How to generate a link to an instance?

[Tim Smith]

Hi,

I am using the EDG SPARQL endpoint to provide data to a graph visualization engine.  Within that application, I would like for a user to be able to select a node or edge of the graph and click a link that will open the corresponding instance, etc... in EDG.  Thus, part of the data I need to pull via the SPARQL endpoint is a "deep link" to the specific object.  I want to be able to generate this link at runtime for everything in EDG.  I cannot assert the link because EDG and Explorer run on different servers so there can be no hard-coding of server names, ports, etc...

Is there a function in EDG that will create such a deep link?  If not, what is the best way to get access to the server name, the port and graph for all classes, properties and intances?  Here is an example deep link from the Northwind Data Asset example running in EDG Studio.

http://localhost:8084/tbl/northwind.editor?resourceType=http%3A%2F%2Fedg.topbraid.solutions%2Fmodel%2FDataAsset#urn:x-evn-master:northwind%2FCOL_NORTHWIND.DBO%252EALPHABETICAL%2520LIST%2520OF%2520PRODUCTS.CATEGORYNAME

Thanks in advance for your help,

Tim

[Holger Knublauch]

TopBraid doesn't know at which URL its server can be accessed from the outside. You would need to tell this to the application that creates the links, or store such a URL as a property in EDG which your external app could then query. There is for example a field "Explorer Configuration > Editor Server" where you could enter the absolute base URL and query it as value of cfg:editorServer using

BIND (smf:configParam('editorServer') AS ?url)

The relative URL of the resource in its surrounding editor can be produced using

BIND (teamwork:editorLink(<urn:x-evn-master:northwind>, ?resource) AS ?link) 

Concat both and you'd have a suitable URL for deep links.

HTH

Holger

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[Tim Smith]

Hi Holger,

This is very helpful!  Thank you.  

An additional use case I am working against is to build HTML strings that become contents of a table cell.  These strings will contain raw text and multiple links to resources.  The table is displayed in EDG.  Will teamwork:editorLink create a suitable link for this use?  

Tim

[Holger Knublauch]

Yes, within EDG you should be able to use teamwork:editorLink with relative URLs. Parts of EDG use that function internally.

Holger

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