simple-map.php

<?php
/**
 * Plugin Name: Simple Map
 * Author: Takayuki Miyauchi
 * Plugin URI: https://github.com/miya0001/simple-map
 * Description: Insert google map convert from address.
 * Version: 4.9.0
 * Author URI: http://wpist.me/
 * Text Domain: simple-map
 * Domain Path: /languages
 * @package Simple Map
 */

$simplemap = new Simple_Map();

/**
 * Class Simple_Map
 */
class Simple_Map {


	/**
	 * Shortcode tag name.
	 * @var string
	 */
	private $shortcode_tag  = 'map';

	/**
	 * Default class name.
	 * @var string
	 */
	private $class_name     = 'simplemap';

	/**
	 * Default map width.
	 * @var string
	 */
	private $width          = '100%';

	/**
	 * Default map height.
	 * @var string
	 */
	private $height         = '200px';

	/**
	 * Default map zoom value.
	 * @var int
	 */
	private $zoom           = 16;

	/**
	 * Default map box break point.
	 * @var int
	 */
	private $breakpoint     = 480;

	/**
	 * Default mab box max break point.
	 * @var int
	 */
	private $max_breakpoint = 640;

	/**
	 * Simple_Map constructor.
	 */
	function __construct() {

		add_action( 'init', array( $this, 'init' ) );
	}

	/**
	 * Init function.
	 */
	public function init() {

		add_action( 'wp_head', array( $this, 'wp_head' ) );
		add_shortcode( $this->get_shortcode_tag(), array( $this, 'shortcode' ) );
		add_action( 'admin_menu', array( $this, 'admin_menu' ) );
		add_action( 'admin_init', array( $this, 'settings_init' ) );
		add_action( 'admin_init', array( $this, 'load_textdomain' ) );

        $apikey = $this->get_api_key();

		if ( ! isset( $apikey ) || empty( $apikey ) ) {
			add_action( 'admin_notices', array( $this, 'admin_notice__error' ) );
		}

		wp_embed_register_handler(
			'google-map',
			'#( https://( www|maps ).google.[a-z]{2,3}\.?[a-z]{0,3}/maps( /ms )?\?.+ )#i',
			array( &$this, 'oembed_handler' )
		);
	}

	/**
	 * Oembed.
	 *
	 * @param object $match url.
	 *
	 * @return string
	 */
	public function oembed_handler( $match ) {

		return sprintf(
			'[%s url="%s"]',
			$this->get_shortcode_tag(),
			esc_url( $match[0] )
		);
	}

	/**
	 * Output header style and scripts.
	 */
	public function wp_head() {

		echo "<style>.simplemap img{max-width:none !important;padding:0 !important;margin:0 !important;}.staticmap,.staticmap img{max-width:100% !important;height:auto !important;}.simplemap .simplemap-content{display:none;}</style>\n";

		$apikey = $this->get_api_key();

		if ( $apikey ) {
			printf(
				'<script>var google_map_api_key = "%s";</script>',
				esc_js( $apikey )
			);
		}
	}

	/**
	 * Enqueue scripts.
	 */
	public function wp_enqueue_scripts() {

		wp_register_script(
			'google-maps-api',
			$this->get_api_url(),
			false,
			null,
			true
		);

		wp_register_script(
			'simplemap',
			apply_filters(
				'simplemap_script',
				plugins_url( 'js/simple-map.min.js' , __FILE__ )
			),
			array( 'jquery', 'google-maps-api' ),
			filemtime( dirname( __FILE__ ).'/js/simple-map.min.js' ),
			true
		);
		wp_enqueue_script( 'simplemap' );
	}

	/**
	 * Output tags at footer.
	 * @param array $p Width,height,zoom.
	 * @param null  $content Content.
	 * @return string
	 */
	public function shortcode( $p, $content = null ) {

		add_action( 'wp_footer', array( &$this, 'wp_enqueue_scripts' ) );

