Streams/streams
Streams/streams
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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.

Browse source 
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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3
boot.php
View file

@ -2459,6 +2459,8 @@ function construct_page(&$a) {
* Build the page - now that we have all the components
*/
require_once(theme_include('theme_init.php'));
$installing = false;
if($a->module == 'setup')
@ -2473,7 +2475,6 @@ function construct_page(&$a) {
}
}
require_once(theme_include('theme_init.php'));
if(($p = theme_include(current_theme() . '.js')) != '')
head_add_js($p);

7
include/nav.php
View file

@ -201,16 +201,19 @@ EOT;
if($banner === false)
$banner = 'red';
$x = array('nav' => $nav, 'usermenu' => $userinfo );
call_hooks('nav', $x);
$tpl = get_markup_template('nav.tpl');
$a->page['nav'] .= replace_macros($tpl, array(
'$baseurl' => $a->get_baseurl(),
'$langselector' => ((get_config('system','select_language')) ? lang_selector() : ''),
'$sitelocation' => $sitelocation,
'$nav' => $nav,
'$nav' => $x['nav'],
'$banner' => $banner,
'$emptynotifications' => t('Nothing new here'),
'$userinfo' => $userinfo,
'$userinfo' => $x['usermenu'],
'$localuser' => local_user(),
'$sel' => $a->nav_sel,
'$apps' => $a->get_apps(),

37
include/plugin.php
View file

@ -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);