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Delete item from custom widget of property page with toolbar button [message #1786022]

Tue, 24 April 2018 09:16

Anton Poelzleitner

Messages: 1
Registered: April 2018

Junior Member

Hey all,

I have a question regarding the deletion of items in a custom widget (table) in the property pages.

The data model is quite simple I have actor objects (nodes in the diagram), which have [0...*] properties that I display in the property view of the actor. A property is a simple name - value pair.

To display these properties in the actors property page in a table, I followed the basic custom widget tutorial on your website, which works fine. For creation and deletion of properties I provide buttons in the toolbar of the property group. (I hope the screenshot illustrates this good enough: index.php/fa/32673/0/

)

Adding a new property from the toolbar works fine. But I am completely lost on how to delete a property (a selected line in the table) from the button in the toolbar. Is there any example or tutorial that I missed, or can someone put me in the right direction?

Thanks in advance,
Anton

Attachment: actorPropertyPage.png
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Re: Delete item from custom widget of property page with toolbar button [message #1786159 is a reply to message #1786022]

Thu, 26 April 2018 09:08

Florian Barbin

Messages: 270
Registered: August 2010

Senior Member

Hi Anton,

As the context of the widget is not visible from the toolbar actions, a first possibility could be keeping the widget selection in a singleton (probably not the cleanest solution) and retrieve it from a Java service called in the toolbar action expression.
An other possibility is to directly define those actions (add and delete) in your custom widget. In that way, you will have access to the selection.

Regards,

Florian

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