class RowPanel(QWidget):
def __init__(self, name):
QWidget.__init__(self)
self.__name = name
self.__layout_queue = []
self.setMinimumWidth(500)
self.__layout = QGridLayout()
""" @type: QGridLayout """
self.setLayout(self.__layout)
self.__row = 0
self.__widgets = {}
self.__layout.setColumnMinimumWidth(0, 20)
self.__layout.setColumnMinimumWidth(6, 20)
self.__popups = []
def getName(self):
return self.__name
def __startNewRow(self):
self.__layout.setRowStretch(self.__row, 0)
def __rowFinished(self):
self.__row += 2
self.__layout.setRowStretch(self.__row, 1)
def addRow(self, row_widget, configurator=None):
"""
Add a new row on a configuration page. Returns the row widget.
If the row does not have a getLabel() function the row spans both columns.
@rtype: QWidget
"""
assert hasattr(row_widget, "getLabel"), "Widget must have a getLabel() method"
self.__startNewRow()
if row_widget.getLabel() is None or row_widget.getLabel() == "":
self.__layout.addWidget(row_widget, self.__row, 1, 1, 3)
else:
self.__layout.addWidget(QLabel(row_widget.getLabel()), self.__row, 1, Qt.AlignLeft | Qt.AlignTop)
self.__layout.addWidget(row_widget, self.__row, 3)
if not configurator is None:
button = self.__addConfigurationButton(configurator)
self.__layout.addWidget(button, self.__row, 5)
self.__widgets[row_widget] = self.__row
self.__rowFinished()
def startTabs(self, name_of_first_tab):
self.__tab_widget = QTabWidget()
self.__layout_queue.append(self.__layout)
self.__layout = None
self.addTab(name_of_first_tab)
def addTab(self, name):
self.__layout = QGridLayout()
widget = QWidget()
widget.setLayout(self.__layout)
self.__tab_widget.addTab(widget, name)
def endTabs(self):
self.__layout = self.__layout_queue.pop()
""" @type: QGridLayout """
self.__startNewRow()
self.__layout.addWidget(self.__tab_widget, self.__row, 1, 1, 5)
self.__rowFinished()
self.__tab_widget = None
def startGroup(self, group_title):
"""Start a titled sub group on the page."""
self.__group_box = QGroupBox(group_title)
self.__layout_queue.append(self.__layout)
self.__layout = QGridLayout()
def endGroup(self):
"""Finish the titled sub group"""
self.__group_box.setLayout(self.__layout)
self.__layout = self.__layout_queue.pop()
""" @type: QGridLayout """
self.__layout.addRow(self.__group_box)
self.__group_box = None
def addLabeledSeparator(self, label):
"""Adds a labeled separator line to the panel."""
widget = QWidget()
layout = QVBoxLayout()
widget.setLayout(layout)
h_layout = QHBoxLayout()
frame = QFrame()
frame.setFrameShape(QFrame.HLine)
frame.setFrameShadow(QFrame.Sunken)
h_layout.addWidget(QLabel(label))
h_layout.addWidget(frame, 1, Qt.AlignBottom)
layout.addSpacing(2)
layout.addLayout(h_layout)
layout.addSpacing(0)
# widget.setStyleSheet("background-color: #ffff00")
self.__startNewRow()
self.__layout.addWidget(widget, self.__row, 0, 1, 7)
self.__rowFinished()
def addSeparator(self):
widget = QWidget()
layout = QVBoxLayout()
widget.setLayout(layout)
frame = QFrame()
frame.setFrameShape(QFrame.HLine)
frame.setFrameShadow(QFrame.Sunken)
layout.addSpacing(5)
layout.addWidget(frame)
layout.addSpacing(5)
self.__startNewRow()
self.__layout.addWidget(widget, self.__row, 1, 1, 5)
self.__rowFinished()
def __addConfigurationButton(self, configurator):
popup = PopupDialog(configurator.getName(), configurator, self)
button = popup.getButton()
button.setText("Configure")
self.__popups.append(popup)
return button
def addSpace(self, size=5):
"""Creates a widget that can be used as spacing on a panel."""
