Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
SelectPropertySelectionRenderer |
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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.form; | |
16 | ||
17 | import org.apache.tapestry.IMarkupWriter; | |
18 | import org.apache.tapestry.IRequestCycle; | |
19 | ||
20 | /** | |
21 | * Implementation of {@link IPropertySelectionRenderer} that produces a | |
22 | * <select> element (containing <option> elements). | |
23 | * | |
24 | * @author Howard Lewis Ship | |
25 | */ | |
26 | ||
27 | 0 | public class SelectPropertySelectionRenderer implements IPropertySelectionRenderer |
28 | { | |
29 | ||
30 | /** | |
31 | * Writes the <select> element. If the {@link PropertySelection} is | |
32 | * {@link PropertySelection#isDisabled() disabled} then a | |
33 | * <code>disabled</code> attribute is written into the tag (though | |
34 | * Navigator 4 will ignore this). | |
35 | */ | |
36 | ||
37 | public void beginRender(PropertySelection component, IMarkupWriter writer, IRequestCycle cycle) | |
38 | { | |
39 | 0 | writer.begin("select"); |
40 | 0 | writer.attribute("name", component.getName()); |
41 | ||
42 | 0 | if (component.isDisabled()) |
43 | 0 | writer.attribute("disabled", "disabled"); |
44 | ||
45 | 0 | writer.println(); |
46 | 0 | } |
47 | ||
48 | /** | |
49 | * Closes the <select> element. | |
50 | */ | |
51 | ||
52 | public void endRender(PropertySelection component, IMarkupWriter writer, | |
53 | IRequestCycle cycle) | |
54 | { | |
55 | 0 | writer.end(); // <select> |
56 | 0 | } |
57 | ||
58 | /** | |
59 | * Writes an <option> element. | |
60 | */ | |
61 | ||
62 | public void renderOption(PropertySelection component, IMarkupWriter writer, | |
63 | IRequestCycle cycle, IPropertySelectionModel model, Object option, | |
64 | int index, boolean selected) | |
65 | { | |
66 | 0 | writer.beginEmpty("option"); |
67 | 0 | writer.attribute("value", model.getValue(index)); |
68 | ||
69 | 0 | if (selected) writer.attribute("selected", "selected"); |
70 | ||
71 | 0 | writer.print(model.getLabel(index)); |
72 | ||
73 | 0 | writer.end(); |
74 | ||
75 | 0 | writer.println(); |
76 | 0 | } |
77 | } |