Template:Hiddenkey
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This template is designed to simplify the process of writing sorted tables.
Tables are sorted based on the initial contents of each cell. This is ideal in many circumstances, but in some cases you might want a column to be sorted on a different key. For example, in this table:
| Date | Day | Present |
|---|---|---|
| 5 January 2007 | 12 | twelve drummers drumming |
| 4 January 2007 | 11 | eleven pipers piping |
| 3 January 2007 | 10 | ten lords a-leaping |
| 2 January 2007 | 9 | nine ladies dancing |
| 1 January 2007 | 8 | eight maids a-milking |
| 31 December 2006 | 7 | seven swans a-swimming |
| 30 December 2006 | 6 | six geese a-laying |
| 29 December 2006 | 5 | five gold rings |
| 28 December 2006 | 4 | four calling birds |
| 27 December 2006 | 3 | three french hens |
| 26 December 2006 | 2 | two turtle doves |
| 25 December 2006 | 1 | a partridge in a pear tree |
we want the last column to be sorted on the name of the present, not how many were given.
We can achieve this by putting some "invisible" text at the beginning of the cell. This template makes that text invisible for you.
{| class="wikitable sortable"
!Date!!Day!!Present
|-
|{{hiddenkey|20070105}}[[5 January]] [[2007]]
|12||{{hiddenkey|drummers}}twelve [[drummers]] drumming
|-
|{{hiddenkey|20070104}}[[4 January]] [[2007]]
|11||{{hiddenkey|pipers}}eleven [[pipers]] piping
|-
...
|-
|{{hiddenkey|20061225}}[[25 December]] [[2006]]
|1||{{hiddenkey|partridge]]}}a [[partridge]] in a pear tree
|-
|}
Notice that the {{hiddenkey}} template is also used to put the date in a format which is easily sorted.
See User:TimR/Tables for further information.
