Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Button |
|
| 1.4;1.4 |
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.form; | |
16 | ||
17 | import org.apache.tapestry.IMarkupWriter; | |
18 | import org.apache.tapestry.IRequestCycle; | |
19 | ||
20 | /** | |
21 | * Implements a component that manages an HTML <button> form element. [ <a | |
22 | * href="../../../../../components/form/button.html">Component Reference </a>] | |
23 | * <p> | |
24 | * This component is useful for attaching JavaScript onclick event handlers. | |
25 | * | |
26 | * @author Howard Lewis Ship | |
27 | * @author Paul Geerts | |
28 | * @author Malcolm Edgar | |
29 | * @author Paul Ferraro | |
30 | */ | |
31 | 0 | public abstract class Button extends AbstractFormComponent |
32 | { | |
33 | /** | |
34 | * @see org.apache.tapestry.form.AbstractFormComponent#renderFormComponent(org.apache.tapestry.IMarkupWriter, | |
35 | * org.apache.tapestry.IRequestCycle) | |
36 | */ | |
37 | protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle) | |
38 | { | |
39 | 0 | writer.begin("button"); |
40 | 0 | writer.attribute("type", "button"); |
41 | 0 | writer.attribute("name", getName()); |
42 | ||
43 | 0 | if (isDisabled()) |
44 | { | |
45 | 0 | writer.attribute("disabled", "disabled"); |
46 | } | |
47 | ||
48 | 0 | renderIdAttribute(writer, cycle); |
49 | ||
50 | 0 | renderInformalParameters(writer, cycle); |
51 | ||
52 | 0 | String label = getLabel(); |
53 | ||
54 | 0 | if (label != null) |
55 | 0 | writer.print(label); |
56 | else | |
57 | 0 | renderBody(writer, cycle); |
58 | ||
59 | 0 | writer.end(); |
60 | 0 | } |
61 | ||
62 | /** | |
63 | * @see org.apache.tapestry.form.AbstractFormComponent#rewindFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle) | |
64 | */ | |
65 | protected void rewindFormComponent(IMarkupWriter writer, IRequestCycle cycle) | |
66 | { | |
67 | // Do nothing | |
68 | 0 | } |
69 | ||
70 | /** | |
71 | * @see org.apache.tapestry.form.IFormComponent#getDisplayName() | |
72 | */ | |
73 | public String getDisplayName() | |
74 | { | |
75 | 0 | return null; |
76 | } | |
77 | ||
78 | /** | |
79 | * @see org.apache.tapestry.form.IFormComponent#isDisabled() | |
80 | */ | |
81 | public boolean isDisabled() | |
82 | { | |
83 | 0 | return false; |
84 | } | |
85 | ||
86 | public abstract String getLabel(); | |
87 | } |