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-rw-r--r--engine/lib/elgglib.php113
1 files changed, 66 insertions, 47 deletions
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index cb736f418..198ffe60c 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -167,12 +167,12 @@ function forward($location = "", $reason = 'system') {
* @param string $name An identifier for the JavaScript library
* @param string $url URL of the JavaScript file
* @param string $location Page location: head or footer. (default: head)
- * @param int $priority Priority of the CSS file (lower numbers load earlier)
+ * @param int $priority Priority of the JS file (lower numbers load earlier)
*
* @return bool
* @since 1.8.0
*/
-function elgg_register_js($name, $url, $location = 'head', $priority = 500) {
+function elgg_register_js($name, $url, $location = 'head', $priority = null) {
return elgg_register_external_file('js', $name, $url, $location, $priority);
}
@@ -225,7 +225,7 @@ function elgg_get_loaded_js($location = 'head') {
* @return bool
* @since 1.8.0
*/
-function elgg_register_css($name, $url, $priority = 500) {
+function elgg_register_css($name, $url, $priority = null) {
return elgg_register_external_file('css', $name, $url, 'head', $priority);
}
@@ -278,7 +278,7 @@ function elgg_get_loaded_css() {
* @return bool
* @since 1.8.0
*/
-function elgg_register_external_file($type, $name, $url, $location, $priority = 500) {
+function elgg_register_external_file($type, $name, $url, $location, $priority = null) {
global $CONFIG;
if (empty($name) || empty($url)) {
@@ -288,32 +288,36 @@ function elgg_register_external_file($type, $name, $url, $location, $priority =
$url = elgg_format_url($url);
$url = elgg_normalize_url($url);
- if (!isset($CONFIG->externals)) {
- $CONFIG->externals = array();
- }
-
- if (!isset($CONFIG->externals[$type])) {
- $CONFIG->externals[$type] = array();
- }
+ elgg_bootstrap_externals_data_structure($type);
$name = trim(strtolower($name));
-
- if (isset($CONFIG->externals[$type][$name])) {
- // update a registered item
- $item = $CONFIG->externals[$type][$name];
-
+ $priority = max((int)$priority, 0);
+ $item = elgg_extract($name, $CONFIG->externals_map[$type]);
+
+ if ($item) {
+ // updating a registered item
+ // don't update loaded because it could already be set
+ $item->url = $url;
+ $item->location = $location;
+
+ // if loaded before registered, that means it hasn't been added to the list yet
+ if ($CONFIG->externals[$type]->contains($item)) {
+ $priority = $CONFIG->externals[$type]->move($item, $priority);
+ } else {
+ $priority = $CONFIG->externals[$type]->add($item, $priority);
+ }
} else {
$item = new stdClass();
$item->loaded = false;
- }
+ $item->url = $url;
+ $item->location = $location;
- $item->url = $url;
- $item->priority = max((int)$priority, 0);
- $item->location = $location;
+ $priority = $CONFIG->externals[$type]->add($item, $priority);
+ }
- $CONFIG->externals[$type][$name] = $item;
+ $CONFIG->externals_map[$type][$name] = $item;
- return true;
+ return $priority !== false;
}
/**
@@ -328,19 +332,14 @@ function elgg_register_external_file($type, $name, $url, $location, $priority =
function elgg_unregister_external_file($type, $name) {
global $CONFIG;
- if (!isset($CONFIG->externals)) {
- return false;
- }
-
- if (!isset($CONFIG->externals[$type])) {
- return false;
- }
+ elgg_bootstrap_externals_data_structure($type);
$name = trim(strtolower($name));
-
- if (array_key_exists($name, $CONFIG->externals[$type])) {
- unset($CONFIG->externals[$type][$name]);
- return true;
+ $item = elgg_extract($name, $CONFIG->externals_map[$type]);
+
+ if ($item) {
+ unset($CONFIG->externals_map[$type][$name]);
+ return $CONFIG->externals[$type]->remove($item);
}
return false;
@@ -358,27 +357,23 @@ function elgg_unregister_external_file($type, $name) {
function elgg_load_external_file($type, $name) {
global $CONFIG;
- if (!isset($CONFIG->externals)) {
- $CONFIG->externals = array();
- }
-
- if (!isset($CONFIG->externals[$type])) {
- $CONFIG->externals[$type] = array();
- }
+ elgg_bootstrap_externals_data_structure($type);
$name = trim(strtolower($name));
- if (isset($CONFIG->externals[$type][$name])) {
+ $item = elgg_extract($name, $CONFIG->externals_map[$type]);
+
+ if ($item) {
// update a registered item
- $CONFIG->externals[$type][$name]->loaded = true;
+ $item->loaded = true;
} else {
$item = new stdClass();
$item->loaded = true;
$item->url = '';
$item->location = '';
- $item->priority = 500;
- $CONFIG->externals[$type][$name] = $item;
+ $priority = $CONFIG->externals[$type]->add($item);
+ $CONFIG->externals_map[$type][$name] = $item;
}
}
@@ -394,13 +389,12 @@ function elgg_load_external_file($type, $name) {
function elgg_get_loaded_external_files($type, $location) {
global $CONFIG;
- if (isset($CONFIG->externals) && isset($CONFIG->externals[$type])) {
- $items = array_values($CONFIG->externals[$type]);
+ if (isset($CONFIG->externals) && $CONFIG->externals[$type] instanceof ElggPriorityList) {
+ $items = $CONFIG->externals[$type]->getElements();
$callback = "return \$v->loaded == true && \$v->location == '$location';";
$items = array_filter($items, create_function('$v', $callback));
if ($items) {
- usort($items, create_function('$a,$b','return $a->priority >= $b->priority;'));
array_walk($items, create_function('&$v,$k', '$v = $v->url;'));
}
return $items;
@@ -409,6 +403,31 @@ function elgg_get_loaded_external_files($type, $location) {
}
/**
+ * Bootstraps the externals data structure in $CONFIG.
+ *
+ * @param string $type The type of external, js or css.
+ */
+function elgg_bootstrap_externals_data_structure($type) {
+ global $CONFIG;
+
+ if (!isset($CONFIG->externals)) {
+ $CONFIG->externals = array();
+ }
+
+ if (!$CONFIG->externals[$type] instanceof ElggPriorityList) {
+ $CONFIG->externals[$type] = new ElggPriorityList();
+ }
+
+ if (!isset($CONFIG->externals_map)) {
+ $CONFIG->externals_map = array();
+ }
+
+ if (!isset($CONFIG->externals_map[$type])) {
+ $CONFIG->externals_map[$type] = array();
+ }
+}
+
+/**
* Returns a list of files in $directory.
*
* Only returns files. Does not recurse into subdirs.