forked from IPKM/nmreval
66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
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from ..Qt import QtWidgets, QtCore
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class ExpandableWidget(QtWidgets.QWidget):
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expansionChanged = QtCore.pyqtSignal()
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self._init_ui()
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self._widget = None
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self._expanded = False
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self.toolButton.clicked.connect(self.changeVisibility)
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def _init_ui(self):
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self.verticalLayout = QtWidgets.QVBoxLayout(self)
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self.verticalLayout.setContentsMargins(0, 0, 0, 0)
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self.verticalLayout.setSpacing(0)
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self.horizontalLayout = QtWidgets.QHBoxLayout()
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self.horizontalLayout.setSpacing(0)
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self.toolButton = QtWidgets.QToolButton(self)
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self.toolButton.setArrowType(QtCore.Qt.RightArrow)
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self.toolButton.setStyleSheet('border: 0')
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self.toolButton.setToolButtonStyle(QtCore.Qt.ToolButtonTextBesideIcon)
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self.horizontalLayout.addWidget(self.toolButton)
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self.line = QtWidgets.QFrame(self)
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self.line.setFrameShape(QtWidgets.QFrame.HLine)
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self.horizontalLayout.addWidget(self.line)
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self.verticalLayout.addLayout(self.horizontalLayout)
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def addWidget(self, widget: QtWidgets.QWidget):
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self._widget = widget
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self._widget.setVisible(self._expanded)
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self.layout().addWidget(widget)
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def setText(self, text: str):
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self.toolButton.setText(text)
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def isExpanded(self):
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return self._expanded
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def changeVisibility(self):
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if not self._widget:
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return
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self.setExpansion(not self._expanded)
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self.expansionChanged.emit()
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def setExpansion(self, state: bool):
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self.blockSignals(True)
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if state:
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self.toolButton.setArrowType(QtCore.Qt.DownArrow)
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else:
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self.toolButton.setArrowType(QtCore.Qt.RightArrow)
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self._expanded = state
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self._widget.setVisible(state)
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self.blockSignals(False)
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