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/*******************************************************************************
* Copyright (c) 2010, 2012 THALES GLOBAL SERVICES.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.sequence.business.internal.elements;
import java.util.Collections;
import java.util.List;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.eclipse.sirius.common.tools.api.util.Option;
import org.eclipse.sirius.common.tools.api.util.Options;
import org.eclipse.sirius.DDiagramElement;
import org.eclipse.sirius.diagram.sequence.business.internal.query.SequenceNodeQuery;
import org.eclipse.sirius.diagram.sequence.business.internal.util.RangeSetter;
import org.eclipse.sirius.diagram.sequence.description.DescriptionPackage;
import org.eclipse.sirius.diagram.sequence.util.NotationPredicate;
import org.eclipse.sirius.diagram.sequence.util.Range;
/**
* Represents a combined fragment container.
*
* @author pcdavid
*/
public class CombinedFragment extends AbstractFrame {
/**
* The visual ID. Same as a normal container
*
* @see DNodeContainerEditPart.VISUAL_ID.
*/
public static final int VISUAL_ID = 2002;
/**
* The visual ID of the compartment contained by the combined fragment. It
* is this compartment that contains the operands.
*
* @see DNodeContainerViewNodeContainerCompartmentEditPart.VISUAL_ID.
*/
public static final int COMPARTMENT_VISUAL_ID = 7001;
/**
* Predicate to check whether a Sirius DDiagramElement represents an
* execution.
*/
private static enum SiriusElementPredicate implements Predicate<DDiagramElement> {
INSTANCE;
public boolean apply(DDiagramElement input) {
return AbstractSequenceElement.isSequenceDiagramElement(input, DescriptionPackage.eINSTANCE.getCombinedFragmentMapping());
}
}
/**
* Constructor.
*
* @param node
* the GMF Node representing the combined fragment.
*/
CombinedFragment(Node node) {
super(node);
Preconditions.checkArgument(CombinedFragment.notationPredicate().apply(node), "The node does not represent a combined fragment.");
}
/**
* Returns a predicate to check whether a GMF View represents an combined
* fragment.
*
* @return a predicate to check whether a GMF View represents an combined
* fragment.
*/
public static Predicate<View> notationPredicate() {
return new NotationPredicate(NotationPackage.eINSTANCE.getNode(), VISUAL_ID, CombinedFragment.viewpointElementPredicate());
}
/**
* Returns a predicate to check whether a GMF View represents an combined
* fragment compartment.
*
* @return a predicate to check whether a GMF View represents an combined
* fragment compartment.
*/
public static Predicate<View> compartmentNotationPredicate() {
return new NotationPredicate(NotationPackage.eINSTANCE.getNode(), COMPARTMENT_VISUAL_ID, CombinedFragment.viewpointElementPredicate());
}
/**
* Returns a predicate to check whether a Sirius DDiagramElement
* represents an execution.
*
* @return a predicate to check whether a Sirius DDiagramElement
* represents an execution.
*/
public static Predicate<DDiagramElement> viewpointElementPredicate() {
return SiriusElementPredicate.INSTANCE;
}
/**
* {@inheritDoc}
*/
public Range getVerticalRange() {
// Rectangle logicalBounds = getProperLogicalBounds();
// return new Range(logicalBounds.y, logicalBounds.bottom());
return new SequenceNodeQuery(getNotationNode()).getVerticalRange();
}
/**
* {@inheritDoc}
*/
public void setVerticalRange(Range range) throws IllegalStateException {
RangeSetter.setVerticalRange(this, range);
}
/**
* {@inheritDoc}
*/
public List<ISequenceEvent> getSubEvents() {
return Lists.newArrayList(Iterables.filter(getOperands(), ISequenceEvent.class));
}
/**
* Get the operands of the current combined fragment.
*
* @return the operands of the current combined fragment.
*/
public List<Operand> getOperands() {
List<Operand> result = Lists.newArrayList();
Predicate<View> compartementView = new Predicate<View>() {
public boolean apply(View input) {
return input.getType().equals(Integer.toString(COMPARTMENT_VISUAL_ID));
}
};
// The combined fragment contains a compartment that contains the
// operands
for (View view : Iterables.filter(Iterables.filter(this.view.eContents(), View.class), compartementView)) {
// Filtering compartments
for (View viewChild : Iterables.filter(view.eContents(), View.class)) {
// Filtering operands
Option<Operand> operand = ISequenceElementAccessor.getOperand(viewChild);
if (operand.some()) {
result.add(operand.get());
}
}
}
Collections.sort(result, Range.lowerBoundOrdering().onResultOf(ISequenceEvent.VERTICAL_RANGE));
return result;
}
/**
* Finds the operand identified by the index.
*
* @param index
* the position of the wanted operand
* @return an Option of Operand if there is an operand at the given index,
* an Options.newNone() otherwise
*/
public Option<Operand> getOperand(int index) {
try {
return Options.newSome(getOperands().get(index));
} catch (IndexOutOfBoundsException e) {
return Options.newNone();
}
}
/**
* calculate the index of the operand among the list of operands in this
* {@link CombinedFragment}.
*
* @param operand
* the operand to find out its index
* @return the index of the operand
*/
public int getIndexOfOperand(Operand operand) {
return getOperands().lastIndexOf(operand);
}
/**
* Finds the first operand of this {@link CombinedFragment}.
*
* @return the first operand of this {@link CombinedFragment}
*/
public Operand getFirstOperand() {
// A combined fragment always have at least one operand
return getOperand(0).get();
}
/**
* Finds the last operand of this {@link CombinedFragment}.
*
* @return the last operand of this {@link CombinedFragment}
*/
public Operand getLastOperand() {
// A combined fragment always have at least one operand
int lastIndex = getOperands().size() - 1;
return getOperand(lastIndex).get();
}
}
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