mirror of
https://github.com/Jermolene/TiddlyWiki5
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82 lines
2.4 KiB
Plaintext
82 lines
2.4 KiB
Plaintext
title: LinkWidget
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tags: widget
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The `link` widget generates links to tiddlers.
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! Content and Attributes
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|!Attribute |!Description |
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|to |The title of the target tiddler for the link (defaults to the [[WidgetVariable: currentTiddler]]) |
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|tooltip |Optional tooltip WikiText |
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The content of the link widget is rendered within the `<a>` tag.
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The default value of the tooltip attribute is `<<tw-wikilink-tooltip>>`. If that variable is not defined then the following text is used:
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```
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<$transclude field="tooltip"><$transclude field="title"/></$transclude>
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```
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This means that you can control the text of a link tooltip in several ways:
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```
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<$link to="HelloThere" tooltip="Custom tooltip">Link 1</$link>
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<$set name="tw-wikilink-tooltip" value="I'm a link to {{!!title}}">
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<$link to="HelloThere">Link 2</$link>
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</$set>
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```
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Renders as:
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<$link to="HelloThere" tooltip="Custom tooltip">Link 1</$link>
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<$set name="tw-wikilink-tooltip" value="I'm a link to {{!!title}}">
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<$link to="HelloThere">Link 2</$link>
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</$set>
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Note that the tooltip is rendered with the current tiddler set to the target of the link.
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! CSS Classes
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* `tw-tiddlylink` - applied to all links
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* `tw-tiddlylink-external` - applied to external, non-tiddler links
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* `tw-tiddlylink-internal` - applied to tiddler links
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* `tw-tiddlylink-missing` - applied to tiddler links where the target tiddler doesn't exist
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* `tw-tiddlylink-resolves` - applied to tiddler links when the target tiddler does exist
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! Configuration macros
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Configuration macros can be used to modify the behaviour of the link widget.
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!! tw-wikilinks
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Links are suppressed if the macro `tw-wikilinks` evaluates to the string `no`. For example:
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```
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\define tw-wikilinks() no
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```
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!! tw-wikilink-template
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The target of the link widget defaults to the URL encoded title of the tiddler. The `href` can be templated by defining the configuration macro `tw-wikilink-template`, and including within it the token `$uri_encoded$`. For example:
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```
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\define tw-wikilink-template() http://tiddlywiki.com/#$uri_encoded$
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```
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The token `$uri_doubleencoded$` is replaced by the double encoded title of the tiddler.
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Note that in the browser the `<a>` element generated by the link widget has a JavaScript event handler that navigates directly to the target tiddler, ignoring the `href` attribute.
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!! tw-wikilink-tooltip
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Provides default text for the link tooltip:
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```
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\define tw-wikilink-tooltip() This is a link to {{!!title}}
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<$link to="HelloThere"/>
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```
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