Added "KINT ACTIVE" on admin bar.

assets/css/admin-bar.php

@@ -0,0 +1,32 @@
+<style type="text/css">
+	#wpadminbar {
+		background-color: %s !important;
+	}
+
+	#wp-admin-bar-environment-notice {
+		display: none;
+	}
+
+	#wpadminbar .ab-item,
+	#wpadminbar a.ab-item,
+	#wpadminbar > #wp-toolbar span.ab-label,
+	#wpadminbar > #wp-toolbar span.noticon,
+	.adminbar--environment-notice {
+		color: #fff;
+	}
+
+	@media only screen and ( min-width: 800px ) {
+		#wp-admin-bar-environment-notice {
+			display: block;
+		}
+
+		#wp-admin-bar-environment-notice .ab-item {
+			background-color: %s !important;
+		}
+
+		#wp-admin-bar-environment-notice:hover .ab-item {
+			background-color: %s !important;
+			color: #fff;
+		}
+	}
+</style>

config/admin-bar.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Admin Bar Runtime Configuration Parameters.
+ *
+ * @package     KnowTheCode\Kint_PHP_Debugger
+ * @since       1.2.1
+ * @author      hellofromTonya
+ * @link        https://wordpress.org/plugins/kint-php-debugger/
+ * @license     GNU-2.0+
+ */
+
+namespace KnowTheCode\Kint_PHP_Debugger;
+
+return array(
+	'message' => 'KINT ACTIVE',
+	'colors'  => array(
+		'admin_bar_background_color' => '#627f00',
+		'message_background_color'   => '#cb4b14',
+		'message_hover_color'        => '#1b202d',
+	),
+);

plugin.php

@@ -2,26 +2,39 @@
 /**
  * Kint PHP Debugger - a modern and powerful PHP debugging helper
  *
- * @package         Know_The_Code\Kint_PHP_Debugger
+ * @package         KnowTheCode\Kint_PHP_Debugger
  * @author          hellofromTonya
  * @license         dual license GPL-2.0+ & MIT (Kint is licensed MIT)
- * @link            https://knowthecode.io/
+ * @link            https://wordpress.org/plugins/kint-php-debugger/
  *
  * @wordpress-plugin
  * Plugin Name:     Kint PHP Debugger
  * Plugin URI:      https://github.com/KnowTheCode/kint-php-debugger
  * Description:     Kint is a a modern and powerful PHP debugging helper, which requires zero-setup and replaces var_dump(), print_r() and debug_backtrace().  This plugin is a wrapper for Kint.
- * Version:         1.2.0
+ * Version:         1.2.1
  * Author:          hellofromTonya
- * Author URI:      https://knowthecode.io/
+ * Author URI:      https://KnowTheCode.io/
  * Text Domain:     wpkint
  * Requires WP:     3.5
  * Requires PHP:    5.3
  */
-namespace Know_The_Code\Kint_PHP_Debugger;
+namespace KnowTheCode\Kint_PHP_Debugger;
 
-$pathto_kint = trailingslashit( __DIR__ ) . 'src/kint-php/kint/Kint.class.php';
+// Bail out if Kint already exists.
+if ( class_exists( 'Kint' ) ) {
+	return;
+}
 
-if ( ! class_exists( 'Kint' ) && is_readable( $pathto_kint ) ) {
-	require_once $pathto_kint;
+/**
+ * Gets the plugin's root directory.
+ *
+ * @since 1.2.1
+ *
+ * @return string
+ */
+function _get_plugin_root_dir() {
+	return __DIR__;
 }
+
+require_once __DIR__ . '/src/kint-php/kint/Kint.class.php';
+require_once __DIR__ . '/src/admin-color.php';

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://hellofromtonya.com
 Tags: debug, debugger, kint, var_dump, print_r, backtrace, trace, debug_backtrace
 Requires at least: 3.5
 Tested up to: 5.1
-Stable tag: 1.2.0
+Stable tag: 1.2.1
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -22,18 +22,18 @@ Some handy tools just for the PHP Developer:
 
 * `d( $var );` to render a collapsible UI container which displays your variable data in "the most informative way"
 * `ddd( $var );` same as d() except that it also executes `die()` to halt execution.
-See the [screenshot 1](http://wordpress.org/extend/plugins/kint-php-debugger/screenshots/) for more details.
 
