canjs/canjs

We CAN build the impossible! https://codepen.io/justinbmeyer/pen/yEGGoK

Chasen Le Hara

@chasenlehara

@Macrofig, just FYI, there’s https://gitter.im/bitovi/documentjs

I don’t know the answer to your question though (if \@ didn’t work)… maybe @justinbmeyer @phillipskevin or @matthewp know?

Juan Orozco

@Macrofig

Ah, for some reason, I thought we consolidated to this and donejs channel.

So, \@ works but there's an issue. I'll take the conversation to docjs channel.

lmagarian

@lmagarian

I'm trying to make a group of checkboxes bound to a DefineList of strings. Using this code:

It is correctly setting the checked state when the page loads

I'd expected selectedKeys to be updated as the checkbox is checked or unchecked but it isn't. What do I need to do differently?

Kevin Phillips

@phillipskevin

can you create a JSBin example?

can’t see anything wrong with just that line

Kevin Phillips

@phillipskevin

you can modify this one: http://jsbin.com/dilagejeya/edit?js,output

lmagarian

@lmagarian

ok, I modified that to use DefineList for the owns array and it still works

Kevin Phillips

@phillipskevin

maybe you don’t have can-stache-converters imported in your app?

Justin Meyer

@justinbmeyer

https://www.youtube.com/watch?v=_7FJA0PzAgA

A walk through of how to build a file navigator ... you can probably skip the first 20 min or so if you are familiar with CanJS

@MarcGodard I wouldn't suggest using can.Control + routes like that

oh, looks like kevin talked to you about it

deepasrikanth

@deepasrikanth

Hi there I need help with something

deepasrikanth

@deepasrikanth

how can i disable cacheConnection? In other words I would like to force not to cache the data and fetch by hitting the API

I am using canJs 3

Kevin Phillips

@phillipskevin

@deepasrikanth if you’re using superMap, you’ll have to change it so you can configure the behaviors yourself

Here is a basic example: http://canjs.com/doc/can-connect.html#Configurebehaviors

and you can look at the superMap code for the behaviors it is using: https://github.com/canjs/can-connect/blob/master/can/super-map/super-map.js#L22-L48

deepasrikanth

@deepasrikanth

ok thanks. I will check that out. If I have questions I will come back. Thanks again!

Kevin Phillips

@phillipskevin

sure, no problem!

Morgan Heimbeck

@Xitstrategies

in can v2 with a view.attr how do I properly get the attrData.scope._context? I can't do attrData.scope.attr(), etc.

deepasrikanth

@deepasrikanth

Hi Kevin another question.. the problem I am facing that my view is not hitting the API to show the latest data. But if I visit the page again or refresh it works. So I was trying to find a way to disable caching. Hence my previous question. Is there any other way to refresh the view to show the latest instead of clearing cache?

Kevin Phillips

@phillipskevin

maybe that’s not a caching issue

even with the fall-through cache, it will still make the request to the API

it will just give the cached data, then make the request to the API and update the response

what change is happening that should trigger the new request?

deepasrikanth

@deepasrikanth

so I have a form in a view where I am creating a row of data.. another view should list all the rows of data

now on one tab I save new data and another tab I try to visit the list page and I don't see the new data. The API request does not show the new data as well. but If I go back by browser back or another way and come back to the list page... the api request shows new data. So I doubted the caching.

Kevin Phillips

@phillipskevin

hmm, ok

it’s hard to say what’s happening

any way you can try to reproduce it in a jsbin?

deepasrikanth

@deepasrikanth

I can try. I have not used it so far.

Kevin Phillips

@phillipskevin

there is a link at the top of gitter that you can use to get started

deepasrikanth

@deepasrikanth

So this code works if I use fixtures.. but this problem happens when I really hit the APIs that talk to my local mongo

If I copy the code in jsBin you won't be able to see the problem by running it but you can see the code I guess

http://jsbin.com/jitesiraci/edit?html,js,output

Morgan Heimbeck

@Xitstrategies

try doing this in your ViewModel instead of in the init

"eventGroups": {
    get: function() {
      return EventGroup.getList({});
    }
  },

deepasrikanth

@deepasrikanth

will try that. I just tried this in my model definition "cacheConnection": "real-time",

seems to be working. is that a valid configuration?

deepasrikanth

@deepasrikanth

never mind my last question

deepasrikanth

@deepasrikanth

Thank you guys. changing super map to base map worked.

Gira Minus

@gKreator

@phillipskevin Thanks I figured it out that night I forgot to mention it.

Is there any good way to prompt somebody to save a form as they are trying to navigate away? Let's say they filled out a form and forgot to save. Is there a decent way to prevent route change or force them back or something?

I know if they close the web browser you can do the js onbeforeunload event

Frank Lemanschik

@frank-dspeed

@gKreator you can let the on route change event block if form is filled partial

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