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| Re: Feedback on connection anchors [message #76295 is a reply to message #76244] |
Tue, 22 April 2003 22:13  |
Eclipse User |
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Originally posted by: none.us.ibm.com
The best place is in your NodeEditPolicy.showFeedback(Request)
and eraseFeedback(..) methods.
If you figure has some helper API on it like "highlightAnchor(int index)",
then the implementation of that might call the repaint() method on the
figure (which triggers a paint(Graphics) ). You could also use the feedback
layer to place a highlight figure anywhere you want, including outside the
bounds of the node. This is useful if you want the highlight to be slightly
larger than the ?anchor.
"Bruno Grieder" <bgrieder@quadrem.com> wrote in message
news:b83rpa$672$1@rogue.oti.com...
> Hi,
>
> For a part that has multiple connection anchors, I would like to display
> feedback to the user (say higlight a small square in red) when the user
> is dragging the connection tool over an anchor location.
>
> Where is the best place to do that: in getSourceConnectionAnchor(Request
> request)/getTargetConnectionAnchor(Request request)?
>
> How do I - properly - generate the event to repaint the figure with the
> anchor highlighted?
>
> Many thanks
>
> Bruno
>
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