package org.jboss.seam.ui.renderkit;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.jboss.seam.ui.component.UIButton;
import org.jboss.seam.ui.util.HTML;
import org.jboss.seam.ui.util.cdk.RendererBase;
public class ButtonRendererBase extends RendererBase
{
@Override
protected Class getComponentClass()
{
return UIButton.class;
}
private String getType(UIButton button)
{
if (button.getImage() == null) {
return "button";
} else {
return "image";
}
}
private String getOnClick(UIButton button) throws IOException
{
String onclick = button.getOnclick();
String url = button.getUrl();
if (onclick == null)
{
onclick = "";
}
else if (onclick.length() > 0 && !onclick.endsWith(";"))
{
onclick += ";";
}
if (url != null)
{
onclick += "location.href='" + url + "'";
}
if (!button.isDisabled())
{
return onclick;
}
else
{
return null;
}
}
@Override
public boolean getRendersChildren()
{
return true;
}
@Override
protected void doEncodeBegin(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException
{
UIButton button = (UIButton) component;
writer.startElement(HTML.INPUT_ELEM, button);
String onclick = getOnClick(button);
if (!("").equals(onclick) && !button.isDisabled())
{
writer.writeAttribute(HTML.ONCLICK_ATTR, onclick, HTML.ONCLICK_ATTR);
}
if (button.getId() != null)
{
writer.writeAttribute(HTML.ID_ATTR, button.getClientId(context), HTML.ID_ATTR);
}
HTML.renderHTMLAttributes(writer, button, HTML.BUTTON_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED_AND_ONCLICK);
if (button.getValue() != null)
{
writer.writeAttribute(HTML.VALUE_ATTR, button.getValue(), HTML.VALUE_ATTR);
}
if (button.isDisabled())
{
writer.writeAttribute(HTML.DISABLED_ATTR, true, HTML.DISABLED_ATTR);
}
writer.writeAttribute(HTML.TYPE_ATTR, getType(button), HTML.TYPE_ATTR);
if (button.getImage() != null)
{
writer.writeAttribute(HTML.SRC_ATTR, button.getImage(), HTML.SRC_ATTR);
}
}
@Override
protected void doEncodeEnd(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException
{
writer.endElement(HTML.INPUT_ELEM);
}
}