<?php
/*------------------------------------------------------------------------------
  $Id$

  AbanteCart, Ideal OpenSource Ecommerce Solution
  http://www.AbanteCart.com

  Copyright © 2011-2014 Belavier Commerce LLC

  This source file is subject to Open Software License (OSL 3.0)
  License details is bundled with this package in the file LICENSE.txt.
  It is also available at this URL:
  <http://www.opensource.org/licenses/OSL-3.0>

 UPGRADE NOTE:
   Do not edit or add to this file if you wish to upgrade AbanteCart to newer
   versions in the future. If you wish to customize AbanteCart for your
   needs please refer to http://www.AbanteCart.com for more information.
------------------------------------------------------------------------------*/
if (!defined('DIR_CORE') || !IS_ADMIN) {
    header('Location: static_pages/');
}
class ControllerPagesLocalisationTaxClass extends AController {
    public $data = array();
    public $error = array();

    public function main() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);

        $this->document->setTitle($this->language->get('heading_title'));

        $this->view->assign('error_warning', $this->error['warning']);
        $this->view->assign('success', $this->session->data['success']);
        if (isset($this->session->data['success'])) {
            unset($this->session->data['success']);
        }

        $this->document->initBreadcrumb(array(
            'href' => $this->html->getSecureURL('index/home'),
            'text' => $this->language->get('text_home'),
            'separator' => FALSE
        ));
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class'),
            'text' => $this->language->get('heading_title'),
            'separator' => ' :: ',
			'current'	=> true
        ));

        $grid_settings = array(
            'table_id' => 'tax_grid',
            'url' => $this->html->getSecureURL('listing_grid/tax_class'),
            'editurl' => $this->html->getSecureURL('listing_grid/tax_class/update'),
            'update_field' => $this->html->getSecureURL('listing_grid/tax_class/update_field'),
            'sortname' => 'title',
            'sortorder' => 'asc',
            'actions' => array(
                'edit' => array(
                    'text' => $this->language->get('text_edit'),
                    'href' => $this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=%ID%')
                ),
                'save' => array(
                    'text' => $this->language->get('button_save'),
                ),
                'delete' => array(
                    'text' => $this->language->get('button_delete'),
                )
            ),
        );

        $grid_settings['colNames'] = array(
            $this->language->get('column_title'),
        );
        $grid_settings['colModel'] = array(
            array(
                'name' => 'title',
                'index' => 'title',
                'width' => 600,
                'align' => 'left',
            ),
        );

        $grid = $this->dispatch('common/listing_grid', array($grid_settings));
        $this->view->assign('listing_grid', $grid->dispatchGetOutput());

		$this->view->assign('form_language_switch', $this->html->getContentLanguageSwitcher());
        $this->view->assign('insert', $this->html->getSecureURL('localisation/tax_class/insert'));
        $this->view->assign('help_url', $this->gen_help_url('tax_class_listing'));

        $this->processTemplate('pages/localisation/tax_class_list.tpl');

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    public function insert() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);

        $this->document->setTitle($this->language->get('heading_title'));

        if ( $this->request->is_POST() && $this->_validateForm()) {
            $tax_class_id = $this->model_localisation_tax_class->addTaxClass($this->request->post);
            $this->session->data['success'] = $this->language->get('text_success');
            $this->redirect($this->html->getSecureURL('localisation/tax_class/insert_rates', '&tax_class_id=' . $tax_class_id));
        }
        $this->_getForm();

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    public function update() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);

        $this->view->assign('success', $this->session->data['success']);
        if (isset($this->session->data['success'])) {
            unset($this->session->data['success']);
        }

        $this->document->setTitle($this->language->get('heading_title'));

        if ( $this->request->is_POST() && $this->_validateForm()) {
            $this->model_localisation_tax_class->editTaxClass($this->request->get['tax_class_id'], $this->request->post);
            $this->session->data['success'] = $this->language->get('text_success');
            $this->redirect($this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=' . $this->request->get['tax_class_id']));
        }
        $this->_getForm();

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    public function rates() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);


