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Control order of table lines when sublines are reused [message #1836809]

Thu, 14 January 2021 12:44

Felix Dorner

Messages: 392
Registered: December 2015

Senior Member

Hi, I have a simple recursive tree structure, think folders and files.

I want to show this in a sirius table, so that a folder shows its files first, and then its subfolders.

I have a linemapping for folder, and a linemapping for file. In folder, I add the folder mapping to 'reused sublines', so that nested folders/files are displayed in the table. However, I now no longer have control over which elements come first for a given folder. It looks like sirius always renders the reused lines first, and then the explicitly modeled lines, and I want it the other way round in this case. Is there a trick I can use? A viewer sorter? something?

Thanks,
Felix

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Re: Control order of table lines when sublines are reused [message #1836907 is a reply to message #1836809]

Mon, 18 January 2021 13:27

Steve Monnier

Messages: 572
Registered: May 2011

Senior Member

Hi Felix,

I tested (see sample in attachment) with EPackage/Eclass to reproduce the idea. On my EPackage linemapping, for the "Reused sub line" field, I added the EPackage linemapping and then the EClass linemapping. On my table, sub levels are displayed with EPackage first and EClass afterward.
Does this answer your issue or I missed something?

Best regards,
Steve

Attachment: table.sample.zip
(Size: 2.89KB, Downloaded 51 times)

Steve Monnier - Obeo Canada
Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: Control order of table lines when sublines are reused [message #1837106 is a reply to message #1836907]

Fri, 22 January 2021 09:05

Felix Dorner

Messages: 392
Registered: December 2015

Senior Member

Exactly the same issue. What if you want the EClasses first and then the packages? I think for full control, we'd need either to have an element "ReusedLineMapping", so we can put it in a list together with the other "real" linemappings" to control the ordering, or maybe have the ability to sort elements with the help of a code contribution, like a viewer sorter.

[Updated on: Fri, 22 January 2021 09:18]

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Re: Control order of table lines when sublines are reused [message #1837136 is a reply to message #1837106]

Fri, 22 January 2021 14:56

Steve Monnier

Messages: 572
Registered: May 2011

Senior Member

Hello,

I replied too quickly, what I meant is, if I add the mapping on EClass, before the mapping on EPackage, then I do have the EClasses displayed first.

EPackage first:
index.php/fa/39803/0/

EClass first:
index.php/fa/39802/0/

I only used the "Reused Sub Lines" field, not the Reusing in Mappings one (But adding the mapping on EPackage to "Reused Sub Lines"did also add it to "Reused in Mappings".

Best regards,
Steve

Attachment: EClassEpackage.png
(Size: 3.30KB, Downloaded 115 times)
Attachment: EPackageEClass.png
(Size: 3.58KB, Downloaded 115 times)

Steve Monnier - Obeo Canada
Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: Control order of table lines when sublines are reused [message #1837218 is a reply to message #1837136]

Mon, 25 January 2021 10:54

Felix Dorner

Messages: 392
Registered: December 2015

Senior Member

Ok, so you have both linemappings as direct children of the table and then reuse both in the folder mapping, and then you can control the order via the order of elements in reused submappings.

I myself created the folder mapping as a direct child of the root, and a file mapping as a child of the folder mapping. I then set the folder mapping to reuse itself. And here I can't control the order any more. Looking at how everything works in code I found that LineMappingSpec.getAllSublines() is written so that first the owned sublines and then the reused sublines are shown:

https://github.com/pcdavid/org.eclipse.sirius/blob/ce6a436eb21c004d35011fd5cf66b070a920f5dd/plugins/org.eclipse.sirius.table/src/org/eclipse/sirius/table/business/internal/metamodel/description/spec/LineMappingSpec.java#L38

That's what I mean with there's way of controlling the order. I might get around that with your "trick" though.

Attachment: treeorder.png
(Size: 11.03KB, Downloaded 36 times)

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