first version of loading data

nixview/ui/plotscreen.py

@@ -4,11 +4,12 @@ import matplotlib
 matplotlib.use('Qt5Agg')
 from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
 from matplotlib.figure import Figure
-
+import nixio as nix
 import numpy as np
 import matplotlib.pyplot as plt
 from matplotlib.widgets import Slider
-import nixio as nix
+
+from nixview.file_handler import FileHandler, DataView
 
 
 
@@ -323,8 +324,9 @@ class MplCanvas(FigureCanvasQTAgg):
 class PlotScreen(QWidget):
     close_signal = pyqtSignal()
     
-    def __init__(self, parent) -> None:
+    def __init__(self, parent=None) -> None:
         super().__init__(parent=parent)
+        self._file_handler = FileHandler()
         sc = MplCanvas(self, width=5, height=4, dpi=100)
         sc.axes.plot([0,1,2,3,4], [10,1,20,3,40])
         
@@ -335,9 +337,16 @@ class PlotScreen(QWidget):
         close_btn.clicked.connect(self.on_close)
         
         self.layout().addWidget(close_btn)
+        self._data_view = None
     
     def on_close(self):
         self.close_signal.emit()
         
     def plot(self, item):
-        print("plot!", item)
+        print("plot!", item)
+        print(item.entity_type, item.shape)
+        self._data_view = DataView(item, self._file_handler)
+        self._data_view.request_more()
+        print(self._data_view)
+        
+