Restructure items

NodeGraphQt/base/factory.py

@@ -49,7 +49,7 @@ def register_node(self, node, alias=None):
 
         Args:
             node (Node): node item
-            alias (str): custom alias for the node (optional).
+            alias (str): custom alias for the node identifier (optional).
         """
         if node is None:
             return
@@ -64,12 +64,10 @@ def register_node(self, node, alias=None):
                 .format(node_type))
         self.__nodes[node_type] = node
 
-        if self.__names.get(node_type):
-            raise NodeRegistrationError(
-                'Node Name: {} already exists!'
-                'Please specify a new node name for node: {}'
-                .format(name, node_type))
-        self.__names[name] = node_type
+        if self.__names.get(name):
+            self.__names[name].append(node_type)
+        else:
+            self.__names[name] = [node_type]
 
         if alias:
             if self.__aliases.get(alias):

NodeGraphQt/base/model.py

@@ -70,6 +70,7 @@ def __init__(self):
         # store the property attributes.
         # (deleted when node is added to the graph)
         self._TEMP_property_attrs = {}
+
         # temp store the property widget types.
         # (deleted when node is added to the graph)
         self._TEMP_property_widget_types = {

NodeGraphQt/base/node.py

@@ -8,8 +8,11 @@
                                    NODE_PROP_QCHECKBOX,
                                    IN_PORT, OUT_PORT)
 from NodeGraphQt.errors import PortRegistrationError
-from NodeGraphQt.widgets.node_backdrop import BackdropNodeItem
-from NodeGraphQt.widgets.node_base import NodeItem
+from NodeGraphQt.qgraphics.node_backdrop import BackdropNodeItem
+from NodeGraphQt.qgraphics.node_base import NodeItem
+from NodeGraphQt.widgets.node_property import (NodeComboBox,
+                                               NodeLineEdit,
+                                               NodeCheckBox)
 
 
 class classproperty(object):
@@ -392,7 +395,8 @@ def icon(self):
 
     def add_combo_menu(self, name='', label='', items=None, tab=None):
         """
-        Embed a :class:`PySide2.QtWidgets.QComboBox` widget into the node.
+        Create a custom property and embed a
+        :class:`PySide2.QtWidgets.QComboBox` widget into the node.
 
         Args:
             name (str): name for the custom property.
@@ -403,12 +407,15 @@ def add_combo_menu(self, name='', label='', items=None, tab=None):
         items = items or []
         self.create_property(
             name, items[0], items=items, widget_type=NODE_PROP_QCOMBO, tab=tab)
-        widget = self.view.add_combo_menu(name, label, items)
+
+        widget = NodeComboBox(self.view, name, label, items)
         widget.value_changed.connect(lambda k, v: self.set_property(k, v))
+        self.view.add_widget(widget)
 
     def add_text_input(self, name='', label='', text='', tab=None):
         """
-        Embed a :class:`PySide2.QtWidgets.QLineEdit` widget into the node.
+        Create a custom property and embed a
+        :class:`PySide2.QtWidgets.QLineEdit` widget into the node.
 
         Args:
             name (str): name for the custom property.
@@ -418,12 +425,14 @@ def add_text_input(self, name='', label='', text='', tab=None):
         """
         self.create_property(
             name, text, widget_type=NODE_PROP_QLINEEDIT, tab=tab)
-        widget = self.view.add_text_input(name, label, text)
+        widget = NodeLineEdit(self.view, name, label, text)
         widget.value_changed.connect(lambda k, v: self.set_property(k, v))
+        self.view.add_widget(widget)
 
     def add_checkbox(self, name='', label='', text='', state=False, tab=None):
         """
-        Embed a :class:`PySide2.QtWidgets.QCheckBox` widget into the node.
+        Create a custom property and embed a
+        :class:`PySide2.QtWidgets.QCheckBox` widget into the node.
 
