Eclipse Community Forums: Standard Widget Toolkit (SWT)

Help

Home

Home » Eclipse Projects » Standard Widget Toolkit (SWT) » SWT List Selection

Show: Today's Messages :: Show Polls :: Message Navigator

SWT List Selection [message #629001]

Sat, 25 September 2010 15:51

larsk
Messages: 22
Registered: October 2009
Location: Sweden

Junior Member

I have added a SelectionListener to a SWT List to know when the selection has changed.
But how do I know what was selected before this new selection? Is there any way to get that information?

Edit: If figured it out. Don't know why I didn't figure it out from the beginning. I just stored the List's selection to another variable that I checked the next time I selected the List.

[Updated on: Sat, 25 September 2010 16:21]

Report message to a moderator

Re: SWT List Selection [message #629087 is a reply to message #629001]

Mon, 27 September 2010 03:15

Daniel KrÃ¼gler
Messages: 853
Registered: July 2009

Senior Member

On 25.09.2010 21:51, larsk wrote:
> I have added a SelectionListener to a SWT List to know when the
> selection has changed.
> But how do I know what was selected before this new selection? Is there
> any way to get that information?

You have to administrate a selection history by yourself.
Why do you not query the initial selection after the creation
of the widget? Typically you will also intentionally set a
specific initial selection, this is the right place where you
could start with your history.

HTH & Greetings from Bremen,

Daniel Krügler

Report message to a moderator

Previous Topic:	Install SWT on Windows 7 64-bit Machine
Next Topic:	[resolved] NullPointerException with Button.getSelection()

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

]

Current Time: Wed May 22 09:09:28 EDT 2013