class FitParam(object):
def __init__(
self,
name,
value,
min,
max,
logscale=False,
steps=5000,
format="%.3f",
size_offset=0,
unit="",
):
self.name = name
self.value = value
self.min = min
self.max = max
self.logscale = logscale
self.steps = steps
self.format = format
self.unit = unit
self.prefix_label = None
self.lineedit = None
self.unit_label = None
self.slider = None
self.button = None
self._widgets = []
self._size_offset = size_offset
self._refresh_callback = None
self.dataset = FitParamDataSet(title=_("Curve fitting parameter"))
def copy(self):
"""Return a copy of this fitparam"""
return self.__class__(
self.name,
self.value,
self.min,
self.max,
self.logscale,
self.steps,
self.format,
self._size_offset,
self.unit,
)
def create_widgets(self, parent, refresh_callback):
self._refresh_callback = refresh_callback
self.prefix_label = QLabel()
font = self.prefix_label.font()
font.setPointSize(font.pointSize() + self._size_offset)
self.prefix_label.setFont(font)
self.button = QPushButton()
self.button.setIcon(get_icon("settings.png"))
self.button.setToolTip(
_("Edit '%s' fit parameter properties") % self.name)
self.button.clicked.connect(lambda: self.edit_param(parent))
self.lineedit = QLineEdit()
self.lineedit.editingFinished.connect(self.line_editing_finished)
self.unit_label = QLabel(self.unit)
self.slider = QSlider()
self.slider.setOrientation(Qt.Horizontal)
self.slider.setRange(0, self.steps - 1)
self.slider.valueChanged.connect(self.slider_value_changed)
self.update(refresh=False)
self.add_widgets([
self.prefix_label,
self.lineedit,
self.unit_label,
self.slider,
self.button,
])
def add_widgets(self, widgets):
self._widgets += widgets
def get_widgets(self):
return self._widgets
def set_scale(self, state):
self.logscale = state > 0
self.update_slider_value()
def set_text(self, fmt=None):
style = "<span style='color: #444444'><b>%s</b></span>"
self.prefix_label.setText(style % self.name)
if self.value is None:
value_str = ""
else:
if fmt is None:
fmt = self.format
value_str = fmt % self.value
self.lineedit.setText(value_str)
self.lineedit.setDisabled(self.value == self.min
and self.max == self.min)
def line_editing_finished(self):
try:
self.value = float(self.lineedit.text())
except ValueError:
self.set_text()
self.update_slider_value()
self._refresh_callback()
def slider_value_changed(self, int_value):
if self.logscale:
total_delta = np.log10(1 + self.max - self.min)
self.value = (self.min + 10**(total_delta * int_value /
(self.steps - 1)) - 1)
else:
total_delta = self.max - self.min
self.value = self.min + total_delta * int_value / (self.steps - 1)
self.set_text()
self._refresh_callback()
def update_slider_value(self):
if self.value is None or self.min is None or self.max is None:
self.slider.setEnabled(False)
if self.slider.parent() and self.slider.parent().isVisible():
self.slider.show()
elif self.value == self.min and self.max == self.min:
self.slider.hide()
else:
self.slider.setEnabled(True)
if self.slider.parent() and self.slider.parent().isVisible():
self.slider.show()
if self.logscale:
value_delta = max([np.log10(1 + self.value - self.min), 0.0])
total_delta = np.log10(1 + self.max - self.min)
else:
value_delta = self.value - self.min
total_delta = self.max - self.min
intval = int(self.steps * value_delta / total_delta)
self.slider.blockSignals(True)
self.slider.setValue(intval)
self.slider.blockSignals(False)
def edit_param(self, parent):
update_dataset(self.dataset, self)
if self.dataset.edit(parent=parent):
restore_dataset(self.dataset, self)
if self.value > self.max:
self.max = self.value
if self.value < self.min:
self.min = self.value
self.update()
def update(self, refresh=True):
self.unit_label.setText(self.unit)
self.slider.setRange(0, self.steps - 1)
self.update_slider_value()
self.set_text()
if refresh:
self._refresh_callback()
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE, State.DISABLE)
Can be run independently by:
from mantidqt.widgets.sliceviewer.dimensionwidget import Dimension
from qtpy.QtWidgets import QApplication
app = QApplication([])
window = Dimension({'minimum':-1.1, 'number_of_bins':11, 'width':0.2, 'name':'Dim0', 'units':'A'})
window.show()
app.exec_()
"""
def __init__(self, dim_info, number=0, state=State.NONE, parent=None):
super().__init__(parent)
self.minimum = dim_info['minimum']
self.nbins = dim_info['number_of_bins']
self.width = dim_info['width']
self.number = number
self.layout = QHBoxLayout(self)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setFixedSize(32, 32)
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
self.y = QPushButton('Y')
self.y.setFixedSize(32, 32)
self.y.setCheckable(True)
self.y.clicked.connect(self.y_clicked)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.nbins - 1)
self.slider.valueChanged.connect(self.slider_changed)
self.spinbox = QDoubleSpinBox()
self.spinbox.setDecimals(3)
self.spinbox.setRange(self.get_bin_center(0),
