<?php

/**

 * Theme wrapper

 *

 * @link http://scribu.net/wordpress/theme-wrappers.html

 */

function roots_template_path() {

  return Roots_Wrapping::$main_template;

}



function roots_sidebar_path() {

  return Roots_Wrapping::sidebar();

}



class Roots_Wrapping {

  // Stores the full path to the main template file

  static $main_template;



  // Stores the base name of the template file; e.g. 'page' for 'page.php' etc.

  static $base;



  static function wrap($template) {

    self::$main_template = $template;



    self::$base = substr(basename(self::$main_template), 0, -4);



    if (self::$base === 'index') {

      self::$base = false;

    }



    $templates = array('base.php');



    if (self::$base) {

      array_unshift($templates, sprintf('base-%s.php', self::$base));

    }



    return locate_template($templates);

  }



  static function sidebar() {

    $templates = array('templates/sidebar.php');



    if (self::$base) {

      array_unshift($templates, sprintf('templates/sidebar-%s.php', self::$base));

    }



    return locate_template($templates);

  }

}

add_filter('template_include', array('Roots_Wrapping', 'wrap'), 99);



/**

 * Page titles

 */

function roots_title() {

  if (is_home()) {

    if (get_option('page_for_posts', true)) {

      echo get_the_title(get_option('page_for_posts', true));

    } else {

      _e('Latest Posts', 'roots');

    }

  } elseif (is_archive()) {

    $term = get_term_by('slug', get_query_var('term'), get_query_var('taxonomy'));

    if ($term) {

      echo $term->name;

    } elseif (is_post_type_archive()) {

      echo get_queried_object()->labels->name;

    } elseif (is_day()) {

      printf(__('Daily Archives: %s', 'roots'), get_the_date());

    } elseif (is_month()) {

      printf(__('Monthly Archives: %s', 'roots'), get_the_date('F Y'));

    } elseif (is_year()) {

      printf(__('Yearly Archives: %s', 'roots'), get_the_date('Y'));

    } elseif (is_author()) {

      printf(__('Author Archives: %s', 'roots'), get_the_author());

    } else {

      single_cat_title();

    }

  } elseif (is_search()) {

    printf(__('Search Results for %s', 'roots'), get_search_query());

  } elseif (is_404()) {

    _e('Not Found', 'roots');

  } else {

    the_title();

  }

}



/**

 * Show an admin notice if .htaccess isn't writable

 */

function roots_htaccess_writable() {

  if (!is_writable(get_home_path() . '.htaccess')) {

    if (current_user_can('administrator')) {

      add_action('admin_notices', create_function('', "echo '<div class=\"error\"><p>" . sprintf(__('Please make sure your <a href="%s">.htaccess</a> file is writable ', 'roots'), admin_url('options-permalink.php')) . "</p></div>';"));

    }

  }

}

add_action('admin_init', 'roots_htaccess_writable');



/**

 * Return WordPress subdirectory if applicable

 */

function wp_base_dir() {

  preg_match('!(https?://[^/|"]+)([^"]+)?!', site_url(), $matches);

  if (count($matches) === 3) {

    return end($matches);

  } else {

    return '';

  }

}



/**

 * Opposite of built in WP functions for trailing slashes

 */

function leadingslashit($string) {

  return '/' . unleadingslashit($string);

}



function unleadingslashit($string) {

  return ltrim($string, '/');

}



function add_filters($tags, $function) {

  foreach($tags as $tag) {

    add_filter($tag, $function);

  }

}



function is_element_empty($element) {

  $element = trim($element);

  return empty($element) ? false : true;

}