[BUG] - VW7.5 StORE progress reporting fails with DNU

> Filing out the difference between to packages is failing. The problem is
> string in the method below may be nil. I've patched it by adding
> printString. Ug.
>  
> drawPercentageOn: aGC
>  | style halfUp label |
>  aGC paint: SymbolicPaint foreground.
>  style := TextAttributes styleNamed: #systemDefault.
>  halfUp := style lineGrid / 2.
>  label := Label
>     with: ((progress percentDone) rounded printString , '%') asText
>       allBold, (' ', string) asText
>     attributes: style.
>  label displayOn: aGC at: self bounds leftCenter + (4 @ halfUp negated)
>  
> Unhandled exception: Message not understood:
> #startingAt:replaceElementsIn:from:to:
> UndefinedObject(Object)>>doesNotUnderstand:
> ByteString(SequenceableCollection)>>replaceFrom:to:with:startingAt:
> ByteString(SequenceableCollection)>>copyReplaceFrom:to:with:
> ByteString(SequenceableCollection)>>,
> Store.StoreProgressView>>drawPercentageOn:
> Store.StoreProgressView>>displayOn:
> BoundedWrapper>>displayOn:
> SpecWrapper(Wrapper)>>displayOn:
> SpecWrapper(WidgetWrapper)>>displayOn:
> SubCanvas(CompositePart)>>displayOn:
> WidgetStateWrapper(Wrapper)>>displayOn:
> WidgetStateWrapper>>displayOn:
> BorderedWrapper>>displayOn:
> SpecWrapper(Wrapper)>>displayOn:
> SpecWrapper(WidgetWrapper)>>displayOn:
> SubCanvas(CompositePart)>>displayOn:
> WidgetStateWrapper(Wrapper)>>displayOn:
> WidgetStateWrapper>>displayOn:
> BoundedWrapper>>displayOn:
> SpecWrapper(Wrapper)>>displayOn:
> SpecWrapper(WidgetWrapper)>>displayOn:
> CompositePart>>displayOn:
> BoundedWrapper>>displayOn:
> ReComposingComposite(CompositePart)>>displayOn:
> WindowDisplayPolicy>>displayDamageList:in:
> ApplicationWindow(ScheduledWindow)>>displayDamageEvent:
> ApplicationWindow(ScheduledWindow)>>checkForEvents
> optimized [] in [] in WindowManager>>repairDamagesExcept:
> OrderedCollection>>do:
> optimized [] in WindowManager>>repairDamagesExcept:
> BlockClosure>>on:do:
> WindowManager>>repairDamagesExcept:
> WindowManager>>repairDamages
> WindowManager>>processNextEvent
> optimized [] in [] in WindowManager>>newProcess
> BlockClosure>>on:do:
> optimized [] in WindowManager>>newProcess
> BlockClosure>>on:do:
> optimized [] in Process class>>forBlock:priority:
>  
> ----------------------------------------------------------------------
> UndefinedObject(Object)>>doesNotUnderstand:
> Receiver:
>  an UndefinedObject
> Arguments:
>  aMessage = a Message with selector:
> #startingAt:replaceElementsIn:from:to: and arguments: #(1 ' ' 2 1)
> Temporaries:
>  excpt = a MessageNotUnderstood
>  resumeValue = nil
> Context PC = 25
>  
> ----------------------------------------------------------------------
> ByteString(SequenceableCollection)>>replaceFrom:to:with:startingAt:
> Receiver:
>  a ByteString
> Arguments:
>  start = 2
>  stop = 1
>  replacement = nil
>  repStart = 1
> Context PC = 8
>  
> ----------------------------------------------------------------------
> ByteString(SequenceableCollection)>>copyReplaceFrom:to:with:
> Receiver:
>  a ByteString
> Arguments:
>  start = 2
>  stop = 1
>  replacementCollection = nil
> Temporaries:
>  newSequenceableCollection = ' '
>  newSize = 1
>  endReplacement = 1
> Context PC = 43
>  
> ----------------------------------------------------------------------
> ByteString(SequenceableCollection)>>,
> Receiver:
>  a ByteString
> Arguments:
>  aSequenceableCollection = nil
> Context PC = 12
>  
> ----------------------------------------------------------------------
> Store.StoreProgressView>>drawPercentageOn:
> Receiver:
>  a Store.StoreProgressView
> Instance Variables:
>  container = a BoundedWrapper on: a Store.StoreProgressView
>  eventHandlers = nil
>  progress = a Store.StoreProgress
>  lastDisplayTime = 3370781524223
>  string = nil
> Arguments:
>  aGC = a ScreenGraphicsContext
> Temporaries:
>  style = a VariableSizeTextAttributes
>  halfUp = (21/2)
>  label = nil
> Context PC = 34
>  
> ----------------------------------------------------------------------
> Store.StoreProgressView>>displayOn:
> Receiver:
>  a Store.StoreProgressView