self.get_bin_center(self.nbins - 1))
self.spinbox.setSingleStep(self.width)
self.spinbox.editingFinished.connect(self.spinbox_changed)
self.layout.addWidget(self.name)
self.layout.addWidget(self.x)
self.layout.addWidget(self.y)
self.layout.addWidget(self.slider, stretch=1)
self.layout.addStretch(0)
self.layout.addWidget(self.spinbox)
self.layout.addWidget(self.units)
self.set_value(0)
if self.nbins < 2:
state = State.DISABLE
self.set_state(state)
def set_state(self, state):
self.state = state
if self.state == State.X:
self.x.setChecked(True)
self.y.setChecked(False)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.Y:
self.x.setChecked(False)
self.y.setChecked(True)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.NONE:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
else:
self.x.setChecked(False)
self.x.setDisabled(True)
self.y.setChecked(False)
self.y.setDisabled(True)
self.slider.hide()
self.spinbox.show()
self.spinbox.setDisabled(True)
self.units.show()
def get_state(self):
return self.state
def x_clicked(self):
old_state = self.state
self.set_state(State.X)
if self.state != old_state:
self.stateChanged.emit(self.number)
def y_clicked(self):
old_state = self.state
self.set_state(State.Y)
if self.state != old_state:
self.stateChanged.emit(self.number)
def spinbox_changed(self):
self.value = self.spinbox.value()
self.update_slider()
def slider_changed(self):
self.value = self.get_bin_center(self.slider.value())
self.update_spinbox()
self.valueChanged.emit()
def get_bin_center(self, n):
return (n + 0.5) * self.width + self.minimum
def update_slider(self):
i = (self.value - self.minimum) / self.width
self.slider.setValue(int(min(max(i, 0), self.nbins - 1)))
def update_spinbox(self):
self.spinbox.setValue(self.value)
def set_value(self, value):
self.value = value
self.update_slider()
self.update_spinbox()
def get_value(self):
return self.value
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE, State.DISBALE)
Can be run independently by:
from mantidqt.widgets.sliceviewer.dimensionwidget import Dimension
from qtpy.QtWidgets import QApplication
app = QApplication([])
window = Dimension({'minimum':-1.1, 'number_of_bins':11, 'width':0.2, 'name':'Dim0', 'units':'A'})
window.show()
app.exec_()
"""
def __init__(self, dim_info, number=0, state=State.NONE, parent=None):
super(Dimension, self).__init__(parent)
self.minimum = dim_info['minimum']
self.nbins = dim_info['number_of_bins']
self.width = dim_info['width']
self.number = number
self.layout = QHBoxLayout(self)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setFixedSize(32,32)
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
self.y = QPushButton('Y')
self.y.setFixedSize(32,32)
self.y.setCheckable(True)
self.y.clicked.connect(self.y_clicked)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.nbins-1)
self.slider.valueChanged.connect(self.slider_changed)
self.spinbox = QDoubleSpinBox()
self.spinbox.setDecimals(3)
self.spinbox.setRange(self.get_bin_center(0), self.get_bin_center(self.nbins-1))
self.spinbox.setSingleStep(self.width)
self.spinbox.valueChanged.connect(self.spinbox_changed)
self.layout.addWidget(self.name)
self.layout.addWidget(self.x)
self.layout.addWidget(self.y)
self.layout.addWidget(self.slider, stretch=1)
self.layout.addStretch(0)
self.layout.addWidget(self.spinbox)
self.layout.addWidget(self.units)
self.set_value(0)
if self.nbins < 2:
state = State.DISABLE
self.set_state(state)
def set_state(self, state):
self.state = state
if self.state == State.X:
self.x.setChecked(True)
self.y.setChecked(False)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.Y:
self.x.setChecked(False)
self.y.setChecked(True)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.NONE:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
else:
self.x.setChecked(False)
self.x.setDisabled(True)
self.y.setChecked(False)
self.y.setDisabled(True)
self.slider.hide()
self.spinbox.show()
self.spinbox.setDisabled(True)
self.units.show()
def get_state(self):
return self.state
def x_clicked(self):
old_state = self.state
self.set_state(State.X)
if self.state != old_state:
self.stateChanged.emit(self.number)
def y_clicked(self):
old_state = self.state
self.set_state(State.Y)
if self.state != old_state:
self.stateChanged.emit(self.number)
def spinbox_changed(self):
self.value = self.spinbox.value()
self.update_slider()
self.valueChanged.emit()
def slider_changed(self):
self.value = self.get_bin_center(self.slider.value())
self.update_spinbox()
self.valueChanged.emit()
def get_bin_center(self, n):
return (n+0.5)*self.width+self.minimum
def update_slider(self):
i = (self.value-self.minimum)/self.width
self.slider.setValue(int(min(max(i, 0), self.nbins-1)))
def update_spinbox(self):
self.spinbox.setValue(self.value)
def set_value(self, value):
self.value = value
self.update_slider()
self.update_spinbox()
def get_value(self):
return self.value