Re: ERAttachment... to-many and thumbs
Re: ERAttachment... to-many and thumbs
- Subject: Re: ERAttachment... to-many and thumbs
- From: David Holt <email@hidden>
- Date: Mon, 22 Nov 2010 12:49:24 -0800
On 2010-11-22, at 12:27 PM, Francesco Romano wrote:
> Ok.. I'll try this for the thumbnail..
>
> About D2W...
> I have something like
>
> Product <-->> ERAttachment for a photos property.
Are you actually going to display multiple photos for a Product?
Or are you displaying ...
one thumbnail
or
one big photo
or
one medium photo
David
> But.. i watched the tutorial of David and he created a many-to-many, so
> Product <-->> ProductPhotos <<--> ERAttachment
> Product has a "photos" property (so a NSArray of ERAttachment).
> But.. I don't know how to manage this with the rules, both on Inspect and on Edit/Create configuration.
> BTW: how can I select the first object of an array with a rule?
> What I want to do is:
> In ListProduct configuration I want to display the thumbnail
> In Edit/Create Product configuration I want to display all the photos in "maximum" size (i don't know yet the size.. I'll decide later)
>
> Thanks again for your answers
>
> Francesco
>
> On 22/nov/2010, at 21.05, Denis Frolov wrote:
>
>> Hi,
>>
>> In fact, the support for thumbnails is already there in the model of
>> ERAttachment. Note the "parentAttachment"/"childrenAttachments"
>> relationships and "thumbnail" attribute. Just create a new
>> ERAttachment for thumbnail and add it to "childrenAttachments" of
>> original attachment. You can use "thumbnail" attribute to specify the
>> size of the thumbnail in case you need multiple thumbnails of
>> different sizes. We use strings like "200x150" for "thumbnail"
>> attribute.
>>
>> As for the D2W, could you be more specific on what the problem is?
>>
>> Denis
>>
>> On Mon, Nov 22, 2010 at 7:49 PM, Francesco Romano
>> <email@hidden> wrote:
>>> Hi.
>>> I have two questions about ERAttachment.
>>> 1) Thumbnails are not available, yet, but.. what do I have to do to add support to them? I don't understand how to implement them "inside" erattachment
>>> 2) I'd like to have a many-to-many relationship between my entity and erattachment. I don't have problems in modeling, but.. how can I manage them using D2W and rules? (I'm creating two apps: an admin app using D2W Modern look, and a "front-end" app without D2W. I have problem in the D2W side...)
>>>
>>> Thank for any help
>>> Francesco Romano
>>>
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