/** Remove the items corresponding to the specified source from our cache. */
protected void removeComponentSource(Object source) {
CollectionValueModel component = (CollectionValueModel) this.components.remove(source);
if (component == null) {
throw new IllegalStateException("missing component: " + source);
}
component.removeCollectionChangeListener(ValueModel.VALUE, this.componentListener);
ArrayList componentCollection = (ArrayList) this.collections.remove(component);
if (componentCollection == null) {
throw new IllegalStateException("missing collection: " + source);
}
this.clearComponentItems(componentCollection);
}
/** Transform the specified source to a collection value model and add its items to our cache. */
protected void addComponentSource(Object source) {
CollectionValueModel component = this.transform(source);
if (this.components.put(source, component) != null) {
throw new IllegalStateException("duplicate component: " + source);
}
component.addCollectionChangeListener(ValueModel.VALUE, this.componentListener);
ArrayList componentCollection = new ArrayList(component.size());
if (this.collections.put(component, componentCollection) != null) {
throw new IllegalStateException("duplicate collection: " + source);
}
this.addComponentItems(component, componentCollection);
}
/** Update our cache. */
protected void addComponentItems(
CollectionValueModel itemsHolder, ArrayList componentCollection) {
this.addComponentItems(
(Iterator) itemsHolder.getValue(), itemsHolder.size(), componentCollection);
}