> Instance Variables:
>  container = a BoundedWrapper on: a Store.StoreProgressView
>  eventHandlers = nil
>  progress = a Store.StoreProgress
>  lastDisplayTime = 3370781524223
>  string = nil
> Arguments:
>  aGC = a ScreenGraphicsContext
> Context PC = 15
>  
> ----------------------------------------------------------------------
> BoundedWrapper>>displayOn:
> Receiver:
>  a BoundedWrapper
> Instance Variables:
>  container = a SpecWrapper on: a BoundedWrapper on: a
> Store.StoreProgressView
>  eventHandlers = nil
>  component = a Store.StoreProgressView
>  origin = 20@0
>  layout = a LayoutFrame
>  extent = 272@23
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 14
>  
> ----------------------------------------------------------------------
> SpecWrapper(Wrapper)>>displayOn:
> Receiver:
>  a SpecWrapper
> Instance Variables:
>  container = a SubCanvas
>  eventHandlers = nil
>  component = a BoundedWrapper on: a Store.StoreProgressView
>  widget = a Store.StoreProgressView
>  widgetState = a WidgetState
>  effectivelyVisible = true
>  decorator = nil
>  dependents = nil
>  dropTarget = nil
>  spec = an ArbitraryComponentSpec
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 7
>  
> ----------------------------------------------------------------------
> SpecWrapper(WidgetWrapper)>>displayOn:
> Receiver:
>  a SpecWrapper
> Instance Variables:
>  container = a SubCanvas
>  eventHandlers = nil
>  component = a BoundedWrapper on: a Store.StoreProgressView
>  widget = a Store.StoreProgressView
>  widgetState = a WidgetState
>  effectivelyVisible = true
>  decorator = nil
>  dependents = nil
>  dropTarget = nil
>  spec = an ArbitraryComponentSpec
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  lp = nil
> Context PC = 26
>  
> ----------------------------------------------------------------------
> SubCanvas(CompositePart)>>displayOn:
> Receiver:
>  a SubCanvas
> Instance Variables:
>  container = a WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  components = an OrderedCollection[3]
>  preferredBounds = 0@-1 corner: 292@23
>  client = nil
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  clipBox = 20@0 corner: 292@23
>  i = 3
>  component = a SpecWrapper on: a BoundedWrapper on: a
> Store.StoreProgressView
> Context PC = 30
>  
> ----------------------------------------------------------------------
> WidgetStateWrapper(Wrapper)>>displayOn:
> Receiver:
>  a WidgetStateWrapper
> Instance Variables:
>  container = a BorderedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  component = a SubCanvas
>  widgetState = a WidgetState
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 7
>  
> ----------------------------------------------------------------------
> WidgetStateWrapper>>displayOn:
> Receiver:
>  a WidgetStateWrapper
> Instance Variables:
>  container = a BorderedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  component = a SubCanvas
>  widgetState = a WidgetState
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  lp = nil
> Context PC = 48
>  
> ----------------------------------------------------------------------
> BorderedWrapper>>displayOn:
> Receiver:
>  a BorderedWrapper
> Instance Variables:
>  container = a SpecWrapper on: a BorderedWrapper on: a
> WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  component = a WidgetStateWrapper on: a SubCanvas
>  origin = 589@0
>  layout = a LayoutFrame
>  extent = 294@25
>  insetDisplayBox = 590@1 corner: 882@24
>  border = a WinXPBorder
>  inset = nil
>  insideColor = nil
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  bx = 589@0 corner: 883@25
>  clipBox = 610@1 corner: 882@24
>  insetClipBox = 610@1 corner: 882@24
> Context PC = 64
>  
> ----------------------------------------------------------------------
> SpecWrapper(Wrapper)>>displayOn:
> Receiver:
>  a SpecWrapper
> Instance Variables:
>  container = a SubCanvas
>  eventHandlers = nil
>  component = a BorderedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  widget = a SubCanvas
>  widgetState = a WidgetState
>  effectivelyVisible = true
>  decorator = nil
>  dependents = nil
>  dropTarget = nil
