feat: add available devices widget

bec_widgets/examples/device_manager_view/device_manager_view.py

@@ -18,6 +18,9 @@ from qtpy.QtWidgets import (
 from bec_widgets import BECWidget
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.widgets.containers.advanced_dock_area.advanced_dock_area import AdvancedDockArea
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.available_device_resources import (
+    AvailableDeviceResources,
+)
 from bec_widgets.widgets.control.device_manager.components.device_table_view import DeviceTableView
 from bec_widgets.widgets.control.device_manager.components.dm_config_view import DMConfigView
 from bec_widgets.widgets.control.device_manager.components.dm_ophyd_test import (
@@ -76,7 +79,7 @@ class DeviceManagerView(BECWidget, QWidget):
         self._root_layout.addWidget(self.dock_manager)
 
         # Initialize the widgets
-        self.explorer = IDEExplorer(self)  # TODO will be replaced by explorer widget
+        self.available_devices = AvailableDeviceResources(self)
         self.device_table_view = DeviceTableView(self)
         # Placeholder
         self.dm_config_view = DMConfigView(self)
@@ -88,8 +91,8 @@ class DeviceManagerView(BECWidget, QWidget):
         self.ophyd_test_dock.setWidget(self.ophyd_test)
 
         # Create the dock widgets
-        self.explorer_dock = QtAds.CDockWidget("Explorer", self)
-        self.explorer_dock.setWidget(self.explorer)
+        self.available_devices_dock = QtAds.CDockWidget("Explorer", self)
+        self.available_devices_dock.setWidget(self.available_devices)
 
         self.device_table_view_dock = QtAds.CDockWidget("Device Table", self)
         self.device_table_view_dock.setWidget(self.device_table_view)
@@ -101,7 +104,9 @@ class DeviceManagerView(BECWidget, QWidget):
         self.dm_config_view_dock.setWidget(self.dm_config_view)
 
         # Add the dock widgets to the dock manager
-        self.dock_manager.addDockWidget(QtAds.DockWidgetArea.LeftDockWidgetArea, self.explorer_dock)
+        self.dock_manager.addDockWidget(
+            QtAds.DockWidgetArea.LeftDockWidgetArea, self.available_devices_dock
+        )
         monaco_yaml_area = self.dock_manager.addDockWidget(
             QtAds.DockWidgetArea.RightDockWidgetArea, self.dm_config_view_dock
         )
@@ -126,6 +131,9 @@ class DeviceManagerView(BECWidget, QWidget):
 
         # Connect slots
         self.device_table_view.selected_device.connect(self.dm_config_view.on_select_config)
+        self.device_table_view.model.devices_reset.connect(
+            self.available_devices.update_devices_state
+        )
 
     ####### Default view has to be done with setting up splitters ########
     def set_default_view(self, horizontal_weights: list, vertical_weights: list):

bec_widgets/utils/expandable_frame.py

@@ -32,6 +32,7 @@ class ExpandableGroupFrame(QFrame):
         super().__init__(parent=parent)
         self._expanded = expanded
 
+        self._title_text = f"<b>{title}</b>"
         self.setFrameStyle(QFrame.Shape.StyledPanel | QFrame.Shadow.Plain)
         self.setSizePolicy(QSizePolicy.Policy.Minimum, QSizePolicy.Policy.Minimum)
         self._layout = QVBoxLayout()
@@ -50,21 +51,27 @@ class ExpandableGroupFrame(QFrame):
     def _create_title_layout(self, title: str, icon: str):
         self._title_layout = QHBoxLayout()
         self._layout.addLayout(self._title_layout)
+        self._internal_title_layout = QHBoxLayout()
+        self._title_layout.addLayout(self._internal_title_layout)
 
-        self._title = ClickableLabel(f"<b>{title}</b>")
+        self._title = ClickableLabel()
+        self._set_title_text(self._title_text)
         self._title_icon = ClickableLabel()
-        self._title_layout.addWidget(self._title_icon)
-        self._title_layout.addWidget(self._title)
+        self._internal_title_layout.addWidget(self._title_icon)
+        self._internal_title_layout.addWidget(self._title)
         self.icon_name = icon
         self._title.clicked.connect(self.switch_expanded_state)
         self._title_icon.clicked.connect(self.switch_expanded_state)
 
