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bec_widgets/bec_widgets/widgets/progress/ring_progress_bar/ring.py
T

294 lines
11 KiB
Python

from __future__ import annotations
from typing import Literal, Optional
from bec_lib.endpoints import EndpointInfo, MessageEndpoints
from pydantic import BaseModel, Field, field_validator
from pydantic_core import PydanticCustomError
from qtpy import QtGui
from qtpy.QtCore import QObject
from bec_widgets.utils import BECConnector, ConnectionConfig
class ProgressbarConnections(BaseModel):
slot: Literal["on_scan_progress", "on_device_readback", None] = None
endpoint: EndpointInfo | str | None = None
model_config: dict = {"validate_assignment": True}
@field_validator("endpoint")
@classmethod
def validate_endpoint(cls, v, values):
slot = values.data["slot"]
v = v.endpoint if isinstance(v, EndpointInfo) else v
if slot == "on_scan_progress":
if v != MessageEndpoints.scan_progress().endpoint:
raise PydanticCustomError(
"unsupported endpoint",
"For slot 'on_scan_progress', endpoint must be MessageEndpoint.scan_progress or 'scans/scan_progress'.",
{"wrong_value": v},
)
elif slot == "on_device_readback":
if not v.startswith(MessageEndpoints.device_readback("").endpoint):
raise PydanticCustomError(
"unsupported endpoint",
"For slot 'on_device_readback', endpoint must be MessageEndpoint.device_readback(device) or 'internal/devices/readback/{device}'.",
{"wrong_value": v},
)
return v
class ProgressbarConfig(ConnectionConfig):
value: int | float | None = Field(0, description="Value for the progress bars.")
direction: int | None = Field(
-1, description="Direction of the progress bars. -1 for clockwise, 1 for counter-clockwise."
)
color: str | tuple | None = Field(
(0, 159, 227, 255),
description="Color for the progress bars. Can be tuple (R, G, B, A) or string HEX Code.",
)
background_color: str | tuple | None = Field(
(200, 200, 200, 50),
description="Background color for the progress bars. Can be tuple (R, G, B, A) or string HEX Code.",
)
index: int | None = Field(0, description="Index of the progress bar. 0 is outer ring.")
line_width: int | None = Field(10, description="Line widths for the progress bars.")
start_position: int | None = Field(
90,
description="Start position for the progress bars in degrees. Default is 90 degrees - corespons to "
"the top of the ring.",
)
min_value: int | float | None = Field(0, description="Minimum value for the progress bars.")
max_value: int | float | None = Field(100, description="Maximum value for the progress bars.")
precision: int | None = Field(3, description="Precision for the progress bars.")
update_behaviour: Literal["manual", "auto"] | None = Field(
"auto", description="Update behaviour for the progress bars."
)
connections: ProgressbarConnections | None = Field(
default_factory=ProgressbarConnections, description="Connections for the progress bars."
)
class RingConfig(ProgressbarConfig):
index: int | None = Field(0, description="Index of the progress bar. 0 is outer ring.")
start_position: int | None = Field(
90,
description="Start position for the progress bars in degrees. Default is 90 degrees - corespons to "
"the top of the ring.",
)
class Ring(BECConnector, QObject):
USER_ACCESS = [
"_get_all_rpc",
"_rpc_id",
"_config_dict",
"set_value",
"set_color",
"set_background",
"set_line_width",
"set_min_max_values",
"set_start_angle",
"set_update",
"reset_connection",
]
def __init__(
self,
parent=None,
config: RingConfig | dict | None = None,
client=None,
gui_id: Optional[str] = None,
**kwargs,
):
if config is None:
config = RingConfig(widget_class=self.__class__.__name__)
self.config = config
else:
if isinstance(config, dict):
config = RingConfig(**config)
self.config = config
super().__init__(parent=parent, client=client, config=config, gui_id=gui_id, **kwargs)
self.parent_progress_widget = parent
self.color = None
self.background_color = None
self.start_position = None
self.config = config
self.RID = None
self._init_config_params()
def _init_config_params(self):
self.color = self.convert_color(self.config.color)
self.background_color = self.convert_color(self.config.background_color)
self.set_start_angle(self.config.start_position)
if self.config.connections:
self.set_connections(self.config.connections.slot, self.config.connections.endpoint)
def set_value(self, value: int | float):
"""
Set the value for the ring widget
Args:
value(int | float): Value for the ring widget
"""
self.config.value = round(
float(max(self.config.min_value, min(self.config.max_value, value))),
self.config.precision,
)
self.parent_progress_widget.update()
def set_color(self, color: str | tuple):
"""
Set the color for the ring widget
Args:
color(str | tuple): Color for the ring widget. Can be HEX code or tuple (R, G, B, A).
