The Inbox: System-fbs.532.mcz

A new version of System was added to project The Inbox:
http://source.squeak.org/inbox/System-fbs.532.mcz

==================== Summary ====================

Name: System-fbs.532
Author: fbs
Time: 18 May 2013, 10:58:59.877 pm
UUID: 2455a403-4129-451e-ae74-472a347a791e
Ancestors: System-fbs.531

Remove ScrapsBook classvar from Utilities. Instead, lazily instantiate a ScrapBook instance, and delegate trash behaviour to it.

=============== Diff against System-fbs.531 ===============

Item was changed:
  Object subclass: #Utilities
  instanceVariableNames: ''
+ classVariableNames: 'AuthorInitials AuthorName CommonRequestStrings LastStats RecentSubmissions UpdateDownloader UpdateUrlLists'
- classVariableNames: 'AuthorInitials AuthorName CommonRequestStrings LastStats RecentSubmissions ScrapsBook UpdateDownloader UpdateUrlLists'
  poolDictionaries: ''
  category: 'System-Support'!
 
  !Utilities commentStamp: '<historical>' prior: 0!
  A repository for general and miscellaneous utilities; much of what is here are in effect global methods that don't naturally attach to anything else.  1/96 sw!

Item was removed:
- ----- Method: Utilities class>>addToTrash: (in category 'scraps') -----
- addToTrash: aMorph
- "Paste the object onto a page of the system Trash book, unless the preference is set to empty the trash immediately."
-
- | aBook aPage |
- Preferences preserveTrash ifFalse: [^ self].
-
- aBook := self scrapsBook.
- aMorph position: aBook pages first position + (0@40).
- aBook pages do: [:pp |
- (pp submorphs size = 1 and: [pp hasProperty: #trash]) ifTrue:  "perhaps remove that property here"
- ["page is blank"
- ^ pp addMorph: aMorph]].
- aPage := aBook insertPageLabel: Time dateAndTimeNow printString
- morphs: (Array with: aMorph).
- aPage setProperty: #trash toValue: true!

Item was removed:
- ----- Method: Utilities class>>cleanUp: (in category 'class initialization') -----
- cleanUp: agressive
- "Nuke the scraps book when cleaning aggressively"
-
- agressive ifTrue:[ScrapsBook := nil].!

Item was removed:
- ----- Method: Utilities class>>emptyScrapsBook (in category 'scraps') -----
- emptyScrapsBook
- "Utilities emptyScrapsBook"
- | oldScraps |
- oldScraps := ScrapsBook.
- ScrapsBook := nil.
- self scrapsBook.  "Creates it afresh"
- (oldScraps notNil and: [oldScraps owner notNil])
- ifTrue:
- [ScrapsBook position: oldScraps position.
- oldScraps owner replaceSubmorph: oldScraps by: ScrapsBook.
- ScrapsBook changed; layoutChanged]!

Item was changed:
  ----- Method: Utilities class>>initialize (in category 'class initialization') -----
  initialize
+ (self classVarNames includes: 'ScrapsBook') ifTrue: [self removeClassVarName: 'ScrapsBook'].!
- "Initialize the class variables.  5/16/96 sw"
- self initializeCommonRequestStrings.
- RecentSubmissions := OrderedCollection new.
-
- self registerInFlapsRegistry. !

Item was removed:
- ----- Method: Utilities class>>maybeEmptyTrash (in category 'scraps') -----
- maybeEmptyTrash
- (self confirm: 'Do you really want to empty the trash?' translated)
- ifTrue: [self emptyScrapsBook]!

Item was removed:
- ----- Method: Utilities class>>trashTitle (in category 'scraps') -----
- trashTitle
- | label pgs |
- label := 'T R A S H' translated.
- ^ (pgs := ScrapsBook pages size) < 2
- ifTrue:
- [label]
- ifFalse:
- [label, ('  ({1} pages)' translated format:{pgs})]
- !