-        self._title_layout.addStretch(1)
+        self._internal_title_layout.addStretch(1)
 
         self._expansion_button = QToolButton()
         self._update_expansion_icon()
         self._title_layout.addWidget(self._expansion_button, stretch=1)
 
+    def get_title_layout(self) -> QHBoxLayout:
+        return self._internal_title_layout
+
     def set_layout(self, layout: QLayout) -> None:
         self._contents.setLayout(layout)
         self._contents.layout().setContentsMargins(0, 0, 0, 0)  # type: ignore
@@ -113,6 +120,18 @@ class ExpandableGroupFrame(QFrame):
         else:
             self._title_icon.setVisible(False)
 
+    @SafeProperty(str)
+    def title_text(self):  # type: ignore
+        return self._title_text
+
+    @title_text.setter
+    def title_text(self, title_text: str):
+        self._title_text = title_text
+        self._set_title_text(self._title_text)
+
+    def _set_title_text(self, title_text: str):
+        self._title.setText(title_text)
+
 
 # Application example
 if __name__ == "__main__":  # pragma: no cover

bec_widgets/utils/list_of_expandable_frames.py

@@ -1,11 +1,15 @@
+import re
 from functools import partial
+from re import Pattern
 from typing import Generic, Iterable, NamedTuple, TypeVar
 
 from bec_lib.logger import bec_logger
+from more_itertools import consume
 from PySide6.QtWidgets import QListWidgetItem, QWidget
 from qtpy.QtCore import QSize
 from qtpy.QtWidgets import QListWidget
 
+from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.expandable_frame import ExpandableGroupFrame
 
 logger = bec_logger.logger
@@ -54,29 +58,61 @@ class ListOfExpandableFrames(QListWidget, Generic[_EF]):
 
         item_widget.expansion_state_changed.connect(partial(_updatesize, item, item_widget))
         item_widget.imminent_deletion.connect(partial(_remove_item, item))
-
         item_widget.broadcast_size_hint.connect(item.setSizeHint)
-        item.setSizeHint(item_widget.sizeHint())
 
         self.setItemWidget(item, item_widget)
         self.addItem(item)
         self._item_dict[id] = self.item_tuple(item, item_widget)
 
+        item.setSizeHint(item_widget.sizeHint())
         return item_widget
 
+    def item_widget_pairs(self):
+        return self._item_dict.values()
+
+    def widgets(self):
+        return (i.widget for i in self._item_dict.values())
+
     def get_item_widget(self, id: str):
         if (item := self._item_dict.get(id)) is None:
             return None
         return item
 
+    def set_hidden_pattern(self, pattern: Pattern):
+        self.hide_all()
+        self._set_hidden(filter(pattern.search, self._item_dict.keys()), False)
+
     def set_hidden(self, ids: Iterable[str]):
+        self._set_hidden(ids, True)
+
+    def _set_hidden(self, ids: Iterable[str], hidden: bool):
         for id in ids:
             if (_item := self._item_dict.get(id)) is not None:
-                _item.widget.setHidden(True)
+                _item.item.setHidden(hidden)
+                _item.widget.setHidden(hidden)
             else:
                 logger.warning(
                     f"List {self.__qualname__} does not have an item with ID {id} to hide!"
                 )
+        self.sortItems()
+
+    def hide_all(self):
+        self.set_hidden_state_on_all(True)
 
     def unhide_all(self):
-        map(lambda i: i.widget.setHidden(False), self._item_dict.values())
+        self.set_hidden_state_on_all(False)
+
+    def set_hidden_state_on_all(self, hidden: bool):
+        for _item in self._item_dict.values():
+            _item.item.setHidden(hidden)
+            _item.widget.setHidden(hidden)
+        self.sortItems()
+
+    @SafeSlot(str)
+    def update_filter(self, value: str):
+        if value == "":
+            return self.unhide_all()
+        try:
+            self.set_hidden_pattern(re.compile(value, re.IGNORECASE))
+        except Exception:
+            self.unhide_all()

bec_widgets/widgets/control/device_manager/components/available_device_resources/__init__.py

