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The SIGCSE 2001 Maze Demonstration Program

The SIGCSE 2001 Maze Demonstration Program. Richard Rasala, Jeff Raab, Viera K. Proulx College of Computer Science Northeastern University Boston MA 02115 {rasala,jmr,vkp}@ccs.neu.edu http://www.ccs.neu.edu This work supported by NSF DUE-9950829. The Joy of Toolkits.

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The SIGCSE 2001 Maze Demonstration Program

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  1. The SIGCSE 2001 MazeDemonstration Program Richard Rasala, Jeff Raab, Viera K. Proulx College of Computer Science Northeastern University Boston MA 02115 {rasala,jmr,vkp}@ccs.neu.edu http://www.ccs.neu.edu This work supported by NSF DUE-9950829

  2. The Joy of Toolkits • The SIGCSE Maze Demo shows that with the proper toolkits it is quite feasible to build demos & laboratories with full graphical user interfaces in a very, very short period of time. • As a consequence, it is no longer necessary to teach freshmen using more primitive interfaces. • See “Toolkits ... A Pedagogical Imperative” in SIGCSE 2000 for further discussion of general issues about using toolkits.

  3. Prove It!Show Some Demos!

  4. Java Power Tools 1 • With powerful encapsulation, use of a GUI view should normally require at most four lines of code: • Construct the view • Position the view in the interface • Send user data from the view to the model • Send model data from the model to the view

  5. Java Power Tools 2 • Encapsulate model view communication as the fundamental backbone of GUI building: • Stringable models • Displayable views • TypedView & GeneralView extend Displayable • Automatic error checking • Automatic error recovery • Enables a recursive philosophy of GUI building

  6. Java Power Tools 3 • Powerful Panels • DisplayPanel: base view that supports model view communication in a recursive fashion • BufferedPanel: graphics view with automatic refresh supported by powerful plot tools • TablePanel: panel for general tables • ActionsPanel: panel to encapsulate actions as buttons • ArrayPanel: panel for user extendible arrays • Zoo: panel for mouse manipulation of items

  7. Java Power Tools 4 • Powerful Widgets • TextFieldView: for strings to models • TextAreaView: for general text • BooleanView: for check boxes • OptionsView: for radio buttons • DropdownView: for dropdown lists • ColorView: for r, g, b, alpha color choosing • SliderView: for slider choice • FileView: for file dialogs

  8. More Demos Please!

  9. Problem Set Framework • The Problem Set Framework is so powerful that we recommend that you use it even if you choose not to use the Java Power Tools in general • PSF works for small problems • PSF is a wonderful tool for unit testing • PSF can be used to integrate multiple apps

  10. Web Site • New Site: http://www.ccs.neu.edu/jpt/ • Old Site for Maze Only: http://www.ccs.neu.edu/teaching/EdGroup/JPT/Maze

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