def _create_item(self, nid, node, obj, index=None):
"""Create a new TreeWidgetItem as per word_wrap policy.
Index is the index of the new node in the parent:
None implies append the child to the end.
"""
if index is None:
cnid = QtWidgets.QTreeWidgetItem(nid)
else:
cnid = QtWidgets.QTreeWidgetItem()
nid.insertChild(index, cnid)
cnid.setText(0, node.get_label(obj))
cnid.setIcon(0, self._get_icon(node, obj))
cnid.setToolTip(0, node.get_tooltip(obj))
color = node.get_background(obj)
if color:
cnid.setBackground(0, self._get_brush(color))
color = node.get_foreground(obj)
if color:
cnid.setForeground(0, self._get_brush(color))
return cnid
def create_widget(self, parent):
"""Create the QListView widget."""
# Create the list widget.
widget = QtWidgets.QListWidget(parent)
# Populate the widget.
self._set_widget_items(widget)
# Set the selection mode.
if self.multiselect:
mode = QtWidgets.QAbstractItemView.ExtendedSelection
selected = self.selected_items
else:
mode = QtWidgets.QAbstractItemView.SingleSelection
selected = [self.selected_item]
widget.setSelectionMode(mode)
self.proxy.widget = widget # Anticipated so that selection works
# Make sure the widget selection reflects the members.
if self.items:
self._select_on_widget(selected, widget)
widget.itemSelectionChanged.connect(self.on_selection)
return widget
def _insert_node(self, nid, index, node, obj):
"""Inserts a new node before a specified index into the children of
the specified node.
"""
cnid = self._create_item(nid, node, obj, index)
has_children = self._has_children(node, obj)
self._set_node_data(cnid, (False, node, obj))
self._map.setdefault(id(obj), []).append((node.get_children_id(obj), cnid))
self._add_listeners(node, obj)
# Automatically expand the new node (if requested):
if node.allows_children(obj):
if has_children and node.can_auto_open(obj):
cnid.setExpanded(True)
else:
# Qt only draws the control that expands the tree if there is a
# child. As the tree is being populated lazily we create a
# dummy that will be removed when the node is expanded for the
# first time.
cnid._dummy = QtWidgets.QTreeWidgetItem(cnid)
# Return the newly created node:
return cnid
def create_widget(self, parent):
"""Finishes initializing the editor by creating the underlying toolkit
widget.
"""
widget = QtWidgets.QTextEdit(parent)
widget.setReadOnly(True)
widget.setHtml(self.text)
return widget
def create_widget(self, parent):
"""Finishes initializing by creating the underlying toolkit widget.
"""
widget = QtWidgets.QLineEdit(parent)
self._completer = QDelimitedCompleter(widget, self.delimiters,
self.entries,
self.entries_updater)
widget.setText(self.text)
self.proxy.widget = widget # Anticipated so that selection works
widget.textEdited.connect(self.update_object)
return widget
def __init__(self, proxy, parent=None):
super().__init__(parent)
self.proxy = proxy
self.title_item = QtWidgets.QGraphicsTextItem(self)