-                canvas.drawText(cellLayout.title(cell), x, y, CalendarConstants.textColor, CalendarConstants.style);
-            }
-        }
-    }
-
-    void addRow() {
-        rows++;
-        invalidateContent();
-        markDamaged();
-    }
-
-    void removeRow() {
-        rows--;
-        invalidateContent();
-        markDamaged();
-    }
-
-    void addColumn() {
-        columns++;
-        invalidateContent();
-        markDamaged();
-    }
-
-    void removeColumn() {
-        columns--;
-        invalidateContent();
-        markDamaged();
-    }
-
-    void showYears() {
-        cellLayout = new YearCells(cellLayout);
-        show();
-    }
-
-    void showMonths() {
-        cellLayout = new MonthCells(cellLayout);
-        show();
-    }
-
-    void showWeeks() {
-        cellLayout = new WeekCells(cellLayout);
-        show();
-    }
-
-    void show() {
-        cellLayout.roundDown();
-        rows = cellLayout.defaultRows();
-        columns = cellLayout.defaultColumns();
-        invalidateContent();
-        markDamaged();
-    }
-
-    void showSingleDay() {
-        cellLayout = new SingleDayCells(cellLayout);
-        show();
-    }
-
-    void showDays() {
-        cellLayout = new DayCells(cellLayout);
-        show();
-    }
-
-    void acrossFirst() {
-        acrossThenDown = true;
-        final int temp = rows;
-        rows = columns;
-        columns = temp;
-        invalidateContent();
-        markDamaged();
-    }
-
-    void downFirst() {
-        acrossThenDown = false;
-        final int temp = rows;
-        rows = columns;
-        columns = temp;
-        invalidateContent();
-        markDamaged();
-    }
-
-    void nextPeriod() {
-        cellLayout.add(rows * columns);
-        invalidateContent();
-        markDamaged();
-    }
-
-    void previousePeriod() {
-        cellLayout.add(-rows * columns);
-        invalidateContent();
-        markDamaged();
-    }
-
-    void today() {
-        cellLayout.today();
-        invalidateContent();
-        markDamaged();
-    }
-
-    @Override
-    public void viewMenuOptions(final UserActionSet options) {
-        super.viewMenuOptions(options);
-
-        options.add(new UserActionAbstract("Add row") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                addRow();
-            }
-        });
-        options.add(new UserActionAbstract("Remove row") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                removeRow();
-            }
-        });
-
-        options.add(new UserActionAbstract("Add column") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                addColumn();
-            }
-        });
-        options.add(new UserActionAbstract("Remove column") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                removeColumn();
-            }
-        });
-
-        options.add(new UserActionAbstract("Years") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                showYears();
-            }
-        });
-
-        options.add(new UserActionAbstract("Months") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                showMonths();
-            }
-        });
-
-        options.add(new UserActionAbstract("Weeks") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                showWeeks();
-            }
-        });
-
-        options.add(new UserActionAbstract("Day") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                showSingleDay();
-            }
-        });
-        options.add(new UserActionAbstract("Days") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                showDays();
-            }
-        });
-
-        options.add(new UserActionAbstract("Across then down") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                acrossFirst();
-            }
-        });
-
-        options.add(new UserActionAbstract("Down then across") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                downFirst();
-            }
-        });
-
-        options.add(new UserActionAbstract("Previous period") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                previousePeriod();
-            }
-        });
-
-        options.add(new UserActionAbstract("Next period") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                nextPeriod();
-            }
-        });
-
-        options.add(new UserActionAbstract("Today") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                today();
-            }
-        });
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarSpecification.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarSpecification.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarSpecification.java
