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46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
caption: transclusion
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created: 20141002004621385
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modified: 20150107121000000
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tags: Variables
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title: WidgetVariable: transclusion
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type: text/vnd.tiddlywiki
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The ''transclusion'' [[variable|Variables]] is automatically set by the TranscludeWidget to contain a string identifying the position of the current node within the widget tree.
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With the ''transclusion'' variable, the QualifyMacro identifies the stack of transcluded tiddlers.
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In the sidebar, the ''transclusion'' variable is set to:<br>
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`{|$:/core/ui/PageTemplate/sidebar|||}`
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When the tiddler "HelloThere" is displayed in the story river ''transclusion'' is set to:<br> `{HelloThere|HelloThere|||}`
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Each nested level of transclusion appends another curly bracketed list of symbols.
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!! Example
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''identifying if we're in the sidebar or not''
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```
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\define mymacro()
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We are
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<$list
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filter="[<transclusion>prefix[{|$:/core/ui/PageTemplate/sidebar|||}]]"
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emptyMessage="in the story river.">
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in the sidebar.
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</$list>
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\end
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<<mymacro>>
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```
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Result in a story tiddler:
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<<<
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We are in the story river.
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<<<
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Result in the sidebar:
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<<<
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We are in the sidebar.
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<<< |