space = QWidget()
space.setMinimumSize(QSize(size, size))
self.__startNewRow()
self.__layout.addWidget(space, self.__row, 1, 1, 5)
self.__rowFinished()
def __init__(self, parent=None):
super().__init__(parent)
self.data = None
self.preprocessors = None
box = gui.widgetBox(self.controlArea, self.tr("Name"))
gui.lineEdit(box, self, "learner_name")
form = QGridLayout()
typebox = gui.radioButtonsInBox(
self.controlArea,
self,
"lossfunc",
[],
orientation=form,
)
# Loss function control
box = gui.widgetBox(self.controlArea,
self.tr("Loss function to be used"))
buttonbox = gui.radioButtonsInBox(box,
self,
"loss_function",
btnLabels=[
"Squared loss", "Huber",
"Epsilon insensitive",
"Squared Epsilon insensitive"
],
callback=self._on_func_changed)
parambox = gui.widgetBox(box, orientation="horizontal")
box = gui.widgetBox(self.controlArea, self.tr("Penalty"))
buttonbox = gui.radioButtonsInBox(box,
self,
"penalty_type",
btnLabels=[
"Absolute norm (L1)",
"Euclidean norm (L2)",
"Elastic Net (both)"
],
callback=self._on_penalty_changed)
parambox = gui.widgetBox(box, orientation="horizontal")
box = gui.widgetBox(self.controlArea, self.tr("Learning rate"))
buttonbox = gui.radioButtonsInBox(
box,
self,
"learning_rate",
btnLabels=["Inverse scaling", "Constant"],
callback=self._on_lrate_changed)
box = gui.widgetBox(self.controlArea, self.tr("Constants"))
form = QtGui.QFormLayout()
form.setContentsMargins(0, 0, 0, 0)
box.layout().addLayout(form)
alpha = gui.doubleSpin(box, self, "alpha", 0.0, 10.0, step=0.0001)
form.addRow("Alpha:", alpha)
spin = gui.doubleSpin(box, self, "eta0", 0.0, 10, step=0.01)
form.addRow("Eta0:", spin)
epsilon = gui.doubleSpin(box, self, "epsilon", 0.0, 10.0, step=0.01)
form.addRow("Epsilon:", epsilon)
l1_ratio = gui.doubleSpin(box, self, "l1_ratio", 0.0, 10.0, step=0.01)
form.addRow("L1 ratio:", l1_ratio)
power_t = gui.doubleSpin(box, self, "power_t", 0.0, 10.0, step=0.01)
form.addRow("Power t:", power_t)
# Number of iterations control
box = gui.widgetBox(self.controlArea, "Number of iterations")
gui.doubleSpin(box, self, "n_iter", 0, 1e+6, step=1)
self._func_params = [epsilon]
self._penalty_params = [l1_ratio]
self._lrate_params = [power_t]
gui.button(self.controlArea,
self,
"&Apply",
callback=self.apply,
default=True)
self.setSizePolicy(
QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
QtGui.QSizePolicy.Fixed))
self.setMinimumWidth(300)
self._on_func_changed()
self.apply()
def __init__(self):
super().__init__()
self.data = None
self.preprocessors = None
box = gui.widgetBox(self.controlArea, self.tr("Name"))
gui.lineEdit(box, self, "learner_name")
form = QGridLayout()
typebox = gui.radioButtonsInBox(self.controlArea, self, "lossfunc", [], orientation=form)
# Loss function control
box = gui.widgetBox(self.controlArea, self.tr("Loss function to be used"))
buttonbox = gui.radioButtonsInBox(
box,
self,
"loss_function",
btnLabels=["Squared loss", "Huber", "Epsilon insensitive", "Squared Epsilon insensitive"],
callback=self._on_func_changed,
)
parambox = gui.widgetBox(box, orientation="horizontal")
box = gui.widgetBox(self.controlArea, self.tr("Penalty"))
buttonbox = gui.radioButtonsInBox(
box,
self,
"penalty_type",
btnLabels=["Absolute norm (L1)", "Euclidean norm (L2)", "Elastic Net (both)"],
callback=self._on_penalty_changed,
)
parambox = gui.widgetBox(box, orientation="horizontal")
box = gui.widgetBox(self.controlArea, self.tr("Learning rate"))
buttonbox = gui.radioButtonsInBox(
box, self, "learning_rate", btnLabels=["Inverse scaling", "Constant"], callback=self._on_lrate_changed
)
box = gui.widgetBox(self.controlArea, self.tr("Constants"))
form = QtGui.QFormLayout()
form.setContentsMargins(0, 0, 0, 0)
box.layout().addLayout(form)
alpha = gui.doubleSpin(box, self, "alpha", 0.0, 10.0, step=0.0001)
form.addRow("Alpha:", alpha)
spin = gui.doubleSpin(box, self, "eta0", 0.0, 10, step=0.01)
form.addRow("Eta0:", spin)
epsilon = gui.doubleSpin(box, self, "epsilon", 0.0, 10.0, step=0.01)
form.addRow("Epsilon:", epsilon)
l1_ratio = gui.doubleSpin(box, self, "l1_ratio", 0.0, 10.0, step=0.01)
form.addRow("L1 ratio:", l1_ratio)
power_t = gui.doubleSpin(box, self, "power_t", 0.0, 10.0, step=0.01)
form.addRow("Power t:", power_t)
# Number of iterations control
box = gui.widgetBox(self.controlArea, "Number of iterations")
gui.doubleSpin(box, self, "n_iter", 0, 1e6, step=1)
self._func_params = [epsilon]
self._penalty_params = [l1_ratio]
self._lrate_params = [power_t]
gui.button(self.controlArea, self, "&Apply", callback=self.apply, default=True)
self._on_func_changed()
self.apply()
class RowPanel(QWidget):
def __init__(self, name):
QWidget.__init__(self)
self.__name = name
self.__layout_queue = []
self.setMinimumWidth(500)
self.__layout = QGridLayout()
""" @type: QGridLayout """
self.setLayout(self.__layout)
self.__row = 0
self.__widgets = {}
self.__layout.setColumnMinimumWidth(0, 20)
self.__layout.setColumnMinimumWidth(6, 20)
self.__popups = []
def getName(self):
return self.__name
def __startNewRow(self):
self.__layout.setRowStretch(self.__row, 0)
def __rowFinished(self):
self.__row += 2
self.__layout.setRowStretch(self.__row, 1)
def addRow(self,
row_widget,
configurator=None,
configuration_title="Configure"):
"""
Add a new row on a configuration page. Returns the row widget.
