EditWYSIWYGAttachPrintablePDF
r15 - 24 Jan 2007 - 07:34:50 - PeterThoenyYou are here: Baanboard.com Wiki >  TWiki Web > SpreadSheetPlugin

TWiki Spreadsheet Plugin

This Plugin adds spreadsheet capabilities to Baanboard.com Wiki topics. Formulae like %CALC{"$INT(7/3)"}% are evaluated at page view time. They can be placed in table cells and outside of tables. In other words, this Plugin provides general formula evaluation capability, not just classic spreadsheet functions.

Example:

Region: Sales:
Northeast 320
Northwest 580
South 240
Europe 610
Asia 220
Total: 1970

      Interactive example:

Formula: %CALC{""}%  
Result:     TWiki Guest

The formula next to "Total" is %CALC{"$SUM( $ABOVE() )"}%.
(you see the formula instead of the sum in case the Plugin is not installed or not enabled.)

Syntax Rules

The action of this Plugin is triggered by the %CALC{"..."}% variable, which gets rendered according to the built-in function(s) found between the quotes.

  • Built-in function are of format $FUNCNAME(parameter)
  • Functions may be nested, e.g. %CALC{"$SUM( R2:C$COLUMN(0)..R$ROW(-1):C$COLUMN(0) )"}%
  • Functions are evaluated from left to right, and from inside to outside if nested
  • The function parameter can be text; a mathematical formula; a cell address; or a range of cell addresses
  • Multiple parameters form a list; they are separated by a comma, followed by optional space, e.g. %CALC{"$SUM( 3, 5, 7 )"}%
  • A table cell can be addressed as R1:C1. Table address matrix:
    R1:C1 R1:C2 R1:C3 R1:C4
    R2:C1 R2:C2 R2:C3 R2:C4
  • A table cell range is defined by two cell addresses separated by "..", e.g. "row 1 through 20, column 3" is: R1:C3..R20:C3
  • Lists can refer to values and/or table cell ranges, e.g. %CALC{"$SUM( 3, 5, $T(R1:C7), R1:C11..R1:C15 )"}%
  • Formulae can only reference cells in the current or preceeding row of the current table; they may not reference cells below the current table row
  • Formulae can also be placed outside of tables; they can reference cells in the preceeding table

Built-in Functions

Conventions for Syntax:

  • Required parameters are indicated in ( bold )
  • Optional parameters are indicated in ( bold italic )

ABOVE( ) -- address range of cells above the current cell

  • Syntax: $ABOVE( )
  • Example: %CALC{"$SUM($ABOVE())"}% returns the sum of cells above the current cell
  • Related: $LEFT(), $RIGHT()

ABS( num ) -- absolute value of a number

AND( list ) -- logical AND of a list

  • Syntax: $AND( list )
  • Example: %CALC{"$AND(1, 0, 1)"}% returns 0
  • Related: $NOT(), $IF(), $OR()

AVERAGE( list ) -- average of a list or a range of cells

  • Syntax: $AVERAGE( list )
  • Example: %CALC{"$AVERAGE(R2:C5..R$ROW(-1):C5)"}% returns the average of column 5, excluding the title row
  • Related: $LIST(), $MAX(), $MEDIAN(), $MIN()

CHAR( number ) -- ASCII character represented by number

  • Syntax: $CHAR( number )
  • Example: Example: %CALC{"$CHAR(97)"}% returns a
  • Related: $CODE()

CODE( text ) -- ASCII numeric value of character

  • The ASCII numeric value of the first character in text
  • Syntax: $CODE( text )
  • Example: %CALC{"$CODE(abc)"}% returns 97
  • Related: $CHAR()

COLUMN( offset ) -- current column number

  • The current table column number with an optional offset
  • Syntax: $COLUMN( offset )
  • Example: %CALC{"$COLUMN()"}% returns 2 for the second column
  • Related: $ROW(), $T()

COUNTITEMS( list ) -- count individual items in a list

  • Syntax: $COUNTITEMS( list )
  • Example: %CALC{"$COUNTITEMS($ABOVE())"}% returns Closed: 1, Open: 2 assuming one cell above the current cell contains Closed and two cells contain Open
  • Related: $COUNTSTR(), $LIST()

COUNTSTR( list, str ) -- count the number of cells in a list equal to a given string

  • Count the number of cells in a list equal to a given string (if str is specified), or counts the number of non empty cells in a list
  • Syntax: $COUNTSTR( list, str )
  • Example: %CALC{"$COUNTSTR($ABOVE())"}% counts the number of non empty cells above the current cell
  • Example: %CALC{"$COUNTSTR($ABOVE(), DONE)"}% counts the number of cells equal to DONE
  • Related: $COUNTITEMS(), $LIST()

DEF( list ) -- find first non-empty list item or cell

  • Returns the first list item or cell reference that is not empty
  • Syntax: $DEF( list )
  • Example: %CALC{"$DEF(R1:C1..R1:C3)"}%
  • Related: $COUNTSTR(), $LISTIF(), $LIST()

EVAL( formula ) -- evaluate a simple mathematical formula

  • Addition, substraction, multiplication, division and modulus of numbers are supported. Any nesting is permitted
  • Syntax: $EVAL( formula )
  • Example: %CALC{"$EVAL( (5 * 3) / 2 + 1.1 )"}% returns 8.6
  • Related: $EXEC(), $INT(), $MOD(), $ROUND(), $VALUE()

EVEN( num ) -- test for even number

EXACT( text1, text2 ) -- compare two text strings

  • Compares two text strings and returns 1 if they are exactly the same, or 0 if not
  • Syntax: $EXACT( text1, text2 )
  • Example: %CALC{"$EXACT(foo, Foo)"}% returns 0
  • Example: %CALC{"$EXACT(foo, $LOWER(Foo))"}% returns 1
  • Related: $IF(), $TRIM()

EXEC( formula ) -- execute a spreadsheet formula

  • Execute a spreadsheet formula, typically retrieved from a variable. This can be used to store a formula in a variable once and execute it many times using different parameters.
  • Syntax: $EXEC( formula )
  • Example: %CALC{"$SET(msg, $NOEXEC(Hi $GET(name)))"}% sets the msg variable with raw formula Hi $GET(name)
  • Example: %CALC{"$SET(name, Tom) $EXEC($GET(msg))"}% executes content of msg variable and returns Hi Tom
  • Example: %CALC{"$SET(name, Jerry) $EXEC($GET(msg))"}% returns Hi Jerry
  • Related: $EVAL(), $GET(), $NOEXEC(), $SET()

EXISTS( topic ) -- check if topic exists

  • Topic can be TopicName or a Web.TopicName
  • Syntax: $EXISTS( topic )
  • Example: %CALC{"$EXISTS(WebHome)"}% returns 1
  • Example: %CALC{"$EXISTS(ThisDoesNotExist)"}% returns 0

FIND( string, text, start ) -- find one string within another string

  • Finds one text string, within another text, and returns the number of the starting position of string, from the first character of text. This search is case sensitive and is not a regular expression search; use $SEARCH() for regular expression searching. Starting position is 1; a 0 is returned if nothing is matched.
  • Syntax: $FIND( string, text, start )
  • Example: %CALC{"$FIND(f, fluffy)"}% returns 1
  • Example: %CALC{"$FIND(f, fluffy, 2)"}% returns 4
  • Example: %CALC{"$FIND(@, fluffy, 1)"}% returns 0
  • Related: $REPLACE(), $SEARCH()

FORMAT( type, prec, number ) -- format a number to a certain type and precision

  • Type can be COMMA for comma format, DOLLAR for Dollar format, KB for Kilo Byte format, MB for Mega Byte format, KBMB for Kilo/Mega/Giga/Tera Byte auto-adjust format, NUMBER for number, and PERCENT for percent format
  • Syntax: $FORMAT( type, prec, number )
  • Example: %CALC{"$FORMAT(COMMA, 2, 12345.6789)"}% returns 12,345.68
  • Example: %CALC{"$FORMAT(DOLLAR, 2, 12345.67)"}% returns $12,345.68
  • Example: %CALC{"$FORMAT(KB, 2, 1234567)"}% returns 1205.63 KB
  • Example: %CALC{"$FORMAT(MB, 2, 1234567)"}% returns 1.18 MB
  • Example: %CALC{"$FORMAT(KBMB, 2, 1234567)"}% returns 1.18 MB
  • Example: %CALC{"$FORMAT(KBMB, 2, 1234567890)"}% returns 1.15 GB
  • Example: %CALC{"$FORMAT(NUMBER, 1, 12345.67)"}% returns 12345.7
  • Example: %CALC{"$FORMAT(PERCENT, 1, 0.1234567)"}% returns 12.3%
  • Related: $ROUND()

FORMATTIME( serial, text ) -- convert a serialized date into a date string

  • The following variables in text are expanded: $second (seconds, 00..59); $minute (minutes, 00..59); $hour (hours, 00..23); $day (day of month, 01..31); $month (month, 01..12); $mon (month in text format, Jan..Dec); $year (4 digit year, 1999); $ye (2 digit year, 99), $wd (day number of the week, 1 for Sunday, 2 for Monday, etc), $wday (day of the week, Sun..Sat), $weekday (day of the week, Sunday..Saturday), $yearday (day of the year, 1..365, or 1..366 in leap years). Date is assumed to be server time; add GMT to indicate Greenwich time zone.
  • Syntax: $FORMATTIME( serial, text )
  • Example: %CALC{"$FORMATTIME(0, $year/$month/$day GMT)"}% returns 1970/01/01 GMT
  • Related: $FORMATGMTIME(), $TIME(), $TIMEADD(), $TIMEDIFF(), $TODAY()

FORMATGMTIME( serial, text ) -- convert a serialized date into a GMT date string

  • The date string represents the time in Greenwich time zone. Same variable expansion as in $FORMATTIME().
  • Syntax: $FORMATGMTIME( serial, text )
  • Example: %CALC{"$FORMATGMTIME(1041379200, $day $mon $year)"}% returns 01 Jan 2003
  • Related: $FORMATTIME(), $TIME(), $TIMEADD(), $TIMEDIFF(), $TODAY()

GET( name ) -- get the value of a previously set variable

  • Specify the variable name (alphanumeric characters and underscores). An empty string is returned if the variable does not exist. Use $SET() to set a variable first. Unlike table ranges, variables live for the time of the page view and persist across tables, i.e. you can use it to summarize results across several tables.
  • Syntax: $GET( name )
  • Example: %CALC{"$GET(my_total)"}% returns the value of the my_total variable
  • Related: $EXEC(), $NOEXEC(), $SET(), $SETIFEMPTY(), $SETM()

IF( condition, value if true, value if 0 ) -- return a value based on a condition

  • The condition can be a number (where 0 means condition not met), or two numbers with a comparison operator < (less than), <= (less than or equal), == (equal), != (not equal), >= (greater than or equal), > (greater than).
  • Syntax: $IF( condition, value if true, value if 0 )
  • Example: %CALC{"$IF($T(R1:C5) > 1000, Over Budget, OK)"}% returns Over Budget if value in R1:C5 is over 1000, OK if not
  • Example: %CALC{"$IF($EXACT($T(R1:C2),), empty, $T(R1:C2))"}% returns the content of R1:C2 or empty if empty
  • Example: %CALC{"$SET(val, $IF($T(R1:C2) == 0, zero, $T(R1:C2)))"}% sets a variable conditionally
  • Related: $AND(), $EXACT(), $LISTIF(), $NOT(), $OR()

INT( formula ) -- evaluate formula and round down to nearest integer

  • Addition, substraction, multiplication, division and modulus of numbers are supported. Any nesting is permitted
  • Syntax: $INT( formula )
  • Example: %CALC{"$INT(10 / 4)"}% returns 2
  • Related: $EVAL(), $ROUND(), $VALUE()

LEFT( ) -- address range of cells to the left of the current cell

  • Syntax: $LEFT( )
  • Example: %CALC{"$SUM($LEFT())"}% returns the sum of cells to the left of the current cell
  • Related: $ABOVE(), $RIGHT()

LENGTH( text ) -- length of text in bytes

  • Syntax: $LENGTH( text )
  • Example: %CALC{"$LENGTH(abcd)"}% returns 4
  • Related: $LISTSIZE()

LIST( range ) -- convert content of a cell range into a list

LISTIF( condition, list ) -- remove elements from a list that do not meet a condition

  • In addition to the condition described in $IF(), you can use $item to indicate the current element, and $index for the list index, starting at 1
  • Syntax: $LISTIF( condition, list )
  • Example: %CALC{"$LISTIF($item > 12, 14, 7, 25)"}% returns 14, 25
  • Example: %CALC{"$LISTIF($NOT($EXACT($item,)), A, B, , E)"}% returns non-empty elements A, B, E
  • Example: %CALC{"$LISTIF($index > 2, A, B, C, D)"}% returns C, D
  • Related: $IF(), $LIST(), $LISTITEM(), $LISTMAP(), $LISTREVERSE(), $LISTSIZE(), $LISTSORT(), $LISTUNIQUE(), $SUM()

LISTITEM( index, list ) -- get one element of a list

LISTJOIN( separator, list ) -- convert a list into a string

  • By default, list items are separated by a comma and a space. Use this function to indicate a specific separator string, which may include $comma for comma, $n for newline, and $sp for space.
  • Syntax: $LISTJOIN( separator, list )
  • Example: %CALC{"$LISTJOIN($n, Apple, Orange, Apple, Kiwi)"}% returns the four items separated by new lines
  • Related: $LIST(), $LISTSIZE()

LISTMAP( formula, list ) -- evaluate and update each element of a list

LISTRAND( list ) -- get one random element of a list

LISTREVERSE( list ) -- opposite order of a list

LISTSIZE( list ) -- number of elements in a list

LISTSHUFFLE( list ) -- shuffle element of a list in random order

LISTSORT( list ) -- sort a list

LISTTRUNCATE( size, list ) -- truncate list to size

LISTUNIQUE( list ) -- remove all duplicates from a list

LOWER( text ) -- lower case string of a text

MAX( list ) - biggest value of a list or range of cells

MEDIAN( list ) -- median of a list or range of cells

MIN( list ) -- smallest value of a list or range of cells

MOD( num, divisor ) -- reminder after dividing num by divisor

  • Syntax: $MOD( num, divisor )
  • Example: %CALC{"$MOD(7, 3)"}% returns 1
  • Related: $EVAL()

NOEXEC( formula ) -- do not execute a spreadsheet formula

  • Prevent a formula from getting executed. This is typically used to store a raw formula in a variable for later use as described in $EXEC().
  • Syntax: $NOEXEC( formula )
  • Example: %CALC{"$SET(msg, $NOEXEC(Hi $GET(name)))"}% sets the msg variable with the formula Hi $GET(name) without executing it
  • Related: $EVAL(), $EXEC(), $GET(), $SET()

NOP( text ) -- no-operation

  • Useful to change the order of Plugin execution. For example, it allows preprossing to be done before %SEARCH{}% is evaluated. The percent character '%' can be escaped with $per
  • Syntax: $NOP( text )

NOT( num ) -- reverse logic of a number

  • Returns 0 if num is not zero, 1 if zero
  • Syntax: $NOT( num )
  • Example: %CALC{"$NOT(0)"}% returns 1
  • Related: $AND(), $IF(), $OR()

ODD( num ) -- test for odd number

OR( list ) -- logical OR of a list

  • Syntax: $OR( list )
  • Example: %CALC{"$OR(1, 0, 1)"}% returns 1
  • Related: $AND(), $IF(), $NOT()

PERCENTILE( num, list ) -- percentile of a list or range of cells

  • Calculates the num-th percentile, useful to establish a threshold of acceptance. num is the percentile value, range 0..100
  • Syntax: $PERCENTILE( num, list )
  • Example: %CALC{"$PERCENTILE(75, 400, 200, 500, 100, 300)"}% returns 450
  • Related: $LIST(), $MAX(), $MEDIAN(), $MIN()

PRODUCT( list ) -- product of a list or range of cells

  • Syntax: $PRODUCT( list )
  • Example: To calculate the product of the cells to the left of the current one use %CALC{"$PRODUCT($LEFT())"}%
  • Related: $LIST(), $PRODUCT(),