Re: Direct2Web ordered to-many relationship
Re: Direct2Web ordered to-many relationship
- Subject: Re: Direct2Web ordered to-many relationship
- From: Ramsey Gurley <email@hidden>
- Date: Thu, 05 Jul 2012 08:29:32 -0700
Oh, just noticed the up/down button part of the question. For that, you'll probably need to use custom ERDActionButton components or an ERDControllerButton.
Ramsey
On Jul 5, 2012, at 8:25 AM, Ramsey Gurley wrote:
> On your Recipe entity class add:
>
> public void addToSteps(Step eo) {
> //Set step value…
> includeObjectIntoPropertyWithKey(eo, "steps");
> }
>
> public void removeFromSteps(Step eo) {
> //Update step values…
> excludeObjectFromPropertyWithKey(eo, "steps");
> }
>
> Ramsey
>
> On Jul 5, 2012, at 2:14 AM, Amy Worrall wrote:
>
>> I have a Recipe which can have any number of Steps. Each Step can only
>> be attached to a single recipe. The Steps have an order, which is
>> stored in a stepOrder property on the Step itself.
>>
>> I'd like the user to only interact with Steps in the context of a
>> Recipe, so I'll make it display the steps as an inline edit
>> relationship when editing a Recipe.
>>
>> The question is how best to deal with the ordering? Ideally I'd like
>> these things to happen:
>>
>> * Steps are always numbered within a recipe 1, 2, 3, …
>> * The user can't enter step numbers directly. Creating a new step adds
>> it to the end of the list with the appropriate number.
>> * Step numbers are displayed to the user, as read only.
>> * By each step is an "Up" and a "Down" button. Press "Up" and it swaps
>> the step in question with the one above it, changing the numbers as
>> appropriate.
>> * If a step is deleted, all the numbers of the remaining steps shuffle
>> up to remain continuous.
>>
>> Is there any built in D2W-friendly way to work with an ordering like this?
>>
>> Thanks,
>>
>> Amy
>>
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