NEW Added product attributes feature

htdocs/attributes/admin/admin.php

@@ -0,0 +1,65 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
+
+$langs->load("admin");
+$langs->load("products");
+
+// Security check
+if (! $user->admin || (empty($conf->product->enabled) && empty($conf->service->enabled)))
+	accessforbidden();
+
+if ($_POST) {
+
+	$value = GETPOST('PRODUIT_ATTRIBUTES_HIDECHILD');
+
+	if (dolibarr_set_const($db, 'PRODUIT_ATTRIBUTES_HIDECHILD', $value, 'chaine', 0, '', $conf->entity)) {
+		setEventMessage($langs->trans('RecordSaved'));
+	} else {
+		setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+	}
+
+}
+
+$title = $langs->trans('ModuleSetup').' '.$langs->trans('ProductAttributes');
+llxHeader('', $title);
+
+$linkback='<a href="'.DOL_URL_ROOT.'/admin/modules.php">'.$langs->trans("BackToModuleList").'</a>';
+print load_fiche_titre($title,$linkback,'title_setup');
+
+dol_fiche_head(array(), 'general', $tab, 0, 'product');
+
+print '<form method="post">';
+print '<table class="noborder" width="100%">';
+print '<tr class="liste_titre">';
+print '<td>'.$langs->trans("Parameters").'</td>'."\n";
+print '<td align="right" width="60">'.$langs->trans("Value").'</td>'."\n";
+print '<td width="80">&nbsp;</td></tr>'."\n";
+print '<tr><td>'.$langs->trans('HideProductCombinations').'</td><td>';
+print $form->selectyesno("PRODUIT_ATTRIBUTES_HIDECHILD",$conf->global->PRODUIT_ATTRIBUTES_HIDECHILD,1).'</td></tr>';
+print '</table>';
+print '<br><div style="text-align: center"><input type="submit" value="'.$langs->trans('Save').'" class="button"></div>';
+print '</form>';
+
+llxFooter();
+
+$db->close();
+

htdocs/attributes/ajax/getCombinations.php

@@ -0,0 +1,50 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+define('NOTOKENRENEWAL','1');
+define('NOREQUIREMENU','1');
+define('NOREQUIREHTML','1');
+define('NOREQUIREAJAX','1');
+define('NOREQUIRESOC','1');
+
+require '../../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+
+header('Content-Type: application/json');
+
+$id = GETPOST('id');
+
+if (!$id) {
+	print json_encode(array(
+		'error' => 'ID not set'
+	));
+	die;
+}
+
+$product = new Product($db);
+
+if ($product->fetch($id) < 0) {
+	print json_encode(array(
+		'error' => 'Product not found'
+	));
+}
+
+$prodcomb = new ProductCombination($db);
+
+echo json_encode($prodcomb->getUniqueAttributesAndValuesByFkProductParent($product->id));

htdocs/attributes/ajax/get_attribute_values.php

@@ -0,0 +1,61 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+define('NOTOKENRENEWAL','1');
+define('NOREQUIREMENU','1');
+define('NOREQUIREHTML','1');
+define('NOREQUIREAJAX','1');
+define('NOREQUIRESOC','1');
+
+require '../../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttributeValue.class.php';
+
+header('Content-Type: application/json');
+
+$id = GETPOST('id');
+
+if (!$id) {
+	print json_encode(array(
+		'error' => 'ID not set'
+	));
+	die;
+}
+
+$prodattr = new ProductAttribute($db);
+
+if ($prodattr->fetch($id) < 0) {
+	print json_encode(array(
+		'error' => 'Attribute not found'
+	));
+	die;
+}
+
+$prodattrval = new ProductAttributeValue($db);
+
+$res = $prodattrval->fetchAllByProductAttribute($id);
+
+if ($res == -1) {
+	print json_encode(array(
+		'error' => 'Internal error'
+	));
+	die;
+}
+
+print json_encode($res);

htdocs/attributes/ajax/orderAttribute.php

@@ -0,0 +1,53 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (! defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL','1'); // Disable token renewal
+if (! defined('NOREQUIREMENU'))  define('NOREQUIREMENU','1');
+if (! defined('NOREQUIREHTML'))  define('NOREQUIREHTML','1');
+if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
+if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
+if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
+if (! defined('NOREQUIREHOOK'))  define('NOREQUIREHOOK','1');  // Disable "main.inc.php" hooks
+
+require '../../main.inc.php';
+
+/*
+ * View
+ */
+
+top_httphead();
+
+// Registering the location of boxes
+if (isset($_POST['roworder'])) {
+	$roworder=GETPOST('roworder','alpha',2);
+
+	dol_syslog("AjaxOrderAttribute roworder=".$roworder, LOG_DEBUG);
+
+	$rowordertab = explode(',', $roworder);
+
+	foreach ($rowordertab as $value) {
+		if (!empty($value)) {
+			$newrowordertab[] = $value;
+		}
+	}
+
+	require DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+
+	ProductAttribute::bulkUpdateOrder($db, $newrowordertab);
+}
+

htdocs/attributes/card.php

@@ -0,0 +1,245 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../main.inc.php';
+require 'class/ProductAttribute.class.php';
+require 'class/ProductAttributeValue.class.php';
+
+$id = GETPOST('id');
+$valueid = GETPOST('valueid');
+$action = GETPOST('action');
+$label = GETPOST('label');
+$ref = GETPOST('ref');
+$confirm = GETPOST('confirm');
+
+$prodattr = new ProductAttribute($db);
+$prodattrval = new ProductAttributeValue($db);
+
+if ($prodattr->fetch($id) < 1) {
+	dol_print_error($db, $langs->trans('ErrorRecordNotFound'));
+	die;
+}
+
+if ($_POST) {
+
+	if ($action == 'edit') {
+
+		$prodattr->label = $label;
+		$prodattr->ref = $ref;
+
+		if ($prodattr->update() < 1) {
+			setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+		} else {
+			setEventMessage($langs->trans('RecordSaved'));
+			header('Location: '.dol_buildpath('/attributes/card.php?id='.$id, 2));
+			die;
+		}
+	} elseif ($action == 'edit_value') {
+
+		if ($prodattrval->fetch($valueid) > 0) {
+
+			$prodattrval->ref = $ref;
+			$prodattrval->value = GETPOST('value');
+
+			if ($prodattrval->update() > 0) {
+				setEventMessage($langs->trans('RecordSaved'));
+			} else {
+				setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			}
+		}
+
+		header('Location: '.dol_buildpath('/attributes/card.php?id='.$prodattr->id, 2));
+		die;
+	}
+
+}
+
+if ($confirm == 'yes') {
+	if ($action == 'confirm_delete') {
+
+		$db->begin();
+
+		$res = $prodattrval->deleteByFkAttribute($prodattr->id);
+
+		if ($res < 1 || ($prodattr->delete() < 1)) {
+			$db->rollback();
+			setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			header('Location: '.dol_buildpath('/attributes/card.php?id='.$prodattr->id, 2));
+		} else {
+			$db->commit();
+			setEventMessage($langs->trans('RecordSaved'));
+			header('Location: '.dol_buildpath('/attributes/list.php', 2));
+		}
+
+		die;
+	} elseif ($action == 'confirm_deletevalue') {
+
+		if ($prodattrval->fetch($valueid) > 0) {
+
+			if ($prodattrval->delete() < 1) {
+				setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			} else {
+				setEventMessage($langs->trans('RecordSaved'));
+			}
+
+			header('Location: '.dol_buildpath('/attributes/card.php?id='.$prodattr->id, 2));
+			die;
+		}
+	}
+}
+
+$langs->load('products');
+
+$title = $langs->trans('ProductAttributeName', dol_htmlentities($prodattr->label));
+$var = false;
+
+llxHeader('', $title);
+
+print_fiche_titre($title);
+
+dol_fiche_head();
+
+if ($action == 'edit') {
+	print '<form method="post">';
+}
+
+?>
+	<table class="border" style="width: 100%">
+		<tr>
+			<td style="width: 15%" class="fieldrequired"><?php echo $langs->trans('Ref') ?></td>
+			<td>
+				<?php if ($action == 'edit') {
+					print '<input type="text" name="ref" value="'.$prodattr->ref.'">';
+				} else {
+					print dol_htmlentities($prodattr->ref);
+				} ?>
+			</td>
+		</tr>
+		<tr>
+			<td style="width: 15%" class="fieldrequired"><?php echo $langs->trans('Label') ?></td>
+			<td>
+				<?php if ($action == 'edit') {
+					print '<input type="text" name="label" value="'.$prodattr->label.'">';
+				} else {
+					print dol_htmlentities($prodattr->label);
+				} ?>
+			</td>
+		</tr>
+
+	</table>
+
+<?php
+dol_fiche_end();
+
+if ($action == 'edit') { ?>
+	<div style="text-align: center;">
+		<div class="inline-block divButAction">
+			<input type="submit" class="button" value="<?php echo $langs->trans('Save') ?>">
+			<a href="card.php?id=<?php echo $prodattr->id ?>" class="butAction"><?php echo $langs->trans('Cancel') ?></a>
+		</div>
+	</div></form>
+<?php } else {
+
+	if ($action == 'delete') {
+		$form = new Form($db);
+
+		print $form->formconfirm(
+			"card.php?id=".$prodattr->id,
+			$langs->trans('Delete'),
+			$langs->trans('ProductAttributeDeleteDialog'),
+			"confirm_delete",
+			'',
+			0,
+			1
+		);
+	} elseif ($action == 'delete_value') {
+
+		if ($prodattrval->fetch($valueid) > 0) {
+
+			$form = new Form($db);
+
+			print $form->formconfirm(
+				"card.php?id=".$prodattr->id."&valueid=".$prodattrval->id,
+				$langs->trans('Delete'),
+				$langs->trans('ProductAttributeValueDeleteDialog', dol_htmlentities($prodattrval->value), dol_htmlentities($prodattrval->ref)),
+				"confirm_deletevalue",
+				'',
+				0,
+				1
+			);
+		}
+	}
+
+	?>
+
+	<div class="tabsAction">
+		<div class="inline-block divButAction">
+			<a href="card.php?id=<?php echo $prodattr->id ?>&action=edit" class="butAction"><?php echo $langs->trans('Modify') ?></a>
+			<a href="card.php?id=<?php echo $prodattr->id ?>&action=delete" class="butAction"><?php echo $langs->trans('Delete') ?></a>
+		</div>
+	</div>
+
+	<?php if ($action == 'edit_value'): ?>
+	<form method="post">
+	<?php endif ?>
+
+	<table class="liste">
+		<tr class="liste_titre">
+			<th class="liste_titre"><?php echo $langs->trans('Ref') ?></th>
+			<th class="liste_titre"><?php echo $langs->trans('Value') ?></th>
+			<th class="liste_titre"></th>
+		</tr>
+
+		<?php foreach ($prodattrval->fetchAllByProductAttribute($prodattr->id) as $attrval): ?>
+		<tr <?php echo $bc[!$var] ?>>
+			<?php if ($action == 'edit_value' && ($valueid == $attrval->id)): ?>
+				<td><input type="text" name="ref" value="<?php echo $attrval->ref ?>"></td>
+				<td><input type="text" name="value" value="<?php echo $attrval->value ?>"></td>
+				<td style="text-align: right">
+					<input type="submit" value="<?php echo $langs->trans('Save') ?>" class="button">
+					<a href="card.php?id=<?php echo $prodattr->id ?>" class="butAction"><?php echo $langs->trans('Cancel') ?></a>
+				</td>
+			<?php else: ?>
+				<td><?php echo dol_htmlentities($attrval->ref) ?></td>
+				<td><?php echo dol_htmlentities($attrval->value) ?></td>
+				<td style="text-align: right">
+					<a href="card.php?id=<?php echo $prodattr->id ?>&action=edit_value&valueid=<?php echo $attrval->id ?>"><?php echo img_edit() ?></a>
+					<a href="card.php?id=<?php echo $prodattr->id ?>&action=delete_value&valueid=<?php echo $attrval->id ?>"><?php echo img_delete() ?></a>
+				</td>
+			<?php endif; ?>
+		</tr>
+		<?php
+			$var = !$var;
+			endforeach
+		?>
+	</table>
+
+	<?php if ($action == 'edit_value'): ?>
+	</form>
+	<?php endif ?>
+
+	<div class="tabsAction">
+		<div class="inline-block divButAction">
+			<a href="create_val.php?id=<?php echo $prodattr->id ?>" class="butAction"><?php echo $langs->trans('Create') ?></a>
+		</div>
+	</div>
+
+	<?php
+}
+
+llxFooter();

htdocs/attributes/class/ProductAttribute.class.php

@@ -0,0 +1,317 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+class ProductAttribute
+{
+	/**
+	 * Database handler
+	 * @var DoliDB
+	 */
+	private $db;
+
+	/**
+	 * Id of the product attribute
+	 * @var int
+	 */
+	public $id;
+
+	/**
+	 * Ref of the product attribute
+	 * @var
+	 */
+	public $ref;
+
+	/**
+	 * Label of the product attribute
+	 * @var string
+	 */
+	public $label;
+
+	/**
+	 * Order of attribute.
+	 * Lower ones will be shown first and higher ones last
+	 * @var int
+	 */
+	public $rang;
+
+	public function __construct(DoliDB $db)
+	{
+		global $conf;
+
+		$this->db = $db;
+		$this->entity = $conf->entity;
+	}
+
+	/**
+	 * Fetches the properties of a product attribute
+	 *
+	 * @param int $id Attribute id
+	 * @return int <1 KO, >1 OK
+	 */
+	public function fetch($id)
+	{
+		if (!$id) {
+			return -1;
+		}
+
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$sql = "SELECT rowid, ref, label, rang FROM ".MAIN_DB_PREFIX."product_attribute WHERE rowid = ".(int) $id." AND entity IN (".getProductEntities($this->db).")";
+
+		$query = $this->db->query($sql);
+
+		if (!$this->db->num_rows($query)) {
+			return -1;
+		}
+
+		$result = $this->db->fetch_object($query);
+
+		$this->id = $result->rowid;
+		$this->ref = $result->ref;
+		$this->label = $result->label;
+		$this->rang = $result->rang;
+
+		return 1;
+	}
+
+	/**
+	 * Returns an array of all product attributes
+	 *
+	 * @return ProductAttribute[]
+	 */
+	public function fetchAll()
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$return = array();
+
+		$sql = 'SELECT rowid, ref, label, rang FROM '.MAIN_DB_PREFIX."product_attribute WHERE entity IN (".getProductEntities($this->db).')';
+		$sql .= $this->db->order('rang', 'asc');
+		$query = $this->db->query($sql);
+
+		while ($result = $this->db->fetch_object($query)) {
+
+			$tmp = new ProductAttribute($this->db);
+			$tmp->id = $result->rowid;
+			$tmp->ref = $result->ref;
+			$tmp->label = $result->label;
+			$tmp->rang = $result->rang;
+
+			$return[] = $tmp;
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Creates a product attribute
+	 *
+	 * @return int <0 KO, >0 OK
+	 */
+	public function create()
+	{
+		//Ref must be uppercase
+		$this->ref = strtoupper($this->ref);
+
+		$sql = "INSERT INTO ".MAIN_DB_PREFIX."product_attribute (ref, label, entity, rang) 
+		VALUES ('".$this->db->escape($this->ref)."', '".$this->db->escape($this->label)."', ".(int) $this->entity.", ".(int) $this->rang.")";
+		$query = $this->db->query($sql);
+
+		if ($query) {
+			$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.'product_attribute');
+
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Updates a product attribute
+	 *
+	 * @return int <0 KO, >0 OK
+	 */
+	public function update()
+	{
+		//Ref must be uppercase
+		$this->ref = strtoupper($this->ref);
+
+		$sql = "UPDATE ".MAIN_DB_PREFIX."product_attribute SET ref = '".$this->db->escape($this->ref)."', label = '".$this->db->escape($this->label)."', rang = ".(int) $this->rang." WHERE rowid = ".(int) $this->id;
+
+		if ($this->db->query($sql)) {
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Deletes a product attribute
+	 *
+	 * @return int <0 KO, >0 OK
+	 */
+	public function delete()
+	{
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."product_attribute WHERE rowid = ".(int) $this->id;
+
+		if ($this->db->query($sql)) {
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Returns the number of products that are using this attribute
+	 *
+	 * @return int
+	 */
+	public function countChildProducts()
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$sql = "SELECT COUNT(*) count FROM ".MAIN_DB_PREFIX."product_attribute_combination2val pac2v
+		LEFT JOIN ".MAIN_DB_PREFIX."product_attribute_combination pac ON pac2v.fk_prod_combination = pac.rowid WHERE pac2v.fk_prod_attr = ".(int) $this->id." AND pac.entity IN (".getProductEntities($this->db).")";
+
+		$query = $this->db->query($sql);
+
+		$result = $this->db->fetch_object($query);
+
+		return $result->count;
+	}
+
+	/**
+	 * Reorders the order of the attributes.
+	 * This is an internal function used by moveLine function
+	 *
+	 * @return int <0 KO >0 OK
+	 */
+	protected function reorderLines()
+	{
+		$tmp_order = array();
+
+		$sql = 'SELECT rowid FROM '.MAIN_DB_PREFIX.'product_attribute WHERE rang = 0';
+		$sql .= $this->db->order('rang, rowid', 'asc');
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		while ($result = $this->db->fetch_object($query)) {
+			$tmp_order[] = $result->rowid;
+		}
+
+		foreach ($tmp_order as $order => $rowid) {
+			$tmp = new ProductAttribute($this->db);
+			$tmp->fetch($rowid);
+			$tmp->rang = $order+1;
+
+			if ($tmp->update() < 0) {
+				return -1;
+			}
+		}
+
+		return 1;
+	}
+
+	/**
+	 * Internal function to handle moveUp and moveDown functions
+	 *
+	 * @param string $type up/down
+	 * @return int <0 KO >0 OK
+	 */
+	private function moveLine($type)
+	{
+		if ($this->reorderLines() < 0) {
+			return -1;
+		}
+
+		$this->db->begin();
+
+		if ($type == 'up') {
+			$newrang = $this->rang - 1;
+		} else {
+			$newrang = $this->rang + 1;
+		}
+
+		$sql = 'UPDATE '.MAIN_DB_PREFIX.'product_attribute SET rang = '.$this->rang.' WHERE rang = '.$newrang;
+
+		if (!$this->db->query($sql)) {
+			$this->db->rollback();
+			return -1;
+		}
+
+		$this->rang = $newrang;
+
+		if ($this->update() < 0) {
+			$this->db->rollback();
+			return -1;
+		}
+
+		$this->db->commit();
+		return 1;
+	}
+
+	/**
+	 * Shows this attribute before others
+	 *
+	 * @return int <0 KO >0 OK
+	 */
+	public function moveUp()
+	{
+		return $this->moveLine('up');
+	}
+
+	/**
+	 * Shows this attribute after others
+	 * 
+	 * @return int <0 KO >0 OK
+	 */
+	public function moveDown()
+	{
+		return $this->moveLine('down');
+	}
+
+	/**
+	 * Updates the order of all attributes. Used by AJAX page for drag&drop
+	 *
+	 * @param DoliDB $db Database handler
+	 * @param array $order Array with row id ordered in ascendent mode
+	 * @return int <0 KO >0 OK
+	 */
+	public static function bulkUpdateOrder(DoliDB $db, array $order)
+	{
+		$tmp = new ProductAttribute($db);
+
+		foreach ($order as $key => $attrid) {
+			if ($tmp->fetch($attrid) < 0) {
+				return -1;
+			}
+
+			$tmp->rang = $key;
+
+			if ($tmp->update() < 0) {
+				return -1;
+			}
+		}
+
+		return 1;
+	}
+}

htdocs/attributes/class/ProductAttributeValue.class.php

@@ -0,0 +1,221 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+class ProductAttributeValue
+{
+	/**
+	 * Database handler
+	 * @var DoliDB
+	 */
+	private $db;
+
+	/**
+	 * Attribute value id
+	 * @var int
+	 */
+	public $id;
+
+	/**
+	 * Product attribute id
+	 * @var int
+	 */
+	public $fk_product_attribute;
+
+	/**
+	 * Attribute value ref
+	 * @var string
+	 */
+	public $ref;
+
+	/**
+	 * Attribute value value
+	 * @var string
+	 */
+	public $value;
+
+	public function __construct(DoliDB $db)
+	{
+		global $conf;
+
+		$this->db = $db;
+		$this->entity = $conf->entity;
+	}
+
+	/**
+	 * Gets a product attribute value
+	 *
+	 * @param int $valueid Product attribute value id
+	 * @return int <0 KO, >0 OK
+	 */
+	public function fetch($valueid)
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$sql = "SELECT rowid, fk_product_attribute, ref, value FROM ".MAIN_DB_PREFIX."product_attribute_value WHERE rowid = ".(int) $valueid." AND entity IN (".getProductEntities($this->db).")";
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		if (!$this->db->num_rows($query)) {
+			return -1;
+		}
+
+		$result = $this->db->fetch_object($query);
+
+		$this->id = $result->rowid;
+		$this->fk_product_attribute = $result->fk_product_attribute;
+		$this->ref = $result->ref;
+		$this->value = $result->value;
+
+		return 1;
+	}
+
+	/**
+	 * Returns all product attribute values of a product attribute
+	 *
+	 * @param int $prodattr_id Product attribute id
+	 * @param bool $only_used Fetch only used attribute values
+	 * @return ProductAttributeValue[]
+	 */
+	public function fetchAllByProductAttribute($prodattr_id, $only_used = false)
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$return = array();
+
+		$sql = 'SELECT ';
+		
+		if ($only_used) {
+			$sql .= 'DISTINCT ';
+		}
+		
+		$sql .= 'v.fk_product_attribute, v.rowid, v.ref, v.value FROM '.MAIN_DB_PREFIX.'product_attribute_value v ';
+
+		if ($only_used) {
+			$sql .= 'LEFT JOIN '.MAIN_DB_PREFIX.'product_attribute_combination2val c2v ON c2v.fk_prod_attr_val = v.rowid ';
+			$sql .= 'LEFT JOIN '.MAIN_DB_PREFIX.'product_attribute_combination c ON c.rowid = c2v.fk_prod_combination ';
+			$sql .= 'LEFT JOIN '.MAIN_DB_PREFIX.'product p ON p.rowid = c.fk_product_child ';
+		}
+		
+		$sql .= 'WHERE v.fk_product_attribute = '.(int) $prodattr_id;
+		
+		if ($only_used) {
+			$sql .= ' AND c2v.rowid IS NOT NULL AND p.tosell = 1';
+		}
+
+		$query = $this->db->query($sql);
+
+		while ($result = $this->db->fetch_object($query)) {
+
+			$tmp = new ProductAttributeValue($this->db);
+			$tmp->fk_product_attribute = $result->fk_product_attribute;
+			$tmp->id = $result->rowid;
+			$tmp->ref = $result->ref;
+			$tmp->value = $result->value;
+
+			$return[] = $tmp;
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Creates a value for a product attribute
+	 *
+	 * @return int <0 KO >0 OK
+	 */
+	public function create()
+	{
+		if (!$this->fk_product_attribute) {
+			return -1;
+		}
+
+		//Ref must be uppercase
+		$this->ref = strtoupper($this->ref);
+
+		$sql = "INSERT INTO ".MAIN_DB_PREFIX."product_attribute_value (fk_product_attribute, ref, value, entity)
+		VALUES ('".(int) $this->fk_product_attribute."', '".$this->db->escape($this->ref)."',
+		'".$this->db->escape($this->value)."', ".(int) $this->entity.")";
+
+		$query = $this->db->query($sql);
+
+		if ($query) {
+			$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.'product_attribute_value');
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Updates a product attribute value
+	 *
+	 * @return int
+	 */
+	public function update()
+	{
+		//Ref must be uppercase
+		$this->ref = strtoupper($this->ref);
+
+		$sql = "UPDATE ".MAIN_DB_PREFIX."product_attribute_value
+		SET fk_product_attribute = '".(int) $this->fk_product_attribute."', ref = '".$this->db->escape($this->ref)."',
+		value = '".$this->db->escape($this->value)."' WHERE rowid = ".(int) $this->id;
+
+		if ($this->db->query($sql)) {
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Deletes a product attribute value
+	 *
+	 * @return int <0 KO, >0 OK
+	 */
+	public function delete()
+	{
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."product_attribute_value WHERE rowid = ".(int) $this->id;
+
+		if ($this->db->query($sql)) {
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Deletes all product attribute values by a product attribute id
+	 *
+	 * @param int $fk_attribute Product attribute id
+	 * @return int <0 KO, >0 OK
+	 */
+	public function deleteByFkAttribute($fk_attribute)
+	{
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."product_attribute_value WHERE fk_product_attribute = ".(int) $fk_attribute;
+
+		if ($this->db->query($sql)) {
+			return 1;
+		}
+
+		return -1;
+	}
+}

htdocs/attributes/class/ProductCombination.class.php

@@ -0,0 +1,641 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+class ProductCombination
+{
+	/**
+	 * Database handler
+	 * @var DoliDB
+	 */
+	private $db;
+
+	/**
+	 * Rowid of combination
+	 * @var int
+	 */
+	public $id;
+
+	/**
+	 * Rowid of parent product
+	 * @var int
+	 */
+	public $fk_product_parent;
+
+	/**
+	 * Rowid of child product
+	 * @var int
+	 */
+	public $fk_product_child;
+
+	/**
+	 * Price variation
+	 * @var float
+	 */
+	public $variation_price;
+
+	/**
+	 * Is the price variation a relative variation?
+	 * @var bool
+	 */
+	public $variation_price_percentage = false;
+
+	/**
+	 * Weight variation
+	 * @var float
+	 */
+	public $variation_weight;
+
+	/**
+	 * Combination entity
+	 * @var int
+	 */
+	public $entity;
+
+	public function __construct(DoliDB $db)
+	{
+		global $conf;
+
+		$this->db = $db;
+		$this->entity = $conf->entity;
+	}
+
+	/**
+	 * Retrieves a combination by its rowid
+	 *
+	 * @param int $rowid Row id
+	 * @return int <0 KO, >0 OK
+	 */
+	public function fetch($rowid)
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$sql = "SELECT rowid, fk_product_parent, fk_product_child, variation_price, variation_price_percentage, variation_weight FROM ".MAIN_DB_PREFIX."product_attribute_combination WHERE rowid = ".(int) $rowid." AND entity IN (".getProductEntities($this->db).")";
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		if (!$this->db->num_rows($query)) {
+			return -1;
+		}
+
+		$result = $this->db->fetch_object($query);
+
+		$this->id = $result->rowid;
+		$this->fk_product_parent = $result->fk_product_parent;
+		$this->fk_product_child = $result->fk_product_child;
+		$this->variation_price = $result->variation_price;
+		$this->variation_price_percentage = $result->variation_price_percentage;
+		$this->variation_weight = $result->variation_weight;
+
+		return 1;
+	}
+
+	/**
+	 * Retrieves a product combination by a child product row id
+	 *
+	 * @param int $fk_child Product row id
+	 * @return int <0 KO, >0 OK
+	 */
+	public function fetchByFkProductChild($fk_child)
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$sql = "SELECT rowid, fk_product_parent, fk_product_child, variation_price, variation_price_percentage, variation_weight FROM ".MAIN_DB_PREFIX."product_attribute_combination WHERE fk_product_child = ".(int) $fk_child." AND entity IN (".getProductEntities($this->db).")";
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		if (!$this->db->num_rows($query)) {
+			return -1;
+		}
+
+		$result = $this->db->fetch_object($query);
+
+		$this->id = $result->rowid;
+		$this->fk_product_parent = $result->fk_product_parent;
+		$this->fk_product_child = $result->fk_product_child;
+		$this->variation_price = $result->variation_price;
+		$this->variation_price_percentage = $result->variation_price_percentage;
+		$this->variation_weight = $result->variation_weight;
+
+		return 1;
+	}
+
+	/**
+	 * Retrieves all product combinations by the product parent row id
+	 *
+	 * @param int $fk_product_parent Rowid of parent product
+	 * @return int|ProductCombination[] <0 KO
+	 */
+	public function fetchAllByFkProductParent($fk_product_parent)
+	{
+		require_once __DIR__.'/../lib/product_attributes.lib.php';
+
+		$sql = "SELECT rowid, fk_product_parent, fk_product_child, variation_price, variation_price_percentage, variation_weight FROM ".MAIN_DB_PREFIX."product_attribute_combination WHERE fk_product_parent = ".(int) $fk_product_parent." AND entity IN (".getProductEntities($this->db).")";
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		$return = array();
+
+		while ($result = $this->db->fetch_object($query)) {
+
+			$tmp = new ProductCombination($this->db);
+			$tmp->id = $result->rowid;
+			$tmp->fk_product_parent = $result->fk_product_parent;
+			$tmp->fk_product_child = $result->fk_product_child;
+			$tmp->variation_price = $result->variation_price;
+			$tmp->variation_price_percentage = $result->variation_price_percentage;
+			$tmp->variation_weight = $result->variation_weight;
+
+			$return[] = $tmp;
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Creates a product attribute combination
+	 *
+	 * @return int
+	 */
+	public function create()
+	{
+		$sql = "INSERT INTO ".MAIN_DB_PREFIX."product_attribute_combination
+		(fk_product_parent, fk_product_child, variation_price, variation_price_percentage, variation_weight, entity)
+		VALUES (".(int) $this->fk_product_parent.", ".(int) $this->fk_product_child.",
+		".(float) $this->variation_price.", ".(int) $this->variation_price_percentage.",
+		".(float) $this->variation_weight.", ".(int) $this->entity.")";
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.'product_attribute_combination');
+
+		return 1;
+	}
+
+	/**
+	 * Updates a product combination
+	 *
+	 * @return int <0 KO, >0 OK
+	 */
+	public function update()
+	{
+		$sql = "UPDATE ".MAIN_DB_PREFIX."product_attribute_combination
+		SET fk_product_parent = ".(int) $this->fk_product_parent.", fk_product_child = ".(int) $this->fk_product_child.",
+		variation_price = ".(float) $this->variation_price.", variation_price_percentage = ".(int) $this->variation_price_percentage.",
+		variation_weight = ".(float) $this->variation_weight." WHERE rowid = ".(int) $this->id;
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		$parent = new Product($this->db);
+		$parent->fetch($this->fk_product_parent);
+
+		$this->updateProperties($parent);
+
+		return 1;
+	}
+
+	/**
+	 * Deletes a product combination
+	 *
+	 * @return int <0 KO >0 OK
+	 */
+	public function delete()
+	{
+		$this->db->begin();
+
+		$comb2val = new ProductCombination2ValuePair($this->db);
+		$comb2val->deleteByFkCombination($this->id);
+
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."product_attribute_combination WHERE rowid = ".(int) $this->id;
+
+		if ($this->db->query($sql)) {
+			$this->db->commit();
+			return 1;
+		}
+
+		$this->db->rollback();
+		return -1;
+	}
+
+	/**
+	 * Deletes all product combinations of a parent product
+	 *
+	 * @param int $fk_product_parent Rowid of parent product
+	 * @return int <0 KO >0 OK
+	 */
+	public function deleteByFkProductParent($fk_product_parent)
+	{
+		$this->db->begin();
+
+		foreach ($this->fetchAllByFkProductParent($fk_product_parent) as $prodcomb) {
+
+			$prodstatic = new Product($this->db);
+
+			$res = $prodstatic->fetch($prodcomb->fk_product_child);
+
+			if ($res > 0) {
+				$res = $prodcomb->delete();
+			}
+
+			if ($res > 0 && !$prodstatic->isObjectUsed($prodstatic->id)) {
+				$res = $prodstatic->delete();
+			}
+
+			if ($res < 0) {
+				$this->db->rollback();
+				return -1;
+			}
+		}
+
+		$this->db->commit();
+		return 1;
+	}
+
+	/**
+	 * Updates the weight of the child product. The price must be updated using Product::updatePrices
+	 *
+	 * @param Product $parent Parent product
+	 * @return int >0 OK <0 KO
+	 */
+	public function updateProperties(Product $parent)
+	{
+		global $user, $conf;
+
+		$this->db->begin();
+
+		$child = new Product($this->db);
+		$child->fetch($this->fk_product_child);
+		$child->price_autogen = $parent->price_autogen;
+		$child->weight = $parent->weight + $this->variation_weight;
+		$child->weight_units = $parent->weight_units;
+
+		if ($child->update($child->id, $user) > 0) {
+
+			$new_vat = $parent->tva_tx;
+			$new_npr = $parent->tva_npr;
+
+			// MultiPrix
+			if (! empty($conf->global->PRODUIT_MULTIPRICES)) {
+				$new_type = $parent->multiprices_base_type[1];
+				$new_min_price = $parent->multiprices_min[1];
+				$new_psq = $parent->multiprices_recuperableonly[1];
+
+				if ($new_type == 'TTC') {
+					$new_price = $parent->multiprices_ttc[1];
+				} else {
+					$new_price = $parent->multiprices[1];
+				}
+			} else {
+				$new_type = $parent->price_base_type;
+				$new_min_price = $parent->price_min;
+				$new_psq = $parent->price_by_qty;
+
+				if ($new_type == 'TTC') {
+					$new_price = $parent->price_ttc;
+				} else {
+					$new_price = $parent->price;
+				}
+			}
+
+			if ($this->variation_price_percentage) {
+				$new_price *= 1 + ($this->variation_price/100);
+			} else {
+				$new_price += $this->variation_price;
+			}
+
+			$child->updatePrice($new_price, $new_type, $user, $new_vat, $new_min_price, 1, $new_npr, $new_psq);
+
+			$this->db->commit();
+
+			return 1;
+		}
+
+		$this->db->rollback();
+		return -1;
+	}
+
+	/**
+	 * Retrieves the combination that matches the given features.
+	 *
+	 * @param int $prodid Id of parent product
+	 * @param array $features Format: [$attr] => $attr_val
+	 * @return false|ProductCombination false if not found
+	 */
+	public function fetchByProductCombination2ValuePairs($prodid, array $features)
+	{
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination2ValuePair.class.php';
+
+		$actual_comp = array();
+
+		$prodcomb2val = new ProductCombination2ValuePair($this->db);
+		$prodcomb = new ProductCombination($this->db);
+
+		foreach ($features as $attr => $attr_val) {
+			$actual_comp[$attr] = $attr_val;
+		}
+
+		foreach ($prodcomb->fetchAllByFkProductParent($prodid) as $prc) {
+
+			$values = array();
+
+			foreach ($prodcomb2val->fetchByFkCombination($prc->id) as $value) {
+				$values[$value->fk_prod_attr] = $value->fk_prod_attr_val;
+			}
+
+			$check1 = count(array_diff_assoc($values, $actual_comp));
+			$check2 = count(array_diff_assoc($actual_comp, $values));
+
+			if (!$check1 && !$check2) {
+				return $prc;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Retrieves all unique attributres for a parent product
+	 *
+	 * @param int $productid Product rowid
+	 * @return ProductAttribute[]
+	 */
+	public function getUniqueAttributesAndValuesByFkProductParent($productid)
+	{
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttributeValue.class.php';
+
+		$attributes = array();
+
+		//Attributes
+		$sql = "SELECT DISTINCT fk_prod_attr, a.rang
+FROM ".MAIN_DB_PREFIX."product_attribute_combination2val c2v LEFT JOIN ".MAIN_DB_PREFIX."product_attribute_combination c
+    ON c2v.fk_prod_combination = c.rowid
+  LEFT JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = c.fk_product_child
+  LEFT JOIN ".MAIN_DB_PREFIX."product_attribute a ON a.rowid = fk_prod_attr
+WHERE c.fk_product_parent = ".(int) $productid." AND p.tosell = 1";
+
+		$sql .= $this->db->order('a.rang', 'asc');
+
+		$query = $this->db->query($sql);
+
+		//Values
+		while ($result = $this->db->fetch_object($query)) {
+			$attr = new ProductAttribute($this->db);
+			$attr->fetch($result->fk_prod_attr);
+
+			$tmp = new stdClass();
+			$tmp->id = $attr->id;
+			$tmp->ref = $attr->ref;
+			$tmp->label = $attr->label;
+			$tmp->values = array();
+
+			$attrval = new ProductAttributeValue($this->db);
+			foreach ($res = $attrval->fetchAllByProductAttribute($attr->id, true) as $val) {
+				$tmp->values[] = $val;
+			}
+
+			$attributes[] = $tmp;
+		}
+
+		return $attributes;
+	}
+
+	/**
+	 * Creates a product combination. Check usages to find more about its use
+	 *
+	 * Format of $combinations array:
+	 * array(
+	 * 	0 => array(
+	 * 		attr => value,
+	 * 		attr2 => value
+	 * 		[...]
+	 * 		),
+	 * [...]
+	 * )
+	 *
+	 * @param Product $product Parent product
+	 * @param array $combinations Attribute and value combinations.
+	 * @param array $variations Price and weight variations
+	 * @param bool $price_var_percent Is the price variation a relative variation?
+	 * @param bool|float $forced_pricevar If the price variation is forced
+	 * @param bool|float $forced_weightvar If the weight variation is forced
+	 * @return int <0 KO, >0 OK
+	 */
+	public static function createProductCombination(Product $product, array $combinations, array $variations, $price_var_percent = false, $forced_pricevar = false, $forced_weightvar = false)
+	{
+		global $db, $user;
+
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttributeValue.class.php';
+
+		$db->begin();
+
+		$newproduct = clone $product;
+
+		//Final weight impact
+		$weight_impact = $forced_weightvar;
+
+		if ($forced_weightvar === false) {
+			$weight_impact = 0;
+		}
+
+		//Final price impact
+		$price_impact = $forced_pricevar;
+
+		if ($forced_pricevar === false) {
+			$price_impact = 0;
+		}
+
+		$newcomb = new ProductCombination($db);
+		$existingCombination = $newcomb->fetchByProductCombination2ValuePairs($product->id, $combinations);
+
+		if ($existingCombination) {
+			$newcomb = $existingCombination;
+		} else {
+			$newcomb->fk_product_parent = $product->id;
+
+			if ($newcomb->create() < 0) {
+				$db->rollback();
+				return -1;
+			}
+		}
+
+		$prodattr = new ProductAttribute($db);
+		$prodattrval = new ProductAttributeValue($db);
+
+		foreach ($combinations as $currcombattr => $currcombval) {
+
+			//This was checked earlier, so no need to double check
+			$prodattr->fetch($currcombattr);
+			$prodattrval->fetch($currcombval);
+
+			//If there is an existing combination, there is no need to duplicate the valuepair
+			if (!$existingCombination) {
+				$tmp = new ProductCombination2ValuePair($db);
+				$tmp->fk_prod_attr = $currcombattr;
+				$tmp->fk_prod_attr_val = $currcombval;
+				$tmp->fk_prod_combination = $newcomb->id;
+
+				if ($tmp->create() < 0) {
+					$db->rollback();
+					return -1;
+				}
+			}
+
+			if ($forced_weightvar === false) {
+				$weight_impact += (float) price2num($variations[$currcombattr][$currcombval]['weight']);
+			}
+			if ($forced_pricevar === false) {
+				$price_impact += (float) price2num($variations[$currcombattr][$currcombval]['price']);
+			}
+
+			$newproduct->ref .= '_'.$prodattrval->ref;
+
+			//The first one should not contain a linebreak
+			if ($newproduct->description) {
+				$newproduct->description .= '<br>';
+			}
+			$newproduct->description .= '<strong>'.$prodattr->label.':</strong> '.$prodattrval->value;
+		}
+
+		$newcomb->variation_price_percentage = $price_var_percent;
+		$newcomb->variation_price = $price_impact;
+		$newcomb->variation_weight = $weight_impact;
+
+		$newproduct->weight += $weight_impact;
+
+		//To avoid wrong information in price history log
+		$newproduct->price = 0;
+		$newproduct->price_ttc = 0;
+		$newproduct->price_min = 0;
+		$newproduct->price_min_ttc = 0;
+
+		if ($newproduct->create($user) < 0) {
+
+			//In case the error is not related with an already existing product
+			if ($newproduct->error != 'ErrorProductAlreadyExists') {
+				$db->rollback();
+				return -1;
+			}
+
+			/**
+			 * If there is an existing combination, then we update the prices and weight
+			 * Otherwise, we try adding a random number to the ref
+			 */
+
+			if ($newcomb->fk_product_child) {
+				$res = $newproduct->fetch($existingCombination->fk_product_child);
+			} else {
+				$orig_prod_ref = $newproduct->ref;
+				$i = 1;
+
+				do {
+					$newproduct->ref = $orig_prod_ref.$i;
+					$res = $newproduct->create($user);
+
+					if ($newproduct->error != 'ErrorProductAlreadyExists') {
+						break;
+					}
+
+					$i++;
+				} while ($res < 0);
+			}
+
+			if ($res < 0) {
+				$db->rollback();
+				return -1;
+			}
+
+			$newproduct->weight += $weight_impact;
+		}
+
+		$newcomb->fk_product_child = $newproduct->id;
+
+		if ($newcomb->update() < 0) {
+			$db->rollback();
+			return -1;
+		}
+
+		$db->commit();
+		return 1;
+	}
+
+	/**
+	 * Copies all product combinations from the origin product to the destination product
+	 *
+	 * @param int $origProductId Origin product id
+	 * @param Product $destProduct Destination product
+	 * @return int >0 OK <0 KO
+	 */
+	public function copyAll($origProductId, Product $destProduct)
+	{
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination2ValuePair.class.php';
+
+		//To prevent a loop
+		if ($origProductId == $destProduct->id) {
+			return -1;
+		}
+
+		$prodcomb = new ProductCombination($this->db);
+		$prodcomb2val = new ProductCombination2ValuePair($this->db);
+
+		//Retrieve all product combinations
+		$combinations = $prodcomb->fetchAllByFkProductParent($origProductId);
+
+		foreach ($combinations as $combination) {
+
+			$variations = array();
+
+			foreach ($prodcomb2val->fetchByFkCombination($combination->id) as $tmp_pc2v) {
+				$variations[$tmp_pc2v->fk_prod_attr] = $tmp_pc2v->fk_prod_attr_val;
+			}
+
+			if (self::createProductCombination(
+				$destProduct,
+				$variations,
+				array(),
+				$combination->variation_price_percentage,
+				$combination->variation_price,
+				$combination->variation_weight
+			) < 0) {
+				return -1;
+			}
+		}
+
+		return 1;
+	}
+}

