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/*******************************************************************************
* Copyright (c) 2010, 2015 THALES GLOBAL SERVICES and others.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.sequence.business.internal.operation;
import java.text.MessageFormat;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.sirius.diagram.sequence.Messages;
import org.eclipse.sirius.diagram.sequence.business.internal.elements.AbstractNodeEvent;
import org.eclipse.sirius.diagram.sequence.business.internal.elements.ISequenceElementAccessor;
import org.eclipse.sirius.diagram.sequence.business.internal.elements.ISequenceEvent;
import org.eclipse.sirius.diagram.sequence.util.Range;
import org.eclipse.sirius.diagram.ui.business.internal.operation.AbstractModelChangeOperation;
import org.eclipse.sirius.ext.base.Option;
import com.google.common.base.Preconditions;
import com.google.common.collect.Iterables;
/**
* This command moves all the direct sub-executions of a given ExecutionEdipart
* vertically. It is used when an execution is resized from the top to ensure
* the sub-executions stay at the same absolute position instead of moving along
* (as they are relative to the top of the parent).
*
* @author pcdavid, smonnier
*/
public class ShiftDirectSubExecutionsOperation extends AbstractModelChangeOperation<Void> {
private final int deltaY;
private final ISequenceEvent parent;
/**
* Constructor.
*
* @param parent
* the execution or lifeline whose direct sub-executions must be
* shifted.
* @param deltaY
* the vertical amount to shift the sub-executions (in logical
* space).
*/
public ShiftDirectSubExecutionsOperation(ISequenceEvent parent, int deltaY) {
super(MessageFormat.format(Messages.ShiftDirectSubExecutionsOperation_operationName, deltaY));
this.parent = Preconditions.checkNotNull(parent);
this.deltaY = deltaY;
}
@Override
public Void execute() {
for (View view : Iterables.filter(Iterables.filter(parent.getNotationView().getChildren(), View.class), AbstractNodeEvent.notationPredicate())) {
Option<AbstractNodeEvent> execution = ISequenceElementAccessor.getAbstractNodeEvent(view);
if (execution.some()) {
AbstractNodeEvent ise = execution.get();
Range rg = ise.getVerticalRange();
Range nrg = new Range(rg.getLowerBound() + deltaY, rg.getUpperBound() + deltaY);
ise.setVerticalRange(nrg);
}
}
return null;
}
}
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