@@ -0,0 +1,3 @@
+from .available_device_resources import AvailableDeviceResources
+
+__all__ = ["AvailableDeviceResources"]

bec_widgets/widgets/control/device_manager/components/available_device_resources/available_device_resources.py

@@ -0,0 +1,79 @@
+from random import randint
+from typing import Any, Callable, Generator, Iterable, TypeVar
+
+from qtpy.QtWidgets import QWidget
+
+from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.available_device_resources_ui import (
+    Ui_availableDeviceResources,
+)
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.device_resource_backend import (
+    HashableDevice,
+    get_backend,
+)
+
+_T = TypeVar("_T")
+_RT = TypeVar("_RT")
+
+
+def _yield_only_passing(fn: Callable[[_T], _RT], vals: Iterable[_T]) -> Generator[_RT, Any, None]:
+    for v in vals:
+        try:
+            yield fn(v)
+        except BaseException:
+            pass
+
+
+class AvailableDeviceResources(BECWidget, QWidget, Ui_availableDeviceResources):
+    def __init__(self, parent=None, **kwargs):
+        super().__init__(parent=parent, **kwargs)
+        self.setupUi(self)
+        self._backend = get_backend()
+        self.refresh_full_list()
+        self.search_box.textChanged.connect(self.tag_groups_list.update_filter)
+
+    def refresh_full_list(self):
+        self.tag_groups_list.clear()
+        for tag_group, devices in self._backend.tag_groups.items():
+            self._add_tag_group(tag_group, devices)
+        self._add_tag_group("Untagged devices", self._backend.untagged_devices)
+
+    def _add_tag_group(self, tag_group: str, devices: set[HashableDevice]):
+        self.tag_groups_list.add_item(
+            tag_group, self.tag_groups_list, tag_group, devices, expanded=False
+        )
+
+    def _reset_devices_state(self):
+        for tag_group in self.tag_groups_list.widgets():
+            tag_group.reset_devices_state()
+
+    def set_devices_state(self, devices: Iterable[HashableDevice], included: bool):
+        for device in devices:
+            for tag_group in self.tag_groups_list.widgets():
+                tag_group.set_item_state(hash(device), included)
+
+    def resizeEvent(self, event):
+        super().resizeEvent(event)
+        for list_item, tag_group_widget in self.tag_groups_list.item_widget_pairs():
+            list_item.setSizeHint(tag_group_widget.sizeHint())
+
+    @SafeSlot(list)
+    def update_devices_state(self, config_list: list[dict[str, Any]]):
+        self.set_devices_state(
+            _yield_only_passing(HashableDevice.model_validate, config_list), True
+        )
+
+
+if __name__ == "__main__":
+    import sys
+
+    from qtpy.QtWidgets import QApplication
+
+    app = QApplication(sys.argv)
+    widget = AvailableDeviceResources()
+    widget.set_devices_state(
+        list(filter(lambda _: randint(0, 1) == 1, widget._backend.all_devices)), True
+    )
+    widget.show()
+    sys.exit(app.exec())

bec_widgets/widgets/control/device_manager/components/available_device_resources/available_device_resources_ui.py

