@Nonnull
@Override
public ComponentItem createComponent(
@Nonnull String label, @Nonnull ComponentDescriptor descriptor)
throws ComponentCreationException {
Preconditions.checkNotNull(label, "label is null!");
Preconditions.checkNotNull(descriptor, "descriptor is null!");
ComponentItemConfig config = getConfig().addNewComponent();
config.setType(descriptor.getType());
config.setLabel(label);
ComponentItemImpl component = ComponentItemImpl.newInstance(this, config);
component.setAttribute(ComponentItem.TYPE, descriptor.getLabel());
if (descriptor.getHelpUrl() != null) component.getContext().setHelpUrl(descriptor.getHelpUrl());
try {
component.setBehavior(componentRegistry.createBehavior(descriptor, component.getContext()));
component.addEventListener(BaseEvent.class, componentListener);
if (counterSupport instanceof AggregatedCounterSupport)
((AggregatedCounterSupport) counterSupport).addChild(component);
componentList.addItem(component);
} catch (ComponentCreationException e) {
component.delete();
throw e;
}
return component;
}
public ComponentItem injectComponent(ComponentItemConfig config)
throws ComponentCreationException {
ComponentItemConfig componentConf = getConfig().addNewComponent();
componentConf.set(config);
try {
return loadComponent(componentConf);
} catch (ComponentCreationException e) {
getConfig().removeComponent(getConfig().sizeOfComponentArray() - 1);
throw e;
}
}
private ComponentItemImpl loadComponent(ComponentItemConfig config)
throws ComponentCreationException {
final ComponentItemImpl component = ComponentItemImpl.newInstance(this, config);
try {
component.setBehavior(
componentRegistry.loadBehavior(config.getType(), component.getContext()));
componentList.addItem(
component,
new Runnable() {
@Override
public void run() {
component.addEventListener(BaseEvent.class, componentListener);
if (counterSupport instanceof AggregatedCounterSupport)
((AggregatedCounterSupport) counterSupport).addChild(component);
}
});
} catch (ComponentCreationException e) {
log.error("Unable to load component: " + component, e);
badComponents.add(config);
component.release();
throw e;
}
return component;
}
@Nonnull
public CanvasObjectItem duplicate(@Nonnull CanvasObjectItem obj) {
if (!(obj instanceof ComponentItemImpl))
throw new IllegalArgumentException(
obj + " needs to be an instance of: " + ComponentItemImpl.class.getName());
ComponentItemConfig config = getConfig().addNewComponent();
config.set(((ComponentItemImpl) obj).getConfig());
if (obj.getCanvas().equals(this)) config.setLabel("Copy of " + config.getLabel());
config.setId(addressableRegistry.generateId());
try {
return loadComponent(config);
} catch (ComponentCreationException e) {
// Shouldn't happen...
throw new RuntimeException(e);
}
}