de.larmic.jsf2.renderkit.html_basic.FielSetRenderer Maven / Gradle / Ivy

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package de.larmic.jsf2.renderkit.html_basic;

import de.larmic.jsf2.component.html.HtmlFieldSet;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.FacesRenderer;
import java.io.IOException;

/**
 * Created by larmic on 31.07.14.
 */
@FacesRenderer(componentFamily = HtmlFieldSet.COMPONENT_FAMILY, rendererType = HtmlFieldSet.RENDERER_TYPE)
public class FielSetRenderer extends com.sun.faces.renderkit.html_basic.HtmlBasicRenderer {

    public static final String ELEMENT_FIELDSET = "fieldset";
    public static final String ATTRIBUTE_STYLE = "style";
    public static final String ATTRIBUTE_CLASS = "class";
    public static final String ELEMENT_LEGEND = "legend";

    @Override
    public void encodeBegin(final FacesContext context, final UIComponent component) throws IOException {
        final ResponseWriter writer = context.getResponseWriter();
        final HtmlFieldSet fieldSet = (HtmlFieldSet) component;

        if (fieldSet.isRendered()) {
            final String style = (String) component.getAttributes().get("style");
            final String styleClass = (String) component.getAttributes().get("styleClass");

            writer.startElement(ELEMENT_FIELDSET, component);

            if (null != style) {
                writer.writeAttribute(ATTRIBUTE_STYLE, style, "style");
            }
            if (null != styleClass) {
                writer.writeAttribute(ATTRIBUTE_CLASS, "larmic-component-fieldset" + styleClass, "styleClass");
            } else {
                writer.writeAttribute(ATTRIBUTE_CLASS, "larmic-component-fieldset", "styleClass");
            }


            if (fieldSet.getLabel() != null && !"".equals(fieldSet.getLabel())) {
                writer.startElement(ELEMENT_LEGEND, component);
                writer.writeText(fieldSet.getLabel(), component, "label");
                writer.endElement(ELEMENT_LEGEND);
            }
        }
    }

    @Override
    public void encodeEnd(final FacesContext context, final UIComponent component) throws IOException {
        final ResponseWriter writer = context.getResponseWriter();
        final HtmlFieldSet fieldSet = (HtmlFieldSet) component;

        if (fieldSet.isRendered()) {
            writer.endElement(ELEMENT_FIELDSET);
        }
    }

}