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TiddlyWiki5/editions/tw5.com/tiddlers/widgets/GenesisWidget.tid

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caption: genesis
2022-11-01 10:07:54 +00:00
created: 20221101100729587
modified: 20221101100729587
tags: Widgets
title: GenesisWidget
type: text/vnd.tiddlywiki
! Introduction
<<.from-version "5.2.4">> The <<.wlink GenesisWidget>> widget allows the dynamic construction of another widget, where the name and attributes of the new widget can be dynamically determined, without needing to be known in advance.
! Content and Attributes
The content of the <<.wlink GenesisWidget>> widget is used as the content of the dynamically created widget.
|!Attribute |!Description |
|$type |The type of widget or element to create (an initial `$` indicates a widget, otherwise an HTML element will be created) |
|$names |An optional filter evaluating to the names of a list of attributes to be applied to the widget |
|$values |An optional filter evaluating to the values corresponding to the list of names specified in `$names` |
|//{other attributes starting with $}// |Other attributes starting with a single dollar sign are reserved for future use |
|//{attributes starting with $$}// |Attributes starting with two dollar signs are appplied as attributes to the output widget, but with the attribute name changed to use a single dollar sign |
|//{attributes not starting with $}// |Any other attributes that do not start with a dollar are applied as attributes to the output widget |
Note that attributes explicitly specified take precedence over attributes with the same name specified in the `$names` filter.
! Examples
<$macrocall $name='wikitext-example-without-html'
src='<$genesis $type="div" class="tc-thing" label="Squeak">Mouse</$genesis>'/>
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<$macrocall $name='wikitext-example-without-html'
src="""\define my-banner(mode:"inline",caption)
<$genesis $type={{{ [<__mode__>match[inline]then[span]else[div]] }}} class="tc-mybanner">
<<__caption__>>
</$genesis>
\end
<<my-banner caption:"I'm in a SPAN">>
<<my-banner mode:"block" caption:"I'm in a DIV">>
"""/>