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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
Choose.java | 0% | 0% | 0% | 0% |
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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.contrib.components; | |
16 | ||
17 | import org.apache.tapestry.IRender; | |
18 | import org.apache.tapestry.IRequestCycle; | |
19 | import org.apache.tapestry.components.Conditional; | |
20 | ||
21 | /** | |
22 | * This component is a container for {@link When} or Otherwise components; | |
23 | * it provides the context for mutually exclusive conditional evaluation. | |
24 | * | |
25 | * [<a href="../../../../../../ComponentReference/contrib.Choose.html">Component Reference</a>] | |
26 | * | |
27 | * @author David Solis | |
28 | * | |
29 | */ | |
30 | public abstract class Choose extends Conditional { | |
31 | ||
32 | ||
33 | 0 | public void addBody(IRender element) |
34 | { | |
35 | 0 | super.addBody(element); |
36 | 0 | if (element instanceof When) |
37 | 0 | ((When) element).setChoose(this); |
38 | } | |
39 | ||
40 | 0 | protected void cleanupAfterRender(IRequestCycle cycle) |
41 | { | |
42 | 0 | setConditionMet(false); |
43 | 0 | super.cleanupAfterRender(cycle); |
44 | } | |
45 | ||
46 | 0 | protected boolean evaluateCondition() |
47 | { | |
48 | 0 | return getCondition(); |
49 | } | |
50 | ||
51 | 0 | public boolean getInvert() |
52 | { | |
53 | // This component doesn't require invert parameter. | |
54 | 0 | return false; |
55 | } | |
56 | ||
57 | public abstract boolean getCondition(); | |
58 | ||
59 | public abstract boolean isConditionMet(); | |
60 | public abstract void setConditionMet(boolean value); | |
61 | } |
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