lookAndFeel/plugins/org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition/src/org/eclipse/papyrus/uml/diagram/clazz/lf/classtextualedition/mapping/java2js/JsonUmlPropertyFromEditPart.java

/*****************************************************************************
 * Copyright (c) 2019 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:
 *  Xavier Le Pallec (for CEA LIST) xlepallec@lilo.org - Bug 558456
 *
 *****************************************************************************/

package org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition.mapping.java2js;

import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.PropertyForClassEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition.Activator;
import org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition.mapping.TypesFactory;
import org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition.mapping.jsonstructures.JsonStructuresFactory;
import org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition.mapping.jsonstructures.JsonUmlProperty;
import org.eclipse.uml2.uml.Property;

/**
 * This class is dedicated to fed an instance of
 * {@link org.eclipse.papyrus.uml.diagram.clazz.lf.classtextualedition.mapping.jsonstructures.JsonUmlProperty}
 * from a real Papyrus property represented by a property edit part:
 * <OL>
 * <LI>The constructor takes a property edit part as a parameter, creates an
 * instance of UmlProperty, gets the org.eclipse.uml2.uml.Property indirectly
 * referenced by the property edit part and invokes the following method</LI>
 * <LI>The method {@link JsonUmlPropertyFromEditPart#createFromEditPart()} feeds the
 * previous instance</LI>
 * <LI>Finally, the method {@link JsonUmlPropertyFromEditPart#getProperty()} allows
 * to get the previous instance</LI>
 * </OL>
 *
 */
public class JsonUmlPropertyFromEditPart {

	private JsonUmlProperty property;
	protected Property sourceProperty;
	private static final Activator LOGGER = Activator.getDefault();

	/**
	 * The constructor takes a property edit part as a parameter, creates an
	 * instance of UmlProperty, get the org.eclipse.uml2.uml.Property indirectly
	 * referenced by the property edit part and invokes
	 * {@link JsonUmlPropertyFromEditPart#createFromEditPart()}.
	 * 
	 * @param editPart
	 *            the edit part indirectly containing the the real property
	 */
	public JsonUmlPropertyFromEditPart(PropertyForClassEditPart editPart) {
		super();
		this.property = JsonStructuresFactory.getInstance().createJsonUmlProperty();

		if (editPart.getModel() instanceof View) {
			View visualStuff = View.class.cast(editPart.getModel());
			if (visualStuff.getElement() instanceof Property) {
				sourceProperty = Property.class.cast(visualStuff.getElement());
				createFromEditPart();
			} else {
				LOGGER.logCastProblem("visualStuff.getElement()", Property.class); //$NON-NLS-1$
			}

		} else {
			LOGGER.logCastProblem("editPart.getModel()", View.class); //$NON-NLS-1$
		}

	}

	/**
	 * This method feeds the instance of UmlProperty by accessing all the
	 * properties of the instance of org.eclipse.uml2.uml.Property (get in the
	 * constructor).
	 */
	protected void createFromEditPart() {
		this.property.setName(sourceProperty.getName());
		this.property.setDerived(sourceProperty.isDerived());
		this.property.setVisibility(sourceProperty.getVisibility().getLiteral());
		this.property.setType(TypesFactory.getInstance().createTypeHelper(sourceProperty).getTypeNameForAGivenType(sourceProperty.getType()));
		this.property.setLower(sourceProperty.getLower());
		this.property.setUpper(sourceProperty.getUpper());
		this.property.setUnique(sourceProperty.isUnique());
		this.property.setOrdered(sourceProperty.isOrdered());
		this.property.setReadOnly(sourceProperty.isReadOnly());
		this.property.setDerivedUnion(sourceProperty.isDerivedUnion());
		this.property.setId(sourceProperty.isID());

	}

	/**
	 * Gets the instance of UmlProperty. It may be not fed.
	 * 
	 * @return the instance of UmlProperty.
	 */
	public JsonUmlProperty getProperty() {
		return property;
	}

	/**
	 * Sets the instance of UmlProperty.
	 * 
	 * @param property
	 *            the instance of UmlProperty
	 */
	public void setProperty(JsonUmlProperty property) {
		this.property = property;
	}

}