astrodatagui: FlaredetectorWidget: add matplotlib figure and toolbar

astrodatagui/ui/FlaredetectorWidget.py

@@ -1,5 +1,19 @@
 from PyQt5 import QtWidgets
+from matplotlib.figure import Figure
+from matplotlib.backends.backend_qtagg import (
+     FigureCanvas, NavigationToolbar2QT as NavigationToolbar)
+
 
 class FlaredetectorWidget(QtWidgets.QWidget):
     def __init__(self, name):
         super(FlaredetectorWidget, self).__init__()
+
+        self.mainLayout = QtWidgets.QVBoxLayout()
+        self.setLayout(self.mainLayout)
+
+        self.figure = Figure()
+        self.figureAxis = self.figure.add_subplot()
+        fc = FigureCanvas(self.figure)
+        toolbar = NavigationToolbar(fc, self)
+        self.mainLayout.addWidget(toolbar)
+        self.mainLayout.addWidget(fc)