/controllers/admin/AdminThemesController.php

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<?php

/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class AdminThemesControllerCore extends AdminController
{
	const MAX_NAME_LENGTH = 128;

	public function __construct()
	{
		$this->bootstrap = true;
		parent::__construct();
	}

	/** This value is used in isThemeCompatible method. only version node with an
	 * higher version number will be used in [theme]/config.xml
	 * @since 1.4.0.11, check theme compatibility 1.4
	 * @static
	 */
	public static $check_features_version = '1.4';

	/** $check_features is a multidimensional array used to check [theme]/config.xml values,
	 * and also checks prestashop current configuration if not match.
	 * @static
	 */
	public static $check_features = array(
		'ccc' => array(
			'attributes' => array(
				'available' => array(
					'value' => 'true',
					/*
					 * accepted attribute value if value doesn't match, prestashop configuration value must have those values
					*/
					'check_if_not_valid' => array(
						'PS_CSS_THEME_CACHE' => 0,
						'PS_JS_THEME_CACHE' => 0,
						'PS_HTML_THEME_COMPRESSION' => 0,
						'PS_JS_HTML_THEME_COMPRESSION' => 0,
					),
				),
			),
			'error' => 'This theme may not correctly use PrestaShop\'s "combine, compress and cache" options.',
			'tab' => 'AdminPerformance',
		),
		'guest_checkout' => array(
			'attributes' => array(
				'available' => array(
					'value' => 'true',
					'check_if_not_valid' => array('PS_GUEST_CHECKOUT_ENABLED' => 0)
				),
			),
			'error' => 'This theme may not correctly use PrestaShop\'s "guest checkout" feature.',
			'tab' => 'AdminPreferences',
		),
		'one_page_checkout' => array(
			'attributes' => array(
				'available' => array(
					'value' => 'true',
					'check_if_not_valid' => array('PS_ORDER_PROCESS_TYPE' => 0),
				),
			),
			'error' => 'This theme may not correctly use PrestaShop\'s "one-page checkout" feature.',
			'tab' => 'AdminPreferences',
		),
		'store_locator' => array(
			'attributes' => array(
				'available' => array(
					'value' => 'true',
					'check_if_not_valid' => array(
						'PS_STORES_SIMPLIFIED' => 0,
						'PS_STORES_DISPLAY_FOOTER' => 0
					),
				)
			),
			'error' => 'This theme may not correctly use PrestaShop\'s "store locator" feature.',
			'tab' => 'AdminStores',
		)
	);

	public $className = 'Theme';
	public $table = 'theme';
	protected $toolbar_scroll = false;
	private $img_error;

	public function init()
	{
		// No cache for auto-refresh uploaded logo
		header('Cache-Control: no-cache, must-revalidate');
		header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');

		parent::init();
		$this->can_display_themes = (!Shop::isFeatureActive() || Shop::getContext() == Shop::CONTEXT_SHOP);

		libxml_use_internal_errors(true);

		// Download user themes from Addons
		if ($this->logged_on_addons)
			$this->downloadAddonsThemes();

		// Employee languages used for link and utm_source
		$lang = new Language($this->context->language->id);
		$iso_lang_uc = strtoupper($lang->iso_code);

		$this->fields_options = array(
			'appearance' => array(
				'title' => $this->l('Your current theme'),
				'icon' => 'icon-html5',
				'tabs' => array(
					'logo' => $this->l('Logo'),
					'logo2' => $this->l('Invoice & Email Logos'),
					'icons' => $this->l('Icons'),
					'mobile' => $this->l('Mobile'),
					),
				'fields' => array(
					'PS_LOGO' => array(
						'title' => $this->l('Header logo'),
						'hint' => $this->l('Will appear on main page. Recommended height: 52px. Maximum height on default theme: 65px.'),
						'type' => 'file',
						'name' => 'PS_LOGO',
						'tab' => 'logo',
						'thumb' => _PS_IMG_.Configuration::get('PS_LOGO')
					),
					'PS_LOGO_MOBILE' => array(
						'title' => $this->l('Header logo for mobile'),
						'desc' => ((Configuration::get('PS_LOGO_MOBILE') === false) ? '<span class="light-warning">'.$this->l('Warning: No mobile logo has been defined. The header logo will be used instead.').'</span><br />' : ''),
						'hint' => $this->l('Will appear on the main page of your mobile template. If left undefined, the header logo will be used.'),
						'type' => 'file',
						'name' => 'PS_LOGO_MOBILE',
						'tab' => 'mobile',
						'thumb' => (Configuration::get('PS_LOGO_MOBILE') !== false && file_exists(_PS_IMG_DIR_.Configuration::get('PS_LOGO_MOBILE'))) ? _PS_IMG_.Configuration::get('PS_LOGO_MOBILE') : _PS_IMG_.Configuration::get('PS_LOGO')
					),
					'PS_LOGO_MAIL' => array(
						'title' => $this->l('Mail logo'),
						'desc' => ((Configuration::get('PS_LOGO_MAIL') === false) ? '<span class="light-warning">'.$this->l('Warning: if no email logo is available, the main logo will be used instead.').'</span><br />' : ''),
						'hint' => $this->l('Will appear on email headers. If undefined, the header logo will be used.'),
						'type' => 'file',
						'name' => 'PS_LOGO_MAIL',
						'tab' => 'logo2',
						'thumb' => (Configuration::get('PS_LOGO_MAIL') !== false && file_exists(_PS_IMG_DIR_.Configuration::get('PS_LOGO_MAIL'))) ? _PS_IMG_.Configuration::get('PS_LOGO_MAIL') : _PS_IMG_.Configuration::get('PS_LOGO')
					),
					'PS_LOGO_INVOICE' => array(
						'title' => $this->l('Invoice logo'),
						'desc' => ((Configuration::get('PS_LOGO_INVOICE') === false) ? '<span class="light-warning">'.$this->l('Warning: if no invoice logo is available, the main logo will be used instead.').'</span><br />' : ''),
						'hint' => $this->l('Will appear on invoice headers.').' '.$this->l('Warning: you can use a PNG file for transparency, but it can take up to 1 second per page for processing. Please consider using JPG instead.'),
						'type' => 'file',
						'name' => 'PS_LOGO_INVOICE',
						'tab' => 'logo2',
						'thumb' => (Configuration::get('PS_LOGO_INVOICE') !== false && file_exists(_PS_IMG_DIR_.Configuration::get('PS_LOGO_INVOICE'))) ? _PS_IMG_.Configuration::get('PS_LOGO_INVOICE') : _PS_IMG_.Configuration::get('PS_LOGO')
					),
					'PS_FAVICON' => array(
						'title' => $this->l('Favicon'),
						'hint' => $this->l('Will appear in the address bar of your web browser.'),
						'type' => 'file',
						'name' => 'PS_FAVICON',
						'tab' => 'icons',
						'thumb' => _PS_IMG_.Configuration::get('PS_FAVICON').(Tools::getValue('conf') ? sprintf('?%04d', rand(0, 9999)) : '')
					),
					'PS_STORES_ICON' => array(
						'title' => $this->l('Store icon'),
						'hint' => $this->l('Will appear on the store locator (inside Google Maps).').'<br />'.$this->l('Suggested size: 30x30, transparent GIF.'),
						'type' => 'file',
						'name' => 'PS_STORES_ICON',
						'tab' => 'icons',
						'thumb' => _PS_IMG_.Configuration::get('PS_STORES_ICON')
					),
					'PS_ALLOW_MOBILE_DEVICE' => array(
						'title' => $this->l('Enable the mobile theme'),
						'hint' => $this->l('Allows visitors browsing on mobile devices to view a lighter version of your website.'),
						'type' => 'radio',
						'required' => true,
						'validation' => 'isGenericName',
						'tab' => 'mobile',
						'choices' => array(
							0 => $this->l('I\'d like to disable it.'),
							1 => $this->l('I\'d like to enable it only on smartphones.'),
							2 => $this->l('I\'d like to enable it only on tablets.'),
							3 => $this->l('I\'d like to enable it on both smartphones and tablets.')
						)
					),
				),
				'after_tabs' => array(
					'cur_theme' => Theme::getThemeInfo($this->context->shop->id_theme),
				),
				'submit' => array('title' => $this->l('Save')),
				'buttons' => array(
					'storeLink' => array(
						'title' => $this->l('Visit the theme catalog'),
						'icon' => 'process-icon-themes',
						'href' => 'http://addons.prestashop.com/en/3-templates-prestashop'
						.'?utm_source=back-office&utm_medium=theme-button'
						.'&utm_campaign=back-office-'.$iso_lang_uc
						.'&utm_content='.(defined('_PS_HOST_MODE_') ? 'cloud' : 'download'),
						'js' => 'return !window.open(this.href)'
					)
				)
			),
		);

