Dear All,
I'm looking for a way to produce matrices out of relations between arbitrary
types of objects/pages in SMW. Simple example would be a 'traceability matrix'
between pages within such categories as 'Business Requirement' and 'System
Requirement'. Constructed matrix would have business requirements and system
requirements as row and column headers respectively, while actual elements
would be either emply (no traceability) or flagged (traceability exists).
Good example is provided in the Wikipedia article:
http://en.wikipedia.org/wiki/Traceability_matrix
More complex example (one that I have in mind) would be based not on a simple
relationship, but on internal objects representing relationships among various
objects with additional scalar properties. In this case, cell content would be
more flexible and somehow derived from the properties, e.g. color, icons,
formatting, etc.
Next, I'm able to produce such matrices using a moderately complex incantation
based on obscure things like arrays and loops, but it's O(NxM), needs to be
tailored for a particular type of matrix, and look awful in general.
I believe that general-purpose matrix/pivot style result formatter for inline
queries would be good for SMW. Moreover, I'd like to try to blow the dust from
my PHP skills and actually produce one. What I'm looking for is some informed
advice on how to approach this one.
My initial idea is to create an extension that introduces a {{#pivot...}}
instruction that actually does underlying query and formatting. Does it make
sense? Or it is something that can't be built outside the SMW core?
--
Best regards,
Igor Lobanov------------------------------------------------------------------------------
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