Add scheduler GUI

b_asic/scheduler-gui/graphics_component_item.py

@@ -68,6 +68,11 @@ class GraphicsComponentItem(QGraphicsItemGroup):
         """Get the op-id."""
         return self._operation.graph_id
 
+    @property
+    def operation(self) -> GraphComponent:
+        """Get the operation."""
+        return self._operation
+
     @property
     def height(self) -> float:
         """Get or set the current component height. Setting the height to a new
@@ -86,12 +91,14 @@ class GraphicsComponentItem(QGraphicsItemGroup):
         """Get the relative end time."""
         return self._end_time
 
-
     @property
     def event_items(self) -> List[QGraphicsItem]:
         """Returnes a list of objects, that receives events."""
         return [self]
 
+    def get_port_location(self, key) -> QPointF:
+        return self.mapToParent(self._ports[key]['pos'])
+
     def _make_component(self) -> None:
         """Makes a new component out of the stored attributes."""
         brush1 = QBrush(Qt.lightGray)       # used by component filling
@@ -170,10 +177,10 @@ class GraphicsComponentItem(QGraphicsItemGroup):
         for port_dict in self._ports.values():
             port_pos = self.mapToParent(port_dict['pos'])
             port = QGraphicsEllipseItem(-port_size/2, -port_size/2, port_size, port_size)   # center of circle is in origo
+            port.setPen(pen2)
+            port.setBrush(brush2)
+            port.setPos(port_pos.x(), port_pos.y())
             self._port_items.append(port)
-            self._port_items[-1].setPen(pen2)
-            self._port_items[-1].setBrush(brush2)
-            self._port_items[-1].setPos(port_pos.x(), port_pos.y())
 
         ## op-id/label
         self._label_item = QGraphicsSimpleTextItem(self._operation.graph_id)