1 files changed, 152 insertions, 0 deletions
diff --git a/ui/profile_manager_ui.py b/ui/profile_manager_ui.py
new file mode 100644
index 0000000..8966f8f
--- /dev/null
+++ b/ui/profile_manager_ui.py
@@ -0,0 +1,152 @@
+"""
+ui/profile_manager_ui.py
+
+Profile menu button (📁) in the top-right toolbar.
+Handles New / Load / Save / Save As via file dialogs.
+Thin UI layer — all serialisation is in core/profile.py.
+"""
+
+import os
+from PyQt6.QtWidgets import (
+    QMenu, QPushButton, QFileDialog, QInputDialog,
+    QMessageBox, QApplication,
+)
+from PyQt6.QtCore import QPoint
+from PyQt6.QtGui  import QAction
+
+from core.profile import Profile, ProfileManager
+
+
+PROFILE_EXT    = ".labdaq"
+PROFILE_FILTER = f"LabDAQ Profile (*{PROFILE_EXT});;All files (*)"
+
+
+class ProfileButton(QPushButton):
+    """
+    A '📁  File' button that shows New / Load / Save / Save As.
+    Placed in the toolbar top-right.
+
+    Caller provides callbacks:
+        on_new()           — reset to blank state
+        get_profile()      — return a Profile representing current state
+        apply_profile(p)   — restore state from a Profile
+    """
+
+    def __init__(self, on_new, get_profile, apply_profile, parent=None):
+        super().__init__("📁  File", parent)
+        self.setObjectName("toolbarSectionBtn")
+        self._on_new       = on_new
+        self._get_profile  = get_profile
+        self._apply_profile = apply_profile
+        self._current_path: str = ""
+        self.clicked.connect(self._show_menu)
+
+    # ── Menu ──────────────────────────────────────────────────────────────────
+
+    def _show_menu(self):
+        menu = QMenu(self)
+        menu.setObjectName("profileMenu")
+
+        a_new     = menu.addAction("📄  New Profile")
+        menu.addSeparator()
+        a_open    = menu.addAction("📂  Load Profile…")
+        menu.addSeparator()
+        a_save    = menu.addAction("💾  Save")
+        a_save_as = menu.addAction("💾  Save As…")
+
+        a_save.setEnabled(bool(self._current_path))
+
+        a_new.triggered.connect(self._do_new)
+        a_open.triggered.connect(self._do_load)
+        a_save.triggered.connect(self._do_save)
+        a_save_as.triggered.connect(self._do_save_as)
+
+        # Show below the button
+        pos = self.mapToGlobal(QPoint(0, self.height()))
+        menu.exec(pos)
+
+    # ── Actions ───────────────────────────────────────────────────────────────
+
+    def _do_new(self):
+        reply = QMessageBox.question(
+            self, "New Profile",
+            "Discard current configuration and start a blank profile?",
+            QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
+        )
+        if reply == QMessageBox.StandardButton.Yes:
+            self._current_path = ""
+            self._on_new()
+            self._update_title()
+
+    def _do_load(self):
+        path, _ = QFileDialog.getOpenFileName(
+            self, "Load Profile", self._default_dir(),
+            PROFILE_FILTER,
+        )
+        if not path:
+            return
+        try:
+            profile = Profile.load(path)
+            self._apply_profile(profile)
+            self._current_path = path
+            self._update_title(profile.name)
+        except Exception as e:
+            QMessageBox.critical(self, "Load Failed", str(e))
+
+    def _do_save(self):
+        if not self._current_path:
+            self._do_save_as()
+            return
+        self._save_to(self._current_path)
+
+    def _do_save_as(self):
+        # Ask for profile name
+        name, ok = QInputDialog.getText(
+            self, "Profile Name", "Profile name:",
+            text=os.path.splitext(os.path.basename(self._current_path))[0]
+                if self._current_path else "My Profile",
+        )
+        if not ok or not name.strip():
+            return
+        name = name.strip()
+
+        path, _ = QFileDialog.getSaveFileName(
+            self, "Save Profile As",
+            os.path.join(self._default_dir(), name + PROFILE_EXT),
+            PROFILE_FILTER,
+        )
+        if not path:
+            return
+        if not path.endswith(PROFILE_EXT):
+            path += PROFILE_EXT
+        self._save_to(path, name)
+
+    def _save_to(self, path: str, name: str = ""):
+        try:
+            profile = self._get_profile(name or os.path.splitext(
+                os.path.basename(path))[0])
+            profile.save(path)
+            self._current_path = path
+            self._update_title(profile.name)
+        except Exception as e:
+            QMessageBox.critical(self, "Save Failed", str(e))
+
+    # ── Helpers ───────────────────────────────────────────────────────────────
+
+    def _default_dir(self) -> str:
+        d = os.path.join(os.path.expanduser("~"), "labdaq_profiles")
+        os.makedirs(d, exist_ok=True)
+        return d
+
+    def _update_title(self, name: str = ""):
+        app = QApplication.instance()
+        if app and hasattr(app, "topLevelWidgets"):
+            for w in app.topLevelWidgets():
+                if hasattr(w, "setWindowTitle") and "LabDAQ" in (w.windowTitle() or ""):
+                    title = "LabDAQ"
+                    if name:
+                        title += f"  —  {name}"
+                    if self._current_path:
+                        title += f"  [{os.path.basename(self._current_path)}]"
+                    w.setWindowTitle(title)
+                    break