/*
 * Copyright (c) 2015, grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

package org.jowidgets.spi.impl.swt.addons;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.jowidgets.api.widgets.IComposite;
import org.jowidgets.api.widgets.IFrame;
import org.jowidgets.util.Assert;

/**
 * Gets a (casted) swt ui reference from a jowidgets widget
 */
public final class JoToSwtReference {

    private JoToSwtReference() {}

    /**
     * Gets the swt composite for a jowidgets composite
     * 
     * @param composite The jowidgets composite to get the swt composite for
     * 
     * @return The swt composite, never null
     */
    public static Composite getUiReference(final IComposite composite) {
        Assert.paramNotNull(composite, "composite");
        return (Composite) composite.getUiReference();
    }

    /**
     * Gets the swt shell reference for a jowidgets frame
     * 
     * @param frame The jowidgets frame to get the swt shell for
     * 
     * @return the swt shell, never null
     */
    public static Shell getUiReference(final IFrame frame) {
        Assert.paramNotNull(frame, "frame");
        return (Shell) frame.getUiReference();
    }

    //TODO ANYBODY may feel free to add more convert methods

}