<?php

/**
  * Categories class for AdminCatalog tab, AdminCategories.php
  * This file is part of a group with 2 other files : AdminCatalog.php and AdminProducts.php
  * @category admin
  *
  * @author PrestaShop <support@prestashop.com>
  * @copyright PrestaShop
  * @license http://www.opensource.org/licenses/osl-3.0.php Open-source licence 3.0
  * @version 1.3
  *
  */

include_once(PS_ADMIN_DIR.'/../classes/AdminTab.php');

class AdminCategories extends AdminTab
{
	protected $maxImageSize = 300000;

	/** @var object Category() instance for navigation*/
	private $_category;

	public function __construct()
	{
		global $cookie;
		
		$this->table = 'category';
	 	$this->className = 'Category';
	 	$this->lang = true;
	 	$this->edit = true;
	 	$this->view = true;
	 	$this->delete = true;

 		$this->fieldImageSettings = array('name' => 'image', 'dir' => 'c');

		$this->fieldsDisplay = array(
		'id_category' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 30),
		'name' => array('title' => $this->l('Name'), 'width' => 100, 'callback' => 'hideCategoryPosition'),
		'description' => array('title' => $this->l('Description'), 'width' => 560, 'maxlength' => 90, 'orderby' => false),
		'active' => array('title' => $this->l('Displayed'), 'active' => 'status', 'align' => 'center', 'type' => 'bool', 'orderby' => false));
		
		$this->_category = AdminCatalog::getCurrentCategory();
		$this->_filter = 'AND `id_parent` = '.intval($this->_category->id);

		parent::__construct();
	}

	public function displayList($token = NULL)
	{
		global $currentIndex;
		
		/* Display list header (filtering, pagination and column names) */
		$this->displayListHeader($token);
		if (!sizeof($this->_list))
			echo '<tr><td class="center" colspan="'.(sizeof($this->fieldsDisplay) + 2).'">'.$this->l('No items found').'</td></tr>';

		/* Show the content of the table */
		$this->displayListContent($token);

		/* Close list table and submit button */
		$this->displayListFooter($token);
	}

	public function display($token = NULL)
	{
		global $currentIndex, $cookie;

		$this->getList(intval($cookie->id_lang), !$cookie->__get($this->table.'Orderby') ? 'name' : NULL, !$cookie->__get($this->table.'Orderway') ? 'ASC' : NULL);
		echo '<h3>'.(!$this->_listTotal ? ($this->l('There are no subcategories')) : ($this->_listTotal.' '.($this->_listTotal > 1 ? $this->l('subcategories') : $this->l('subcategory')))).' '.$this->l('in category').' "'.stripslashes(Category::hideCategoryPosition($this->_category->getName())).'"</h3>';
		echo '<a href="'.__PS_BASE_URI__.substr($_SERVER['PHP_SELF'], strlen(__PS_BASE_URI__)).'?tab=AdminCatalog&add'.$this->table.'&id_parent='.Tools::getValue('id_category').'&token='.($token!=NULL ? $token : $this->token).'"><img src="../img/admin/add.gif" border="0" /> '.$this->l('Add a new subcategory').'</a>
		<div style="margin:10px;">';
		$this->displayList($token);
		echo '</div>';
	}

	public function postProcess($token = NULL)
	{
		global $cookie, $currentIndex;

		$this->tabAccess = Profile::getProfileAccess($cookie->profile, $this->id);

		if (Tools::isSubmit('submitAdd'.$this->table))
		{
			if ($id_category = intval(Tools::getValue('id_category')))
			{
				if (!Category::checkBeforeMove($id_category, intval(Tools::getValue('id_parent'))))
				{
					$this->_errors[] = Tools::displayError('category cannot be moved here');
					return false;
				}

				// Updating customer's group
				if ($this->tabAccess['edit'] !== '1')
					$this->_errors[] = Tools::displayError('You do not have permission to edit anything here.');
				else
				{
					$object = new $this->className($id_category);
					if (Tools::getValue('groupBox') != NULL)
					{
						if (Validate::isLoadedObject($object))
							$object->updateGroup(Tools::getValue('groupBox'));
						else
							$this->_errors[] = Tools::displayError('an error occurred while updating object').' <b>'.$this->table.'</b> '.Tools::displayError('(cannot load object)');
					}
					else
						$this->_errors[] = Tools::displayError('you must select at least one group');
				}
			}
		}
		/* Change object statuts (active, inactive) */
		elseif (isset($_GET['status']) AND Tools::getValue($this->identifier))
		{
			if ($this->tabAccess['edit'] === '1')
			{
				if (Validate::isLoadedObject($object = $this->loadObject()))
				{
					if ($object->toggleStatus())
					{
						