deleted file mode 100644
index 7cddd07..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarSpecification.java
+++ /dev/null
@@ -1,100 +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.dnd.calendar;
-
-import java.util.List;
-
-import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
-import org.apache.isis.core.progmodel.facets.value.date.DateValueFacet;
-import org.apache.isis.viewer.dnd.view.Axes;
-import org.apache.isis.viewer.dnd.view.CompositeViewSpecification;
-import org.apache.isis.viewer.dnd.view.Content;
-import org.apache.isis.viewer.dnd.view.View;
-import org.apache.isis.viewer.dnd.view.ViewRequirement;
-import org.apache.isis.viewer.dnd.view.base.Layout;
-import org.apache.isis.viewer.dnd.view.collection.CollectionContent;
-import org.apache.isis.viewer.dnd.view.composite.StackLayout;
-import org.apache.isis.viewer.dnd.view.composite.ViewBuilder;
-
-public class CalendarSpecification implements CompositeViewSpecification {
-
-    public Layout createLayout(final Content content, final Axes axes) {
-        return new StackLayout();
-    }
-
-    public void createAxes(final Content content, final Axes axes) {
-        // axes.add(new CalendarAxis());
-    }
-
-    @Override
-    public View createView(final Content content, final Axes axes, final int sequence) {
-        return new CalendarView(content, this);
-        // return new ViewResizeBorder(new CalendarView(content, this));
-    }
-
-    @Override
-    public boolean canDisplay(final ViewRequirement requirement) {
-        final boolean openCollection = requirement.isCollection() && requirement.isOpen();
-        if (openCollection) {
-            final List<OneToOneAssociation> propertyList = ((CollectionContent) requirement.getContent()).getElementSpecification().getProperties();
-            for (final OneToOneAssociation association : propertyList) {
-                if (!association.isAlwaysHidden() && association.getSpecification().containsFacet(DateValueFacet.class)) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
-    @Override
-    public String getName() {
-        return "Calendar (experimental) ";
-    }
-
-    @Override
-    public boolean isOpen() {
-        return true;
-    }
-
-    @Override
-    public boolean isReplaceable() {
-        return true;
-    }
-
-    @Override
-    public boolean isSubView() {
-        return false;
-    }
-
-    public ViewBuilder getSubviewBuilder() {
-        return null;
-    }
-
-    @Override
-    public boolean isAligned() {
-        return false;
-    }
-
-    @Override
-    public boolean isResizeable() {
-        return true;
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarView.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarView.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarView.java
deleted file mode 100644
index d8dfc7e..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/CalendarView.java
+++ /dev/null
@@ -1,199 +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.dnd.calendar;
-
-import org.apache.log4j.Logger;
-
-import org.apache.isis.viewer.dnd.drawing.Bounds;
-import org.apache.isis.viewer.dnd.drawing.Location;
-import org.apache.isis.viewer.dnd.drawing.Size;
-import org.apache.isis.viewer.dnd.field.DatePickerControl;
-import org.apache.isis.viewer.dnd.toolbar.ToolbarView;
-import org.apache.isis.viewer.dnd.view.Content;
-import org.apache.isis.viewer.dnd.view.FocusManager;
-import org.apache.isis.viewer.dnd.view.View;
-import org.apache.isis.viewer.dnd.view.ViewSpecification;
-import org.apache.isis.viewer.dnd.view.Workspace;
-import org.apache.isis.viewer.dnd.view.composite.CompositeView;
-import org.apache.isis.viewer.dnd.view.content.NullContent;
-import org.apache.isis.viewer.dnd.view.control.AbstractButtonAction;
-import org.apache.isis.viewer.dnd.view.control.Button;
-
-public class CalendarView extends CompositeView {
-    private static final Logger LOG = Logger.getLogger(CalendarView.class);
-
-    protected CalendarView(final Content content, final ViewSpecification specification) {
-        super(content, specification);
-    }
-
-    @Override
-    public void doLayout(final Size maximumSize) {
-        LOG.debug("doLayout() " + maximumSize + "  " + getSize());
-        final View toolbar = getSubviews()[0];
-        maximumSize.contract(getPadding());
-        final Size toolbarSize = toolbar.getRequiredSize(maximumSize);
-        LOG.debug("   toolbar " + toolbarSize);
-        Bounds bounds = new Bounds(toolbarSize);
-        toolbar.setBounds(bounds);
-
-        final View grid = getSubviews()[1];
-        final Size gridSize = getRequiredSize(Size.createMax());
-        gridSize.contract(getPadding());
-        gridSize.contractHeight(toolbarSize.getHeight());
