@Override
public void add(Component... components) {
for (final Component component : components) {
Args.notNull(component, "component");
if (component.getOutputMarkupId() == false && !(component instanceof Page)) {
throw new IllegalArgumentException(
"Cannot update component that does not have setOutputMarkupId property set to true. Component: "
+ component.toString());
} else if (component.getPage() != getPage()) {
throw new IllegalArgumentException(
"Cannot update component because its page is not the same as "
+ "the one this handler has been created for. Component: "
+ component.toString());
}
add(component, component.getMarkupId());
}
}
@Override
public final void focusComponent(Component component) {
if (component != null && component.getOutputMarkupId() == false) {
throw new IllegalArgumentException(
"cannot update component that does not have setOutputMarkupId property set to true. Component: "
+ component.toString());
}
final String id = component != null ? ("'" + component.getMarkupId() + "'") : "null";
appendJavaScript("Wicket.Focus.setFocusOnId(" + id + ");");
}
@Override
protected void writeComponent(
Response response, String markupId, Component component, String encoding) {
if (component.getRenderBodyOnly() == true) {
throw new IllegalStateException(
"A partial update is not possible for a component that has renderBodyOnly enabled. Component: "
+ component.toString());
}
component.setOutputMarkupId(true);
// Initialize temporary variables
final Page page = component.findParent(Page.class);
if (page == null) {
// dont throw an exception but just ignore this component, somehow
// it got removed from the page.
LOG.warn(
"Component '{}' with markupid: '{}' not rendered because it was already removed from page",
component,
markupId);
return;
}
// substitute our encoding response for the old one so we can capture
// component's markup in a manner safe for transport inside CDATA block
Response oldResponse = RequestCycle.get().setResponse(bodyBuffer);
try {
bodyBuffer.reset();
page.startComponentRender(component);
try {
component.prepareForRender();
// render any associated headers of the component
writeHeaderContribution(response, component);
} catch (RuntimeException e) {
try {
component.afterRender();
} catch (RuntimeException e2) {
// ignore this one could be a result off.
}
bodyBuffer.reset();
throw e;
}
try {
component.render();
} catch (RuntimeException e) {
bodyBuffer.reset();
throw e;
}
page.endComponentRender(component);
} finally {
// Restore original response
RequestCycle.get().setResponse(oldResponse);
}
response.write("<component id=\"");
response.write(markupId);
response.write("\" ><![CDATA[");
response.write(encode(bodyBuffer.getContents()));
response.write("]]></component>");
bodyBuffer.reset();
}