package pt.ist.renderers.extensions;

import pt.ist.renderers.ValuesRenderer;
import pt.ist.renderers.components.HtmlComponent;
import pt.ist.renderers.components.HtmlList;
import pt.ist.renderers.components.HtmlListItem;
import pt.ist.renderers.layouts.Layout;
import pt.ist.renderers.model.MetaObject;

public class ValuesAsListRenderer extends ValuesRenderer {

    private String itemClasses;

    public String getItemClasses() {
	return itemClasses;
    }

    public void setItemClasses(String itemClasses) {
	this.itemClasses = itemClasses;
    }

    @Override
    protected Layout getLayout(Object object, Class type) {
	return new ValuesAsListLayout(getContext().getMetaObject());
    }

    public class ValuesAsListLayout extends ValuesLayout {

	String[] classes;
	HtmlList list;

	public ValuesAsListLayout(MetaObject object) {
	    super(object);
	    classes = getItemClasses() != null ? getItemClasses().split(",") : null;
	}

	public String getClasses(int index) {
	    return (classes != null && index < classes.length) ? classes[index].trim() : null;
	}

	@Override
	public HtmlComponent createComponent(Object object, Class type) {
	    list = new HtmlList();

	    while (hasMoreComponents()) {
		HtmlListItem item = list.createItem();
		item.addChild(getNextComponent());
	    }
	    return list;
	}

	@Override
	public void applyStyle(HtmlComponent component) {
	    int index = 0;
	    for(HtmlComponent item : list.getChildren()) {
		item.setClasses(getClasses(index++));
	    }
	}
    }
}