						$target = '';
						if (($id_category = intval(Tools::getValue('id_category'))) AND Tools::getValue('id_product'))
							$target = '&id_category='.$id_category;
						else 
						{
							$referrer = Tools::secureReferrer($_SERVER['HTTP_REFERER']);
							if (preg_match('/id_category=(\d+)/', $referrer, $matches))
								$target = '&id_category='.$matches[1];
						}
						
						Tools::redirectAdmin($currentIndex.'&conf=5'.$target.'&token='.Tools::getValue('token'));
					}
					else
						$this->_errors[] = Tools::displayError('an error occurred while updating status');
				}
				else
					$this->_errors[] = Tools::displayError('an error occurred while updating status for object').' <b>'.$this->table.'</b> '.Tools::displayError('(cannot load object)');
			}
			else
				$this->_errors[] = Tools::displayError('You do not have permission to edit anything here.');
		}
		/* Delete object */
		elseif (isset($_GET['delete'.$this->table]))
		{
			if ($this->tabAccess['delete'] === '1')
			{
				if (Validate::isLoadedObject($object = $this->loadObject()) AND isset($this->fieldImageSettings))
				{
					// check if request at least one object with noZeroObject
					if (isset($object->noZeroObject) AND sizeof($taxes = call_user_func(array($this->className, $object->noZeroObject))) <= 1)
						$this->_errors[] = Tools::displayError('you need at least one object').' <b>'.$this->table.'</b>'.Tools::displayError(', you cannot delete all of them');
					else
					{
						$this->deleteImage($object->id);
						if ($this->deleted)
						{
							$object->deleted = 1;
							if ($object->update())
								Tools::redirectAdmin($currentIndex.'&conf=1&token='.Tools::getValue('token').'&id_category='.intval($object->id_parent));
						}
						elseif ($object->delete())
							Tools::redirectAdmin($currentIndex.'&conf=1&token='.Tools::getValue('token').'&id_category='.intval($object->id_parent));
						$this->_errors[] = Tools::displayError('an error occurred during deletion');
					}
				}
				else
					$this->_errors[] = Tools::displayError('an error occurred while deleting object').' <b>'.$this->table.'</b> '.Tools::displayError('(cannot load object)');
			}
			else
				$this->_errors[] = Tools::displayError('You do not have permission to delete here.');
		}
		/* Delete multiple objects */
		elseif (Tools::getValue('submitDel'.$this->table))
		{
			if ($this->tabAccess['delete'] === '1')
			{
				if (isset($_POST[$this->table.'Box']))
				{
					$object = new $this->className();
					
					if (isset($object->noZeroObject) AND
						// Check if all object will be deleted
						(sizeof(call_user_func(array($this->className, $object->noZeroObject))) <= 1 OR sizeof($_POST[$this->table.'Box']) == sizeof(call_user_func(array($this->className, $object->noZeroObject)))))
						$this->_errors[] = Tools::displayError('you need at least one object').' <b>'.$this->table.'</b>'.Tools::displayError(', you cannot delete all of them');
					else
					{
						$result = true;
						if ($this->deleted)
						{
							foreach(Tools::getValue($this->table.'Box') as $id)
							{
								$toDelete = new $this->className($id);
								$toDelete->deleted = 1;
								$result = $result AND $toDelete->update();
							}
						}
						else
							$result = $object->deleteSelection(Tools::getValue($this->table.'Box'));
						
						if ($result)
						{
							$target = '';
							$referrer = Tools::secureReferrer($_SERVER['HTTP_REFERER']);
							if (preg_match('/id_category=(\d+)/', $referrer, $matches))
								$target = '&id_category='.$matches[1];

							Tools::redirectAdmin($currentIndex.'&conf=2&token='.Tools::getValue('token').$target);
						}
						$this->_errors[] = Tools::displayError('an error occurred while deleting selection');
					}
				}
				else
					$this->_errors[] = Tools::displayError('you must select at least one element to delete');
			}
			else
				$this->_errors[] = Tools::displayError('You do not have permission to delete here.');
		}
		parent::postProcess();
	}

	protected function postImage($id)
	{
		$ret = parent::postImage($id);
		if (($id_category = intval(Tools::getValue('id_category'))) AND isset($_FILES) AND sizeof($_FILES) AND file_exists(_PS_CAT_IMG_DIR_.$id_category.'.jpg'))
		{
			$imagesTypes = ImageType::getImagesTypes('categories');
			foreach ($imagesTypes AS $k => $imageType)
				imageResize(_PS_CAT_IMG_DIR_.$id_category.'.jpg', _PS_CAT_IMG_DIR_.$id_category.'-'.stripslashes($imageType['name']).'.jpg', intval($imageType['width']), intval($imageType['height']));
		}
		return $ret;
	}

	public function displayForm($token=NULL)
	{
		global $currentIndex, $cookie;
		parent::displayForm();

