TraceDemo/src/gui/widgets/plot.py

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import pandas as pd
from PyQt5.QtWidgets import QWidget, QVBoxLayout
import pyqtgraph as pg
from base.base import BasePlotWidget
class PlotWidget(BasePlotWidget):
def _create_widget(self, dataframe: pd.DataFrame) -> QWidget:
widget = QWidget()
layout = QVBoxLayout()
time_axis = dataframe["time"]
for channel, signals in self._plot_channels.items():
plot_widget = pg.PlotWidget(title=channel)
plot_widget.showGrid(x=True, y=True)
legend = pg.LegendItem((80, 60), offset=(70, 20))
legend.setParentItem(plot_widget.graphicsItem())
for signal in signals:
plot = plot_widget.plot(time_axis, dataframe[signal["name"]], pen=signal["pen"])
legend.addItem(plot, signal["name"])
layout.addWidget(plot_widget)
widget.setLayout(layout)
return widget
def build(self, data: list[pd.DataFrame]) -> None:
widgets = [self._create_widget(data_sample) for data_sample in data]
self._mediator.notify(self, widgets)