		$installed_theme = Theme::getAllThemes(array($this->context->shop->id_theme));
		$non_installed_theme = ($this->context->mode == Context::MODE_HOST) ? array() : Theme::getNonInstalledTheme();
		if (count($installed_theme) || !empty($non_installed_theme))
		{
			$this->fields_options['theme'] = array(
				'title' => sprintf($this->l('Select a theme for the "%s" shop'), $this->context->shop->name),
				'description' => (!$this->can_display_themes) ? $this->l('You must select a shop from the above list if you wish to choose a theme.') : '',
				'fields' => array(
					'theme_for_shop' => array(
						'type' => 'theme',
						'themes' => $installed_theme,
						'not_installed' => $non_installed_theme,
						'id_theme' => $this->context->shop->id_theme,
						'can_display_themes' => $this->can_display_themes,
						'no_multishop_checkbox' => true
					),
				),
			);
		}
	}

	public function renderForm()
	{
		$get_available_themes = Theme::getAvailable(false);
		$available_theme_dir = array();
		$selected_theme_dir = null;
		$metas = Meta::getMetas();
		$formated_metas = array();

		$image_url = false;
		if ($this->object)
		{
			if ((int)$this->object->id > 0)
			{
				$theme = New Theme((int)$this->object->id);
				$theme_metas = Db::getInstance()->executeS('SELECT ml.`title`, m.`page`, tm.`left_column` as `left`, tm.`right_column` as `right`, m.`id_meta`, tm.`id_theme_meta`
					FROM '._DB_PREFIX_.'theme_meta as tm
					LEFT JOIN '._DB_PREFIX_.'meta m ON (m.`id_meta` = tm.`id_meta`)
					LEFT JOIN '._DB_PREFIX_.'meta_lang ml ON(ml.id_meta = m.id_meta AND ml.id_lang = '.(int)$this->context->language->id.')
					WHERE tm.`id_theme` = '.(int)$this->object->id.
					((int)Context::getContext()->shop->id ? ' AND id_shop = '.(int)Context::getContext()->shop->id : ''));

				// if no theme_meta are found, we must create them
				if (empty($theme_metas))
				{
					$metas = Db::getInstance()->executeS('SELECT id_meta FROM '._DB_PREFIX_.'meta');
					$metas_default = array();
					foreach ($metas as $meta)
					{
						$tmp_meta['id_meta'] = (int)$meta['id_meta'];
						$tmp_meta['left'] = 1;
						$tmp_meta['right'] = 1;
						$metas_default[] = $tmp_meta;
					}
					$theme->updateMetas($metas_default);
					$theme_metas = Db::getInstance()->executeS('SELECT ml.`title`, m.`page`, tm.`left_column` as `left`, tm.`right_column` as `right`, m.`id_meta`, tm.`id_theme_meta`
						FROM '._DB_PREFIX_.'theme_meta as tm
						LEFT JOIN '._DB_PREFIX_.'meta m ON (m.`id_meta` = tm.`id_meta`)
						LEFT JOIN '._DB_PREFIX_.'meta_lang ml ON(ml.id_meta = m.id_meta AND ml.id_lang = '.(int)$this->context->language->id.')
						WHERE tm.`id_theme` = '.(int)$this->object->id);
				}
				$image_url = '<img alt="preview" src="'.__PS_BASE_URI__.'themes/'.$theme->directory.'/preview.jpg">';

					foreach ($theme_metas as $key => &$meta)
						if (!isset($meta['title']) || !$meta['title'] || $meta['title'] == '')
								$meta['title'] = $meta['page'];

				$formated_metas = $theme_metas;
			}
			$selected_theme_dir = $this->object->directory;
		}

		foreach ($get_available_themes as $k => $dirname)
		{
			$available_theme_dir[$k]['value'] = $dirname;
			$available_theme_dir[$k]['label'] = $dirname;
			$available_theme_dir[$k]['id'] = $dirname;
		};

