wp-web-maps.php

<?php

/**
 * Plugin Name: WP Web Maps
 * Plugin URI: https://wordpress.org/plugins/wp-web-maps/
 * Description: A plugin for creating a Leaflet JS map with a shortcode..
 * Author: pjhooker
 * Author URI: https://www.cityplanner.biz/
 * Text Domain: wp-web-maps
 * Version: 0.1.3
 * License: GPL2
 * Leaflet Map is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * any later version.
 *  
 * Leaflet Map is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *  
 * You should have received a copy of the GNU General Public License
 * along with Leaflet Map.
 */

define('WPWEBMAPS_PLUGIN_VERSION', '0.2.0');
define('WPWEBMAPS_PLUGIN_FILE', __FILE__);
define('WPWEBMAPS_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('WPWEBMAPS_PLUGIN_URL', plugins_url('/', __FILE__));

/**
* Add actions and filters
*/
//init_hooks
// register shortcode
add_shortcode('webmap', 'wpwebmaps_shortcode');

add_action( 'wp_enqueue_scripts','wpwebmaps_enqueue_and_register');

// 3 wp_loaded >> After WordPress is fully loaded
add_action('wp_head', 'wpwebmaps_inline_start');

/**
* Enqueue and register styles and scripts (called in __construct)
*/

if ( ! function_exists( 'wpwebmaps_enqueue_and_register' ) ) {
	function wpwebmaps_enqueue_and_register(){
		$wpwebmaps_options = get_option( 'wpwebmaps_option_name' );
		$js_url = WPWEBMAPS_PLUGIN_URL.'vendor/leaflet.js';
		$css_url = WPWEBMAPS_PLUGIN_URL.'vendor/leaflet.css';
		$apiGoogle='https://maps.googleapis.com/maps/api/js?key='.html_entity_decode($wpwebmaps_options['google_api_0']).'';
		$jsGMutant_url = WPWEBMAPS_PLUGIN_URL.'vendor/Leaflet.GoogleMutant.js';
	
		wp_register_style('leaflet_stylesheet', $css_url, Array(), null, false);
		wp_enqueue_style('leaflet_stylesheet');
		wp_register_script('leaflet_js', $js_url, Array(), null, true);
		wp_enqueue_script('leaflet_js');
		wp_register_script('google_api', $apiGoogle, Array(), null, true);
		wp_enqueue_script('google_api');		
		wp_register_script('leaflet_gmutant_js', $jsGMutant_url, Array(), null, true);
		wp_enqueue_script('leaflet_gmutant_js');
	
	}
}


// function that runs when shortcode is called
if ( ! function_exists( 'wpwebmaps_shortcode' ) ) {
	function wpwebmaps_shortcode($atts) { 
		//extract(shortcode_atts(array('wpwebmapsID' => 1,), $atts));
		// Things that you want to do. 
		$custom_html = '<div id="mapid" style="height: 400px;" wpwebmapsID="'.$atts['wpwebmapsid'].'"></div>'; 
		$wpwebmaps_ID =  $atts['wpwebmapsid'];
		$jscode = get_post_meta( $wpwebmaps_ID, '_wpwebmaps_cf_' . 'custom-js-code', true );
		wp_add_inline_script( 'leaflet_gmutant_js', '
			//wp-web-map ID: '.$wpwebmaps_ID.'
			'.$jscode.'');
		// Output needs to be return
		return $custom_html;
	} 
}

if ( ! function_exists( 'wpwebmaps_inline_start' ) ) {
	function wpwebmaps_inline_start(){
		$wpwebmaps_options = get_option( 'wpwebmaps_option_name' );
		wp_add_inline_script( 'leaflet_gmutant_js', '
			var mymap = L.map(\'mapid\').setView([51.505, -0.09], 13);
			var googleLayer = L.gridLayer.googleMutant({
				type: \'roadmap\',
				styles: [
					{
						"featureType": "landscape.man_made",
						"elementType": "geometry.fill",
						"stylers": [
							{
								"saturation": -15
							},
							{
								"lightness": -25
							},
							{
								"weight": 3
							}
						]
					},
					{
						"featureType": "landscape.man_made",
						"elementType": "geometry.stroke",
						"stylers": [
							{
								"weight": 2
							}
						]
					},
					{
						"featureType": "poi",
						"stylers": [
							{
								"visibility": "off"
							}
						]
					}
				]    
			});
			googleLayer.addTo(mymap);			
		');

