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/*****************************************************************************
* Copyright (c) 2017 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:
* Benoit Maggi (CEA LIST) - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.css.properties.databinding;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.StringListValueStyle;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.CSSStyles;
/**
* EMF Command to add a new style
* Stored in Notation with CSSStyles.CSS_GMF_CLASS_KEY
*/
public class AddCssClassStyleCommand extends RecordingCommand implements Command {
private Collection<View> views;
private String style;
/**
* Constructor.
*
* @param namedStyle
* @param newValue
*/
public AddCssClassStyleCommand(TransactionalEditingDomain domain, View view, String newValue) {
this(domain, Collections.singleton(view), newValue);
}
public AddCssClassStyleCommand(TransactionalEditingDomain domain, Collection<View> views, String style) {
super(domain);
this.views = views;
this.style = style;
}
/**
* Add the style to the existing list or initialize a new list with it
* @see org.eclipse.emf.transaction.RecordingCommand#doExecute()
*
*/
@Override
protected void doExecute() {
for (View view : views) {
StringListValueStyle namedStyle = (StringListValueStyle) view.getNamedStyle(NotationPackage.eINSTANCE.getStringListValueStyle(), CSSStyles.CSS_GMF_CLASS_KEY);
if (namedStyle == null) {
namedStyle = (StringListValueStyle) view.createStyle(NotationPackage.eINSTANCE.getStringListValueStyle());
namedStyle.setName(CSSStyles.CSS_GMF_CLASS_KEY);
}
namedStyle.getStringListValue().add(style);
}
}
}
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