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Alternative content for include [closed]

asked 2018-10-17 22:09:02 +0800

jgomer2001 gravatar image jgomer2001
3 1

Hi,

In my app I have to do includes specifying variable src values, e.g.

<include src="@load(...)" />

Actual values depend on user input, so sometimes, they can point to an inexisting resource, thus, taking to an error page

I'm using ZK CE 8.5. I would like to know if there is some way for handling the case of inexisting resource, like providing fallback content when the include fails so I can prevent the whole page (the one with the includes) to crash...

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The question has been closed for the following reason "the question is answered, right answer was accepted" by cor3000
close date 2018-10-25 12:26:05

Comments

Thanks cor 3 thousand ;)

jgomer2001 ( 2018-10-25 04:55:58 +0800 )edit

you're welcome :)

cor3000 ( 2018-10-25 12:25:53 +0800 )edit

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answered 2018-10-23 12:38:08 +0800

cor3000 gravatar image cor3000
4263 1 7
ZK Team

updated 2018-10-23 12:40:38 +0800

you can check if the zul actually exists before updating the src attribute. demonstrated in this example: http://zkfiddle.org/sample/3en56to/1-check-existing-include-src

It shows 2 alternatives ... both cases check for the existence of the pageDefinition which is the internal representation of a parsed zul file in ZK.

One option simply checks for an exception, the other actually retrieves the page definition so you can do a null check. And set a sanitizedIncludeSrc.

Thus you don't have to deal with incorrect zul url applied to the include component, because it will receive correct values.

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Asked: 2018-10-17 22:09:02 +0800

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Last updated: Oct 23

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