Hi Frederico, Do you want to verify that a particular instance of GTPlayground is opened or if there is just any GTPlayground opened in the current image?
For the first case a playground knows it's window. So you can check if there is a window and the window is in the world: aPlayground window ifNotNil: [ :aWindow | aWindow isInWorld ] ifNil: [ false ] For the second case something like the following script should work: (World submorphs select: [ :aMorph | aMorph isSystemWindow ]) detect: [ :aWindow | aWindow model class = GTPlayground ] ifFound: [ true ] ifNone: [ false ] Cheers, Andrei On Tue, Aug 30, 2016 at 8:51 PM, Federico.Balaguer < federico.balag...@gmail.com> wrote: > Hello, > > BotArena is a tool for teaching objects that we are using in my University. > The tool allow students to enter Smalltalk expressions using an instance of > GTPlayground. > > There is a "reset" scenario where BotArena needs to know if there is a > Playground open so it does refresh bindings to given objects. > > So how can someone check whether a Playground is open or closed? > > Thanks! Federico > > > > > -- > View this message in context: http://forum.world.st/ > GTPlayground-status-open-or-close-tp4913257.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >
