wpdk-wordpress-theme.php

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<?php
class WPDKWordPressTheme extends WPDKObject {

  public $__version = '0.9.1';

  public $plugin;

  public function __construct( WPDKWordPressPlugin $plugin = null ) {
    $this->plugin = $plugin;

    /* Before init */
    add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );

    /* Core actions */
    add_action( 'wp', array( $this, 'wp' ) );
    add_action( 'wp_head', array( $this, 'wp_head' ) );
    add_action( 'wp_footer', array( $this, 'wp_footer' ) );

    /* Add classes to body class. */
    add_filter( 'body_class', array( $this, '_body_class' ) );

    /* Scripts and styles. */
    add_action( 'wp_enqueue_scripts', array( $this, 'wp_enqueue_scripts' ) );

    /* Template loader */
    add_action( 'template_redirect', array( $this, 'template_redirect' ) );
    add_filter( 'template_include', array( $this, 'template_include' ) );
  }

  // -----------------------------------------------------------------------------------------------------------------
  // WordPress Hook
  // -----------------------------------------------------------------------------------------------------------------

  public function _body_class( $classes )
  {
    /* Auto insert the plugin slug in body class */
    if ( !is_null( $this->plugin ) ) {
      $classes[] = sprintf( ' %s-body', $this->plugin->slug );
    }
    return $classes;
  }

  // -----------------------------------------------------------------------------------------------------------------
  // Override
  // -----------------------------------------------------------------------------------------------------------------

  public function after_setup_theme()
  {
    /* To override */
  }

  public function template_redirect()
  {
    /* To override */
  }

  public function template_include( $template )
  {
    /* To override */
    return $template;
  }

  public function wp()
  {
    /* To override */
  }

  public function wp_head()
  {
    /* To override */
  }

  public function wp_footer()
  {
    /* To override */
  }

  public function wp_enqueue_scripts()
  {
    /* To override */
  }

}


/*
 * [DRAFT]
 *
 * THE FOLLOWING CODE IS A DRAFT. FEEL FREE TO USE IT TO MAKE SOME EXPERIMENTS, BUT DO NOT USE IT IN ANY CASE IN
 * PRODUCTION ENVIRONMENT. ALL CLASSES AND RELATIVE METHODS BELOW CAN CHNAGE IN THE FUTURE RELEASES.
 *
 */

class WPDKTheme extends WPDKObject {

  const DEFINES = 'wpx-defines.php';

  public $__version = '1.1.1';

  public $assetsURL;

  public $cssURL;

  public $imagesURL;

  public $javascriptURL;

  public $theme;

  public $path;

  public $classPath;

  private $_wpxThemeClassLoadingPath;

  public $setup;

  public function __construct( $file, $setup = false ) {

    if ( false == $setup ) {
      $this->setup = $setup = new WPDKThemeSetup();
    }
    $this->setup = apply_filters( 'wpdk_theme_setup-' . $file, $setup );

    /* Autoload. */
    $this->_wpxThemeClassLoadingPath = array();
    spl_autoload_extensions( '.php' ); // for faster execution
    spl_autoload_register( array( $this, 'autoloadEnvironment' ) );

    /* Path unix. */
    $this->path        = trailingslashit( dirname( $file ) );
    $this->classesPath = $this->path . 'classes/';

    /* URLs. */
    $this->url           = trailingslashit( get_template_directory_uri() );
    $this->assetsURL     = $this->url . 'assets/';
    $this->cssURL        = $this->assetsURL . 'css/';
    $this->imagesURL     = $this->assetsURL . 'images/';
    $this->javascriptURL = $this->assetsURL . 'js/';

    $theme_key         = basename( dirname( $file ) );
    $theme_directories = search_theme_directories();

    $theme_file = $theme_directories[$theme_key]['theme_file'];
    $theme_root = $theme_directories[$theme_key]['theme_root'];

    /* WP_Theme is a final class, so I must create a part object. */
    $this->theme = new WP_Theme( $theme_key, $theme_root );

    /* Loading constants defnies */
    $defines = trailingslashit( dirname( $file ) ) . self::DEFINES;
    if ( file_exists( $defines ) ) {
      require_once( $defines );
    }

    /* Register autoload classes */
    if ( method_exists( $this, 'registerClasses' ) ) {
      $this->registerClasses();
    }

    /* Avoid access to admin */
    add_action( 'admin_init', array( $this, 'admin_init' ) );

