On peut maintenant trier les liens !

ajax/update-links-order.php

@@ -0,0 +1,36 @@
+<? 
+$label		= $_POST['label'];
+$order		= $_POST['order'];
+$itemMoved	= $_POST['itemMoved'];
+
+$orderArray = explode(',', $order); 
+$itemIndex = 0;
+
+foreach($orderArray as $index=>$value){
+	if($value == $itemMoved)
+		$itemIndex = (int)$index;
+}
+
+$itemAfter = '';
+if(isset($orderArray[$itemIndex+1]))
+	$itemAfter = $orderArray[$itemIndex+1];
+
+$doc = new DOMDocument;
+$doc->load('../db/links.xml');
+
+$xpath = new DOMXpath($doc);
+
+// Buffering and deleting moved element
+foreach($xpath->query('label/link[title = "'.$itemMoved.'"]') as $node) {
+	$buffer = $node;
+	$node->parentNode->removeChild($node);
+}
+
+if($itemAfter != ''){
+	$searchLabel = $xpath->query('label[@id="'.$label.'"]/link[title = "'.$itemAfter.'"]')->item(0);
+	$searchLabel->parentNode->insertBefore($buffer, $searchLabel);
+}else{
+	$searchLabel = $xpath->query('label[@id="'.$label.'"]');
+	$searchLabel->item(0)->appendChild($buffer);
+}
+$doc->save('../db/links.xml');