def __init__(self, overlay, *args, **kwargs):
"""Create a ``LabelOpts`` instance for the specified ``overlay``.
All arguments are passed through to the :class:`.NiftiOpts`
constructor.
"""
# Some FSL tools will set the nifti aux_file
# field to the name of a colour map - Check
# to see if this is the case (again, before
# calling __init__, so we don't clobber any
# existing values).
aux_file = overlay.strval('aux_file').lower()
if aux_file.startswith('mgh'):
aux_file = 'freesurfercolorlut'
# Check to see if any registered lookup table
# has an ID that starts with the aux_file value.
# Default to random lut if aux_file is empty,
# or does not correspond to a registered lut.
lut = 'random'
if aux_file != '':
luts = colourmaps.getLookupTables()
luts = [l.key for l in luts if l.key.startswith(aux_file)]
if len(luts) == 1:
lut = luts[0]
self.lut = lut
niftiopts.NiftiOpts.__init__(self, overlay, *args, **kwargs)
def test_init():
with mockCmaps() as (assetDir, sdir):
fslcm.init()
cmap1 = op.join(assetDir, 'colourmaps', 'cmap1.cmap')
cmap2 = op.join(sdir, 'colourmaps', 'cmap2.cmap')
lut1 = op.join(assetDir, 'luts', 'lut1.lut')
lut2 = op.join(sdir, 'luts', 'lut2.lut')
assert fslcm.getColourMaps() == ['cmap1', 'cmap2']
assert fslcm.getColourMapLabel( 'cmap1') == 'cmap1'
assert fslcm.getColourMapLabel( 'cmap2') == 'cmap2'
assert fslcm.getColourMapFile( 'cmap1') == cmap1
assert fslcm.getColourMapFile( 'cmap2') == cmap2
assert fslcm.getLookupTableFile('lut1') == lut1
assert fslcm.getLookupTableFile('lut2') == lut2
assert fslcm.isColourMapInstalled( 'cmap1')
assert fslcm.isColourMapInstalled( 'cmap2')
assert fslcm.isColourMapRegistered( 'cmap1')
assert fslcm.isColourMapRegistered( 'cmap2')
assert fslcm.isLookupTableInstalled( 'lut1')
assert fslcm.isLookupTableInstalled( 'lut2')
assert fslcm.isLookupTableRegistered('lut1')
assert fslcm.isLookupTableRegistered('lut2')
luts = fslcm.getLookupTables()
assert len(luts) == 2
assert luts[0].key == 'lut1'
assert luts[1].key == 'lut2'
def __setLut(self, lut):
"""Updates this ``LookupTablePanel`` to display the labels for the
given ``lut`` (assumed to be a :class:`.LookupTable` instance).
If the currently selected overlay is associated with a
:class:`.LabelOpts` instance, its :attr:`.LabelOpts.lut` property is
set to the new ``LookupTable``.
"""
if self.__selectedLut == lut:
return
log.debug('Selecting lut: {}'.format(lut))
if self.__selectedLut is not None:
self.__selectedLut.deregister(self.name, 'saved')
self.__selectedLut.deregister(self.name, 'added')
self.__selectedLut.deregister(self.name, 'removed')
self.__selectedLut = lut
if lut is not None:
lut.register(self.name, self.__lutSaveStateChanged, 'saved')
lut.register(self.name, self.__lutLabelAdded, 'added')
lut.register(self.name, self.__lutLabelRemoved, 'removed')
if lut is not None and self.__selectedOpts is not None:
with props.skip(self.__selectedOpts, 'lut', self.name):
self.__selectedOpts.lut = lut
allLuts = fslcmaps.getLookupTables()
self.__lutChoice.SetSelection(allLuts.index(lut))
self.__lutSaveStateChanged()
self.__createLabelList()
def __updateLutChoices(self):
"""Refreshes the contents of the lookup table drop down box,
using the :class:`.LookupTable` instances returned by the
:func:`.colourmaps.getLookupTables` function.
"""
log.debug('Updating lookup table choices')
oldNames = self.__lutChoice.GetItems()
oldSelection = self.__lutChoice.GetSelection()
luts = fslcmaps.getLookupTables()
newNames = [l.name for l in luts]
try:
newSelection = oldNames.index(oldNames[oldSelection])
except Exception:
newSelection = 0
self.__lutChoice.SetItems(newNames)
self.__lutChoice.SetSelection(newSelection)
for i, lut in enumerate(luts):
self.__lutChoice.SetClientData(i, lut)
def __init__(self, parent, overlayList, displayCtx, frame):
"""Create a ``LookupTablePanel``.
:arg parent: The :mod:`wx` parent object.
