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LinkCatcherWidget

 31st October 2024 at 3:13pm

Introduction

The link catcher widget traps WidgetMessage: tm-navigate dispatched within its child content by performing any or all of these actions:

  • sending a different widget message
  • setting a tiddler to the title of the navigated tiddler
  • setting a tiddler to a specified value
  • performing a series of ActionWidgets

Content and Attributes

The content of the <$linkcatcher> widget is displayed normally.

AttributeDescription
toOptional title of the tiddler to be set to the title of the navigated tiddler
messageOptional identifier for a widget message to be sent when a navigation is caught
setOptional title of the tiddler to be set to a specified value when navigation occurs
setToValue to be assigned by the set attribute
actionsActions to be performed when a link is caught. Within the action string, the variable navigateTo contains the title of the tiddler being navigated.
Introduced in v5.1.23 the modifier variable lists the modifier keys that are pressed when the action is invoked.
The possible modifiers are ctrl, ctrl-alt, ctrl-shift, alt, alt-shift, shift and ctrl-alt-shift
Action VariablesDescription
navigateToContains the tiddler title being navigated to
modifierContains the value of a modifier key, active while actions are activated

Tip
Introduced in v5.2.0 For more complex use cases involving trapping the tm-navigate message consider the MessageCatcherWidget which provides greater flexibility