Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
Body |
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| 1.0;1 |
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.html; |
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16 | ||
17 | import org.apache.tapestry.AbstractComponent; |
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18 | import org.apache.tapestry.IMarkupWriter; |
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19 | import org.apache.tapestry.IRequestCycle; |
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20 | import org.apache.tapestry.services.ResponseBuilder; |
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21 | ||
22 | /** |
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23 | * The body of a Tapestry page. This is used since it allows components on the page access to an |
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24 | * initialization script (that is written the start, just inside the <body> tag). This is |
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25 | * currently used by {@link Rollover}and {@link Script}components. [ <a |
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26 | * href="../../../../../ComponentReference/Body.html">Component Reference </a>] |
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27 | * |
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28 | * @author Howard Lewis Ship |
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29 | */ |
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30 | ||
31 | 0 | public abstract class Body extends AbstractComponent |
32 | { |
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33 | ||
34 | protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
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35 | { |
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36 | 0 | IMarkupWriter nested = writer.getNestedWriter(); |
37 | ||
38 | 0 | renderBody(nested, cycle); |
39 | ||
40 | 0 | getRenderWorker().renderBody(cycle, this); |
41 | ||
42 | // This is a little tricky, if we didn't call this manually |
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43 | // now the page would never be able to have any javascript related |
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44 | // render workers actually work because the javascript output would |
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45 | // essentially be non writable |
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46 | ||
47 | 0 | getRenderWorker().renderComponent(cycle, getPage()); |
48 | ||
49 | // Start the body tag. |
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50 | 0 | writer.println(); |
51 | 0 | writer.begin(getElement()); |
52 | ||
53 | 0 | renderInformalParameters(writer, cycle); |
54 | ||
55 | 0 | renderIdAttribute(writer, cycle); |
56 | ||
57 | 0 | writer.println(); |
58 | ||
59 | // Write the page's scripting. This is included scripts |
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60 | // and dynamic JavaScript. |
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61 | ||
62 | 0 | getBuilder().writeBodyScript(writer, cycle); |
63 | ||
64 | // Close the nested writer, which dumps its buffered content |
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65 | // into its parent. |
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66 | ||
67 | 0 | nested.close(); |
68 | ||
69 | // Any initialization should go at the very end of the document |
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70 | // just before the close body tag. Older version of Tapestry |
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71 | // would create a window.onload event handler, but this is better |
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72 | // (it doesn't have to wait for external images to load). |
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73 | ||
74 | 0 | getBuilder().writeInitializationScript(writer); |
75 | ||
76 | 0 | writer.end(); // <body> |
77 | 0 | } |
78 | ||
79 | /** |
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80 | * Parameter. |
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81 | */ |
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82 | public abstract String getElement(); |
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83 | ||
84 | public abstract ResponseBuilder getBuilder(); |
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85 | } |