Sparx Systems Forum

Enterprise Architect => Automation Interface, Add-Ins and Tools => Topic started by: lopata on March 29, 2004, 05:36:29 am

Title: Adding existing elements to a diagram
Post by: lopata on March 29, 2004, 05:36:29 am

Hello folks!
I would like to perform a simple task. I have a package with elements which I'd like to copy to a newly created or an existing diagram.
First I thought this would be a simple task - the documentation includes an example where a similiar task is performed, I'm quoting:

Add and Manage Diagrams
     
public Object  

 
''an example of how to create a diagram and add an element to it  

''note the optional use of element rectangle setting using  

''left,right,top and bottom dimensions in AddNew call  

 

Sub DiagramLifeCycle  

 

    Dim diagram as object  

    Dim v as object  

    Dim o as object  

    Dim package as object  

     

    Dim idx as Integer  

    Dim idx2 as integer  

     

    package = m_Repository.GetPackageByID(5)  

     

    diagram = package.Diagrams.AddNew("Logical Diagram","Logical")  

    If not diagram.Update Then  

        Console.WriteLine(diagram.GetLastError)  

    End if  

     

    diagram.Notes = "Hello there this is a test"  

    diagram.update()  

     

    o = package.Elements.AddNew("ReferenceType","Class")  

    o.Update  

     

    '' add element to diagram - supply optional rectangle co-ordinates  

 

    v = diagram.DiagramObjects.AddNew("l=200;r=400;t=200;b=600;","")  

    v.ElementID = o.ElementID  

    v.Update  

     

    Console.WriteLine(diagram.DiagramID)  

     

 

End Sub  
-- end of example

 
This looks very promising, however to my surprise this example is simply wrong! The attribute ElementID of the Element interface is read-only, which means that the assigment from the example will not work!

So, my question is, how to add an existing element from a package to a diagram? Do I have to deepcopy all the writeable attributes and collections from the package-element to a newly cerated diagram-element? Would it even work this way?

Thanks for help.

Hynek Cihlar
A && L Soft
www.alsoft.cz
www.flexlanguage.com

Title: Re: Adding existing elements to a diagram
Post by: Bruno.Cossi on March 29, 2004, 05:40:28 am

Hi,

the example actually works. For diagram objects, ElementID is not read only.

Bruno

Title: Re: Adding existing elements to a diagram
Post by: lopata on March 29, 2004, 09:59:17 pm

I see! I was casting it to an Element!
Thanks for help.

Hynek Cihlar
A && L Soft www.alsoft.cz www.flexlanguage.com

Title: Re: Adding existing elements to a diagram
Post by: Bruno.Cossi on March 29, 2004, 10:01:47 pm

Not a problem :-) It gets a little confusing.

Bruno