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org.apache.commons.jelly.tags.swing.FontTag |
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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.Font; |
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19 | import java.util.Map; |
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20 | ||
21 | import org.apache.commons.jelly.JellyTagException; |
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22 | import org.apache.commons.jelly.MapTagSupport; |
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23 | import org.apache.commons.jelly.XMLOutput; |
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24 | ||
25 | import org.apache.commons.logging.Log; |
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26 | import org.apache.commons.logging.LogFactory; |
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27 | ||
28 | /** |
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29 | * Creates an Font and attaches it to the parent component or exports the font as |
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30 | * a reusable variable that can be attached to multiple widgets. |
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31 | * |
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32 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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33 | * @version $Revision: 155420 $ |
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34 | */ |
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35 | public class FontTag extends MapTagSupport { |
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36 | ||
37 | /** The Log to which logging calls will be made. */ |
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38 | 8 | private static final Log log = LogFactory.getLog(FontTag.class); |
39 | ||
40 | /** the current font instance */ |
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41 | private Font font; |
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42 | ||
43 | 0 | public FontTag() { |
44 | 0 | } |
45 | ||
46 | // Tag interface |
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47 | //------------------------------------------------------------------------- |
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48 | /* |
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49 | * maybe do some type conversions or name mapping code... |
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50 | * |
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51 | public void setAttribute(String name, Object value) { |
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52 | if (name.equals("size")) { |
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53 | super.setAttribute(name, ConvertUtils.convert(Integer.class, value)); |
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54 | } |
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55 | else { |
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56 | super.setAttribute(name, value); |
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57 | } |
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58 | } |
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59 | */ |
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60 | ||
61 | public void doTag(final XMLOutput output) throws JellyTagException { |
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62 | 0 | Map attributes = getAttributes(); |
63 | 0 | String var = (String) attributes.remove("var"); |
64 | ||
65 | 0 | font = createFont(attributes); |
66 | ||
67 | 0 | if (var != null) { |
68 | 0 | context.setVariable(var, font); |
69 | } |
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70 | else { |
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71 | // now lets add this font to its parent if we have one |
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72 | 0 | ComponentTag tag = (ComponentTag) findAncestorWithClass( ComponentTag.class ); |
73 | 0 | if ( tag != null ) { |
74 | 0 | tag.setFont(font); |
75 | } |
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76 | else { |
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77 | 0 | throw new JellyTagException( "this tag must be nested within a JellySwing widget tag or the 'var' attribute must be specified" ); |
78 | } |
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79 | } |
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80 | 0 | } |
81 | ||
82 | // Properties |
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83 | //------------------------------------------------------------------------- |
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84 | ||
85 | /** |
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86 | * @return the Font object for this tag |
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87 | */ |
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88 | public Font getFont() { |
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89 | 0 | return font; |
90 | } |
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91 | ||
92 | ||
93 | // Implementation methods |
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94 | //------------------------------------------------------------------------- |
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95 | ||
96 | /** |
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97 | * Factory method to create a new Font based on the given properties |
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98 | */ |
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99 | protected Font createFont(Map map) { |
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100 | 0 | log.info( "Creating font from properties: " + map ); |
101 | 0 | Font font = new Font(map); |
102 | //Font font = Font.getFont(map); |
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103 | 0 | log.info( "Created font: " + font ); |
104 | 0 | return font; |
105 | } |
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106 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |