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web-author-table-cell-computed-values

README.md

Web Author Table Computed Values

Plugin that allows you to add automatically-computed values in a table cell.

Demo

A sample file is available in the samples folder.

Demo

Usage

Once you installed the plugin, to add such a computed value, add the following processing-instruction in the XML source:

<?computed-value formula="[some-xpath-expression]"?>

The XPath formula is resolved relative to the processing-instruction. The example below, computes the sum of all cells in the column where the processing-instruction is located (it assumes that the cell that contains the PI does not have other content than the PI):

let 
  $cell := ./ancestor-or-self::stentry,
  $table := ./ancestor-or-self::simpletable,
  $column :=  count(./ancestor-or-self::stentry/preceding-sibling::*) + 1
return sum($table/strow/stentry[$column][text() != ''])

To make it easy to add such a processing-instruction, you can configure a toolbar button to insert it.