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33 lines
1.7 KiB
Plaintext
33 lines
1.7 KiB
Plaintext
caption: linkcatcher
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created: 20131024141900000
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modified: 20241031151342973
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tags: Widgets MessageHandlerWidgets TriggeringWidgets
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title: LinkCatcherWidget
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type: text/vnd.tiddlywiki
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! Introduction
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The link catcher widget traps [[WidgetMessage: tm-navigate]] dispatched within its child content by performing any or all of these actions:
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* sending a different widget message
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* setting a tiddler to the title of the navigated tiddler
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* setting a tiddler to a specified value
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* performing a series of ActionWidgets
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! Content and Attributes
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The content of the `<$linkcatcher>` widget is displayed normally.
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|!Attribute |!Description |
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|to |Optional title of the tiddler to be set to the title of the navigated tiddler |
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|message |Optional identifier for a [[widget message|Messages]] to be sent when a navigation is caught |
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|set |Optional title of the tiddler to be set to a specified value when navigation occurs |
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|setTo |Value to be assigned by the `set` attribute |
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|actions |Actions to be performed when a link is caught. Within the action string, the variable <<.var navigateTo>> contains the title of the tiddler being navigated.<br><<.from-version "5.1.23">> the <<.var modifier>> variable lists the modifier keys that are pressed when the action is invoked.<br>The possible modifiers are ''ctrl'', ''ctrl-alt'', ''ctrl-shift'', ''alt'', ''alt-shift'', ''shift'' and ''ctrl-alt-shift'' |
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|!Action Variables |!Description |
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|`navigateTo` |Contains the tiddler title being navigated to |
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|`modifier` |Contains the value of a modifier key, active while actions are activated |
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<<.tip """<<.from-version "5.2.0">> For more complex use cases involving trapping the <<.param tm-navigate>> message consider the MessageCatcherWidget which provides greater flexibility""">>
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