use of addInstance

Forum|Forum|5 years ago
September 2, 2020
3 replies
1366 views

Hello,

I'm trying to use AEM Forms addInstance() method inside a MasterPage to instantiate multiple times, via a for loop, a subform (placed outside the Master Page). The result is that it calls the document multiple times, it goes into an infinite loop. Is it not possible to use addInstance() in this way in a MasterPage??

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Best answer by Mayank_Gandhi

@utente2 just put on form ready or somewhere except master page and test.

Kosta_Prokopiu1

Adobe Employee

This does not sound like any good practice that I know 🙂 What do you mean "outside a master page"? Infinite loop is probably your for loop where the end criterium does not come about. Masterpages have different rules compared to normal pages. Can you draw some concept of what you are trying to achieve?

Mayank_Gandhi

Accepted solution

Adobe Employee

@utente2 just put on form ready or somewhere except master page and test.

U

utente2Author

Level 2

In a template I have to import a fragment. In this fragment I want to create several instances of a subform and for each of these I check if the number of pages of the fragment has changed as the number of instances of the subform increases. For example, if after 5 iterations the fragment from 1 page goes to 2 pages I have to hide an element that is on the first page and modify another element that is on the next page.

I thought about using the master page because from here I could read the value of xfa.layout.page (this), but I had to put the rest of the code (the loop with addInstance()) inside it too

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