How to know PDF is loaded?

Ignition
1

Hi,
I am using pdf viewer componant and I want to execute my code after PDF get loaded completely. How can I get that PDF is loaded. I cant see any event, there I will get to know PDF loaded or not. Now my code is executing before PDF load.
Any idea?

2

You’ll have to use some Java methods within Jython in order to do this. Start Here org.icepdf.core.events

You want to probably look at org.icepdf.core.events, then PageLoadingListener

1 Like
3

Okay…But How PageLoadingListener is used in Ignition scripting?
can you please guide?

4

I started a script to test, but I have little experience in Java. Someone else maybe able to get the script working.

if event.propertyName == 'filePath':
	import org.icepdf.core.events.PageLoadingEvent as PageLoadingEvent
	import org.icepdf.core.events.PageLoadingListener as PageLoadingListener
	
	ple = PageLoadingEvent(event.source)
	target = pageLoadingListener.get()
	
	if target.pageLoadingEnded(ple):
		system.gui.messageBox('Loading Complete')

It maybe much simpler to have your code called by invokeLater(). The script below will execute 1000ms after the filePath of the PDF viewer changes.

if event.propertyName == 'filePath':
	def myFunc():
		...
	system.util.invokeLater(myFunc,1000)
5

okay… Thank you…
I think it is in vision but I want it in perpsective.
can I try with same way in perspective?

6

Hi, I have tried this but it is throwing error like 'No icepdf module available '.
I have downloaded this but no idea about How to import external java module in ignition.
Can you please help on this?

7

I’d say that perspective isn’t using icePDF for the pdf component since perspective is based on html5 and CSS not a Java runtime like Vision. I don’t know much about Perspective, so I can’t really say where to start.

8

okay.Thanks.