[Dr. Geo] [Bug 2020712] Re: Numerous registered events

[hilaire]

Implemented something like that in Sketch editor and browser to invoke
release of event

DrGSmalltalkSketchEditor>>releaseMiniView
        drgeoView submorphCount = 1 ifTrue: [
                drgeoView firstSubmorph ifNotNil: [:miniView|   miniView  app 
release] ]

** Changed in: drgeo
       Status: Confirmed => In Progress

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https://bugs.launchpad.net/bugs/2020712

Title:
  Numerous registered events

Status in Dr. Geo:
  In Progress

Bug description:
  Do we needs to register these events below in DrGMorph?

  Because a lot are registered, and not clean up. It clutters the (self
  actionsMaps) in the ActiveModel and slow down the environment.


  DrGMoprh>>registerEvents
        mathItem
                ifNotNil: [
                        mathItem
                                when: #deletedMathItem
                                send: #deleteMorph:
                                to: self app
                                with: self.
                        mathItem 
                                when: #updateMyView
                                send: #updateAllMathItems
                                to: self domain]

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