         Args:
             name (str): name for the custom property.
@@ -434,8 +443,9 @@ def add_checkbox(self, name='', label='', text='', state=False, tab=None):
         """
         self.create_property(
             name, state, widget_type=NODE_PROP_QCHECKBOX, tab=tab)
-        widget = self.view.add_checkbox(name, label, text, state)
+        widget = NodeCheckBox(self.view, name, label, text, state)
         widget.value_changed.connect(lambda k, v: self.set_property(k, v))
+        self.view.add_widget(widget)
 
     def add_input(self, name='input', multi_input=False, display_name=True):
         """
@@ -451,7 +461,7 @@ def add_input(self, name='input', multi_input=False, display_name=True):
         """
         if name in self.inputs().keys():
             raise PortRegistrationError(
-                'port name "{}" already taken.'.format(name))
+                'port name "{}" already registered.'.format(name))
         view = self.view.add_input(name, multi_input, display_name)
         port = Port(self, view)
         port.model.type_ = IN_PORT
@@ -476,7 +486,7 @@ def add_output(self, name='output', multi_output=True, display_name=True):
         """
         if name in self.outputs().keys():
             raise PortRegistrationError(
-                'port name "{}" already taken.'.format(name))
+                'port name "{}" already registered.'.format(name))
         view = self.view.add_output(name, multi_output, display_name)
         port = Port(self, view)
         port.model.type_ = OUT_PORT

NodeGraphQt/constants.py

@@ -9,7 +9,8 @@
 PIPE_STYLE_DEFAULT = 'line'
 PIPE_STYLE_DASHED = 'dashed'
 PIPE_STYLE_DOTTED = 'dotted'
-PIPE_DEFAULT_COLOR = (146, 69, 39, 255)
+PIPE_DEFAULT_COLOR = (150, 80, 40, 255)
+PIPE_DISABLED_COLOR = (190, 20, 20, 255)
 PIPE_ACTIVE_COLOR = (70, 255, 220, 255)
 PIPE_HIGHLIGHT_COLOR = (232, 184, 13, 255)
 #: The draw the connection pipes as straight lines.

NodeGraphQt/widgets/node_abstract.py → NodeGraphQt/qgraphics/node_abstract.py

@@ -6,7 +6,7 @@
 
 class AbstractNodeItem(QtWidgets.QGraphicsItem):
     """
-    The abstract base class of a node item.
+    The base class of all node qgraphics item.
     """
 
     def __init__(self, name='node', parent=None):

NodeGraphQt/widgets/node_backdrop.py → NodeGraphQt/qgraphics/node_backdrop.py

@@ -4,9 +4,9 @@
 from NodeGraphQt.constants import (Z_VAL_PIPE,
                                    NODE_SEL_COLOR,
                                    NODE_SEL_BORDER_COLOR)
-from NodeGraphQt.widgets.node_abstract import AbstractNodeItem
-from NodeGraphQt.widgets.pipe import Pipe
-from NodeGraphQt.widgets.port import PortItem
+from NodeGraphQt.qgraphics.node_abstract import AbstractNodeItem
+from NodeGraphQt.qgraphics.pipe import Pipe
+from NodeGraphQt.qgraphics.port import PortItem
 
 
 class BackdropSizer(QtWidgets.QGraphicsItem):

NodeGraphQt/widgets/node_base.py → NodeGraphQt/qgraphics/node_base.py

@@ -7,12 +7,8 @@
                                    NODE_SEL_COLOR, NODE_SEL_BORDER_COLOR,
                                    Z_VAL_NODE, Z_VAL_NODE_WIDGET)
 from NodeGraphQt.errors import NodeWidgetError
-from NodeGraphQt.widgets.node_abstract import AbstractNodeItem
-from NodeGraphQt.widgets.node_widgets import (NodeBaseWidget,
-                                              NodeComboBox,
-                                              NodeLineEdit,
-                                              NodeCheckBox)
-from NodeGraphQt.widgets.port import PortItem
+from NodeGraphQt.qgraphics.node_abstract import AbstractNodeItem
+from NodeGraphQt.qgraphics.port import PortItem
 
 
 class XDisabledItem(QtWidgets.QGraphicsItem):
@@ -663,32 +659,10 @@ def get_output_text_item(self, port_item):
 
