Refactor XCUI editor module layout

new_editor/include/XCEditor/Shell/UIEditorPanelRegistry.h

@@ -0,0 +1,54 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <string_view>
+#include <vector>
+
+namespace XCEngine::UI::Editor {
+
+enum class UIEditorPanelPresentationKind : std::uint8_t {
+    Placeholder = 0,
+    ViewportShell,
+    HostedContent
+};
+
+struct UIEditorPanelDescriptor {
+    std::string panelId = {};
+    std::string defaultTitle = {};
+    UIEditorPanelPresentationKind presentationKind = UIEditorPanelPresentationKind::Placeholder;
+    bool placeholder = true;
+    bool canHide = true;
+    bool canClose = true;
+};
+
+struct UIEditorPanelRegistry {
+    std::vector<UIEditorPanelDescriptor> panels = {};
+};
+
+enum class UIEditorPanelRegistryValidationCode : std::uint8_t {
+    None = 0,
+    EmptyPanelId,
+    EmptyDefaultTitle,
+    DuplicatePanelId
+};
+
+struct UIEditorPanelRegistryValidationResult {
+    UIEditorPanelRegistryValidationCode code = UIEditorPanelRegistryValidationCode::None;
+    std::string message = {};
+
+    [[nodiscard]] bool IsValid() const {
+        return code == UIEditorPanelRegistryValidationCode::None;
+    }
+};
+
+UIEditorPanelRegistry BuildDefaultEditorShellPanelRegistry();
+
+const UIEditorPanelDescriptor* FindUIEditorPanelDescriptor(
+    const UIEditorPanelRegistry& registry,
+    std::string_view panelId);
+
+UIEditorPanelRegistryValidationResult ValidateUIEditorPanelRegistry(
+    const UIEditorPanelRegistry& registry);
+
+} // namespace XCEngine::UI::Editor