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ABC: Locators for additional sort fields 1999-04-02 -- Jim Kane Newsgroups: comp.lang.clarion
> The quaestion is that how can I assign a locator on this 'virtual
> key' - if the view sorted in that order it means that could be a locator.
> Any ideas?
Here is an example of adding a locator for an additional sort field
(acc:ar_id) that is the 2nd field in the order (one keyfield then the
additional sort field):
!data
MyLoc IncrementalLocatorClass
!Thiswindow.init after Brw1.addsortorder for the order to use the locator
for
BRW1.AddSortOrder(BRW1::Sort0:StepClass,job:SCHEDX)
BRW1.AddRange(job:DPT_ID,Loc:dpt_id)
BRW1.AppendOrder('acc:ar_id')
BRW1.SetFilter('(JOB:SCH_DATE=LOC:DATE)')
BRW1.AddField(acc:AR_ID,BRW1.Q.acc:AR_ID)
BRW1.ADDLOCATOR(MYLOC) !!!
MYLOC.INIT(?LOC:ar_id,ACC:AR_ID,1,BRW1)!!!
BRW1.GetFreeElementName PROCEDURE()
ReturnValue ANY
CODE
rETURNVALUE &= ACC:AR_ID !!!
RETURN(RETURNVALUE) !!!
ReturnValue = PARENT.GetFreeElementName()
BRW1.GetFreeElementPosition PROCEDURE()
ReturnValue BYTE,AUTO
CODE
RETURN(2) !!!additional sort field is 2nd in prop:order
ReturnValue = PARENT.GetFreeElementPosition()
BRW1.SetSort PROCEDURE(BYTE OrderNumber)
ReturnValue BYTE,AUTO
CODE
ReturnValue = PARENT.SetSort(OrderNumber)
If ~firsttime1# and ordernumber=1
self.sort.freeelement &=acc:ar_id
firsttime1#=1
put(self.sort)
end
RETURN ReturnValue
HTH,
---
Jim Kane
Today is November 21, 2024, 3:58 am This article has been viewed 35351 times. Google search has resulted in 10 hits on this article since January 25, 2004.
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