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Spreadsheets

Online spreadsheets Horde module.

Bugs

List any tickets on http://bugs.horde.org/ that cover this issue or are relevant to it.

People

Duck duck@obala.net

Description

A module to allow edit and share spreadsheets. It not need to be a full featured like spreadsheet application but just a simple table editing functionality (no merged cells, graphs etc.) and with some basic mathematical operations, range functions: COUNT, SUM, AVERAGE, MIN, MAX and php build in muth functions (SIN, COS, TAN, ATAN, PI, SQRT, EXP, LN, LOG10, ABS, ATAN2, ASIN, ACOS, TRIM, SINH, COSH, TANH, ASINH, ACOSH, ATANH, LN (as PHP LOG), LEN (as PHP STRLEN)).

Attached is a experimental module. Actually is able to:

• create and share workbooks
  • edit, add, rename, delete sheets
  • duplicate or better copy sheets to desired workbook
  • parse spread sheet formula
  • basic calculation of spredsheet formula
  • support functions listed in the description above
  • cell references (inside the same workbook)
  • store sheet data in VFS and sheet parameters in SQL
  • export to excel workbooks
  • import excel workbooks (without formulas)

TODO

• references across workbooks
  • column types (selection list etc)
  • import and export opendocumetn and oasis format
  • import formulas
  • charset support for export / import
  • implement Horde_Lock
  • pdf
  • create invoice from a sheet data
  • column names

Resources

http://ewbi.blogs.com/develops/popular/excelformulaparsing.html

http://www.millstream.com.au/upload/code/tablekit/

http://code.google.com/p/trimpath/wiki/TrimSpreadsheet

Sheet

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