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14 This code is distributed in the hope that it will be useful, but WITHOUT |
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26 questions. |
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27 --> |
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28 <title></title> |
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29 </head> |
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30 <body bgcolor="white"> |
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31 |
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32 Provides user interface objects built according to the cross-platform |
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33 Nimbus look and feel. |
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34 |
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35 <p>Nimbus uses instances of the {@link javax.swing.Painter} interface to paint |
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36 components. With each Swing component it associates a foreground and a |
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37 background {@code Painter}, and there may be several painters for different |
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38 component states. |
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39 |
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40 <p>Nimbus allows customizing many of its properties, including painters, by |
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41 altering the {@link javax.swing.UIDefaults} table. Here's an example: |
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42 <pre> |
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43 UIManager.put("ProgressBar.tileWidth", myTileWidth); |
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44 UIManager.put("ProgressBar[Enabled].backgroundPainter", myBgPainter); |
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45 UIManager.put("ProgressBar[Enabled].foregroundPainter", myFgPainter); |
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46 </pre> |
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47 |
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48 <p>Per-component customization is also possible. When rendering a component, |
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49 Nimbus checks its client property named "Nimbus.Overrides". The value of this |
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50 property should be an instance of {@code UIDefaults}. Settings from that table |
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51 override the UIManager settings, but for that particular component instance |
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52 only. An optional client property, "Nimbus.Overrides.InheritDefaults" of type |
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53 Boolean, specifies whether the overriding settings should be merged with |
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54 default ones ({@code true}), or replace them ({@code false}). By default they |
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55 are merged: |
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56 <pre> |
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57 JProgressBar bar = new JProgressBar(); |
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58 UIDefaults overrides = new UIDefaults(); |
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59 overrides.put("ProgressBar.cycleTime", 330); |
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60 ... |
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61 bar.putClientProperty("Nimbus.Overrides", overrides); |
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62 bar.putClientProperty("Nimbus.Overrides.InheritDefaults", false); |
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63 </pre> |
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64 |
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65 <p>Colors in Nimbus are derived from a core set of |
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66 <a href="doc-files/properties.html#primaryColors">primary colors</a>. There are also |
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67 <a href="doc-files/properties.html#secondaryColors">secondary colors</a>, which are |
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68 derived from primary ones, but serve themselves as base colors for other |
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69 derived colors. The derivation mechanism allows for runtime customization, |
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70 i.e. if a primary or secondary color is changed, all colors that are derived |
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71 from it are automatically updated. The method |
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72 {@link javax.swing.plaf.nimbus.NimbusLookAndFeel#getDerivedColor(java.lang.String, float, float, float, int, boolean)} |
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73 may be used to create a derived color. |
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74 |
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75 <p>These classes are designed to be used while the |
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76 corresponding <code>LookAndFeel</code> class has been |
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77 installed |
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78 (<code>UIManager.setLookAndFeel(new <i>XXX</i>LookAndFeel())</code>). |
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79 Using them while a different <code>LookAndFeel</code> is installed |
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80 may produce unexpected results, including exceptions. |
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81 Additionally, changing the <code>LookAndFeel</code> |
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82 maintained by the <code>UIManager</code> without updating the |
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83 corresponding <code>ComponentUI</code> of any |
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84 <code>JComponent</code>s may also produce unexpected results, |
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85 such as the wrong colors showing up, and is generally not |
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86 encouraged. |
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87 |
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88 <p><strong>Note:</strong> |
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89 Most of the Swing API is <em>not</em> thread safe. |
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90 For details, see |
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91 <a href="http://java.sun.com/docs/books/tutorial/uiswing/concurrency/index.html" |
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92 target="_top">Concurrency in Swing</a>, |
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93 a section in |
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94 <em><a href="http://java.sun.com/docs/books/tutorial/" |
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95 target="_top">The Java Tutorial</a></em>. |
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96 |
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97 @since 1.7 |
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98 @serial exclude |
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99 |
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100 </body> |
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101 </html> |