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TiddlyWiki5/editions/tw5.com/tiddlers/widgets/TiddlerWidget.tid
Jermolene 50b0004481 Docs fix: Remove erroneous "class" attribute from tiddler widget
The tiddler widget doesn’t generate any DOM nodes, and so wouldn’t have
anything useful to do with a “class” attribute in any case.
2017-09-01 11:13:39 +01:00

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created: 20130824154300000
modified: 20170901101236822
tags: Widgets
title: TiddlerWidget
type: text/vnd.tiddlywiki
caption: tiddler
! Introduction
The TiddlerWidget is used to set a value for the [[current tiddler|Current Tiddler]] variable, valid within the scope of the TiddlerWidget.
! Content and Attributes
|!Attribute |!Description |
|tiddler |The title of the tiddler to become the new [[current tiddler|Current Tiddler]] |
! CSS Class Variables
The tiddler widget assigns several useful CSS classes to variables that it creates:
; missingTiddlerClass
: `tc-tiddler-exists` or...
: `tc-tiddler-missing` depending on whether the tiddler exists
;shadowTiddlerClass
: `tc-tiddler-shadow` if the tiddler is a shadow tiddler
;systemTiddlerClass
:` tc-tiddler-system` if the tiddler is a system tiddler
;tiddlerTagClasses
: a space separated list of CSS classes named `tc-tagged-{tagname}`,<br>e.g. `tc-tagged-introduction`<br><br>''Note:'' tag names are URI encoded which means that the tag [[$:/tags/Macro]] appears as the CSS class `tc-tagged-%24%3A%2Ftags%2FMacro`. See [[How to apply custom styles by tag]] for more details
You can use these variables like this:
```
<$tiddler tiddler="MyOtherTiddler">
<div class=<<missingTiddlerClass>>>
<$transclude/>
</div>
</$tiddler>
```
See also [[$:/core/ui/ViewTemplate]].