import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.ECLASS__EOPERATIONS));

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES));

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

import org.eclipse.emf.ecoretools.diagram.edit.policies.ReorderingCompartmentEditPolicy;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.EANNOTATION__DETAILS));

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

import org.eclipse.emf.ecoretools.diagram.edit.policies.ReorderingCompartmentEditPolicy;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.EENUM__ELITERALS));

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.ECLASS__EOPERATIONS));

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

import org.eclipse.emf.ecoretools.diagram.edit.policies.ReorderingCompartmentEditPolicy;

import org.eclipse.gef.Request;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.EENUM__ELITERALS));

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.emf.ecore.EcorePackage;

import org.eclipse.emf.ecoretools.diagram.edit.policies.CompartmentChildCreationEditPolicy;

		FlowLayout layout = new FlowLayout();

		layout.setMajorSpacing(getMapMode().DPtoLP(0));

		layout.setMinorSpacing(getMapMode().DPtoLP(0));

		layout.setHorizontal(false);

		result.getContentPane().setLayoutManager(layout);

		// Add a policy used to reorder children

		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ReorderingCompartmentEditPolicy(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES));

/**

 * Copyright (c) 2008 Anyware Technologies and others

 * 

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *    Anyware Technologies - initial API and implementation

 */

package org.eclipse.emf.ecoretools.diagram.edit.policies;

import java.util.List;

import org.eclipse.draw2d.FlowLayout;

import org.eclipse.draw2d.IFigure;

import org.eclipse.draw2d.geometry.Point;

import org.eclipse.draw2d.geometry.Rectangle;

import org.eclipse.draw2d.geometry.Transposer;

import org.eclipse.emf.ecoretools.diagram.edit.commands.CompartmentChildCreateCommand;

import org.eclipse.emf.transaction.TransactionalEditingDomain;

import org.eclipse.gef.EditPart;

import org.eclipse.gef.Request;

import org.eclipse.gef.commands.Command;

import org.eclipse.gef.requests.DropRequest;

import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;

import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;

import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;

import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;

import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;

import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;

import org.eclipse.gmf.runtime.notation.View;

/**

 * A CreationEditPolicy that could be used in addition with a FlowLayout to

 * support child ordering at creation

 * 

 * Creation : 28 mar. 2008

 * 

 * @author <a href="mailto:jacques.lescot@anyware-tech.com">Jacques LESCOT</a>

 */

public class CompartmentChildCreationEditPolicy extends EcoreCreationEditPolicy {

	/**

	 * @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy#getCreateCommand(org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest)

	 */

	protected Command getCreateCommand(CreateViewRequest request) {

		TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();

		CompositeTransactionalCommand cc = new CompositeTransactionalCommand(editingDomain, DiagramUIMessages.AddCommand_Label);

		for (CreateViewRequest.ViewDescriptor descriptor : (List<CreateViewRequest.ViewDescriptor>) request.getViewDescriptors()) {

			cc.compose(new CompartmentChildCreateCommand(editingDomain, descriptor, (View) (getHost().getModel()), getFeedbackIndexFor(request)));

		}

		return new ICommandProxy(cc.reduce());

	}

	protected int getFeedbackIndexFor(Request request) {

		List<EditPart> children = (List<EditPart>) getHost().getChildren();

		if (children.isEmpty())

			return -1;

		Transposer transposer = new Transposer();

		transposer.setEnabled(!isHorizontal());

		Point p = transposer.t(getLocationFromRequest(request));

		// EcoreDiagramEditorPlugin.getInstance().getLog().log(new

		// Status(IStatus.INFO, EcoreDiagramEditorPlugin.ID, p.toString()));

		// Current row bottom, initialize to below the bottom.

		int rowBottom = Integer.MIN_VALUE;

		int candidate = -1;

		// When the request is created outside the Compartment, the element is

		// added at the end of the list (this is the case when the element is

		// created from the parent header accelerator

		if (transposer.t(getAbsoluteBounds(((GraphicalEditPart) getHost()))).contains(p)) {

			for (int i = 0; i < children.size(); i++) {

				EditPart child = children.get(i);

