Way to optimize Object relation fields ?

[sevajol...@gmail.com]

Hi,
I'm a new user of Symfony2 Admin generator. It's very usefull !
I've search on the doc and internet but not found serious response about my question. What is the best way to optimize Objects relations fields ? An example:
i've in my backend administration of 'Group'. A group have 'Owner' (User).
In my forms (new, edit, filters) i can choose in select list who is the owner. But, with thousand Users it make a big and heavy list ^^
What is way to integrate an "ajax" field ? Or is it already coded ?
Thank's !
Bux.

[loostro]

Hi,

if you're useing DoctrineORM have a look at EntityPicker form type

see new documentation (its being rewritten so its not full, but this part is covered):

Documentation -> Form Extensions -> EntityPicker

https://github.com/symfony2admingenerator/AdmingeneratorGeneratorBundle/blob/master/Resources/doc/documentation.md#table-of-contents

Or direct link:

https://github.com/symfony2admingenerator/AdmingeneratorGeneratorBundle/blob/master/Resources/doc/form-extensions/entity-picker.md

Cheers :)

[B. Kausch]

How can I use some sort of entity picker with the new avocode form types... I really have no idea looking at the documentation: https://github.com/avocode/FormExtensions/blob/master/Resources/doc/documentation.md

[Piotr Gołębiewski]

Use afe_select2_entity  -> its an extension to the entity form type (default symfony) so it inherits all the options (see symfony doc http://symfony.com/doc/current/reference/forms/types/entity.html ) 

It also has new options, that are passed down to select2 javascript widget.. see select2 doc for the list of avaliable options: http://ivaynberg.github.io/select2/

So.. the basic idea is, entity form type expects (in POST) the unique identifier for the object. Eg. an ID. You can use the default entity form options, to create a dropdown list of ID's => NAME (useing query_builder and property options).

You can however, use some of the select2 options to load the data from another source (ajax callback).. the only thing you have to keep in mind, that the select's value sent by POST upon submiting the form, must be a uid for the object.

Pozdrawiam,

Piotr Gołębiewski

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AVOCODE Piotr Gołębiewski

Wojska Polskiego 49/20, 05-101 Nowy Dwór Mazowiecki

NIP: 524-26-09-204

2014-05-08 10:56 GMT+02:00 B. Kausch <benjami...@gmail.com>:

How can I use some sort of entity picker with the new avocode form types... I really have no idea looking at the documentation: https://github.com/avocode/FormExtensions/blob/master/Resources/doc/documentation.md

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[B. Kausch]

I try hard with this post: https://github.com/avocode/FormExtensions/issues/22

But there are so many things I can't get my head around. I want to have an inital selection, but how can I get the selected entity in the choices ( http://symfony.com/doc/current/reference/forms/types/entity.html#choices ) - I have no way of knowing the id of the related entity in your getFormOption function...

[B. Kausch]

Again: " I have no way of knowing the id of the related entity in your getFormOption function..." Any help?

[Piotr Gołębiewski]

Ile give a new example when im back at home

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[Piotr Gołębiewski]

​Hi,

you must modify the formType (eg. EditType, NewType) and in the buildForm method you can 

$myObject = $builder->getData();

since you'll be modifying the formType anway -> you can set field options directly in the buildForm OR you can pass this to your getFormOptions method