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Show / Hide Dialog Automatic child selection [message #1766726]

Mon, 26 June 2017 14:10

Hendrik Buender

Messages: 13
Registered: January 2017
Location: Bonn

Junior Member

Imagine a class diagram on which some classes with their attributes and operations are shown. When you do a right click on the diagram you can select "Show/Hide" from the menu. This will open a dialog with a tree viewer that lists all elements (and their children) shown on the diagram. In contrast to the usual Eclipse behavior, if you select/deselect a parent element not all its child elements are selected/deselected. Is that a design decision or a bug?

System Information:
- Eclipse Mars 2 (4.5.2)
- Sirius 4.1.2
- Xtext 2.11
- Windows 64, IntelCore I7-4700, 16GB RAM

1. Download sampleProject.zip, unzip and import into workspace
2. Start runtime
3. Download sampleRuntimeProject.zip, unzip and import into runtime workspace
4. Open /org.eclipse.xtext.example.domainmodel.sample/src/org/eclipse/xtext/example/domainmodel/sample/representation/representations.aird --> Company Entity Diagram
5. Right Click on the model and select "Show/Hide" from the menu.
6. Within the menu select or deselect and top-level element from the tree viewer ==> The child elements are not changed (selected/deselected) which IMHO is not the standard eclipse behavior.

Any help is much appreciated. I could also raise a bug if you like.

Cheers,

Hendrik

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Re: Show / Hide Dialog Automatic child selection [message #1766738 is a reply to message #1766726]

Mon, 26 June 2017 15:35

Laurent Fasani

Messages: 166
Registered: October 2014

Senior Member

Hello

I would say that it works as is.
For me, your scenario is not a blocking issue because, if you select only the root object as hidden, then the whole children are hidden too.
I understand nevertheless that you can consider the UI is misleading because the children are not selected as there are though hidden.

Regards
Laurent

Laurent Fasani - Obeo
Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: Show / Hide Dialog Automatic child selection [message #1767775 is a reply to message #1766738]

Tue, 11 July 2017 04:19

Hendrik Buender

Messages: 13
Registered: January 2017
Location: Bonn

Junior Member

Hi Laurent,

you are right, it works for hidding existing elements and their children. However, when I want to show a single child element I have to select the parent element and then deselect all the other child elements. With the treeviewer behavior I am used to, I could just deselect the parent which leads to all child elements being deselected. Afterwards, I just have to select the one child element that should be shown and all the parent elements (considering a deep hierarchy) become selected. Thereby, the UI becomes much more efficient. Would you consider changing the treeviewer behavior?

Thanks in advance,

Hendrik

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Re: Show / Hide Dialog Automatic child selection [message #1768673 is a reply to message #1767775]

Fri, 21 July 2017 08:41

Hendrik Buender

Messages: 13
Registered: January 2017
Location: Bonn

Junior Member

Hi Laurent,

do you have any thoughts on my suggestion? Would you consider opening a bug?

Thanks in advance

Hendrik

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Re: Show / Hide Dialog Automatic child selection [message #1768684 is a reply to message #1768673]

Fri, 21 July 2017 13:33

Laurent Fasani

Messages: 166
Registered: October 2014

Senior Member

Hello

Effectively the behavior is not really user friendly.
You can open a ticket as feature request. Potentially, we will re-qualify part of the behavior relative to your scenario to a new bug if it is the case.
https://bugs.eclipse.org/bugs/enter_bug.cgi?product=Sirius

Regards
Laurent

Laurent Fasani - Obeo
Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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