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TAL Statements: repeat variable

• 2003-12-23 02:40

An iteration object variable is automatically set in a repeat statement. Its name is repeat_ followed by the name of the variable used.

This variable contains the following attributes:

• index: repetition number, starting from 0.
• number: repetition number, starting from 1.
• even: true if index is even (0, 2, ...).
• odd: true if index is odd (1, 3, ...).
• start: true for the first element.
• end: true for the last element.
• length: list length, number of repetitions.
• letter: repetition number as a lower-case letter (a, b, ...).
• Letter: repetition number as an upper-case letter (A, B, ...).
• roman: lower-case roman numeral repetion number (i, ii, iii, iv, ...).
• Roman: upper-case roman numeral repetion number (I, II, III, IV, ...).

and two methods, intented for use with sorted lists:

• first
• last

Example

<ul>
  <li tal:repeat="author currentObject.authorsSet">
     <span tal:replace="repeat_author.roman">i</span>.
     <span tal:replace="author.name">Name</span>
  </li>
</ul>

results in something like this:

<ul>
  <li>i. Emmanuel</li>
  <li>ii. Frederic</li>
  <li>iii. Odile</li>
  <li>iv. Benjamin</li>
</ul>