01: // Copyright 2006, 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // 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.integration.app1.mixins;
16:
17: import org.apache.tapestry.MarkupWriter;
18: import org.apache.tapestry.annotations.AfterRender;
19: import org.apache.tapestry.annotations.BeginRender;
20: import org.apache.tapestry.annotations.Parameter;
21:
22: /**
23: * Mixin that adds emphasis to a component if a test is true.
24: */
25: public class Emphasis {
26: @Parameter(required=true)
27: private boolean _test;
28:
29: @BeginRender
30: void begin(MarkupWriter writer) {
31: if (_test)
32: writer.element("em");
33: }
34:
35: @AfterRender
36: void after(MarkupWriter writer) {
37: if (_test)
38: writer.end();
39: }
40: }
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