		$obj = $this->loadObject(true);
		$active = $this->getFieldValue($obj, 'active');
		$customer_groups = $obj->getGroups();

		echo '
		<form action="'.$currentIndex.'&submitAdd'.$this->table.'=1&token='.($token!=NULL ? $token : $this->token).'" method="post" enctype="multipart/form-data">
		'.($obj->id ? '<input type="hidden" name="id_'.$this->table.'" value="'.$obj->id.'" />' : '').'
			<fieldset class="width2" style="width:520px;"><legend><img src="../img/admin/tab-categories.gif" />'.$this->l('Category').'</legend>
				<label>'.$this->l('Name:').' </label>
				<div class="margin-form translatable">';
		foreach ($this->_languages as $language)
			echo '
					<div class="lang_'.$language['id_lang'].'" style="display: '.($language['id_lang'] == $this->_defaultFormLanguage ? 'block' : 'none').'; float: left;">
						<input type="text" style="width: 260px" name="name_'.$language['id_lang'].'" id="name_'.$language['id_lang'].'" value="'.htmlentities($this->getFieldValue($obj, 'name', intval($language['id_lang'])), ENT_COMPAT, 'UTF-8').'" '.((!$obj->id) ? ' onkeyup="copy2friendlyURL();"' : '').' /><sup> *</sup>
						<span class="hint" name="help_box">'.$this->l('Invalid characters:').' <>;=#{}<span class="hint-pointer">&nbsp;</span></span>
					</div>';
		echo '	<p class="clear"></p>
				</div>
				<label>'.$this->l('Displayed:').' </label>
				<div class="margin-form">
					<input type="radio" name="active" id="active_on" value="1" '.($active ? 'checked="checked" ' : '').'/>
					<label class="t" for="active_on"><img src="../img/admin/enabled.gif" alt="'.$this->l('Enabled').'" title="'.$this->l('Enabled').'" /></label>
					<input type="radio" name="active" id="active_off" value="0" '.(!$active ? 'checked="checked" ' : '').'/>
					<label class="t" for="active_off"><img src="../img/admin/disabled.gif" alt="'.$this->l('Disabled').'" title="'.$this->l('Disabled').'" /></label>
				</div>
				<label>'.$this->l('Parent category:').' </label>
				<div class="margin-form">
					<select name="id_parent">';
		$categories = Category::getCategories(intval($cookie->id_lang), false);
		Category::recurseCategory($categories, $categories[0][1], 1, $this->getFieldValue($obj, 'id_parent'));
		echo '
					</select>
				</div>
				<label>'.$this->l('Description:').' </label>
				<div class="margin-form translatable">';
		foreach ($this->_languages as $language)
			echo '
					<div class="lang_'.$language['id_lang'].'" style="display: '.($language['id_lang'] == $this->_defaultFormLanguage ? 'block' : 'none').'; float: left;">
						<textarea name="description_'.$language['id_lang'].'" rows="10" cols="80">'.htmlentities($this->getFieldValue($obj, 'description', intval($language['id_lang'])), ENT_COMPAT, 'UTF-8').'</textarea>
					</div>';
		echo '	<p class="clear"></p>
				</div>
				<label>'.$this->l('Image:').' </label>
				<div class="margin-form">';
		echo 		$this->displayImage($obj->id, _PS_IMG_DIR_.'c/'.$obj->id.'.jpg', 350, NULL, Tools::getAdminToken('AdminCatalog'.intval(Tab::getIdFromClassName('AdminCatalog')).intval($cookie->id_employee)));
		echo '	<br /><input type="file" name="image" />
					<p>'.$this->l('Upload category logo from your computer').'</p>
				</div>
				<div class="clear"><br /></div>	
				<label>'.$this->l('Meta title:').' </label>
				<div class="margin-form translatable">';
		foreach ($this->_languages as $language)
			echo '
					<div class="lang_'.$language['id_lang'].'" style="display: '.($language['id_lang'] == $this->_defaultFormLanguage ? 'block' : 'none').'; float: left;">
						<input type="text" name="meta_title_'.$language['id_lang'].'" id="meta_title_'.$language['id_lang'].'" value="'.htmlentities($this->getFieldValue($obj, 'meta_title', intval($language['id_lang'])), ENT_COMPAT, 'UTF-8').'" />
						<span class="hint" name="help_box">'.$this->l('Forbidden characters:').' <>;=#{}<span class="hint-pointer">&nbsp;</span></span>
					</div>';
		echo '	<p class="clear"></p>
				</div>
				<label>'.$this->l('Meta description:').' </label>
