<?php 
function wpml_get_current_languages(){
	if(function_exists('icl_get_languages')){
		global $sitepress;
		return $sitepress->get_current_language();
	}else{
		return false;
	}
}
// HOME URL
// USAGE: replace references to the blog home url such as:
// - get_option('home')
// - bloginfo('home')
// - bloginfo('url')
// - get_bloginfo('url')
// - etc...
// with wpml_get_home_url()
// * IMPORTANT: Most themes also add a trailing slash (/) to the URL. This function already includes it, so don't add the slash when using it.
function wpml_get_home_url(){
	if(function_exists('icl_get_home_url')){
		return icl_get_home_url();
	}else{
		return rtrim(get_bloginfo('url') , '/') . '/';
	}
}



// LANGUAGE SELECTOR
// USAGE place this on the single.php, page.php, index.php etc... - inside the loop
// function wpml_content_languages($args)
// args: skip_missing, before, after
// defaults: skip_missing = 1, before =  __('This post is also available in: '), after = ''
function wpml_content_languages($args=''){
	parse_str($args);
	if(function_exists('icl_get_languages')){
		$languages = icl_get_languages($args);
		if(1 < count($languages)){
			echo isset($before) ? $before : __('This post is also available in: ', 'sitepress');
			foreach($languages as $l){
				if(!$l['active']) $langs[] = '<a href="'.$l['url'].'">'.$l['translated_name'].'</a>';
			}
			echo join(', ', $langs);
			echo isset($after) ? $after : '';
		}	
	}
} 


// LINKS TO SPECIFIC ELEMENTS
// USAGE
// args: $element_id, $element_type='post', $link_text='', $optional_parameters=array(), $anchor='', $echoit = true
function wpml_link_to_element($element_id, $element_type='post', $link_text='', $optional_parameters=array(), $anchor='', $echoit = true){
	if(!function_exists('icl_link_to_element')){	
		switch($element_type){
			case 'post':
			case 'page':
				$ret = '<a href="'.get_permalink($element_id).'">';
				if($anchor){
					$ret .= $anchor;
				}else{
					$ret .= get_the_title($element_id);
				}
				$ret .= '<a>'; 
				break;
			case 'tag':
			case 'post_tag':
				$tag = get_term_by('id', $element_id, 'tag', ARRAY_A);
				$ret = '<a href="'.get_tag_link($element_id).'">' . $tag->name . '</a>';
			case 'category':
				$ret = '<a href="'.get_tag_link($element_id).'">' . get_the_category_by_ID($element_id) . '</a>';
			default: $ret = '';		   
		}
		if($echoit){
			echo $ret;
		}else{
			return $ret;
		}		
	}else{
		return icl_link_to_element($element_id, $element_type, $link_text, $optional_parameters, $anchor, $echoit);
	}		
}

// Languages links to display in the footer
//
function wpml_languages_list($skip_missing=0, $div_id = "footer_language_list"){
	if(function_exists('icl_get_languages')){
		$languages = icl_get_languages('skip_missing='.intval($skip_missing));
		if(!empty($languages)){
			echo '<div id="'.$div_id.'"><ul>';
			foreach($languages as $l){
				echo '<li>';
				if(!$l['active']) echo '<a href="'.$l['url'].'">';
				echo '<img src="'.$l['country_flag_url'].'" alt="'.$l['language_code'].'" />';
				if(!$l['active']) echo '</a>';
				if(!$l['active']) echo '<a href="'.$l['url'].'">';
				echo $l['native_name'];
				if(!$l['active']) echo ' ('.$l['translated_name'].')';
				if(!$l['active']) echo '</a>';
				echo '</li>';
			}
			echo '</ul></div>';
		}
	}
}

function wpml_languages_selector(){
	do_action('icl_language_selector');	
}

function wpml_t($context, $name, $original_value){
	if(function_exists('icl_t')){
		return icl_t($context, $name, $original_value);
	}else{
		return $original_value;
	}
}

function wpml_register_string($context, $name, $value){
	if(function_exists('icl_register_string') && trim($value)){
		icl_register_string($context, $name, $value);
	}	
}

function wpml_get_object_id($element_id, $element_type='post', $return_original_if_missing=false, $ulanguage_code=null){
	if(function_exists('icl_object_id')){
		return icl_object_id($element_id, $element_type, $return_original_if_missing, $ulanguage_code);
	}else{
		return $element_id;
	}	
}

function wpml_default_link($anchor){
	global $sitepress;
	$qv = false;
	
	if(is_single()){
		$qv = 'p=' . get_the_ID();
	}elseif(is_page()){
		$qv = 'page_id=' . get_the_ID();
	}elseif(is_tag()){
		$tag = &get_term(intval( get_query_var('tag_id') ), 'post_tag', OBJECT, 'display');		
		$qv = 'tag=' . $tag->slug;
	}elseif(is_category()){		
		$qv = 'cat=' . get_query_var('cat');
	}elseif(is_year()){		
		$qv = 'year=' . get_query_var('year');
	}elseif(is_month()){		
		$qv = 'm=' . get_query_var('year') . sprintf('%02d', get_query_var('monthnum'));
	}elseif(is_day()){		
		$qv = 'm=' . get_query_var('year') . sprintf('%02d', get_query_var('monthnum')) . sprintf('%02d', get_query_var('day'));
	}elseif(is_search()){		
		$qv = 's=' . get_query_var('s');
	}elseif(is_tax()){
		$qv = get_query_var('taxonomy') . '=' . get_query_var('term');		
	}
	
	if(false !== strpos(wpml_get_home_url(),'?')){
		$url_glue = '&';
	}else{
		$url_glue = '?';
	}
	
	if($qv){
		$link = '<a href="' .  $sitepress->language_url($sitepress->get_default_language()) . $url_glue . $qv . '" rel="nofollow">' . $anchor . '</a>';
	}else{
		$link = '';
	} 

	return $link;
}
