refactored logic in NodeTextItem

NodeGraphQt/base/commands.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python
+from .utils import minimize_node_ref_count
 from .. import QtWidgets
 from ..constants import IN_PORT, OUT_PORT
-from .utils import minimize_node_ref_count
 
 
 class PropertyChangedCmd(QtWidgets.QUndoCommand):

NodeGraphQt/base/graph.py

@@ -1,11 +1,12 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
+import gc
 import json
 import os
 import re
+
 import copy
-import gc
-from .. import QtCore, QtWidgets, QtGui
+
 from .commands import (NodeAddedCmd,
                        NodeRemovedCmd,
                        NodeMovedCmd,
@@ -15,14 +16,15 @@
 from .model import NodeGraphModel
 from .node import NodeObject, BaseNode
 from .port import Port
+from .. import QtCore, QtWidgets, QtGui
 from ..constants import (DRAG_DROP_ID,
                          PIPE_LAYOUT_CURVED,
                          PIPE_LAYOUT_STRAIGHT,
                          PIPE_LAYOUT_ANGLE,
                          IN_PORT, OUT_PORT,
                          VIEWER_GRID_LINES)
-from ..widgets.viewer import NodeViewer
 from ..widgets.node_space_bar import node_space_bar
+from ..widgets.viewer import NodeViewer
 
 
 class QWidgetDrops(QtWidgets.QWidget):
@@ -179,9 +181,10 @@ def _wire_signals(self):
         self._viewer.connection_changed.connect(self._on_connection_changed)
         self._viewer.moved_nodes.connect(self._on_nodes_moved)
         self._viewer.node_double_clicked.connect(self._on_node_double_clicked)
+        self._viewer.node_name_changed.connect(self._on_node_name_changed)
         self._viewer.insert_node.connect(self._insert_node)
 
-        # pass through signals.
+        # pass through translated signals.
         self._viewer.node_selected.connect(self._on_node_selected)
         self._viewer.node_selection_changed.connect(
             self._on_node_selection_changed)
@@ -254,6 +257,21 @@ def _on_property_bin_changed(self, node_id, prop_name, prop_value):
                 value = copy.deepcopy(prop_value)
             node.set_property(prop_name, value)
 
+    def _on_node_name_changed(self, node_id, name):
+        """
+        called when a node text qgraphics item in the viewer is edited.
+        (sets the name through the node object so undo commands are registered.)
+
+        Args:
+            node_id (str): node id emitted by the viewer.
+            name (str): new node name.
+        """
+        node = self.get_node_by_id(node_id)
+        node.set_name(name)
+
+        # TODO: not sure about redrawing the node here.
+        node.view.draw_node()
+
     def _on_node_double_clicked(self, node_id):
         """
         called when a node in the viewer is double click.

NodeGraphQt/base/node.py

@@ -2,6 +2,7 @@
 from .commands import PropertyChangedCmd
 from .model import NodeModel
 from .port import Port
+from .utils import update_node_down_stream
 from ..constants import (NODE_PROP,
                          NODE_PROP_QLINEEDIT,
                          NODE_PROP_QTEXTEDIT,
@@ -23,7 +24,6 @@
                                     NodeIntEdit,
                                     NodeCheckBox,
                                     NodeFilePath)
-from .utils import update_node_down_stream
 
 
 class classproperty(object):
@@ -528,7 +528,6 @@ def __init__(self):
         self._inputs = []
         self._outputs = []
         self._has_draw = False
-        self._view.text_item.editingFinished.connect(self.set_name)
 
     def draw(self, force=True):
         """

NodeGraphQt/pkg_info.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-__version__ = '0.1.2'
+__version__ = '0.1.1'
 __status__ = 'Work in Progress'
 __license__ = 'MIT'
 

NodeGraphQt/qgraphics/node_abstract.py

@@ -162,7 +162,8 @@ def visible(self, visible=False):
     def xy_pos(self):
         """
         return the item scene postion.
-        ("node.pos" conflicted with "QGraphicsItem.pos()" so it was refactored to "xy_pos".)
+        ("node.pos" conflicted with "QGraphicsItem.pos()"
+        so it was refactored to "xy_pos".)
 
         Returns:
             list[float]: x, y scene position.
@@ -173,7 +174,8 @@ def xy_pos(self):
     def xy_pos(self, pos=None):
         """
         set the item scene postion.
-        ("node.pos" conflicted with "QGraphicsItem.pos()" so it was refactored to "xy_pos".)
+        ("node.pos" conflicted with "QGraphicsItem.pos()"
+        so it was refactored to "xy_pos".)
 
         Args:
             pos (list[float]): x, y scene position.
@@ -231,7 +233,8 @@ def from_dict(self, node_dict):
         node_attrs = list(self._properties.keys()) + ['width', 'height', 'pos']
         for name, value in node_dict.items():
             if name in node_attrs:
-                # "node.pos" conflicted with "QGraphicsItem.pos()" so it's refactored to "xy_pos".
+                # "node.pos" conflicted with "QGraphicsItem.pos()"
+                # so it's refactored to "xy_pos".
                 if name == 'pos':
                     name = 'xy_pos'
                 setattr(self, name, value)