mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-05 01:26:18 +00:00
47 lines
2.2 KiB
Plaintext
47 lines
2.2 KiB
Plaintext
created: 20210309133636211
|
|
modified: 20211222153049771
|
|
tags: Widgets MessageHandlerWidgets TriggeringWidgets
|
|
title: MessageCatcherWidget
|
|
type: text/vnd.tiddlywiki
|
|
|
|
! Introduction
|
|
|
|
<<.from-version "5.2.0">>
|
|
|
|
The message catcher widget traps [[messages|Messages]] dispatched within its child content, and allows invoking a series of ActionWidgets in response to those messages.
|
|
|
|
! Content and Attributes
|
|
|
|
The content of the `<$messagecatcher>` widget is displayed normally.
|
|
|
|
|!Attribute |!Description |
|
|
|//{any attributes starting with $}// |Each attribute name (excluding the $) specifies the name of a message, and the value specifies the action string to be invoked |
|
|
|type |Name of the message be trapped, for example "tm-scroll" or "tm-navigate". The `type` and `actions` attributes can be useful when the type of event needs to be specified via a variable or text reference |
|
|
|actions |Action string to be invoked when a matching message is trapped. Must be used in conjunction with the `type` attribute |
|
|
|
|
! Variables
|
|
|
|
The message catcher widget sets the following variables within each action string:
|
|
|
|
|!Variables |!Description |
|
|
|`event-*` |All string-based properties of the `event` object, with the names prefixed with `event-` |
|
|
|`list-event` |A list of the names of each the string-based properties of the `event` object (the names are not prefixed with `event-`) |
|
|
|`event-paramObject-*` |All string-based properties of the `event.paramObject` object, with the names prefixed with `event-paramObject-` |
|
|
|`list-event-paramObject` |A list of the names of each the string-based properties of the `event.paramObject` object (the names are not prefixed with `event-paramObject-`) |
|
|
|`modifier` |For messages that originated with browser events, the modifier keys that were pressed when the event was fired. The possible modifiers are ''normal'' (no modifiers), ''ctrl'', ''ctrl-alt'', ''ctrl-shift'', ''alt'', ''alt-shift'', ''shift'' and ''ctrl-alt-shift'' |
|
|
|
|
! Example
|
|
|
|
<$macrocall $name="wikitext-example-without-html" src="""
|
|
\define actions()
|
|
<$action-log/>
|
|
\end
|
|
|
|
<$messagecatcher $tm-navigate=<<actions>>>
|
|
|
|
Click on [[this link]] to fire an action. See the browser JavaScript console for the output
|
|
|
|
</$messagecatcher>
|
|
"""/>
|
|
|