01: /*
02: * Copyright 2002-2005 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:
17: package info.jtrac.wicket;
18:
19: import org.apache.wicket.Component;
20: import org.apache.wicket.behavior.AbstractBehavior;
21: import org.apache.wicket.markup.ComponentTag;
22: import org.apache.wicket.markup.html.form.FormComponent;
23:
24: /**
25: * switches on css styling to highlight invalid form input
26: */
27: public class ErrorHighlighter extends AbstractBehavior {
28:
29: private FormComponent fc;
30:
31: public ErrorHighlighter() {
32: // zero arg constructor
33: }
34:
35: public ErrorHighlighter(FormComponent fc) {
36: this .fc = fc;
37: }
38:
39: @Override
40: public void bind(Component c) {
41: if (c instanceof FormComponent) {
42: fc = (FormComponent) c;
43: }
44: }
45:
46: @Override
47: public void onComponentTag(Component c, ComponentTag tag) {
48: if (!fc.isValid()) {
49: tag.put("class", "error-input");
50: }
51: }
52:
53: }
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