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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
* 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:
* Remi Schnekenburger (CEA LIST) remi.schnekenburger@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.uml.properties.runtime.modelhandler;
import java.beans.PropertyChangeListener;
import java.util.Collections;
import java.util.List;
import org.eclipse.papyrus.views.properties.runtime.modelhandler.emf.IEMFModelHandlerState;
import org.eclipse.papyrus.views.properties.runtime.state.AbstractState;
import org.eclipse.papyrus.views.properties.runtime.state.ITraversableModelElement;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* state for {@link MultiplicityModelHandler}
*/
public class MultiplicityHandlerState extends AbstractState implements IEMFModelHandlerState {
/** model handler managed by this state */
private final MultiplicityModelHandler modelHandler;
/**
* Creates a new MultiplicityHandlerState.
*
* @param modelHandler
* model handler managed by this state
* @param readOnly
* read only mode of the state
*/
public MultiplicityHandlerState(MultiplicityModelHandler modelHandler, boolean readOnly) {
super(readOnly);
this.modelHandler = modelHandler;
}
/**
* {@inheritDoc}
*/
public List<? extends ITraversableModelElement> getChildren() {
return Collections.emptyList();
}
/**
* {@inheritDoc}
*/
public MultiplicityModelHandler getDescriptor() {
return modelHandler;
}
/**
* {@inheritDoc}
*/
public String getEditionDialogId() {
return null;
}
/**
* {@inheritDoc}
*/
public void addPropertyChangeListener(PropertyChangeListener listener) {
// nothing here
}
/**
* {@inheritDoc}
*/
public void removePropertyChangeListener(PropertyChangeListener listener) {
// nothing here
}
/**
* {@inheritDoc}
*/
public Node generateNode(Document document) {
/*
* <feature handlerID="Multiplicity">
* <availableValue value="0..1"/>
* <availableValue value="1..1"/>
* <availableValue value="0..*"/>
* <availableValue value="1..*"/>
* </feature>
*/
Element node = document.createElement("feature");
node.setAttribute("handlerID", getDescriptor().getId());
for(String availableValue : getDescriptor().getAvailableValues(null)) { // no problem with null, as the method returns a constant value
node.appendChild(generateAvailableValue(availableValue, document));
}
return node;
}
/**
* Generates the available value node for the given value
*
* @param availableValue
* the available value to generate
* @param document
* the document used to create XML nodes
* @return the available value node for the given value
*/
protected Node generateAvailableValue(String availableValue, Document document) {
Element node = document.createElement("availableValue");
node.setAttribute("value", availableValue);
return node;
}
}
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