<?php
defined('_JEXEC') or die;

$j5 = JPATH_ROOT.'/administrator/components/com_jlexreview/libs/j5.php';
if(file_exists($j5))
    require_once $j5;

jimport('joomla.form.formfield');

class JFormFieldVirtuemart extends JFormField
{
	protected $type = 'Virtuemart';
	protected function getInput() {
		// Check VM installed yet?
		$VMXML = JPATH_ADMINISTRATOR . '/components/com_virtuemart/virtuemart.xml';
		$VMADMIN = JPATH_ADMINISTRATOR . '/components/com_virtuemart';
		if(!file_exists($VMXML))
		{
			return '<span style="color:red">VirtueMart not installed.</span>';
		}
		
		// Check version of VM
		$xml = simplexml_load_file($VMXML);
		$version = $xml->version.'';
		
		if (version_compare ( $version, '3', '>=' )) {
			// VM 3.x
			if (! class_exists ( 'VmConfig' ))
				require (JPATH_ROOT . '/administrator/components/com_virtuemart/helpers/config.php');
			if (! class_exists ( 'ShopFunctions' ))
				require ($VMADMIN . '/helpers/shopfunctions.php');
			
			$key = ($this->element ['key_field'] ? $this->element ['key_field'] : 'value');
			$val = ($this->element ['value_field'] ? $this->element ['value_field'] : $this->name);
			
			VmConfig::loadConfig ();
			VmConfig::loadJLang ( 'com_virtuemart' );
			
			$categorylist = ShopFunctions::categoryListTree($this->value);

			if(preg_match("/^\s*$/", $categorylist))
				return '<span style="color:red">No category found.</span>';
			
			$output = '<select class="inputbox custom-select" multiple="multiple" size="10"  name="' . $this->name . '[]" >';
			$output .= $categorylist;
			$output .= "</select>";
		} else {
			// VM 2.x
			if (! class_exists ( 'VmConfig' ))
				require (JPATH_ADMINISTRATOR . '/components/com_virtuemart/helpers/config.php');
			if (! class_exists ( 'ShopFunctions' ))
				require (JPATH_ADMINISTRATOR . '/components/com_virtuemart/helpers/shopfunctions.php');
			if (! class_exists ( 'TableCategories' ))
				require (JPATH_ADMINISTRATOR . '/components/com_virtuemart/tables/categories.php');
			
			if (! class_exists ( 'VmElements' ))
				require (JPATH_ADMINISTRATOR . '/components/com_virtuemart/elements/vmelements.php');
			
			$key = ($this->element ['key_field'] ? $this->element ['key_field'] : 'value');
			$val = ($this->element ['value_field'] ? $this->element ['value_field'] : $this->name);
			
			$this->value = ! is_array ( $this->value ) ? array () : $this->value;
			
			$categorylist = ShopFunctions::categoryListTreeLoop ( $this->value );

			$output = '<select name="' . $this->name . '[]" class="inputbox" multiple="multiple" size="10">';
			$output .= '<option ' . (in_array ( '0', $this->value ) ? 'selected="selected" ' : '') . ' value="0">Select all</option>';
			$output .= stripcslashes($categorylist);
			$output .= '</select>';
		}
		
		return $output;
	}
}