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How to copy an element while keeping its layout? [message #1833932]

Wed, 28 October 2020 05:30

Eclipse User

Hi,

I am using Sirius to build an Eclipse RCP Application, and there's a need that my user wants to copy an element while keeping the element's owned sub-elements' layout.

For example, the following figure shows the problem I am facing. Chip A has a device A1 with two ports( Port 1 and Port 2), and the ports are both side of the device. When I hit Ctrl+C on Device A1 at left side of the chip and hit Ctrl+V pasting it to the right side, the copied device's ports' position are reset. Both ports are on the left side(which is the default position) on the copied device.

index.php/fa/39156/0/

Is there any method I can do to make the copied element keep the original layout? I search the forum and stackoverflow but found no solution. Any advice would be appreciated.

Thanks for you help very much!

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Re: How to copy an element while keeping its layout? [message #1833988 is a reply to message #1833932]

Thu, 29 October 2020 10:14

Eclipse User

Hi.

This is not currently supported. It is much more complex that it may look given the very open-ended nature of Sirius modelers.

It might be possible to create your own custom tool, say "Duplicate Element" with a more constrained semantic, add it as an entry in the context menu (see https://www.eclipse.org/sirius/doc/specifier/diagrams/Diagrams.html#popup_menu) and implement the tool through a Java service which duplicates both the graphical elements with their positions/sizes *and* the underlying semantic elements (adjusting the references between the copies of course).
It seems possible, but non trivial and requires some knowledge of the internal of Sirius (how the semantic models, the Sirius diagram elements and the GMF views relate to each other).

Regards,
Pierre-Charles

Re: How to copy an element while keeping its layout? [message #1834005 is a reply to message #1833988]

Thu, 29 October 2020 22:45

Eclipse User

Thanks, it seems a very hard work. Would you tell me where I can get some study materials for this topic? Or any internal APIs that I might use? Thanks for your help very much!

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