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| Topic Change fields in an Address | 8420 Views | |
Change fields in an Address
9 November 2011 at 5:07pmHi
Can you please advise the best method to change the fields in the SilverCartAddress class (Changing existing fields, adding new fields) in a way that is maintainable between Silvercart updates. I would rather avoid directly changing the core Silvercart classes if possible.
Many thanks
Jason
Re: Change fields in an Address
9 November 2011 at 5:28pmHello Jason,
to add new fields to SilvercartAddress you should use the decorator pattern.
Implement the decorator like this:
<?php
class MySilvercartAddressDecorator extends DataObjectDecorator {
/**
* Additional statics for the decorated DataObject.
*
* @return array
*/
public function extraStatics() {
return array(
'db' => array(
'MyNewDbField_1' => 'VarChar(64)',
'MyNewDbField_2' => 'Int(16)',
),
);
}
}
Then you have to add the extension to SilvercartAddress. Do this in your _config.php (e.g. mysite/_config.php) by adding the following line:
Object::add_extension('SilvercartAddress', 'MySilvercartAddressDecorator');
After that you have to do a /dev/build/?flush=all on your installation. Then your new DB fields are generated.
You can find SilverStripes DataObjectDecorator documentation here for more information about this pattern.
I don't really understand what you want to change on existing fields. Could you explain?
Cheers,
Sebastian
Re: Change fields in an Address
9 November 2011 at 5:33pmThanks for the quick reply
One question with that approach, if I remove a field using the updateCMSFields method will this be reflected in the front end somehow?
Also are additions and removals of fields at this level reflected automatically through the system, for things like the checkout, order forms, pdf invoices etc.
Re: Change fields in an Address
9 November 2011 at 6:47pmHello Jason,
the updateCMSFields method won't remove a field out of the front end. To remove a field out of a form you have to use an own form template.
For example you can copy the file silvercart/templates/Layout/SilvercartAddAddressForm.ss into your project folder, remove the field and run a ?flush=all.
To remove or add a form field out of/into an existing form (PHP based) is a little bit harder. You have to write a new CustomHtmlForm (based on the one you want to extend) and register that form to the Page that shall display the form.
We will deploy an easier extendable version (Decorator based) of CustomHtmlForm within the next days.
Re: Change fields in an Address
10 November 2011 at 2:53pmHi Jason,
we just deployed a new version 1.3.1 of CustomHtmlForm which allows to easily add, remove or change fields of existing CustomHtmlForms. You can get it from bitbucket.
Try the documentation "How to extend a CustomHtmlForm" to get your new fields working.
Cheers,
Sebastian
Re: Change fields in an Address
10 November 2011 at 2:55pmThanks for that, I will give that a try and see how I get on.
Re: Change fields in an Address
14 November 2011 at 2:20pmJust thought I would post back, that the new version of customhtmlforms works a treat.
Thanks
Jason
Re: Change fields in an Address
14 November 2011 at 3:33pmHi Jason,
thanks for you kind words. It's good to read positive feedback as well :-)
Cheers
Ramon