[wp-trac] [WordPress Trac] #20052: Support sprites for admin menu icons in register_post_type and add_menu_page

[WordPress Trac]

#20052: Support sprites for admin menu icons in register_post_type and
add_menu_page
----------------------------+-----------------------------
 Reporter:  helenyhou       |       Owner:
     Type:  enhancement     |      Status:  new
 Priority:  normal          |   Milestone:  Future Release
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  needs-patch     |
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Comment (by scribu):

 Why exactly would you need a param inside register_post_type() to add CSS?
 Just hook into admin_enqueue_scripts().

 The problem is that the required CSS is horrid. Here's what you have to
 add for a single menu:

 {{{
 #toplevel_page_app-dashboard div.wp-menu-image {
         background-image: url('...images/admin-menu.png');
         background-position: -0px -33px !important;
 }

 #toplevel_page_app-dashboard div.wp-menu-image img {
         display: none;
 }

 #toplevel_page_app-dashboard:hover div.wp-menu-image,
 #toplevel_page_app-dashboard.wp-has-current-submenu div.wp-menu-image {
         background-position: -0px -1px !important;
 }
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/20052#comment:13>
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