        $tax_class_info = $this->model_localisation_tax_class->getTaxClass($this->request->get['tax_class_id']);

        $this->view->assign('error_warning', $this->error['warning']);
        $this->view->assign('success', $this->session->data['success']);
        if (isset($this->session->data['success'])) {
            unset($this->session->data['success']);
        }

        $this->document->initBreadcrumb(array(
            'href' => $this->html->getSecureURL('index/home'),
            'text' => $this->language->get('text_home'),
            'separator' => FALSE
        ));
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class'),
            'text' => $this->language->get('heading_title'),
            'separator' => ' :: '
        ));
        
        $tax_title = $tax_class_info['tax_class'][$this->session->data['content_language_id']]['title'];
		$this->document->setTitle( $this->language->get('text_edit') . $this->language->get('text_class') . ' - ' . $tax_title );

        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=' . $this->request->get['tax_class_id']),
            'text' => $this->language->get('text_edit') . $this->language->get('text_class') . ' - ' . $tax_title,
            'separator' => ' :: '
        ));
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $this->request->get['tax_class_id']),
            'text' => $this->language->get('tab_rates'),
            'separator' => ' :: ',
            'current'	=> true
        ));


        $this->data['insert'] = $this->html->getSecureURL('localisation/tax_class/insert_rates', '&tax_class_id=' . $this->request->get['tax_class_id']);

		$grid_settings = array(
					//id of grid
		            'table_id' => 'tax_rates_grid',
		            // url to load data from
					'url' => $this->html->getSecureURL('listing_grid/tax_class/tax_rates','&tax_class_id=' . $this->request->get['tax_class_id']),
		            // default sort column
					'sortname' => 'entry_location',
					'columns_search' => false,
					'multiselect' => 'false',
					'actions' => array(
						'edit' => array(
							'text' => $this->language->get('text_edit'),
							'href' => $this->html->getSecureURL('localisation/tax_class/update_rates',
																'&tax_class_id=' . $this->request->get['tax_class_id'] . '&tax_rate_id=%ID%')
						),
						'delete' => array(
							'text' => $this->language->get('button_delete'),
							'href' => $this->html->getSecureURL('localisation/tax_class/delete_rates',
																'&tax_class_id=' . $this->request->get['tax_class_id'] . '&tax_rate_id=%ID%')

						),
					),
				);

		$grid_settings['colNames'] = array(
			$this->language->get('entry_location'),
			$this->language->get('entry_zone'),
			$this->language->get('entry_description'),
			$this->language->get('entry_rate'),
			$this->language->get('entry_priority'),
		);

		$grid_settings['colModel'] = array(
			array(
				'name' => 'location',
				'index' => 'location',
				'width' => 150,
				'align' => 'left',
				'sortable' => false,
			),
			array(
				'name' => 'zone',
				'index' => 'zone',
				'width' => 150,
				'align' => 'left',
				'sortable' => false,
			),
			array(
				'name' => 'description',
				'index' => 'description',
				'width' => 200,
				'align' => 'left',
				'sortable' => false,
			),
			array(
				'name' => 'rate',
				'index' => 'rate',
				'width' => 60,
				'align' => 'center',
				'sortable' => false,
			),
			array(
				'name' => 'priority',
				'index' => 'priority',
				'width' => 50,
				'align' => 'center',
				'sortable' => false,
			),
		);

		$grid = $this->dispatch('common/listing_grid', array( $grid_settings ) );
		$this->view->assign('listing_grid', $grid->dispatchGetOutput());

		$this->view->assign('form_language_switch', $this->html->getContentLanguageSwitcher());
        $this->view->assign('help_url', $this->gen_help_url('rates_listing'));
        $this->view->batchAssign($this->data);
        $this->processTemplate('pages/localisation/tax_class_data_list.tpl');

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    public function insert_rates() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);

        $this->document->setTitle($this->language->get('heading_title'));

        if ( $this->request->is_POST() && $this->_validateRateForm() ) {
            $tax_rate_id = $this->model_localisation_tax_class->addTaxRate($this->request->get['tax_class_id'], $this->request->post);
            $this->session->data['success'] = $this->language->get('text_success');
            $this->redirect($this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $this->request->get['tax_class_id'] . '&tax_rate_id=' . $tax_rate_id));
        }
        $this->_getRatesForm();

