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Java > Open Source Codes > org > apache > tapestry > workbench > WorkbenchValidationDelegate


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.workbench;
16
17 import org.apache.tapestry.IMarkupWriter;
18 import org.apache.tapestry.IRequestCycle;
19 import org.apache.tapestry.form.IFormComponent;
20 import org.apache.tapestry.valid.IValidator;
21 import org.apache.tapestry.valid.ValidationDelegate;
22
23 /**
24  * @author Howard Lewis Ship
25  * @since 1.0.6
26  */
27
28 public class WorkbenchValidationDelegate extends ValidationDelegate
29 {
30     public void writeAttributes(IMarkupWriter writer, IRequestCycle cycle,
31             IFormComponent component, IValidator validator)
32     {
33         if (isInError())
34             writer.attribute("class", "field-error");
35     }
36
37     public void writeSuffix(IMarkupWriter writer, IRequestCycle cycle, IFormComponent component,
38             IValidator validator)
39     {
40         if (isInError())
41         {
42             writer.print(" ");
43             writer.beginEmpty("img");
44             writer.attribute("src", "images/Warning-small.gif");
45             writer.attribute("height", 20);
46             writer.attribute("width", 20);
47         }
48     }
49
50     public void writeLabelPrefix(IFormComponent component, IMarkupWriter writer, IRequestCycle cycle)
51     {
52         if (isInError(component))
53         {
54             writer.begin("span");
55             writer.attribute("class", "label-error");
56         }
57     }
58
59     public void writeLabelSuffix(IFormComponent component, IMarkupWriter writer, IRequestCycle cycle)
60     {
61         if (isInError(component))
62             writer.end(); // <span>
63 }
64 }
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