Exam 1 post mortem

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Exam 1 post mortem
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Agenda

• Questions
• HW4
• Exam
• Results
• Reviewing answers/discussion
• Anonymous feedback

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Results
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Question 1 FSM

• Input actions Guard predicates Output actions
• Mmove
• Lmpress
• Rmpress
• LMrelease
• RMpress
• Mdrag

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FSM
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Question 2 Damage Management

• public void eraseStrokesAt(Point point)
• Vector erased_strokes new Vector()
• // determine which strokes to erase, only those
  which contain the point from the drag event
• for (int i0 iltstrokes.size() i)
• Stroke indexed_stroke (Stroke)
  strokes.elementAt(i)
• if (indexed_stroke.contains(point))
• erased_strokes.addElement(indexed_stroke)
  
• // now remove each erased stroke from the vector
  of strokes in the whiteboard
• for (int i0 ilterased_strokes.size() i)
• Stroke erased_stroke (Stroke)
  erased_strokes.elementAt(i)
• strokes.removeElement(erased_stroke)

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Question 3 Modelling input
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Modelling input
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Question 4 Instrumental Interaction
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Question 5 Event dispatch
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Question 6 Interaction Architectures
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