     @property
     def widgets(self):
-        return dict(self._widgets)
-
-    def add_combo_menu(self, name='', label='', items=None, tooltip=''):
-        items = items or []
-        widget = NodeComboBox(self, name, label, items)
-        widget.setToolTip(tooltip)
-        self.add_widget(widget)
-        return widget
-
-    def add_text_input(self, name='', label='', text='', tooltip=''):
-        widget = NodeLineEdit(self, name, label, text)
-        widget.setToolTip(tooltip)
-        self.add_widget(widget)
-        return widget
-
-    def add_checkbox(self, name='', label='', text='', state=False, tooltip=''):
-        widget = NodeCheckBox(self, name, label, text, state)
-        widget.setToolTip(tooltip)
-        self.add_widget(widget)
-        return widget
+        return self._widgets.copy()
 
     def add_widget(self, widget):
-        if isinstance(widget, NodeBaseWidget):
-            self._widgets[widget.name] = widget
-        else:
-            raise NodeWidgetError('{} is not an instance of a node widget.')
+        self._widgets[widget.name] = widget
 
     def get_widget(self, name):
         widget = self._widgets.get(name)

NodeGraphQt/widgets/pipe.py → NodeGraphQt/qgraphics/pipe.py

@@ -3,11 +3,12 @@
 
 from NodeGraphQt import QtCore, QtGui, QtWidgets
 from NodeGraphQt.constants import (
-    PIPE_DEFAULT_COLOR, PIPE_ACTIVE_COLOR, PIPE_HIGHLIGHT_COLOR,
+    PIPE_DEFAULT_COLOR, PIPE_ACTIVE_COLOR,
+    PIPE_HIGHLIGHT_COLOR, PIPE_DISABLED_COLOR,
     PIPE_STYLE_DASHED, PIPE_STYLE_DEFAULT, PIPE_STYLE_DOTTED,
     PIPE_LAYOUT_STRAIGHT, PIPE_WIDTH, IN_PORT, OUT_PORT, Z_VAL_PIPE
 )
-from NodeGraphQt.widgets.port import PortItem
+from NodeGraphQt.qgraphics.port import PortItem
 
 PIPE_STYLES = {
     PIPE_STYLE_DEFAULT: QtCore.Qt.SolidLine,
@@ -31,10 +32,10 @@ def __init__(self, input_port=None, output_port=None):
         self._highlight = False
         self._input_port = input_port
         self._output_port = output_port
-        size = 5.0
+        size = 6.0
         self._arrow = QtGui.QPolygonF()
         self._arrow.append(QtCore.QPointF(-size, size))
-        self._arrow.append(QtCore.QPointF(0.0, -size * 2))
+        self._arrow.append(QtCore.QPointF(0.0, -size * 1.5))
         self._arrow.append(QtCore.QPointF(size, size))
 
     def __repr__(self):
@@ -48,10 +49,11 @@ def hoverEnterEvent(self, event):
 
     def hoverLeaveEvent(self, event):
         self.reset()
-        if self.input_port.node.selected:
-            self.highlight()
-        elif self.output_port.node.selected:
-            self.highlight()
+        if self.input_port and self.output_port:
+            if self.input_port.node.selected:
+                self.highlight()
+            elif self.output_port.node.selected:
+                self.highlight()
 
     def paint(self, painter, option, widget):
         """
@@ -77,7 +79,8 @@ def paint(self, painter, option, widget):
             pen_style = PIPE_STYLES.get(PIPE_STYLE_DEFAULT)
 
         if self.disabled():
-            color.setAlpha(200)
+            if not self._active:
+                color = QtGui.QColor(*PIPE_DISABLED_COLOR)
             pen_width += 0.2
             pen_style = PIPE_STYLES.get(PIPE_STYLE_DOTTED)
 
