wpsf-framework.php

<?php
/*-------------------------------------------------------------------------------------------------
- This file is part of the WPSF package.                                                          -
- This package is Open Source Software. For the full copyright and license                        -
- information, please view the LICENSE file which was distributed with this                       -
- source code.                                                                                    -
-                                                                                                 -
- @package    WPSF                                                                                -
- @author     Varun Sridharan <varunsridharan23@gmail.com>                                        -
 -------------------------------------------------------------------------------------------------*/

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

/**
 * ------------------------------------------------------------------------------------------------
 * WordPress-Settings-Framework Framework
 * A Lightweight and easy-to-use WordPress Options Framework
 *
 * Copyright 2015 WordPress-Settings-Framework <info@wpsf.com>
 * This program 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
 * (at your option) any later version.
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 * ------------------------------------------------------------------------------------------------
 */
add_action( 'after_setup_theme', 'wpsf_framework_init' );
require_once plugin_dir_path( __FILE__ ) . '/wpsf-framework-path.php';


if ( ! function_exists( 'wpsf_registry' ) ) {
	/**
	 * @return null|\WPSFramework_Registry
	 */
	function wpsf_registry() {
		return WPSFramework_Registry::instance();
	}
}

if ( ! function_exists( 'wpsf_field_registry' ) ) {
	/**
	 * @return null|\WPSFramework_Field_Registry
	 */
	function wpsf_field_registry() {
		return WPSFramework_Field_Registry::instance();
	}
}

if ( ! function_exists( 'wpsf_template' ) ) {
	/**
	 * @param       $override_location
	 * @param       $template_name
	 * @param array $args
	 *
	 * @return bool
	 */
	function wpsf_template( $override_location, $template_name, $args = array() ) {
		if ( file_exists( $override_location . '/' . $template_name ) ) {
			$path = $override_location . '/' . $template_name;
		} elseif ( file_exists( WPSF_DIR . '/templates/' . $template_name ) ) {
			$path = WPSF_DIR . '/templates/' . $template_name;
		} else {
			return false;
		}

		extract( $args );
		include( $path );
		return true;
	}
}

if ( ! function_exists( 'wpsf_autoloader' ) ) {
	/**
	 * WPSF Autoloader Function to auto load required class files on the go.
	 *
	 * @param      $class
	 *
	 * @return bool
	 */
	function wpsf_autoloader( $class ) {
		if ( true === $class && true === class_exists( $class, false ) ) {
			return true;
		}

		if ( 0 === strpos( $class, 'WPSFramework_Option_' ) ) {
			$path = strtolower( substr( $class, 20 ) );
			wpsf_locate_template( 'fields/' . $path . '/' . $path . '.php' );
		} elseif ( 0 === strpos( $class, 'WPSFramework_' ) ) {
			$path  = strtolower( substr( str_replace( '_', '-', $class ), 13 ) );
			$path1 = WPSF_DIR . '/classes/' . $path . '.php';
			$path2 = WPSF_DIR . '/classes/core/' . $path . '.php';

			if ( file_exists( $path1 ) ) {
				include( $path1 );
			} elseif ( file_exists( $path2 ) ) {
				include( $path2 );
			}
		}
		return true;
	}
}

if ( ! function_exists( 'wpsf_framework_init' ) ) {
	/**
	 * Loads Basic Required WPSF Files
	 * Like Functions & base Classes
	 * And fires few hooks
	 *
	 * To Load VC Integration Please create a defined variable in WPSF_VC => true,
	 *
	 * @hook wpsf_framework_loaded
	 */
	function wpsf_framework_init() {
		if ( class_exists( 'WPSFramework' ) ) {
			return;
		}

		/**
		 * Include WPSF Required Default Functions
		 */
		require_once( WPSF_DIR . '/functions/fallback.php' );
		require_once( WPSF_DIR . '/functions/helpers.php' );
		require_once( WPSF_DIR . '/functions/actions.php' );
		require_once( WPSF_DIR . '/functions/enqueue.php' );
		require_once( WPSF_DIR . '/functions/sanitize.php' );
		require_once( WPSF_DIR . '/functions/validate.php' );

		if ( defined( 'WPSF_VC' ) && WPSF_VC === true ) {
			require_once( WPSF_DIR . '/functions/visual-composer.php' );
		}

		/**
		 * Include WPSF Required Default Classes
		 */
		require_once( WPSF_DIR . '/classes/core/registry.php' );
		require_once( WPSF_DIR . '/classes/core/field_registry.php' );
		require_once( WPSF_DIR . '/classes/core/abstract.php' );
		require_once( WPSF_DIR . '/classes/core/fields.php' );
		require_once( WPSF_DIR . '/classes/core/wpsf-ajax.php' );
		require_once( WPSF_DIR . '/classes/core/wpsf-query.php' );
		require_once( WPSF_DIR . '/classes/core/options.php' );

		spl_autoload_register( 'wpsf_autoloader' );
		wpsf_registry();
		wpsf_field_registry();

		add_action( 'widgets_init', 'wpsf_framework_widgets', 10 );
		do_action( 'wpsf_framework_loaded' );
	}
}

if ( ! function_exists( 'wpsf_framework_widgets' ) ) {
	/**
	 * loads WPSF - WP Widgets Integration.
	 */
	function wpsf_framework_widgets() {
		wpsf_locate_template( 'classes/widget.php' );
		do_action( 'wpsf_widgets' );
	}
}