:arg overlayList: The :class:`.OverlayList` instance.
:arg displayCtx: The :class:`.DisplayContext` instance.
:arg frame: The :class:`.FSLeyesFrame` instance.
"""
ctrlpanel.ControlPanel.__init__(self, parent, overlayList, displayCtx,
frame)
self.__controlCol = wx.Panel(self)
self.__labelList = elistbox.EditableListBox(
self,
style=(elistbox.ELB_NO_MOVE | elistbox.ELB_NO_ADD
| elistbox.ELB_NO_REMOVE | elistbox.ELB_WIDGET_RIGHT))
self.__lutChoice = wx.Choice(self.__controlCol)
self.__selAllButton = wx.Button(self.__controlCol)
self.__selNoneButton = wx.Button(self.__controlCol)
self.__addLabelButton = wx.Button(self.__controlCol)
self.__rmLabelButton = wx.Button(self.__controlCol)
self.__newLutButton = wx.Button(self.__controlCol)
self.__copyLutButton = wx.Button(self.__controlCol)
self.__saveLutButton = wx.Button(self.__controlCol)
self.__loadLutButton = wx.Button(self.__controlCol)
self.__controlColSizer = wx.BoxSizer(wx.VERTICAL)
self.__sizer = wx.BoxSizer(wx.VERTICAL)
self.__controlCol.SetSizer(self.__controlColSizer)
self.SetSizer(self.__sizer)
self.__controlColSizer.Add(self.__lutChoice, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__selAllButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__selNoneButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__addLabelButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__rmLabelButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__newLutButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__copyLutButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__loadLutButton, flag=wx.EXPAND)
self.__controlColSizer.Add(self.__saveLutButton, flag=wx.EXPAND)
self.__sizer.Add(self.__controlCol, flag=wx.EXPAND)
self.__sizer.Add(self.__labelList, flag=wx.EXPAND, proportion=1)
# Label the buttons
self.__selAllButton.SetLabel(strings.labels[self, 'selectAll'])
self.__selNoneButton.SetLabel(strings.labels[self, 'selectNone'])
self.__addLabelButton.SetLabel(strings.labels[self, 'addLabel'])
self.__rmLabelButton.SetLabel(strings.labels[self, 'removeLabel'])
self.__newLutButton.SetLabel(strings.labels[self, 'newLut'])
self.__copyLutButton.SetLabel(strings.labels[self, 'copyLut'])
self.__loadLutButton.SetLabel(strings.labels[self, 'loadLut'])
self.__saveLutButton.SetLabel(strings.labels[self, 'saveLut'])
self.__lutChoice.Bind(wx.EVT_CHOICE, self.__onLutChoice)
self.__selAllButton.Bind(wx.EVT_BUTTON, self.__onSelectAll)
self.__selNoneButton.Bind(wx.EVT_BUTTON, self.__onSelectNone)
self.__addLabelButton.Bind(wx.EVT_BUTTON, self.__onLabelAdd)
self.__rmLabelButton.Bind(wx.EVT_BUTTON, self.__onLabelRemove)
self.__newLutButton.Bind(wx.EVT_BUTTON, self.__onNewLut)
self.__copyLutButton.Bind(wx.EVT_BUTTON, self.__onCopyLut)
self.__loadLutButton.Bind(wx.EVT_BUTTON, self.__onLoadLut)
self.__saveLutButton.Bind(wx.EVT_BUTTON, self.__onSaveLut)
# The selected overlay / DisplayOpts
# are tracked if they use an LUT
# (e.g. LabelOpts). And the currently
# selected/displayed LUT is always
# tracked.
self.__selectedOverlay = None
self.__selectedOpts = None
self.__selectedLut = None
# See the __createLabelList method
self.__labelListCreateKey = 0
overlayList.addListener('overlays', self.name,
self.__selectedOverlayChanged)
displayCtx.addListener('selectedOverlay', self.name,
self.__selectedOverlayChanged)
self.__updateLutChoices()
self.__selectedOverlayChanged()
# If the selected lut was not set
# via the selectedOverlayChanged
# call, we'll manually set it here
if self.__selectedLut is None:
self.__setLut(fslcmaps.getLookupTables()[0])
self.Layout()
# The label values (used as labels in the
# EditableListBox) seem to get squashed
# easily. So we're adding a bit of padding
# to force this panel to have a minimum
# size, to ensure that the labels are
# visible.
dc = wx.ClientDC(self.__labelList)
w, h = dc.GetTextExtent('9999')
minSize = self.__sizer.GetMinSize()
self.SetMinSize((minSize[0] + w, minSize[1]))