		$this->fields_form = array(
			'tinymce' => false,
			'legend' => array(
				'title' => $this->l('Theme'),
				'icon' => 'icon-picture'
			),
			'input' => array(
				array(
					'type' => 'text',
					'label' => $this->l('Name of the theme'),
					'name' => 'name',
					'required' => true,
					'hint' => $this->l('Invalid characters:').' <>;=#{}',
				),
				array(
					'type' => 'file',
					'label' => $this->l('Preview image for the theme'),
					'name' => 'image_preview',
					'display_image' => true,
					'hint' => sprintf($this->l('Maximum image size: %1s'), Tools::formatBytes(Tools::getMaxUploadSize())),
					'image' => $image_url,
				),
				array(
					'type' => 'switch',
					'label' => $this->l('Default left column'),
					'name' => 'default_left_column',
					'hint' => $this->l('Choose a default behavior when displaying the column in a new page added by you or by a module.'),
					'values' => array(
						array(
							'id' => 'default_left_column_on',
							'value' => 1,
							'label' => $this->l('Yes')
						),
						array(
							'id' => 'default_left_column_off',
							'value' => 0,
							'label' => $this->l('No')
						)
					),
				),
				array(
					'type' => 'switch',
					'label' => $this->l('Default right column'),
					'name' => 'default_right_column',
					'hint' => $this->l('Choose a default behavior when displaying the column in a new page added by you or by a module.'),
					'values' => array(
						array(
							'id' => 'default_right_column_on',
							'value' => 1,
							'label' => $this->l('Yes')
						),
						array(
							'id' => 'default_right_column_off',
							'value' => 0,
							'label' => $this->l('No')
						)
					),
				),
				array(
					'type' => 'text',
					'label' => $this->l('Number of products per page'),
					'name' => 'product_per_page',
					'hint' => $this->l('This value will be used when activating the theme.'),
				)
			),
			'submit' => array(
				'title' => $this->l('Save'),
			)
		);
		// adding a new theme, you can create a directory, and copy from an existing theme
		if ($this->display == 'add' || !Validate::isLoadedObject($this->object))
		{
			$this->fields_form['input'][] = array(
				'type' => 'text',
				'label' => $this->l('Name of the theme\'s directory'),
				'name' => 'directory',
				'required' => true,
				'hint' => $this->l('If the directory does not exist, PrestaShop will create it automatically.'),
			);

			$theme_query = Theme::getThemes();
			$this->fields_form['input'][] = array(
				'type' => 'select',
				'name' => 'based_on',
				'label' => $this->l('Copy missing files from existing theme'),
				'hint' => $this->l('If you create a new theme from scratch, it is recommended that you use the files from the default theme as a foundation.'),
				'options' => array(
					'id' => 'id',
					'name' => 'name',
					'default' => array(
						'value' => 0,
						'label' => '-'
					),
					'query' => $theme_query,
				)
			);

			$this->fields_form['input'][] = array(
				'type' => 'switch',
				'label' => $this->l('Responsive'),
				'name' => 'responsive',
				'hint' => $this->l('Please indicate if the theme is adapted to all screen sizes (mobile, tablet, desktop).'),
				'values' => array(
					array(
						'id' => 'responsive_on',
						'value' => 1,
						'label' => $this->l('Yes')
					),
					array(
						'id' => 'responsive_off',
						'value' => 0,
						'label' => $this->l('No')
					)
				),
			);
		}
		else
			$this->fields_form['input'][] = array(
				'type' => 'radio',
				'label' => $this->l('Directory'),
				'name' => 'directory',
				'required' => true,
				'br' => true,
				'values' => $available_theme_dir,
				'selected' => $selected_theme_dir,
				'hint' => $this->l('Please select a valid theme directory.'),
			);

		$list = '';
		if (Tools::getIsset('update'.$this->table))
		{
			$fields_list = array(
				'title' => array(
					'title' => $this->l('Meta'),
					'align' => 'center',
					'width' => 'auto'
				),
				'left' => array(
					'title' => $this->l('Left column'),
					'active' => 'left',
					'type' => 'bool',
					'ajax' => true
				),
				'right' => array(
					'title' => $this->l('Right column'),
					'active' => 'right',
					'type' => 'bool',
					'ajax' => true
				),
			);
			$helper_list = New HelperList();
			$helper_list->tpl_vars = array('icon' => 'icon-columns');
			$helper_list->title = $this->l('Appearance of columns');
			$helper_list->no_link = true;
			$helper_list->shopLinkType = '';
			$helper_list->identifier = 'id_theme_meta';
			$helper_list->table = 'meta';
			$helper_list->tpl_vars['show_filters'] = false;
			$helper_list->currentIndex = $this->context->link->getAdminLink('AdminThemes', false);
			$helper_list->token = Tools::getAdminTokenLite('AdminThemes');
			$list = $helper_list->generateList($formated_metas, $fields_list);
		}

		return parent::renderForm().$list;
	}

	public function renderList()
	{
		return parent::renderList();
	}

	/**
	 * copy $base_theme_dir into $target_theme_dir.
	 *
	 * @param string $base_theme_dir   relative path to base dir
	 * @param string $target_theme_dir relative path to target dir
	 *
	 * @return boolean true if success
	 */
	protected static function copyTheme($base_theme_dir, $target_theme_dir)
	{
		$res = true;
		$base_theme_dir = Tools::normalizeDirectory($base_theme_dir);
		$base_dir = _PS_ALL_THEMES_DIR_.$base_theme_dir;
		$target_theme_dir = Tools::normalizeDirectory($target_theme_dir);
		$target_dir = _PS_ALL_THEMES_DIR_.$target_theme_dir;
		$files = scandir($base_dir);

		foreach ($files as $file)
		{
			if (!in_array($file[0], array('.', '..', '.svn')))
			{
				if (is_dir($base_dir.$file))
				{
					if (!is_dir($target_dir.$file))
						mkdir($target_dir.$file, Theme::$access_rights);

					$res &= AdminThemesController::copyTheme($base_theme_dir.$file, $target_theme_dir.$file);
				}
				elseif (!file_exists($target_dir.$file))
					$res &= copy($base_dir.$file, $target_dir.$file);
			}
		}

		return $res;
	}

	public function downloadAddonsThemes()
	{
		if (!$this->logged_on_addons)
			return false;

		if (!$this->isFresh(Theme::CACHE_FILE_CUSTOMER_THEMES_LIST, 86400))
			file_put_contents(_PS_ROOT_DIR_.Theme::CACHE_FILE_CUSTOMER_THEMES_LIST, Tools::addonsRequest('customer_themes'));

		$customer_themes_list = file_get_contents(_PS_ROOT_DIR_.Theme::CACHE_FILE_CUSTOMER_THEMES_LIST);
		if (!empty($customer_themes_list) && $customer_themes_list_xml = simplexml_load_string($customer_themes_list))
		{
			foreach ($customer_themes_list_xml->theme as $addons_theme)
			{
				//get addons theme if folder does not exist
				$ids_themes = Tools::unSerialize(Configuration::get('PS_ADDONS_THEMES_IDS'));

				if (!is_array($ids_themes) || (is_array($ids_themes) && !in_array((string)$addons_theme->id, $ids_themes)))
				{
					$zip_content = Tools::addonsRequest('module', array(
						'id_module' => pSQL($addons_theme->id),
						'username_addons' => pSQL(trim($this->context->cookie->username_addons)),
						'password_addons' => pSQL(trim($this->context->cookie->password_addons)))
						);

					$uniqid = uniqid();
					$sandbox = _PS_CACHE_DIR_.'sandbox'.DIRECTORY_SEPARATOR.$uniqid.DIRECTORY_SEPARATOR;
					mkdir($sandbox);

					file_put_contents($sandbox.(string)$addons_theme->name.'.zip', $zip_content);

					if ($this->extractTheme($sandbox.(string)$addons_theme->name.'.zip', $sandbox))
						if ($theme_directory = $this->installTheme(Theme::UPLOADED_THEME_DIR_NAME, $sandbox, false))
							$ids_themes[$theme_directory] = (string)$addons_theme->id;

