PYQT charts in tabs

[Axel_Erfurt]

import sys
from PyQt5.QtWidgets import QMainWindow, QApplication, QPushButton, QWidget, QAction, QTabWidget,QVBoxLayout
from PyQt5.QtGui import QIcon, QPainter
from PyQt5.QtCore import pyqtSlot, Qt, QPointF
from PyQt5.QtWidgets import QLabel
from PyQt5.QtChart import QBarSet, QChart, QBarSeries, QLineSeries, QBarCategoryAxis, QChartView

from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg, NavigationToolbar2QT as NavigationToolbar
from matplotlib.figure import Figure


class MplCanvas(FigureCanvasQTAgg):

    def __init__(self, parent=None, width=5, height=4, dpi=100):
        fig = Figure(figsize=(width, height), dpi=dpi)
        self.axes = fig.add_subplot(111)
        super(MplCanvas, self).__init__(fig)
  
class App(QMainWindow):
  
    def __init__(self):
        super().__init__()
        self.title = 'CHART'
        self.left = 0
        self.top = 0
        self.width = 800
        self.height = 600
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)
        self.table_widget = MyTableWidget(self)
        self.setCentralWidget(self.table_widget)
        self.show()
     
class MyTableWidget(QWidget):
  
    def __init__(self, parent):
        super(QWidget, self).__init__(parent)
        self.layout = QVBoxLayout(self)
          
        # Initialize tab screen
        self.tabs = QTabWidget()
        self.tab1 = QWidget()
        self.tab2 = QWidget()
        self.tabs.resize(300,200)
          
        # Add tabs
        self.tabs.addTab(self.tab1,"Tab 1")
        self.tabs.addTab(self.tab2,"Tab 2")
         
       # add matplotlib  
        sc = MplCanvas(self, width=5, height=4, dpi=100)
        sc.axes.plot([0,1,2,3,4], [10,1,20,3,40])

        # Create toolbar, passing canvas as first parament, parent (self, the MainWindow) as second.
        toolbar = NavigationToolbar(sc, self)

        layout = QVBoxLayout()
        layout.addWidget(toolbar)
        layout.addWidget(sc)

        self.tab1.layout = QVBoxLayout(self)
        self.tab1.layout.addLayout(layout)
        self.tab1.setLayout(self.tab1.layout)
       
        # Create second tab
        ### chart example 2
        series = QLineSeries(self)
  
        series << QPointF( 1, 91.9) << QPointF( 2, 89.5) << QPointF( 3, 84.6) << QPointF( 4, 92.0) << QPointF( 5, 87.6) << QPointF( 6, 89.4) << QPointF( 7, 83.9) << QPointF( 8, 90.1) << QPointF( 9, 89.7) << QPointF( 10, 89.6) << QPointF( 11, 86.1) << QPointF( 12, 85.3) << QPointF( 13, 91.3) << QPointF( 14, 89.0) << QPointF( 15, 85.3) << QPointF( 16, 91.6) << QPointF( 17, 91.1) << QPointF( 18, 91.3) << QPointF( 19, 88.3) << QPointF( 20, 84.1) << QPointF( 21, 88.9) << QPointF( 22, 91.1) << QPointF( 23, 86.6) << QPointF( 24, 88.2) << QPointF( 25, 90.3) << QPointF( 26, 89.3) << QPointF( 27, 85.0) << QPointF( 28, 88.6) << QPointF( 29, 86.0) << QPointF( 30, 87.1) << QPointF( 31, 84.3)
  
        chart =  QChart()
  
        chart.addSeries(series)
        chart.createDefaultAxes()
        chart.setAnimationOptions(QChart.SeriesAnimations)
        chart.setTitle("Line Chart Example")
  
        chart.legend().setVisible(True)
        chart.legend().setAlignment(Qt.AlignBottom)
  
  
        chartview = QChartView(chart)
        chartview.setRenderHint(QPainter.Antialiasing)        
        ###
        self.tab2.layout = QVBoxLayout(self)
        self.tab2.layout.addWidget(chartview)
        self.tab2.setLayout(self.tab2.layout)
          
        # Add tabs to widget
        self.layout.addWidget(self.tabs)
        self.setLayout(self.layout)
   
if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = App()
    sys.exit(app.exec_())