46 lines
1.4 KiB
Plaintext
46 lines
1.4 KiB
Plaintext
TODO:
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- purpose statement for each interface method
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- one day, not now: blank out error messages somehow on the next event
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- one day, not now: a common abstract class
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;; Information about the union's common fields:
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(add-button info-pane "Add Common Field"
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(lambda (x e) (send field-panel add)))
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(define field-panel
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(new field-panel%
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(parent info-pane) (window this)
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(error-message (lambda (x) (error-message x)))))
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--------------------------------------------------------------------------------
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adapted wizard to interfaces (from abstract classes)
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unions are interfaces plus implementing classes
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signatures of common methods
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| construction attributes --- presentation only
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Languages | template toString diagram
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------------------------------------------------------------------
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BEGINNER | -- -- okay
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INTERMEDIATE | no "public" no "public" okay
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PROFESSIONAL | okay okay okay
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--------------------------------------------------------------------------------
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view0:
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design interfaces by hand
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abstract into functions
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abstract common pieces via multiple values
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view:
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replace the multiple values abstraction with classes
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data-def0
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everything is a list
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data-def
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unions (dt) becomes a struct so that I could add common fields
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draw-txt0
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explorative prototype
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