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allow themes to mess with the navbar contents without a custom template. It's done as a callback using a transient plugin hook.

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For instance to get rid of the notifications link:

insert_hook('nav','strip_notify');

function strip_notify($a,&$b) {
    unset($b['nav']['notifications']);
}
This commit is contained in:
friendica
2013-11-28 20:17:07 -08:00
parent 8cd9a2c3a9
commit 7536ed6e44
3 changed files with 42 additions and 5 deletions
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37
include/plugin.php
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@@ -181,12 +181,14 @@ function unregister_hook($hook,$file,$function) {
//
// It might not be obvious but themes can manually add hooks to the $a->hooks
// array in their theme_init() and use this to customise the app behaviour.
// UPDATE: use insert_hook($hookname,$function_name) to do this
//
function load_hooks() {
$a = get_app();
$a->hooks = array();
if(! is_array($a->hooks))
$a->hooks = array();
$r = q("SELECT * FROM hook WHERE true ORDER BY priority DESC");
if($r) {
foreach($r as $rr) {
@@ -197,6 +199,36 @@ function load_hooks() {
}
}
/**
*
* @function insert_hook($hook,$fn)
*
* Insert a short-lived hook into the running page request.
* Hooks are normally persistent so that they can be called
* across asynchronous processes such as delivery and poll
* processes.
*
* insert_hook lets you attach a hook callback immediately
* which will not persist beyond the life of this page request
* or the current process.
*
* @param string $hook;
* name of hook to attach callback
* @param string $fn;
* function name of callback handler
*
*/
function insert_hook($hook,$fn) {
$a = get_app();
if(! is_array($a->hooks))
$a->hooks = array();
if(! array_key_exists($hook,$a->hooks))
$a->hooks[$hook] = array();
$a->hooks[$hook][] = array('',$fn);
}
function call_hooks($name, &$data = null) {
@@ -204,7 +236,8 @@ function call_hooks($name, &$data = null) {
if((is_array($a->hooks)) && (array_key_exists($name,$a->hooks))) {
foreach($a->hooks[$name] as $hook) {
@include_once($hook[0]);
if($hook[0])
@include_once($hook[0]);
if(function_exists($hook[1])) {
$func = $hook[1];
$func($a,$data);