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<?php
// $Id$
/**
* @file
* Contains infrequently used theme registry build functions.
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*/
/**
* Implements HOOK_theme().
*
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* We are simply using this hook as a convenient time to do some related work.
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*/
function _zen_theme(&$existing, $type, $theme, $path) {
// Compute the conditional stylesheets.
if (!module_exists('conditional_styles')) {
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include_once './' . _zen_path() . '/zen-internals/template.conditional-styles.inc';
// _conditional_styles_theme() only needs to be run once.
if ($theme == 'zen') {
_conditional_styles_theme($existing, $type, $theme, $path);
}
}
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// Since we are rebuilding the theme registry and the theme settings' default
// values may have changed, make sure they are saved in the database properly.
zen_theme_get_default_settings($theme);
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// If we are auto-rebuilding the theme registry, warn about the feature.
// Always display the warning in the admin section, otherwise limit to three
// warnings per hour.
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if (function_exists('user_access') && user_access('administer site configuration') && theme_get_setting('zen_rebuild_registry') && $theme == $GLOBALS['theme'] && (arg(0) == 'admin' || flood_is_allowed($GLOBALS['theme'] . '_rebuild_registry_warning', 3))) {
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flood_register_event($GLOBALS['theme'] . '_rebuild_registry_warning');
drupal_set_message(t('For easier theme development, the theme registry is being rebuilt on every page request. It is <em>extremely</em> important to <a href="!link">turn off this feature</a> on production websites.', array('!link' => url('admin/build/themes/settings/' . $GLOBALS['theme']))), 'warning', FALSE);
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}
// Keep track of all the base themes.
static $base_themes = array();
$base_themes[] = $theme;
// Add a "process" phase to come after the "preprocess" functions.
if ($type == 'theme') {
foreach (array_keys($existing) as $hook) {
// Normally, preprocess functions are added to the registry after
// HOOK_theme() returns, but if we add them first, they won't be re-added.
if (function_exists($theme . '_preprocess')) {
$existing[$hook]['preprocess functions'][] = $theme . '_preprocess';
}
if (function_exists($theme . '_preprocess_' . $hook)) {
$existing[$hook]['preprocess functions'][] = $theme . '_preprocess_' . $hook;
}
// Add base theme process functions.
foreach ($base_themes as $base_theme) {
if (function_exists($base_theme . '_process')) {
$existing[$hook]['preprocess functions'][] = $base_theme . '_process';
}
if (function_exists($base_theme . '_process_' . $hook)) {
$existing[$hook]['preprocess functions'][] = $base_theme . '_process_' . $hook;
}
}
// Add the theme process functions.
if (function_exists($theme . '_process')) {
$existing[$hook]['preprocess functions'][] = $theme . '_process';
}
if (function_exists($theme . '_process_' . $hook)) {
$existing[$hook]['preprocess functions'][] = $theme . '_process_' . $hook;
}
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// Manipulations only to be done by the base theme.
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// Insert zen_show_blocks_discovery() before template_preprocess_page().
$existing['page']['preprocess functions'] = array_merge(array('zen_show_blocks_discovery'), $existing['page']['preprocess functions']);
// The base theme registers region.tpl.php.
return array(
'region' => array(
'arguments' => array('elements' => NULL),
'pattern' => 'region_',
'path' => drupal_get_path('theme', 'zen') . '/templates',
'template' => 'region',
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// We manually register the preprocess and process functions, since
// Drupal won't auto-register template_preprocess or process functions.
'preprocess functions' => array(
'template_preprocess',
'zen_preprocess',
'zen_preprocess_region',
'zen_process',
),
),
);
}
// Else return nothing.
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return array();
}
/**
* Return the theme settings' default values from the .info and save them into the database.
*
* @param $theme
* The name of theme.
*/
function zen_theme_get_default_settings($theme) {
$themes = list_themes();
// Get the default values from the .info file.
$defaults = !empty($themes[$theme]->info['settings']) ? $themes[$theme]->info['settings'] : array();
if (!empty($defaults)) {
// Merge the defaults with the theme settings saved in the database.
$settings = array_merge($defaults, variable_get('theme_'. $theme .'_settings', array()));
// Save the settings back to the database.
variable_set('theme_'. $theme .'_settings', $settings);
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// If the active theme has been loaded, force refresh of Drupal internals.
if (!empty($GLOBALS['theme_key'])) {
theme_get_setting('', TRUE);
}
}
// Return the default settings.
return $defaults;
}