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: /**
20: * An action that acts on a repeater.
21: *
22: * @see RepeaterActionDefinitionBuilder
23: * @author <a href="http://www.apache.org/~sylvain/">Sylvain Wallez</a>
24: * @version CVS $Id: RepeaterAction.java 433543 2006-08-22 06:22:54Z crossley $
25: */
26: public class RepeaterAction extends Action {
27:
28: private Repeater repeater;
29:
30: public RepeaterAction(ActionDefinition definition) {
31: super (definition);
32: }
33:
34: /**
35: * Get the repeater on which this action acts.
36: */
37: public Repeater getRepeater() {
38: if (this .repeater == null) {
39: String name = ((RepeaterActionDefinition) this .definition)
40: .getRepeaterName();
41: Widget widget;
42: if (name != null) {
43: // Get the corresponding sibling
44: widget = getParent().getWidget(name);
45: } else {
46: // Get the grand-parent (parent is the repeater row).
47: widget = getParent().getParent();
48: }
49:
50: if (widget == null || !(widget instanceof Repeater)) {
51: throw new RuntimeException(
52: name != null ? "Cannot find sibling repeater named '"
53: + name + "'."
54: : "Parent widget is not a repeater");
55: }
56:
57: this .repeater = (Repeater) widget;
58: }
59:
60: return this.repeater;
61: }
62: }
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