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37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
caption: transclusion
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created: 20141002004621385
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modified: 20150221225622000
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tags: Variables [[Core Variables]]
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title: transclusion Variable
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type: text/vnd.tiddlywiki
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The <<.def transclusion>> [[variable|Variables]] is set by the <<.wlink TranscludeWidget>> widget to a string that identifies the position of that widget within the [[widget tree|Widgets]].
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~TiddlyWiki's core uses it to detect recursive [[transclusion|Transclusion]]. It is also used to implement the <<.mlink qualify>> macro.
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The string has the following syntax:
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<$railroad text="""
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"{" a "|" b "|" c "|" d "|" e "|" "}"
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"""/>
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<ol style="list-style-type: lower-alpha;">
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<li>the title of the [[current tiddler|Current Tiddler]]</li>
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<li>the title of the tiddler being transcluded</li>
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<li>the name of the field being transcluded</li>
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<li>the name of the property name or index being transcluded</li>
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<li>the name of the subtiddler being transcluded from a plugin</li>
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</ol>
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Many of the five items are often blank.
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In the sidebar, the value of <<.var transclusion>> is:
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> `{|$:/core/ui/PageTemplate/sidebar|||}`
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When the tiddler <<.tid HelloThere>> is displayed in the story river, <<.var transclusion>> is set to:
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> `{HelloThere|HelloThere|||}`
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<<.variable-examples "transclusion">>
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