Hi all. Sorry for my apparent ignorance, but I've just started using
Exhibit and don't quite know all the nuances involved. Basically, I
think I can make great use of the Exhibit/JSON combination with very
little effort, IF it can accommodate my existing nested-relations
data structures).
One restriction for me seems to be the property=>value in the JSON
structure and the way it is used in Exhibit expressions. I want to
ask the following: is there a way to get to the intervals of a
property-value which is actually a hash, not a simple value? Here''s
the HTML I am trying to get working, see a sample data structure below.
<div ex:role="view"
ex:viewClass="TabularView"
ex:columns=".Study.Title, .LocalID, .ParentSamplepanelID.LocalID, .Total
NumberOfIndividuals, .GeographicRegionInfo"
ex:columnLabels="Study, Panel name, Parent panel, No.
Individuals, Geographic region"
ex:columnFormats="text, text, text, text, number, text"
ex:sortColumn="1"
ex:sortAscending="false">
</div>
I am essentially trying to access the 'Title' attribute of the
'Study' item-of-sorts which is a hash embedded in the 'Samplepanel'
main item. When I do the above I get nothing in the first field of my
table. If I use just the '.Study' expression I get the 'Object
object' string which is presumably some generic stringified version
of the Study data structure?
I guess my question boils down to this: can Exhibit JSON data
structures for items be deeper than just simple property/value pairs
or not?
Best regards,
Mummi, Leicester
{
"types" : {
"Samplepanel" : {
"pluralLabel" : "Samplepanels"
}
},
"properties" : {
"Study" : {valueType : "item"}
},
"items" : [
{
"type" : "Samplepanel",
"label" : "PLCO_cohort",
"GeographicRegionInfo" : "NORTH AMERICA",
"id" : "1818",
"SamplingAgeRange" : "55-74",
"Composition" : "",
"LocalID" : "PLCO_cohort",
"TotalNumberOfIndividuals" : "155000",
"EthnicityInfo" : "White, non-Hispanic",
"DNAsArePooled" : "Undefined",
"NumberOfSexFemale" : "0",
"SamplepanelID" : "1818",
"NumberOfSexMale" : "0",
"Study" : {
"SubmissionDate" : "2007-03-15",
"StudyID" : "HGVST00003",
"Title" : "NCI CGEMS study of Prostate Cancer, Phase 1A"
},
"DNAsAreWGA" : "Undefined"
},
-----------------------------------------------------------
Gudmundur A. Thorisson, PhD student, Brookes lab
Department of Genetics
University of Leicester
University Road
Leicester, LE1 7RH, UK
E-mail: [EMAIL PROTECTED]
Tel: +44 (0)116 252-3055
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