	}
}

/**
 * Generated by the WordPress Option Page generator
 * at http://jeremyhixon.com/wp-tools/option-page/
 */

 class WPWebMaps {
	private $wpwebmaps_options;

	public function __construct() {
		add_action( 'admin_menu', array( $this, 'wpwebmaps_add_plugin_page' ) );
		add_action( 'admin_init', array( $this, 'wpwebmaps_page_init' ) );
	}

	public function wpwebmaps_add_plugin_page() {
		add_menu_page(
			'WP Web Maps', // page_title
			'WP Web Maps', // menu_title
			'manage_options', // capability
			'wp-web-maps', // menu_slug
			array( $this, 'wpwebmaps_create_admin_page' ), // function
			'dashicons-location', // icon_url
			81 // position
		);
	}

	public function wpwebmaps_create_admin_page() {
		$this->wpwebmaps_options = get_option( 'wpwebmaps_option_name' ); ?>

		<div class="wrap">
			<h2>WP Web Maps</h2>
			<p>In this page you can choose Google API key. More settings, coming soon!</p>
			<?php settings_errors(); ?>

			<form method="post" action="options.php">
				<?php
					settings_fields( 'wpwebmaps_option_group' );
					do_settings_sections( 'wp-web-maps-admin' );
					submit_button();
				?>
			</form>
		</div>
	<?php }

	public function wpwebmaps_page_init() {
		register_setting(
			'wpwebmaps_option_group', // option_group
			'wpwebmaps_option_name', // option_name
			array( $this, 'wpwebmaps_sanitize' ) // sanitize_callback
		);

		add_settings_section(
			'wpwebmaps_setting_section', // id
			'Settings', // title
			array( $this, 'wpwebmaps_section_info' ), // callback
			'wp-web-maps-admin' // page
		);

		add_settings_field(
			'google_api_0', // id
			'Google API', // title
			array( $this, 'google_api_0_callback' ), // callback
			'wp-web-maps-admin', // page
			'wpwebmaps_setting_section' // section
		);

	}

	public function wpwebmaps_sanitize($input) {
		$sanitary_values = array();
		if ( isset( $input['google_api_0'] ) ) {
			$sanitary_values['google_api_0'] = esc_textarea( $input['google_api_0'] );
		}

		return $sanitary_values;
	}

	public function wpwebmaps_section_info() {
		
	}

	public function google_api_0_callback() {
		printf(
			'<textarea class="large-text" rows="5" name="wpwebmaps_option_name[google_api_0]" id="google_api_0">%s</textarea>
				<br>Get your code via Google API Console',
			isset( $this->wpwebmaps_options['google_api_0'] ) ? esc_attr( $this->wpwebmaps_options['google_api_0']) : ''
		);
	}

}
if ( is_admin() )
	$wpwebmaps = new WPWebMaps();

/* 
 * Retrieve this value with:
 * $wpwebmaps_options = get_option( 'wpwebmaps_option_name' ); // Array of All Options
 * $google_api_0 = $wpwebmaps_options['google_api_0']; // Google API
 */

// Our custom post type function
function wpwebmaps_create_posttype() {
 
	register_post_type( 'webmaps',
	// CPT Options
			array(
					'labels' => array(
							'name' => __( 'Web Maps' ),
							'singular_name' => __( 'Web Map' )
					),
					'public' => true,
					'has_archive' => true,
					'rewrite' => array('slug' => 'webmaps'),
					'show_in_rest' => true,

			)
	);
}
// Hooking up our function to theme setup
add_action( 'init', 'wpwebmaps_create_posttype' );

if ( !class_exists('wpwebmaps_CF') ) {
 
	class wpwebmaps_CF {
			/**
			* @var  string  $prefix  The prefix for storing custom fields in the postmeta table
			*/
			var $prefix = '_wpwebmaps_cf_';
			/**
			* @var  array  $postTypes  An array of public custom post types, plus the standard "post" and "page" - add the custom types you want to include here
			*/
			var $postTypes = array( "webmaps" );

		/**
		* @var  array  $customFields  Defines the custom fields available
		*/
		var $customFields = array(
			array(
					"name"          => "custom-js-code",
					"title"         => "Custom JS code",
					"description"   => "",
					"type"          => "textarea",
					"scope"         =>   array( "post","webmaps" ),
					"capability"    => "edit_pages"
			),
		);
		/**
		* PHP 4 Compatible Constructor
		*/
		function wpwebmaps_CF() { $this->__construct(); }
		/**
		* PHP 5 Constructor
		*/
		function __construct() {
				add_action( 'admin_menu', array( &$this, 'wpwebmaps_createCF' ) );
				add_action( 'save_post', array( &$this, 'wpwebmaps_saveCF' ), 1, 2 );
				// Comment this line out if you want to keep default custom fields meta box
				add_action( 'do_meta_boxes', array( &$this, 'wpwebmaps_removeDefaultCF' ), 10, 3 );
		}
		/**
		* Remove the default Custom Fields meta box
		*/
		function wpwebmaps_removeDefaultCF( $type, $context, $post ) {
				foreach ( array( 'normal', 'advanced', 'side' ) as $context ) {
						foreach ( $this->postTypes as $postType ) {
								remove_meta_box( 'postcustom', $postType, $context );
						}
				}
		}
		/**
		* Create the new Custom Fields meta box
		*/
		function wpwebmaps_createCF() {
			if ( function_exists( 'add_meta_box' ) ) {
				foreach ( $this->postTypes as $postType ) {
					add_meta_box( 'wpwebmaps-custom-fields', 'Custom Map', array(&$this,'wpwebmaps_displayCF') , $postType, 'normal', 'high' );
				}
			}
		}