@@ -0,0 +1,40 @@
+from PySide6.QtWidgets import QHBoxLayout, QLabel, QLineEdit
+from qtpy.QtCore import QMetaObject, Qt
+from qtpy.QtWidgets import QAbstractItemView, QListView, QListWidget, QVBoxLayout
+
+from bec_widgets.utils.list_of_expandable_frames import ListOfExpandableFrames
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.device_tag_group import (
+    DeviceTagGroup,
+)
+
+
+class Ui_availableDeviceResources(object):
+    def setupUi(self, availableDeviceResources):
+        if not availableDeviceResources.objectName():
+            availableDeviceResources.setObjectName("availableDeviceResources")
+        self.verticalLayout = QVBoxLayout(availableDeviceResources)
+        self.verticalLayout.setObjectName("verticalLayout")
+
+        self.search_layout = QHBoxLayout()
+        self.verticalLayout.addLayout(self.search_layout)
+        self.search_layout.addWidget(QLabel("Filter tags: "))
+        self.search_box = QLineEdit()
+        self.search_layout.addWidget(self.search_box)
+
+        self.tag_groups_list = ListOfExpandableFrames(availableDeviceResources, DeviceTagGroup)
+        self.tag_groups_list.setObjectName("tag_groups_list")
+        self.tag_groups_list.setSelectionMode(QAbstractItemView.SelectionMode.NoSelection)
+        self.tag_groups_list.setVerticalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel)
+        self.tag_groups_list.setHorizontalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel)
+        self.tag_groups_list.setMovement(QListView.Movement.Static)
+        self.tag_groups_list.setSpacing(2)
+        self.tag_groups_list.setDragDropMode(QListWidget.DragDropMode.DragOnly)
+        self.tag_groups_list.setDragEnabled(True)
+        self.tag_groups_list.setAcceptDrops(False)
+        self.tag_groups_list.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
+        availableDeviceResources.setMinimumWidth(250)
+        availableDeviceResources.resize(250, availableDeviceResources.height())
+
+        self.verticalLayout.addWidget(self.tag_groups_list)
+
+        QMetaObject.connectSlotsByName(availableDeviceResources)

bec_widgets/widgets/control/device_manager/components/available_device_resources/device_resource_backend.py

@@ -0,0 +1,111 @@
+from __future__ import annotations
+
+import operator
+import os
+from enum import Enum, auto
+from functools import partial, reduce
+from glob import glob
+from pathlib import Path
+from typing import Protocol
+
+import bec_lib
+from bec_lib.atlas_models import HashableDevice, HashableDeviceSet
+from bec_lib.bec_yaml_loader import yaml_load
+from bec_lib.logger import bec_logger
+from bec_lib.plugin_helper import plugin_package_name, plugin_repo_path
+
+logger = bec_logger.logger
+
+_BASE_REPO_PATH = Path(os.path.dirname(bec_lib.__file__)) / "../.."
+
+
+class HashModel(str, Enum):
+    DEFAULT = auto()
+    DEFAULT_DEVICECONFIG = auto()
+    DEFAULT_EPICS = auto()
+
+
+class DeviceResourceBackend(Protocol):
+    @property
+    def tag_groups(self) -> dict[str, set[HashableDevice]]:
+        """A dictionary of all availble devices separated by tag groups. The same device may
+        appear more than once (in different groups)."""
+        ...
+
+    @property
+    def all_devices(self) -> set[HashableDevice]:
+        """A set of all availble devices. The same device may not appear more than once."""
+        ...
+
+    @property
+    def untagged_devices(self) -> set[HashableDevice]:
+        """A set of all untagged devices. The same device may not appear more than once."""
+        ...
+
+    def tags(self) -> set[str]:
+        """Returns a set of all the tags in all available devices."""
+        ...
+
+    def tag_group(self, tag: str) -> set[HashableDevice]:
+        """Returns a set of the devices in the tag group with the given key."""
+        ...
+
+
+def _devices_from_file(file: str, include_source: bool = True):
+    data = yaml_load(file, process_includes=False)
+    return HashableDeviceSet(
+        HashableDevice.model_validate(
+            dev | {"name": name, "source_files": {file} if include_source else set()}
+        )
+        for name, dev in data.items()
+    )
+
+
+class _ConfigFileBackend(DeviceResourceBackend):
+    def __init__(self) -> None:
+        self._raw_device_set: set[
+            HashableDevice
+        ] = self._get_config_from_backup_files() | self._get_configs_from_plugin_files(
+            Path(plugin_repo_path()) / plugin_package_name() / "device_configs/"
+        )
+        self._tag_groups = self._get_tag_groups()
+
+    def _get_config_from_backup_files(self):
+        dir = _BASE_REPO_PATH / "logs/device_configs/recovery_configs"
+        files = glob("*.yaml", root_dir=dir)
+        return reduce(
+            operator.or_,
+            map(partial(_devices_from_file, include_source=False), (str(dir / f) for f in files)),
+        )
+
+    def _get_configs_from_plugin_files(self, dir: Path):
+        files = glob("*.yaml", root_dir=dir, recursive=True)
+        return reduce(operator.or_, map(_devices_from_file, (str(dir / f) for f in files)))
+
+    def _get_tag_groups(self) -> dict[str, set[HashableDevice]]:
+        return {
+            tag: set(filter(lambda dev: tag in dev.deviceTags, self._raw_device_set))
+            for tag in self.tags()
+        }
+
+    @property
+    def tag_groups(self):
+        return self._tag_groups
+
+    @property
+    def all_devices(self):
+        return self._raw_device_set
+
+    @property
+    def untagged_devices(self):
+        return {d for d in self._raw_device_set if d.deviceTags == set()}
+
+    def tags(self) -> set[str]:
+        return reduce(operator.or_, (dev.deviceTags for dev in self._raw_device_set))
+
+    def tag_group(self, tag: str) -> set[HashableDevice]:
+        return self.tag_groups[tag]
+
+
+def get_backend() -> DeviceResourceBackend:
+    return _ConfigFileBackend()

bec_widgets/widgets/control/device_manager/components/available_device_resources/device_tag_group.py

@@ -0,0 +1,202 @@
+from textwrap import dedent
+from typing import NamedTuple
+
+from bec_qthemes import material_icon
+from qtpy.QtCore import QSize
+from qtpy.QtWidgets import QFrame, QHBoxLayout, QLabel, QListWidgetItem, QVBoxLayout, QWidget
+
+from bec_widgets.utils.expandable_frame import ExpandableGroupFrame
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.device_resource_backend import (
+    HashableDevice,
+)
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.device_tag_group_ui import (
+    Ui_DeviceTagGroup,
+)
+
+DEVICE_HASH_ROLE = 101
+
+
+def _warning_string(spec: HashableDevice):
+    name_warning = (
+        f"Device defined with multiple names! Please check:\n  {'\n  '.join(spec.names)}\n"
+        if len(spec.names) > 1
+        else ""
+    )
+    source_warning = (
+        f"Device found in multiple source files! Please check:\n  {'\n  '.join(spec._source_files)}"
+        if len(spec._source_files) > 1
+        else ""
+    )
+    return f"{name_warning}{source_warning}"
+
+
+class _DeviceEntryWidget(QFrame):
+
+    def __init__(self, device_spec: HashableDevice, parent=None, **kwargs):
+        super().__init__(parent, **kwargs)
+        self._device_spec = device_spec
+        self.included: bool = False
+
+        self.setFrameShape(QFrame.Shape.StyledPanel)
+        self.setFrameShadow(QFrame.Shadow.Raised)
+
+        self._layout = QVBoxLayout()
+        self._layout.setContentsMargins(0, 0, 0, 0)
+        self.setLayout(self._layout)
+
+        self.setup_title_layout(device_spec)
+        self.check_and_display_warning()
+
+        self.setToolTip(self._rich_text())
+
+    def _rich_text(self):
+        return dedent(
+            f"""
+        <b><u><h2> {self._device_spec.name}: </h2></u></b>
+        <table>
+        <tr><td> description: </td><td><i> {self._device_spec.description}  </i></td></tr>
+        <tr><td> config:      </td><td><i> {self._device_spec.deviceConfig} </i></td></tr>
+        <tr><td> enabled:     </td><td><i> {self._device_spec.enabled}      </i></td></tr>
+        <tr><td> read only:   </td><td><i> {self._device_spec.readOnly}     </i></td></tr>
+        </table>
+        """
+        )
+
+    def setup_title_layout(self, device_spec: HashableDevice):
+        self._title_layout = QHBoxLayout()
+        self._title_layout.setContentsMargins(0, 0, 0, 0)
+        self._title_container = QWidget(parent=self)
+        self._title_container.setLayout(self._title_layout)
+
+        self._warning_label = QLabel()
+        self._title_layout.addWidget(self._warning_label)
+
+        self.title = QLabel(device_spec.name)
+        self.title.setToolTip(device_spec.name)
+        self.title.setStyleSheet(self.title_style("#FF0000"))
+        self._title_layout.addWidget(self.title)
+
+        self._title_layout.addStretch(1)
+        self._layout.addWidget(self._title_container)
+
+    def check_and_display_warning(self):
+        if len(self._device_spec.names) == 1 and len(self._device_spec._source_files) == 1:
+            self._warning_label.setText("")
+            self._warning_label.setToolTip("")
+        else:
+            self._warning_label.setPixmap(material_icon("warning", size=(12, 12), color="#FFAA00"))
+            self._warning_label.setToolTip(_warning_string(self._device_spec))
+
+    @property
+    def device_hash(self):
+        return hash(self._device_spec)
+
+    def title_style(self, color: str) -> str:
+        return f"QLabel {{ color: {color}; font-weight: bold; font-size: 10pt; }}"
+
+    def setTitle(self, text: str):
+        self.title.setText(text)
+
+    def set_included(self, included: bool):
