60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
from PyQt5.QtWidgets import QPushButton
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from PyQt5.QtCore import pyqtSlot
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class DoubleTextButton(QPushButton):
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"""Subclass QPushButton.
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A click will deactivate/activate a series of 'slave' widgets depending
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on the 'checked' status of the button."""
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def __init__(self, parent=None):
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"""Extends QPushButton.__init__."""
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super().__init__(parent)
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self.clicked.connect(self._manage_click)
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def set_texts(self, text_a, text_b):
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"""Set the two texts to be displayed."""
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self._text_a = text_a
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self._text_b = text_b
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def set_slave_filters(self, simple_ones=None,
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radio_1=None,
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ruled_by_radio_1=None,
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radio_2=None,
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ruled_by_radio_2=None):
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"""Set all the 'slave' widgets.
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Keyword arguments:
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simple_ones -- a list of widgets.
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radio_1 -- a radio button.
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ruled_by_radio_1 -- a list of widgets whose status depend upon radio_1.
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radio_2 -- a radio button.
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ruled_by_radio_2 -- a list of widgets whose status depend upon radio_2."""
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self._simple_ones = simple_ones
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self._ruled_by_radio_1 = ruled_by_radio_1
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self._radio_1 = radio_1
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self._ruled_by_radio_2 = ruled_by_radio_2
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self._radio_2 = radio_2
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@pyqtSlot()
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def _manage_click(self):
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"""Set the status of all the 'slave widgets' based on the status of the instance."""
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if self.isChecked():
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self.setText(self._text_b)
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enable = False
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else:
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self.setText(self._text_a)
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enable = True
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for f in self._simple_ones:
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f.setEnabled(enable)
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radio_btns = self._radio_1, self._radio_2
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ruled_widgets = self._ruled_by_radio_1, self._ruled_by_radio_2
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for radio_btn, ruled_by in zip(radio_btns, ruled_widgets):
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if ruled_by:
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for f in ruled_by:
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if radio_btn.isChecked():
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f.setEnabled(enable)
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else:
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f.setEnabled(False)
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