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21 lines
1.0 KiB
Plaintext
21 lines
1.0 KiB
Plaintext
created: 201308270759
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modified: 201311011115
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tags: Concepts
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title: TextReference
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A TextReference identifies a chunk of text from a tiddler that can be retrieved or modified depending on the context.
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Text references are made up of several parts, most of which can be optional:
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* `<tiddler title>` - the text [[field|TiddlerFields]] of the specified tiddler
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* `<tiddler title>!!<metadata field>` - a tiddler metadata [[field|TiddlerFields]] (eg, `modified`, `modifier`, `type` etc)
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* `!!<metadata field>` - a metadata [[field|TiddlerFields]] of the current tiddler
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* `<tiddler title>##<property index>` - extracts a named property from DataTiddlers
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Text references can be used in several places:
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* As IndirectOperands within [[Filters]] (eg, `<$list filter="[tag{MyTag!!name}]"/>`)
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* As IndirectAttributes of an element or widget (eg, `<$widget attrib={{Title!!description}}/>`)
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* As the operand of a shortcut transclusion (eg, `{{MyTiddler!!title}}`)
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* As the `state` attribute of the RevealWidget and the LinkCatcherWidget
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