Adds the language filter condition to taxonomy term views

custom_termview_langfix.info

name = The AIM - Views term language
description = Fix / Add the language filter to taxonomy term views
core = 7.x
package = "Custom"
dependencies[] = "views"
dependencies[] = "views_ui"
dependencies[] = "i18n_taxonomy"

custom_termview_langfix.module

<?php
/**
 * @file
 *   Fix / Add the language filter to taxonomy term views
 */


/**
 * Add language filter to views
 */
function custom_termview_langfix_views_query_alter(&$view, &$query) {
  if($view->base_table == 'taxonomy_term_data') {
  	if((bool)$view->display[$view->current_display]->handler->options['field_language_add_to_query'] && $view->display[$view->current_display]->handler->options['field_language'] !== 'und') {
	    $query->where[] = array(
	      'conditions' => array(array(
	        'field' => 'taxonomy_term_data.language',
	        'value' => array($view->display[$view->current_display]->handler->options['field_language']),
	        'operator' => 'in',
	      )),
	      'args' => array(),
	      'type' => 'AND',
	    );
	  }
	}
}