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Add Smarty's prefilter capability. see topic:16219 (FR).

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git-svn-id: http://piwigo.org/svn/trunk@3927 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
mathiasm
2009-09-27 20:47:24 +00:00
parent 1c8a47a61f
commit e6363de6fd
1 changed files with 38 additions and 0 deletions
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include/template.class.php
+38
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@@ -46,6 +46,9 @@ class Template {
// Template extents filenames for each template handle.
var $extents = array();
// Templates prefilter from external sources (plugins)
var $external_filters = array();
// used by html_head smarty block to add content before </head>
var $html_head_elements = array();
@@ -290,6 +293,8 @@ class Template {
$this->smarty->assign( 'TAG_INPUT_ENABLED',
((is_adviser()) ? 'disabled="disabled" onclick="return false;"' : ''));
$this->load_external_filters();
global $conf, $lang_info;
if ( $conf['compiled_template_cache_language'] and isset($lang_info['code']) )
{
@@ -333,6 +338,7 @@ class Template {
} //else maybe error or warning ?
$this->html_head_elements = array();
}
echo $this->output;
$this->output='';
}
@@ -419,6 +425,37 @@ class Template {
}
}
/**
* This function allows to declare a Smarty prefilter from a plugin, thus allowing
* it to modify template source before compilation and without changing core files
* They will be processed by weight ascending.
* http://www.smarty.net/manual/en/advanced.features.prefilters.php
*/
function set_external_filter($weight, $callback)
{
if (! is_integer($weight)) return false;
$this->external_filters[$weight] = $callback;
return ksort($this->external_filters);
}
/**
* This function actually triggers the filters on the tpl files.
* Called in the parse method.
* http://www.smarty.net/manual/en/advanced.features.prefilters.php
*/
function load_external_filters()
{
if (! isset($this->external_filters) || ! count($this->external_filters)) return;
print_r($this->external_filters );
$test= array(1,2,3);
print_r($test);
foreach ($this->external_filters as $filter)
{
$this->smarty->register_prefilter( $filter );
}
}
static function prefilter_white_space($source, &$smarty)
{
$ld = $smarty->left_delimiter;
@@ -465,6 +502,7 @@ class Template {
}
}
/**
* This class contains basic functions that can be called directly from the
* templates in the form $pwg->l10n('edit')