Log of /trunk/pg/macros/contextOrdering.pl

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Revision 5964 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Tue Jan 13 01:38:03 2009 UTC (4 years, 4 months ago) by dpvc
File length: 12732 byte(s)
Diff to previous 5963

Simplify mechanism of maintaining the letters used in an ordering.
No need for the ugly hack to get around reducing to Value objects;
just leave the letters attached to the Value object rather than
deleting them.

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Revision 5963 - (view) (download) (as text) (annotate) - [selected]
Modified Mon Jan 12 17:22:55 2009 UTC (4 years, 4 months ago) by dpvc
File length: 13556 byte(s)
Diff to previous 5962

Added a message for when the student answer does not include all the
letters used in the correct answer.

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Revision 5962 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Mon Jan 12 15:13:40 2009 UTC (4 years, 4 months ago) by dpvc
File length: 12508 byte(s)
Diff to previous 5960 , to selected 5963

Produce error messages if a letter is used more than once in an ordering.

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Revision 5960 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sun Jan 11 15:04:36 2009 UTC (4 years, 4 months ago) by dpvc
File length: 10252 byte(s)
Diff to previous 5959 , to selected 5963

Use the Package() method to create the ordering object, so that
ordering objects can be properly subclassed.

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Revision 5959 - (view) (download) (as text) (annotate) - [select for diffs]
Added Sat Jan 10 19:36:51 2009 UTC (4 years, 4 months ago) by dpvc
File length: 10190 byte(s)
Diff to selected 5963

New Context for handling ordered lists of letters like "D > A = C > B".
See the comments for details about how to use it.