01 /*
02 * Copyright 2008-2017 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package griffon.builder.pivot.factory
17
18 import org.apache.pivot.wtk.Component
19
20 /**
21 * @author Andres Almiray
22 */
23 class SingleElementContainerFactory extends ComponentFactory {
24 private final String setter
25 private final Class constrainedType
26
27 SingleElementContainerFactory(Class containerClass, String property = 'content', Class constrainedType = Component) {
28 super(containerClass)
29 this.constrainedType = constrainedType
30 this.setter = 'set' + property[0].toUpperCase() + property[1..-1]
31 }
32
33 void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
34 if (child && constrainedType.isAssignableFrom(child.getClass())) parent."$setter"(child)
35 else super.setChild(builder, parent, child)
36 }
37 }
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