Symfony2 - creating adapter-dependent sub-forms
Thursday, 16 June 2016, 10:47
I think this is quite commonly needed feature - form structure that vary depending on some other field(s). The project, on which I'm currently working, is integrated with a lot of external APIs which usually require additional per-user options for each of them. It's a SEO tool and - to pick an example - provides various indexing services integration. Some of them require API key, some require login and password, some specify different URLs. So for each of them form structure can differ. Of course you could use some conditions to pick correct structure, but it's not enough - form needs to change together with selected option. There are some partial tutorials on the web how to alternate form based on events, but it's just one part of the solution - here is more complex one.