feat(admin-view): add admin view to views

bec_widgets/applications/views/admin_view/admin_view.py

@@ -0,0 +1,42 @@
+"""Module for Admin View."""
+
+from qtpy.QtWidgets import QWidget
+
+from bec_widgets.applications.views.admin_view.admin_widget import AdminWidget
+from bec_widgets.applications.views.view import ViewBase
+from bec_widgets.utils.error_popups import SafeSlot
+
+
+class AdminView(ViewBase):
+    """
+    A view for administrators to change the current active experiment, manage messaging
+    services, and more tasks reserved for users with admin privileges.
+    """
+
+    def __init__(
+        self,
+        parent: QWidget | None = None,
+        content: QWidget | None = None,
+        *,
+        id: str | None = None,
+        title: str | None = None,
+    ):
+        super().__init__(parent=parent, content=content, id=id, title=title)
+        self.admin_widget = AdminWidget(parent=self)
+        self.set_content(self.admin_widget)
+
+    @SafeSlot()
+    def on_enter(self) -> None:
+        """Called after the view becomes current/visible.
+
+        Default implementation does nothing. Override in subclasses.
+        """
+        self.admin_widget.on_enter()
+
+    @SafeSlot()
+    def on_exit(self) -> None:
+        """Called before the view is hidden.
+
+        Default implementation does nothing. Override in subclasses.
+        """
+        self.admin_widget.on_exit()

bec_widgets/applications/views/admin_view/admin_widget.py

@@ -0,0 +1,40 @@
+"""Module to define a widget for the admin view."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from bec_lib.endpoints import MessageEndpoints
+from bec_lib.messages import DeploymentInfoMessage
+from qtpy.QtWidgets import QStackedLayout, QWidget
+
+from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.error_popups import SafeSlot
+
+
+class AdminWidget(BECWidget, QWidget):
+    """Widget for admin view."""
+
+    RPC = False
+
+    def __init__(self, parent=None, client=None):
+        super().__init__(parent=parent, client=client)
+        self._current_deployment_info: DeploymentInfoMessage | None = None
+
+        self.stacked_layout = QStackedLayout()
+        self.stacked_layout.setContentsMargins(0, 0, 0, 0)
+        self.stacked_layout.setSpacing(0)
+        self.stacked_layout.setStackingMode(QStackedLayout.StackingMode.StackAll)
+        self.setLayout(self.stacked_layout)
+
+        self.bec_dispatcher.connect_slot(
+            slot=self._update_deployment_info,
+            endpoint=MessageEndpoints.deployment_info(),
+            from_start=True,
+        )
+
+    @SafeSlot(dict, dict)
+    def _update_deployment_info(self, msg: dict, metadata: dict) -> None:
+        """Fetch current deployment info from the server."""
+        deployment = DeploymentInfoMessage.model_validate(msg)
+        self._current_deployment_info = deployment