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    public function update_rates() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);

        $this->view->assign('success', $this->session->data['success']);
        if (isset($this->session->data['success'])) {
            unset($this->session->data['success']);
        }

        $this->document->setTitle($this->language->get('heading_title'));

        if ( $this->request->is_POST() && $this->_validateRateForm() ) {
            $this->model_localisation_tax_class->editTaxRate($this->request->get['tax_rate_id'], $this->request->post);
            $this->session->data['success'] = $this->language->get('text_success');
            $this->redirect($this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $this->request->get['tax_class_id'] . '&tax_rate_id=' . $this->request->get['tax_rate_id']));
        }
        $this->_getRatesForm();

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    public function delete_rates() {

        //init controller data
        $this->extensions->hk_InitData($this, __FUNCTION__);

        $this->model_localisation_tax_class->deleteTaxRate($this->request->get['tax_rate_id']);
        $this->session->data['success'] = $this->language->get('text_success');
        $this->redirect($this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $this->request->get['tax_class_id']));

        //update controller data
        $this->extensions->hk_UpdateData($this, __FUNCTION__);
    }

    private function _getRatesForm() {

		$tax_class_id = (int)$this->request->get['tax_class_id'];

		if(!$tax_class_id){
			$this->redirect($this->html->getSecureURL('localisation/tax_class'));
		}

		$tax_rate_id = (int)$this->request->get['tax_rate_id'];

        $tax_class_info = $this->model_localisation_tax_class->getTaxClass($tax_class_id);

        $this->data = array();
        $this->data['error'] = $this->error;
        $this->data['cancel'] = $this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $tax_class_id);


	    if (isset($this->session->data['success'])) {
		    $this->data['success'] = $this->session->data['success'];
	        unset($this->session->data['success']);
	    }

        $this->document->initBreadcrumb(array(
            'href' => $this->html->getSecureURL('index/home'),
            'text' => $this->language->get('text_home'),
            'separator' => FALSE
        ));
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class'),
            'text' => $this->language->get('heading_title'),
            'separator' => ' :: '
        ));
        $tax_title = $tax_class_info['tax_class'][$this->session->data['content_language_id']]['title'];
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=' . $tax_class_id),
            'text' => $this->language->get('text_edit') . $this->language->get('text_class') . ' - ' . $tax_title,
            'separator' => ' :: '
        ));
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $tax_class_id),
            'text' => $this->language->get('tab_rates'),
            'separator' => ' :: '
        ));


        if ($tax_rate_id && $this->request->is_GET() ) {
            $rate_info = $this->model_localisation_tax_class->getTaxRate($tax_rate_id);
        }

        $fields = array('location_id', 'zone_id', 'rate', 'priority', 'rate_prefix', 'threshold_condition', 'threshold');
        foreach ($fields as $f) {
            if (isset ($this->request->post [$f])) {
                $this->data [$f] = $this->request->post [$f];
            } elseif (isset($rate_info)) {
                $this->data[$f] = $rate_info[$f];
            } else {
                $this->data[$f] = '';
            }
        }

		//set multilingual fields
		$this->data['tax_rate'] = array();
		if ( $rate_info['tax_rate'] ) {
			$this->data['tax_rate'] = $rate_info['tax_rate'];
		}

        $this->loadModel('localisation/location');
        $results = $this->model_localisation_location->getLocations();
        //$this->data['locations'] = array('' => $this->language->get('text_select'));
        foreach ($results as $c) {
            $this->data['locations'][$c['location_id']] = $c['name'];
        }

        $zone_to_locations = $this->model_localisation_location->getZoneToLocations(array('location_id' => $this->data['location_id']));

        foreach ($zone_to_locations as $value) {
            $zones[] = $value['zone_id'];
        }

        if ($zones) {
            $this->loadModel('localisation/zone');
            $results = $this->model_localisation_zone->getZones(array('search' => ' z.zone_id IN (' . implode(',', $zones) . ')'));
            $this->data['zones'] = array();
            foreach ($results as $c) {
                $this->data['zones'][$c['zone_id']] = $c['name'];
            }
        }
        $this->loadLanguage('localisation/zone');
		$this->_initTabs('rates');

