Re: Auto-inspect result sets of 1
Re: Auto-inspect result sets of 1
- Subject: Re: Auto-inspect result sets of 1
- From: David Avendasora <email@hidden>
- Date: Mon, 11 Oct 2010 16:58:18 -0400
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!
>> 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 _______________________________________________
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>>>>
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>>>
>>
>>
>
>
>
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