Added [activities] shortcode

lib/LatestActivitiesShortcode.class.php

@@ -0,0 +1,28 @@
+<?php
+
+require_once WPSTRAVA_PLUGIN_DIR . 'lib/LatestActivities.class.php';
+
+class WPStrava_LatestActivitiesShortcode {
+	private static $add_script;
+
+	public static function init() {
+		add_shortcode( 'activities', array( __CLASS__, 'handler' ) );
+		add_action( 'wp_footer', array( __CLASS__, 'print_scripts' ) );
+	}
+
+	// Shortcode handler function
+	// [activities som=metric quantity=5 athlete_token=xxx|strava_club_id=yyy]
+	public static function handler( $atts ) {
+		self::$add_script = true;
+		return WPStava_LatestActivities::get_activities_html( $atts );
+	} // handler
+
+	public static function print_scripts() {
+		if ( self::$add_script ) {
+			wp_enqueue_style( 'wp-strava-style' );
+		}
+	}
+}
+
+// Initialize short code
+WPStrava_LatestActivitiesShortcode::init();