					Tools::deleteDirectory($sandbox);
				}
				Configuration::updateValue('PS_ADDONS_THEMES_IDS', serialize($ids_themes));
			}
		}
	}

	public function processAdd()
	{
		if (Tools::getValue('directory') == '' || Tools::getValue('name') == '')
		{
			$this->errors[] = $this->l('Form invalid');
			$this->display = 'form';
			return false;
		}
		if (($new_dir = Tools::getValue('directory')) != '')
		{
			if (!Validate::isDirName($new_dir))
			{
				$this->display = 'add';

				return !($this->errors[] = sprintf(Tools::displayError('"%s" is not a valid directory name'), $new_dir));
			}
			if (Theme::getByDirectory($new_dir))
			{
				$this->display = 'add';

				return !($this->errors[] = Tools::displayError('A directory with this name already exists.'));
			}

			if (mkdir(_PS_ALL_THEMES_DIR_.$new_dir, Theme::$access_rights))
				$this->confirmations[] = $this->l('The directory was successfully created.');

			if (0 !== $id_based = (int)Tools::getValue('based_on'))
			{
				$base_theme = new Theme($id_based);
				$this->copyTheme($base_theme->directory, $new_dir);
				$base_theme = new Theme((int)Tools::getValue('based_on'));
			}

			if (isset($_FILES['image_preview']) && $_FILES['image_preview']['error'] == 0)
			{
				if (@getimagesize($_FILES['image_preview']['tmp_name']) && !ImageManager::validateUpload($_FILES['image_preview'], Tools::getMaxUploadSize()))
					move_uploaded_file($_FILES['image_preview']['tmp_name'], _PS_ALL_THEMES_DIR_.$new_dir.'/preview.jpg');
				else
				{
					$this->errors[] = $this->l('Image is not valid.');
					$this->display = 'form';

					return false;
				}
			}
		}

		$theme = parent::processAdd();
		if ((int)$theme->product_per_page == 0)
		{
			$theme->product_per_page = 1;
			$theme->save();
		}
		if (is_object($theme) && (int)$theme->id > 0)
		{

			$metas = Meta::getMetas();

			foreach ($metas as &$meta)
			{
				$meta['left'] = $theme->default_left_column;
				$meta['right'] = $theme->default_right_column;

			}
			$theme->updateMetas($metas, true);
		}

		return $theme;
	}

	public function processUpdate()
	{
		if (Tools::getIsset('id_theme') && Tools::getIsset('name') && Tools::getIsset('directory'))
		{

			$theme = New Theme((int)Tools::getValue('id_theme'));
			$theme->name = Tools::getValue('name');
			$theme->directory = Tools::getValue('directory');
			$theme->default_left_column = Tools::getValue('default_left_column');
			$theme->default_right_column = Tools::getValue('default_right_column');
			$nb_product_per_page = (int)Tools::getValue('product_per_page');
			if ($nb_product_per_page == 0)
				$nb_product_per_page = 1;

			$theme->product_per_page = $nb_product_per_page;

			if ($this->context->shop->id_theme == (int)Tools::getValue('id_theme'))
				Configuration::updateValue('PS_PRODUCTS_PER_PAGE', $nb_product_per_page);

			if (isset($_FILES['image_preview']) && $_FILES['image_preview']['error'] == 0)
			{
				if (@getimagesize($_FILES['image_preview']['tmp_name']) && !ImageManager::validateUpload($_FILES['image_preview'], 300000))
					move_uploaded_file($_FILES['image_preview']['tmp_name'], _PS_ALL_THEMES_DIR_.$theme->directory.'/preview.jpg');
				else
				{
					$this->errors[] = $this->l('Image is not valid.');
					$this->display = 'form';

					return false;
				}
			}
			$theme->update();
		}
		Tools::redirectAdmin(Context::getContext()->link->getAdminLink('AdminThemes').'&conf=29');
	}

	protected function processUpdateOptions()
	{
		parent::processUpdateOptions();

		if (!count($this->errors))
			Tools::redirectAdmin(Context::getContext()->link->getAdminLink('AdminThemes').'&conf=6');
	}

	public function processDelete()
	{
		$obj = $this->loadObject();
		if ($obj)
		{

			if ($obj->isUsed())
			{
				$this->errors[] = $this->l('The theme is being used by at least one shop. Please choose another theme before continuing.');

				return false;
			}
			$themes = array();
			foreach (Theme::getThemes() as $theme)
			{
				if ($theme->id != $obj->id)
					$themes[] = $theme->directory;
			}

			if (is_dir(_PS_ALL_THEMES_DIR_.$obj->directory) && !in_array($obj->directory, $themes))
				Tools::deleteDirectory(_PS_ALL_THEMES_DIR_.$obj->directory.'/');

			$ids_themes = Tools::unSerialize(Configuration::get('PS_ADDONS_THEMES_IDS'));
			if (array_key_exists($obj->directory, $ids_themes))
				unset($ids_themes[$obj->directory]);

			$obj->removeMetas();
		}
		elseif ($obj === false && $theme_dir = Tools::getValue('theme_dir'))
		{
			$theme_dir = basename($theme_dir);
			if (Tools::deleteDirectory(_PS_ALL_THEMES_DIR_.$theme_dir.'/'))
				Tools::redirectAdmin(Context::getContext()->link->getAdminLink('AdminThemes').'&conf=2');
			else
				$this->errors[] = Tools::displayError('The folder cannot be deleted');
		}

		return parent::processDelete();
	}

	public function initPageHeaderToolbar()
	{
		parent::initPageHeaderToolbar();

		if (empty($this->display))
		{
			$this->page_header_toolbar_btn['import_theme'] = array(
				'href' => self::$currentIndex.'&action=importtheme&token='.$this->token,
				'desc' => $this->l('Add new theme', null, null, false),
				'icon' => 'process-icon-new'
			);

			if ($this->context->mode)
				unset($this->toolbar_btn['new']);

			$this->page_header_toolbar_btn['export_theme'] = array(
				'href' => self::$currentIndex.'&action=exporttheme&token='.$this->token,
				'desc' => $this->l('Export theme', null, null, false),
				'icon' => 'process-icon-export'
			);
		}

		if ($this->display == 'importtheme')
			$this->toolbar_title[] = $this->l('Import theme');
		elseif ($this->display == 'exporttheme')
			$this->toolbar_title[] = $this->l('Export theme');
		else
			$this->toolbar_title[] = $this->l('Theme');

