ContributionItemControl.java

/**
 * 
 */
package com.topsun.posclient.application;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.ControlContribution;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Widget;

public class ContributionItemControl extends ControlContribution implements
		IAdaptable {
	private Control control;
	private IControlCreator creator;

	public ContributionItemControl(String id, IControlCreator creator) {
		super(id);
		this.creator = creator;
	}

	@Override
	protected Control createControl(Composite parent) {
		control = creator.createControl(parent);
		return control;
	}

	public Control getControl() {
		return control;
	}

	public void dispose() {
		if (control != null && !control.isDisposed()) {
			control.dispose();
		}
	}

	@SuppressWarnings("rawtypes")
	public Object getAdapter(Class adapter) {
		if (adapter == null) {
			return null;
		}
		if (Widget.class.isAssignableFrom(adapter)) {
			return control;
		}
		if (IControlCreator.class.isAssignableFrom(adapter)) {
			return creator;
		}
		return null;
	}
}