Johan Compagner schrieb:
why aren't you subclassing button and have a button that has that
modifier and use that one on all your forms?
doh! thanks, i haven't seen that obvious possibility
..is it right, to check wether the button is enabled in the
onComponentTag event before putting the attribute?
to use the class simply add it by calling this.add(new
I18nButton("button.id", new Model("buttontxt.key")); from
within your component.
import org.apache.wicket.Component;
import org.apache.wicket.behavior.AbstractBehavior;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.model.IModel;
/**
* Internationalized button class
*/
public class I18nButton extends Button {
/**
* The attribute modifier for i18n
*/
private class I18nAttributeModifier extends AbstractBehavior {
private String attribute;
private String value;
public I18nAttributeModifier(String attribute, String value) {
this.attribute = attribute;
this.value = value;
}
/**
* @see
org.apache.wicket.behavior.AbstractBehavior#onComponentTag(org.apache.wicket.Component,
* org.apache.wicket.markup.ComponentTag)
*/
public void onComponentTag(final Component component, final
ComponentTag tag)
{
if (isEnabled(component))
{
tag.getAttributes().put(attribute, getString(value));
}
}
}
public I18nButton(final String id, final IModel model) {
super(id, model);
if (model.getObject() instanceof String) {
String key = (String)model.getObject();
add(this.new I18nAttributeModifier("value", key));
} else
new OperationNotSupportedException("Model needs to contain
an object of type String.");
}
}
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