def update_contents(self):
self.prepareGeometryChange()
self.setTextWidth(-1)
self.setTextWidth(self.document().idealWidth())
self.droplet.setPos(self.rect().center().x(), self.rect().height())
self.droplet.setVisible(bool(self.branches))
fm = QFontMetrics(self.document().defaultFont())
attr = self.node_inst.attr
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
if self.pie is not None:
self.pie.setPos(self.rect().right(), self.rect().center().y())
def update_contents(self):
self.prepareGeometryChange()
self.setTextWidth(-1)
self.setTextWidth(self.document().idealWidth())
self.droplet.setPos(self.rect().center().x(), self.rect().height())
self.droplet.setVisible(bool(self.branches))
fm = QFontMetrics(self.document().defaultFont())
attr = self.tree_adapter.attribute(self.node_inst)
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
if self.pie is not None:
self.pie.setPos(self.rect().right(), self.rect().center().y())
def defaultTextGeometry(self, point):
"""
Return the default text geometry. Used in case the user single
clicked in the scene.
"""
font = self.annotation_item.font()
metrics = QFontMetrics(font)
spacing = metrics.lineSpacing()
margin = self.annotation_item.document().documentMargin()
rect = QRectF(QPointF(point.x(), point.y() - spacing - margin),
QSizeF(150, spacing + 2 * margin))
return rect
def defaultTextGeometry(self, point):
"""
Return the default text geometry. Used in case the user single
clicked in the scene.
"""
font = self.annotation_item.font()
metrics = QFontMetrics(font)
spacing = metrics.lineSpacing()
margin = self.annotation_item.document().documentMargin()
rect = QRectF(QPointF(point.x(), point.y() - spacing - margin),
QSizeF(150, spacing + 2 * margin))
return rect
def __init__(self, model, node_inst, parent=None):
super().__init__(parent)
self.model = model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = node_inst.attr
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if model.domain.class_var.is_discrete:
self.pie = PieChart(node_inst.value, 8, self)
else:
self.pie = None
def __init__(self, model, node_inst, parent=None):
super().__init__(parent)
self.model = model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = node_inst.attr
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if model.domain.class_var.is_discrete:
self.pie = PieChart(node_inst.value, 8, self)
else:
self.pie = None
def __init__(self, tree_adapter, node_inst, parent=None):
super().__init__(parent)
self.tree_adapter = tree_adapter
self.model = self.tree_adapter.model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = self.tree_adapter.attribute(node_inst)
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if self.model.domain.class_var.is_discrete:
self.pie = PieChart(self.tree_adapter.get_distribution(node_inst)[0], 8, self)
else:
self.pie = None
def __init__(self, tree_adapter, node_inst, parent=None):
super().__init__(parent)
self.tree_adapter = tree_adapter
self.model = self.tree_adapter.model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = self.tree_adapter.attribute(node_inst)
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if self.model.domain.class_var.is_discrete:
self.pie = PieChart(self.tree_adapter.get_distribution(node_inst)[0], 8, self)
else:
self.pie = None
def sizeHint(self, which: Qt.SizeHint, constraint=QSizeF()) -> QSizeF:
# reimplemented
fm = QFontMetrics(self.font())
spacing = fm.lineSpacing()
mleft, mtop, mright, mbottom = self.getContentsMargins()
if self._root and which == Qt.PreferredSize:
nleaves = len(
[node for node in self._items.keys() if not node.branches])
base = max(10, min(spacing * 16, 250))
if self.orientation in [self.Left, self.Right]:
return QSizeF(base, spacing * nleaves + mleft + mright)
else:
return QSizeF(spacing * nleaves + mtop + mbottom, base)
elif which == Qt.MinimumSize:
return QSizeF(mleft + mright + 10, mtop + mbottom + 10)
else:
return QSizeF()
