woocommerce-colors.php

<?php
/**
 * Plugin Name: WooCommerce Colors
 * Plugin URI: http://wordpress.org/plugins/woocommerce-colors/
 * Description: WooCommerce Colors.
 * Author: WooThemes
 * Author URI: https://woocommerce.com
 * Version: 1.1.0
 * License: GPLv2 or later
 * Text Domain: woocommerce-colors
 * Domain Path: languages/
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'WC_Colors' ) ) :

/**
 * WooCommerce Colors main class.
 */
class WC_Colors {

	/**
	 * Plugin version.
	 *
	 * @var string
	 */
	const VERSION = '1.1.0';

	/**
	 * Instance of this class.
	 *
	 * @var object
	 */
	protected static $instance = null;

	/**
	 * Initialize the plugin.
	 */
	private function __construct() {
		// Load plugin text domain
		add_action( 'init', array( $this, 'load_plugin_textdomain' ) );

		// Checks with WooCommerce is installed.
		if ( defined( 'WC_VERSION' ) && version_compare( WC_VERSION, '2.3', '>=' ) ) {
			$this->includes();
		} else {
			add_action( 'admin_notices', array( $this, 'woocommerce_missing_notice' ) );
		}
	}

	/**
	 * Return an instance of this class.
	 *
	 * @return object A single instance of this class.
	 */
	public static function get_instance() {
		// If the single instance hasn't been set, set it now.
		if ( null == self::$instance ) {
			self::$instance = new self;
		}

		return self::$instance;
	}

	/**
	 * Get assets url.
	 *
	 * @return string
	 */
	public static function get_assets_url() {
		return plugins_url( 'assets/', __FILE__ );
	}

	/**
	 * Load the plugin text domain for translation.
	 */
	public function load_plugin_textdomain() {
		$locale = apply_filters( 'plugin_locale', get_locale(), 'woocommerce-colors' );

		load_textdomain( 'woocommerce-colors', trailingslashit( WP_LANG_DIR ) . 'woocommerce-colors/woocommerce-colors-' . $locale . '.mo' );
		load_plugin_textdomain( 'woocommerce-colors', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
	}

	/**
	 * Includes.
	 */
	private function includes() {
		include_once 'includes/class-wc-colors-customizer.php';
	}

	/**
	 * Get the plugin options.
	 *
	 * @param  array $colors
	 *
	 * @return array
	 */
	public static function get_options( $colors ) {
		$colors = array_map( 'esc_attr', (array) $colors );

		// Defaults.
		if ( empty( $colors['primary'] ) ) {
			$colors['primary'] = '#a46497';
		}
		if ( empty( $colors['secondary'] ) ) {
			$colors['secondary'] = '#ebe9eb';
		}
		if ( empty( $colors['highlight'] ) ) {
			$colors['highlight'] = '#77a464';
		}
		if ( empty( $colors['warning'] ) ) {
			$colors['warning'] = '#00ffff';
		}
		if ( empty( $colors['content_bg'] ) ) {
			$colors['content_bg'] = '#ffffff';
		}
		if ( empty( $colors['subtext'] ) ) {
			$colors['subtext'] = '#777777';
		}

		return $colors;
	}

	/**
	 * Install method.
	 */
	public static function install() {
		// Get old frontend colors from WooCommerce core.
		$colors = get_option( 'woocommerce_frontend_css_colors' );

		if ( $colors ) {
			$colors = self::get_options( $colors );

			update_option( 'woocommerce_colors', $colors );

			// Compile the css.
			if ( ! class_exists( 'scssc' ) && ! class_exists( 'scss_formatter_nested' ) ) {
				include_once 'includes/libs/class-scss.php';
			}

			ob_start();
			include 'includes/views/scss.php';
			$scss = ob_get_clean();

			$compiler     = new scssc;
			$compiler->setFormatter( 'scss_formatter_compressed' );
			$compiled_css = $compiler->compile( trim( $scss ) );

			update_option( 'woocommerce_colors_css', $compiled_css );

			// Delete the old option.
			delete_option( 'woocommerce_frontend_css_colors' );

			// Remove the notice.
			$notices = array_diff( get_option( 'woocommerce_admin_notices', array() ), array( 'frontend_colors' ) );
			update_option( 'woocommerce_admin_notices', $notices );
		}
	}

	/**
	 * WooCommerce fallback notice.
	 *
	 * @return string
	 */
	public function woocommerce_missing_notice() {
		echo '<div class="error"><p>' . sprintf( __( 'WooCommerce Colors depends on the last version of %s or later to work!', 'woocommerce-colors' ), '<a href="http://www.woothemes.com/woocommerce/" target="_blank">' . __( 'WooCommerce 2.3', 'woocommerce-colors' ) . '</a>' ) . '</p></div>';
	}
}

// Plugin install.
register_activation_hook( __FILE__, array( 'WC_Colors', 'install' ) );

add_action( 'plugins_loaded', array( 'WC_Colors', 'get_instance' ) );

endif;