		$title = implode(' '.Configuration::get('PS_NAVIGATION_PIPE').' ', $this->toolbar_title);
		$this->page_header_toolbar_title = $title;
	}

	private function checkParentClass($name)
	{
		if (!$obj = Module::getInstanceByName($name))
			return false;
		if (is_callable(array($obj,	 'validateOrder')))
			return false;
		if (is_callable(array($obj, 'getDateBetween')))
			return false;
		if (is_callable(array($obj, 'getGridEngines')))
			return false;
		if (is_callable(array($obj, 'getGraphEngines')))
			return false;
		if (is_callable(array($obj, 'hookAdminStatsModules')))
			return false;
		else
			return true;
	}

	private function checkNames()
	{
		$author = Tools::getValue('name');
		$theme_name = Tools::getValue('theme_name');

		if (!$author || !Validate::isGenericName($author) || strlen($author) > self::MAX_NAME_LENGTH)
			$this->errors[] = $this->l('Please enter a valid author name');
		elseif (!$theme_name || !Validate::isGenericName($theme_name) || strlen($theme_name) > self::MAX_NAME_LENGTH)
			$this->errors[] = $this->l('Please enter a valid theme name');

		if (count($this->errors) > 0)
			return false;

		return true;
	}

	private function checkDocumentation()
	{
		$extensions = array(
			'.pdf',
			'.txt'
		);

		if (isset($_FILES['documentation']) && $_FILES['documentation']['name'] != '')
		{
			$extension = strrchr($_FILES['documentation']['name'], '.');
			$name = Tools::getValue('documentationName');

			if (!in_array($extension, $extensions))
				$this->errors[] = $this->l('File extension must be .txt or .pdf');
			elseif ($_FILES['documentation']['error'] > 0 || $_FILES['documentation']['size'] > 1048576)
				$this->errors[] = $this->l('An error occurred during documentation upload');
			elseif (!$name || !Validate::isGenericName($name) || strlen($name) > self::MAX_NAME_LENGTH)
				$this->errors[] = $this->l('Please enter a valid documentation name');
		}

		if (count($this->errors) > 0)
			return false;

		return true;
	}

	private function checkVersionsAndCompatibility()
	{
		$exp = '#^[0-9]+[.]+[0-9.]*[0-9]$#';

		if (!preg_match('#^[0-9][.][0-9]$#', Tools::getValue('theme_version')) ||
			!preg_match($exp, Tools::getValue('compa_from')) || !preg_match($exp, Tools::getValue('compa_to')) ||
			version_compare(Tools::getValue('compa_from'), Tools::getValue('compa_to')) == 1
		)
			$this->errors[] = $this->l('Syntax error on version field. Only digits and periods (.) are allowed, and the compatibility version should be increasing or at least be equal to the previous version.');

		if (count($this->errors) > 0)
			return false;

		return true;
	}

	private function checkPostedDatas()
	{
		$mail = Tools::getValue('email');
		$website = Tools::getValue('website');

		if ($mail && !preg_match('#^[\w.-]+@[\w.-]+\.[a-zA-Z]{2,6}$#', $mail))
			$this->errors[] = $this->l('There is an error in your email syntax!');
		elseif ($website && (!Validate::isURL($website) || !Validate::isAbsoluteUrl($website)))
			$this->errors[] = $this->l('There is an error in your URL syntax!');
		elseif (!$this->checkVersionsAndCompatibility() || !$this->checkNames() || !$this->checkDocumentation())
			return false;
		else
			return true;

		return false;
	}

	private function archiveThisFile($obj, $file, $server_path, $archive_path)
	{
		if (is_dir($server_path.$file))
		{
			$dir = scandir($server_path.$file);
			foreach ($dir as $row)
			{
				if ($row != '.' && $row != '..')
					$this->archiveThisFile($obj, $row, $server_path.$file.'/', $archive_path.$file.'/');
			}
		}
		elseif (!$obj->addFile($server_path.$file, $archive_path.$file))
			$this->error = true;
	}

	private function generateArchive()
	{
		$zip = new ZipArchive();
		$zip_file_name = md5(time()).'.zip';
		if ($zip->open(_PS_CACHE_DIR_.$zip_file_name, ZipArchive::OVERWRITE) === true)
		{
			if (!$zip->addFromString('Config.xml', $this->xml_file))
				$this->errors[] = $this->l('Cannot create config file.');

			if (isset($_FILES['documentation']))
				if (!empty($_FILES['documentation']['tmp_name']) &&
					!empty($_FILES['documentation']['name']) &&
					!$zip->addFile($_FILES['documentation']['tmp_name'], 'doc/'.$_FILES['documentation']['name']))
					$this->errors[] = $this->l('Cannot copy documentation.');

			$given_path = realpath(_PS_ALL_THEMES_DIR_.Tools::getValue('theme_directory'));

			if ($given_path !== false)
			{
				$ps_all_theme_dir_lenght = strlen(realpath(_PS_ALL_THEMES_DIR_));
				$to_compare_path = substr($given_path, 0, $ps_all_theme_dir_lenght);
				if ($to_compare_path != realpath(_PS_ALL_THEMES_DIR_))
					$this->errors[] = $this->l('Wrong theme directory path');
				else
				{
					$this->archiveThisFile($zip, Tools::getValue('theme_directory'), _PS_ALL_THEMES_DIR_, 'themes/');
					foreach ($this->to_export as $row)
					{
						if (!in_array($row, $this->native_modules))
							$this->archiveThisFile($zip, $row, _PS_ROOT_DIR_.'/modules/', 'modules/');
					}
				}
			}
			else
				$this->errors[] = $this->l('Wrong theme directory path');

			$zip->close();

			if (!$this->errors)
			{
				if (ob_get_length() > 0)
					ob_end_clean();

				ob_start();
				header('Pragma: public');
				header('Expires: 0');
				header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
				header('Cache-Control: public');
				header('Content-Description: File Transfer');
				header('Content-type: application/octet-stream');
				header('Content-Disposition: attachment; filename="'.$zip_file_name.'"');
				header('Content-Transfer-Encoding: binary');
				ob_end_flush();
				readfile(_PS_CACHE_DIR_.$zip_file_name);
				@unlink(_PS_CACHE_DIR_.$zip_file_name);
				exit;
			}
		}

		$this->errors[] = $this->l('An error occurred during the archive generation');
	}

	private function generateXML($theme_to_export, $metas)
	{
		$theme = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><!-- Copyright PrestaShop --><theme></theme>');
		$theme->addAttribute('version', Tools::getValue('theme_version'));
		$theme->addAttribute('name', Tools::htmlentitiesUTF8(Tools::getValue('theme_name')));
		$theme->addAttribute('directory', Tools::htmlentitiesUTF8(Tools::getValue('theme_directory')));
		$author = $theme->addChild('author');
		$author->addAttribute('name', Tools::htmlentitiesUTF8(Tools::getValue('name')));
		$author->addAttribute('email', Tools::htmlentitiesUTF8(Tools::getValue('email')));
		$author->addAttribute('url', Tools::htmlentitiesUTF8(Tools::getValue('website')));

