node drawing deserialize bug fix.

Author: jchanvfx

NodeGraphQt/base/node.py

@@ -204,9 +204,6 @@ def update(self):
         """
         settings = self.model.to_dict[self.model.id]
         settings['id'] = self.model.id
-        if settings.get('custom'):
-            settings['widgets'] = settings.pop('custom')
-
         self.view.from_dict(settings)
 
     def serialize(self):

NodeGraphQt/qgraphics/node_abstract.py

@@ -55,6 +55,15 @@ def setSelected(self, selected):
         self._properties['selected'] = selected
         super(AbstractNodeItem, self).setSelected(selected)
 
+    def draw_node(self):
+        """
+        Re-draw the node item in the scene with proper
+        calculated size and widgets aligned.
+
+        (this is called from the builtin custom widgets.)
+        """
+        return
+
     def pre_init(self, viewer, pos=None):
         """
         Called before node has been added into the scene.
@@ -63,7 +72,7 @@ def pre_init(self, viewer, pos=None):
             viewer (NodeGraphQt.widgets.viewer.NodeViewer): main viewer.
             pos (tuple): the cursor pos if node is called with tab search.
         """
-        pass
+        return
 
     def post_init(self, viewer, pos=None):
         """
@@ -73,7 +82,7 @@ def post_init(self, viewer, pos=None):
             viewer (NodeGraphQt.widgets.viewer.NodeViewer): main viewer
             pos (tuple): the cursor pos if node is called with tab search.
         """
-        pass
+        return
 
     @property
     def id(self):

NodeGraphQt/qgraphics/node_backdrop.py

@@ -67,7 +67,7 @@ def mouseReleaseEvent(self, event):
 
     def paint(self, painter, option, widget):
         """
-        Draws the backdrop sizer on the bottom right corner.
+        Draws the backdrop sizer in the bottom right corner.
 
         Args:
             painter (QtGui.QPainter): painter used for drawing the item.
@@ -302,3 +302,10 @@ def width(self, width=0.0):
     def height(self, height=0.0):
         AbstractNodeItem.height.fset(self, height)
         self._sizer.set_pos(self._width, self._height)
+
+    def from_dict(self, node_dict):
+        super().from_dict(node_dict)
+        custom_props = node_dict.get('custom') or {}
+        for prop_name, value in custom_props.items():
+            if prop_name == 'backdrop_text':
+                self.backdrop_text = value

NodeGraphQt/qgraphics/node_base.py

@@ -1049,7 +1049,8 @@ def has_widget(self, name):
 
     def from_dict(self, node_dict):
         super(NodeItem, self).from_dict(node_dict)
-        widgets = node_dict.pop('widgets', {})
-        for name, value in widgets.items():
-            if self._widgets.get(name):
-                self._widgets[name].set_value(value)
+        custom_prop = node_dict.pop('custom') or {}
+        for prop_name, value in custom_prop.items():
+            prop_widget = self._widgets.get(prop_name)
+            if prop_widget:
+                prop_widget.set_value(value)