01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package griffon.builder.pivot.factory
19
20 /**
21 * @author Andres Almiray
22 */
23 class EventListenerFactory extends AbstractFactory {
24 private static final Class[] PARAMS = [FactoryBuilderSupport] as Class[]
25 final Class adapterClass
26 final List<Class> parents = []
27 final String getListenersMethod
28
29 EventListenerFactory(Class adapterClass, List<Class> parents, String listenersMethod) {
30 this.adapterClass = adapterClass
31 this.parents.addAll(parents)
32 this.getListenersMethod = listenersMethod
33 }
34
35 Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes)
36 throws InstantiationException, IllegalAccessException {
37 if (value && adapterClass.isAssignableFrom(value.getClass())) return value
38 adapterClass.getDeclaredConstructor(PARAMS).newInstance([builder] as Object[])
39 }
40
41 boolean isHandlesNodeChildren() {
42 return true
43 }
44
45 boolean onNodeChildren(FactoryBuilderSupport builder, Object node, Closure childContent) {
46 node.delegate = childContent.delegate
47 childContent.delegate = node
48 childContent()
49 return false
50 }
51
52 void setParent(FactoryBuilderSupport builder, Object parent, Object node) {
53 if (!parent) return
54 for (candidate in parents) {
55 if (candidate.isAssignableFrom(parent.getClass())) {
56 parent."$getListenersMethod"().add(node)
57 break
58 }
59 }
60 }
61 }
|