		$descriptions = $theme->addChild('descriptions');
		$languages = Language::getLanguages();
		foreach ($languages as $language)
		{
			$val = Tools::htmlentitiesUTF8(Tools::getValue('body_title_'.$language['id_lang']));
			$description = $descriptions->addChild('description', Tools::htmlentitiesUTF8($val));
			$description->addAttribute('iso', $language['iso_code']);
		}


		$variations = $theme->addChild('variations');

		$variation = $variations->addChild('variation');
		$variation->addAttribute('name', Tools::htmlentitiesUTF8(Tools::getValue('theme_name')));
		$variation->addAttribute('directory', Tools::getValue('theme_directory'));
		$variation->addAttribute('responsive', $theme_to_export->responsive);
		$variation->addAttribute('default_left_column', $theme_to_export->default_left_column);
		$variation->addAttribute('default_right_column', $theme_to_export->default_right_column);
		$variation->addAttribute('product_per_page', $theme_to_export->product_per_page);
		$variation->addAttribute('from', Tools::getValue('compa_from'));
		$variation->addAttribute('to', Tools::getValue('compa_to'));

		$docs = $theme->addChild('docs');
		if (isset($this->user_doc))
			foreach ($this->user_doc as $row)
			{
				$array = explode('¤', $row);
				$doc = $docs->addChild('doc');
				$doc->addAttribute('name', $array[0]);
				$doc->addAttribute('path', $array[1]);
			}

		$metas_xml = $theme->addChild('metas');

		foreach ($metas as $row)
		{
			$meta_obj = New Meta((int)$row['id_meta']);

			$meta_xml = $metas_xml->addChild('meta');
			$meta_xml->addAttribute('meta_page', $meta_obj->page);
			$meta_xml->addAttribute('left', $row['left_column']);
			$meta_xml->addAttribute('right', $row['right_column']);
		}
		$modules = $theme->addChild('modules');
		if (isset($this->to_export))
			foreach ($this->to_export as $row)
			{
				if (!in_array($row, $this->native_modules))
				{
					$module = $modules->addChild('module');
					$module->addAttribute('action', 'install');
					$module->addAttribute('name', $row);
				}
			}
		foreach ($this->to_enable as $row)
		{
			$module = $modules->addChild('module');
			$module->addAttribute('action', 'enable');
			$module->addAttribute('name', $row);
		}
		foreach ($this->to_disable as $row)
		{
			$module = $modules->addChild('module');
			$module->addAttribute('action', 'disable');
			$module->addAttribute('name', $row);
		}

		$hooks = $modules->addChild('hooks');
		foreach ($this->to_hook as $row)
		{
			$array = explode(';', $row);
			$hook = $hooks->addChild('hook');
			$hook->addAttribute('module', $array[0]);
			$hook->addAttribute('hook', $array[1]);
			$hook->addAttribute('position', $array[2]);
			if (!empty($array[3]))
				$hook->addAttribute('exceptions', $array[3]);
		}

		$images = $theme->addChild('images');
		foreach ($this->image_list as $row)
		{
			$array = explode(';', $row);
			$image = $images->addChild('image');
			$image->addAttribute('name', Tools::htmlentitiesUTF8($array[0]));
			$image->addAttribute('width', $array[1]);
			$image->addAttribute('height', $array[2]);
			$image->addAttribute('products', $array[3]);
			$image->addAttribute('categories', $array[4]);
			$image->addAttribute('manufacturers', $array[5]);
			$image->addAttribute('suppliers', $array[6]);
			$image->addAttribute('scenes', $array[7]);
		}
		$this->xml_file = $theme->asXML();
	}

	public function processExportTheme()
	{
		if (Tools::isSubmit('name'))
		{
			if ($this->checkPostedDatas())
			{
				$filename = Tools::htmlentitiesUTF8($_FILES['documentation']['name']);
				$name = Tools::htmlentitiesUTF8(Tools::getValue('documentationName'));
				$this->user_doc = array($name.'¤doc/'.$filename);


				$table = Db::getInstance()->executeS('
			SELECT name, width, height, products, categories, manufacturers, suppliers, scenes
			FROM `'._DB_PREFIX_.'image_type`');

				$this->image_list = array();
				foreach ($table as $row)
				{
					$this->image_list[] = $row['name'].';'.$row['width'].';'.$row['height'].';'.
						($row['products'] == 1 ? 'true' : 'false').';'.
						($row['categories'] == 1 ? 'true' : 'false').';'.
						($row['manufacturers'] == 1 ? 'true' : 'false').';'.
						($row['suppliers'] == 1 ? 'true' : 'false').';'.
						($row['scenes'] == 1 ? 'true' : 'false');
				}

				$id_shop = Db::getInstance()->getValue('SELECT `id_shop` FROM `'._DB_PREFIX_.'shop` WHERE `id_theme` = '.(int)Tools::getValue('id_theme_export'));

				// Select the list of module for this shop
				$this->module_list = Db::getInstance()->executeS('
				SELECT m.`id_module`, m.`name`, m.`active`, ms.`id_shop`
				FROM `'._DB_PREFIX_.'module` m
				LEFT JOIN `'._DB_PREFIX_.'module_shop` ms On (m.`id_module` = ms.`id_module`)
				WHERE ms.`id_shop` = '.(int)$id_shop.'
			');

				// Select the list of hook for this shop
				$this->hook_list = Db::getInstance()->executeS('
				SELECT h.`id_hook`, h.`name` as name_hook, hm.`position`, hm.`id_module`, m.`name` as name_module, GROUP_CONCAT(hme.`file_name`, ",") as exceptions
				FROM `'._DB_PREFIX_.'hook` h
				LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_hook` = h.`id_hook`
				LEFT JOIN `'._DB_PREFIX_.'module` m ON hm.`id_module` = m.`id_module`
				LEFT OUTER JOIN `'._DB_PREFIX_.'hook_module_exceptions` hme ON (hme.`id_module` = hm.`id_module` AND hme.`id_hook` = h.`id_hook`)
				WHERE hm.`id_shop` = '.(int)$id_shop.'
				GROUP BY `id_module`, `id_hook`
				ORDER BY `name_module`
			');

				$this->native_modules = $this->getNativeModule();

				foreach ($this->hook_list as &$row)
					$row['exceptions'] = trim(preg_replace('/(,,+)/', ',', $row['exceptions']), ',');