		if ( isset( $p['width'] ) && preg_match( '/^[0-9]+(%|px)$/', $p['width'] ) ) {
			$w = $p['width'];
		} else {
			$w = apply_filters( 'simplemap_default_width', $this->width );
		}
		if ( isset( $p['height'] ) && preg_match( '/^[0-9]+(%|px)$/', $p['height'] ) ) {
			$h = $p['height'];
		} else {
			$h = apply_filters( 'simplemap_default_height', $this->height );
		}
		if ( isset( $p['zoom'] ) && intval( $p['zoom'] ) ) {
			$zoom = $p['zoom'];
		} else {
			$zoom = apply_filters( 'simplemap_default_zoom', $this->zoom );
		}
		if ( isset( $p['breakpoint'] ) && intval( $p['breakpoint'] ) ) {
			if ( intval( $p['breakpoint'] ) > $this->max_breakpoint ) {
				$breakpoint = $this->max_breakpoint;
			} else {
				$breakpoint = intval( $p['breakpoint'] );
			}
		} else {
			$breakpoint = apply_filters(
				'simplemap_default_breakpoint',
				$this->breakpoint
			);
		}
		if ( ! empty( $p['map_type_control'] ) ) {
			$map_type_control = 'true';
		} else {
			$map_type_control = 'false';
		}
		if ( ! empty( $p['map_type_id'] ) ) {
			$map_type_id = $p['map_type_id'];
		} else {
			$map_type_id = 'ROADMAP';
		}
		if ( $content ) {
			$content = do_shortcode( $content );
		}
		if ( isset( $p['infowindow'] ) && $p['infowindow'] ) {
			$infowindow = $p['infowindow'];
		} else {
			$infowindow = apply_filters( 'simplemap_default_infowindow', 'close' );
		}

		$addr = '';
		$lat  = '';
		$lng  = '';

		if ( isset( $p['url'] ) && $p['url'] ) {
			$iframe = '<iframe width="%s" height="%s" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="%s"></iframe>';

			return sprintf(
				$iframe,
				$w,
				$h,
				esc_url( $p['url'].'&output=embed' )
			);
		} elseif ( isset( $p['lat'] ) && preg_match( '/^\-?[0-9\.]+$/', $p['lat'] )
		           && isset( $p['lng'] ) && preg_match( '/^\-?[0-9\.]+$/', $p['lng'] ) ) {
			$lat = $p['lat'];
			$lng = $p['lng'];
		} elseif ( isset( $p['addr'] ) && $p['addr'] ) {
			if ( $content ) {
				$addr = $p['addr'];
			} else {
				$content = $p['addr'];
			}
		} elseif ( ! $content ) {
			return "";
		}
		return sprintf(
			'<div class="%1$s"><div class="%1$s-content" data-breakpoint="%2$s" data-lat="%3$s" data-lng="%4$s" data-zoom="%5$s" data-addr="%6$s" data-infowindow="%7$s" data-map-type-control="%8$s" data-map-type-id="%9$s" style="width:%10$s;height:%11$s;">%12$s</div></div>',
			esc_attr( apply_filters( 'simplemap_class_name', $this->class_name ) ),
			esc_attr( $breakpoint ),
			esc_attr( $lat ),
			esc_attr( $lng ),
			esc_attr( $zoom ),
			esc_attr( $addr ),
			esc_attr( $infowindow ),
			esc_attr( $map_type_control ),
			esc_attr( $map_type_id ),
			esc_attr( $w ),
			esc_attr( $h ),
			esc_html( trim( $content ) )
		);
	}

	/**
	 * Get shortcode tag.
	 *
	 * @return mixed
	 */
	private function get_shortcode_tag() {

		return apply_filters( 'simplemap_shortcode_tag', $this->shortcode_tag );
	}

	/**
	 * @return string
	 */
	private function get_api_key() {
		if ( defined( 'GOOGLE_MAP_API_KEY' ) && GOOGLE_MAP_API_KEY ) {
			return GOOGLE_MAP_API_KEY;
		} else {
			$option = get_option( 'simple_map_settings' );
			if ( trim( $option['api_key_field'] ) ) {
			    return trim( $option['api_key_field'] );
            }
		}

		return "";
    }

	/**
	 * Load textdomain.
	 */
	public function load_textdomain() {

		load_plugin_textdomain(
			'simple-map',
			false,
			plugin_basename( dirname( __FILE__ ) ) . '/languages'
		);

	}


	/**
	 * Get API key.
	 *
	 * @return string $url Map API key.
	 */
	public function get_api_url() {
		$apikey = $this->get_api_key();
		$url = esc_url( '//maps.google.com/maps/api/js?key=' . $apikey );

		return $url;
	}

	/**
	 * Sanitize api_key_field.
	 *
	 * @param string $input API key strings.
	 *
	 * @return array
	 */
	public function data_sanitize( $input ) {

