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.wicket.extensions.ajax.markup.html;
18:
19: import org.apache.wicket.ajax.AjaxRequestTarget;
20: import org.apache.wicket.ajax.IAjaxIndicatorAware;
21: import org.apache.wicket.ajax.markup.html.form.AjaxButton;
22: import org.apache.wicket.markup.html.form.Form;
23:
24: /**
25: * A variant of the {@link AjaxButton} that displays a busy indicator while the
26: * ajax request is in progress.
27: *
28: * @author evan
29: *
30: */
31: public abstract class IndicatingAjaxButton extends AjaxButton implements
32: IAjaxIndicatorAware {
33:
34: private final WicketAjaxIndicatorAppender indicatorAppender = new WicketAjaxIndicatorAppender();
35:
36: /**
37: *
38: * @param id
39: * @param form
40: */
41: public IndicatingAjaxButton(String id, Form form) {
42: super (id, form);
43: add(indicatorAppender);
44: }
45:
46: protected abstract void onSubmit(AjaxRequestTarget target, Form form);
47:
48: /**
49: * @see IAjaxIndicatorAware#getAjaxIndicatorMarkupId()
50: * @return the markup id of the ajax indicator
51: *
52: */
53: public String getAjaxIndicatorMarkupId() {
54: return indicatorAppender.getMarkupId();
55: }
56:
57: }
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