SwtComposite.java example

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/*
 * Copyright (c) 2010, Michael Grossmann
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package org.jowidgets.spi.impl.swt.common.widgets;

import org.eclipse.swt.widgets.Composite;
import org.jowidgets.common.types.Dimension;
import org.jowidgets.common.widgets.factory.IGenericWidgetFactory;
import org.jowidgets.spi.dnd.IDragSourceSpi;
import org.jowidgets.spi.dnd.IDropTargetSpi;
import org.jowidgets.spi.impl.swt.common.dnd.IDropSelectionProvider;
import org.jowidgets.spi.impl.swt.common.dnd.ImmutableDropSelection;
import org.jowidgets.spi.impl.swt.common.image.SwtImageRegistry;
import org.jowidgets.spi.widgets.ICompositeSpi;

public class SwtComposite extends SwtContainer implements ICompositeSpi {

    private final SwtControl swtControlDelegate;

    public SwtComposite(final IGenericWidgetFactory factory, final Composite composite, final SwtImageRegistry imageRegistry) {
        this(factory, composite, null, imageRegistry);
    }

    public SwtComposite(
        final IGenericWidgetFactory factory,
        final Composite composite,
        IDropSelectionProvider dropSelectionProvider,
        final SwtImageRegistry imageRegistry) {
        super(factory, composite, imageRegistry);
        if (dropSelectionProvider == null) {
            if (this instanceof IDropSelectionProvider) {
                dropSelectionProvider = (IDropSelectionProvider) this;
            }
            else {
                dropSelectionProvider = new ImmutableDropSelection(this);
            }
        }
        this.swtControlDelegate = new SwtControl(composite, dropSelectionProvider, imageRegistry);
    }

    @Override
    public void setLayoutConstraints(final Object layoutConstraints) {
        swtControlDelegate.setLayoutConstraints(layoutConstraints);
    }

    @Override
    public Object getLayoutConstraints() {
        return swtControlDelegate.getLayoutConstraints();
    }

    @Override
    public Dimension getMinSize() {
        return swtControlDelegate.getMinSize();
    }

    @Override
    public Dimension getPreferredSize() {
        return swtControlDelegate.getPreferredSize();
    }

    @Override
    public Dimension getMaxSize() {
        return swtControlDelegate.getMaxSize();
    }

    @Override
    public IDragSourceSpi getDragSource() {
        return swtControlDelegate.getDragSource();
    }

    @Override
    public IDropTargetSpi getDropTarget() {
        return swtControlDelegate.getDropTarget();
    }

    @Override
    public void setVisible(final boolean visible) {
        swtControlDelegate.setVisible(visible);
    }

    @Override
    public boolean isVisible() {
        return swtControlDelegate.isVisible();
    }

}