+        self.included = included
+        self.title.setStyleSheet(self.title_style("#00FF00" if included else "#FF0000"))
+
+
+class _DeviceEntry(NamedTuple):
+    list_item: QListWidgetItem
+    widget: _DeviceEntryWidget
+
+
+class DeviceTagGroup(ExpandableGroupFrame, Ui_DeviceTagGroup):
+    def __init__(
+        self, parent=None, name: str = "TagGroupTitle", data: set[HashableDevice] = set(), **kwargs
+    ):
+        super().__init__(parent=parent, **kwargs)
+        self.setupUi(self)
+        self.title_text = name  # type: ignore
+        self._devices: dict[str, _DeviceEntry] = {}
+        for device in data:
+            self._add_item(device)
+        self.device_list.sortItems()
+        self.setMinimumSize(self.device_list.sizeHint())
+        self._update_num_included()
+
+        self.add_to_composition_button.clicked.connect(self.test)
+
+    def _add_item(self, device: HashableDevice):
+        item = QListWidgetItem(self.device_list)
+        widget = _DeviceEntryWidget(device, self)
+        item.setSizeHint(QSize(widget.width(), widget.height()))
+        self.device_list.setItemWidget(item, widget)
+        self.device_list.addItem(item)
+        self._devices[device.name] = _DeviceEntry(item, widget)
+
+    def reset_devices_state(self):
+        for dev in self._devices.values():
+            dev.widget.set_included(False)
+        self._update_num_included()
+
+    def set_item_state(self, /, device_hash: int, included: bool):
+        for dev in self._devices.values():
+            if dev.widget.device_hash == device_hash:
+                dev.widget.set_included(included)
+        self._update_num_included()
+
+    def _update_num_included(self):
+        n_included = sum(int(dev.widget.included) for dev in self._devices.values())
+        if n_included == 0:
+            color = "#FF0000"
+        elif n_included == len(self._devices):
+            color = "#00FF00"
+        else:
+            color = "#FFAA00"
+        self.n_included.setText(f"{n_included} / {len(self._devices)}")
+        self.n_included.setStyleSheet(f"QLabel {{ color: {color}; }}")
+
+    def sizeHint(self) -> QSize:
+        if not getattr(self, "device_list", None) or not self.expanded:
+            return super().sizeHint()
+        return QSize(
+            max(150, self.device_list.viewport().width()),
+            self.device_list.sizeHintForRow(0) * self.device_list.count() + 50,
+        )
+
+    def resizeEvent(self, event):
+        super().resizeEvent(event)
+        self.setMinimumHeight(self.sizeHint().height())
+        self.setMaximumHeight(self.sizeHint().height())
+
+    def get_selection(self) -> set[HashableDevice]:
+        selection = self.device_list.selectedItems()
+        widgets = (w.widget for _, w in self._devices.items() if w.list_item in selection)
+        return set(w._device_spec for w in widgets)
+
+    def test(self, *args):
+        print(self.get_selection())
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}: {self.title_text}"
+
+
+if __name__ == "__main__":
+    import sys
+
+    from qtpy.QtWidgets import QApplication
+
+    app = QApplication(sys.argv)
+    widget = DeviceTagGroup(name="Tag group 1")
+    for item in [
+        HashableDevice(
+            **{
+                "name": f"test_device_{i}",
+                "deviceClass": "TestDeviceClass",
+                "readoutPriority": "baseline",
+                "enabled": True,
+            }
+        )
+        for i in range(5)
+    ]:
+        widget._add_item(item)
+    widget._update_num_included()
+    widget.show()
+    sys.exit(app.exec())

bec_widgets/widgets/control/device_manager/components/available_device_resources/device_tag_group_ui.py

