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package org.scijava.widget;

import org.scijava.plugin.AbstractWrapperPlugin;

/**
 * Base class for input widgets.
 * 
 * @author Curtis Rueden
 * @param  The input type of the widget.
 * @param  The type of UI component housing the widget.
 */
public abstract class AbstractInputWidget extends
	AbstractWrapperPlugin implements InputWidget
{

	private WidgetModel widgetModel;

	// -- InputWidget methods --

	@Override
	public void updateModel() {
		widgetModel.setValue(getValue());
	}

	// -- WrapperPlugin methods --

	@Override
	public void set(final WidgetModel model) {
		if (widgetModel != null) {
			throw new IllegalStateException("Widget already initialized");
		}
		widgetModel = model;
	}

	@Override
	public WidgetModel get() {
		return widgetModel;
	}

	// -- Typed methods --

	@Override
	public boolean supports(final WidgetModel data) {
		return InputWidget.super.supports(data);
	}
}