				$this->to_install = array();
				$this->to_enable = array();
				$this->to_hook = array();

				foreach ($this->module_list as $array)
				{
					if (!self::checkParentClass($array['name']))
						continue;
					if (in_array($array['name'], $this->native_modules))
					{
						if ($array['active'] == 1)
							$this->to_enable[] = $array['name'];
						else
							$this->to_disable[] = $array['name'];
					}
					elseif ($array['active'] == 1)
						$this->to_install[] = $array['name'];
				}
				foreach ($this->native_modules as $str)
				{
					$flag = 0;
					if (!self::checkParentClass($str))
						continue;
					foreach ($this->module_list as $tmp)
					{
						if (in_array($str, $tmp))
						{
							$flag = 1;
							break;
						}
					}
					if ($flag == 0)
						$this->to_disable[] = $str;
				}

				foreach ($_POST as $key => $value)
					if (strncmp($key, 'modulesToExport_module', strlen('modulesToExport_module')) == 0)
						$this->to_export[] = $value;

				if ($this->to_install)
					foreach ($this->to_install as $string)
					{
						foreach ($this->hook_list as $tmp)
						{
							if ($tmp['name_module'] == $string)
								$this->to_hook[] = $string.';'.$tmp['name_hook'].';'.$tmp['position'].';'.$tmp['exceptions'];
						}
					}
				if ($this->to_enable)
					foreach ($this->to_enable as $string)
					{
						foreach ($this->hook_list as $tmp)
						{
							if ($tmp['name_module'] == $string)
								$this->to_hook[] = $string.';'.$tmp['name_hook'].';'.$tmp['position'].';'.$tmp['exceptions'];
						}
					}

				$theme_to_export = New Theme((int)Tools::getValue('id_theme_export'));
				$metas = $theme_to_export->getMetas();

				$this->generateXML($theme_to_export, $metas);
				$this->generateArchive();
			}
			else
				$this->display = 'exporttheme';
		}
		else
			$this->display = 'exporttheme';
	}

	private function renderExportTheme1()
	{
		$to_install = array();

		$module_list = Db::getInstance()->executeS('
			SELECT m.`id_module`, m.`name`, m.`active`, ms.`id_shop`
			FROM `'._DB_PREFIX_.'module` m
			LEFT JOIN `'._DB_PREFIX_.'module_shop` ms On (m.`id_module` = ms.`id_module`)
			WHERE ms.`id_shop` = '.(int)$this->context->shop->id.'
		');

		// Select the list of hook for this shop
		$hook_list = Db::getInstance()->executeS('
			SELECT h.`id_hook`, h.`name` as name_hook, hm.`position`, hm.`id_module`, m.`name` as name_module, GROUP_CONCAT(hme.`file_name`, ",") as exceptions
			FROM `'._DB_PREFIX_.'hook` h
			LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_hook` = h.`id_hook`
			LEFT JOIN `'._DB_PREFIX_.'module` m ON hm.`id_module` = m.`id_module`
			LEFT OUTER JOIN `'._DB_PREFIX_.'hook_module_exceptions` hme ON (hme.`id_module` = hm.`id_module` AND hme.`id_hook` = h.`id_hook`)
			WHERE hm.`id_shop` = '.(int)$this->context->shop->id.'
			GROUP BY `id_module`, `id_hook`
			ORDER BY `name_module`
		');

		foreach ($hook_list as &$row)
			$row['exceptions'] = trim(preg_replace('/(,,+)/', ',', $row['exceptions']), ',');

		$native_modules = $this->getNativeModule();

		foreach ($module_list as $array)
		{
			if (!self::checkParentClass($array['name']))
				continue;
			if (in_array($array['name'], $native_modules))
			{
				if ($array['active'] == 1)
					$to_enable[] = $array['name'];
				else
					$to_disable[] = $array['name'];
			}
			elseif ($array['active'] == 1)
				$to_install[] = $array['name'];
		}
		foreach ($native_modules as $str)
		{
			$flag = 0;
			if (!$this->checkParentClass($str))
				continue;
			foreach ($module_list as $tmp)
			{
				if (in_array($str, $tmp))
				{
					$flag = 1;
					break;
				}
			}
			if ($flag == 0)
				$to_disable[] = $str;
		}

		$employee = $this->context->employee;
		$mail = Tools::getValue('email') ? Tools::getValue('email') : $employee->email;
		$author = Tools::getValue('author_name') ? Tools::getValue('author_name') : $employee->firstname.' '.$employee->lastname;
		$website = Tools::getValue('website') ? Tools::getValue('website') : Tools::getHttpHost(true);

		$this->formatHelperArray($to_install);

		$theme = New Theme(Tools::getValue('id_theme_export'));

		$fields_form = array(
			'form' => array(
				'tinymce' => false,
				'legend' => array(
					'title' => $this->l('Theme configuration'),
					'icon' => 'icon-picture'
				),
				'input' => array(
					array(
						'type' => 'hidden',
						'name' => 'id_theme_export'
					),
					array(
						'type' => 'text',
						'name' => 'name',
						'label' => $this->l('Name'),
					),
					array(
						'type' => 'text',
						'name' => 'email',
						'label' => $this->l('Email'),
					),
					array(
						'type' => 'text',
						'name' => 'website',
						'label' => $this->l('Website'),
					),
					array(
						'type' => 'text',
						'name' => 'theme_name',
						'label' => $this->l('Theme name'),
					),
					array(
						'type' => 'text',
						'name' => 'theme_directory',
						'label' => $this->l('Theme directory'),
					),
					array(
						'type' => 'text',
						'name' => 'body_title',
						'lang' => true,
						'label' => $this->l('Description'),
					),
					array(
						'type' => 'text',
						'name' => 'theme_version',
						'label' => $this->l('Theme version'),
					),
					array(
						'type' => 'text',
						'name' => 'compa_from',
						'label' => $this->l('Compatible from'),
					),
					array(
						'type' => 'text',
						'name' => 'compa_to',
						'label' => $this->l('Compatible to'),
					),
					array(
						'type' => 'file',
						'name' => 'documentation',
						'label' => $this->l('Documentation'),
					),
					array(
						'type' => 'text',
						'name' => 'documentationName',
						'label' => $this->l('Documentation name'),
					),
				),
				'submit' => array(
					'title' => $this->l('Save'),
				)
			)
		);

		if (count($to_install) > 0)
		{
			$fields_form['form']['input'][] = array(
				'type' => 'checkbox',
				'label' => $this->l('Select the theme\'s modules that you wish to export'),
				'values' => array(
					'query' => $this->formatHelperArray($to_install),
					'id' => 'id',
					'name' => 'name'
				),
				'name' => 'modulesToExport',
			);
		}

		$default_language = (int)$this->context->language->id;
		$languages = $this->getLanguages();

		foreach ($languages as $language)
			$fields_value['body_title'][$language['id_lang']] = '';

		$helper = new HelperForm();
		$helper->languages = $languages;
		$helper->default_form_language = $default_language;
		$fields_value['name'] = $author;
		$fields_value['email'] = $mail;
		$fields_value['website'] = $website;
		$fields_value['theme_name'] = $theme->name;
		$fields_value['theme_directory'] = $theme->directory;
		$fields_value['theme_version'] = '1.0';
		$fields_value['compa_from'] = _PS_VERSION_;
		$fields_value['compa_to'] = _PS_VERSION_;
		$fields_value['id_theme_export'] = Tools::getValue('id_theme_export');
		$fields_value['documentationName'] = $this->l('documentation');

