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Re: D2W displayPropertyKeys indirection
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Re: D2W displayPropertyKeys indirection


  • Subject: Re: D2W displayPropertyKeys indirection
  • From: Theodore Petrosky <email@hidden>
  • Date: Tue, 25 Jun 2013 11:52:24 -0400

but of course in this case, session.theReportKeys is an NSDictionary or NSSet, no? Something that has keys, and values. Not just a string

Ted




On Jun 25, 2013, at 11:19 AM, James Cicenia <email@hidden> wrote:


I don't know but this worked for me:

100 : pageConfiguration like 'List*' => displayPropertyKeys = "session.theReportKeys" [ERDDelayedKeyValueAssignment]

On Jun 25, 2013, at 10:07 AM, Markus Ruggiero <email@hidden> wrote:


On 25.06.2013, at 09:37, Theodore Petrosky <email@hidden> wrote:

You are trying to override the propertyKeys that the context has for  list or edit page?


Yes, that's exactly what I want. 
Background:
On a D2WQueryPage I have one custom query property. The user can create quite a complex query based on (almost) random selection of query criteria. I have everything working, query does what it should do and finds the correct resulting objects. Then these are displayed with a standard D2WListPage. The customer wants the displayPropertyKeys to reflect the query criteria. There are way too many combinations so I cannot just have a couple of rule based ready-made displayPropertyKey arrays. So my  idea was to build the array dynamically inside the custom property level component, because that is the only place where I know exactly what properties should be in the resulting list page. Of course I could create my own custom ListPage and build the list in code, but I always think D2W and the computer are being "payed" to work thus they should do the work, not me!

Thanks for any help
---markus---


Ted

On Jun 25, 2013, at 7:57 AM, Markus Ruggiero <email@hidden> wrote:

Folks,

I need to have a dynamically populated displayPropertyKeys for a list page. I was trying a couple things and eventually got the following tip. Unfortunately it seems not to work

In Session.java

private NSArray<String> listElectronicDocumentDisplayPropertyKeys;

public void setListElectronicDocumentDisplayPropertyKeys(NSArray<String> keyArray) {
    listElectronicDocumentDisplayPropertyKeys = keyArray
}

public NSArray<String> listElectronicDocumentDisplayPropertyKeys() {
    return listElectronicDocumentDisplayPropertyKeys;
}


With the following rule:

100 : pageConfiguration = 'ListElectronicDocument' => displayPropertyKeys = session.listElectronicDocumentDisplayPropertyKeys  [com.webobjects.directtoweb.DelayedKeyValueAssignment]

All I get is a nice crash :-(

Jun 25 10:21:46 ec_admin[12000] DEBUG NSLog  - ****** fire :    100 : (pageConfiguration = 'ListElectronicDocument') => displayPropertyKeys = session.listElectronicDocumentDisplayPropertyKeys [com.webobjects.directtoweb.DelayedKeyValueAssignment] (100501)
Jun 25 10:21:46 ec_admin[12000] WARN  NSLog  - <er.extensions.appserver.ERXComponentRequestHandler>: Exception occurred while handling request:
java.lang.ClassCastException: java.lang.String cannot be cast to com.webobjects.foundation.NSArray
[2013-6-25 10:21:46 CEST] <WorkerThread12> java.lang.ClassCastException: java.lang.String cannot be cast to com.webobjects.foundation.NSArray
at er.directtoweb.pages.ERD2WListPage.sortOrderings(ERD2WListPage.java:432)
at er.directtoweb.pages.ERD2WListPage.setupPhase(ERD2WListPage.java:563)
at er.directtoweb.pages.ERD2WListPage.appendToResponse(ERD2WListPage.java:498)
at com.webobjects.appserver.WOSession.appendToResponse(WOSession.java:1385)
at er.extensions.appserver.ERXSession.appendToResponse(ERXSession.java:571)
at com.webobjects.appserver.WOApplication.appendToResponse(WOApplication.java:1794)
at er.extensions.appserver.ERXApplication.appendToResponse(ERXApplication.java:2005)
at er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedPage(ERXComponentRequestHandler.java:190)
at er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedSession(ERXComponentRequestHandler.java:235)
at er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedApplication(ERXComponentRequestHandler.java:268)
at er.extensions.appserver.ERXComponentRequestHandler._handleRequest(ERXComponentRequestHandler.java:302)
at er.extensions.appserver.ERXComponentRequestHandler.handleRequest(ERXComponentRequestHandler.java:375)
at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:2109)
at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:2074)
at com.dsm.ec_admin.Application.dispatchRequest(Application.java:271)
at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
at java.lang.Thread.run(Thread.java:680)

I can sort of understand what is going on: D2W thinks that session.listElectronicDocumentDisplayPropertyKeys is a string instead of evaluating it. But isn't the rule system supposed to recursively resolve this?

Any other idea? Or would I have to meddle with ER2DWListPage.java?

Thanks for any quick answer

---markus---




Markus Ruggiero
email@hidden
Check out the new book about Project Wonder and WebObjects on http://learningthewonders.com/





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  • Follow-Ups:
    • Re: D2W displayPropertyKeys indirection
      • From: James Cicenia <email@hidden>
References: 
 >D2W displayPropertyKeys indirection (From: Markus Ruggiero <email@hidden>)
 >Re: D2W displayPropertyKeys indirection (From: Theodore Petrosky <email@hidden>)
 >Re: D2W displayPropertyKeys indirection (From: Markus Ruggiero <email@hidden>)
 >Re: D2W displayPropertyKeys indirection (From: James Cicenia <email@hidden>)

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