htdocs/attributes/class/ProductCombination2ValuePair.class.php

@@ -0,0 +1,151 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+class ProductCombination2ValuePair
+{
+	/**
+	 * Database handler
+	 * @var DoliDB
+	 */
+	private $db;
+
+	/**
+	 * Combination 2 value pair id
+	 * @var int
+	 */
+	public $id;
+
+	/**
+	 * Product combination id
+	 * @var int
+	 */
+	public $fk_prod_combination;
+
+	/**
+	 * Product attribute id
+	 * @var int
+	 */
+	public $fk_prod_attr;
+
+	/**
+	 * Product attribute value id
+	 * @var int
+	 */
+	public $fk_prod_attr_val;
+
+	public function __construct(DoliDB $db)
+	{
+		$this->db = $db;
+	}
+
+	/**
+	 * Translates this class to a human-readable string
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttributeValue.class.php';
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+
+		$prodattr = new ProductAttribute($this->db);
+		$prodattrval = new ProductAttributeValue($this->db);
+
+		$prodattr->fetch($this->fk_prod_attr);
+		$prodattrval->fetch($this->fk_prod_attr_val);
+
+		return $prodattr->label.': '.$prodattrval->value;
+	}
+
+	/**
+	 * Creates a product combination 2 value pair
+	 * @return int <0 KO, >0 OK
+	 */
+	public function create()
+	{
+		$sql = "INSERT INTO ".MAIN_DB_PREFIX."product_attribute_combination2val
+		(fk_prod_combination, fk_prod_attr, fk_prod_attr_val)
+		VALUES(".(int) $this->fk_prod_combination.", ".(int) $this->fk_prod_attr.", ".(int) $this->fk_prod_attr_val.")";
+
+		$query = $this->db->query($sql);
+
+		if ($query) {
+			$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.'product_attribute_combination2val');
+
+			return 1;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Retrieves a product combination 2 value pair from its rowid
+	 *
+	 * @param int $fk_combination Fk combination to search
+	 * @return int|ProductCombination2ValuePair[] -1 if KO
+	 */
+	public function fetchByFkCombination($fk_combination)
+	{
+		$sql = "SELECT
+  c.rowid,
+  c2v.fk_prod_attr_val,
+  c2v.fk_prod_attr,
+  c2v.fk_prod_combination
+FROM ".MAIN_DB_PREFIX."product_attribute c LEFT JOIN ".MAIN_DB_PREFIX."product_attribute_combination2val c2v ON c.rowid = c2v.fk_prod_attr
+WHERE c2v.fk_prod_combination = ".(int) $fk_combination;
+
+		$sql .= $this->db->order('c.rang', 'asc');
+
+		$query = $this->db->query($sql);
+
+		if (!$query) {
+			return -1;
+		}
+
+		$return = array();
+
+		while ($result = $this->db->fetch_object($query)) {
+			$tmp = new ProductCombination2ValuePair($this->db);
+			$tmp->fk_prod_attr_val = $result->fk_prod_attr_val;
+			$tmp->fk_prod_attr = $result->fk_prod_attr;
+			$tmp->fk_prod_combination = $result->fk_prod_combination;
+			$tmp->id = $result->rowid;
+
+			$return[] = $tmp;
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Deletes a product combination 2 value pair
+	 *
+	 * @param int $fk_combination Rowid of the combination
+	 * @return int >0 OK <0 KO
+	 */
+	public function deleteByFkCombination($fk_combination)
+	{
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."product_attribute_combination2val WHERE fk_prod_combination = ".(int) $fk_combination;
+
+		if ($this->db->query($sql)) {
+			return 1;
+		}
+
+		return -1;
+	}
+}

