class FloatElement(MeasElement):
"""Base for elements that are floating point numbers."""
def createWidget(self, parent, client):
if self.value is None:
self.value = 10.0
self._widget = QLineEdit(parent)
self._widget.setValidator(DoubleValidator(parent))
self._widget.setText('%g' % self.value)
self._widget.textChanged.connect(self._updateValue)
return self._widget
def _updateValue(self, text):
self.value = float(text.replace(',', '.'))
self.changed.emit(self.value)
class TimeEditWidget(QWidget):
units = ('s', 'm', 'h', 'd')
returnPressed = pyqtSignal()
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setLayout(QHBoxLayout())
self.layout().setContentsMargins(0.1, 0.1, 0.1, 0.1)
self.layout().setSpacing(1)
self.val = QLineEdit()
self.val.setValidator(QDoubleValidator(0, 1000000, 2))
self.layout().addWidget(self.val)
self.unit = QComboBox()
self.unit.insertItems(0, self.units)
self.layout().addWidget(self.unit)
self.setValue(1)
self.val.returnPressed.connect(self.on_returnPressed)
self.val.editingFinished.connect(self.on_returnPressed)
self.unit.currentIndexChanged.connect(self.recalcValue)
def value(self):
val = float(self.val.text())
current_unit_index = self.unit.currentIndex()
if current_unit_index == 1: # minutes
val *= 60.
elif current_unit_index == 2: # hours
val *= 3600.
elif current_unit_index == 3: # days
val *= 86400.
return int(val)
def setValue(self, val):
fmt = '%%.%df' % self.val.validator().decimals()
self.val.setText(fmt % float(val))
self.unit.setCurrentIndex(0)
self.currentUnit = 0
def recalcValue(self, idx):
# adjust widget value to unit
unit_index_current = self.currentUnit
unit_index_next = idx
if unit_index_next > unit_index_current:
start = unit_index_current
end = unit_index_next
elif unit_index_next < unit_index_current:
start = unit_index_next
end = unit_index_current
val = float(self.val.text())
factor = 1.
for i in range(start, end):
if self.units[i + 1] == 'd':
factor *= 24.
else:
factor *= 60.
if unit_index_next - unit_index_current > 0:
factor = 1. / factor
next_value = val * factor
self.val.setText('%s' % next_value)
self.currentUnit = idx
def on_returnPressed(self):
self.returnPressed.emit()