Initial commit

functions/kirki/modules/icons/class-kirki-modules-icons.php

@@ -0,0 +1,104 @@
+<?php
+/**
+ * Try to automatically generate the script necessary for adding icons to panels & section
+ *
+ * @package     Kirki
+ * @category    Core
+ * @author      Ari Stathopoulos (@aristath)
+ * @copyright   Copyright (c) 2019, Ari Stathopoulos (@aristath)
+ * @license     https://opensource.org/licenses/MIT
+ * @since       3.0.0
+ */
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Adds scripts for icons in sections & panels.
+ */
+class Kirki_Modules_Icons {
+
+	/**
+	 * The object instance.
+	 *
+	 * @static
+	 * @access private
+	 * @since 3.0.0
+	 * @var object
+	 */
+	private static $instance;
+
+	/**
+	 * An array of panels and sections with icons.
+	 *
+	 * @static
+	 * @access private
+	 * @var string
+	 */
+	private static $icons = array();
+
+	/**
+	 * The class constructor.
+	 *
+	 * @access protected
+	 */
+	protected function __construct() {
+		add_action( 'customize_controls_enqueue_scripts', array( $this, 'customize_controls_enqueue_scripts' ), 99 );
+	}
+
+	/**
+	 * Gets an instance of this object.
+	 * Prevents duplicate instances which avoid artefacts and improves performance.
+	 *
+	 * @static
+	 * @access public
+	 * @since 3.0.0
+	 * @return object
+	 */
+	public static function get_instance() {
+		if ( ! self::$instance ) {
+			self::$instance = new self();
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * Adds icon for a section/panel.
+	 *
+	 * @access public
+	 * @since 3.0.0
+	 * @param string $id      The panel or section ID.
+	 * @param string $icon    The icon to add.
+	 * @param string $context Lowercase 'section' or 'panel'.
+	 */
+	public function add_icon( $id, $icon, $context = 'section' ) {
+		self::$icons[ $context ][ $id ] = trim( $icon );
+	}
+
+	/**
+	 * Format the script in a way that will be compatible with WordPress.
+	 */
+	public function customize_controls_enqueue_scripts() {
+		$sections = Kirki::$sections;
+		$panels   = Kirki::$panels;
+
+		// Parse sections and find ones with icons.
+		foreach ( $sections as $section ) {
+			if ( isset( $section['icon'] ) ) {
+				$this->add_icon( $section['id'], $section['icon'], 'section' );
+			}
+		}
+
+		// Parse panels and find ones with icons.
+		foreach ( $panels as $panel ) {
+			if ( isset( $panel['icon'] ) ) {
+				$this->add_icon( $panel['id'], $panel['icon'], 'panel' );
+			}
+		}
+
+		wp_enqueue_script( 'kirki_panel_and_section_icons', trailingslashit( Kirki::$url ) . 'modules/icons/icons.js', array( 'jquery', 'customize-base', 'customize-controls' ), KIRKI_VERSION, true );
+		wp_localize_script( 'kirki_panel_and_section_icons', 'kirkiIcons', self::$icons );
+	}
+}