    /* Cleanup */
    add_action( 'init', array( $this, '_init' ) );

    /* Setup. */
    add_action( 'init', array( $this, 'init_theme' ) );

    /* Shortcodes. */
    add_action( 'init', array( $this, 'init_shortcode' ) );

    /* Ajax setup. */
    if ( wpdk_is_ajax() ) {
      add_action( 'init', array( $this, 'ajax' ) );
    }

    /* After setup. */
    add_action( 'after_setup_theme', array( $this, '_after_setup_theme' ) );
    add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );

    /* Add script and styles. */
    add_action( 'wp_enqueue_scripts', array( $this, 'wp_enqueue_scripts' ) );

    /* Head. */
    add_action( 'wp_head', array( $this, '_wp_head' ), 0 );
    add_action( 'wp_head', array( $this, 'wp_head' ) );

    /* Footer. */
    add_action( 'wp_footer', array( $this, 'wp_footer' ) );

    /* Add classes to body class. */
    add_filter( 'body_class', array( $this, '_body_classes' ) );

    /* Custom size */
    add_filter( 'image_size_names_choose', array( $this, 'image_size_names_choose' ) );

  }

  public function _init()
  {
    /* Text Domain */
    if( $this->setup->autoload_text_domain ) {
      load_theme_textdomain( $this->theme->get( 'TextDomain' ), trailingslashit( TEMPLATEPATH ) . $this->theme->get( 'DomainPath' ) );
    }

    /* Clean up wp_head */
    if ( $this->setup->cleanup_wp_head ) {
      remove_action( 'wp_head', 'feed_links_extra', 3 ); // Category Feeds
      remove_action( 'wp_head', 'feed_links', 2 ); // Post and Comment Feeds
      remove_action( 'wp_head', 'rsd_link' ); // EditURI link
      remove_action( 'wp_head', 'wlwmanifest_link' ); // Windows Live Writer
      remove_action( 'wp_head', 'index_rel_link' ); // index link
      remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 ); // previous link
      remove_action( 'wp_head', 'start_post_rel_link', 10, 0 ); // start link
      remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 ); // Links for Adjacent Posts
      remove_action( 'wp_head', 'wp_generator' ); // WP vers
    }
  }

  public function _after_setup_theme()
  {
    /* Admin bar */
    if ( !is_admin() && $this->setup->hide_admin_bar ) {
      show_admin_bar( false );
    }

    /* Theme support */
    if ( !empty( $this->setup->theme_support ) ) {
      $theme_supports = (array)$this->setup->theme_support;
      foreach ( $theme_supports as $args => $theme_support ) {
        if ( !is_numeric( $args ) && is_array( $theme_support ) ) {
          add_theme_support( $args, $theme_support );
        }
        else {
          add_theme_support( $theme_support );
        }
      }
    }

    /* Images size */
    if ( !empty( $this->setup->image_sizes ) ) {
      foreach ( $this->setup->image_sizes as $key => $size ) {
        $size = array_merge( $size, array( 0, 0, false ) );
        list( $w, $h, $crop ) = $size;
        add_image_size( $key, $w, $h, is_null( $crop ) ? false : $crop );
      }
    }

    /* Set post thumbnail size */
    if ( !empty( $this->setup->post_thumbnail_size ) ) {
      list( $w, $h, $crop ) = $this->setup->post_thumbnail_size;
      set_post_thumbnail_size( $w, $h, is_null( $crop ) ? false : $crop );
    }

    /* Navigation menus */
    if ( !empty( $this->setup->nav_menus ) ) {
      register_nav_menus( $this->setup->nav_menus );
    }

    /* Sidebars */
    if ( !empty( $this->setup->sidebars ) ) {
      foreach ( $this->setup->sidebars as $sidebar ) {
        if ( is_array( $sidebar ) ) {
          register_sidebar( $sidebar );
        }
      }
    }

    /* Editor style */
    if ( !empty( $this->setup->editor_styles ) ) {
      add_editor_style( $this->setup->editor_styles );
    }
  }

  public function admin_init()
  {

    if ( wpdk_is_ajax() ) {
      return;
    }

    if ( !is_user_logged_in() ) {
      return;
    }

    /* Check for roles */
    if ( !empty( $this->setup->disable_admin_for_roles ) ) {
      // Not implement
    }

