+++ /dev/null
-package org.argeo.node;
-
-import java.util.function.BiFunction;
-
-/**
- * Stateless UI part creator. Takes a parent view (V) and a model context (M) in
- * order to create a view part (W) which can then be further configured. Such
- * object can be used as services and reference other part of the model which
- * are relevant for all created UI part.
- */
-@FunctionalInterface
-public interface MvcProvider<V, M, W> extends BiFunction<V, M, W> {
- /**
- * Whether this parent view is supported.
- *
- * @return true by default.
- */
- default boolean isViewSupported(V parent) {
- return true;
- }
-
- /**
- * Whether this context is supported.
- *
- * @return true by default.
- */
- default boolean isModelSupported(M context) {
- return true;
- }
-
- default W createUiPart(V parent, M context) {
- if (!isViewSupported(parent))
- throw new IllegalArgumentException("Parent view " + parent + "is not supported.");
- if (!isModelSupported(context))
- throw new IllegalArgumentException("Model context " + context + "is not supported.");
- return apply(parent, context);
- }
-}