		/**
		* Display the new Custom Fields meta box
		*/
		function wpwebmaps_displayCF() {

			global $post;
			?>
			<div class="form-wrap">
					<?php
					wp_nonce_field( 'wpwebmaps-custom-fields', 'wpwebmaps-custom-fields_wpnonce', false, true );
					//echo "Here5";
					//print_r($this->customFields);
					//exit;
					foreach ( $this->customFields as $customField ) {
							// Check scope
							$scope = $customField[ 'scope' ];
							$output = false;
							foreach ( $scope as $scopeItem ) {
									switch ( $scopeItem ) {
											default: {
													if ( $post->post_type == $scopeItem )
															$output = true;
													break;
											}
									}
									if ( $output ) break;
							}
							// Check capability
							if ( !current_user_can( $customField['capability'], $post->ID ) )
								$output = false;	

							// Output if allowed
							if ( $output ) { ?>
								<div class="form-field form-required">
										<?php
										switch ( $customField[ 'type' ] ) {
												case "textarea":{
														// Plain text field
														echo '<label for="' . $this->prefix . $customField[ 'name' ] .'"><b>' . $customField[ 'title' ] . '</b> (For complete instruction view this page <a href="https://www.cityplanner.biz/wp-web-maps/">WP Web Maps</a>)</label>';
														echo '<textarea  rows="20" name="' . $this->prefix . $customField[ 'name' ] . '" id="' . 
															$this->prefix . $customField[ 'name' ] . '" >' . 
															htmlspecialchars( get_post_meta( $post->ID, $this->prefix . $customField[ 'name' ], true ) ) . '</textarea>';
														break;
												}
												default: {
														// Plain text field
														echo '<label for="' . $this->prefix . $customField[ 'name' ] .'"><b>' . $customField[ 'title' ] . '</b></label>';
														echo '<input type="text" name="' . $this->prefix . $customField[ 'name' ] . '" id="' . $this->prefix . $customField[ 'name' ] . '" value="' . htmlspecialchars( get_post_meta( $post->ID, $this->prefix . $customField[ 'name' ], true ) ) . '" />';
														break;
												}
										}
										?>
										<?php if ( $customField[ 'description' ] ) echo '<p>' . $customField[ 'description' ] . '</p>'; ?>
							<?php
							}
							else{

							}
				} ?>
			</div>
			<?php
		}
		/**
		* Save the new Custom Fields values
		*/
		function wpwebmaps_saveCF( $post_id, $post ) {
			if ( !isset( $_POST[ 'wpwebmaps-custom-fields_wpnonce' ] ) || !wp_verify_nonce( $_POST[ 'wpwebmaps-custom-fields_wpnonce' ], 'wpwebmaps-custom-fields' ) )
					return;
			if ( !current_user_can( 'edit_post', $post_id ) )
					return;
			if ( ! in_array( $post->post_type, $this->postTypes ) )
					return;
			foreach ( $this->customFields as $customField ) {
					if ( current_user_can( $customField['capability'], $post_id ) ) {
							if ( isset( $_POST[ $this->prefix . $customField['name'] ] ) && trim( $_POST[ $this->prefix . $customField['name'] ] ) ) {
									$value = $_POST[ $this->prefix . $customField['name'] ];
									// Auto-paragraphs for any WYSIWYG
									if ( $customField['type'] == "wysiwyg" ) $value = wpautop( $value );
									update_post_meta( $post_id, $this->prefix . $customField[ 'name' ], $_POST[ $this->prefix . $customField['name'] ] );
							} else {
									delete_post_meta( $post_id, $this->prefix . $customField[ 'name' ] );
							}
					}
			}
		}

	} // End Class

} // End if class exists statement

// Instantiate the class
if ( class_exists('wpwebmaps_CF') ) {
	$wpwebmaps_CF_var = new wpwebmaps_CF();
}		
?>