def __init__(self):
self.qs = QSettings("cadnano.org", "cadnano2.5")
self.ui_prefs = Ui_Preferences()
self.widget = QWidget()
self.ui_prefs.setupUi(self.widget)
self.readPreferences()
self.widget.addAction(self.ui_prefs.actionClose)
self.connectSignals()
self.document = None
def __init__(self):
self.qs = QSettings("cadnano.org", "cadnano2.5")
# print('Settings are stored at %s' % self.qs.fileName())
self.ui_prefs = Ui_Preferences()
self.widget = QWidget()
self.ui_prefs.setupUi(self.widget)
self.readPreferences()
self.widget.addAction(self.ui_prefs.actionClose)
self.connectSignals()
self.document = None
class Preferences(object):
"""Connect UI elements to the backend."""
def __init__(self):
self.qs = QSettings("cadnano.org", "cadnano2.5")
self.ui_prefs = Ui_Preferences()
self.widget = QWidget()
self.ui_prefs.setupUi(self.widget)
self.readPreferences()
self.widget.addAction(self.ui_prefs.actionClose)
self.connectSignals()
self.document = None
# end def
### SUPPORT METHODS ###
def connectSignals(self):
self.ui_prefs.actionClose.triggered.connect(self.hideDialog)
self.ui_prefs.button_box.clicked.connect(self.handleButtonClick)
self.ui_prefs.enabled_sliceview_combo_box.currentIndexChanged.connect(
self.updateEnabledSliceview)
self.ui_prefs.gridview_style_combo_box.currentIndexChanged.connect(
self.updateGridviewStyle)
# self.ui_prefs.gridview_style_combo_box.activated.connect(self.updateGridviewStyle)
self.ui_prefs.show_icon_labels.clicked.connect(self.setShowIconLabels)
self.ui_prefs.zoom_speed_slider.valueChanged.connect(self.setZoomSpeed)
# end def
def readPreferences(self):
"""Read the preferences from self.qs (a QSettings object) and set the
preferences accordingly in the UI popup.
Returns: None
"""
self.qs.beginGroup(PREFS_GROUP_NAME)
self.gridview_style_idx = self.qs.value(GRIDVIEW_STYLE_KEY,
GRIDVIEW_STYLE_DEFAULT)
self.sliceview_idx = self.qs.value(SLICEVIEW_KEY, SLICEVIEW_DEFAULT)
self.zoom_speed = self.qs.value(ZOOM_SPEED_KEY, ZOOM_SPEED_DEFAULT)
self.show_icon_labels = self.qs.value(SHOW_ICON_LABELS_KEY,
SHOW_ICON_LABELS_DEFAULT)
self.qs.endGroup()
self.ui_prefs.gridview_style_combo_box.setCurrentIndex(
self.gridview_style_idx)
self.ui_prefs.enabled_sliceview_combo_box.setCurrentIndex(
self.sliceview_idx)
self.ui_prefs.show_icon_labels.setChecked(self.show_icon_labels)
self.ui_prefs.zoom_speed_slider.setProperty("value", self.zoom_speed)
# end def
### SLOTS ###
def hideDialog(self):
self.widget.hide()
# end def
def showDialog(self):
self.readPreferences()
self.widget.show() # launch prefs in mode-less dialog
# end def
def updateGridviewStyle(self, index):
"""Update the grid when the type of grid is changed.
Calls setGridviewStyleIdx and updates each part of the document
accordingly.
"""
gridview_style = GRIDVIEW_STYLES[self.gridview_style_idx]
for part in self.document.getParts():
part.partDocumentSettingChangedSignal.emit(part, 'grid',
gridview_style)
# end def
def handleButtonClick(self, button):
"""Used only to restore defaults.
Other buttons are ignored because connections are already set up in
qt designer.
"""
if self.ui_prefs.button_box.buttonRole(
button) == QDialogButtonBox.ResetRole:
self.restoreDefaults()
# end def
def restoreDefaults(self):
"""Restore the default settings."""
gridview_style_idx = GRIDVIEW_STYLES.index(GRIDVIEW_STYLE_DEFAULT)
sliceview_idx = GRIDVIEW_STYLES.index(SLICEVIEW_DEFAULT)
self.ui_prefs.gridview_style_combo_box.setCurrentIndex(
gridview_style_idx)
self.ui_prefs.enabled_sliceview_combo_box.setCurrentIndex(
sliceview_idx)
self.ui_prefs.zoom_speed_slider.setProperty("value",
ZOOM_SPEED_DEFAULT)
self.ui_prefs.show_icon_labels.setChecked(SHOW_ICON_LABELS_DEFAULT)
# end def
def setGridviewStyleIdx(self, value):
"""Select the type of grid that should be displayed."""
self.gridview_style_idx = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(GRIDVIEW_STYLE_KEY, value)
self.qs.endGroup()
# end def
def updateEnabledSliceview(self, value):
"""Select whether the slice view, grid view, or both should be
displayed.
