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Avoiding multiple representations of an element in diagram [message #1830751]

Mon, 03 August 2020 06:40

Avi Shaked

Messages: 122
Registered: October 2019

Senior Member

Hi,

I would appreciate your advice.
I have a diagram with multiple layers. There is a default layer presenting elements based on their type and a specific property. For example, it presents all elements of type Box provided their property "isWrapped" is set to 'true'.
I have another layer - "all elements" - that is meant to show all the elements of type Box (regardless of their set property).
When I activate the "all elements" layers, the Box elements with true "IsWrapped" appear twice. Is there a mechanism to avoid this? (other than checking the property of the elements in the "all elements" layer before creation)

Thanks,
Avi

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Re: Avoiding multiple representations of an element in diagram [message #1831077 is a reply to message #1830751]

Tue, 11 August 2020 09:29

souhaila serbout

Messages: 3
Registered: July 2020

Junior Member

Hi,
I think that the layers are meant to be used in a complementary way. Which means that it is normal to have duplicated representations when you aritivate both of the layers.
I suppose that the only solution to get the visualization you are searching for is to remove the elements of the default layer from the 'all elements' layer. And, when you want to visualize all the. elements, you just activate all the. layers.

Souhaila,

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Re: Avoiding multiple representations of an element in diagram [message #1831138 is a reply to message #1831077]

Wed, 12 August 2020 09:33

Avi Shaked

Messages: 122
Registered: October 2019

Senior Member

Thank you Souhaila.

I was actually trying to approach what you suggested (" remove the elements of the default layer"). Is there any easy way to do it? is there a query to filter out existing diagram elements? (for example, taking a set->select(x | x does not already appear in diagram)

Thanks,
Avi

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Re: Avoiding multiple representations of an element in diagram [message #1831756 is a reply to message #1831138]

Fri, 28 August 2020 07:56

Maxime Porhel

Messages: 503
Registered: July 2009
Location: Nantes, France

Senior Member

Hi Avi,

One way to have a possibility to display all elements or only the one corresponding to isWrapped=true would be to use filters: you might have a "all boxes" mapping on your default layer and then create a mapping based filter to handle the visibility of your elements. Then the user would use the filter tabbar item (the one next to the layer selection item) to select if he wants to enable a filter.

Another possibility would be to define a Wrapped Box mapping in the default layer (with the check on the wrapped attribute put in the semantic candidate expression) and all elements layer with a mapping import (same kind of mapping than the Wrapped Box mapping) referencing the Wrapped Box mapping which would have the semantic candidates expression without the wrapped attribute filter. Then Sirius will manage both mapping and will be able to keep the same diagram elements for "boxes" which corresponds to both layers. See https://www.eclipse.org/sirius/doc/specifier/diagrams/Diagrams.html#mapping_imports

Regards

Maxime Porhel - Obeo

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[Updated on: Fri, 28 August 2020 07:56]

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