-Here are some variations of d() to give you the display you want:
+Here are some variations of `d()` to give you the display you want:
 
-* '~d( $var );' outputs in plain text format.
-* '+d( $var );' disregards depth level limits and outputs everything
-* '!d( $var );' shows expanded rich output
-* '-d( $var );' attempts to ob_clean() the previous output (dump something inside of HTML)
+* `~d( $var );` outputs in plain text format.
+* `+d( $var );` disregards depth level limits and outputs everything
+* `!d( $var );` shows expanded rich output
+* `-d( $var );` attempts to ob_clean() the previous output (dump something inside of HTML)
 
 = Profiler =
 
 Kint even includes a naïve profiler, which can help you analyze which blocks of code take longer than others:
+
 `Kint::dump( microtime() ); // just pass microtime()
 sleep( 1 );
 Kint::dump( microtime(), 'after sleep(1)' );
@@ -42,6 +42,10 @@ ddd( microtime(), 'final call, after sleep(2)' );`
 
 See [screenshot 2](http://wordpress.org/extend/plugins/kint-php-debugger/screenshots/) for what is rendered out in your browser.
 
+== Admin Bar ==
+
+"KINT ACTIVE" indicator displays in the WordPress admin bar to alert you when the plugin is active.
+
 == Installation ==
 
 = From your WordPress dashboard =
@@ -83,10 +87,15 @@ Deactivate and delete this plugin.
 == Screenshots ==
 
 1. An example of what gets rendered in the browser when using 'd( $var )'.
-2. Profiler example from Kint.
+2. Profile example from Kint.
+3. "KINT ACTIVE" indicator in the WordPress admin bar.
 
 == ChangeLog ==
 
+= Version 1.2.1 =
+
+* Added "KINT ACTIVE" indicator to the WordPress admin bar to alert the plugin is activated.
+
 = Version 1.2.0 =
 
 * Excluded Composer files.

src/admin-color.php

@@ -0,0 +1,97 @@
+<?php
+/**
+ * Admin functions to change the look of the admin bar when this plugin
+ * is activated, i.e. to differentiate that we are in development mode.
+ *
+ * @package     KnowTheCode\Kint_PHP_Debugger
+ * @since       1.2.1
+ * @author      hellofromTonya
+ * @link        https://wordpress.org/plugins/kint-php-debugger/
+ * @license     GNU-2.0+
+ */
+
+namespace KnowTheCode\Kint_PHP_Debugger;
+
+add_filter( 'get_user_option_admin_color', __NAMESPACE__ . '\set_local_development_admin_color_scheme', 5 );
+/**
+ * Force different admin color scheme when this plugin is active.
+ *
+ * @since 1.2.1
+ *
+ * @return string
+ */
+function set_local_development_admin_color_scheme() {
+	return 'coffee';
+}
+
+add_action( 'admin_bar_menu', __NAMESPACE__ . '\add_admin_bar_notice', 9999 );
+/**
+ * Add an admin bar notice to alert user that they are in local development
+ * and this plugin is activated.
+ *
+ * @since 1.2.1
+ *
+ * @return void
+ */
+function add_admin_bar_notice() {
+	if ( ! is_admin_bar_showing() ) {
+		return;
+	}
+	global $wp_admin_bar;
+
+	$message = get_admin_bar_config( 'message' );
+
+	$admin_notice = array(
+		'parent' => 'top-secondary',
+		'id'     => 'environment-notice',
+		'title'  => sprintf( '<span class="adminbar--environment-notice">%s</span>', $message ),
+	);
+
+	$wp_admin_bar->add_menu( $admin_notice );
+}
+
+add_action( 'admin_head', __NAMESPACE__ . '\render_admin_bar_css', 9999 );
+add_action( 'wp_head', __NAMESPACE__ . '\render_admin_bar_css', 9999 );
+/**
+ * Render the admin bar CSS.
+ *
+ * @since 1.2.1
+ *
+ * @return void
+ */
+function render_admin_bar_css() {
+	if ( ! is_admin_bar_showing() ) {
+		return;
+	}
+
+	ob_start();
+
+	include _get_plugin_root_dir() . '/assets/css/admin-bar.php';
+
+	$css_pattern = ob_get_clean();
+
+	vprintf( $css_pattern, get_admin_bar_config( 'colors' ) );
+}
+
+/**
+ * Get the admin bar's runtime configuration parameter(s).
+ *
+ * @since 1.2.1
+ *
+ * @param string $parameter
+ *
+ * @return array|mixed
+ */
+function get_admin_bar_config( $parameter = '' ) {
+	static $config = array();
+
+	if ( ! $config ) {
+		$config = include _get_plugin_root_dir() . '/config/admin-bar.php';
+	}
+
+	if ( $parameter && isset( $config[ $parameter ] ) ) {
+		return $config[ $parameter ];
+	}
+
+	return $config;
+}