N°8641 - Dashboard editor front-end first commit for Form SDK integration.

* No dashlet edition
* Dashboard are not persisted
* Unable to load a dashboard from an endpoint (refresh)
* Grid library need proper npm integration

sources/Service/Dashboard/DashletService.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Combodo\iTop\Service\Dashboard;
+
+use ReflectionClass;
+
+class DashletService {
+	public static function GetAvailableDashlets(): array {
+		$aDashlets = [];
+
+		foreach (get_declared_classes() as $sDashletClass) {
+			// DashletUnknown is not among the selection as it is just a fallback for dashlets that can't be instantiated.
+			if (is_subclass_of($sDashletClass, 'Dashlet') && !in_array($sDashletClass, ['DashletUnknown', 'DashletProxy'])) {
+				$oReflection = new ReflectionClass($sDashletClass);
+				if (!$oReflection->isAbstract()) {
+					$aCallSpec = [$sDashletClass, 'IsVisible'];
+					$bVisible = call_user_func($aCallSpec);
+					if ($bVisible) {
+						$aCallSpec = [$sDashletClass, 'GetInfo'];
+						$aInfo = call_user_func($aCallSpec);
+						$aDashlets[$sDashletClass] = $aInfo;
+					}
+				}
+			}
+		}
+
+		return $aDashlets;
+	}
+}