Emulating window.onbeforeunload for hash navigation

[Unirgy]

Hi,

If I have a <ng:view/> template form open with unsaved changes, what
is the best way in angular to confirm with user navigation away from
the form?

Thanks,
Boris.

[Igor Minar]

There is no "direct" support for this.

Please file an RFE. In the meantime, you might (there might be some
complications) use $route.onChange to intercept hash changes.

/i

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[Unirgy]

I've tried to submit issue on github, but getting error 500 :-\

Here it is:

$route.onChange() is too late, so I suggest adding $route.unless()
method with the following syntax:

// set verification for route change when first change made to the
form from controller:
$route.unless(this.myConfirmMethod);

// unset verification when form is saved or cancelled or navigation
away was confirmed:
$route.unless(null);

$route.unless() callback would be checked in the beginning of $route-
>updateRoute() method, and could contain something like this:

function myConfirmMethod() {
return confirm('You have unsaved changes, are you sure you
wish to navigate away?");

[Igor Minar]

do you need to intercept navigation only within your app or do you care about navigating outside of your app as well?

/i

[Boris Gurvich]

I need everything I can get :)

I'm also implementing lock/scheduled draft save functionality, so it will
give user max 30 seconds of unfinished work, in case they navigate outside
of the page.
But if I can have confirmation within the site, I'll take it.

[Unirgy]

And, navigating outside of the page can be taken care of regular onbeforeonload hook, right?

[Igor Minar]

yes

On Mon, Apr 11, 2011 at 10:30 AM, Unirgy <uni...@gmail.com> wrote:

And, navigating outside of the page can be taken care of regular onbeforeonload hook, right?

--

[Igor Minar]

are you using links (<a href="..."></a>) for navigation within your app? can anything else cause the user to load a new route?

/i