Gravity Forms Toolbar v1.4.0 or higher -- hooks, filters and constants for customizing and branding.

gravity-forms-toolbar-snippets.php

<?php

/** --> Do NOT include the opening php tag! <-- */


// since plugin version v1.4.0:

// Hooks:

add_action( 'gftb_custom_group_items', 'gftb_custom_additional_group_item' );
/**
 * Gravity Forms Toolbar: Custom Resource Group Items
 *
 * @global mixed $wp_admin_bar
 */
function gftb_custom_additional_group_item() {

	global $wp_admin_bar;

	$wp_admin_bar->add_menu( array(
		'parent' => 'ddw-gravityforms-gfgroup',
		'id'     => 'your-unique-item-id',
		'title'  => __( 'Custom Menu Item Name', 'your-textdomain' ),
		'href'   => 'http://deckerweb.de/',
		'meta'   => array( 'title' => __( 'Custom Menu Item Name Tooltip', 'your-textdomain' ) )
	) );
}

/**
 * The same way you can use the other hooks for adding new items:
 * Main section:        'gftb_custom_main_items'
 * Extensions section:  'gftb_custom_extension_items'
 */

// Filters:

/** Capability filters & helper functions */
add_filter( 'gftb_filter_capability_all', '__gftb_admin_only' );
add_filter( 'gftb_filter_capability_all', '__gftb_role_editor' );
add_filter( 'gftb_filter_capability_all', '__gftb_cap_manage_options' );
add_filter( 'gftb_filter_capability_all', '__gftb_cap_install_plugins' );
add_filter( 'gftb_filter_capability_all', '__gftb_cap_activate_plugins' );
add_filter( 'gftb_filter_capability_all', '__gftb_cap_edit_theme_options' );

add_filter( 'gftb_filter_capability_all', 'custom_gftb_capability_all' );
/**
 * Gravity Forms Toolbar: Change Main Capability
 */
function custom_gftb_capability_all() {
	return 'switch_themes';
}

add_filter( 'gftb_filter_main_icon', 'custom_gftb_main_icon' );
/**
 * Gravity Forms Toolbar: Change Main Icon
 */
function custom_gftb_main_icon() {
	return get_stylesheet_directory_uri() . '/images/custom-icon.png';
}

/** 8 Colored Icon filters & helper functions */
add_filter( 'gftb_filter_main_icon', '__gftb_blue_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_lightgreen_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_lightgrey_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_orange_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_pink_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_red_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_turquoise_icon' );
add_filter( 'gftb_filter_main_icon', '__gftb_yellow_icon' );

/**
 * Custom Icon filter & helper function
 * via theme/child theme "images" folder (file: icon-gftb.png)
 */
add_filter( 'gftb_filter_main_icon', '__gftb_theme_images_icon' );

add_filter( 'gftb_filter_main_icon_display', 'custom_gftb_main_icon_display_class' );
/**
 * Gravity Forms Toolbar: Change Main Icon CSS Class
 */
function custom_gftb_main_icon_display_class() {
	return 'your-custom-icon-class';
}

/** Remove main icon completely */
add_filter( 'gftb_filter_main_icon_display', '__gftb_no_icon_display' );

add_filter( 'gftb_filter_main_item', 'custom_gftb_main_item' );
/**
 * Gravity Forms Toolbar: Change Main Item Name
 */
function custom_gftb_main_item() {
	return __( 'Your custom main item title', 'your-textdomain' );
}

add_filter( 'gftb_filter_main_item_tooltip', 'custom_gftb_main_item_tooltip' );
/**
 * Gravity Forms Toolbar: Change Main Item Name's Tooltip
 */
function custom_gftb_main_item_tooltip() {
	return __( 'Your custom main item title tooltip', 'your-textdomain' );
}

// Constants:

/** Gravity Forms Toolbar: Remove Add-On Items */
define( 'GFTB_ADDONS_DISPLAY', FALSE );

/** Gravity Forms Toolbar: Remove Extensions Items */
define( 'GFTB_EXTENSIONS_DISPLAY', FALSE );

/** Gravity Forms Toolbar: Remove Resource Items */
define( 'GFTB_RESOURCES_DISPLAY', FALSE );

/** Gravity Forms Toolbar: Remove German Language Items */
define( 'GFTB_DE_DISPLAY', FALSE );

/** Gravity Forms Toolbar: Remove Dutch Language Items */
define( 'GFTB_NL_DISPLAY', FALSE );

/** Gravity Forms Toolbar: Remove Spanish Language Items */
define( 'GFTB_ES_DISPLAY', FALSE );

/** Gravity Forms Toolbar: Remove all items for "Editor" user role */
if ( current_user_can( 'editor' ) ) {
	define( 'GFTB_DISPLAY', FALSE );
}

/** Gravity Forms Toolbar: Remove all items for user ID 2 */
if ( 2 == get_current_user_id() ) {
	define( 'GFTB_DISPLAY', FALSE );
}

/** Gravity Forms Toolbar: Remove all items from frontend */
if ( ! is_admin() ) {
	define( 'GFTB_DISPLAY', FALSE );
}

/** Gravity Forms Toolbar: Remove all items */
define( 'GFTB_DISPLAY', FALSE );

Note: The above codes work with plugin version 1.4.0 or higher!

Extended explanation can be found at the plugin's page "FAQ" section at the bottom:
http://wordpress.org/plugins/gravity-forms-toolbar/faq/

Download "Gravity Forms Toolbar" plugin at wordpress.org:
http://wordpress.org/plugins/gravity-forms-toolbar/