-        bounds = new Bounds(new Location(0, toolbarSize.getHeight()), gridSize);
-        grid.setBounds(bounds);
-        LOG.debug("   grid " + toolbarSize);
-
-    }
-
-    @Override
-    public void setFocusManager(final FocusManager focusManager) {
-        // this.focusManager = focusManager;
-    }
-
-    @Override
-    public Size requiredSize(final Size availableSpace) {
-        final Size workspace = getWorkspace().getSize();
-        return new Size((int) (workspace.getWidth() * 0.8), (int) (workspace.getHeight() * 0.8));
-    }
-
-    @Override
-    protected void buildView() {
-        if (subviews().length == 0) {
-            final CalendarGrid grid = new CalendarGrid(getContent());
-            final ToolbarView toolbar = createToolbar(grid);
-            addView(toolbar);
-            addView(grid);
-        } else {
-            // TODO update grid view
-        }
-    }
-
-    private ToolbarView createToolbar(final CalendarGrid calendar) {
-        final ToolbarView toolbarView = new ToolbarView(getContent(), null);
-
-        toolbarView.addView(new Button(new AbstractButtonAction("+Row") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.addRow();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("-Row") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.removeRow();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Across") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.acrossFirst();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Down") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.downFirst();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Next") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.nextPeriod();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Previous") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.previousePeriod();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Day") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.showSingleDay();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Days") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.showDays();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Weeks") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.showWeeks();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Months") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.showMonths();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Years") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.showYears();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Today") {
-            @Override
-            public void execute(final Workspace workspace, final View view, final Location at) {
-                calendar.today();
-            }
-        }, this));
-
-        toolbarView.addView(new Button(new AbstractButtonAction("Date") {
-            @Override
-            public void execute(final Workspace workspace, View view, final Location at) {
-                final Content content = new NullContent() {
-                };
-                view = DatePickerControl.getPicker(content);
-                calendar.today();
-                getViewManager().setOverlayView(view);
-            }
-        }, this));
-
-        return toolbarView;
-    }
-
-    /*
-     * public void invalidateLayout() { // super.invalidateLayout(); View parent
-     * = getParent(); if (parent != null) { // parent.invalidateLayout(); }
-     * isInvalid = true; View toolbar = getSubviews()[0];
-     * toolbar.invalidateLayout(); // View grid = getSubviews()[1]; //
-     * grid.invalidateLayout(); } protected boolean isLayoutInvalid() { return
-     * isInvalid; }
-     */
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cell.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cell.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cell.java
deleted file mode 100644
index 02c4577..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cell.java
+++ /dev/null
@@ -1,24 +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.dnd.calendar;
-
-public class Cell {
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cells.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cells.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cells.java
deleted file mode 100644
index ba2e21a..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/Cells.java
+++ /dev/null
@@ -1,74 +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.dnd.calendar;
-
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Calendar;
-import java.util.Date;
-
-public abstract class Cells {
-    protected final DateFormat monthFormat = new SimpleDateFormat("MMM");
-    protected final DateFormat dayFormat = new SimpleDateFormat("EEE");
-    protected Calendar date;
-