		$toolbar_btn['save'] = array(
			'href' => '',
			'desc' => $this->l('Save')
		);

		$helper->currentIndex = $this->context->link->getAdminLink('AdminThemes', false).'&action=exporttheme';
		$helper->token = Tools::getAdminTokenLite('AdminThemes');
		$helper->show_toolbar = true;
		$helper->fields_value = $fields_value;
		$helper->toolbar_btn = $toolbar_btn;
		$helper->override_folder = $this->tpl_folder;

		return $helper->generateForm(array($fields_form));
	}

	public function renderExportTheme()
	{
		if (Tools::getIsset('id_theme_export') && (int)Tools::getValue('id_theme_export') > 0)
			return $this->renderExportTheme1();

		$theme_list = Theme::getThemes();
		$fields_form = array(
			'form' => array(
				'tinymce' => false,
				'legend' => array(
					'title' => $this->l('Theme'),
					'icon' => 'icon-picture'
				),
				'input' => array(
					array(
						'type' => 'select',
						'name' => 'id_theme_export',
						'label' => $this->l('Choose the theme that you want to export'),
						'options' => array(
							'id' => 'id',
							'name' => 'name',
							'query' => $theme_list,
						)

					),
				),
				'submit' => array(
					'title' => $this->l('Save'),
				)
			)
		);

		$toolbar_btn['save'] = array(
			'href' => '#',
			'desc' => $this->l('Export')
		);

		$fields_value['id_theme_export'] = array();
		$helper = new HelperForm();

		$helper->currentIndex = $this->context->link->getAdminLink('AdminThemes', false).'&action=exporttheme';
		$helper->token = Tools::getAdminTokenLite('AdminThemes');
		$helper->show_toolbar = true;
		$helper->fields_value = $fields_value;
		$helper->toolbar_btn = $toolbar_btn;
		$helper->override_folder = $this->tpl_folder;

		return $helper->generateForm(array($fields_form));
	}

	private function checkXmlFields($xml_file)
	{
		if (!file_exists($xml_file) || !$xml = simplexml_load_file($xml_file))
			return false;
		if (!$xml['version'] || !$xml['name'])
			return false;
		foreach ($xml->variations->variation as $val)
		{
			if (!$val['name'] || !$val['directory'] || !$val['from'] || !$val['to'])
				return false;
		}
		foreach ($xml->modules->module as $val)
		{
			if (!$val['action'] || !$val['name'])
				return false;
		}
		foreach ($xml->modules->hooks->hook as $val)
		{
			if (!$val['module'] || !$val['hook'] || !$val['position'])
				return false;
		}

		return true;
	}

	private function recurseCopy($src, $dst)
	{
		if (!$dir = opendir($src))
			return;
		if (!file_exists($dst))
			mkdir($dst);
		while (($file = readdir($dir)) !== false)
		{
			if (strncmp($file, '.', 1) != 0)
			{
				if (is_dir($src.'/'.$file))
					self::recurseCopy($src.'/'.$file, $dst.'/'.$file);
				elseif (is_readable($src.'/'.$file) && $file != 'Thumbs.db' && $file != '.DS_Store' && substr($file, -1) != '~')
					copy($src.'/'.$file, $dst.'/'.$file);
			}
		}
		closedir($dir);
	}

	public function processImportTheme()
	{
		$this->display = 'importtheme';

		if ($this->context->mode == Context::MODE_HOST)
			return true;

		if (isset($_FILES['themearchive']) && isset($_POST['filename']) && Tools::isSubmit('theme_archive_server'))
		{
			$uniqid = uniqid();
			$sandbox = _PS_CACHE_DIR_.'sandbox'.DIRECTORY_SEPARATOR.$uniqid.DIRECTORY_SEPARATOR;
			mkdir($sandbox);
			$archive_uploaded = false;

			if (Tools::getValue('filename') != '')
			{
				$uploader = new Uploader('themearchive');
				$uploader->setCheckFileSize(false);
				$uploader->setAcceptTypes(array('zip'));
				$uploader->setSavePath($sandbox);
				$file = $uploader->process(Theme::UPLOADED_THEME_DIR_NAME.'.zip');

				if ($file[0]['error'] === 0)
				{
					if (Tools::ZipTest($sandbox.Theme::UPLOADED_THEME_DIR_NAME.'.zip'))
						$archive_uploaded = true;
					else
						$this->errors[] = $this->l('Zip file seems to be broken');
				}
				else
					$this->errors[] = $file[0]['error'];

			}
			elseif (Tools::getValue('themearchiveUrl') != '')
			{
				if (!Validate::isModuleUrl($url = Tools::getValue('themearchiveUrl'), $this->errors))
					$this->errors[] = $this->l('Only zip files are allowed');
				elseif (!Tools::copy($url, $sandbox.Theme::UPLOADED_THEME_DIR_NAME.'.zip'))
					$this->errors[] = $this->l('Error during the file download');
				elseif (Tools::ZipTest($sandbox.Theme::UPLOADED_THEME_DIR_NAME.'.zip'))
					$archive_uploaded = true;
				else
					$this->errors[] = $this->l('Zip file seems to be broken');
			}
			elseif (Tools::getValue('theme_archive_server') != '')
			{
				$filename = _PS_ALL_THEMES_DIR_.Tools::getValue('theme_archive_server');
				if (substr($filename, -4) != '.zip')
					$this->errors[] = $this->l('Only zip files are allowed');
				elseif (!copy($filename, $sandbox.Theme::UPLOADED_THEME_DIR_NAME.'.zip'))
					$this->errors[] = $this->l('An error has occurred during the file copy.');
				elseif (Tools::ZipTest($sandbox.Theme::UPLOADED_THEME_DIR_NAME.'.zip'))
					$archive_uploaded = true;
				else
					$this->errors[] = $this->l('Zip file seems to be broken');
			}
			else
				$this->errors[] = $this->l('You must upload or enter a location of your zip');

			if ($archive_uploaded)
				if ($this->extractTheme($sandbox.Theme::UPLOADED_THEME_DIR_NAME.'.zip', $sandbox))
					$this->installTheme(Theme::UPLOADED_THEME_DIR_NAME, $sandbox);

			Tools::deleteDirectory($sandbox);

			if (count($this->errors) > 0)
				$this->display = 'importtheme';
			else
				Tools::redirectAdmin(Context::getContext()->link->getAdminLink('AdminThemes').'&conf=18');
		}
	}

	protected function extractTheme($theme_zip_file, $sandbox)
	{
		if (Tools::ZipExtract($theme_zip_file, $sandbox.Theme::UPLOADED_THEME_DIR_NAME.'/'))
			ret…