@@ -108,7 +111,7 @@ def paint(self, painter, option, widget):
             elif self._active or self.disabled():
                 painter.setBrush(QtGui.QBrush(color.darker(200)))
             else:
-                painter.setBrush(QtGui.QBrush(color))
+                painter.setBrush(QtGui.QBrush(color.darker(130)))
 
             pen_width = 0.6
             if dist < 1.0:

NodeGraphQt/widgets/properties.py

@@ -9,7 +9,6 @@
                                    NODE_PROP_QSPINBOX,
                                    NODE_PROP_COLORPICKER,
                                    NODE_PROP_SLIDER)
-from NodeGraphQt.errors import NodePropertyError
 
 
 class BaseProperty(QtWidgets.QWidget):

NodeGraphQt/widgets/properties_bin.py

@@ -62,7 +62,7 @@ def __init__(self, parent=None):
         self._limit.setToolTip('Set node limit to display.')
         self._limit.setMaximum(10)
         self._limit.setMinimum(0)
-        self._limit.setValue(10)
+        self._limit.setValue(5)
         self._limit.valueChanged.connect(self.__on_limit_changed)
         self.resize(400, 400)
 

NodeGraphQt/widgets/stylesheet.py

@@ -2,12 +2,10 @@
 
 from NodeGraphQt.constants import ICON_DOWN_ARROW
 
-# we reformat the icon file path on windows os.
-regex = re.compile('(\w:)')
-match = regex.match(ICON_DOWN_ARROW)
+# Reformat the icon path on Windows OS.
+match = re.match('(\\w:)', ICON_DOWN_ARROW)
 if match:
-    match_str = match.group(1)
-    ICON_DOWN_ARROW = ICON_DOWN_ARROW[len(match_str):]
+    ICON_DOWN_ARROW = ICON_DOWN_ARROW[len(match.group(1)):]
     ICON_DOWN_ARROW = ICON_DOWN_ARROW.replace('\\', '/')
 
 STYLE_QGROUPBOX = '''

NodeGraphQt/widgets/tab_search.py

@@ -91,7 +91,13 @@ def mousePressEvent(self, event):
             self.completer().complete()
 
     def set_nodes(self, node_dict=None):
-        self._node_dict = node_dict or {}
+        self._node_dict = {}
+        for name, node_types in node_dict.items():
+            if len(node_types) == 1:
+                self._node_dict[name] = node_types[0]
+                continue
+            for node_id in node_types:
+                self._node_dict['{} ({})'.format(name, node_id)] = node_id
         node_names = sorted(self._node_dict.keys())
         self._model.setStringList(node_names)
         self._completer.setModel(self._model)

NodeGraphQt/widgets/viewer.py

@@ -7,10 +7,10 @@
                                    PIPE_LAYOUT_STRAIGHT,
                                    PIPE_STYLE_DASHED,
                                    SCENE_AREA)
-from NodeGraphQt.widgets.node_abstract import AbstractNodeItem
-from NodeGraphQt.widgets.node_backdrop import BackdropNodeItem
-from NodeGraphQt.widgets.pipe import Pipe
-from NodeGraphQt.widgets.port import PortItem
+from NodeGraphQt.qgraphics.node_abstract import AbstractNodeItem
+from NodeGraphQt.qgraphics.node_backdrop import BackdropNodeItem
+from NodeGraphQt.qgraphics.pipe import Pipe
+from NodeGraphQt.qgraphics.port import PortItem
 from NodeGraphQt.widgets.scene import NodeScene
 from NodeGraphQt.widgets.stylesheet import STYLE_QMENU
 from NodeGraphQt.widgets.tab_search import TabSearchWidget