        $this->data['rates'] = $this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $tax_class_id);

        if (!$tax_rate_id) {
            $form_action = $this->html->getSecureURL('localisation/tax_class/insert_rates', '&tax_class_id=' . $tax_class_id);
            $this->data['heading_title'] = $this->language->get('text_edit') . $this->language->get('text_class') . ' - ' . $tax_title;
            $this->data['form_title'] = $this->language->get('text_insert') . $this->language->get('text_rate');
            $this->data['update'] = '';
            $form = new AForm('ST');
        } else {
            $form_action = $this->html->getSecureURL('localisation/tax_class/update_rates', '&tax_class_id=' . $tax_class_id . '&tax_rate_id=' . $tax_rate_id);
            $this->data['heading_title'] = $this->language->get('text_edit') . $this->language->get('text_class') . ' - ' . $tax_title;
            $this->data['form_title'] = $this->language->get('text_edit') . $this->language->get('text_rate');
            $this->data['update'] = $this->html->getSecureURL('listing_grid/tax_class/update_rate_field', '&id=' . $tax_rate_id);
            $form = new AForm('ST');
        }
        $this->data['action'] = $this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=' . $tax_class_id);
        $this->document->addBreadcrumb(array(
            'href' => $this->data['action'],
            'text' => $this->data['form_title'],
            'separator' => ' :: ',
			'current'	=> true
        ));
        $this->data['common_zone'] = $this->html->getSecureURL('common/zone');
        $form->setForm(array(
            'form_name' => 'cgFrm',
            'update' => $this->data['update'],
        ));

        $this->data['form']['id'] = 'cgFrm';
        $this->data['form']['form_open'] = $form->getFieldHtml(array(
            'type' => 'form',
            'name' => 'cgFrm',
            'action' => $form_action,
			'attr' => 'data-confirm-exit="true" class="aform form-horizontal"',
        ));

        $this->data['form']['submit'] = $form->getFieldHtml(array(
            'type' => 'button',
            'name' => 'submit',
            'text' => $this->language->get('button_save'),
            'style' => 'button1',
        ));
        $this->data['form']['cancel'] = $form->getFieldHtml(array(
            'type' => 'button',
            'name' => 'cancel',
            'text' => $this->language->get('button_cancel'),
            'style' => 'button2',
        ));

        $this->data['form']['fields']['location'] = $form->getFieldHtml(array(
            'type' => 'selectbox',
            'name' => 'location_id',
            'value' => $this->data['location_id'],
            'options' => $this->data['locations'],
        ));
        $this->data['form']['fields']['all_zones'] = $form->getFieldHtml(array(
            'name' => 'all_zones',
            'type' => 'checkbox',
            'checked' => ($this->data['zone_id'] ? 0 : 1),
            'value' => 1,
            'style' => 'no-save',
        ));

        $this->data['form']['fields']['zone'] = $form->getFieldHtml(array(
            'type' => 'selectbox',
            'name' => 'zone_id',
            'value' => '',
            'options' => $this->data['zones'],
			'style' => 'chosen'

        ));

        $this->data['form']['fields']['description'] = $form->getFieldHtml(array(
            'type' => 'input',
			'name' => 'tax_rate['.$this->session->data['content_language_id'].'][description]',
			'value' => $this->data['tax_rate'][$this->session->data['content_language_id']]['description'],
            'style' => 'large-field',
        ));


		$this->data[ 'rate_prefix' ] = trim($this->data[ 'rate_prefix' ]);
		$currency_symbol = $this->currency->getCurrency($this->config->get('config_currency'));
		$currency_symbol = $currency_symbol[ 'symbol_left' ] . $currency_symbol[ 'symbol_right' ];
		if (!$this->data[ 'rate_prefix' ]) {
			$this->data[ 'rate_prefix' ] = $currency_symbol;
		}

