<?php
/**
 * Plugin Name:		WP Dashboard Notes
 * Plugin URI:		https://wordpress.org/plugins/wp-dashboard-notes/
 * Description:		Working in a team? Want to make notes? You can do just that with WP Dashboard Notes. Create beautiful notes with a nice user experience.
 * Version:			1.0.10
 * Author:			Jeroen Sormani
 * Author URI:		https://jeroensormani.com/
 * Text Domain:		wp-dashboard-notes
 */

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
if ( ! is_admin() ) return; // Only load plugin when user is in admin

/**
 * Class WP_Dashboard_Notes.
 *
 * Main WPDN class initializes the plugin.
 *
 * @class		WP_Dashboard_Notes
 * @version		1.0.0
 * @author		Jeroen Sormani
 */
class WP_Dashboard_Notes {


	/**
	 * Plugin version number
	 *
	 * @since 1.0.3
	 * @var string $version Plugin version number.
	 */
	public $version = '1.0.10';


	/**
	 * Plugin file.
	 *
	 * @since 1.0.0
	 * @var string $file Plugin file path.
	 */
	public $file = __FILE__;


	/**
	 * Instance of WP_Dashboard_Notes.
	 *
	 * @since 1.0.0
	 * @access private
	 * @var object $instance The instance of WP_Dashboard_Notes.
	 */
	private static $instance;


	/**
	 * Constructor.
	 *
	 * @since 1.0.0
	 */
	public function __construct() {
		global $pagenow;

		// Only load on index
		if ( $pagenow === 'index.php' || defined( 'DOING_AJAX' ) && DOING_AJAX ) {
			$this->init();
			$this->hooks();
		}
	}


	/**
	 * Instance.
	 *
	 * An global instance of the class. Used to retrieve the instance
	 * to use on other files/plugins/themes.
	 *
	 * @since 1.0.0
	 *
	 * @return object Instance of the class.
	 */
	public static function instance() {

		if ( is_null( self::$instance ) ) :
			self::$instance = new self();
		endif;

		return self::$instance;

	}


	/**
	 * Init.
	 *
	 * Initiate plugin parts.
	 *
	 * @since 1.0.5
	 */
	public function init() {

		/**
		 * Post type class.
		 */
		require_once plugin_dir_path( __FILE__ ) . 'includes/class-note-post-type.php';
		$this->post_type = new Note_Post_Type();

		/**
		 * AJAX class.
		 */
		require_once plugin_dir_path( __FILE__ ) . 'includes/class-wpdn-ajax.php';
		$this->ajax = new WPDN_Ajax();

		/**
		 * Admin class.
		 */
		require_once plugin_dir_path( __FILE__ ) . 'includes/class-wpdn-admin.php';
		$this->admin = new WPDN_Admin();

	}


	/**
	 * Hooks.
	 *
	 * Init actions and filters.
	 *
	 * @since 1.0.5
	 */
	public function hooks() {

		// Add dashboard widget
		add_action( 'wp_dashboard_setup', array( $this, 'wpdn_init_dashboard_widget' ) );

		// Enqueue scripts
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );

		// Make URLs clickable
		add_action( 'wpdn_content', array( $this, 'wpdn_clickable_url' ) );

		// Load textdomain
		load_plugin_textdomain( 'wp-dashboard-notes', false, basename( dirname( __FILE__ ) ) . '/languages' );

	}


	/**
	 * Enqueue scripts.
	 *
	 * Enqueue Stylesheet and multiple javascripts.
	 *
	 * @since 1.0.0
	 */
	public function admin_enqueue_scripts() {
		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';

		// Javascript
		wp_localize_script( 'wpdn_admin_js', 'wpdn', array(
			'nonce' => wp_create_nonce( 'wpdn-ajax-nonce' ),
		) );
		wp_enqueue_script( 'wpdn_admin_js', plugin_dir_url( __FILE__ ) . 'assets/js/wp-dashboard-notes-admin' . $suffix . '.js', array( 'jquery', 'jquery-ui-sortable' ), $this->version );

		// Stylesheet
		wp_enqueue_style( 'wpdn_admin_css', plugin_dir_url( __FILE__ ) . 'assets/css/wp-dashboard-notes-admin.min.css', array( 'dashicons' ), $this->version );

