Hello, @matmarex, and thank you for your answer.

Yes, it not looks like such a good way. The way I use for now, found it after sending that mail, is not good either, but seems to me a little better than this one, with hidden API.

I wrote it as

windowManager.getWindow(name)

.then(function(data) {windowManager.openWindow(data);})

// (openWindow(data) above can be also openWindow(name), it's the same)

.fail(function() {createMap(name); windowManager.openWindow(name);});

About your question, I've created a new version of Metro maps, with thumbnail in the article, that has a button, clicking on it opens a huge full version in a popup. I need this to be sure that I do not create some particular map twice, only if it wasn't created yet. I can give you some links to my code, if you're interested.

Thanks again,

Igal

בתאריך יום ב׳, 16 בינו׳ 2023, 21:59, מאת Bartosz Dziewoński ‏<matma.rex@gmail.com>:

On 2023-01-13 11:59, Igal Khitron wrote:
> Hello. Could you tell me, please, is there a way to check if a window
> exists in manager by its symbolic name? hasWindow() does not except such
> a name. getWindow() returns empty window if it was not exists before.
> getWindow()...isInitialized() is always true. All I need is to check if
> the window "win1" exists, and if it's not, create it. Thank you.
> Igal (User:IKhitron)

There doesn't seem to be a good way to do it.

If you really wanted to, you could do it like this:

function isWindowRegistered( winManager, name ) {
if ( winManager.windows[ name ] ) {
return true;
}
if ( winManager.factory && winManager.factory.lookup( name ) ) {
return true;
}
return false;
}

However, these are not public APIs, and so I can't promise that they
won't stop working in the future (or that you'll be notified when that
happens).

I am curious about what you need this for, perhaps there's an easier way
to achieve it. Can you share what you're building?

--
Bartosz Dziewoński
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