chocolatdemariage/www/override/controllers/admin/AdminCmsController.php

<?php 

class AdminCmsController extends AdminCmsControllerCore
{

	public function renderForm()
	{

		if (!$this->loadObject(true)) {
			return;
		}

		if (Validate::isLoadedObject($this->object)) {
			$this->display = 'edit';
		} else {
			$this->display = 'add';
		}

		$this->initToolbar();
		$this->initPageHeaderToolbar();

		$categories = CMSCategory::getCategories($this->context->language->id, false);
		$html_categories = CMSCategory::recurseCMSCategory($categories, $categories[0][1], 1, $this->getFieldValue($this->object, 'id_cms_category'), 1);

		$this->fields_form = array(
			'tinymce' => true,
			'legend' => array(
				'title' => $this->l('CMS Page'),
				'icon' => 'icon-folder-close'
			),
			'input' => array(
				// custom template
				array(
					'type' => 'select_category',
					'label' => $this->l('CMS Category'),
					'name' => 'id_cms_category',
					'options' => array(
						'html' => $html_categories,
					),
				),
				array(
					'type' => 'text',
					'label' => $this->l('Meta title'),
					'name' => 'meta_title',
					'id' => 'name', // for copyMeta2friendlyURL compatibility
					'lang' => true,
					'required' => true,
					'class' => 'copyMeta2friendlyURL',
					'hint' => $this->l('Invalid characters:').' &lt;&gt;;=#{}'
				),
				array(
					'type' => 'text',
					'label' => $this->l('Meta description'),
					'name' => 'meta_description',
					'lang' => true,
					'hint' => $this->l('Invalid characters:').' &lt;&gt;;=#{}'
				),
				array(
					'type' => 'tags',
					'label' => $this->l('Meta keywords'),
					'name' => 'meta_keywords',
					'lang' => true,
					'hint' => array(
						$this->l('To add "tags" click in the field, write something, and then press "Enter."'),
						$this->l('Invalid characters:').' &lt;&gt;;=#{}'
					)
				),
				array(
					'type' => 'text',
					'label' => $this->l('Friendly URL'),
					'name' => 'link_rewrite',
					'required' => true,
					'lang' => true,
					'hint' => $this->l('Only letters and the hyphen (-) character are allowed.')
				),
				array(
					'type' => 'textarea',
					'label' => $this->l('Intro'),
					'name' => 'content',
					'autoload_rte' => true,
					'lang' => true,
					'rows' => 5,
					'cols' => 40,
					'hint' => $this->l('Invalid characters:').' <>;=#{}'
				),
				array(
					'type' => 'switch',
					'label' => $this->l('Indexation by search engines'),
					'name' => 'indexation',
					'required' => false,
					'class' => 't',
					'is_bool' => true,
					'values' => array(
						array(
							'id' => 'indexation_on',
							'value' => 1,
							'label' => $this->l('Enabled')
						),
						array(
							'id' => 'indexation_off',
							'value' => 0,
							'label' => $this->l('Disabled')
						)
					),
				),
				array(
					'type' => 'switch',
					'label' => $this->l('Displayed'),
					'name' => 'active',
					'required' => false,
					'is_bool' => true,
					'values' => array(
						array(
							'id' => 'active_on',
							'value' => 1,
							'label' => $this->l('Enabled')
						),
						array(
							'id' => 'active_off',
							'value' => 0,
							'label' => $this->l('Disabled')
						)
					),
				),
			),
			'submit' => array(
				'title' => $this->l('Save'),
			),
			'buttons' => array(
				'save_and_preview' => array(
					'name' => 'viewcms',
					'type' => 'submit',
					'title' => $this->l('Save and preview'),
					'class' => 'btn btn-default pull-right',
					'icon' => 'process-icon-preview'
				)
			)
		);

		if (Shop::isFeatureActive()) {
			$this->fields_form['input'][] = array(
				'type' => 'shop',
				'label' => $this->l('Shop association'),
				'name' => 'checkBoxShopAsso',
			);
		}

		if (Validate::isLoadedObject($this->object)) {
			$this->context->smarty->assign('url_prev', $this->getPreviewUrl($this->object));
		}

		$languages = Language::getLanguages();

		// Gestion des matrices
		$matrices = !empty($this->object->id) && !empty($this->object->matrices) ? array_filter(unserialize(base64_decode($this->object->matrices))) : false;

		$this->context->smarty->assign(array(
			'base_dir' => _PS_BASE_URL_.__PS_BASE_URI__,
			'matrices' => $matrices,
			'languages' => $languages,
			'optionsClass' => self::getOptionsClass()
		));

		return AdminController::renderForm();
	}

	public static function getOptionsClass()
	{
		return array(
			'classStd' => 'Standard',
			'classImgLeft' => 'Image à gauche',
			'classImgRight' => 'Image à droite',
			'classExergue' => 'Exergue',
		);
	}

	public function copyFromPost(&$object, $table)
	{
		parent::copyFromPost($object, $table);

		$matrices = Tools::getValue('matrices', false);

		if ($matrices && !empty(array_filter($matrices))) {
			$matrices = array_values($matrices); // On réinitialise les index dans le cas où une matrice ait été supprimée

			// Upload des images par matrice, par langue
			foreach($matrices as $key => $matrice)
			{
				foreach($matrice['image'] as $id_lang => $img)
				{
					$matrices[$key]['image'][$id_lang] = (!empty($_FILES['matrices']['tmp_name'][$key]['image'][$id_lang])) ? $this->uploadMatriceImg($key, $id_lang) : $img['name'];
				}
			}

			// Serialization
			$object->matrices = base64_encode(serialize($matrices));
		}
		else {
			$object->matrices = null;
		}

	}

	public static function generateMatrice($idx)
	{
		$tpl = Context::getContext()->smarty->createTemplate(_PS_ROOT_DIR_.'/override/controllers/admin/templates/cms/helpers/form/matrice.tpl');
		$tpl->assign(array(
			'idx' => $idx,
			'matrices' => false,
			'languages' => Language::getLanguages(false),
			'optionsClass' => self::getOptionsClass(),
			'last' => true,
		));

		return $tpl->fetch();
	}

	public function uploadMatriceImg($key, $id_lang)
	{
		$folder = 'cms/matrices';

		$fileTemp = $_FILES['matrices']['tmp_name'][$key]['image'][$id_lang];
		$fileParts = pathinfo($_FILES['matrices']['name'][$key]['image'][$id_lang]);
		$name = $fileParts['filename'] . '-' . time();
		
		if($fileParts['extension'] == 'jpg' || $fileParts['extension'] == 'png')
		{
			if(!is_dir(_PS_IMG_DIR_.$folder))
			{
				mkdir(_PS_IMG_DIR_.$folder, 0775);
			}

			return move_uploaded_file($fileTemp, _PS_IMG_DIR_.$folder.'/'.$name.'.jpg') ? $name : false;
		} 
		else
		{
			return false;
		}
	}

}