Options.java

package pt.ist.vaadinframework.data.hints;

import java.util.Arrays;
import java.util.Collection;

import pt.ist.vaadinframework.data.HintedProperty.Hint;

import com.vaadin.data.Container;
import com.vaadin.data.util.IndexedContainer;
import com.vaadin.ui.AbstractSelect;
import com.vaadin.ui.Field;

public class Options implements Hint {
    private final Container container;
    private int captionMode = AbstractSelect.ITEM_CAPTION_MODE_EXPLICIT_DEFAULTS_ID;
    private Object captionPropertyId = null;

    public Options(Container container) {
        this.container = container;
    }

    public Options(Collection<?> options) {
        this(new IndexedContainer(options));
    }

    public Options(Object... options) {
        this(Arrays.asList(options));
    }

    /**
     * Sets the item caption mode.
     * 
     * See also: {@link AbstractSelect#setItemCaptionMode(int) }
     * 
     * @param captionMode
     *            one of the modes defined in {@link AbstractSelect}.
     */
    public Options mode(int captionMode) {
        Options options = new Options(container);
        options.captionMode = captionMode;
        options.captionPropertyId = captionPropertyId;
        return options;
    }

    public Options captionPropertyId(Object captionPropertyId) {
        Options options = new Options(container);
        options.captionMode = captionMode;
        options.captionPropertyId = captionPropertyId;
        return options;

    }

    @Override
    public Field applyHint(Field field) {
        ((AbstractSelect) field).setContainerDataSource(container);
        ((AbstractSelect) field).setItemCaptionMode(captionMode);
        ((AbstractSelect) field).setItemCaptionPropertyId(captionPropertyId);
        return field;
    }

    @Override
    public boolean appliesTo(Field field) {
        return field instanceof AbstractSelect;
    }
}