htdocs/attributes/combinations.php

@@ -0,0 +1,641 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttributeValue.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination2ValuePair.class.php';
+
+$langs->load("products");
+$langs->load("other");
+
+$var = false;
+$id = GETPOST('id', 'int');
+$valueid = GETPOST('valueid', 'int');
+$ref = GETPOST('ref');
+$weight_impact = (float) GETPOST('weight_impact');
+$price_impact = (float) GETPOST('price_impact');
+$price_impact_percent = (bool) GETPOST('price_impact_percent');
+$form = new Form($db);
+$action = GETPOST('action');
+
+// Security check
+$fieldvalue = (! empty($id) ? $id : $ref);
+$fieldtype = (! empty($ref) ? 'ref' : 'rowid');
+$result=restrictedArea($user,'produit|service',$fieldvalue,'product&product','','',$fieldtype);
+
+$prodstatic = new Product($db);
+$prodattr = new ProductAttribute($db);
+$prodattr_val = new ProductAttributeValue($db);
+
+$product = new Product($db);
+
+$product->fetch($id);
+
+if (!$product->isProduct()) {
+	header('Location: '.dol_buildpath('/product/card.php?id='.$product->id, 2));
+	die;
+}
+
+$prodcomb = new ProductCombination($db);
+$prodcomb2val = new ProductCombination2ValuePair($db);
+
+$productCombination2ValuePairs1 = array();
+
+if ($_POST) {
+
+	if ($action == 'add') {
+
+		$features = GETPOST('features', 'array');
+
+		if (!$features) {
+			setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+		} else {
+			$weight_impact = price2num($weight_impact);
+			$price_impact = price2num($price_impact);
+			$sanit_features = array();
+
+			//First, sanitize
+			foreach ($features as $feature) {
+
+				$explode = explode(':', $feature);
+
+				if ($prodattr->fetch($explode[0]) < 0) {
+					continue;
+				}
+
+				if ($prodattr_val->fetch($explode[1]) < 0) {
+					continue;
+				}
+
+				//Valuepair
+				$sanit_features[$explode[0]] = $explode[1];
+
+				$tmp = new ProductCombination2ValuePair($db);
+				$tmp->fk_prod_attr = $explode[0];
+				$tmp->fk_prod_attr_val = $explode[1];
+
+				$productCombination2ValuePairs1[] = $tmp;
+			}
+
+			$db->begin();
+
+			if (!$prodcomb->fetchByProductCombination2ValuePairs($id, $sanit_features)) {
+				if (ProductCombination::createProductCombination($product, $sanit_features, array(), $price_impact_percent, $price_impact, $weight_impact)) {
+					$db->commit();
+					setEventMessage($langs->trans('RecordSaved'));
+					header('Location: '.dol_buildpath('/attributes/combinations.php?id='.$id, 2));
+					die;
+				} else {
+					setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+				}
+			} else {
+				setEventMessage($langs->trans('ErrorRecordAlreadyExists'), 'errors');
+			}
+
+			$db->rollback();
+		}
+	} elseif ($action == 'bulk_actions') {
+
+		$prodarray = array_keys(GETPOST('select', 'array'));
+		$bulkaction = GETPOST('bulk_action');
+		$error = 0;
+
+		$prodstatic = new Product($db);
+
+		$db->begin();
+
+		foreach ($prodarray as $prodid) {
+
+			if ($prodstatic->fetch($prodid) < 0) {
+				continue;
+			}
+
+			if ($bulkaction == 'on_sell') {
+				$prodstatic->status = 1;
+				$res = $prodstatic->update($prodstatic->id, $user);
+			} elseif ($bulkaction == 'on_buy') {
+				$prodstatic->status_buy = 1;
+				$res = $prodstatic->update($prodstatic->id, $user);
+			} elseif ($bulkaction == 'not_sell') {
+				$prodstatic->status = 0;
+				$res = $prodstatic->update($prodstatic->id, $user);
+			} elseif ($bulkaction == 'not_buy') {
+				$prodstatic->status_buy = 0;
+				$res = $prodstatic->update($prodstatic->id, $user);
+			} elseif ($bulkaction == 'delete') {
+				$res = $prodstatic->delete($prodstatic->id);
+			} else {
+				break;
+			}
+
+			if ($res <= 0) {
+				$error++;
+				break;
+			}
+		}
+
+		if ($error) {
+			$db->rollback();
+
+			if ($prodstatic->error) {
+				setEventMessage($langs->trans($prodstatic->error), 'errors');
+			} else {
+				setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			}
+
+		} else {
+			$db->commit();
+			setEventMessage($langs->trans('RecordSaved'));
+		}
+
+	} else {
+
+		if ($prodcomb->fetch($valueid) < 0) {
+			dol_print_error($db, $langs->trans('ErrorRecordNotFound'));
+			die;
+		}
+
+		$prodcomb->variation_price_percentage = $price_impact_percent;
+		$prodcomb->variation_price = $price_impact;
+		$prodcomb->variation_weight = $weight_impact;
+
+		if ($prodcomb->update() > 0) {
+			setEventMessage($langs->trans('RecordSaved'));
+			header('Location: '.dol_buildpath('/attributes/combinations.php?id='.$id, 2));
+			die;
+		} else {
+			setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+		}
+	}
+}
+
+$productCombinations = $prodcomb->fetchAllByFkProductParent($id);
+
+if ($action === 'confirm_deletecombination') {
+
+	if ($prodcomb->fetch($valueid) > 0) {
+
+		$db->begin();
+
+		if ($prodcomb->delete() > 0 && $prodstatic->fetch($prodcomb->fk_product_child) > 0 && $prodstatic->delete() > 0) {
+			$db->commit();
+			setEventMessage($langs->trans('RecordSaved'));
+			header('Location: '.dol_buildpath('/attributes/combinations.php?id='.$product->id, 2));
+			die;
+		}
+
+		$db->rollback();
+		setEventMessage($langs->trans('ProductCombinationAlreadyUsed'), 'errors');
+		$action = '';
+	}
+} elseif ($action === 'edit') {
+
+	if ($prodcomb->fetch($valueid) < 0) {
+		dol_print_error($db, $langs->trans('ErrorRecordNotFound'));
+		die;
+	}
+
+	$weight_impact = $prodcomb->variation_weight;
+	$price_impact = $prodcomb->variation_price;
+	$price_impact_percent = $prodcomb->variation_price_percentage;
+
+	$productCombination2ValuePairs1 = $prodcomb2val->fetchByFkCombination($valueid);
+} elseif ($action === 'confirm_copycombination') {
+
+	//Check destination product
+	$dest_product = GETPOST('dest_product');
+
+	if ($prodstatic->fetch('', $dest_product) > 0) {
+
+		//To prevent from copying to the same product
+		if ($prodstatic->ref != $product->ref) {
+			if ($prodcomb->copyAll($product->id, $prodstatic) > 0) {
+				header('Location: '.dol_buildpath('/attributes/combinations.php?id='.$prodstatic->id, 2));
+				die;
+			} else {
+				setEventMessage($langs->trans('ErrorCopyProductCombinations'), 'errors');
+			}
+		}
+
+	} else {
+		setEventMessage($langs->trans('ErrorDestinationProductNotFound'), 'errors');
+	}
+
+}
+
+/*
+ *	View
+ */
+
+if (! empty($id) || ! empty($ref)) {
+	$object = new Product($db);
+	$result = $object->fetch($id, $ref);
+
+	llxHeader("", "", $langs->trans("CardProduct".$object->type));
+
+	if ($result) {
+		$head = product_prepare_head($object);
+		$titre = $langs->trans("CardProduct".$object->type);
+		$picto = ($object->type == Product::TYPE_SERVICE ? 'service' : 'product');
+
+		dol_fiche_head($head, 'combinations', $titre, 0, $picto);
+
+		print '<table class="border" width="100%">';
+
+		// Reference
+		print '<tr>';
+		print '<td width="30%">'.$langs->trans("Ref").'</td><td colspan="3">';
+		print $form->showrefnav($object, 'id', '', 0);
+		print '</td>';
+		print '</tr>';
+
+		// Label
+		print '<tr><td>'.$langs->trans("Label").'</td><td colspan="3">'.$object->label.'</td></tr>';
+
+		// Status (to sell)
+		print '<tr><td>'.$langs->trans("Status").' ('.$langs->trans("Sell").')</td><td>';
+		print $object->getLibStatut(2, 0);
+		print '</td></tr>';
+
+		// Status (to buy)
+		print '<tr><td>'.$langs->trans("Status").' ('.$langs->trans("Buy").')</td><td>';
+		print $object->getLibStatut(2, 1);
+		print '</td></tr>';
+
+		print '</table>';
+
+		dol_fiche_end();
+	}
+
+	if ($action == 'add' || ($action == 'edit')) {
+
+		if ($action == 'add') {
+			$title = $langs->trans('NewProductCombination');
+		} else {
+			$title = $langs->trans('EditProductCombination');
+		}
+
+		print_fiche_titre($title);
+
+		if ($action == 'add') {
+			$prodattr_all = $prodattr->fetchAll();
+
+			if (!$selected) {
+				$selected = $prodattr_all[key($prodattr_all)]->id;
+			}
+
+			$prodattr_alljson = array();
+
+			foreach ($prodattr_all as $each) {
+				$prodattr_alljson[$each->id] = $each;
+			}
+
+		?>
+
+		<script>
+
+			attributes_available = <?php echo json_encode($prodattr_alljson) ?>;
+			attributes_selected = {
+				index: [],
+				info: []
+			};
+
+			<?php foreach ($productCombination2ValuePairs1 as $pc2v):
+			$prodattr_val->fetch($pc2v->fk_prod_attr_val);
+			?>
+			attributes_selected.index.push(<?php echo $pc2v->fk_prod_attr ?>);
+			attributes_selected.info[<?php echo $pc2v->fk_prod_attr ?>] = {
+				attribute: attributes_available[<?php echo $pc2v->fk_prod_attr ?>],
+				value: {
+					id: <?php echo $pc2v->fk_prod_attr_val ?>,
+					label: '<?php echo $prodattr_val->value ?>'
+				}
+			};
+			<?php endforeach ?>
+
+			restoreAttributes = function() {
+				jQuery("select[name=attribute]").empty().append('<option value=""></option>');
+
+				jQuery.each(attributes_available, function (key, val) {
+					if (jQuery.inArray(val.id, attributes_selected.index) == -1) {
+						jQuery("select[name=attribute]").append('<option value="' + val.id + '">' + val.label + '</option>');
+					}
+				});
+			};
+
+			paintAttributes = function() {
+				var select = jQuery("select#features");
+
+				select.empty();
+				jQuery("form#combinationform input[type=hidden]").detach();
+
+				jQuery.each(attributes_selected.index, function (key, val) {
+					var attr_info = attributes_selected.info[val];
+
+					var opt_key = val + ':' + attr_info.value.id;
+					var opt_label = attr_info.attribute.label + ': ' + attr_info.value.label;
+
+					//Add combination to the list
+					select.append('<option value="' + opt_key + '">' + opt_label + '</option>');
+					//Add hidden input to catch the new combination
+					jQuery("form#combinationform").append('<input type="hidden" name="features[]" value="' + opt_key + '">');
+				});
+			};
+
+			jQuery(document).ready(function() {
+
+				jQuery("select#attribute").change(function () {
+
+					var select = jQuery("select#value");
+
+					if (!jQuery(this).val().length) {
+						select.empty();
+						return;
+					}
+
+					select.empty().append('<option value="">Loading...</option>');
+
+					jQuery.getJSON("<?php echo dol_buildpath('/attributes/ajax/get_attribute_values.php', 2) ?>", {
+						id: jQuery(this).val()
+					}, function(data) {
+						if (data.error) {
+							jQuery("select#value").empty();
+							return alert(data.error);
+						}
+
+						select.empty();
+
+						jQuery(data).each(function (key, val) {
+							jQuery("select#value").append('<option value="' + val.id + '">' + val.value + '</option>');
+						});
+					});
+				});
+
+				jQuery("#addfeature").click(function () {
+					var selectedattr = jQuery("select[name=attribute] option:selected");
+					var selectedvalu = jQuery("select[name=value] option:selected");
+
+					if (!selectedattr.val().length || !selectedvalu.val().length) {
+						return;
+					}
+
+					var selectedattr_val = parseInt(selectedattr.val());
+
+					if (jQuery.inArray(selectedattr_val, attributes_selected.index) != -1) {
+						return;
+					}
+
+					attributes_selected.index.push(selectedattr_val);
+					attributes_selected.info[selectedattr_val] = {
+						attribute: attributes_available[selectedattr_val],
+						value: {
+							id: selectedvalu.val(),
+							label: selectedvalu.html()
+						}
+					};
+
+					paintAttributes();
+
+					selectedattr.detach();
+					jQuery("select[name=value] option").detach();
+				});
+
+				jQuery("#delfeature").click(function() {
+					jQuery("#features option:selected").each(function (key, val) {
+						var explode = jQuery(val).val().split(':');
+						var indexOf = attributes_selected.index.indexOf(parseInt(explode[0]));
+
+						if (indexOf != -1) {
+							attributes_selected.index.splice(indexOf, 1);
+							jQuery(attributes_selected.info[parseInt(explode[0])]).detach();
+						}
+
+						jQuery(val).detach();
+					});
+
+					restoreAttributes();
+					paintAttributes();
+				});
+			});
+		</script>
+		<?php } ?>
+
+		<form method="post" id="combinationform">
+		<table class="border" style="width: 100%">
+			<?php if ($action == 'add'): ?>
+			<tr>
+				<td style="width: 25%"><label for="attribute"><?php echo $langs->trans('ProductAttribute') ?></label></td>
+				<td colspan="2"><select id="attribute" name="attribute">
+					<option value=""></option>
+					<?php foreach ($prodattr_all as $attr): ?>
+					<option value="<?php echo $attr->id ?>"><?php echo $attr->label ?></option>
+					<?php endforeach ?>
+				</select></td>
+			</tr>
+			<tr>
+				<td style="width: 25%"><label for="value"><?php echo $langs->trans('Value') ?></label></td>
+				<td colspan="2">
+					<select id="value" name="value">
+						<option value=""></option>
+					</select>
+				</td>
+			</tr>
+			<?php endif; ?>
+			<tr>
+				<td style="width: 25%" class="fieldrequired"><label for="features"><?php echo $langs->trans('Features') ?></label></td>
+				<td><select multiple style="width: 100%" id="features">
+						<?php
+						foreach ($productCombination2ValuePairs1 as $pc2v): ?>
+							<option value="<?php echo $pc2v->fk_prod_attr ?>:<?php echo $pc2v->fk_prod_attr_val ?>"><?php echo dol_htmlentities($pc2v) ?></option>
+						<?php endforeach ?>
+					</select></td>
+				<td>
+					<?php if ($action == 'add'): ?>
+					<a href="#" class="button" id="addfeature"><?php echo img_edit_add() ?></a><br><br>
+					<a href="#" class="button" id="delfeature"><?php echo img_edit_remove() ?></a>
+					<?php endif; ?>
+				</td>
+			</tr>
+			<tr>
+				<td style="width: 25%"><label for="price_impact"><?php echo $langs->trans('PriceImpact') ?></label></td>
+				<td colspan="2"><input type="text" id="price_impact" name="price_impact" value="<?php echo price($price_impact) ?>">
+				<input type="checkbox" id="price_impact_percent" name="price_impact_percent" <?php echo $price_impact_percent ? ' checked' : '' ?>> <label for="price_impact_percent"><?php echo $langs->trans('PercentageVariation') ?></label></td>
+			</tr>
+			<tr>
+				<td style="width: 25%"><label for="weight_impact"><?php echo $langs->trans('WeightImpact') ?></label></td>
+				<td colspan="2"><input type="text" id="weight_impact" name="weight_impact" value="<?php echo price($weight_impact) ?>"></td>
+			</tr>
+		</table>
+
+		<br>
+		<div style="text-align: center"><input type="submit" value="<?php echo $action == 'add' ? $langs->trans('Create') : $langs->trans('Save') ?>" class="button"></div>
+			<?php foreach ($productCombination2ValuePairs1 as $pc2v): ?>
+				<input type="hidden" name="features[]" value="<?php echo $pc2v->fk_prod_attr.':'.$pc2v->fk_prod_attr_val ?>">
+			<?php endforeach; ?>
+		</form>
+<?php
+
+	} else {
+
+		if ($action === 'delete') {
+
+			if ($prodcomb->fetch($valueid) > 0) {
+				$form = new Form($db);
+				$prodstatic->fetch($prodcomb->fk_product_child);
+
+				print $form->formconfirm(
+					"combinations.php?id=".$id."&valueid=".$valueid,
+					$langs->trans('Delete'),
+					$langs->trans('ProductCombinationDeleteDialog', $prodstatic->getNomUrl(1)),
+					"confirm_deletecombination",
+					'',
+					0,
+					1
+				);
+			}
+		} elseif ($action === 'copy') {
+
+			$form = new Form($db);
+
+			print $form->formconfirm(
+				'combinations.php?id='.$id,
+				$langs->trans('CloneCombinationsProduct'),
+				$langs->trans('ConfirmCloneProductCombinations'),
+				'confirm_copycombination',
+				array(
+					array(
+						'type' => 'text',
+						'label' => $langs->trans('CloneDestinationReference'),
+						'name' => 'dest_product'
+					)
+				),
+				0,
+				1
+			);
+		}
+
+		$comb2val = new ProductCombination2ValuePair($db);
+
+		if ($productCombinations): ?>
+
+			<script type="text/javascript">
+				jQuery(document).ready(function() {
+
+					jQuery('input[name="select_all"]').click(function() {
+
+						if (jQuery(this).prop('checked')) {
+							var checked = true;
+						} else {
+							var checked = false;
+						}
+
+						jQuery('table.liste input[type="checkbox"]').prop('checked', checked);
+					});
+
+					jQuery('input[name^="select["]').click(function() {
+						jQuery('input[name="select_all"]').prop('checked', false);
+					});
+
+				});
+			</script>
+
+		<form method="post">
+		<label for="bulk_action"><?php echo $langs->trans('BulkActions') ?></label>
+		<select id="bulk_action" name="bulk_action" class="flat">
+			<option value="not_buy"><?php echo $langs->trans('ProductStatusNotOnBuy') ?></option>
+			<option value="not_sell"><?php echo $langs->trans('ProductStatusNotOnSell') ?></option>
+			<option value="on_buy"><?php echo $langs->trans('ProductStatusOnBuy') ?></option>
+			<option value="on_sell"><?php echo $langs->trans('ProductStatusOnSell') ?></option>
+			<option value="delete"><?php echo $langs->trans('Delete') ?></option>
+		</select>
+		<input type="hidden" name="action" value="bulk_actions">
+		<input type="submit" value="Aplicar" class="button">
+		<br>
+		<br>
+		<?php endif; ?>
+
+		<table class="liste">
+			<tr class="liste_titre">
+				<th class="liste_titre">
+					<?php if ($productCombinations): ?>
+					<input type="checkbox" name="select_all">
+					<?php endif ?>
+				</th>
+				<th class="liste_titre"><?php echo $langs->trans('Product') ?></th>
+				<th class="liste_titre"><?php echo $langs->trans('Combination') ?></th>
+				<th class="liste_titre" style="text-align: center"><?php echo $langs->trans('PriceImpact') ?></th>
+				<th class="liste_titre" style="text-align: center"><?php echo $langs->trans('WeightImpact') ?></th>
+				<th class="liste_titre" style="text-align: center;"><?php echo $langs->trans('OnSell') ?></th>
+				<th class="liste_titre" style="text-align: center;"><?php echo $langs->trans('OnBuy') ?></th>
+				<th class="liste_titre"></th>
+			</tr>
+			<?php foreach ($productCombinations as $currcomb):
+				$prodstatic->fetch($currcomb->fk_product_child); ?>
+			<tr <?php echo $bc[!$var] ?>>
+				<td><input type="checkbox" name="select[<?php echo $prodstatic->id ?>]"></td>
+				<td><?php echo $prodstatic->getNomUrl(1) ?></td>
+				<td>
+					<?php
+
+					$productCombination2ValuePairs = $comb2val->fetchByFkCombination($currcomb->id);
+					$iMax = count($productCombination2ValuePairs);
+
+					for ($i = 0; $i < $iMax; $i++) {
+						echo dol_htmlentities($productCombination2ValuePairs[$i]);
+
+						if ($i !== ($iMax - 1)) {
+							echo ', ';
+						}
+					} ?>
+				</td>
+				<td style="text-align: right"><?php echo ($currcomb->variation_price >= 0 ? '+' : '').price($currcomb->variation_price).($currcomb->variation_price_percentage ? ' %' : '') ?></td>
+				<td style="text-align: right"><?php echo ($currcomb->variation_weight >= 0 ? '+' : '').price($currcomb->variation_weight).' '.measuring_units_string($prodstatic->weight_units, 'weight') ?></td>
+				<td style="text-align: center;"><?php echo $prodstatic->getLibStatut(2, 0) ?></td>
+				<td style="text-align: center;"><?php echo $prodstatic->getLibStatut(2, 1) ?></td>
+				<td style="text-align: right">
+					<a href="<?php echo dol_buildpath('/attributes/combinations.php?id='.$id.'&action=edit&valueid='.$currcomb->id, 2) ?>"><?php echo img_edit() ?></a>
+					<a href="<?php echo dol_buildpath('/attributes/combinations.php?id='.$id.'&action=delete&valueid='.$currcomb->id, 2) ?>"><?php echo img_delete() ?></a>
+				</td>
+			</tr>
+			<?php $var = !$var; endforeach ?>
+		</table>
+
+		<?php if ($productCombinations): ?>
+		</form>
+		<?php endif ?>
+
+		<?php
+
+		print '<div class="tabsAction">';
+		print '	<div class="inline-block divButAction">';
+		if ($productCombinations) {
+			print '		<a href="combinations.php?id='.$id.'&action=copy" class="butAction">'.$langs->trans('Copy').'</a>';
+		}
+		print '		<a href="generator.php?id='.$id.'" class="butAction">'.$langs->trans('ProductCombinationGenerator').'</a>
+		<a href="combinations.php?id='.$id.'&action=add" class="butAction">'.$langs->trans('NewProductCombination').'</a>';
+		print '	</div>';
+		print '</div>';
+
+	}
+}
+
+llxFooter();