				Rectangle rect = transposer.t(getAbsoluteBounds(((GraphicalEditPart) child)));

				if (rect.y > rowBottom) {

					// We are in a new row, so if we don't have a candidate but

					// yet are within the previous row, then the current entry

					// becomes the candidate. This is because we know we must be

					// to the right of center of the last Figure in the previous

					// row, so this Figure (which is at the start of a new row)

					// is the candidate.

					if (p.y <= rowBottom) {

						if (candidate == -1) {

							candidate = i;

						}

						break;

					} else {

						// Mouse's Y is outside the row, so reset the candidate

						candidate = -1;

					}

				}

				rowBottom = Math.max(rowBottom, rect.bottom());

				if (candidate == -1) {

					// See if we have a possible candidate. It is a candidate if

					// the cursor is left of the center of this candidate.

					if (p.x <= rect.x + (rect.width / 2)) {

						candidate = i;

					}

				}

				if (candidate != -1) {

					// We have a candidate, see if the rowBottom has grown to

					// include the mouse Y.

					if (p.y <= rowBottom) {

						// Now we have determined that the cursor.Y is above the

						// bottom of the current row of figures. Stop now, to

						// prevent the next row from being searched

						break;

					}

				}

			}

		}

		return candidate;

	}

	protected boolean isHorizontal() {

		IFigure figure = ((GraphicalEditPart) getHost()).getContentPane();

		return ((FlowLayout) figure.getLayoutManager()).isHorizontal();

	}

	private Point getLocationFromRequest(Request request) {

		return ((DropRequest) request).getLocation();

	}

	private Rectangle getAbsoluteBounds(GraphicalEditPart ep) {

		Rectangle bounds = ep.getFigure().getBounds().getCopy();

		ep.getFigure().translateToAbsolute(bounds);

		return bounds;

	}

}

/**

 * Copyright (c) 2008, 2009 Anyware Technologies and others

 * 

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *    Anyware Technologies - initial API and implementation

 */

package org.eclipse.emf.ecoretools.diagram.edit.commands;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.core.runtime.Assert;

import org.eclipse.core.runtime.IAdaptable;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.emf.transaction.TransactionalEditingDomain;

import org.eclipse.gmf.runtime.common.core.command.CommandResult;

import org.eclipse.gmf.runtime.diagram.core.services.ViewService;

import org.eclipse.gmf.runtime.diagram.ui.commands.CreateCommand;

import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest.ViewDescriptor;

import org.eclipse.gmf.runtime.notation.View;

/**

 * Command used to add a child element at a specified position

 * (it should be installed in a Compartment using a List layout).

 * 

 * Creation : 28 mar. 2008

 * 

 * @author <a href="mailto:jacques.lescot@anyware-tech.com">Jacques LESCOT</a>

 */

public class CompartmentChildCreateCommand extends CreateCommand {

	private int index;

	public CompartmentChildCreateCommand(TransactionalEditingDomain editingDomain, ViewDescriptor viewDescriptor, View containerView, int index) {

		super(editingDomain, viewDescriptor, containerView);

		this.index = index;

	}

	/**

	 * @see org.eclipse.gmf.runtime.diagram.ui.commands.CreateCommand#doExecuteWithResult(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {

		View view = ViewService.getInstance().createView(viewDescriptor.getViewKind(), viewDescriptor.getElementAdapter(), containerView, viewDescriptor.getSemanticHint(), index,

				viewDescriptor.isPersisted(), viewDescriptor.getPreferencesHint());

		Assert.isNotNull(view, "failed to create a view"); //$NON-NLS-1$

		viewDescriptor.setView(view);

		return CommandResult.newOKCommandResult(viewDescriptor);

	}

}

/**

 * Copyright (c) 2008, 2009 Anyware Technologies and others

 * 

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *    Anyware Technologies - initial API and implementation

 */

package org.eclipse.emf.ecoretools.diagram.edit.commands;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.core.runtime.IAdaptable;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.emf.transaction.TransactionalEditingDomain;

import org.eclipse.gef.EditPart;

import org.eclipse.gmf.runtime.common.core.command.CommandResult;

import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;

import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;

import org.eclipse.gmf.runtime.notation.View;

/**

 * Command used to reorder an element both in the domain model and graphically

 * (it should be installed in a Compartment using a List layout).