>  spec = a SubCanvasSpec
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 7
>  
> ----------------------------------------------------------------------
> SpecWrapper(WidgetWrapper)>>displayOn:
> Receiver:
>  a SpecWrapper
> Instance Variables:
>  container = a SubCanvas
>  eventHandlers = nil
>  component = a BorderedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  widget = a SubCanvas
>  widgetState = a WidgetState
>  effectivelyVisible = true
>  decorator = nil
>  dependents = nil
>  dropTarget = nil
>  spec = a SubCanvasSpec
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  lp = nil
> Context PC = 26
>  
> ----------------------------------------------------------------------
> SubCanvas(CompositePart)>>displayOn:
> Receiver:
>  a SubCanvas
> Instance Variables:
>  container = a WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  components = an OrderedCollection[3]
>  preferredBounds = 0@0 corner: 883@25
>  client = nil
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  clipBox = 610@1 corner: 882@24
>  i = 3
>  component = a SpecWrapper on: a BorderedWrapper on: a
> WidgetStateWrapper on: a SubCanvas
> Context PC = 30
>  
> ----------------------------------------------------------------------
> WidgetStateWrapper(Wrapper)>>displayOn:
> Receiver:
>  a WidgetStateWrapper
> Instance Variables:
>  container = a BoundedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  component = a SubCanvas
>  widgetState = a WidgetState
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 7
>  
> ----------------------------------------------------------------------
> WidgetStateWrapper>>displayOn:
> Receiver:
>  a WidgetStateWrapper
> Instance Variables:
>  container = a BoundedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  eventHandlers = nil
>  component = a SubCanvas
>  widgetState = a WidgetState
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  lp = nil
> Context PC = 48
>  
> ----------------------------------------------------------------------
> BoundedWrapper>>displayOn:
> Receiver:
>  a BoundedWrapper
> Instance Variables:
>  container = a SpecWrapper on: a BoundedWrapper on: a WidgetStateWrapper
> on: a SubCanvas
>  eventHandlers = nil
>  component = a WidgetStateWrapper on: a SubCanvas
>  origin = 0@333
>  layout = a LayoutFrame
>  extent = 883@25
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 14
>  
> ----------------------------------------------------------------------
> SpecWrapper(Wrapper)>>displayOn:
> Receiver:
>  a SpecWrapper
> Instance Variables:
>  container = a CompositePart
>  eventHandlers = nil
>  component = a BoundedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  widget = a SubCanvas
>  widgetState = a WidgetState
>  effectivelyVisible = true
>  decorator = nil
>  dependents = nil
>  dropTarget = nil
>  spec = a SubCanvasSpec
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 7
>  
> ----------------------------------------------------------------------
> SpecWrapper(WidgetWrapper)>>displayOn:
> Receiver:
>  a SpecWrapper
> Instance Variables:
>  container = a CompositePart
>  eventHandlers = nil
>  component = a BoundedWrapper on: a WidgetStateWrapper on: a SubCanvas
>  widget = a SubCanvas
>  widgetState = a WidgetState
>  effectivelyVisible = true
>  decorator = nil
>  dependents = nil
>  dropTarget = nil
>  spec = a SubCanvasSpec
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  lp = nil
> Context PC = 26
>  
> ----------------------------------------------------------------------
> CompositePart>>displayOn:
> Receiver:
>  a CompositePart
> Instance Variables:
>  container = a BoundedWrapper on: a CompositePart
>  eventHandlers = nil
>  components = an OrderedCollection[2]
>  preferredBounds = 0@0 corner: 883@358
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  clipBox = 610@334 corner: 882@357
>  i = 1
>  component = a SpecWrapper on: a BoundedWrapper on: a WidgetStateWrapper
> on: a SubCanvas
> Context PC = 30
>  
> ----------------------------------------------------------------------
> BoundedWrapper>>displayOn:
> Receiver:
>  a BoundedWrapper
> Instance Variables:
>  container = a ReComposingComposite
>  eventHandlers = nil
>  component = a CompositePart
>  origin = 0@50
>  layout = a LayoutFrame
>  extent = 883@358
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Context PC = 14
>  
> ----------------------------------------------------------------------
> ReComposingComposite(CompositePart)>>displayOn:
> Receiver:
>  a ReComposingComposite
> Instance Variables:
>  container = an ApplicationWindow 20
>  eventHandlers = nil
>  components = an OrderedCollection[3]
>  preferredBounds = 0@0 corner: 883@408
> Arguments:
>  aGraphicsContext = a ScreenGraphicsContext
> Temporaries:
>  clipBox = 610@384 corner: 882@407
>  i = 3
>  component = a BoundedWrapper on: a CompositePart
> Context PC = 30
>  
> ----------------------------------------------------------------------
> WindowDisplayPolicy>>displayDamageList:in:
> Receiver:
>  a WindowDisplayPolicy
> Arguments:
>  aDamageList = an Array[1]
>  aWindow = an ApplicationWindow 20
> Temporaries:
>  windowGraphicsContext = a ScreenGraphicsContext
>  windowVisual = a ReComposingComposite
>  i = 2
>  i = 1
> Context PC = 73
>  
> ----------------------------------------------------------------------
> ApplicationWindow(ScheduledWindow)>>displayDamageEvent:
> Receiver:
>  an ApplicationWindow
> Instance Variables:
>  handle = a GraphicsHandle(20)
>  width = 883
>  height = 408
>  background = a DevicePaint
>  inputOrigin = 369@184
>  creationOrigin = 369@184
>  sensor = an EventSensor
>  iconic = false
>  windowType = #normal
>  effectiveWindowType = nil
>  statusLineHeight = 0
>  allowsStatusLine = true
>  mapped = true
>  eventHandlers = nil
>  windowManager = a WindowManager
>  label = 'VisualWorks c:\RavenDev\images7.5\3848'
>  icon = an Icon
>  minimumSize = 300@125
>  maximumSize = 0@0
>  component = a ReComposingComposite
>  lookPreferences = nil
>  paintPreferences = nil
>  edgeDecorationPolicy = a WinXPBorderDecorationPolicy
>  widgetPolicy = a WinXPWidgetPolicy
>  controller = an ApplicationStandardSystemController
>  model = a VisualLauncher
>  damageRepairPolicy = a WindowDisplayPolicy
>  masterWindow = nil
>  keyboardProcessor = a KeyboardProcessor
>  application = a VisualLauncher
>  sendWindowEvents = an Array[2]
>  receiveWindowEvents = nil
>  windowEventBlock = nil
>  damageRepairIsLazy = true
>  activationNotification = true
>  isEventDriven = nil
>  toolbarVisible = true
>  dropTarget = nil
>  dragDropInProgress = nil
>  dragDropTracker = nil
> Arguments:
>  aDamageList = an Array[1]
> Context PC = 7
>  
> ----------------------------------------------------------------------
> ApplicationWindow(ScheduledWindow)>>checkForEvents
> Receiver:
>  an ApplicationWindow
> Instance Variables:
>  handle = a GraphicsHandle(20)
>  width = 883
>  height = 408
>  background = a DevicePaint
>  inputOrigin = 369@184
>  creationOrigin = 369@184
>  sensor = an EventSensor
>  iconic = false
>  windowType = #normal
>  effectiveWindowType = nil
>  statusLineHeight = 0
>  allowsStatusLine = true
>  mapped = true
>  eventHandlers = nil
>  windowManager = a WindowManager
>  label = 'VisualWorks c:\RavenDev\images7.5\3848'
>  icon = an Icon
>  minimumSize = 300@125
>  maximumSize = 0@0
>  component = a ReComposingComposite
>  lookPreferences = nil
>  paintPreferences = nil
>  edgeDecorationPolicy = a WinXPBorderDecorationPolicy
>  widgetPolicy = a WinXPWidgetPolicy
>  controller = an ApplicationStandardSystemController
>  model = a VisualLauncher
>  damageRepairPolicy = a WindowDisplayPolicy
>  masterWindow = nil
>  keyboardProcessor = a KeyboardProcessor
>  application = a VisualLauncher
>  sendWindowEvents = an Array[2]
>  receiveWindowEvents = nil
>  windowEventBlock = nil
>  damageRepairIsLazy = true
>  activationNotification = true
>  isEventDriven = nil
>  toolbarVisible = true
>  dropTarget = nil
>  dragDropInProgress = nil
>  dragDropTracker = nil
> Temporaries:
>  damage = an Array[1]
> Context PC = 33
>  
> ----------------------------------------------------------------------
> optimized [] in [] in WindowManager>>repairDamagesExcept:
> Receiver:
>  an UndefinedObject
> Arguments:
>  w = an ApplicationWindow 20
> Temporaries:
>  .obj = nil
> Context PC = 10
>  
> ----------------------------------------------------------------------
> OrderedCollection>>do:
> Receiver:
>  an OrderedCollection
> Instance Variables:
>  firstIndex = 1
>  lastIndex = 1
> Arguments:
>  aBlock = BlockClosure [] in [] in WindowManager>>repairDamagesExcept:
> Temporaries:
>  index = 1
> Context PC = 17
>  
> ----------------------------------------------------------------------
> optimized [] in WindowManager>>repairDamagesExcept:
> Receiver:
>  an UndefinedObject
> Temporaries:
>  .self = a WindowManager
>  .obj = nil
> Context PC = 13
>  
> ----------------------------------------------------------------------
> BlockClosure>>on:do:
> Receiver:
>  a BlockClosure
> Instance Variables:
>  method = CompiledBlock [] in WindowManager>>repairDamagesExcept:
>  outerContext = nil
>  copiedValues = an Array[2]
> Arguments:
>  anExceptionSelector = ClosedWindowNotification
>  handlerBlock = BlockClosure [] in WindowManager>>repairDamagesExcept:
> Context PC = 18
>  
> ----------------------------------------------------------------------
> WindowManager>>repairDamagesExcept:
> Receiver:
>  a WindowManager
> Instance Variables:
>  windows = an OrderedCollection[1]
>  activeController = nil
>  interruptLock = false
>  outstandingMetaOrDamage = false
>  openInProgress = false
>  eventQueue = an EventQueue
>  baseProcess = a Process in Semaphore>>wait
>  dontFilterEvents = false
> Arguments:
>  obj = nil
> Context PC = 16
>  
> ----------------------------------------------------------------------
> WindowManager>>repairDamages
> Receiver:
>  a WindowManager
> Instance Variables:
>  windows = an OrderedCollection[1]
>  activeController = nil
>  interruptLock = false
>  outstandingMetaOrDamage = false
>  openInProgress = false
>  eventQueue = an EventQueue
>  baseProcess = a Process in Semaphore>>wait
>  dontFilterEvents = false
> Context PC = 5
>  
> ----------------------------------------------------------------------
> WindowManager>>processNextEvent
> Receiver:
>  a WindowManager
> Instance Variables:
>  windows = an OrderedCollection[1]
>  activeController = nil
>  interruptLock = false
>  outstandingMetaOrDamage = false
>  openInProgress = false
>  eventQueue = an EventQueue
>  baseProcess = a Process in Semaphore>>wait
>  dontFilterEvents = false
> Temporaries:
>  event = a DeferrableAction
> Context PC = 12
>  
> ----------------------------------------------------------------------
> optimized [] in [] in WindowManager>>newProcess
> Receiver:
>  an UndefinedObject
> Temporaries:
>  .self = a WindowManager
> Context PC = 13
>  
> ----------------------------------------------------------------------
> BlockClosure>>on:do:
> Receiver:
>  a BlockClosure
> Instance Variables:
>  method = CompiledBlock [] in [] in WindowManager>>newProcess
>  outerContext = nil
>  copiedValues = a WindowManager
> Arguments:
>  anExceptionSelector = TerminateException
>  handlerBlock = BlockClosure [] in [] in WindowManager>>newProcess
> Context PC = 18
>  
> ----------------------------------------------------------------------
> optimized [] in WindowManager>>newProcess
> Receiver:
>  an UndefinedObject
> Temporaries:
>  .self = a WindowManager
> Context PC = 15
>  
> ----------------------------------------------------------------------
> BlockClosure>>on:do:
> Receiver:
>  a BlockClosure
> Instance Variables:
>  method = CompiledBlock [] in WindowManager>>newProcess
>  outerContext = nil
>  copiedValues = a WindowManager
> Arguments:
>  anExceptionSelector = TerminateException
>  handlerBlock = BlockClosure [] in [] in Process
> class>>forBlock:priority:
> Context PC = 18
>  
> ----------------------------------------------------------------------
> optimized [] in Process class>>forBlock:priority:
> Receiver:
>  an UndefinedObject
> Temporaries:
>  .aBlock = BlockClosure [] in WindowManager>>newProcess
> Context PC = 9
>
>  
> -----
> Joerg Beekmann
> DeepCove Labs
> 4th floor 595 Howe Street
> Vancouver, BC, V6C 2T5
> voice +1.604.689.0322
> fax   +1.604.689.0311
> [hidden email]
>
>  
>
>