<?php
/* ------------------------------------
EDGE Press v0.1
- Extend functionality to Word Press
--------------------------------------- */

add_theme_support("post-thumbnails"); 

function root() {
  return get_template_directory_uri()."/";
}

/*
Echo path to assets directory
  @return = relative path to specified assets directory
*/
function home()  { echo home_url()."/"; }
function img()   { echo root()."assets/img/"; }
function css()   { echo root()."assets/css/"; }
function js()    { echo root()."assets/js/";  }
function files() { echo root()."assets/files/"; }

/*
  Get the last word from the URL, useful for Header-menu's active state
  @return = the last word from the current page
*/
function get_current_page() {
  $pageURL = "http";
  if ($_SERVER["SERVER_PORT"] != "80") {
    $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
  } else {
    $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
  }
  $url_break = explode('/', $pageURL);
  return $url_break[count($url_break) - 2];
}

/*
  Ellipsize the text (Adding "..." at the end of the word)
  Always stop at the end of a word.
  @param text        = The statement to be ellipsized
         char_number = Number of characters before adding the ellipse
         etc         = The ellipse text to be added, default to "..."
  @return = the ellipsed text
*/
function ellipsize($text, $char_number, $etc = "...") {
  $text = html_entity_decode($text, ENT_QUOTES);
  if (strlen($text) > $char_number) {
    $text = substr($text, 0, $char_number);
    $text = substr($text,0,strrpos($text," "));

    $punctuation = ".!?:;,-"; // punctuation you want removed

    $text = (strspn(strrev($text),  $punctuation) != 0)
            ?
            substr($text, 0, -strspn(strrev($text),  $punctuation))
            :
            $text;

    $text = $text.$etc;
  }
  $text = htmlentities($text, ENT_QUOTES);
  return $text;
}

/*
  Automatically use "single-{category_slug}.php" as post template for that category
  Example:
  "single-product.php" is used as template for post with category "product"
*/
add_filter("single_template", create_function(
  '$the_template',
  'foreach( (array) get_the_category() as $cat ) {
    if ( file_exists(TEMPLATEPATH . "/single-{$cat->slug}.php") )
    return TEMPLATEPATH . "/single-{$cat->slug}.php"; }
  return $the_template;' )
);