/**
* Zikula_View case block to implement switchs in a template.
*
* Available attributes:
* - expr (string|numeric) the value to be tested against the expr provided in
* the {@link smarty_block_switch() switch} tag.
*
* Example:
* <pre>
* {switch expr=$var}
* {case expr='1'}
* do some stuff for case $var == '1'
* {/case}
* {case expr='2'}
* do some stuff for case $var == '2'
* {/case}
* {case}
* default stuff
* {/case}
* {/switch}
* </pre>
*
* @param array $params All attributes passed to this function from the template.
* @param string $content The content between the block tags.
* @param Zikula_View $view Reference to the {@link Zikula_View} object.
* @param boolean &$repeat Controls block repetition. See {@link http://www.smarty.net/manual/en/plugins.block.functions.php Smarty - Block Functions}.
*
* @see smarty_block_switch
*
* @return void|string The content of the matching case.
*/
function smarty_block_case($params, $content, Zikula_View $view, &$repeat)
{
if (is_null($content)) {
// handle block open tag
// find corresponding switch block
for ($i = count($view->_tag_stack) - 1; $i >= 0; $i--) {
list($tag_name, $tag_params) = $view->_tag_stack[$i];
if ($tag_name == 'switch') {
break;
}
}
if ($i < 0) {
// switch block not found
$view->tigger_error(__('smarty_block_case: case not inside a switch block'));
return;
}
if (isset($tag_params['_done']) && $tag_params['_done']) {
// another case was already found
$repeat = false;
return;
}
// $tab_params['expr'] & $params['expr'] needs to be evaluated
// For now - only worry about the expression passed by the case statement
if (isset($params['expr']) && $params['expr'] != $tag_params['expr']) {
// page doesn't match
$repeat = false;
return;
}
// page found
$view->_tag_stack[$i][1]['_done'] = true;
return;
} else {
// handle block close tag
return $content;
}
}