Re: [udig-devel] Modifying zoom/selection behavior(s)

["Jeffrey Bergamini" <jbergami@xxxxxxxxxxx>]

Thank you Jesse. That works when I resend the command or refresh the
map. Is there any way to call a re-render sort of op that doesn't
actually refresh the map data, but instead just redraws the layers?

Jeff

On 3/31/06, Jesse Eichar <jeichar@xxxxxxxxxxxxxxx> wrote:
> Draw Commands "live" until their isValid method returns false.  So
> when you want to turn off/kill the command call setValid(false).  Or
> override the isValid method to know when it is no longer needed.
>
> Jesse
>
> On 30-Mar-06, at 1:03 AM, Jeffrey Bergamini wrote:
>
> > Hi again everybody,
> >
> > The plugin development is going well (much of it thanks to your help),
> > but now I'm running into another lack-of-knowledge problem:
> >
> > I want to display a toggleable grid over the current map that
> > illustrates the available tile boundaries as a navigation guide. I've
> > been able to get a Ctrl-Click to display the lines through calls to
> > getContext().sendASyncCommand((getContext().getDrawFactory
> > ().createDrawShapeCommand(...)),
> > like on the net.refractions.udig.tutorials.tool.coordinate tutorial.
> > However, these lines seem to live forever on the map, and I don't see
> > any obvious way of clearing them and/or temporarily disabling them.
> >
> > Any suggestions? I could conceivably generate a grid layer on the WMS
> > proxy, but it would make more sense in some ways to do it through the
> > plugin.
> >
> > Jeff