refactor(new_editor): streamline internal layout and command routing

new_editor/app/Features/Project/ProjectPanelCommands.cpp

@@ -0,0 +1,104 @@
+#include "ProjectPanelSupport.h"
+
+#include <utility>
+
+namespace XCEngine::UI::Editor::App {
+
+namespace {
+
+UIEditorHostCommandEvaluationResult BuildEvaluationResult(
+    bool executable,
+    std::string message) {
+    UIEditorHostCommandEvaluationResult result = {};
+    result.executable = executable;
+    result.message = std::move(message);
+    return result;
+}
+
+UIEditorHostCommandDispatchResult BuildDispatchResult(
+    bool commandExecuted,
+    std::string message) {
+    UIEditorHostCommandDispatchResult result = {};
+    result.commandExecuted = commandExecuted;
+    result.message = std::move(message);
+    return result;
+}
+
+} // namespace
+
+UIEditorHostCommandEvaluationResult ProjectPanel::EvaluateEditCommand(
+    std::string_view commandId) const {
+    const std::optional<EditCommandTarget> target = ResolveEditCommandTarget();
+    if (!target.has_value()) {
+        return BuildEvaluationResult(false, "Select an asset or folder in Project first.");
+    }
+
+    if (target->assetsRoot &&
+        (commandId == "edit.rename" || commandId == "edit.delete")) {
+        return BuildEvaluationResult(false, "The Assets root cannot be renamed or deleted.");
+    }
+
+    if (commandId == "edit.rename") {
+        return BuildEvaluationResult(
+            true,
+            "Rename project item '" + target->displayName + "'.");
+    }
+
+    if (commandId == "edit.delete") {
+        return BuildEvaluationResult(
+            false,
+            "Project delete is blocked until asset metadata ownership is wired.");
+    }
+
+    if (commandId == "edit.duplicate") {
+        return BuildEvaluationResult(
+            false,
+            "Project duplicate is blocked until asset metadata rewrite is wired.");
+    }
+
+    if (commandId == "edit.cut" ||
+        commandId == "edit.copy" ||
+        commandId == "edit.paste") {
+        return BuildEvaluationResult(
+            false,
+            "Project clipboard has no bound asset transfer owner in the current shell.");
+    }
+
+    return BuildEvaluationResult(false, "Project does not expose this edit command.");
+}
+
+UIEditorHostCommandDispatchResult ProjectPanel::DispatchEditCommand(
+    std::string_view commandId) {
+    const UIEditorHostCommandEvaluationResult evaluation = EvaluateEditCommand(commandId);
+    if (!evaluation.executable) {
+        return BuildDispatchResult(false, evaluation.message);
+    }
+
+    if (commandId == "edit.rename") {
+        if (m_assetSelection.HasSelection()) {
+            if (const AssetEntry* asset = FindAssetEntry(m_assetSelection.GetSelectedId());
+                asset != nullptr) {
+                EmitEvent(EventKind::RenameRequested, EventSource::None, asset);
+                return BuildDispatchResult(
+                    true,
+                    "Project rename requested for '" + asset->displayName + "'.");
+            }
+        }
+
+        if (m_folderSelection.HasSelection()) {
+            if (const FolderEntry* folder = FindFolderEntry(m_folderSelection.GetSelectedId());
+                folder != nullptr) {
+                EmitEvent(EventKind::RenameRequested, EventSource::None, folder);
+                return BuildDispatchResult(
+                    true,
+                    "Project rename requested for '" + folder->label + "'.");
+            }
+        }
+
+        return BuildDispatchResult(false, "Select an asset or folder in Project first.");
+    }
+
+    return BuildDispatchResult(false, "Project does not expose this edit command.");
+}
+
+} // namespace XCEngine::UI::Editor::App