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/*****************************************************************************
* Copyright (c) 2008 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
* Vincent Lorenzo (CEA-LIST) vincent.lorenzo@cea.fr - Allow the alignment Request
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.editpolicies;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.PrecisionRectangle;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.requests.ChangeBoundsRequest;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.SetBoundsCommand;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.BorderItemSelectionEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.ResizableShapeEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.figures.IBorderItemLocator;
import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
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;
/**
*
* @author Patrick Tessier Policy that allows resizing border item code comes
* form {@link BorderItemSelectionEditPolicy} and modify in order to use
* resize behavior
*/
public class BorderItemResizableEditPolicy extends ResizableShapeEditPolicy {
@Override
public void eraseSourceFeedback(Request request) {
if ((REQ_MOVE.equals(request.getType()) && isDragAllowed()) || REQ_CLONE.equals(request.getType()) || REQ_ADD.equals(request.getType()) || RequestConstants.REQ_DROP.equals(request.getType()) || REQ_RESIZE.equals(request.getType())) {
eraseChangeBoundsFeedback((ChangeBoundsRequest) request);
}
}
/**
*
* {@inheritDoc}
*/
@Override
protected Command getMoveCommand(ChangeBoundsRequest request) {
IBorderItemEditPart borderItemEP = (IBorderItemEditPart) getHost();
IBorderItemLocator borderItemLocator = borderItemEP.getBorderItemLocator();
if (borderItemLocator != null) {
PrecisionRectangle rect = new PrecisionRectangle(getInitialFeedbackBounds().getCopy());
getHostFigure().translateToAbsolute(rect);
rect.translate(request.getMoveDelta());
rect.resize(request.getSizeDelta());
getHostFigure().translateToRelative(rect);
Rectangle realLocation = borderItemLocator.getValidLocation(rect.getCopy(), borderItemEP.getFigure());
Point parentOrigin = borderItemEP.getFigure().getParent().getBounds().getTopLeft();
Dimension d = realLocation.getTopLeft().getDifference(parentOrigin);
Point location = new Point(d.width, d.height);
ICommand moveCommand = new SetBoundsCommand(borderItemEP.getEditingDomain(), DiagramUIMessages.Commands_MoveElement, new EObjectAdapter((View) getHost().getModel()), location);
return new ICommandProxy(moveCommand);
}
return null;
}
/**
* Shows or updates feedback for a change bounds request.
*
* @param request
* the request
*/
@Override
protected void showChangeBoundsFeedback(ChangeBoundsRequest request) {
IBorderItemEditPart borderItemEP = (IBorderItemEditPart) getHost();
IBorderItemLocator borderItemLocator = borderItemEP.getBorderItemLocator();
if (borderItemLocator != null) {
IFigure feedback = getDragSourceFeedbackFigure();
PrecisionRectangle rect = new PrecisionRectangle(getInitialFeedbackBounds().getCopy());
getHostFigure().translateToAbsolute(rect);
rect.translate(request.getMoveDelta());
rect.resize(request.getSizeDelta());
getHostFigure().translateToRelative(rect);
IFigure borderItemfigure = borderItemEP.getFigure();
Rectangle realLocation = borderItemLocator.getValidLocation(rect.getCopy(), borderItemfigure);
getHostFigure().translateToAbsolute(realLocation);
feedback.translateToRelative(realLocation);
feedback.setBounds(realLocation);
}
}
/**
* Calls other methods as appropriate.
*/
@Override
public void showSourceFeedback(Request request) {
if ((REQ_MOVE.equals(request.getType()) && isDragAllowed()) || REQ_ADD.equals(request.getType()) || REQ_CLONE.equals(request.getType()) || RequestConstants.REQ_DROP.equals(request.getType()) || REQ_RESIZE.equals(request.getType())) {
showChangeBoundsFeedback((ChangeBoundsRequest) request);
}
}
}
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