2023-05-09 13:25:39 +02:00
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<!DOCTYPE html>
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2019-03-21 09:57:27 +01:00
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<html lang="en">
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2023-05-09 13:25:39 +02:00
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<head>
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<title>Poppable Doctest</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<link rel="stylesheet" href="./3rdparty/highlight/styles/default.css" />
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<link rel="stylesheet" href="../css/doctest.css" />
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<script src="./3rdparty/highlight/highlight.pack.js"></script>
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<script src="./3rdparty/all.js"></script>
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<script src="../dist/iwmlib.js"></script>
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</head>
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2019-03-21 09:57:27 +01:00
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2023-05-09 13:25:39 +02:00
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<body id="page" onload="Doctest.run()">
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<h1><a href="index.html">lib.</a>Poppables</h1>
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<p>
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Poppables present information on demand in a given context. This is an abstract base class for Popup menus
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and other contextual information like image highlights. It's main purpose is to ensure that only one
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poppable at a time can be shown in a given context. Note that in an application multiple poppables can be
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shown in different context at the same time.
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</p>
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<p>
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Let's look at an example of a popup class. In this class the register method is called by the constructor.
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The class also implements a close method which is called if the second poppable is registered.
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<script class="doctest">
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class ConcretePoppable extends Poppable {
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constructor(context) {
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super()
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this.register(context)
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}
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2019-03-21 09:57:27 +01:00
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2023-05-09 13:25:39 +02:00
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close() {
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alert('closed')
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}
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}
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2019-03-21 09:57:27 +01:00
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2023-05-09 13:25:39 +02:00
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let context = window
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let a = new ConcretePoppable(context)
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let b = new ConcretePoppable(context)
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</script>
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</p>
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</body>
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</html>
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