Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
SelectPropertySelectionRenderer |
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1 | // Copyright 2004, 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.form; |
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16 | ||
17 | import org.apache.tapestry.IMarkupWriter; |
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18 | import org.apache.tapestry.IRequestCycle; |
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19 | ||
20 | /** |
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21 | * Implementation of {@link IPropertySelectionRenderer} that produces a |
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22 | * <select> element (containing <option> elements). |
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23 | * |
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24 | * @author Howard Lewis Ship |
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25 | */ |
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26 | ||
27 | 0 | public class SelectPropertySelectionRenderer implements IPropertySelectionRenderer |
28 | { |
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29 | ||
30 | /** |
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31 | * Writes the <select> element. If the {@link PropertySelection} is |
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32 | * {@link PropertySelection#isDisabled() disabled} then a |
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33 | * <code>disabled</code> attribute is written into the tag (though |
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34 | * Navigator 4 will ignore this). |
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35 | */ |
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36 | ||
37 | public void beginRender(PropertySelection component, IMarkupWriter writer, IRequestCycle cycle) |
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38 | { |
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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 | /** |
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49 | * Closes the <select> element. |
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50 | */ |
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51 | ||
52 | public void endRender(PropertySelection component, IMarkupWriter writer, |
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53 | IRequestCycle cycle) |
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54 | { |
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55 | 0 | writer.end(); // <select> |
56 | 0 | } |
57 | ||
58 | /** |
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59 | * Writes an <option> element. |
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60 | */ |
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61 | ||
62 | public void renderOption(PropertySelection component, IMarkupWriter writer, |
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63 | IRequestCycle cycle, IPropertySelectionModel model, Object option, |
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64 | int index, boolean selected) |
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65 | { |
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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 | } |