def __init__(self, cuboid, name, parent=None):
"""
Args:
"""
QtGui.QWidget.__init__(self, parent)
self.cuboid_name = name
self.ui = Ui_xndarrayBrowser()
self.ui.setupUi(self)
domains = cuboid.get_axes_domains()
anames = cuboid.axes_names
self.slicers = dict((an,AxisSlicer(an, domains[an])) \
for an in anames)
self.slice_def = dict((an, domains[an][0]) for an in anames)
for an in anames:
slicer = self.slicers[an]
self.ui.verticalLayout.addWidget(slicer)
slicer._slice_value_changed.connect(self.handle_slice_value_changed)
slicer.axis_state_changed.connect(self.set_axis_state)
self.selection_fifo_max_size = 2
self.selection_fifo = LimitedFifo(self.selection_fifo_max_size,
on_pop=self.deselect_axis)
checked = QtCore.Qt.Checked
self.slicers[anames[0]].set_axis_selection_checkbox_state(checked)
if len(anames) > 1:
self.slicers[anames[1]].set_axis_selection_checkbox_state(checked)
self.ui.swap_button.clicked.connect(self.swap_current_axes)
class xndarrayBrowser(QtGui.QWidget):
"""
Signals:
- slice_changed(dict, tuple): emitted when the current slice changed Args are:
- (dict of <axis name (str)>:<DomainValue>): slice value for
each axis
- (tuple of <axis name (str)>): list of projected axes
"""
slice_changed = QtCore.pyqtSignal(dict, tuple, name='SliceChanged')
# projected_axes_changed = QtCore.pyqtSignal(name='ProjectedAxesChanged')
# projected_axes_swapped = QtCore.pyqtSignal(name='ProjectedAxesSwapped')
closing = QtCore.pyqtSignal(name='Closing')
def __init__(self, cuboid, name, parent=None):
"""
Args:
"""
QtGui.QWidget.__init__(self, parent)
self.cuboid_name = name
self.ui = Ui_xndarrayBrowser()
self.ui.setupUi(self)
domains = cuboid.get_axes_domains()
anames = cuboid.axes_names
self.slicers = dict((an,AxisSlicer(an, domains[an])) \
for an in anames)
self.slice_def = dict((an, domains[an][0]) for an in anames)
for an in anames:
slicer = self.slicers[an]
self.ui.verticalLayout.addWidget(slicer)
slicer._slice_value_changed.connect(self.handle_slice_value_changed)
slicer.axis_state_changed.connect(self.set_axis_state)
self.selection_fifo_max_size = 2
self.selection_fifo = LimitedFifo(self.selection_fifo_max_size,
on_pop=self.deselect_axis)
checked = QtCore.Qt.Checked
self.slicers[anames[0]].set_axis_selection_checkbox_state(checked)
if len(anames) > 1:
self.slicers[anames[1]].set_axis_selection_checkbox_state(checked)
self.ui.swap_button.clicked.connect(self.swap_current_axes)
def set_new_cuboid(self, c):
"""
Set the current cuboid to c, while trying to maintain the current slice
definition
"""
print 'todo: set_new_cuboid:'
print c.descrip()
print 'current cuboid is:'
print c.descrip()
def get_slice_def(self):
return self.slice_def
def set_slice_value(self, axis, value):
self.slicers[axis].set_slice_value(axis, value)
def get_current_axes(self):
return tuple(str(a) for a in self.selection_fifo)
@QtCore.pyqtSlot(str, DomainValue)
def handle_slice_value_changed(self, aname, dval):
self.slice_def[str(aname)] = dval
self.slice_changed.emit(self.slice_def, self.get_current_axes())
@QtCore.pyqtSlot(str, bool)
def set_axis_state(self, axis_name, state):
print 'set_axis_state:', axis_name, '->', state
print 'current selection_fifo:', self.selection_fifo
state_changed = False
if not state:
if axis_name in self.selection_fifo:
self.selection_fifo.remove(axis_name)
state_changed = True
else:
if axis_name not in self.selection_fifo:
self.selection_fifo.append(axis_name)
state_changed = True
if state_changed:
self.update_current_axis_labels()
print 'emit slice_changed:', self.slice_def, '|| ca:', self.get_current_axes()
self.slice_changed.emit(self.slice_def, self.get_current_axes())
def update_current_axis_labels(self):
if len(self.selection_fifo) == 0:
self.ui.label_axis_1.setText('')
self.ui.label_axis_2.setText('')
elif len(self.selection_fifo) == 1:
self.ui.label_axis_1.setText(self.selection_fifo[0])
self.ui.label_axis_2.setText('')
else:
self.ui.label_axis_1.setText(self.selection_fifo[0])
self.ui.label_axis_2.setText(self.selection_fifo[1])
def deselect_axis(self, axis_name):
unchecked = QtCore.Qt.Unchecked
self.slicers[str(axis_name)].set_axis_selection_checkbox_state(unchecked)
def swap_current_axes(self):
if self.selection_fifo.swap(0,1):
self.slice_changed.emit(self.slice_def, self.get_current_axes())
self.update_current_axis_labels()
def closeEvent(self, event):
"""
Override cloveEvent to emit a signal just before the widget is actually
closed.
"""
self.closing.emit()
QtGui.QWidget.closeEvent(self, event)