package com.temp.client.foundation.widget.input.support;

import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.temp.client.foundation.widget.OptionBox;
import com.temp.client.foundation.widget.input.fieldsupport.InputWidgetValueAdapter;
import com.temp.shared.utils.Validate;

public class OptionBoxBaseValueAdapter<T> implements InputWidgetValueAdapter<T> {

    private final OptionBox<T> inputWidget;

    public OptionBoxBaseValueAdapter(OptionBox<T> inputWidget) {
        Validate.notNull("inputWidget", this.inputWidget = inputWidget);
    }

    @Override
    public HandlerRegistration addChangeHandler(ChangeHandler handler) {
        return inputWidget.addChangeHandler(handler);
    }

    @Override
    public T getValue() {
        return inputWidget.getSelected();
    }

    @Override
    public void setValue(T value) {
        inputWidget.setSelected(value);
    }
}