 * 

 * Creation : 11 mar. 2008

 * 

 * @author <a href="mailto:jacques.lescot@anyware-tech.com">Jacques LESCOT</a>

 */

public class CompartmentReorderEObjectCommand extends AbstractTransactionalCommand {

	// The child EditPart to move

	EditPart childEditPart = null;

	// The EditPart that should be after the moved one when the command is done

	EditPart afterEditPart = null;

	// The list of elements in which reposition will take place (domain model

	// side).

	private EList<EObject> elements;

	/**

	 * Constructs a runtime instance of

	 * <code>CompartmentReorderEObjectCommand</code>.

	 * 

	 * @param editingDomain

	 *            the editing domain through which model changes are made

	 * @param label

	 *            label for command

	 * @param elements

	 *            the list of elements in which reposition will take place

	 * @param childEditPart

	 *            the child being moved

	 * @param afterEditPart

	 *            <code>null</code> or the EditPart that should be after (or to

	 *            the right of) the child being moved

	 */

	public CompartmentReorderEObjectCommand(TransactionalEditingDomain editingDomain, String label, EList<EObject> elements, EditPart childEditPart, EditPart afterEditPart) {

		super(editingDomain, label, getWorkspaceFiles(((View) childEditPart.getModel()).getElement()));

		this.elements = elements;

		this.childEditPart = childEditPart;

		this.afterEditPart = afterEditPart;

	}

	/**

	 * @see org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand#doExecuteWithResult(org.eclipse.core.runtime.IProgressMonitor,

	 *      org.eclipse.core.runtime.IAdaptable)

	 */

	protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {

		CommandResult commandResult = null;

		try {

			View movedView = (View) childEditPart.getModel();

			EObject movedElement = movedView.getElement();

			View afterView = afterEditPart == null ? null : (View) afterEditPart.getModel();

			EObject afterElement = afterView == null ? null : afterView.getElement();

			// 1. Reorder the movedElement in the domain model

			int newSemanticPosition = afterElement == null ? elements.size() - 1 : elements.indexOf(afterElement) > elements.indexOf(movedElement) ? elements.indexOf(afterElement) - 1 : elements

					.indexOf(afterElement);

			elements.move(newSemanticPosition, movedElement);

			// 2. And then reorder the movedElement graphically

			EList<?> views = ((View) movedView.eContainer()).getChildren();

			int newViewPosition = afterView == null ? views.size() - 1 : views.indexOf(afterView) > views.indexOf(movedView) ? views.indexOf(afterView) - 1 : views.indexOf(afterView);

			ViewUtil.repositionChildAt((View) childEditPart.getParent().getModel(), (View) childEditPart.getModel(), newViewPosition);

		} catch (RuntimeException exp) {

			commandResult = CommandResult.newErrorCommandResult(exp);

		}

		return (commandResult == null) ? CommandResult.newOKCommandResult() : commandResult;

	}

}

/**

 * Copyright (c) 2008, 2009 Anyware Technologies and others

 * 

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *    Anyware Technologies - initial API and implementation

 */

package org.eclipse.emf.ecoretools.diagram.edit.policies;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.emf.ecore.EStructuralFeature;

import org.eclipse.emf.ecoretools.diagram.edit.commands.CompartmentReorderEObjectCommand;

import org.eclipse.emf.ecoretools.diagram.part.EcoreVisualIDRegistry;

import org.eclipse.emf.transaction.TransactionalEditingDomain;

import org.eclipse.gef.EditPart;

import org.eclipse.gef.EditPolicy;

import org.eclipse.gef.Request;

import org.eclipse.gef.commands.Command;

import org.eclipse.gef.commands.UnexecutableCommand;

import org.eclipse.gef.requests.CreateRequest;

import org.eclipse.gmf.runtime.diagram.core.commands.AddCommand;

import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;

import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;

import org.eclipse.gmf.runtime.diagram.ui.editpolicies.ResizableEditPolicyEx;

import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants;

import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;

import org.eclipse.gmf.runtime.notation.View;