		$new_input = array();
		$api_key = isset( $input['api_key_field'] ) ? $input['api_key_field'] : '';

		if ( ! empty( $api_key ) ) {

			if ( strlen( $api_key ) === mb_strlen( $api_key ) ) {

				$new_input['api_key_field'] = esc_attr( $api_key );

			} else {

				add_settings_error(
					'simple_map_settings',
					'api_key_field',
					esc_html__( 'Check your API key.', 'simple-map' ),
					'error'
				);
				$new_input['api_key_field'] = '';

			}
		} else {

			add_settings_error(
				'simple_map_settings',
				'api_key_field',
				esc_html__( 'Check your API key.', 'simple-map' ),
				'error'
			);

			$new_input['api_key_field'] = '';

		}

		return $new_input;

	}


	/**
	 * Admin notice.
	 */
	public function admin_notice__error() {

		$class = 'notice notice-warning is-dismissible';
		$link  = sprintf(
			'<a href="%1$s">%2$s</a>',
			admin_url( 'options-general.php?page=simple_map' ),
			esc_html__( 'Settings page', 'simple-map' )
		);
		$message = sprintf(
			__( 'Simple Map, you need an API key. Please move to the %1$s.', 'simple-map' ),
			$link
		);
		printf( '<div class="%1$s"><p>%2$s</p></div>', esc_attr( $class ), $message );

	}

	/**
	 * Add admin menu.
	 */
	public function admin_menu() {

		add_options_page(
			'Simple Map',
			'Simple Map',
			'manage_options',
			'simple_map',
			array( $this, 'simple_map_options_page' )
		);

	}

	/**
	 * Register settings.
	 */
	public function settings_init() {

		register_setting(
			'simplemappage',
			'simple_map_settings',
			array( $this, 'data_sanitize' )
		);

		add_settings_section(
			'simple_map_settings_section',
			esc_html__( 'Simple Map settings', 'simple-map' ),
			array( $this, 'simple_map_settings_section_callback' ),
			'simplemappage'
		);

		add_settings_field(
			'api_key_field',
			esc_html__( 'Set API Key', 'simple-map' ),
			array( $this, 'api_key_field_render' ),
			'simplemappage',
			'simple_map_settings_section'
		);

	}

	/**
	 * Add description of Post Notifier.
	 */
	public function simple_map_settings_section_callback() {

		echo esc_html__( 'Set your Google Maps API key.', 'simple-map' );

	}

	/**
	 * Output text field.
	 */
	public function api_key_field_render() {

		printf(
		        '<input type="text" name="simple_map_settings[api_key_field]" value="%s" size="30">',
                esc_attr( $this->get_api_key() )
        );
	}

	/**
	 * Output Simple Map page form.
	 */
	public function simple_map_options_page() {

		?>
		<form action='options.php' method='post'>

		<?php
			settings_fields( 'simplemappage' );
			do_settings_sections( 'simplemappage' );

			submit_button();

			/*
			 * API key obtaining method.
			 */
			$maps_api_for_web_link = sprintf(
				'%1$s<a href="https://developers.google.com/maps/web/">%2$s</a>',
				esc_html__( 'Go to ', 'simple-map' ),
				esc_html__( 'Google Maps APIs for Web page.' )
			);

			$get_key_text    = esc_html__( 'Click "GET A KEY" button', 'simple-map' );
			$continue_text   = esc_html__( 'Click "CONTINUE" button', 'simple-map' );
			$set_domain_text = esc_html__( 'Add your domain.', 'simple-map' );

			$html  = '';
			$html .= '<h2>' . esc_html__( 'How to get API key?', 'simple-map' ) . '</h2>';
			$html .= '<ol>';
			$html .= '<li>' . $maps_api_for_web_link . '</li>';
			$html .= '<li>' . $get_key_text . '<p><img style="width: 80%;" src="' . plugin_dir_url( __FILE__ ) . 'images/001.png"></p></li>';
			$html .= '<li>' . $continue_text . '<p><img style="width: 80%;" src="' . plugin_dir_url( __FILE__ ) . 'images/002.png"></p></li>';
			$html .= '<li>' . $continue_text . '<p><img style="width: 80%;" src="' . plugin_dir_url( __FILE__ ) . 'images/003.png"></p></li>';
			$html .= '<li>' . $set_domain_text . '<p><img style="width: 80%;" src="' . plugin_dir_url( __FILE__ ) . 'images/004.png"></p></li>';
			$html .= '</ol>';

			echo $html;

		?>

		</form>
		<?php

	}
} // end class