[studio] Add ability to move directories

src/olympic/studio/modlib/include/studio/dragdrop.hpp

@@ -13,10 +13,12 @@ struct FileRef {
 	static constexpr auto TypeName = "net.drinkingtea.studio.FileRef";
 	static constexpr auto TypeVersion = 1;
 	ox::String path;
+	bool isDir{};
 };
 
 OX_MODEL_BEGIN(FileRef)
 	OX_MODEL_FIELD(path)
+	OX_MODEL_FIELD(isDir)
 OX_MODEL_END()
 
 }

src/olympic/studio/modlib/include/studio/filetreemodel.hpp

@@ -47,6 +47,8 @@ class FileExplorer: public ox::SignalHandler {
 
 		virtual void fileMoved(ox::StringViewCR src, ox::StringViewCR dst) const noexcept;
 
+		virtual void dirMoved(ox::StringViewCR src, ox::StringViewCR dst) const noexcept;
+
 		void drawFileContextMenu(ox::CStringViewCR path) const noexcept;
 
 		void drawDirContextMenu(ox::CStringViewCR path) const noexcept;

src/olympic/studio/modlib/include/studio/project.hpp

@@ -94,6 +94,8 @@ class Project: public ox::SignalHandler {
 
 		ox::Error moveItem(ox::StringViewCR src, ox::StringViewCR dest) noexcept;
 
+		ox::Error moveDir(ox::StringViewCR src, ox::StringViewCR dest) noexcept;
+
 		ox::Error deleteItem(ox::StringViewCR path) noexcept;
 
 		[[nodiscard]]

src/olympic/studio/modlib/src/filetreemodel.cpp

@@ -43,6 +43,8 @@ void FileExplorer::fileDeleted(ox::StringViewCR) const noexcept {}
 
 void FileExplorer::fileMoved(ox::StringViewCR, ox::StringViewCR) const noexcept {}
 
+void FileExplorer::dirMoved(ox::StringViewCR, ox::StringViewCR) const noexcept {}
+
 void FileExplorer::drawFileContextMenu(ox::CStringViewCR path) const noexcept {
 	ig::IDStackItem const idStackItem{path};
 	fileContextMenu(path);
@@ -93,11 +95,21 @@ void FileTreeModel::draw(turbine::Context &tctx) const noexcept {
 		}
 		ig::IDStackItem const idStackItem{m_name};
 		m_explorer.drawDirContextMenu(m_fullPath);
+		if (m_explorer.fileDraggable()) {
+			std::ignore = ig::dragDropSource([this] {
+				ImGui::Text("%s", m_name.c_str());
+				return ig::setDragDropPayload("FileRef", FileRef{ox::String{m_fullPath}, true});
+			});
+		}
 		if (ig::DragDropTarget const dragDropTarget; dragDropTarget) {
 			auto const [ref, err] = ig::getDragDropPayload<FileRef>("FileRef");
 			if (!err) {
 				auto const name = substr(ref.path, find(ref.path.rbegin(), ref.path.rend(), '/').offset() + 1);
-				m_explorer.fileMoved(ref.path, sfmt("{}/{}", m_fullPath, name));
+				if (ref.isDir) {
+					m_explorer.dirMoved(ref.path, sfmt("{}/{}", m_fullPath, name));
+				} else {
+					m_explorer.fileMoved(ref.path, sfmt("{}/{}", m_fullPath, name));
+				}
 			}
 		}
 		if (nodeOpen) {

src/olympic/studio/modlib/src/project.cpp

@@ -26,6 +26,26 @@ static void generateTypes(ox::TypeStore &ts) noexcept {
 	}
 }
 
+static ox::Result<ox::Vector<ox::String>> listAllRecursive(ox::FileSystem &fs, ox::StringViewCR path) {
+	// there really isn't much recourse if this function fails, just log it and move on
+	auto [out, outErr] = fs.ls(path);
+	oxLogError(outErr);
+	for (auto const &p : out) {
+		auto const [stat, statErr] = fs.stat(path);
+		if (statErr) {
+			oxLogError(statErr);
+			continue;
+		}
+		if (stat.fileType == ox::FileType::Directory) {
+			OX_REQUIRE_M(l, listAllRecursive(fs, sfmt("{}/{}", path, p)));
+			for (auto &c : l) {
+				out.emplace_back(std::move(c));
+			}
+		}
+	}
+	return std::move(out);
+}
+
 
 Project::Project(keel::Context &ctx, ox::String path, ox::StringViewCR projectDataDir):
 	m_kctx(ctx),
@@ -78,6 +98,21 @@ ox::Error Project::moveItem(ox::StringViewCR src, ox::StringViewCR dest) noexcep
 	return {};
 }
 
+ox::Error Project::moveDir(ox::StringViewCR src, ox::StringViewCR dest) noexcept {
+	OX_REQUIRE(files, listAllRecursive(m_fs, src));
+	OX_RETURN_ERROR(m_fs.move(src, dest));
+	fileMoved.emit(src, dest, ox::UUID{});
+	for (auto const &op : files) {
+		auto const name =
+			substr(op, ox::find(op.rbegin(), op.rend(), '/').offset() + 1);
+		auto const np = sfmt("{}/{}", dest, name);
+		OX_RETURN_ERROR(keel::updatePath(m_kctx, op, np));
+		OX_REQUIRE(uuid, keel::pathToUuid(m_kctx, dest));
+		fileMoved.emit(src, dest, uuid);
+	}
+	return {};
+}
+
 ox::Error Project::deleteItem(ox::StringViewCR path) noexcept {
 	OX_REQUIRE(stat, m_fs.stat(path));
 	if (stat.fileType == ox::FileType::Directory) {