/**

 * A LayoutEditPolicy that could be used in addition with a FlowLayout to

 * support child reordering

 * 

 * Creation : 11 mar. 2008

 * 

 * @author <a href="mailto:jacques.lescot@anyware-tech.com">Jacques LESCOT</a>

 */

public class ReorderingCompartmentEditPolicy extends org.eclipse.gef.editpolicies.FlowLayoutEditPolicy {

	// The domain model list that contains the element to reorder

	private EStructuralFeature feature = null;

	/**

	 * @param feature

	 *            The EStructutalFeature containing elements to reorder

	 */

	public ReorderingCompartmentEditPolicy(EStructuralFeature feature) {

		super();

		this.feature = feature;

	}

	/**

	 * @see org.eclipse.gef.editpolicies.OrderedLayoutEditPolicy#createAddCommand(org.eclipse.gef.EditPart,

	 *      org.eclipse.gef.EditPart)

	 */

	protected Command createAddCommand(EditPart child, EditPart after) {

		View viewToMove = (View) child.getModel();

		if (viewToMove != null) {

			View newParentView = (View) getHost().getModel();

			if (newParentView != null) {

				// We check if the move/add is possible at notational level

				if (EcoreVisualIDRegistry.canCreateNode(newParentView, EcoreVisualIDRegistry.getVisualID(viewToMove.getType()))) {

					int index = getHost().getChildren().indexOf(after);

					TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();

					AddCommand command = new AddCommand(editingDomain, new EObjectAdapter(newParentView), new EObjectAdapter(viewToMove), index);

					return new ICommandProxy(command);

				}

			}

		}

		return UnexecutableCommand.INSTANCE;

	}

	/**

	 * @see org.eclipse.gef.editpolicies.OrderedLayoutEditPolicy#createChildEditPolicy(org.eclipse.gef.EditPart)

	 */

	protected EditPolicy createChildEditPolicy(EditPart child) {

		ResizableEditPolicyEx policy = new ResizableEditPolicyEx();

		policy.setResizeDirections(0);

		return policy;

	}

	/**

	 * @see org.eclipse.gef.editpolicies.OrderedLayoutEditPolicy#createMoveChildCommand(org.eclipse.gef.EditPart,

	 *      org.eclipse.gef.EditPart)

	 */

	protected Command createMoveChildCommand(EditPart child, EditPart after) {

		int newIndex;

		int moveOffset;

		int childIndex = getHost().getChildren().indexOf(child);

		int afterIndex = getHost().getChildren().indexOf(after);

		if (afterIndex == -1) {

			// Move the child to the last position

			newIndex = getHost().getChildren().size() - 1;

			moveOffset = newIndex - childIndex;

		} else {

			newIndex = afterIndex;

			moveOffset = afterIndex - childIndex;

			if (childIndex <= afterIndex) {

				newIndex--;

				moveOffset--;

			}

		}

		TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();

		CompartmentReorderEObjectCommand command = new CompartmentReorderEObjectCommand(editingDomain, "", (EList<EObject>) ((View) child.getParent().getModel()).getElement().eGet(feature), child,

				after);

		return new ICommandProxy(command);

	}

	/**

	 * @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getCreateCommand(org.eclipse.gef.requests.CreateRequest)

	 */

	protected Command getCreateCommand(CreateRequest request) {

		return null;

	}

	/**

	 * @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getDeleteDependantCommand(org.eclipse.gef.Request)

	 */

	protected Command getDeleteDependantCommand(Request request) {

		return null;

	}

	/**

	 * @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getOrphanChildrenCommand(org.eclipse.gef.Request)

	 */

	protected Command getOrphanChildrenCommand(Request request) {

		return null;

	}

	@Override

	public void eraseTargetFeedback(Request request) {

		// Need to handle case of REQ_DROP request's type to erase feedback

		if (RequestConstants.REQ_DROP.equals(request.getType()))

			eraseLayoutTargetFeedback(request);

		super.eraseTargetFeedback(request);

	}

}