		$this->data['form']['fields']['rate'][] = $form->getFieldHtml(array(
			'type' => 'selectbox',
            'name' => 'rate_prefix',
            'value' => $this->data['rate_prefix'],
			'options' => array(
				'%' => $this->language->get('text_percent') . " (%)",
				'$' => $this->language->get('text_absolute') . " (". $currency_symbol . ")",
			),
			'style' => 'tiny-field'
        ));

		$this->data['form']['fields']['rate'][] = $form->getFieldHtml(array(
		            'type' => 'input',
		            'name' => 'rate',
		            'value' => (float)$this->data['rate'],
		            'required' => true,
		            'style' => 'tiny-field'
		));


        $this->data['form']['fields']['tax_rate_threshold'][] = $form->getFieldHtml(array(
			'type' => 'selectbox',
            'name' => 'threshold_condition',
            'value' => $this->data['threshold_condition'],
			'options' => array(
				'' => '',
				'gt' => '>',
				'ge' => '>=',
				'lt' => '<',
				'le' => '<=',
				'ne' => '<>',
				'eq' => '=',
			),
			'style' => 'tiny-field'
        ));

        $this->data['form']['fields']['tax_rate_threshold'][] = $form->getFieldHtml(array(
            'type' => 'input',
            'name' => 'threshold',
            'value' => (float)$this->data['threshold'],
            'required' => false,
			'style' => 'tiny-field'
        ));

        $this->data['form']['fields']['priority'] = $form->getFieldHtml(array(
            'type' => 'input',
            'name' => 'priority',
            'value' => (int)$this->data['priority'],
            'style' => 'tiny-field'
        ));
		$this->view->assign('form_language_switch', $this->html->getContentLanguageSwitcher());
        $this->view->assign('help_url', $this->gen_help_url('rate_edit'));
        $this->view->batchAssign($this->data);
        $this->processTemplate('pages/localisation/tax_class_rate_form.tpl');
    }


    private function _getForm() {
        $this->data = array();
        $this->data['error'] = $this->error;
        $this->data['cancel'] = $this->html->getSecureURL('localisation/tax_class');

        $this->document->initBreadcrumb(array(
            'href' => $this->html->getSecureURL('index/home'),
            'text' => $this->language->get('text_home'),
            'separator' => FALSE
        ));
        $this->document->addBreadcrumb(array(
            'href' => $this->html->getSecureURL('localisation/tax_class'),
            'text' => $this->language->get('heading_title'),
            'separator' => ' :: '
        ));

		$tax_class_id = (int)$this->request->get['tax_class_id'];

        if ( $tax_class_id ) {
            $tax_class_info = $this->model_localisation_tax_class->getTaxClass( $tax_class_id );
        }
		//set multilingual fields
		$this->data['tax_class'] = array();
		if ( $tax_class_info['tax_class'] ) {
			$this->data['tax_class'] = $tax_class_info['tax_class'];
		}

		$tax_title = $tax_class_info['tax_class'][$this->session->data['content_language_id']]['title'];
		$tax_desc  = $tax_class_info['tax_class'][$this->session->data['content_language_id']]['description'];
        $this->_initTabs('details');

        if (!$tax_class_id) {
            $this->data['action'] = $this->html->getSecureURL('localisation/tax_class/insert');
            $this->data['heading_title'] = $this->language->get('text_insert') . $this->language->get('text_class');
            $this->data['update'] = '';
            $form = new AForm('ST');
        } else {
            $this->data['rates'] = $this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $tax_class_id);
            $this->data['action'] = $this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=' . $tax_class_id);
            $this->data['heading_title'] = $this->language->get('text_edit') . $this->language->get('text_class') . ' - ' . $tax_title;
            $this->data['update'] = $this->html->getSecureURL('listing_grid/tax_class/update_field', '&id=' . $tax_class_id);
            $form = new AForm('HS');
        }

        $this->document->addBreadcrumb(array(
            'href' => $this->data['action'],
            'text' => $this->data['heading_title'],
            'separator' => ' :: ',
			'current' => true
        ));

