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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
Option.java | 100% | 100% | 100% | 100% |
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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.wml; | |
16 | ||
17 | import org.apache.hivemind.HiveMind; | |
18 | import org.apache.tapestry.AbstractComponent; | |
19 | import org.apache.tapestry.IMarkupWriter; | |
20 | import org.apache.tapestry.IRequestCycle; | |
21 | ||
22 | /** | |
23 | * This component serves as a container for one item that is listed as a choice in a {@link Select}. | |
24 | * A {@link Select}offers a selection of choices from which usersu may choose one or more items. | |
25 | * The select list is created using a select element which contains a collection of option elements. | |
26 | * A string or text describing the item appears between the opening and closing option tags. In | |
27 | * order to have a dynamic onpick attribute it is better to use a concrete class of | |
28 | * {@link org.apache.tapestry.link.ILinkRenderer}with the {@link OptionRenderer}. | |
29 | * | |
30 | * @author David Solis | |
31 | * @since 3.0 | |
32 | */ | |
33 | ||
34 | public abstract class Option extends AbstractComponent | |
35 | { | |
36 | ||
37 | /** | |
38 | * @see org.apache.tapestry.AbstractComponent#renderComponent(IMarkupWriter, IRequestCycle) | |
39 | */ | |
40 | ||
41 | 19 | protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
42 | { | |
43 | 19 | boolean render = !cycle.isRewinding(); |
44 | ||
45 | 19 | if (render) |
46 | { | |
47 | 18 | writer.begin("option"); |
48 | ||
49 | 18 | String value = getValue(); |
50 | 18 | if (HiveMind.isNonBlank(value)) |
51 | 17 | writer.attribute("value", value); |
52 | ||
53 | 18 | renderInformalParameters(writer, cycle); |
54 | ||
55 | 18 | renderBody(writer, cycle); |
56 | ||
57 | 18 | writer.end(); |
58 | } | |
59 | } | |
60 | ||
61 | public abstract String getValue(); | |
62 | } |
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