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org.apache.commons.jelly.tags.swing.FocusListenerTag |
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1 | /* |
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2 | * Copyright 2002-2004 The Apache Software Foundation |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.jelly.tags.swing; |
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17 | ||
18 | import java.awt.event.FocusEvent; |
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19 | import java.awt.event.FocusListener; |
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20 | ||
21 | import org.apache.commons.jelly.JellyTagException; |
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22 | import org.apache.commons.jelly.Script; |
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23 | import org.apache.commons.jelly.TagSupport; |
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24 | import org.apache.commons.jelly.XMLOutput; |
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25 | import org.apache.commons.logging.Log; |
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26 | import org.apache.commons.logging.LogFactory; |
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27 | ||
28 | public class FocusListenerTag extends TagSupport |
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29 | { |
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30 | 8 | protected static final Log log = LogFactory.getLog(FocusListenerTag.class); |
31 | ||
32 | protected String var; |
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33 | protected Script gained; |
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34 | protected Script lost; |
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35 | ||
36 | /** |
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37 | * |
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38 | */ |
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39 | public FocusListenerTag() |
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40 | { |
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41 | 0 | super(); |
42 | 0 | } |
43 | ||
44 | /** |
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45 | * @param var |
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46 | */ |
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47 | public void setVar(String var) |
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48 | { |
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49 | 0 | this.var = class="keyword">var; |
50 | 0 | } |
51 | ||
52 | /** |
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53 | * @param gained |
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54 | */ |
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55 | public void setGained(Script gained) |
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56 | { |
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57 | 0 | this.gained = gained; |
58 | 0 | } |
59 | ||
60 | /** |
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61 | * @param lost |
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62 | */ |
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63 | public void setLost(Script lost) |
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64 | { |
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65 | 0 | this.lost = lost; |
66 | 0 | } |
67 | ||
68 | public void doTag(final XMLOutput output) throws JellyTagException |
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69 | { |
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70 | // now lets add this action to its parent if we have one |
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71 | 0 | ComponentTag tag = (ComponentTag)findAncestorWithClass(ComponentTag.class); |
72 | 0 | if (tag != null) |
73 | { |
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74 | 0 | FocusListener listener = new FocusListener() |
75 | { |
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76 | public void focusGained(FocusEvent e) |
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77 | { |
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78 | invokeScript(output, e, gained); |
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79 | } |
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80 | ||
81 | public void focusLost(FocusEvent e) |
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82 | { |
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83 | invokeScript(output, e, lost); |
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84 | } |
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85 | }; |
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86 | 0 | tag.addFocusListener(listener); |
87 | } |
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88 | 0 | } |
89 | ||
90 | protected void invokeScript(XMLOutput output, FocusEvent event, Script script) |
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91 | { |
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92 | 0 | if (var != null) |
93 | { |
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94 | // define a variable of the event |
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95 | 0 | context.setVariable(var, event); |
96 | } |
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97 | ||
98 | try |
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99 | { |
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100 | 0 | if (script != null) |
101 | { |
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102 | 0 | script.run(context, output); |
103 | } |
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104 | else |
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105 | { |
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106 | // invoke the body |
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107 | 0 | invokeBody(output); |
108 | } |
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109 | } |
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110 | 0 | catch (Exception e) |
111 | { |
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112 | 0 | log.error("Caught exception processing window event: " + event, e); |
113 | 0 | } |
114 | 0 | } |
115 | ||
116 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |