def _add_low_label(self):
font = self.font()
font.setPixelSize(9)
item = QGraphicsSimpleTextItem("Low")
item.setFont(font)
item.setX(self.BAR_WIDTH + self.__offset)
item.setY(self.__bar_height - item.boundingRect().height())
self.__group.addToGroup(item)
def _add_high_label(self):
font = self.font()
font.setPixelSize(9)
item = QGraphicsSimpleTextItem("High")
item.setFont(font)
item.setX(self.BAR_WIDTH + self.__offset)
item.setY(0)
self.__group.addToGroup(item)
def _add_feature_label(self):
font = self.font()
font.setPixelSize(11)
item = QGraphicsSimpleTextItem("Feature value")
item.setRotation(-90)
item.setFont(font)
item.setX(self.BAR_WIDTH + self.__offset * 2)
item.setY(self.__bar_height / 2 + item.boundingRect().width() / 2)
self.__group.addToGroup(item)
class VariableItem(QGraphicsItemGroup):
MAX_ATTR_LEN = 25
MAX_LABEL_LEN = 150
VALUE_FONT_SETTING = {Updater.SIZE_LABEL: 12,
Updater.IS_ITALIC_LABEL: True}
def __init__(self, parent, label: str):
self.__name: str = None
self.__value: Optional[str] = None
self.__name_item = QGraphicsSimpleTextItem()
self.__value_item = QGraphicsSimpleTextItem()
font = Updater.change_font(QFont(), self.VALUE_FONT_SETTING)
self.__value_item.setFont(font)
self.__max_len = self.MAX_LABEL_LEN
super().__init__(parent)
self._set_data(label)
@property
def items(self):
return self.__name_item, self.__value_item
def boundingRect(self):
name_br = self.__name_item.boundingRect()
width = name_br.width()
height = name_br.height()
if self.__value_item is not None:
value_br = self.__value_item.boundingRect()
width = max(width, value_br.width())
height += value_br.height()
return QRectF(-width, 0, width, height)
def updateGeometry(self):
self.__elide()
self.__align_center()
self.__align_right()
def set_max_len(self, length: int):
self.__max_len = length
self.updateGeometry()
def _set_data(self, label: str):
split = label.split("=")
self.__name = split[0]
self.__name_item.setToolTip(self.__name)
self.updateGeometry() # align before adding to group
self.addToGroup(self.__name_item)
if len(split) > 1:
self.__value = split[1]
self.__value_item.setToolTip(self.__value)
self.updateGeometry() # align before adding to group
self.addToGroup(self.__value_item)
def __elide(self):
fm = QFontMetrics(self.__name_item.font())
text = fm.elidedText(self.__name, Qt.ElideRight, self.__max_len)
self.__name_item.setText(text)
if self.__value is not None:
fm = QFontMetrics(self.__value_item.font())
text = fm.elidedText(self.__value, Qt.ElideRight, self.__max_len)
self.__value_item.setText(text)
def __align_center(self):
if self.__value is not None:
self.__value_item.setY(self.__name_item.boundingRect().height())
def __align_right(self):
self.__name_item.setX(-self.__name_item.boundingRect().width())
if self.__value is not None:
self.__value_item.setX(-self.__value_item.boundingRect().width())