@@ -0,0 +1,65 @@
+from functools import partial
+
+from bec_qthemes import material_icon
+from PySide6.QtWidgets import QFrame
+from qtpy.QtCore import QMetaObject
+from qtpy.QtWidgets import QLabel, QListWidget, QToolButton, QVBoxLayout
+
+
+class Ui_DeviceTagGroup(object):
+    def setupUi(self, DeviceTagGroup):
+        if not DeviceTagGroup.objectName():
+            DeviceTagGroup.setObjectName("DeviceTagGroup")
+        DeviceTagGroup.setMinimumWidth(150)
+        self.verticalLayout = QVBoxLayout()
+        self.verticalLayout.setObjectName("verticalLayout")
+        DeviceTagGroup.set_layout(self.verticalLayout)
+
+        title_layout = DeviceTagGroup.get_title_layout()
+
+        self.n_included = QLabel(DeviceTagGroup, text="...")
+        self.n_included.setObjectName("n_included")
+        title_layout.addWidget(self.n_included)
+
+        self.delete_tag_button = QToolButton(DeviceTagGroup)
+        self.delete_tag_button.setObjectName("delete_tag_button")
+        title_layout.addWidget(self.delete_tag_button)
+
+        self.remove_from_composition_button = QToolButton(DeviceTagGroup)
+        self.remove_from_composition_button.setObjectName("remove_from_composition_button")
+        title_layout.addWidget(self.remove_from_composition_button)
+
+        self.add_to_composition_button = QToolButton(DeviceTagGroup)
+        self.add_to_composition_button.setObjectName("add_to_composition_button")
+        title_layout.addWidget(self.add_to_composition_button)
+
+        self.remove_all_button = QToolButton(DeviceTagGroup)
+        self.remove_all_button.setObjectName("remove_all_from_composition_button")
+        title_layout.addWidget(self.remove_all_button)
+
+        self.add_all_button = QToolButton(DeviceTagGroup)
+        self.add_all_button.setObjectName("add_all_to_composition_button")
+        title_layout.addWidget(self.add_all_button)
+
+        self.device_list = QListWidget(DeviceTagGroup)
+        self.device_list.setObjectName("device_list")
+        self.device_list.setFrameStyle(0)
+
+        self.verticalLayout.addWidget(self.device_list)
+
+        self.set_icons()
+
+        QMetaObject.connectSlotsByName(DeviceTagGroup)
+
+    def set_icons(self):
+        icon = partial(material_icon, size=(15, 15), convert_to_pixmap=False)
+        self.delete_tag_button.setIcon(icon("delete"))
+        self.delete_tag_button.setToolTip("Delete tag group")
+        self.remove_from_composition_button.setIcon(icon("remove"))
+        self.remove_from_composition_button.setToolTip("Remove selected from composition")
+        self.add_to_composition_button.setIcon(icon("add"))
+        self.add_to_composition_button.setToolTip("Add selected to composition")
+        self.remove_all_button.setIcon(icon("chips"))
+        self.remove_all_button.setToolTip("Remove all with this tag from composition")
+        self.add_all_button.setIcon(icon("add_box"))
+        self.add_all_button.setToolTip("Add all with this tag to composition")

bec_widgets/widgets/control/device_manager/components/device_table_view.py

@@ -115,6 +115,9 @@ class DeviceTableModel(QtCore.QAbstractTableModel):
     Sort logic is implemented directly on the data of the table view.
     """
 
+    device_added = QtCore.Signal(dict)
+    devices_reset = QtCore.Signal(list)
+
     def __init__(self, device_config: list[dict] | None = None, parent=None):
         super().__init__(parent)
         self._device_config = device_config or []
@@ -250,6 +253,7 @@ class DeviceTableModel(QtCore.QAbstractTableModel):
         self.beginResetModel()
         self._device_config = list(device_config)
         self.endResetModel()
+        self.devices_reset.emit(self._device_config)
 
     @SafeSlot(dict)
     def add_device(self, device: dict):

bec_widgets/widgets/services/device_browser/device_browser.py

@@ -176,18 +176,11 @@ class DeviceBrowser(BECWidget, QWidget):
 
