MINOR Re-added LeftAndMain->EditForm() as a complement to getEditForm…

…() - it is necessary for form submissions as well as for template getters

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@92712 467b73ca-7a2a-4603-9d3b-597d59a354a9

code/LeftAndMain.php

@@ -820,6 +820,18 @@ public function deleteitems() {
 		return FormResponse::respond();
 	}
 
+	/**
+	 * Uses {@link getEditForm()} to retrieve an edit form
+	 * based on the submitted data. Used for form submissions,
+	 * not for template rendering.
+	 * 
+	 * @param HTTPRequest $request
+	 * @return Form
+	 */
+	function EditForm($request = null) {
+		return $this->getEditForm($request ? $request->requestVar('ID') : null);
+	}
+
 	/**
 	 * Gets the edit form of a specific record. Will usually construct itself
 	 * from {@link DataObject->getCMSFields()} for the specific managed subclass