-    public Cells(final Cells replacing) {
-        if (replacing == null) {
-            today();
-        } else {
-            date = replacing.date;
-        }
-    }
-
-    public void today() {
-        date = Calendar.getInstance();
-        roundDown();
-    }
-
-    public final void setDate(final Calendar date) {
-        this.date = date;
-    }
-
-    public void roundDown() {
-    }
-
-    abstract int defaultRows();
-
-    abstract int defaultColumns();
-
-    abstract void add(int interval);
-
-    abstract String title(int cell);
-
-    public String header(final int cell) {
-        return null;
-    }
-
-    public int getPeriodFor(final Date date) {
-        final Calendar forDate = Calendar.getInstance();
-        forDate.setTime(date);
-        final int baseline = period(this.date);
-        final int comparativePeriod = period(forDate);
-        return baseline - comparativePeriod;
-    }
-
-    protected abstract int period(Calendar forDate);
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/DayCells.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/DayCells.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/DayCells.java
deleted file mode 100644
index 3913c08..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/DayCells.java
+++ /dev/null
@@ -1,71 +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.dnd.calendar;
-
-import java.util.Calendar;
-
-public class DayCells extends Cells {
-
-    public DayCells(final Cells replacing) {
-        super(replacing);
-    }
-
-    @Override
-    public int defaultColumns() {
-        return 7;
-    }
-
-    @Override
-    public int defaultRows() {
-        return 2;
-    }
-
-    @Override
-    public void add(final int interval) {
-        date.add(Calendar.DAY_OF_WEEK, interval);
-    }
-
-    @Override
-    public void roundDown() {
-        final int offset = date.get(Calendar.DAY_OF_WEEK) - date.getFirstDayOfWeek();
-        date.add(Calendar.DAY_OF_MONTH, -offset);
-    }
-
-    @Override
-    public String title(final int cell) {
-        final Calendar d = (Calendar) date.clone();
-        d.add(Calendar.DAY_OF_WEEK, cell);
-        final String displayName = dayFormat.format(d.getTime()) + " " + d.get(Calendar.DAY_OF_MONTH) + " " + monthFormat.format(d.getTime());
-        return displayName;
-    }
-
-    @Override
-    public String header(final int cell) {
-        final Calendar d = (Calendar) date.clone();
-        d.add(Calendar.DAY_OF_WEEK, cell);
-        return dayFormat.format(d.getTime());
-    }
-
-    @Override
-    protected int period(final Calendar forDate) {
-        return forDate.get(Calendar.YEAR) * 12 - forDate.get(Calendar.DAY_OF_YEAR);
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/MonthCells.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/MonthCells.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/MonthCells.java
deleted file mode 100644
index 7596e63..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/MonthCells.java
+++ /dev/null
@@ -1,62 +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.dnd.calendar;
-
-import java.util.Calendar;
-
-public class MonthCells extends Cells {
-
-    public MonthCells(final Cells replacing) {
-        super(replacing);
-    }
-
-    @Override
-    public int defaultColumns() {
-        return 4;
-    }
-
-    @Override
-    public int defaultRows() {
-        return 3;
-    }
-
-    @Override
-    public void roundDown() {
-        date.set(Calendar.MONTH, 0);
-    }
-
-    @Override
-    public void add(final int interval) {
-        date.add(Calendar.MONTH, interval);
-    }
-
-    @Override
-    public String title(final int cell) {
-        final Calendar d = (Calendar) date.clone();
-        d.add(Calendar.MONTH, cell);
-        final String displayName = monthFormat.format(d.getTime()) + " " + d.get(Calendar.YEAR);
-        return displayName;
-    }
-
-    @Override
-    protected int period(final Calendar forDate) {
-        return forDate.get(Calendar.YEAR) * 12 - forDate.get(Calendar.MONTH);
-    }
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/SingleDayCells.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/SingleDayCells.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/SingleDayCells.java
deleted file mode 100644
index 2726017..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/SingleDayCells.java
+++ /dev/null
@@ -1,58 +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.dnd.calendar;
-
-import java.util.Calendar;
-
-public class SingleDayCells extends Cells {
-
-    public SingleDayCells(final Cells replacing) {
-        super(replacing);
-    }
-
-    @Override
-    public int defaultColumns() {
-        return 1;
-    }
-
-    @Override
