DummyContributionItem.java

/**
 * Copyright (c) 2004-2025 Carnegie Mellon University and others. (see Contributors file). 
 * All Rights Reserved.
 * 
 * NO WARRANTY. ALL MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE
 * OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT
 * MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT.
 * 
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Created, in part, with funding and support from the United States Government. (see Acknowledgments file).
 * 
 * This program includes and/or can make use of certain third party source code, object code, documentation and other
 * files ("Third Party Software"). The Third Party Software that is used by this program is dependent upon your system
 * configuration. By using this program, You agree to comply with any and all relevant Third Party Software terms and
 * conditions contained in any such Third Party Software or separate license file distributed with such Third Party
 * Software. The parties who own the Third Party Software ("Third Party Licensors") are intended third party benefici-
 * aries to this license with respect to the terms applicable to their Third Party Software. Third Party Software li-
 * censes only apply to the Third Party Software and not any other portion of this program or this program as a whole.
 */
package org.osate.ge.internal.ui.editor;

import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

/* A invisible combobox contribution for the toolbar.
 * Can be added to the toolbar as a workaround on newer gtk versions (the rightmost dynamic combobox
 * in the toolbar doesn't work).
 */

public class DummyContributionItem extends ComboContributionItem {
	
	public DummyContributionItem(final String id) {
		super(id);
	}
	
	@Override
	public boolean isDynamic() {
		return true;
	}
	
	@Override
	protected void onControlDisposed() {
		super.onControlDisposed();
	}
	
	@Override
	protected Control createControl(final Composite parent) {
		final Control control = super.createControl(parent);
		ComboViewer combo = getComboViewer();
		if (combo != null) {
			combo.getCombo().setEnabled(false);
			combo.getCombo().setVisible(false);
		}
		return control;
	}
	
	@Override
	protected int computeWidth(Control control) {
	    return 0;
	}
}