If the row does not have a getLabel() function the row spans both columns.
@rtype: QWidget
"""
assert hasattr(row_widget,
"getLabel"), "Widget must have a getLabel() method"
self.__startNewRow()
if row_widget.getLabel() is None or row_widget.getLabel() == "":
self.__layout.addWidget(row_widget, self.__row, 1, 1, 3)
else:
self.__layout.addWidget(QLabel(row_widget.getLabel()), self.__row,
1, Qt.AlignLeft | Qt.AlignTop)
self.__layout.addWidget(row_widget, self.__row, 3)
if not configurator is None:
self.__layout.setColumnMinimumWidth(4, 20)
button = self.__addConfigurationButton(configurator,
configuration_title)
self.__layout.addWidget(button, self.__row, 5)
self.__widgets[row_widget] = self.__row
self.__rowFinished()
def startTabs(self, name_of_first_tab):
self.__tab_widget = QTabWidget()
self.__layout_queue.append(self.__layout)
self.__layout = None
self.addTab(name_of_first_tab)
def addTab(self, name):
self.__layout = QGridLayout()
widget = QWidget()
widget.setLayout(self.__layout)
self.__tab_widget.addTab(widget, name)
def endTabs(self):
self.__layout = self.__layout_queue.pop()
""" @type: QGridLayout """
self.__startNewRow()
self.__layout.addWidget(self.__tab_widget, self.__row, 1, 1, 5)
self.__rowFinished()
self.__tab_widget = None
def startGroup(self, group_title):
"""Start a titled sub group on the page."""
self.__group_box = QGroupBox(group_title)
self.__layout_queue.append(self.__layout)
self.__layout = QGridLayout()
def endGroup(self):
"""Finish the titled sub group"""
self.__group_box.setLayout(self.__layout)
self.__layout = self.__layout_queue.pop()
""" @type: QGridLayout """
self.__layout.addRow(self.__group_box)
self.__group_box = None
def addLabeledSeparator(self, label):
"""Adds a labeled separator line to the panel."""
widget = QWidget()
layout = QVBoxLayout()
widget.setLayout(layout)
h_layout = QHBoxLayout()
frame = QFrame()
frame.setFrameShape(QFrame.HLine)
frame.setFrameShadow(QFrame.Sunken)
h_layout.addWidget(QLabel(label))
h_layout.addWidget(frame, 1, Qt.AlignBottom)
layout.addSpacing(2)
layout.addLayout(h_layout)
layout.addSpacing(0)
# widget.setStyleSheet("background-color: #ffff00")
self.__startNewRow()
self.__layout.addWidget(widget, self.__row, 0, 1, 7)
self.__rowFinished()
def addSeparator(self):
widget = QWidget()
layout = QVBoxLayout()
widget.setLayout(layout)
frame = QFrame()
frame.setFrameShape(QFrame.HLine)
frame.setFrameShadow(QFrame.Sunken)
layout.addSpacing(5)
layout.addWidget(frame)
layout.addSpacing(5)
self.__startNewRow()
self.__layout.addWidget(widget, self.__row, 1, 1, 5)
self.__rowFinished()
def __addConfigurationButton(self, configurator, configuration_title):
popup = PopupDialog(configurator.getName(), configurator, self)
button = popup.getButton()
button.setText(configuration_title)
self.__popups.append(popup)
return button
def addSpace(self, size=5):
"""Creates a widget that can be used as spacing on a panel."""
space = QWidget()
space.setMinimumSize(QSize(size, size))
self.__startNewRow()
self.__layout.addWidget(space, self.__row, 1, 1, 5)
self.__rowFinished()
