画廊添加

backend/library/include/adminive/view.hpp

@@ -12,10 +12,12 @@ namespace adminive {
 enum class View_Node_Kind {
     all_fields,
     field,
+    frontend,
     vertical,
     horizontal,
     flow,
     grid,
+    list,
     group,
     card,
     tabs,
@@ -107,6 +109,10 @@ View_Node make_view_container(View_Node_Kind kind, Children&&... children) {
     return result;
 }
 template <class... Children>
+View_Node frontend(Children&&... children) {
+    return make_view_container(View_Node_Kind::frontend, std::forward<Children>(children)...);
+}
+template <class... Children>
 View_Node vertical(Children&&... children) {
     return make_view_container(View_Node_Kind::vertical, std::forward<Children>(children)...);
 }
@@ -125,6 +131,10 @@ View_Node grid(std::size_t columns, Children&&... children) {
     return result;
 }
 template <class... Children>
+View_Node list(Children&&... children) {
+    return make_view_container(View_Node_Kind::list, std::forward<Children>(children)...);
+}
+template <class... Children>
 View_Node group(std::string title, Children&&... children) {
     auto result = make_view_container(View_Node_Kind::group, std::forward<Children>(children)...);
     result.title = std::move(title);
@@ -380,7 +390,7 @@ bool descriptor_has_field(const Descriptor& descriptor, std::string_view name) {
     return found;
 }
 template <Described_Type T>
-void validate_view_node(const View_Node& node) {
+void validate_view_node_impl(const View_Node& node, bool tab_allowed) {
     const auto descriptor = describe<T>();
     if(node.kind == View_Node_Kind::field && !descriptor_has_field(descriptor, node.field)) {
         throw std::invalid_argument("view field does not exist: " + node.field);
@@ -388,6 +398,9 @@ void validate_view_node(const View_Node& node) {
     if(node.kind == View_Node_Kind::grid && node.columns == 0) {
         throw std::invalid_argument("grid view requires at least one column");
     }
+    if(node.kind == View_Node_Kind::tab && !tab_allowed) {
+        throw std::invalid_argument("tab view can only be used inside tabs");
+    }
     if(node.kind == View_Node_Kind::tabs) {
         for(const auto& child : node.children) {
             if(child.kind != View_Node_Kind::tab) {
@@ -396,10 +409,14 @@ void validate_view_node(const View_Node& node) {
         }
     }
     for(const auto& child : node.children) {
-        validate_view_node<T>(child);
+        validate_view_node_impl<T>(child, node.kind == View_Node_Kind::tabs);
     }
 }
 template <Described_Type T>
+void validate_view_node(const View_Node& node) {
+    validate_view_node_impl<T>(node, false);
+}
+template <Described_Type T>
 void validate_form_view(const Form_View& view) {
     if(view.name.empty()) {
         throw std::invalid_argument("form view name must not be empty");