> I'am trying to write a simple QCPlugin that open an OpenPanel and return the 
> path to an output port.

JeanMarc, you are already too talented! :)

> - (BOOL) startExecution:(id<QCPlugInContext>)context
> {
> 
>       if (self.inputOpenPanel==YES)
>               {
>               NSOpenPanel *myDearWindow =[NSOpenPanel openPanel];
>                       if ([myDearWindow runModal] == NSOKButton) 
>                       {
>                       NSArray *fileToOpen = [myDearWindow filenames];
>                       self.outputPath=[fileToOpen objectAtIndex:0];
>                       }
>       
>               }
>       return YES;
> }
> 
> i'am not very successful with this code, the plugin compile fine but the 
> openPanel doesn't open when the input port is set to TRUE.
> Any  Idea ?


-startExecution:(id)context is called _before_ the composition is executing -- 
at that point in time, the input ports are usually undefined (their default 
values, or 0 / nil).

Opening a panel automatically probably isn't a good idea (generating thumbnails 
and other mundane operations will be confusing to the user), but for a special 
case it might be ok.  In that case, you might want to skip the 
if(self.inputOpenPanel == YES) check (but then it will always open).

--
Christopher Wright
[email protected]



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