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Check if there is any PE at a given location in a Diagram? [message #898720]

Fri, 27 July 2012 10:56

Surya Kathayat

Messages: 44
Registered: July 2012

Member

Hi,

I have a reference to a Diagram and an AddContext.

I want to add a Node in the Diagram at the given location. But I want to make sure that no other element(node) is present in the diagram at the given location.

Is there any way/method available to check that?

Thank you.

BR
Surya

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Re: Check if there is any PE at a given location in a Diagram? [message #898727 is a reply to message #898720]

Fri, 27 July 2012 11:23

Matthias Gorning

Messages: 81
Registered: April 2010
Location: Germany

Member

You can ask the AddContext for the target container.

In your add feature you can do it in this way:

public boolean canAdd(IAddContext context) {
	if (context.getTargetContainer() instanceof Diagram){
		return true;
	}
	return false;
}

Currently there is no service in Graphiti with that you can ask the diagram whether there is a pictogram element at a given location or not.

BR,
Matthias

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