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52 if (SwingUtilities.isEventDispatchThread()) body |
52 if (SwingUtilities.isEventDispatchThread()) body |
53 else SwingUtilities.invokeLater(new Runnable { def run = body }) |
53 else SwingUtilities.invokeLater(new Runnable { def run = body }) |
54 } |
54 } |
55 |
55 |
56 |
56 |
57 /* delayed actions */ |
57 /* delayed events */ |
58 |
58 |
59 abstract class Delay extends |
59 def delay_first(delay: => Time)(event: => Unit): Simple_Thread.Delay = |
60 { |
60 Simple_Thread.delay_first(delay) { later { event } } |
61 def invoke(): Unit |
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62 def revoke(): Unit |
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63 def postpone(time: Time): Unit |
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64 } |
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65 |
61 |
66 private def delayed_action(first: Boolean)(time: => Time)(action: => Unit): Delay = |
62 def delay_last(delay: => Time)(event: => Unit): Simple_Thread.Delay = |
67 new Delay { |
63 Simple_Thread.delay_last(delay) { later { event } } |
68 private val timer = new Timer(time.ms.toInt, null) |
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69 timer.setRepeats(false) |
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70 timer.addActionListener(new ActionListener { |
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71 override def actionPerformed(e: ActionEvent) { |
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72 assert {} |
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73 timer.setInitialDelay(time.ms.toInt) |
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74 action |
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75 } |
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76 }) |
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77 |
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78 def invoke() |
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79 { |
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80 require {} |
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81 if (first) timer.start() else timer.restart() |
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82 } |
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83 |
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84 def revoke() |
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85 { |
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86 require {} |
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87 timer.stop() |
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88 timer.setInitialDelay(time.ms.toInt) |
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89 } |
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90 |
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91 def postpone(alt_time: Time) |
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92 { |
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93 require {} |
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94 if (timer.isRunning) { |
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95 timer.setInitialDelay(timer.getInitialDelay max alt_time.ms.toInt) |
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96 timer.restart() |
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97 } |
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98 } |
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99 } |
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100 |
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101 // delayed action after first invocation |
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102 def delay_first = delayed_action(true) _ |
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103 |
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104 // delayed action after last invocation |
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105 def delay_last = delayed_action(false) _ |
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106 } |
64 } |