-    public int defaultRows() {
-        return 1;
-    }
-
-    @Override
-    public void add(final int interval) {
-        date.add(Calendar.DAY_OF_WEEK, interval);
-    }
-
-    @Override
-    public String title(final int cell) {
-        final Calendar d = (Calendar) date.clone();
-        d.add(Calendar.DAY_OF_WEEK, cell);
-        final String displayName = dayFormat.format(d.getTime()) + " " + d.get(Calendar.DAY_OF_MONTH) + " " + monthFormat.format(d.getTime());
-        return displayName;
-    }
-
-    @Override
-    protected int period(final Calendar forDate) {
-        return forDate.get(Calendar.YEAR) * 12 - forDate.get(Calendar.DAY_OF_YEAR);
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/WeekCells.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/WeekCells.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/WeekCells.java
deleted file mode 100644
index 2e7c221..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/WeekCells.java
+++ /dev/null
@@ -1,61 +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.dnd.calendar;
-
-import java.util.Calendar;
-
-public class WeekCells extends Cells {
-
-    public WeekCells(final Cells replacing) {
-        super(replacing);
-    }
-
-    @Override
-    public int defaultColumns() {
-        return 4;
-    }
-
-    @Override
-    public int defaultRows() {
-        return 3;
-    }
-
-    @Override
-    public void add(final int interval) {
-        add(date, interval);
-    }
-
-    public void add(final Calendar d, final int interval) {
-        d.add(Calendar.DAY_OF_MONTH, 7 * interval);
-    }
-
-    @Override
-    public String title(final int cell) {
-        final Calendar d = (Calendar) date.clone();
-        add(d, cell);
-        final String displayName = d.get(Calendar.DAY_OF_MONTH) + " " + monthFormat.format(d.getTime());
-        return "w/b " + displayName;
-    }
-
-    @Override
-    protected int period(final Calendar forDate) {
-        return forDate.get(Calendar.YEAR) * 12 - forDate.get(Calendar.WEEK_OF_YEAR);
-    }
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/YearCells.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/YearCells.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/YearCells.java
deleted file mode 100644
index 09f828a..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/calendar/YearCells.java
+++ /dev/null
@@ -1,57 +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.dnd.calendar;
-
-import java.util.Calendar;
-
-public class YearCells extends Cells {
-
-    public YearCells(final Cells replacing) {
-        super(replacing);
-    }
-
-    @Override
-    public int defaultColumns() {
-        return 4;
-    }
-
-    @Override
-    public int defaultRows() {
-        return 2;
-    }
-
-    @Override
-    public void add(final int interval) {
-        date.add(Calendar.YEAR, interval);
-    }
-
-    @Override
-    public String title(final int cell) {
-        final Calendar d = (Calendar) date.clone();
-        d.add(Calendar.YEAR, cell);
-        final String displayName = d.get(Calendar.YEAR) + "";
-        return displayName;
-    }
-
-    @Override
-    protected int period(final Calendar forDate) {
-        return forDate.get(Calendar.YEAR);
-    }
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/ExpandableListSpecification.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/ExpandableListSpecification.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/ExpandableListSpecification.java
deleted file mode 100644
index 710bb8e..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/ExpandableListSpecification.java
+++ /dev/null
@@ -1,52 +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.dnd.combined;
-
-import org.apache.isis.viewer.dnd.form.ExpandableViewBorder;
-import org.apache.isis.viewer.dnd.icon.IconElementFactory;
-import org.apache.isis.viewer.dnd.view.ViewFactory;
-import org.apache.isis.viewer.dnd.view.composite.AbstractCollectionViewSpecification;
-
-public class ExpandableListSpecification extends AbstractCollectionViewSpecification {
-
-    public ExpandableListSpecification() {
-        builder.addSubviewDecorator(new ExpandableViewBorder.Factory());
-    }
-
-    @Override
-    protected ViewFactory createElementFactory() {
-        return new IconElementFactory();
-    }
-
-    @Override
-    public String getName() {
-        return "Expanding List (experimental)";
-    }
-
-    // TODO this should be available if an item can be given more space
-    /*
-     * @Override public boolean canDisplay(final Content content,
-     * ViewRequirement requirement) { return content.isCollection() &&
-     * requirement.is(ViewRequirement.CLOSED) &&
-     * requirement.is(ViewRequirement.SUBVIEW) &&
