01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.woody.formmodel;
18:
19: import java.util.Iterator;
20:
21: /**
22: * Interface to be implemented by Widgets which contain other widgets.
23: *
24: * @author Timothy Larson
25: * @version $Id: ContainerWidget.java 433543 2006-08-22 06:22:54Z crossley $
26: */
27: public interface ContainerWidget extends Widget {
28:
29: /**
30: * Adds a child widget.
31: */
32: public void addWidget(Widget widget);
33:
34: /**
35: * Checks if there is a child widget with the given id.
36: */
37: public boolean hasWidget(String id);
38:
39: /**
40: * Gets the child widget with the given id.
41: * Returns null if there is no child with the given id.
42: */
43: public Widget getWidget(String id);
44:
45: /**
46: * Returns an iterator over the widgets this object contains
47: */
48: public Iterator getChildren();
49:
50: }
|