	}


	/**
	 * Get notes.
	 *
	 * Returns all posts from DB with post type 'note'.
	 *
	 * @since 1.0.0
	 *
	 * @return array Array List of all published notes.
	 */
	public function wpdn_get_notes() {

		$notes = get_posts( array( 'posts_per_page' => '-1', 'post_type' => 'note' ) );

		return apply_filters( 'wpdn_notes', $notes );

	}


	/**
	 * Note meta.
	 *
	 * Return note meta selected by note id.
	 *
	 * @since 1.0.0
	 *
	 * @param  int   $note_id ID of the note.
	 * @return array          Note meta.
	 */
	public static function wpdn_get_note_meta( $note_id ) {

		$note_meta = get_post_meta( $note_id, '_note', true );

		$note_meta = wp_parse_args( $note_meta, array(
			'note_type'  => 'regular',
			'color'      => '#ffffff',
			'visibility' => 'public',
			'color_text' => 'white',
		) );

		return apply_filters( 'wpdn_note_meta', $note_meta );

	}


	/**
	 * Initialize dashboard notes.
	 *
	 * Get all notes and initialize dashboard widgets.
	 *
	 * @since 1.0.0
	 */
	public function wpdn_init_dashboard_widget() {

		$notes = $this->wpdn_get_notes();

		foreach ( $notes as $note ) :

			$note_meta = $this->wpdn_get_note_meta( $note->ID );
			$user      = wp_get_current_user();

			// Skip if private
			if ( 'private' == $note_meta['visibility'] && $user->ID != $note->post_author ) :
				continue;
			endif;

			// Add widget
			wp_add_dashboard_widget(
				'note_' . $note->ID,
				'<span contenteditable="true" class="wpdn-title">' . $note->post_title . '</span><div class="wpdn-edit-title dashicons dashicons-edit"></div><span class="status"></span>',
				array( $this, 'wpdn_render_dashboard_widget' ),
				'',
				$note
			);

		endforeach;

	}


	/**
	 * Render dashboard widget.
	 *
	 * Load data and render the widget with the right colors.
	 *
	 * @since 1.0.0
	 *
	 * @param object $post Post object.
	 * @param array  $args Extra arguments.
	 */
	public function wpdn_render_dashboard_widget( $post, $args ) {

		$note      = $args['args'];
		$note_meta = $this->wpdn_get_note_meta( $note->ID );
		$content   = apply_filters( 'wpdn_content', $note->post_content );
		$colors    = apply_filters( 'wpdn_colors', array(
			'white'  => '#fff',
			'red'    => '#f7846a',
			'orange' => '#ffbd22',
			'yellow' => '#eeee22',
			'green'  => '#bbe535',
			'blue'   => '#66ccdd',
			'black'  => '#777777',
		) );

		// Inline styling required for note depending colors.
		?><style>
			#note_<?php echo $note->ID; ?> { background-color: <?php echo $note_meta['color']; ?>; }
			#note_<?php echo $note->ID; ?> .hndle { border: none; }
		</style>
		<script>
			jQuery( '.wp-dashboard-note-wrap.list-note' ).find( '.list-item input[type=checkbox] ~ span' ).attr( 'contenteditable', true ).addClass( 'list-item-content' );
		</script><?php

		if ( $note_meta['note_type'] == 'regular' ) :
			require plugin_dir_path( __FILE__ ) . 'includes/templates/note.php';
		else :
			require plugin_dir_path( __FILE__ ) . 'includes/templates/note-list.php';
		endif;

	}


	/**
	 * Clickable URL.
	 *
	 * Filter note content to make links clickable.
	 *
	 * @since 1.0.0
	 *
	 * @param  string $content Original content.
	 * @return string          Edited content.
	 */
	public function wpdn_clickable_url( $content ) {

		return make_clickable( $content );

	}


}


/**
 * The main function responsible for returning the WP_Dashboard_Notes object.
 *
 * Use this function like you would a global variable, except without needing to declare the global.
 *
 * Example: <?php WP_Dashboard_Notes()->method_name(); ?>
 *
 * @since 1.0.0
 *
 * @return object WP_Dashboard_Notes class object.
 */
if ( ! function_exists( 'WP_Dashboard_Notes' ) ) :

	function WP_Dashboard_Notes() {

		return WP_Dashboard_Notes::instance();

	}


endif;

WP_Dashboard_Notes();


// Backwards compatibility
$GLOBALS['wp_dashboard_notes'] = WP_Dashboard_Notes();