"""
self.config.color = color
self.color = self.convert_color(color)
self.parent_progress_widget.update()
def set_background(self, color: str | tuple):
"""
Set the background color for the ring widget
Args:
color(str | tuple): Background color for the ring widget. Can be HEX code or tuple (R, G, B, A).
"""
self.config.background_color = color
self.color = self.convert_color(color)
self.parent_progress_widget.update()
def set_line_width(self, width: int):
"""
Set the line width for the ring widget
Args:
width(int): Line width for the ring widget
"""
self.config.line_width = width
self.parent_progress_widget.update()
def set_min_max_values(self, min_value: int | float, max_value: int | float):
"""
Set the min and max values for the ring widget.
Args:
min_value(int | float): Minimum value for the ring widget
max_value(int | float): Maximum value for the ring widget
"""
self.config.min_value = min_value
self.config.max_value = max_value
self.parent_progress_widget.update()
def set_start_angle(self, start_angle: int):
"""
Set the start angle for the ring widget
Args:
start_angle(int): Start angle for the ring widget in degrees
"""
self.config.start_position = start_angle
self.start_position = start_angle * 16
self.parent_progress_widget.update()
@staticmethod
def convert_color(color):
"""
Convert the color to QColor
Args:
color(str | tuple): Color for the ring widget. Can be HEX code or tuple (R, G, B, A).
"""
converted_color = None
if isinstance(color, str):
converted_color = QtGui.QColor(color)
elif isinstance(color, tuple):
converted_color = QtGui.QColor(*color)
return converted_color
def set_update(self, mode: Literal["manual", "scan", "device"], device: str = None):
"""
Set the update mode for the ring widget.
Modes:
- "manual": Manual update mode, the value is set by the user.
- "scan": Update mode for the scan progress. The value is updated by the current scan progress.
- "device": Update mode for the device readback. The value is updated by the device readback. Take into account that user has to set the device name and limits.
Args:
mode(str): Update mode for the ring widget. Can be "manual", "scan" or "device"
device(str): Device name for the device readback mode, only used when mode is "device"
"""
if mode == "manual":
if self.config.connections.slot is not None:
self.bec_dispatcher.disconnect_slot(
getattr(self, self.config.connections.slot), self.config.connections.endpoint
)
self.config.connections.slot = None
self.config.connections.endpoint = None
elif mode == "scan":
self.set_connections("on_scan_progress", MessageEndpoints.scan_progress())
elif mode == "device":
self.set_connections("on_device_readback", MessageEndpoints.device_readback(device))
self.parent_progress_widget.enable_auto_updates(False)
def set_connections(self, slot: str, endpoint: str | EndpointInfo):
"""
Set the connections for the ring widget
Args:
slot(str): Slot for the ring widget update. Can be "on_scan_progress" or "on_device_readback".
endpoint(str | EndpointInfo): Endpoint for the ring widget update. Endpoint has to match the slot type.
"""
if self.config.connections.endpoint == endpoint and self.config.connections.slot == slot:
return
if self.config.connections.slot is not None:
self.bec_dispatcher.disconnect_slot(
getattr(self, self.config.connections.slot), self.config.connections.endpoint
)
self.config.connections = ProgressbarConnections(slot=slot, endpoint=endpoint)
self.bec_dispatcher.connect_slot(getattr(self, slot), endpoint)
def reset_connection(self):
"""
Reset the connections for the ring widget. Disconnect the current slot and endpoint.
"""
self.bec_dispatcher.disconnect_slot(
self.config.connections.slot, self.config.connections.endpoint
)
self.config.connections = ProgressbarConnections()
def on_scan_progress(self, msg, meta):
"""
Update the ring widget with the scan progress.
Args:
msg(dict): Message with the scan progress
meta(dict): Metadata for the message
"""
current_RID = meta.get("RID", None)
if current_RID != self.RID:
self.set_min_max_values(0, msg.get("max_value", 100))
self.set_value(msg.get("value", 0))
self.parent_progress_widget.update()
def on_device_readback(self, msg, meta):
"""
Update the ring widget with the device readback.
Args:
msg(dict): Message with the device readback
meta(dict): Metadata for the message
"""
if isinstance(self.config.connections.endpoint, EndpointInfo):
endpoint = self.config.connections.endpoint.endpoint
else:
endpoint = self.config.connections.endpoint
device = endpoint.split("/")[-1]
value = msg.get("signals").get(device).get("value")
self.set_value(value)
self.parent_progress_widget.update()