htdocs/attributes/create.php

@@ -0,0 +1,73 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../main.inc.php';
+require 'class/ProductAttribute.class.php';
+
+$ref = GETPOST('ref');
+$label = GETPOST('label');
+
+if ($_POST) {
+
+	if (empty($ref) || empty($label)) {
+		setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+	} else {
+
+		$prodattr = new ProductAttribute($db);
+		$prodattr->label = $label;
+		$prodattr->ref = $ref;
+
+		if ($prodattr->create()) {
+			setEventMessage($langs->trans('RecordSaved'));
+			header('Location: '.dol_buildpath('/attributes/list.php', 2));
+		} else {
+			setEventMessage($langs->trans('ErrorRecordAlreadyExists'), 'errors');
+		}
+	}
+}
+
+$langs->load('products');
+
+$title = $langs->trans('NewProductAttribute');
+
+llxHeader('', $title);
+
+print_fiche_titre($title);
+
+dol_fiche_head();
+
+?>
+<form method="post">
+	<table class="border" style="width: 100%">
+		<tr>
+			<td class="fieldrequired"><label for="ref"><?php echo $langs->trans('Ref') ?></label></td>
+			<td><input type="text" id="ref" name="ref" value="<?php echo $ref ?>"></td>
+		</tr>
+		<tr>
+			<td class="fieldrequired"><label for="label"><?php echo $langs->trans('Label') ?></label></td>
+			<td><input type="text" id="label" name="label" value="<?php echo $label ?>"></td>
+		</tr>
+
+	</table>
+
+<?php
+dol_fiche_end();
+
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Create").'"></div></form>';
+
+llxFooter();

htdocs/attributes/create_val.php

@@ -0,0 +1,102 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../main.inc.php';
+require 'class/ProductAttribute.class.php';
+require 'class/ProductAttributeValue.class.php';
+
+$id = GETPOST('id');
+$ref = GETPOST('ref');
+$value = GETPOST('value');
+
+$prodattr = new ProductAttribute($db);
+$prodattrval = new ProductAttributeValue($db);
+
+if ($prodattr->fetch($id) < 1) {
+	dol_print_error($db, $langs->trans('ErrorRecordNotFound'));
+	die;
+}
+
+if ($_POST) {
+
+	if (empty($ref) || empty($value)) {
+		setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+	} else {
+
+		$prodattrval->fk_product_attribute = $prodattr->id;
+		$prodattrval->ref = $ref;
+		$prodattrval->value = $value;
+
+		if ($prodattrval->create() > 0) {
+			setEventMessage($langs->trans('RecordSaved'));
+			header('Location: '.dol_buildpath('/attributes/card.php?id='.$prodattr->id, 2));
+			die;
+		} else {
+			setEventMessage($langs->trans('ErrorCreatingProductAttributeValue'), 'errors');
+		}
+	}
+
+}
+
+$langs->load('products');
+
+$title = $langs->trans('ProductAttributeName', dol_htmlentities($prodattr->label));
+
+llxHeader('', $title);
+
+print_fiche_titre($title);
+
+dol_fiche_head();
+
+?>
+<table class="border" style="width: 100%">
+	<tr>
+		<td style="width: 15%" class="fieldrequired"><?php echo $langs->trans('Ref') ?></td>
+		<td><?php echo dol_htmlentities($prodattr->ref) ?>
+	</tr>
+	<tr>
+		<td style="width: 15%" class="fieldrequired"><?php echo $langs->trans('Label') ?></td>
+		<td><?php echo dol_htmlentities($prodattr->label) ?></td>
+	</tr>
+</table>
+
+<?php
+
+dol_fiche_end();
+
+print_fiche_titre($langs->trans('NewProductAttributeValue'));
+
+dol_fiche_head();
+?>
+<form method="post">
+	<table class="border" style="width: 100%">
+		<tr>
+			<td style="width: 15%" class="fieldrequired"><label for="ref"><?php echo $langs->trans('Ref') ?></label></td>
+			<td><input id="ref" type="text" name="ref" value="<?php echo $ref ?>"></td>
+		</tr>
+		<tr>
+			<td style="width: 15%" class="fieldrequired"><label for="value"><?php echo $langs->trans('Value') ?></label></td>
+			<td><input id="value" type="text" name="value" value="<?php echo $value ?>"></td>
+		</tr>
+	</table>
+<?php
+dol_fiche_end();
+
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Create").'"></div></form>';
+
+llxFooter();

htdocs/attributes/generator.php

@@ -0,0 +1,393 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttribute.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductAttributeValue.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination2ValuePair.class.php';
+
+$langs->load("products");
+$langs->load('other');
+
+$id = GETPOST('id', 'int');
+$ref = GETPOST('ref');
+$form = new Form($db);
+
+// Security check
+$fieldvalue = (! empty($id) ? $id : $ref);
+$fieldtype = (! empty($ref) ? 'ref' : 'rowid');
+$result=restrictedArea($user,'produit|service',$fieldvalue,'product&product','','',$fieldtype);
+
+$prodattr = new ProductAttribute($db);
+$prodattrval = new ProductAttributeValue($db);
+$product = new Product($db);
+
+$product->fetch($id);
+
+if (!$product->isProduct()) {
+	header('Location: '.dol_buildpath('/product/card.php?id='.$product->id, 2));
+	die;
+}
+
+/**
+ * Posible combinations. Format.
+ * attrval => array(
+ * 		valueid => array(
+ * 			price => ''
+ * 			weight => ''
+ * 		)
+ * )
+ */
+$combinations = GETPOST('combinations', 'array');
+$price_var_percent = (bool) GETPOST('price_var_percent');
+$donotremove = true;
+
+if ($_POST) {
+
+	$donotremove = (bool) GETPOST('donotremove');
+
+	//We must check if all those given combinations actually exist
+	$sanitized_values = array();
+
+	foreach ($combinations as $attr => $val) {
+		if ($prodattr->fetch($attr) > 0) {
+			foreach ($val as $valueid => $content) {
+				if ($prodattrval->fetch($valueid) > 0) {
+					$sanitized_values[$attr][$valueid] = $content;
+				}
+			}
+		}
+	}
+
+	if ($sanitized_values) {
+
+		require DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
+
+		$adapted_values = array();
+
+		//Adapt the array to the cartesian function
+		foreach ($sanitized_values as $attr => $val) {
+			$adapted_values[$attr] = array_keys($val);
+		}
+
+		$db->begin();
+
+		$combination = new ProductCombination($db);
+
+		$delete_prev_comb_res = 1;
+
+		if (!$donotremove) {
+			$delete_prev_comb_res = $combination->deleteByFkProductParent($id);
+		}
+
+		//Current combinations will be deleted
+		if ($delete_prev_comb_res > 0) {
+
+			$res = 1;
+
+			foreach (cartesianArray($adapted_values) as $currcomb) {
+
+				$res = ProductCombination::createProductCombination($product, $currcomb, $sanitized_values, $price_var_percent);
+
+				if ($res < 0) {
+					break;
+				}
+			}
+
+			if ($res > 0) {
+				$db->commit();
+				setEventMessage($langs->trans('RecordSaved'));
+				header('Location: '.dol_buildpath('/attributes/combinations.php?id='.$id, 2));
+				die;
+			} else {
+				setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			}
+		} else {
+			setEventMessage($langs->trans('ErrorDeletingGeneratedProducts'), 'errors');
+		}
+
+		$db->rollback();
+
+	} else {
+		setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+	}
+}
+
+/*
+ *	View
+ */
+
+if (! empty($id) || ! empty($ref)) {
+	$object = new Product($db);
+	$result = $object->fetch($id, $ref);
+
+	llxHeader("", "", $langs->trans("CardProduct".$object->type));
+
+	if ($result) {
+		$head = product_prepare_head($object);
+		$titre = $langs->trans("CardProduct".$object->type);
+		$picto = ($object->type == Product::TYPE_SERVICE ? 'service' : 'product');
+
+		dol_fiche_head($head, 'combinations', $titre, 0, $picto);
+
+		print '<table class="border" width="100%">';
+
+		// Reference
+		print '<tr>';
+		print '<td width="30%">'.$langs->trans("Ref").'</td><td colspan="3">';
+		print $form->showrefnav($object, 'id', '', 0);
+		print '</td>';
+		print '</tr>';
+
+		// Label
+		print '<tr><td>'.$langs->trans("Label").'</td><td colspan="3">'.$object->label.'</td></tr>';
+
+		// Status (to sell)
+		print '<tr><td>'.$langs->trans("Status").' ('.$langs->trans("Sell").')</td><td>';
+		print $object->getLibStatut(2, 0);
+		print '</td></tr>';
+
+		// Status (to buy)
+		print '<tr><td>'.$langs->trans("Status").' ('.$langs->trans("Buy").')</td><td>';
+		print $object->getLibStatut(2, 1);
+		print '</td></tr>';
+
+		print '</table>';
+
+		dol_fiche_end();
+	}
+
+	print_fiche_titre($langs->trans('ProductCombinationGenerator'));
+
+	$dictionnary_attr = array();
+
+	foreach ($prodattr->fetchAll() as $attr) {
+		$dictionnary_attr[$attr->id] = $attr;
+		foreach ($prodattrval->fetchAllByProductAttribute($attr->id) as $attrval) {
+			$dictionnary_attr[$attr->id]->values[$attrval->id] = $attrval;
+		}
+	}
+	?>
+
+	<script>
+
+		dictionnary_attr = <?php echo json_encode($dictionnary_attr) ?>;
+		weight_units = '<?php echo measuring_units_string($object->weight_units, 'weight') ?>';
+		attr_selected = {};
+		percentage_variation = jQuery('input#price_var_percent').prop('checked');
+
+		function parseSelectedFeatures(attr, val, inputs) {
+
+			var price = '';
+			var weight = '';
+
+			if (typeof(inputs) == 'object') {
+				price = inputs.price;
+				weight = inputs.weight;
+			}
+
+			if (!attr_selected.hasOwnProperty(attr)) {
+
+				var label = dictionnary_attr[attr].label;
+
+				var table = jQuery(document.createElement('table'))
+					.attr('id', 'combinations_'+attr)
+					.css('width', '100%')
+					.addClass('liste')
+					.append(
+						jQuery(document.createElement('thead'))
+							.append(jQuery(document.createElement('tr'))
+								.addClass('liste_titre')
+								.append(
+									jQuery(document.createElement('th'))
+										.addClass('liste_titre')
+										.css('width', '40%')
+										.text(label),
+									jQuery(document.createElement('th')).addClass('liste_titre').css('text-align', 'center').html('<?php echo $langs->trans('PriceImpact') ?>'),
+									jQuery(document.createElement('th')).addClass('liste_titre').css('text-align', 'center').html('<?php echo $langs->trans('WeightImpact') ?>')
+								)
+							)
+					)
+				;
+
+
+				jQuery('form#combinationsform').prepend(table);
+
+				attr_selected[attr] = [];
+			} else {
+				if (jQuery.inArray(val, attr_selected[attr]) != -1) {
+					return;
+				}
+			}
+
+			var combinations_table = jQuery('table#combinations_' + attr);
+			var html = jQuery(document.createElement('tr'));
+
+			if (combinations_table.children('tbody').children('tr').length % 2 === 0) {
+				html.addClass('pair');
+			} else {
+				html.addClass('impair');
+			}
+
+			var percent_symbol_html = jQuery(document.createElement('span')).attr('id', 'percentsymbol').html(' %');
+
+			if (!percentage_variation) {
+				percent_symbol_html.hide();
+			}
+
+			html.append(
+				jQuery(document.createElement('td')).text(dictionnary_attr[attr].values[val].value),
+				jQuery(document.createElement('td')).css('text-align', 'center').append(
+					jQuery(document.createElement('input')).attr('type', 'text').css('width', '50px').attr('name', 'combinations[' + attr + '][' + val + '][price]').val(price),
+					percent_symbol_html
+				),
+				jQuery(document.createElement('td')).css('text-align', 'center').append(
+					jQuery(document.createElement('input')).attr('type', 'text').css('width', '50px').attr('name', 'combinations[' + attr + '][' + val + '][weight]').val(weight),
+					' ' + weight_units
+				)
+			);
+
+			combinations_table.append(html);
+
+			attr_selected[attr].push(val);
+		}
+
+		function showHidePercentageSymbol(checked) {
+
+			percentage_variation = checked;
+
+			if (checked) {
+				jQuery('span#percentsymbol').show();
+			} else {
+				jQuery('span#percentsymbol').hide();
+			}
+		}
+
+		jQuery(document).ready(function() {
+
+			var input_price_var_percent = jQuery('input#price_var_percent');
+
+			jQuery.each(<?php echo json_encode($combinations) ?>, function(key, val) {
+				jQuery.each(val, function(valkey, valcontent) {
+					parseSelectedFeatures(key, valkey, valcontent);
+				});
+			});
+
+			jQuery('#addfeature').click(function() {
+				jQuery('#features option:selected').each(function(selector) {
+					var explode = jQuery(this).val().split(':');
+					parseSelectedFeatures(explode[0], explode[1]);
+				});
+			});
+
+			jQuery('#delfeature').click(function() {
+				jQuery('#features option:selected').each(function(selector) {
+					var explode = jQuery(this).val().split(':');
+
+					if (attr_selected.hasOwnProperty(explode[0])) {
+						var tr = jQuery('input[name="combinations[' + explode[0] + '][' + explode[1] + '][price]"').parent().parent();
+
+						var index_value = jQuery.inArray(explode[1], attr_selected[explode[0]]);
+
+						attr_selected[explode[0]].splice(index_value, 1);
+
+						if (tr.parent().children('tr').length === 1) {
+							tr.parent().parent().detach();
+							delete attr_selected[explode[0]]
+						} else {
+							tr.detach();
+						}
+					}
+				});
+			});
+
+			input_price_var_percent.click(function() {
+				showHidePercentageSymbol(jQuery(this).prop('checked'));
+			});
+
+			jQuery('input#donotremove').click(function() {
+				if (jQuery(this).prop('checked')) {
+					jQuery('div#info_donotremove').hide();
+				} else {
+					jQuery('div#info_donotremove').show();
+				}
+			});
+		});
+
+	</script>
+
+	<div style="width: 100%;display:block; height: 300px">
+
+		<div style="float:right; width: 79%; margin-left: 1%">
+
+			<form method="post" id="combinationsform">
+
+					<p><?php echo $langs->trans('TooMuchCombinationsWarning', $langs->trans('DoNotRemovePreviousCombinations')) ?></p>
+					<input type="checkbox" name="price_var_percent"
+					       id="price_var_percent"<?php echo $price_var_percent ? ' checked' : '' ?>> <label
+						for="price_var_percent"><?php echo $langs->trans('UsePercentageVariations') ?></label>
+					<br>
+					<input type="checkbox" name="donotremove"
+					       id="donotremove"<?php echo $donotremove ? ' checked' : '' ?>> <label for="donotremove"><?php echo $langs->trans('DoNotRemovePreviousCombinations') ?></label>
+
+					<br>
+					<div id="info_donotremove" class="info" style="<?php echo $donotremove ? 'display: none' : '' ?>">
+						<?php echo img_warning() ?>
+						<?php echo $langs->trans('ProductCombinationGeneratorWarning') ?>
+					</div>
+					<br>
+
+				<div style="text-align: center">
+					<input type="submit" value="<?php echo $langs->trans('Generate') ?>" class="button" name="submit">
+				</div>
+
+			</form>
+
+		</div>
+		<div style="float:left; width: 20%">
+
+			<select id="features" multiple style="width: 100%; height: 300px; overflow: auto">
+				<?php foreach ($dictionnary_attr as $attr): ?>
+				<optgroup label="<?php echo $attr->label ?>">
+					<?php foreach ($attr->values as $attrval): ?>
+						<option value="<?php echo $attr->id.':'.$attrval->id ?>"<?php
+						if (isset($combinations[$attr->id][$attrval->id])) {
+							echo ' selected';
+						}
+						?>><?php echo dol_htmlentities($attrval->value) ?></option>
+					<?php endforeach ?>
+				</optgroup>
+				<?php endforeach ?>
+			</select>
+
+			<br><br>
+			<a class="button" id="delfeature" style="float: right"><?php echo img_edit_remove() ?></a>
+			<a class="button" id="addfeature"><?php echo img_edit_add() ?></a>
+
+		</div>
+
+	</div>
+
+
+	<?php
+
+	llxFooter();
+}

htdocs/attributes/lib/product_attributes.lib.php

@@ -0,0 +1,31 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Returns the entity of the products.
+ * @param DoliDB $db Database handler
+ * @return mixed
+ */
+function getProductEntities(DoliDB $db)
+{
+	require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+
+	$product = new Product($db);
+
+	return getEntity($product->element, 1);
+}