         Either way, the function will filter the devices based on the filter input text and update the device list.
         """
-        filter_text = self.ui.filter_input.text()
         for device in self.dev:
             if device not in self.dev_list:
                 # it is possible the device has just been added to the config
                 self._add_item_to_list(device, self.dev[device])
-        try:
-            self.regex = re.compile(filter_text, re.IGNORECASE)
-        except re.error:
-            self.regex = None  # Invalid regex, disable filtering
-            self.dev_list.unhide_all()
-            return
-        self.dev_list.set_hidden(filter(lambda d: not self.regex.search(d), self.dev.keys()))
+        self.dev_list.update_filter(self.ui.filter_input.text())
 
     @SafeSlot()
     def _load_from_file(self):

tests/unit_tests/test_available_device_resources.py

@@ -0,0 +1,78 @@
+from copy import copy
+
+import pytest
+
+from bec_widgets.widgets.control.device_manager.components.available_device_resources.device_resource_backend import (
+    HashableDevice,
+    _HashableDeviceSet,
+)
+
+TEST_DEVICE_DICT = {
+    "name": "test_device",
+    "deviceClass": "TestDeviceClass",
+    "readoutPriority": "baseline",
+    "enabled": True,
+}
+
+
+def _test_device_dict(**kwargs):
+    new = copy(TEST_DEVICE_DICT)
+    new.update(kwargs)
+    return new
+
+
+@pytest.mark.parametrize(
+    "kwargs_1, kwargs_2, kwargs_3, kwargs_4, n",
+    [
+        ({}, {}, {}, {}, 1),
+        ({}, {}, {}, {"deviceConfig": {"a": 1}}, 1),
+        ({}, {}, {}, {"name": "test_device_2"}, 2),
+        ({}, {}, {"name": "test_device_2"}, {"deviceClass": "OtherDeviceClass"}, 3),
+    ],
+)
+def test_hashable_device_set_merges_equal(kwargs_1, kwargs_2, kwargs_3, kwargs_4, n):
+    item_1 = HashableDevice(**_test_device_dict(**kwargs_1))
+    item_2 = HashableDevice(**_test_device_dict(**kwargs_2))
+    item_3 = HashableDevice(**_test_device_dict(**kwargs_3))
+    item_4 = HashableDevice(**_test_device_dict(**kwargs_4))
+
+    test_set = _HashableDeviceSet((item_1, item_2, item_3, item_4))
+    assert len(test_set) == n
+
+
+def test_hashable_device_set_or_adds_sources():
+    item_1 = HashableDevice(**_test_device_dict(), source_files={"a", "b"})
+    item_2 = HashableDevice(**_test_device_dict(), source_files={"c", "d"})
+
+    set_1 = _HashableDeviceSet((item_1,))
+    set_2 = _HashableDeviceSet((item_2,))
+
+    combined = set_1 | set_2
+    assert len(combined) == 1
+    assert combined.pop().source_files == {"a", "b", "c", "d"}
+
+
+def test_hashable_device_set_or_adds_tags():
+    item_1 = HashableDevice(
+        **_test_device_dict(deviceTags={"tag1"}, deviceConfig={"param": "value"}),
+        source_files={"a", "b"},
+    )
+    item_2 = HashableDevice(
+        **_test_device_dict(deviceTags={"tag2"}, deviceConfig={"param": "value"}),
+        source_files={"c", "d"},
+    )
+    item_3 = HashableDevice(
+        **_test_device_dict(deviceTags={"tag3"}, deviceConfig={"param": "other_value"}),
+        source_files={"q"},
+    )
+
+    set_1 = _HashableDeviceSet((item_1,))
+    set_2 = _HashableDeviceSet((item_2,))
+    set_3 = _HashableDeviceSet((item_3,))
+
+    combined = sorted(set_1 | set_2 | set_3, key=lambda hd: hd.deviceConfig["param"])
+    assert len(combined) == 2
+    assert combined[0].source_files == {"q"}
+    assert combined[0].deviceTags == {"tag3"}
+    assert combined[1].source_files == {"a", "b", "c", "d"}
+    assert combined[1].deviceTags == {"tag1", "tag2"}