        $form->setForm(array(
            'form_name' => 'cgFrm',
            'update' => $this->data['update'],
        ));

        $this->data['form']['id'] = 'cgFrm';
        $this->data['form']['form_open'] = $form->getFieldHtml(array(
		    'type' => 'form',
		    'name' => 'cgFrm',
		    'attr' => 'data-confirm-exit="true"',
		    'action' => $this->data['action'],
	    ));
        $this->data['form']['submit'] = $form->getFieldHtml(array(
            'type' => 'button',
            'name' => 'submit',
            'text' => $this->language->get('button_save'),
            'style' => 'button1',
        ));
        $this->data['form']['cancel'] = $form->getFieldHtml(array(
            'type' => 'button',
            'name' => 'cancel',
            'text' => $this->language->get('button_cancel'),
            'style' => 'button2',
        ));

        $this->data['form']['fields']['title'] = $form->getFieldHtml(array(
            'type' => 'input',
			'name' => 'tax_class['.$this->session->data['content_language_id'].'][title]',
			'value' => $tax_title,
            'required' => true,
        ));
        $this->data['form']['fields']['description'] = $form->getFieldHtml(array(
            'type' => 'input',
			'name' => 'tax_class['.$this->session->data['content_language_id'].'][description]',
			'value' => $tax_desc,
            'style' => 'large-field',
        ));
		$this->view->assign('form_language_switch', $this->html->getContentLanguageSwitcher());
        $this->view->assign('help_url', $this->gen_help_url('tax_class_edit'));

        $this->view->batchAssign($this->data);
        $this->processTemplate('pages/localisation/tax_class_form.tpl');
    }

    private function _validateForm() {
        if (!$this->user->canModify('localisation/tax_class')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

		if ( count($this->request->post['tax_class']) ) {
	    	foreach ($this->request->post['tax_class'] as $language_id => $value) {
	      		if ( mb_strlen($value['title']) < 2 || mb_strlen($value['title']) > 32 ) {
	        		$this->error['title'] = $this->language->get('error_tax_title');
	      		}
	    	}
		} else {
			$this->error['title'] = $this->language->get('error_tax_title');
		}

        if (isset($this->request->post['tax_rate'])) {
            foreach ($this->request->post['tax_rate'] as $value) {
                if (!$value['rate']) {
                    $this->error['warning'] = $this->language->get('error_rate');
                }
            }
        }

		$this->extensions->hk_ValidateData($this);

        if (!$this->error) {
            return TRUE;
        } else {
            return FALSE;
        }
    }

    private function _validateRateForm() {
        if (!$this->user->canModify('localisation/tax_class')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        if (!$this->request->post['rate']) {
            $this->error['rate'] = $this->language->get('error_rate');
        }

        $this->request->post['zone_id'] = (int)$this->request->post['zone_id'];
        if ($this->request->post['all_zones'] == 1) {
            $this->request->post['zone_id'] = 0;
        }

		$this->extensions->hk_ValidateData($this);

		if (!$this->error) {
            return TRUE;
        } else {
            return FALSE;
        }
    }

	private function _initTabs($active = null) {


		if( !has_value($this->request->get['tax_class_id']) ) {
			$this->data['tabs'] = array();
		}else{
			$tax_class_id = (int)$this->request->get['tax_class_id'];
			$this->data['tax_class_id'] = $tax_class_id;

		}


		$this->data['tabs'] = array(
								'details' => array(
													'href' => $this->html->getSecureURL('localisation/tax_class/update', '&tax_class_id=' . $tax_class_id),
													'text' => $this->language->get('tab_details')),

								'rates' => array(
													'href' => $this->html->getSecureURL('localisation/tax_class/rates', '&tax_class_id=' . $tax_class_id),
													'text' => $this->language->get('tab_rates')));


        if ( in_array($active, array_keys($this->data['tabs'])) ) {
            $this->data['tabs'][$active]['active'] = 1;
        } else {
            $this->data['tabs']['details']['active'] = 1;
        }
    }
}