htdocs/attributes/list.php

@@ -0,0 +1,140 @@
+<?php
+
+/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require '../main.inc.php';
+require 'class/ProductAttribute.class.php';
+
+$rowid = GETPOST('rowid');
+$action = GETPOST('action');
+$object = new ProductAttribute($db);
+
+if ($action == 'up') {
+	$object->fetch($rowid);
+	$object->moveUp();
+
+	header('Location: '.$_SERVER['PHP_SELF']);
+	die;
+} elseif ($action == 'down') {
+	$object->fetch($rowid);
+	$object->moveDown();
+
+	header('Location: '.$_SERVER['PHP_SELF']);
+	die;
+}
+
+$langs->load('products');
+
+$var = false;
+$title = $langs->trans($langs->trans('ProductAttributes'));
+
+$attributes = $object->fetchAll();
+
+llxHeader('', $title);
+
+print_fiche_titre($title);
+
+$forcereloadpage=empty($conf->global->MAIN_FORCE_RELOAD_PAGE)?0:1;
+?>
+	<script type="text/javascript">
+		$(document).ready(function(){
+			$(".imgupforline, .imgdownforline").hide();
+			$(".lineupdown").removeAttr('href');
+			$(".tdlineupdown")
+				.css("background-image", 'url(<?php echo DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/grip.png'; ?>)')
+				.css("background-repeat", "no-repeat")
+				.css("background-position", "center center")
+				.hover(
+					function () {
+						$(this).addClass('showDragHandle');
+					}, function () {
+						$(this).removeClass('showDragHandle');
+					}
+				);
+
+			$("#tablelines").tableDnD({
+				onDrop: function(table, row) {
+					console.log('drop');
+					var reloadpage = "<?php echo $forcereloadpage; ?>";
+					var roworder = cleanSerialize($("#tablelines").tableDnDSerialize());
+					$.post("<?php echo DOL_URL_ROOT; ?>/attributes/ajax/orderAttribute.php",
+						{
+							roworder: roworder
+						},
+						function() {
+							if (reloadpage == 1) {
+								location.href = '<?php echo $_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']; ?>';
+							} else {
+								$("#tablelines .drag").each(
+									function( intIndex ) {
+										$(this).removeClass("pair impair");
+										if (intIndex % 2 == 0) $(this).addClass('impair');
+										if (intIndex % 2 == 1) $(this).addClass('pair');
+									});
+							}
+						});
+				},
+				onDragClass: "dragClass",
+				dragHandle: "tdlineupdown"
+			});
+		});
+	</script>
+
+	<table class="liste" id="tablelines">
+		<tr class="liste_titre nodrag nodrop">
+			<th class="liste_titre"><?php print $langs->trans('Ref') ?></th>
+			<th class="liste_titre"><?php print $langs->trans('Label') ?></th>
+			<th class="liste_titre"><?php print $langs->trans('NbProducts') ?></th>
+			<th class="liste_titre" colspan="2"></th>
+		</tr>
+		<?php foreach ($attributes as $key => $attribute): ?>
+		<tr id="row-<?php echo $attribute->id ?>" <?php echo $bcdd[$var] ?>>
+			<td><a href="card.php?id=<?php echo $attribute->id ?>"><?php echo dol_htmlentities($attribute->ref) ?></a></td>
+			<td><a href="card.php?id=<?php echo $attribute->id ?>"><?php echo dol_htmlentities($attribute->label) ?></a></td>
+			<td><?php echo $attribute->countChildProducts() ?></td>
+			<td style="text-align: right">
+				<a href="card.php?id=<?php echo $attribute->id ?>&action=edit"><?php echo img_edit() ?></a>
+				<a href="card.php?id=<?php echo $attribute->id ?>&action=delete"><?php echo img_delete() ?></a>
+			</td>
+			<td align="center" class="linecolmove tdlineupdown">
+				<?php if ($key > 0): ?>
+				<a class="lineupdown"
+				   href="<?php echo $_SERVER['PHP_SELF'] ?>?action=up&amp;rowid=<?php echo $attribute->id ?>"><?php echo img_up('default', 0, 'imgupforline'); ?></a>
+				<?php endif ?>
+				<?php if ($key < count($attributes)-1): ?>
+				<a class="lineupdown"
+				   href="<?php echo $_SERVER['PHP_SELF'] ?>?action=down&amp;rowid=<?php echo $attribute->id ?>"><?php echo img_down('default', 0, 'imgdownforline'); ?></a>
+				<?php endif ?>
+			</td>
+		</tr>
+		<?php
+			$var = !$var;
+			endforeach
+		?>
+
+	</table>
+
+	<br>
+
+	<div class="tabsAction">
+		<div class="inline-block divButAction">
+		<a href="create.php" class="butAction"><?php echo $langs->trans('Create') ?></a>
+		</div>
+	</div>
+<?php
+
+llxFooter();

htdocs/comm/propal/card.php

@@ -11,6 +11,7 @@
  * Copyright (C) 2012      Cedric Salvador       <csalvador@gpcsolutions.fr>
  * Copyright (C) 2013-2014 Florian Henry		 <florian.henry@open-concept.pro>
  * Copyright (C) 2014	   Ferran Marcet		 <fmarcet@2byte.es>
+ * Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -48,6 +49,10 @@ if (! empty($conf->projet->enabled)) {
 	require_once DOL_DOCUMENT_ROOT . '/core/class/html.formprojet.class.php';
 }
 
+if (!empty($conf->attributes->enabled)) {
+	require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+}
+
 $langs->load('companies');
 $langs->load('propal');
 $langs->load('compta');
@@ -655,7 +660,8 @@ if (empty($reshook))
 		$predef='';
 		$product_desc=(GETPOST('dp_desc')?GETPOST('dp_desc'):'');
 		$price_ht = GETPOST('price_ht');
-		if (GETPOST('prod_entry_mode') == 'free')
+		$prod_entry_mode = GETPOST('prod_entry_mode');
+		if ($prod_entry_mode == 'free')
 		{
 			$idprod=0;
 			$tva_tx = (GETPOST('tva_tx') ? GETPOST('tva_tx') : 0);
@@ -681,21 +687,35 @@ if (empty($reshook))
 			}
 		}
 
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && GETPOST('type') < 0) {
+		if ($prod_entry_mode == 'free' && empty($idprod) && GETPOST('type') < 0) {
 			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("Type")), null, 'errors');
 			$error ++;
 		}
 
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && $price_ht == '') 	// Unit price can be 0 but not ''. Also price can be negative for proposal.
+		if ($prod_entry_mode == 'free' && empty($idprod) && $price_ht == '') 	// Unit price can be 0 but not ''. Also price can be negative for proposal.
 		{
 			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("UnitPriceHT")), null, 'errors');
 			$error ++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && empty($product_desc)) {
+		if ($prod_entry_mode == 'free' && empty($idprod) && empty($product_desc)) {
 			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("Description")), null, 'errors');
 			$error ++;
 		}
 
+		if (!$error && !empty($conf->attributes->enabled) && $prod_entry_mode != 'free') {
+			if ($combinations = GETPOST('combinations', 'array')) {
+				//Check if there is a product with the given combination
+				$prodcomb = new ProductCombination($db);
+
+				if ($res = $prodcomb->fetchByProductCombination2ValuePairs($idprod, $combinations)) {
+					$idprod = $res->fk_product_child;
+				} else {
+					setEventMessage($langs->trans('ErrorProductCombinationNotFound'), 'errors');
+					$error ++;
+				}
+			}
+		}
+
 		if (! $error && ($qty >= 0) && (! empty($product_desc) || ! empty($idprod))) {
 			$pu_ht = 0;
 			$pu_ttc = 0;

htdocs/commande/card.php

@@ -7,7 +7,7 @@
  * Copyright (C) 2010-2013	Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2011-2016	Philippe Grand			<philippe.grand@atoo-net.com>
  * Copyright (C) 2012-2013	Christophe Battarel		<christophe.battarel@altairis.fr>
- * Copyright (C) 2012		Marcos García			<marcosgdf@gmail.com>
+ * Copyright (C) 2012-2016	Marcos García			<marcosgdf@gmail.com>
  * Copyright (C) 2012       Cedric Salvador      	<csalvador@gpcsolutions.fr>
  * Copyright (C) 2013		Florian Henry			<florian.henry@open-concept.pro>
  * Copyright (C) 2014       Ferran Marcet			<fmarcet@2byte.es>
@@ -51,6 +51,10 @@ if (! empty($conf->projet->enabled)) {
 }
 require_once DOL_DOCUMENT_ROOT . '/core/class/doleditor.class.php';
 
+if (!empty($conf->attributes->enabled)) {
+	require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+}
+
 $langs->load('orders');
 $langs->load('sendings');
 $langs->load('companies');
@@ -621,7 +625,8 @@ if (empty($reshook))
 		$predef='';
 		$product_desc=(GETPOST('dp_desc')?GETPOST('dp_desc'):'');
 		$price_ht = GETPOST('price_ht');
-		if (GETPOST('prod_entry_mode') == 'free')
+		$prod_entry_mode = GETPOST('prod_entry_mode');
+		if ($prod_entry_mode == 'free')
 		{
 			$idprod=0;
 			$tva_tx = (GETPOST('tva_tx') ? GETPOST('tva_tx') : 0);
@@ -651,11 +656,11 @@ if (empty($reshook))
 			setEventMessages($langs->trans('ErrorBothFieldCantBeNegative', $langs->transnoentitiesnoconv('UnitPriceHT'), $langs->transnoentitiesnoconv('Qty')), null, 'errors');
 			$error++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && GETPOST('type') < 0) {
+		if ($prod_entry_mode == 'free' && empty($idprod) && GETPOST('type') < 0) {
 			setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Type')), null, 'errors');
 			$error++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && (! ($price_ht >= 0) || $price_ht == '')) 	// Unit price can be 0 but not ''
+		if ($prod_entry_mode == 'free' && empty($idprod) && (! ($price_ht >= 0) || $price_ht == '')) 	// Unit price can be 0 but not ''
 		{
 			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("UnitPriceHT")), null, 'errors');
 			$error++;
@@ -664,11 +669,25 @@ if (empty($reshook))
 			setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Qty')), null, 'errors');
 			$error++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && empty($product_desc)) {
+		if ($prod_entry_mode == 'free' && empty($idprod) && empty($product_desc)) {
 			setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Description')), null, 'errors');
 			$error++;
 		}
 
+		if (!$error && !empty($conf->attributes->enabled) && $prod_entry_mode != 'free') {
+			if ($combinations = GETPOST('combinations', 'array')) {
+				//Check if there is a product with the given combination
+				$prodcomb = new ProductCombination($db);
+
+				if ($res = $prodcomb->fetchByProductCombination2ValuePairs($idprod, $combinations)) {
+					$idprod = $res->fk_product_child;
+				} else {
+					setEventMessage($langs->trans('ErrorProductCombinationNotFound'), 'errors');
+					$error ++;
+				}
+			}
+		}
+
 		if (! $error && ($qty >= 0) && (! empty($product_desc) || ! empty($idprod))) {
 			// Clean parameters
 			$date_start=dol_mktime(GETPOST('date_start'.$predef.'hour'), GETPOST('date_start'.$predef.'min'), GETPOST('date_start'.$predef.'sec'), GETPOST('date_start'.$predef.'month'), GETPOST('date_start'.$predef.'day'), GETPOST('date_start'.$predef.'year'));

htdocs/compta/facture.php

@@ -13,7 +13,7 @@
  * Copyright (C) 2013-2014 Florian Henry         <florian.henry@open-concept.pro>
  * Copyright (C) 2013      Cédric Salvador       <csalvador@gpcsolutions.fr>
  * Copyright (C) 2014	   Ferran Marcet	 	 <fmarcet@2byte.es>
- * Copyright (C) 2015      Marcos García         <marcosgdf@gmail.com>
+ * Copyright (C) 2015-2016 Marcos García         <marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -56,6 +56,10 @@ if (! empty($conf->projet->enabled)) {
 }
 require_once DOL_DOCUMENT_ROOT . '/core/class/doleditor.class.php';
 
+if (!empty($conf->attributes->enabled)) {
+	require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+}
+
 $langs->load('bills');
 $langs->load('companies');
 $langs->load('compta');
@@ -1322,7 +1326,8 @@ if (empty($reshook))
 		$predef='';
 		$product_desc=(GETPOST('dp_desc')?GETPOST('dp_desc'):'');
 		$price_ht = GETPOST('price_ht');
-		if (GETPOST('prod_entry_mode') == 'free')
+		$prod_entry_mode = GETPOST('prod_entry_mode');
+		if ($prod_entry_mode == 'free')
 		{
 			$idprod=0;
 			$tva_tx = (GETPOST('tva_tx') ? GETPOST('tva_tx') : 0);
@@ -1352,11 +1357,11 @@ if (empty($reshook))
 			setEventMessages($langs->trans('ErrorBothFieldCantBeNegative', $langs->transnoentitiesnoconv('UnitPriceHT'), $langs->transnoentitiesnoconv('Qty')), null, 'errors');
 			$error ++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && GETPOST('type') < 0) {
+		if ($prod_entry_mode == 'free' && empty($idprod) && GETPOST('type') < 0) {
 			setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Type')), null, 'errors');
 			$error ++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && (! ($price_ht >= 0) || $price_ht == '')) 	// Unit price can be 0 but not ''
+		if ($prod_entry_mode == 'free' && empty($idprod) && (! ($price_ht >= 0) || $price_ht == '')) 	// Unit price can be 0 but not ''
 		{
 			setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("UnitPriceHT")), null, 'errors');
 			$error ++;
@@ -1365,7 +1370,7 @@ if (empty($reshook))
 			setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Qty')), null, 'errors');
 			$error ++;
 		}
-		if (GETPOST('prod_entry_mode') == 'free' && empty($idprod) && empty($product_desc)) {
+		if ($prod_entry_mode == 'free' && empty($idprod) && empty($product_desc)) {
 			setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Description')), null, 'errors');
 			$error ++;
 		}
@@ -1374,7 +1379,23 @@ if (empty($reshook))
 			setEventMessages($langs->trans('ErrorQtyForCustomerInvoiceCantBeNegative'), null, 'errors');
 			$error ++;
 		}
+
+		if (!$error && !empty($conf->attributes->enabled) && $prod_entry_mode != 'free') {
+			if ($combinations = GETPOST('combinations', 'array')) {
+				//Check if there is a product with the given combination
+				$prodcomb = new ProductCombination($db);
+
+				if ($res = $prodcomb->fetchByProductCombination2ValuePairs($idprod, $combinations)) {
+					$idprod = $res->fk_product_child;
+				} else {
+					setEventMessage($langs->trans('ErrorProductCombinationNotFound'), 'errors');
+					$error ++;
+				}
+			}
+		}
+
 		if (! $error && ($qty >= 0) && (! empty($product_desc) || ! empty($idprod))) {
+
 			$ret = $object->fetch($id);
 			if ($ret < 0) {
 				dol_print_error($db, $object->error);

htdocs/contrat/card.php

@@ -7,7 +7,7 @@
  * Copyright (C) 2013       Christophe Battarel     <christophe.battarel@altairis.fr>
  * Copyright (C) 2013-2014  Florian Henry		  	<florian.henry@open-concept.pro>
  * Copyright (C) 2014-2016	Ferran Marcet		  	<fmarcet@2byte.es>
- * Copyright (C) 2014       Marcos García           <marcosgdf@gmail.com>
+ * Copyright (C) 2014-2016  Marcos García           <marcosgdf@gmail.com>
  * Copyright (C) 2015       Jean-François Ferry		<jfefe@aternatik.fr>
  *
  * This program is free software; you can redistribute it and/or modify

htdocs/core/class/html.form.class.php

@@ -12,7 +12,7 @@
  * Copyright (C) 2010       Juanjo Menent           <jmenent@2byte.es>
  * Copyright (C) 2010-2014  Philippe Grand          <philippe.grand@atoo-net.com>
  * Copyright (C) 2011       Herve Prot              <herve.prot@symeos.com>
- * Copyright (C) 2012-2014  Marcos García           <marcosgdf@gmail.com>
+ * Copyright (C) 2012-2016  Marcos García           <marcosgdf@gmail.com>
  * Copyright (C) 2012       Cedric Salvador         <csalvador@gpcsolutions.fr>
  * Copyright (C) 2012-2015  Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
  * Copyright (C) 2014       Alexandre Spangaro      <aspangaro.dolibarr@gmail.com>
@@ -1605,9 +1605,10 @@ class Form
      *  @param		int			$hidelabel				Hide label (0=no, 1=yes, 2=show search icon (before) and placeholder, 3 search icon after)
      *  @param		array		$ajaxoptions			Options for ajax_autocompleter
      *  @param      int			$socid					Thirdparty Id (to get also price dedicated to this customer)
+     * @param array $selected_combinations Selected combinations. Format: array([attrid] => attrval, [...])
      *  @return		void
      */
-    function select_produits($selected='', $htmlname='productid', $filtertype='', $limit=20, $price_level=0, $status=1, $finished=2, $selected_input_value='', $hidelabel=0, $ajaxoptions=array(), $socid=0)
+    function select_produits($selected='', $htmlname='productid', $filtertype='', $limit=20, $price_level=0, $status=1, $finished=2, $selected_input_value='', $hidelabel=0, $ajaxoptions=array(), $socid=0, $selected_combinations = array())
     {
         global $langs,$conf;
 
