Re: Question about ERAttachment.
Re: Question about ERAttachment.
- Subject: Re: Question about ERAttachment.
- From: Mike Schrag <email@hidden>
- Date: Tue, 16 Feb 2010 17:41:25 -0500
keep questions on the list, please
if you set the scale factor on the attachment upload, it will scale it permanently. if you set the scale on the viewer, it will just do html scaling (and send the full sized version) -- it does _not_ thumbnail it on the fly.
ms
On Feb 16, 2010, at 5:13 PM, Johnny Miller wrote:
> OK, it's sinking in slowly :p
>
> I think everything is set up on the database and model side correctly.
>
> Sorry to inundate you with questions but...
>
> An overview question. Once the original is stored can I use ERAttachmentViewer to create scaled versions of the original? If it is scaling does it create a permanent copy of the scaled version? Or does it create a new scaled image every time it is requested?
>
> Thanks again,
>
> Johnny
>
>
>
> On Feb 16, 2010, at 11:46 AM, Mike Schrag wrote:
>
>> the only thing ERAttachment needs is the original two tables (primary one and the one for blob data). on your side, you would need the foreign key id ... you can extend ERAttachmentMigration to do that.
>>
>> ms
>>
>> On Feb 16, 2010, at 4:35 PM, Johnny Miller wrote:
>>
>>> WOW. That's really a new paradigm from the way I've been doing things.
>>>
>>> So, to get started I'm going to keep things simple and just use the to-one attachment.
>>>
>>> I'm also using the file system storage type with the web server directly serving the files.
>>>
>>> In that set up will anything be created in the database when I migrate on start up? Right now, I'm not seeing anything besides the _dbupdater table.
>>>
>>> Thanks again,
>>>
>>> Johnny
>>>
>>>
>>>
>>>
>>> On Feb 16, 2010, at 11:22 AM, Mike Schrag wrote:
>>>
>>>> whether you choose a to-one or a many-to-many depends on whether you want one attachment or many ... if you have company.logo it's a to-one to attachment, with no inverse relationship. if it's gallery.photos then it's a many-to-many with no inverse relationship from attachment.
>>>>
>>>> On Feb 16, 2010, at 4:13 PM, Johnny Miller wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I've been using ERAttachment's image processor but on a new project I'm going to try out using the entire framework i.e. all the automagic file handling wonderment.
>>>>>
>>>>> A question on modeling the attachments.
>>>>>
>>>>> When you create the relationship between the entities' key and ERAttachment is that an optional one-to-one relationship or is it an optional one-to-many from your model to erattachment?
>>>>>
>>>>> Thanks in advance,
>>>>>
>>>>> Johnny
>>>>>
>>>>>
>>>>> Johnny Miller
>>>>> Kahalawai Media Corp
>>>>> http://www.kahalawai.com
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>
>>>
>>> Johnny Miller
>>> Kahalawai Media Corp
>>> http://www.kahalawai.com
>>>
>>>
>>>
>>
>>
>
> Johnny Miller
> Kahalawai Media Corp
> http://www.kahalawai.com
>
>
>
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