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.forms.formmodel;
18:
19: /**
20: * An action that acts on a repeater.
21: *
22: * @see RepeaterActionDefinitionBuilder
23: * @version $Id: RepeaterAction.java 449149 2006-09-23 03:58:05Z crossley $
24: */
25: public class RepeaterAction extends Action {
26:
27: private Repeater repeater;
28:
29: public RepeaterAction(RepeaterActionDefinition definition) {
30: super (definition);
31: }
32:
33: /**
34: * Get the repeater on which this action acts.
35: */
36: public Repeater getRepeater() {
37: if (this .repeater == null) {
38: String name = ((RepeaterActionDefinition) getDefinition())
39: .getRepeaterName();
40: Widget widget;
41: if (name != null) {
42: // Get the corresponding sibling
43: widget = ((ContainerWidget) getParent()).getChild(name);
44: } else {
45: // Get the grand-parent (parent is the repeater row).
46: widget = getParent().getParent();
47: }
48:
49: if (widget == null || !(widget instanceof Repeater)) {
50: throw new RuntimeException(
51: name != null ? "Cannot find sibling repeater named '"
52: + name + "'."
53: : "Parent widget is not a repeater");
54: }
55:
56: this .repeater = (Repeater) widget;
57: }
58:
59: return this.repeater;
60: }
61: }
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