So as the first option was loading wired i have come to a better solution.
what we will do in this case is to create a new menu item, put it in first position, give a custom class, needed to add cutom css style for that item. For this we will:
- create a function to add new menu item
- create a function to load custom stylesheet to admin panel
- and create the new css style to override default css for that item
This will be the function to add new menu:
add_action('admin_menu', 'shomtek_admin_menu');
function shomtek_admin_menu() {
global $menu;
$url="http://www.shomtek.com/";
$menu[0] = array( __('SHOMTek'), 'read', $url, 'shomtek-logo', 'shomtek-logo');
}
Adding custom stylesheet to wp-admin head
add_action('admin_head', 'shomtek_admin_style');
function shomtek_admin_style() {
echo '<link rel="stylesheet" href="' . get_template_directory_uri() . '/css/admin_style.css" type="text/css" media="all" />';
}
At the end the custom style for that menu item
#adminmenu a.shomtek-logo{
display: block;
background: url(http://www.shomtek.com/wp-content/uploads/2014/01/logo.png) no-repeat center center;
background-size: 140px 40px;
width: 140px;
opacity: 0.6;
height: 40px;
margin: 0 auto;
padding: 10px 5px;
}
#adminmenu a.shomtek-logo div.wp-menu-name {
display: none;
}
This is all, tested and it works perfect 😉