@@ -1632,6 +1633,80 @@ class Form
             	$urloption.='&socid='.$socid;
             }
             print ajax_autocompleter($selected, $htmlname, DOL_URL_ROOT.'/product/ajax/products.php', $urloption, $conf->global->PRODUIT_USE_SEARCH_TO_SELECT, 0, $ajaxoptions);
+
+			if (!empty($conf->attributes->enabled)) {
+				?>
+				<script>
+
+					selected = <?php echo json_encode($selected_combinations) ?>;
+					combvalues = {};
+
+					jQuery(document).ready(function () {
+
+						jQuery("input[name='prod_entry_mode']").change(function () {
+							if (jQuery(this).val() == 'free') {
+								jQuery('div#attributes_box').empty();
+							}
+						});
+
+						jQuery("input#<?php echo $htmlname ?>").change(function () {
+
+							if (!jQuery(this).val()) {
+								jQuery('div#attributes_box').empty();
+								return;
+							}
+
+							jQuery.getJSON("<?php echo dol_buildpath('/attributes/ajax/getCombinations.php', 2) ?>", {
+								id: jQuery(this).val()
+							}, function (data) {
+								jQuery('div#attributes_box').empty();
+
+								jQuery.each(data, function (key, val) {
+
+									combvalues[val.id] = val.values;
+
+									var span = jQuery(document.createElement('div')).css({
+										'display': 'table-row'
+									});
+
+									span.append(
+										jQuery(document.createElement('div')).text(val.label).css({
+											'font-weight': 'bold',
+											'display': 'table-cell',
+											'text-align': 'right'
+										})
+									);
+
+									var html = jQuery(document.createElement('select')).attr('name', 'combinations[' + val.id + ']').css({
+										'margin-left': '15px',
+										'white-space': 'pre'
+									}).append(
+										jQuery(document.createElement('option')).val('')
+									);
+
+									jQuery.each(combvalues[val.id], function (key, val) {
+										var tag = jQuery(document.createElement('option')).val(val.id).html(val.value);
+
+										if (selected[val.fk_product_attribute] == val.id) {
+											tag.attr('selected', 'selected');
+										}
+
+										html.append(tag);
+									});
+
+									span.append(html);
+									jQuery('div#attributes_box').append(span);
+								});
+							})
+						});
+
+						<?php if ($selected): ?>
+						jQuery("input#<?php echo $htmlname ?>").change();
+						<?php endif ?>
+					});
+				</script>
+                <?php
+            }
             if (empty($hidelabel)) print $langs->trans("RefOrLabel").' : ';
             else if ($hidelabel > 1) {
             	if (! empty($conf->global->MAIN_HTML5_PLACEHOLDER)) $placeholder=' placeholder="'.$langs->trans("RefOrLabel").'"';
@@ -1709,7 +1784,17 @@ class Form
         {
             $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."product_lang as pl ON pl.fk_product = p.rowid AND pl.lang='". $langs->getDefaultLang() ."'";
         }
+
+        if (!empty($conf->global->PRODUIT_ATTRIBUTES_HIDECHILD)) {
+            $sql .= " LEFT JOIN llx_product_attribute_combination pac ON pac.fk_product_child = p.rowid";
+        }
+
         $sql.= ' WHERE p.entity IN ('.getEntity('product', 1).')';
+
+        if (!empty($conf->global->PRODUIT_ATTRIBUTES_HIDECHILD)) {
+            $sql .= " AND pac.rowid IS NULL";
+        }
+
         if ($finished == 0)
         {
             $sql.= " AND p.finished = ".$finished;

htdocs/core/lib/functions2.lib.php

@@ -2,7 +2,7 @@
 /* Copyright (C) 2008-2011  Laurent Destailleur         <eldy@users.sourceforge.net>
  * Copyright (C) 2008-2012  Regis Houssin               <regis.houssin@capnetworks.com>
  * Copyright (C) 2008       Raphael Bertrand (Resultic) <raphael.bertrand@resultic.fr>
- * Copyright (C) 2014       Marcos García               <marcosgdf@gmail.com>
+ * Copyright (C) 2014-2016  Marcos García               <marcosgdf@gmail.com>
  * Copyright (C) 2015       Ferran Marcet               <fmarcet@2byte.es>
  * Copyright (C) 2015-2016  Raphaël Doursenaud          <rdoursenaud@gpcsolutions.fr>
  *
@@ -2058,4 +2058,31 @@ function colorStringToArray($stringcolor,$colorifnotfound=array(88,88,88))
 	return array(hexdec($reg[1]),hexdec($reg[2]),hexdec($reg[3]));
 }
 
+/**
+ * Applies the Cartesian product algorithm to an array
+ * Source: http://stackoverflow.com/a/15973172
+ *
+ * @param array $input Array of products
+ * @return array Array of combinations
+ */
+function cartesianArray(array $input) {
+    // filter out empty values
+    $input = array_filter($input);
 
+    $result = array(array());
+
+    foreach ($input as $key => $values) {
+        $append = array();
+
+        foreach($result as $product) {
+            foreach($values as $item) {
+                $product[$key] = $item;
+                $append[] = $product;
+            }
+        }
+
+        $result = $append;
+    }
+
+    return $result;
+}

htdocs/core/lib/product.lib.php

@@ -3,7 +3,7 @@
  * Copyright (C) 2007       Rodolphe Quiedeville    <rodolphe@quiedeville.org>
  * Copyright (C) 2009-2010  Regis Houssin           <regis.houssin@capnetworks.com>
  * Copyright (C) 2015       Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
- * Copyright (C) 2015		Marcos García			<marcosgdf@gmail.com>
+ * Copyright (C) 2015-2016	Marcos García			<marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -106,6 +106,23 @@ function product_prepare_head($object)
 	$head[$h][2] = 'referers';
 	$h++;
 
+	if (!empty($conf->attributes->enabled) && $object->isProduct()) {
+
+		global $db;
+
+		require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+
+		$prodcomb = new ProductCombination($db);
+
+		if ($prodcomb->fetchByFkProductChild($object->id) == -1) {
+			$head[$h][0] = DOL_URL_ROOT."/attributes/combinations.php?id=".$object->id;
+			$head[$h][1] = $langs->trans('ProductCombinations');
+			$head[$h][2] = 'combinations';
+		}
+
+		$h++;
+	}
+
     if ($object->isProduct() || ($object->isService() && ! empty($conf->global->STOCK_SUPPORTS_SERVICES)))    // If physical product we can stock (or service with option)
     {
         if (! empty($conf->stock->enabled) && $user->rights->stock->lire)

htdocs/core/tpl/objectline_create.tpl.php

@@ -5,7 +5,7 @@
  * Copyright (C) 2012       Cédric Salvador     <csalvador@gpcsolutions.fr>
  * Copyright (C) 2014		Florian Henry		<florian.henry@open-concept.pro>
  * Copyright (C) 2014       Raphaël Doursenaud  <rdoursenaud@gpcsolutions.fr>
- * Copyright (C) 2015		Marcos García		<marcosgdf@gmail.com>
+ * Copyright (C) 2015-2016	Marcos García		<marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -52,7 +52,7 @@ if (in_array($object->element,array('propal', 'supplier_proposal','facture','fac
 
 <!-- BEGIN PHP TEMPLATE objectline_create.tpl.php -->
 
-<tr class="liste_titre liste_titre_add nodrag nodrop">
+<tr id="addline" class="liste_titre liste_titre_add nodrag nodrop">
 	<td class="linecoldescription" <?php echo (! empty($conf->global->MAIN_VIEW_LINE_NUMBER) ? ' colspan="2"' : ''); ?>>
 	<div id="add"></div><span class="hideonsmartphone"><?php echo $langs->trans('AddNewLine'); ?></span><?php // echo $langs->trans("FreeZone"); ?>
 	</td>
@@ -178,7 +178,7 @@ else {
 
 		if (empty($senderissupplier))
 		{
-			$form->select_produits(GETPOST('idprod'), 'idprod', $filtertype, $conf->product->limit_size, $buyer->price_level, 1, 2, '', 1, array(),$buyer->id);
+			$form->select_produits(GETPOST('idprod'), 'idprod', $filtertype, $conf->product->limit_size, $buyer->price_level, 1, 2, '', 1, array(),$buyer->id, GETPOST('combinations', 'array'));
 		}
 		else
 		{
@@ -210,7 +210,14 @@ else {
 	}
 
 
-	if (! empty($conf->product->enabled) || ! empty($conf->service->enabled)) echo '<br>';
+	if (! empty($conf->product->enabled) || ! empty($conf->service->enabled)) {
+
+		if (!empty($conf->attributes->enabled)) {
+			echo '<div id="attributes_box"></div>';
+		}
+
+		echo '<br>';
+	}
 
 	// Editor wysiwyg
 	require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
@@ -672,8 +679,8 @@ function setforfree() {
 	jQuery("#idprod").val('');
 	jQuery("#idprodfournprice").val('0');	// Set cursor on not selected product
 	jQuery("#search_idprodfournprice").val('');
-	jQuery("#prod_entry_mode_free").prop('checked',true);
+	jQuery("#prod_entry_mode_free").prop('checked',true).change();
-	jQuery("#prod_entry_mode_predef").prop('checked',false);
+	jQuery("#prod_entry_mode_predef").prop('checked',false).change();
 	jQuery("#price_ht").show();
 	jQuery("#price_ttc").show();	// May no exists
 	jQuery("#tva_tx").show();
@@ -691,8 +698,8 @@ function setforfree() {
 function setforpredef() {
 	console.log("Call setforpredef. We hide some fields");
 	jQuery("#select_type").val(-1);
-	jQuery("#prod_entry_mode_free").prop('checked',false);
+	jQuery("#prod_entry_mode_free").prop('checked',false).change();
-	jQuery("#prod_entry_mode_predef").prop('checked',true);
+	jQuery("#prod_entry_mode_predef").prop('checked',true).change();
 	jQuery("#price_ht").hide();
 	jQuery("#price_ttc").hide();	// May no exists
 	jQuery("#tva_tx").hide();

htdocs/fourn/commande/card.php

@@ -5,7 +5,7 @@
  * Copyright (C) 2005-2016 Regis Houssin        <regis.houssin@capnetworks.com>
  * Copyright (C) 2010-2015 Juanjo Menent        <jmenent@2byte.es>
  * Copyright (C) 2011-2015 Philippe Grand       <philippe.grand@atoo-net.com>
- * Copyright (C) 2012      Marcos García        <marcosgdf@gmail.com>
+ * Copyright (C) 2012-2016 Marcos García        <marcosgdf@gmail.com>
  * Copyright (C) 2013      Florian Henry        <florian.henry@open-concept.pro>
  * Copyright (C) 2014      Ion Agorria          <ion@agorria.com>
  *
@@ -50,6 +50,10 @@ if (!empty($conf->projet->enabled)) {
 }
 require_once NUSOAP_PATH.'/nusoap.php';     // Include SOAP
 
+if (!empty($conf->attributes->enabled)) {
+	require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+}
+
 $langs->load('admin');
 $langs->load('orders');
 $langs->load('sendings');
@@ -285,7 +289,7 @@ if (empty($reshook))
 		$product_desc=(GETPOST('dp_desc')?GETPOST('dp_desc'):'');
 		$date_start=dol_mktime(GETPOST('date_start'.$predef.'hour'), GETPOST('date_start'.$predef.'min'), GETPOST('date_start' . $predef . 'sec'), GETPOST('date_start'.$predef.'month'), GETPOST('date_start'.$predef.'day'), GETPOST('date_start'.$predef.'year'));
 		$date_end=dol_mktime(GETPOST('date_end'.$predef.'hour'), GETPOST('date_end'.$predef.'min'), GETPOST('date_end' . $predef . 'sec'), GETPOST('date_end'.$predef.'month'), GETPOST('date_end'.$predef.'day'), GETPOST('date_end'.$predef.'year'));
-		if (GETPOST('prod_entry_mode') == 'free')
+		if ($prod_entry_mode == 'free')
 		{
 			$idprod=0;
 			$price_ht = GETPOST('price_ht');
@@ -313,22 +317,22 @@ if (empty($reshook))
 	    	}
 	    }
 
-	    if (GETPOST('prod_entry_mode')=='free' && GETPOST('price_ht') < 0 && $qty < 0)
+	    if ($prod_entry_mode =='free' && GETPOST('price_ht') < 0 && $qty < 0)
 	    {
 	        setEventMessages($langs->trans('ErrorBothFieldCantBeNegative', $langs->transnoentitiesnoconv('UnitPrice'), $langs->transnoentitiesnoconv('Qty')), null, 'errors');
 	        $error++;
 	    }
-	    if (GETPOST('prod_entry_mode')=='free'  && ! GETPOST('idprodfournprice') && GETPOST('type') < 0)
+	    if ($prod_entry_mode =='free'  && ! GETPOST('idprodfournprice') && GETPOST('type') < 0)
 	    {
 	        setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Type')), null, 'errors');
 	        $error++;
 	    }
-	    if (GETPOST('prod_entry_mode')=='free' && GETPOST('price_ht')==='' && GETPOST('price_ttc')==='') // Unit price can be 0 but not ''
+	    if ($prod_entry_mode =='free' && GETPOST('price_ht')==='' && GETPOST('price_ttc')==='') // Unit price can be 0 but not ''
 	    {
 	        setEventMessages($langs->trans($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('UnitPrice'))), null, 'errors');
 	        $error++;
 	    }
-	    if (GETPOST('prod_entry_mode')=='free' && ! GETPOST('dp_desc'))
+	    if ($prod_entry_mode =='free' && ! GETPOST('dp_desc'))
 	    {
 	        setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Description')), null, 'errors');
 	        $error++;
@@ -339,10 +343,24 @@ if (empty($reshook))
 	        $error++;
 	    }
 
+		if (!$error && !empty($conf->attributes->enabled) && $prod_entry_mode != 'free') {
+			if ($combinations = GETPOST('combinations', 'array')) {
+				//Check if there is a product with the given combination
+				$prodcomb = new ProductCombination($db);
+
+				if ($res = $prodcomb->fetchByProductCombination2ValuePairs($idprod, $combinations)) {
+					$idprod = $res->fk_product_child;
+				} else {
+					setEventMessage($langs->trans('ErrorProductCombinationNotFound'), 'errors');
+					$error ++;
+				}
+			}
+		}
+
 		// Ecrase $pu par celui	du produit
 	    // Ecrase $desc	par	celui du produit
 	    // Ecrase $txtva  par celui du produit
-	    if ((GETPOST('prod_entry_mode') != 'free') && empty($error))	// With combolist mode idprodfournprice is > 0 or -1. With autocomplete, idprodfournprice is > 0 or ''
+	    if (($prod_entry_mode != 'free') && empty($error))	// With combolist mode idprodfournprice is > 0 or -1. With autocomplete, idprodfournprice is > 0 or ''
 	    {
 	    	$productsupplier = new ProductFournisseur($db);
 

htdocs/fourn/facture/card.php

@@ -7,7 +7,7 @@
  * Copyright (C) 2010-2014	Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2013-2015	Philippe Grand			<philippe.grand@atoo-net.com>
  * Copyright (C) 2013       Florian Henry		  	<florian.henry@open-concept.pro>
- * Copyright (C) 2014       Marcos García           <marcosgdf@gmail.com>
+ * Copyright (C) 2014-2016  Marcos García           <marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -45,6 +45,10 @@ if (!empty($conf->projet->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/html.formprojet.class.php';
 }
 
+if (!empty($conf->attributes->enabled)) {
+	require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+}
+
 
 $langs->load('bills');
 $langs->load('compta');
@@ -668,7 +672,8 @@ if (empty($reshook))
 		// Set if we used free entry or predefined product
 		$predef='';
 		$product_desc=(GETPOST('dp_desc')?GETPOST('dp_desc'):'');
-		if (GETPOST('prod_entry_mode') == 'free')
+		$prod_entry_mode = GETPOST('prod_entry_mode');
+		if ($prod_entry_mode == 'free')
 		{
 			$idprod=0;
 			$price_ht = GETPOST('price_ht');
@@ -699,22 +704,22 @@ if (empty($reshook))
 	    	}
 	    }
 
-	    if (GETPOST('prod_entry_mode')=='free' && GETPOST('price_ht') < 0 && $qty < 0)
+	    if ($prod_entry_mode =='free' && GETPOST('price_ht') < 0 && $qty < 0)
 	    {
 	        setEventMessages($langs->trans('ErrorBothFieldCantBeNegative', $langs->transnoentitiesnoconv('UnitPrice'), $langs->transnoentitiesnoconv('Qty')), null, 'errors');
 	        $error++;
 	    }
-	    if (GETPOST('prod_entry_mode')=='free'  && ! GETPOST('idprodfournprice') && GETPOST('type') < 0)
+	    if ($prod_entry_mode =='free'  && ! GETPOST('idprodfournprice') && GETPOST('type') < 0)
 	    {
 	        setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Type')), null, 'errors');
 	        $error++;
 	    }
-	    if (GETPOST('prod_entry_mode')=='free' && GETPOST('price_ht')==='' && GETPOST('price_ttc')==='') // Unit price can be 0 but not ''
+	    if ($prod_entry_mode =='free' && GETPOST('price_ht')==='' && GETPOST('price_ttc')==='') // Unit price can be 0 but not ''
 	    {
 	        setEventMessages($langs->trans($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('UnitPrice'))), null, 'errors');
 	        $error++;
 	    }
-	    if (GETPOST('prod_entry_mode')=='free' && ! GETPOST('dp_desc'))
+	    if ($prod_entry_mode =='free' && ! GETPOST('dp_desc'))
 	    {
 	        setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentitiesnoconv('Description')), null, 'errors');
 	        $error++;
@@ -725,7 +730,21 @@ if (empty($reshook))
 	        $error++;
 	    }
 
-	    if (GETPOST('prod_entry_mode') != 'free')	// With combolist mode idprodfournprice is > 0 or -1. With autocomplete, idprodfournprice is > 0 or ''
+		if (!$error && !empty($conf->attributes->enabled) && $prod_entry_mode != 'free') {
+			if ($combinations = GETPOST('combinations', 'array')) {
+				//Check if there is a product with the given combination
+				$prodcomb = new ProductCombination($db);
+
+				if ($res = $prodcomb->fetchByProductCombination2ValuePairs($idprod, $combinations)) {
+					$idprod = $res->fk_product_child;
+				} else {
+					setEventMessage($langs->trans('ErrorProductCombinationNotFound'), 'errors');
+					$error ++;
+				}
+			}
+		}
+
+		if ($prod_entry_mode != 'free')	// With combolist mode idprodfournprice is > 0 or -1. With autocomplete, idprodfournprice is > 0 or ''
 	    {
 	    	$idprod=0;
 	    	$productsupplier=new ProductFournisseur($db);

htdocs/install/mysql/migration/3.9.0-4.0.0.sql

@@ -515,4 +515,3 @@ CREATE TABLE llx_oauth_state (
 
 ALTER TABLE llx_product_batch ADD UNIQUE INDEX uk_product_batch (fk_product_stock, batch);
 