-     * requirement.is(ViewRequirement.SUBVIEW); }
-     */
-
-}

http://git-wip-us.apache.org/repos/asf/isis/blob/eb613703/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/FormWithTableSpecification.java
----------------------------------------------------------------------
diff --git a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/FormWithTableSpecification.java b/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/FormWithTableSpecification.java
deleted file mode 100644
index 4dc499d..0000000
--- a/component/viewer/dnd/src/main/java/org/apache/isis/viewer/dnd/combined/FormWithTableSpecification.java
+++ /dev/null
@@ -1,114 +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.dnd.combined;
-
-import java.util.List;
-
-import org.apache.isis.applib.annotation.Where;
-import org.apache.isis.core.commons.authentication.AuthenticationSession;
-import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
-import org.apache.isis.core.metamodel.spec.ObjectSpecification;
-import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
-import org.apache.isis.core.metamodel.spec.feature.ObjectAssociationFilters;
-import org.apache.isis.runtimes.dflt.runtime.system.context.IsisContext;
-import org.apache.isis.viewer.dnd.form.FormSpecification;
-import org.apache.isis.viewer.dnd.table.InternalTableSpecification;
-import org.apache.isis.viewer.dnd.view.Axes;
-import org.apache.isis.viewer.dnd.view.Content;
-import org.apache.isis.viewer.dnd.view.Toolkit;
-import org.apache.isis.viewer.dnd.view.View;
-import org.apache.isis.viewer.dnd.view.base.Layout;
-import org.apache.isis.viewer.dnd.view.composite.GridLayout;
-import org.apache.isis.viewer.dnd.view.composite.StackLayout;
-
-public class FormWithTableSpecification extends SplitViewSpecification {
-
-    // REVIEW: confirm this rendering context
-    final Where where = Where.OBJECT_FORMS;
-
-    @Override
-    public Layout createLayout(final Content content, final Axes axes) {
-        return new StackLayout();
-    }
-
-    @Override
-    View createMainView(final Axes axes, final Content mainContent, final Content secondaryContent) {
-        final View form1 = new FormSpecification() {
-            @Override
-            protected boolean include(final Content content, final int sequence) {
-                return !secondaryContent.getId().equals(content.getId());
-            };
-
-            @Override
-            public Layout createLayout(final Content content, final Axes axes) {
-                final GridLayout gridLayout = new GridLayout();
-                gridLayout.setSize(2);
-                return gridLayout;
-            }
-        }.createView(mainContent, axes, -1);
-        return form1;
-    }
-
-    @Override
-    View createSecondaryView(final Axes axes, final Content fieldContent) {
-        return new InternalTableSpecification().createView(fieldContent, axes, -1);
-    }
-
-    @Override
-    Content determineSecondaryContent(final Content content) {
-        final ObjectSpecification spec = content.getSpecification();
-        final ObjectAdapter target = content.getAdapter();
-        final AuthenticationSession session = IsisContext.getAuthenticationSession();
-        final List<ObjectAssociation> fields = spec.getAssociations(ObjectAssociationFilters.dynamicallyVisible(session, target, where));
-        for (final ObjectAssociation field : fields) {
-            if (field.isOneToManyAssociation()) {
-                return Toolkit.getContentFactory().createFieldContent(field, target);
-            }
-        }
-        return null;
-    }
-
-    /*
-     * 
-     * @Override protected void init() { addSubviewDecorator(new
-     * FieldLabelsDecorator() { public View decorate(Axes axes, View view) { if
-     * (view.getContent().isCollection()) { return view; } else { return
-     * super.decorate(axes, view); } } }); addViewDecorator(new
-     * IconBorder.Factory()); }
-     * 
-     * @Override protected SubviewSpec createFieldFactory() { return new
-     * SubviewSpec() { public View createView(final Content content, Axes axes,
-     * int sequence) { if (content.isCollection()) { return new
-     * InternalTableSpecification().createView(content, axes, sequence); } else
-     * { final ViewFactory factory = Toolkit.getViewFactory(); int requirement =
-     * ViewRequirement.CLOSED | ViewRequirement.SUBVIEW; ViewRequirement
-     * viewRequirement = new ViewRequirement(content, requirement); return
-     * factory.createView(viewRequirement); } } }; }
-     */
-    @Override
-    public String getName() {
-        return "Form with table (experimental)";
-    }
-
-    @Override
-    boolean validField(final ObjectAssociation field) {
-        return false;
-    }
-}