				<div class="margin-form translatable">';
		foreach ($this->_languages as $language)
			echo '<div class="lang_'.$language['id_lang'].'" style="display: '.($language['id_lang'] == $this->_defaultFormLanguage ? 'block' : 'none').'; float: left;">
						<input type="text" name="meta_description_'.$language['id_lang'].'" id="meta_description_'.$language['id_lang'].'" value="'.htmlentities($this->getFieldValue($obj, 'meta_description', intval($language['id_lang'])), ENT_COMPAT, 'UTF-8').'" />
						<span class="hint" name="help_box">'.$this->l('Forbidden characters:').' <>;=#{}<span class="hint-pointer">&nbsp;</span></span>
				</div>';
		echo '	<p class="clear"></p>
				</div>
				<label>'.$this->l('Meta keywords:').' </label>
				<div class="margin-form translatable">';
		foreach ($this->_languages as $language)
			echo '
					<div class="lang_'.$language['id_lang'].'" style="display: '.($language['id_lang'] == $this->_defaultFormLanguage ? 'block' : 'none').'; float: left;">
						<input type="text" name="meta_keywords_'.$language['id_lang'].'" id="meta_keywords_'.$language['id_lang'].'" value="'.htmlentities($this->getFieldValue($obj, 'meta_keywords', intval($language['id_lang'])), ENT_COMPAT, 'UTF-8').'" />
						<span class="hint" name="help_box">'.$this->l('Forbidden characters:').' <>;=#{}<span class="hint-pointer">&nbsp;</span></span>
					</div>';
		echo '	<p class="clear"></p>
				</div>
				<label>'.$this->l('Friendly URL:').' </label>
				<div class="margin-form translatable">';
		foreach ($this->_languages as $language)
			echo '<div class="lang_'.$language['id_lang'].'" style="display: '.($language['id_lang'] == $this->_defaultFormLanguage ? 'block' : 'none').'; float: left;">
						<input type="text" name="link_rewrite_'.$language['id_lang'].'" id="link_rewrite_'.$language['id_lang'].'" value="'.htmlentities($this->getFieldValue($obj, 'link_rewrite', intval($language['id_lang'])), ENT_COMPAT, 'UTF-8').'" onchange="this.value = str2url(this.value);" /><sup> *</sup>
						<span class="hint" name="help_box">'.$this->l('Only letters and the minus (-) character are allowed').'<span class="hint-pointer">&nbsp;</span></span>
					</div>';
		echo '	<p class="clear"></p>
				</div>
				<label>'.$this->l('Groups access:').' </label>
				<div class="margin-form">';
					$groups = Group::getGroups(intval($cookie->id_lang));
					if (sizeof($groups))
					{
						echo '
					<table cellspacing="0" cellpadding="0" class="table" style="width: 28em;">
						<tr>
							<th><input type="checkbox" name="checkme" class="noborder" onclick="checkDelBoxes(this.form, \'groupBox[]\', this.checked)"'.(!isset($obj->id) ? 'checked="checked" ' : '').' /></th>
							<th>'.$this->l('ID').'</th>
							<th>'.$this->l('Group name').'</th>
						</tr>';
						$irow = 0;
						foreach ($groups as $group)
							echo '
							<tr class="'.($irow++ % 2 ? 'alt_row' : '').'">
								<td><input type="checkbox" name="groupBox[]" class="groupBox" id="groupBox_'.$group['id_group'].'" value="'.$group['id_group'].'" '.((in_array($group['id_group'], $customer_groups) OR (!isset($obj->id))) ? 'checked="checked" ' : '').'/></td>
								<td>'.$group['id_group'].'</td>
								<td><label for="groupBox_'.$group['id_group'].'" class="t">'.$group['name'].'</label></td>
							</tr>';
						echo '
					</table>
					<p style="padding:0px; margin:10px 0px 10px 0px;">'.$this->l('Mark all groups you want to give access to this category').'</p>
					';
					} else
						echo '<p>'.$this->l('No group created').'</p>';
				echo '
				</div>
				<div class="margin-form">
					<input type="submit" value="'.$this->l('Save and back to parent category').'" name="submitAdd'.$this->table.'AndBackToParent" class="button" />
					&nbsp;<input type="submit" class="button" name="submitAdd'.$this->table.'" value="'.$this->l('Save').'"/>
				</div>
				<div class="small"><sup>*</sup> '.$this->l('Required field').'</div>
			</fieldset>
		</form>
		<p class="clear"></p>';
	}
}