-

htdocs/install/mysql/migration/4.0.0-5.0.0.sql

@@ -39,3 +39,39 @@ DROP TABLE llx_ecm_documents;
 
 ALTER TABLE llx_notify ADD COLUMN type_target varchar(16) NULL;
 
+-- Product attributes
+CREATE TABLE llx_product_attribute
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  ref VARCHAR(255) NOT NULL,
+  label VARCHAR(255) NOT NULL,
+  rang INT DEFAULT 0 NOT NULL,
+  entity INT DEFAULT 1 NOT NULL
+);
+ALTER TABLE llx_product_attribute ADD CONSTRAINT unique_ref UNIQUE (ref);
+CREATE TABLE llx_product_attribute_combination
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  fk_product_parent INT NOT NULL,
+  fk_product_child INT NOT NULL,
+  variation_price FLOAT NOT NULL,
+  variation_price_percentage INT NULL,
+  variation_weight FLOAT NOT NULL,
+  entity INT DEFAULT 1 NOT NULL
+);
+CREATE TABLE llx_product_attribute_combination2val
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  fk_prod_combination INT NOT NULL,
+  fk_prod_attr INT NOT NULL,
+  fk_prod_attr_val INT NOT NULL
+);
+CREATE TABLE llx_product_attribute_value
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  fk_product_attribute INT NOT NULL,
+  ref VARCHAR(255) DEFAULT NULL,
+  value VARCHAR(255) DEFAULT NULL,
+  entity INT DEFAULT 1 NOT NULL
+);
+ALTER TABLE llx_product_attribute_value ADD CONSTRAINT unique_ref UNIQUE (fk_product_attribute,ref);

htdocs/install/mysql/tables/llx_product_attribute.key.sql

@@ -1,5 +1,5 @@
--- ===================================================================
+-- ============================================================================
--- Copyright (C) 2012      Laurent Destailleur  <eldy@users.sourceforge.net>
+-- Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
@@ -14,6 +14,6 @@
 -- You should have received a copy of the GNU General Public License
 -- along with this program. If not, see <http://www.gnu.org/licenses/>.
 --
--- ===================================================================
+-- ============================================================================
 
-ALTER TABLE llx_holiday_events ADD UNIQUE INDEX uk_holiday_name (name, entity);
+ALTER TABLE llx_product_attribute ADD CONSTRAINT unique_ref UNIQUE (ref);

htdocs/install/mysql/tables/llx_product_attribute.sql

@@ -1,5 +1,5 @@
--- ===================================================================
+-- ============================================================================
--- Copyright (C) 2012      Laurent Destailleur  <eldy@users.sourceforge.net>
+-- Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
@@ -14,13 +14,13 @@
 -- You should have received a copy of the GNU General Public License
 -- along with this program. If not, see <http://www.gnu.org/licenses/>.
 --
--- ===================================================================
+-- ============================================================================
 
-CREATE TABLE llx_holiday_events 
+CREATE TABLE llx_product_attribute
 (
-  rowid    integer NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
-  entity   integer DEFAULT 1 NOT NULL,     -- multi company id
+  ref VARCHAR(255) NOT NULL,
-  name     VARCHAR( 255 ) NOT NULL,
+  label VARCHAR(255) NOT NULL,
-  value    TEXT NOT NULL
+  rang INT DEFAULT 0 NOT NULL,
-) 
+  entity INT DEFAULT 1 NOT NULL
-ENGINE=innodb;
+);

htdocs/install/mysql/tables/llx_product_attribute_combination.sql

@@ -0,0 +1,28 @@
+-- ============================================================================
+-- Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+--
+-- ============================================================================
+
+CREATE TABLE llx_product_attribute_combination
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  fk_product_parent INT NOT NULL,
+  fk_product_child INT NOT NULL,
+  variation_price FLOAT NOT NULL,
+  variation_price_percentage INT NULL,
+  variation_weight FLOAT NOT NULL,
+  entity INT DEFAULT 1 NOT NULL
+);

htdocs/install/mysql/tables/llx_product_attribute_combination2val.sql

@@ -0,0 +1,25 @@
+-- ============================================================================
+-- Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+--
+-- ============================================================================
+
+CREATE TABLE llx_product_attribute_combination2val
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  fk_prod_combination INT NOT NULL,
+  fk_prod_attr INT NOT NULL,
+  fk_prod_attr_val INT NOT NULL
+);

htdocs/install/mysql/tables/llx_product_attribute_value.key.sql

@@ -0,0 +1,19 @@
+-- ============================================================================
+-- Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+--
+-- ============================================================================
+
+ALTER TABLE llx_product_attribute_value ADD CONSTRAINT unique_ref UNIQUE (fk_product_attribute,ref);

htdocs/install/mysql/tables/llx_product_attribute_value.sql

@@ -0,0 +1,26 @@
+-- ============================================================================
+-- Copyright (C) 2016      Marcos García         <marcosgdf@gmail.com>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+--
+-- ============================================================================
+
+CREATE TABLE llx_product_attribute_value
+(
+  rowid INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  fk_product_attribute INT NOT NULL,
+  ref VARCHAR(255) DEFAULT NULL,
+  value VARCHAR(255) DEFAULT NULL,
+  entity INT DEFAULT 1 NOT NULL
+);

htdocs/langs/en_US/main.lang

@@ -759,3 +759,5 @@ SearchIntoContracts=Contracts
 SearchIntoCustomerShipments=Customer shipments
 SearchIntoExpenseReports=Expense reports
 SearchIntoLeaves=Leaves
+
+BulkActions=Bulk actions

htdocs/langs/en_US/products.lang

@@ -137,6 +137,7 @@ ConfirmCloneProduct=Are you sure you want to clone product or service <b>%s</b>
 CloneContentProduct=Clone all main informations of product/service
 ClonePricesProduct=Clone main informations and prices
 CloneCompositionProduct=Clone packaged product/service
+CloneCombinationsProduct=Clone product combinations
 ProductIsUsed=This product is used
 NewRefForClone=Ref. of new product/service
 SellingPrices=Selling prices
@@ -254,3 +255,38 @@ SizeUnits=Size unit
 DeleteProductBuyPrice=Delete buying price
 ConfirmDeleteProductBuyPrice=Are you sure you want to delete this buying price?
 
+
+#Attributes
+ProductAttributes=Product attributes
+ProductAttributeName=Attribute %s
+ProductAttribute=Attribute
+ProductAttributeDeleteDialog=Are you sure you want to delete this attribute? All values will be deleted
+ProductAttributeValueDeleteDialog=Are you sure you want to delete the value "%s" with reference "%s" of this attribute?
+ProductCombinationDeleteDialog=Are you sure want to delete the combination of the product "%s"?
+ProductCombinationAlreadyUsed=There was an error while deleting the combination. Please check it is not being used in any object
+ProductCombinations=Combinations
+HideProductCombinations=Hide derived products from combinations in the product selector
+ProductCombination=Combination
+NewProductCombination=New combination
+EditProductCombination=Editing combination
+ProductCombinationGenerator=Combinations generator
+Features=Features
+PriceImpact=Price impact
+WeightImpact=Weight impact
+NewProductAttribute=New attribute
+NewProductAttributeValue=New attribute value
+ErrorCreatingProductAttributeValue=There was an error while creating the attribute value. It could be because there is already an existing value with that reference
+ProductCombinationGeneratorWarning=If you continue, before generating new combinations, all previous ones will be DELETED. Already existing ones will be updated with the new values
+TooMuchCombinationsWarning=Generating lots of combinations may result in high CPU, memory usage and Dolibarr not able to create them. Enabling the option "%s" may help reduce memory usage.
+DoNotRemovePreviousCombinations=Do not remove previous combinations
+UsePercentageVariations=Use percentage variations
+PercentageVariation=Percentage variation
+ErrorDeletingGeneratedProducts=There was an error while trying to delete existing product combinations
+NbProducts=No. of products
+ParentProduct=Parent product
+HideChildProducts=Hide child products
+ConfirmCloneProductCombinations=Would you like to copy all the product combinations to the product with the given reference?
+CloneDestinationReference=Destination product reference
+ErrorCopyProductCombinations=There was an error while copying the product combinations
+ErrorDestinationProductNotFound=Destination product not found
+ErrorProductCombinationNotFound=Product combination not found

htdocs/product/card.php

@@ -6,7 +6,7 @@
  * Copyright (C) 2006		Andre Cianfarani		<acianfa@free.fr>
  * Copyright (C) 2006		Auguria SARL			<info@auguria.org>
  * Copyright (C) 2010-2015	Juanjo Menent			<jmenent@2byte.es>
- * Copyright (C) 2013-2014	Marcos García			<marcosgdf@gmail.com>
+ * Copyright (C) 2013-2016	Marcos García			<marcosgdf@gmail.com>
  * Copyright (C) 2012-2013	Cédric Salvador			<csalvador@gpcsolutions.fr>
  * Copyright (C) 2011-2016	Alexandre Spangaro		<aspangaro.dolibarr@gmail.com>
  * Copyright (C) 2014		Cédric Gross			<c.gross@kreiz-it.fr>
@@ -1574,6 +1574,22 @@ else
 			print dol_print_url($object->url);
             print '</td></tr>';
 
+            //Parent product.
+            if (!empty($conf->attributes->enabled) && $object->isProduct()) {
+
+                $combination = new ProductCombination($db);
+
+                if ($combination->fetchByFkProductChild($object->id) > 0) {
+                    $prodstatic = new Product($db);
+                    $prodstatic->fetch($combination->fk_product_parent);
+
+                    // Parent product
+                    print '<tr><td>'.$langs->trans("ParentProduct").'</td><td colspan="2">';
+                    print $prodstatic->getNomUrl(1);
+                    print '</td></tr>';
+                }
+            }
+
             print '</table>';
             print '</div>';
             print '<div class="fichehalfright"><div class="ficheaddleft">';

htdocs/product/class/product.class.php

@@ -839,6 +839,17 @@ class Product extends CommonObject
 
 				if (! $error)
 				{
+					if ($conf->attributes->enabled) {
+
+						require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+
+						$comb = new ProductCombination($this->db);
+
+						foreach ($comb->fetchAllByFkProductParent($this->id) as $currcomb) {
+							$currcomb->updateProperties($this);
+						}
+					}
+
 					$this->db->commit();
 					return 1;
 				}
@@ -944,6 +955,25 @@ class Product extends CommonObject
     			}
 			}
 
+			if (!$error) {
+
+				require_once DOL_DOCUMENT_ROOT.'/attributes/class/ProductCombination.class.php';
+
+				//If it is a parent product, then we remove the association with child products
+				$prodcomb = new ProductCombination($this->db);
+
+				if ($prodcomb->deleteByFkProductParent($id) < 0) {
+					$error++;
+					$this->errors[] = 'Error deleting combinations';
+				}
+
+				//We also check if it is a child product
+				if (!$error && ($prodcomb->fetchByFkProductChild($id) > 0) && ($prodcomb->delete() < 0)) {
+					$error++;
+					$this->errors[] = 'Error deleting child combination';
+				}
+			}
+
 			// Delete product
 			if (! $error)
 			{

htdocs/product/list.php

@@ -2,7 +2,7 @@
 /* Copyright (C) 2001-2006  Rodolphe Quiedeville    <rodolphe@quiedeville.org>
  * Copyright (C) 2004-2016  Laurent Destailleur     <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2012  Regis Houssin           <regis.houssin@capnetworks.com>
- * Copyright (C) 2012-2013  Marcos García           <marcosgdf@gmail.com>
+ * Copyright (C) 2012-2016  Marcos García           <marcosgdf@gmail.com>
  * Copyright (C) 2013-2016	Juanjo Menent           <jmenent@2byte.es>
  * Copyright (C) 2013-2015  Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
  * Copyright (C) 2013       Jean Heimburger         <jean@tiaris.info>
@@ -50,7 +50,7 @@ $sref=GETPOST("sref");
 $sbarcode=GETPOST("sbarcode");
 $snom=GETPOST("snom");
 $sall=GETPOST("sall");
-$type=GETPOST("type","int");
+$type= (int) GETPOST("type","int");
 $search_sale = GETPOST("search_sale");
 $search_categ = GETPOST("search_categ",'int');
 $tosell = GETPOST("tosell", 'int');
@@ -62,6 +62,13 @@ $search_accountancy_code_sell = GETPOST("search_accountancy_code_sell",'alpha');
 $search_accountancy_code_buy = GETPOST("search_accountancy_code_buy",'alpha');
 $optioncss = GETPOST('optioncss','alpha');
 
+//Show/hide child products. Hidden by default
+if (!$_POST) {
+	$search_hidechildproducts = 'on';
+} else {
+	$search_hidechildproducts = GETPOST('search_hidechildproducts');
+}
+
 $limit = GETPOST("limit")?GETPOST("limit","int"):$conf->liste_limit;
 $sortfield = GETPOST("sortfield",'alpha');
 $sortorder = GETPOST("sortorder",'alpha');
@@ -230,6 +237,9 @@ else
     $sql.= ' p.datec as date_creation, p.tms as date_update,';
     //$sql.= ' pfp.ref_fourn as ref_supplier, ';
     $sql.= ' MIN(pfp.unitprice) as minsellprice';
+	if (!empty($conf->attributes->enabled) && $search_hidechildproducts && ($type === 0)) {
+		$sql .= ', pac.rowid prod_comb_id';
+	}
 	// Add fields from extrafields
     foreach ($extrafields->attribute_label as $key => $val) $sql.=($extrafields->attribute_type[$key] != 'separate' ? ",ef.".$key.' as options_'.$key : '');
 	// Add fields from hooks
@@ -242,6 +252,10 @@ else
    	$sql.= " LEFT JOIN ".MAIN_DB_PREFIX."product_fournisseur_price as pfp ON p.rowid = pfp.fk_product";
 	// multilang
 	if (! empty($conf->global->MAIN_MULTILANGS)) $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."product_lang as pl ON pl.fk_product = p.rowid AND pl.lang = '".$langs->getDefaultLang() ."'";
+	if (!empty($conf->attributes->enabled) && $search_hidechildproducts && ($type === 0)) {
+		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."product_attribute_combination pac ON pac.fk_product_child = p.rowid";
+	}
+
 	$sql.= ' WHERE p.entity IN ('.getEntity('product', 1).')';
 	if ($sall) $sql .= natural_search(array_keys($fieldstosearchall), $sall);
     // if the type is not 1, we show all products (type = 0,2,3)
@@ -264,6 +278,12 @@ else
     if ($search_tobatch != '' && $search_tobatch >= 0)   $sql.= " AND p.tobatch = ".$db->escape($search_tobatch);
     if ($search_accountancy_code_sell)   $sql.= natural_search('p.accountancy_code_sell', $search_accountancy_code_sell);
     if ($search_accountancy_code_sell)   $sql.= natural_search('p.accountancy_code_buy', $search_accountancy_code_buy);
+    // Add where from extra fields
+
+	if (!empty($conf->attributes->enabled) && $search_hidechildproducts && ($type === 0)) {
+		$sql .= " AND pac.rowid IS NULL";
+	}
+
 	// Add where from extra fields
 	foreach ($search_array_options as $key => $val)
 	{
@@ -284,6 +304,9 @@ else
     $sql.= " GROUP BY p.rowid, p.ref, p.label, p.barcode, p.price, p.price_ttc, p.price_base_type,";
     $sql.= " p.fk_product_type, p.duration, p.tosell, p.tobuy, p.seuil_stock_alerte, p.desiredstock,";
     $sql.= ' p.datec, p.tms, p.entity, p.tobatch, p.accountancy_code_sell, p.accountancy_code_buy';
+	if (!empty($conf->attributes->enabled) && $search_hidechildproducts && ($type === 0)) {
+		$sql .= ', pac.rowid';
+	}
 	// Add fields from extrafields
     foreach ($extrafields->attribute_label as $key => $val) $sql.=($extrafields->attribute_type[$key] != 'separate' ? ",ef.".$key : '');
 	// Add fields from hooks
@@ -415,6 +438,15 @@ else
     			$moreforfilter.=$htmlother->select_categories(Categorie::TYPE_PRODUCT,$search_categ,'search_categ',1);
     		 	$moreforfilter.='</div>';
     		}
+
+			//Show/hide child products. Hidden by default
+			if (!empty($conf->attributes->enabled) && $type === 0) {
+				$moreforfilter.='<div class="divsearchfield">';
+				$moreforfilter.= '<input type="checkbox" id="search_hidechildproducts" name="search_hidechildproducts" value="on"'.($search_hidechildproducts ? 'checked="checked"' : '').'>';
+				$moreforfilter.= ' <label for="search_hidechildproducts">'.$langs->trans('HideChildProducts').'</label>';
+				$moreforfilter.='</div>';
+			}
+
     	 	if ($moreforfilter)
     		{
         		print '<div class="liste_titre liste_titre_bydiv centpercent">';