3 Replies Latest reply: Sep 2, 2016 2:38 PM by Francis Kabinoff

Any tutorials on creating custom filters?

Michael Andrews Sep 2, 2016 1:04 PM

I want to build my own extension that filters data. I.e. it has a date input of some kind the user sets, and then in turn tells the data give me stuff where col_date = myDateVar. Are there any tutorials on something similar?

Re: Any tutorials on creating custom filters?

Francis Kabinoff Sep 2, 2016 1:20 PM (in response to Michael Andrews )

Not exactly a tutorial, but a useful resource would be other similar projects, which you could find at Qlik Branch
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- Re: Any tutorials on creating custom filters?
  
  Michael Andrews Sep 2, 2016 1:50 PM (in response to Francis Kabinoff )
  
  So I was looking at one, a date picker specifically. But I'm not really unclear on how I tell qlick, here is the date, filter the data for me. Is there any way you could point me in the right direction?
  
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  - Re: Any tutorials on creating custom filters?
    
    Francis Kabinoff Sep 2, 2016 2:38 PM (in response to Michael Andrews )
    
    So, there's quite a few ways, actually. I can give you some quick resources on 3
    
    Method 1
    If you're making selections from your custom object, this one may be appropriate
    selectValues method ‒ Qlik Sense
    This one enables the selection preview, just like a standard qlik object. There's an example in the doc link above.
    
    Method 2
    This is just like method 1, but bypasses the selection preview, and sends the selection straight to the engine
    selectValues method ‒ Qlik Sense
    
    Method 3
    You can also grab a reference to the current app and use the field API. 2 links below, 1 for grabbing the reference to the current app, and one to the Field API.
    currApp method ‒ Qlik Sense
    QField ‒ Qlik Sense
    
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