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14 lines
1.1 KiB
Plaintext
14 lines
1.1 KiB
Plaintext
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chapter.of: TiddlyWiki - A quick Overview
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created: 20140708082154372
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modified: 20140715083432391
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sub.num: 4
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tags: doc
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title: The User Interface
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Following the "anything is a tiddler" concept, even the UI consists of tiddlers.
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This is possible because tiddlers can not only contain plain text or JavaScript (modules) but they also can contain a special markup text called WikiText.
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By using WikiText the user can put markup elements like tables or images in a tiddler.
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To provide some more sophisticated UI elements, WikiText can also contain special widgets like text input fields,
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checkboxes, dynamic lists etc.
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In most cases, these widgets are used to directly modify or represent the information contained in other tiddlers.
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If a tiddler is changed and this change should reflect in an UI element e.g. a widget, a process called selective update takes place. Selective updating means when a tiddler or a set of tiddlers changes, each widget is asked, if changes to this tiddlers would affect its appearance. If so, the respective widget is re-rendered otherwise it remains unchanged.
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