Re: Auto-inspect result sets of 1
Re: Auto-inspect result sets of 1
- Subject: Re: Auto-inspect result sets of 1
- From: David Holt <email@hidden>
- Date: Tue, 12 Oct 2010 12:38:14 -0700
Hi David,
Are you putting this delegate in its own class?
David
On 2010-10-11, at 2:13 PM, David Avendasora wrote:
>
> On Oct 11, 2010, at 4:58 PM, David Avendasora wrote:
>
>>
>> On Oct 11, 2010, at 4:48 PM, Ramsey Gurley wrote:
>>
>>>
>>> On Oct 11, 2010, at 4:28 PM, David Avendasora wrote:
>>>
>>>> Hey Ramsey,
>>>>
>>>> I'm using the branch delegate in other places where the user is given a choice of what the next page should be, but I thought that since I'm figuring it out on-the-fly during the request that nextPageDelegate was the way to go. I've revised my NPD and here's what it looks like now:
>>>>
>>>> public WOComponent nextPage(WOComponent sender) {
>>>> WOComponent nextPage;
>>>> if (((ERD2WQueryPage) sender).queryDataSource()
>>>> .fetchObjects()
>>>> .count() == 1) {
>>>> InspectPageInterface ipi = D2W.factory().inspectPageForEntityNamed(Student.ENTITY_NAME, sender.session());
>>>> ((ERD2WInspectPage) ipi).setObject((Student) ((ERD2WQueryPage) sender).queryDataSource().fetchObjects().lastObject());
>>>
>>> You may want to consider getting your object first, then using object.entityName() in your factory method to make this more generally reusable.
>>
>> See, now that's just genius. This can be a delegate that works for any EO, not just Student. Brilliant!
>
> One rule:
>
> 100 : pageConfiguration like 'Query*' => nextPageDelegate = com.my.application.delegates.QueryToListOrInspectNextPageDelegate [er.directtoweb.ERDDelayedObjectCreationAssignment]
>
> Applies this logic to all searches, for any Entity.
>
> D2W is awesome!
>
> Dave
>
>
>>
>>>> nextPage = (WOComponent) ipi;
>>>> } else {
>>>> nextPage = ((ERD2WQueryPage) sender).nextPage();
>>>
>>> Does that last line work? I would have thought the logic in your original would be required.
>>
>> Yep! Works great. :-) When I wrote it I was worried that it would end up in an endless loop with sender.nextPage() simply calling this delegate, but it works perfectly. Maybe I'm just lucky.
>>
>> Dave
>>
>>>
>>> Ramsey
>>>
>>>> }
>>>> return nextPage;
>>>> }
>>>>
>>>>
>>>> Dave
>>>>
>>>> On Oct 11, 2010, at 9:55 AM, Ramsey Gurley wrote:
>>>>
>>>>> Looks good to me Dave. I think any "better" way than something that works will be a matter of opinion (^_^) Personally I like branch delegates, but in this case, the next page delegate is only called by the queryAction. So you know the call to next page comes from the find button.
>>>>>
>>>>> Ramsey
>>>>>
>>>>> On Oct 11, 2010, at 6:57 AM, David Avendasora wrote:
>>>>>
>>>>>> Okay, after a nights sleep, I got it working, but how I did it seems hackish (shocking, I know). Is the nextPage() method below from my delegate the best way to do this?
>>>>>>
>>>>>> public WOComponent nextPage(WOComponent sender) {
>>>>>> WOComponent nextPage;
>>>>>> if (((ERD2WQueryPage) sender).queryDataSource()
>>>>>> .fetchObjects()
>>>>>> .count() == 1) {
>>>>>> InspectPageInterface ipi = D2W.factory()
>>>>>> .inspectPageForEntityNamed(Student.ENTITY_NAME,
>>>>>> sender.session());
>>>>>> ((ERD2WInspectPage) ipi).setObject((EOEnterpriseObject) ((ERD2WQueryPage) sender).queryDataSource()
>>>>>> .fetchObjects()
>>>>>> .lastObject());
>>>>>> nextPage = (WOComponent) ipi;
>>>>>> } else {
>>>>>> ListPageInterface lpi = D2W.factory()
>>>>>> .listPageForEntityNamed(Student.ENTITY_NAME,
>>>>>> sender.session());
>>>>>> ((ERD2WListPage) lpi).setDataSource(((ERD2WQueryPage) sender).queryDataSource());
>>>>>> nextPage = (WOComponent) lpi;
>>>>>>
>>>>>> }
>>>>>> return nextPage;
>>>>>> }
>>>>>>
>>>>>> On Oct 10, 2010, at 8:39 PM, David Avendasora wrote:
>>>>>>
>>>>>>> Hi All,
>>>>>>>
>>>>>>> When a user performs a query, if the results contain exactly one object I want to return an Inspect page for that object instead of a List page.
>>>>>>>
>>>>>>> I assume I'm going to want to implement a NextPageDelegate, but I'm not sure how to do that. I've looked around but I can't seem to find a good example. Does anyone have an example NextPageDelegate that I can use as a starting point?
>>>>>>>
>>>>>>> I promise to create a Wiki page documenting how to do this for future mes.
>>>>>>>
>>>>>>> Thanks!
>>>>>>>
>>>>>>> Dave _______________________________________________
>>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>>> Webobjects-dev mailing list (email@hidden)
>>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>>
>>>>>>> This email sent to email@hidden
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>> Webobjects-dev mailing list (email@hidden)
>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>
>>>>>> This email sent to email@hidden
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Webobjects-dev mailing list (email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>>
>> This email sent to email@hidden
>>
>>
>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Webobjects-dev mailing list (email@hidden)
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden