Good point. I can't look at it right now, but I will follow up when I can.

Dave

On Thu, Nov 16, 2017 at 07:26:55AM +0100, Marcel Taeumel wrote:
> This should go to MorphicProject, not Project. As long as we do not know how to generalize it, there is no reason to fill up the interface of Project again. ;) I did some efforts to remove Morphic-specific code from the Project base class last year.
> 
> Best,
> Marcel
> Am 16.11.2017 03:18:03 schrieb commits at source.squeak.org <commits at source.squeak.org>:
> David T. Lewis uploaded a new version of System to project The Trunk:
> http://source.squeak.org/trunk/System-dtl.977.mcz
> 
> ==================== Summary ====================
> 
> Name: System-dtl.977
> Author: dtl
> Time: 15 November 2017, 8:22:41.646862 pm
> UUID: 3d7fa082-cd00-4df2-8574-19b747bb5784
> Ancestors: System-dtl.976
> 
> Initial rehabilitation of worlds in worlds. Changes are in Morphic and System packages.
> 
> To: squeak-dev at lists.squeakfoundation.org
> From: Bob Arning
> Date: Tue, 14 Nov 2017 08:14:07 -0500
> Subject: Re: [squeak-dev] ActiveWorld and World globals
> 
> Here is a start (squeak 5.1). Not extensively tested, but a FileList in
> a world in the World was operational.
> 
> 'From Squeak5.1 of 23 August 2016 [latest update: #16548] on 14 November 2017 at 8:11:28 am'!
> "Change Set: fixProjectView
> Date: 14 November 2017
> Author: Bob Arning
> 
> squeak 5.1...
> 
> reinstate 'ENTER ACTIVE' option in menu for ProjectViewMorph "!
> 
> =============== Diff against System-dtl.976 ===============
> 
> Item was added:
> + ----- Method: Project>>enterAsActiveSubprojectWithin: (in category 'enter') -----
> + enterAsActiveSubprojectWithin: enclosingWorld
> +
> + "Install my ChangeSet, Transcript, and scheduled views as current globals.
> +
> + If returningFlag is true, we will return to the project from whence the current project was entered; don't change its previousProject link in this case.
> + If saveForRevert is true, save the ImageSegment of the project being left.
> + If revertFlag is true, make stubs for the world of the project being left.
> + If revertWithoutAsking is true in the project being left, then always revert."
> +
> + "Experimental mods for initial multi-project work:
> + 1. assume in morphic (this eliminated need for )
> + 2. assume is false (usual case) - removed
> + 3. assume is false
> + 4. assume is false - now auto false n.u.
> + 5. no zooming
> + 6. assume false - could be dangerous here
> + 7. assume no isolation problems (isolationHead ==)
> + 8. no closing scripts
> + "
> +
> + self isCurrentProject ifTrue: [^ self].
> +
> + "guards ifNotNil: [
> + guards := guards reject: [:obj | obj isNil].
> + guards do: [:obj | obj okayToEnterProject ifFalse: [^ self]]
> + ]."
> +
> + "CurrentProject makeThumbnail."
> + "--> Display bestGuessOfCurrentWorld triggerClosingScripts."
> + CurrentProject displayDepth: Display depth.
> +
> + displayDepth == nil ifTrue: [displayDepth := Display depth].
> + "Display newDepthNoRestore: displayDepth."
> +
> + "(world hasProperty: #letTheMusicPlay)
> + ifTrue: [world removeProperty: #letTheMusicPlay]
> + ifFalse: [Smalltalk at: #ScorePlayer ifPresent: [:playerClass |
> + playerClass allSubInstancesDo: [:player | player pause]]]."
> +
> + "returningFlag
> + ifTrue: [nextProject := CurrentProject]
> + ifFalse: [previousProject := CurrentProject]."
> +
> + "CurrentProject saveState."
> + "CurrentProject := self."
> + "Smalltalk newChanges: changeSet."
> + "TranscriptStream newTranscript: transcript."
> + "Sensor flushKeyboard."
> + "recorderOrNil := Display pauseMorphicEventRecorder."
> +
> + "Display changeMorphicWorldTo: world." "Signifies Morphic"
> + world
> + installAsActiveSubprojectIn: enclosingWorld
> + titled: self name.
> +
> + "recorderOrNil ifNotNil: [recorderOrNil resumeIn: world]."
> + world triggerOpeningScripts.
> + self removeParameter: #exportState.
> + "self spawnNewProcessAndTerminateOld: true"!
> 
> 

>