Per default some meta boxes are hidden. These boxes are stored in an array which you can find in wp-admin/includes/template.php#get_hidden_meta_boxes(). There is a filter, and therefore a chance for a plugin: <?php # -*- coding: utf-8 -*- /* Plugin Name: Enable Custom Fields per Default Version: 1.0 Required: 3.1 Author: Thomas Scholz Author URI: http://toscho.de … Read more
I changed my mind about “Most important: in the hook for validating updates, set-screen-option, pass the $value back if your plugin does not recognize the $option ! It’s probably for another plugin!” It’s better to go with what the hook suggest and send back $status (which is false) if you don’t know the $option. To … Read more
Whenever we find ourselves in the situation “there must be a way to overcome this hard-code“, jQuery comes to rescue… The Result The Code The following code must be pasted at the end of the active Theme functions.php file. Or it can be used in a custom plugin, which will make the code “theme-independent”. add_action(‘admin_head-index.php’, … Read more
What you need is to modify the $columns variable that is used during list display which you can modify using the ‘manage_posts_columns’ and ‘manage_pages_columns’ hooks for post_type=”post” and post_type=”page”, respectively. If you want to ignore custom post types you can inspect the 2nd parameter passed to ‘manage_posts_columns’ as I did in my example to show … Read more
Another option is to toggle the CSS Classes checkbox under screen option, WP Admin > Appearance > Menus, and attach the icon to a CSS class. And add your icons using psuedo selectors to the CSS class.
For WordPress 3.5+, adding remove_action( ‘welcome_panel’, ‘wp_welcome_panel’ ); to your functions.php removes the Welcome Panel from the Dashboard as well as its Screen Options menu. See http://codex.wordpress.org/Plugin_API/Action_Reference/welcome_panel.
There are several plugins that can do that: Adminimize, you can remove it even on role base Admin Trim Menu
What you need is in global $wp_meta_boxes indexed by get_current_screen()->id. Removing the screen options will also remove the metaboxes which you can do just before screen options are displayed using the ‘in_admin_header’ hook. So let’s assume you want to get rid of the “Send Trackbacks” screen option which you see in this screenshot: Drop the … Read more
You don’t need to invent a new screen option row. Just use proper metaboxes. Currently, you are drawing pseudo-metaboxes: <!– Post status start–> <div class = “postbox”> <div class = “handlediv”> <br> </div> <h3 class = “hndle”><span><?php _e(“By Post Status”, ‘bulk-delete’); ?></span></h3> <div class = “inside”> <h4><?php _e(“Select the posts which you want to delete”, … Read more
Go to Screen Options at the top, and change the number to something like 200. I don’t think it will survive much more than that.