SlideEventListener
SlideEventListener[opts__]
attaches an event listener to a current slide
.slide
# Slide 1
---
# Slide 2
Here is will fire
<SlideEventListener Id={"event"}/>
and then a handler on WL side
EventHandler["event", Echo]
Options
"Id"
a string representation of an event identifier, that will be used
Event generation
It fires an event for a given slide (where it is placed) when it is revealed with a topic "Slide" and for each slide-fragment revealed "fragment-x" topic / pattern.
i.e.
Patterns
"Slide"
fires when a slide was revealed (even the first one)
"fragment-_"
where _ is a number of a fragment revealed on a slide
"Mounted"
fires, once an HTML content for a slide is ready
"Left"
fires, once a user leaves the slide (goes to the next or previous one) with an integer as a payload, that gives the direction
"Destroy"
fires, once a presentation was closed for some reason
Try
EventHandler["myEvent", {any_String :> (Print[StringTemplate["::``:: ``"][any, #]]&)}];
.slide
# 1st Slide
Nothing
---
# 2nd Slide
A message pops up
Another message <!-- .element: class="fragment" data-fragment-index="1" -->
<SlideEventListener Id={"myEvent"}/>