    /* Check for capabilies */
    if ( !empty( $this->setup->disable_admin_if_user_has_not_caps ) ) {
      $pass = false;
      $roles = $this->setup->disable_admin_if_user_has_not_caps;
      if ( !empty( $roles ) && is_array( $roles ) ) {
        foreach ( $roles as $role ) {
          if ( ( $pass = current_user_can( $role ) ) ) {
            break;
          }
        }
      }
      elseif ( !empty( $roles ) && is_string( $roles ) ) {
        $pass = current_user_can( $roles );
      }
      if ( !$pass ) {
        die();
      }
    }
  }

  public function init_theme() {
    /* You can override in your subclass. */
  }

  public function init_shortcode() {
    /* You can override in your subclass. */
  }

  public function ajax() {
    /* You can override in your subclass. */
  }

  public function after_setup_theme() {
    die( __METHOD__ . ' must be override in your subclass' );
  }

  public function wp_enqueue_scripts() {
    /* You can override in your subclass */
  }

  public function _wp_head()
  {
    if ( !empty( $this->setup->normalize_css ) ) {
      wp_enqueue_style( 'normalize', WPDK_URI_CSS . 'normalize.css', array(), WPDK_VERSION );
    }

    if ( !empty( $this->setup->theme_js ) ) {
      wp_enqueue_script( 'wpdk-theme', WPDK_URI_JAVASCRIPT . 'wpdk-theme.js', array(), WPDK_VERSION );
    }
  }

  public function wp_head()
  {
    /* You can override in your subclass. */
  }

  public function wp_footer()
  {
    /* You can override in your subclass. */
  }

  public function _body_classes( $classes )
  {
    if ( !empty( $this->setup->body_classes ) ) {
      if ( is_string( $this->setup->body_classes ) ) {
        $classes[] = $this->setup->body_classes;
      }
      elseif ( is_array( $this->setup->body_classes ) ) {
        $classes = array_merge( $classes, $this->setup->body_classes );
      }
    }
    return array_unique( $classes );
  }

  public function image_size_names_choose( $sizes )
  {
    if ( !empty( $this->setup->image_sizes ) ) {
      foreach ( $this->setup->image_sizes as $key => $size ) {
        $size = array_merge( $size, array( 0, 0, 0, 0 ) );
        list( $w, $h, $crop, $label ) = $size;
        $sizes[$key] = empty( $label ) ? $key : $label;
      }
    }
    return $sizes;
  }

  public function registerAutoloadClass( $sLoadingPath, $mClassName = '' ) {

    /* 1. */
    if ( is_string( $sLoadingPath ) && is_string( $mClassName ) && !empty( $mClassName ) ) {
      $sClassNameLowerCased                                   = strtolower( $mClassName );
      $this->_wpxThemeClassLoadingPath[$sClassNameLowerCased] = $sLoadingPath;
    }

    /* 2. */
    elseif ( is_array( $sLoadingPath ) ) {
      foreach ( $sLoadingPath as $path => $classes ) {
        if ( is_string( $classes ) ) {
          $class_name                                   = strtolower( $classes );
          $this->_wpxThemeClassLoadingPath[$class_name] = $path;
        }

        /* 3. */
        elseif ( is_array( $classes ) ) {
          foreach ( $classes as $class_name ) {
            $class_name                                   = strtolower( $class_name );
            $this->_wpxThemeClassLoadingPath[$class_name] = $path;
          }
        }
      }
    }
  }

  public function autoloadEnvironment( $sClassName ) {

    // For backward compatibility and for better matching
    $sClassNameLowerCased = strtolower( $sClassName );
    if ( isset( $this->_wpxThemeClassLoadingPath[$sClassNameLowerCased] ) ) {
      require_once( $this->_wpxThemeClassLoadingPath[$sClassNameLowerCased] );
    }

  }

}

class WPDKThemeSetup {

  public $disable_admin_for_roles = array();

  public $disable_admin_if_user_has_not_caps = array();

  public $cleanup_wp_head = true;

  public $autoload_text_domain = true;

  public $hide_admin_bar = true;

  public $theme_support = array();

  public $image_sizes = array();

  public $post_thumbnail_size = array();

  public $nav_menus = array();

  public $sidebars = array();

  public $body_classes = array();

  public $editor_styles = array();

  public $theme_js = true;

  public $theme_css = true;

  public $normalize_css = true;

  public function __construct()
  {
  }

}