"""
self.sliceview_idx = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(SLICEVIEW_KEY, value)
self.qs.endGroup()
value = SLICEVIEWS[self.sliceview_idx]
if value == 'legacy':
self.document.controller().toggleSliceView(True)
self.document.controller().toggleGridView(False)
elif value == 'grid':
self.document.controller().toggleSliceView(False)
self.document.controller().toggleGridView(True)
elif value == 'dual':
self.document.controller().toggleSliceView(True)
self.document.controller().toggleGridView(True)
else:
raise ValueError('Invalid slice view value: %s' % value)
def setShowIconLabels(self, value):
self.show_icon_labels = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(SHOW_ICON_LABELS_KEY, value)
self.qs.endGroup()
# end def
def setZoomSpeed(self, value):
self.zoom_speed = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(ZOOM_SPEED_KEY, value)
self.qs.endGroup()
class Preferences(object):
"""Connect UI elements to the backend."""
def __init__(self):
self.qs = QSettings("cadnano.org", "cadnano2.5")
self.ui_prefs = Ui_Preferences()
self.widget = QWidget()
self.ui_prefs.setupUi(self.widget)
self.readPreferences()
self.widget.addAction(self.ui_prefs.actionClose)
self.connectSignals()
self.document = None
# end def
### SUPPORT METHODS ###
def connectSignals(self):
self.ui_prefs.actionClose.triggered.connect(self.hideDialog)
self.ui_prefs.button_box.clicked.connect(self.handleButtonClick)
self.ui_prefs.enabled_orthoview_combo_box.currentIndexChanged.connect(
self.orthoviewChangedSlot)
self.ui_prefs.gridview_style_combo_box.currentIndexChanged.connect(
self.gridviewStyleChangedSlot)
self.ui_prefs.show_icon_labels.clicked.connect(self.setShowIconLabels)
self.ui_prefs.zoom_speed_slider.valueChanged.connect(self.setZoomSpeed)
# end def
def readPreferences(self):
"""Read the preferences from self.qs (a QSettings object) and set the
preferences accordingly in the UI popup.
Returns: None
"""
self.qs.beginGroup(PREFS_GROUP_NAME)
self.gridview_style_idx = self.qs.value(GRIDVIEW_STYLE_KEY,
GRIDVIEW_STYLE_DEFAULT)
self.orthoview_style = self.qs.value(ORTHOVIEW_KEY, ORTHOVIEW_DEFAULT)
self.zoom_speed = self.qs.value(ZOOM_SPEED_KEY, ZOOM_SPEED_DEFAULT)
self.show_icon_labels = self.qs.value(SHOW_ICON_LABELS_KEY,
SHOW_ICON_LABELS_DEFAULT)
self.qs.endGroup()
self.ui_prefs.gridview_style_combo_box.setCurrentIndex(
self.gridview_style_idx)
self.ui_prefs.enabled_orthoview_combo_box.setCurrentIndex(
self.orthoview_style)
self.ui_prefs.show_icon_labels.setChecked(self.show_icon_labels)
self.ui_prefs.zoom_speed_slider.setProperty("value", self.zoom_speed)
# end def
### SLOTS ###
def hideDialog(self):
self.widget.hide()
# end def
def showDialog(self):
self.readPreferences()
self.widget.show() # launch prefs in mode-less dialog
# end def
def gridviewStyleChangedSlot(self, index):
"""Update the grid when the type of grid is changed.
Calls setGridviewStyleIdx and updates each part of the document
accordingly.
"""
gridview_style = GRIDVIEW_STYLES[self.gridview_style_idx]
for part in self.document.getParts():
part.partDocumentSettingChangedSignal.emit(part, 'grid',
gridview_style)
# end def
def handleButtonClick(self, button):
"""Used only to restore defaults.
Other buttons are ignored because connections are already set up in
qt designer.
"""
if self.ui_prefs.button_box.buttonRole(
button) == QDialogButtonBox.ResetRole:
self.restoreDefaults()
# end def
def restoreDefaults(self):
"""Restore the default settings."""
gridview_style_idx = GRIDVIEW_STYLE_DEFAULT
orthoview_idx = ORTHOVIEW_DEFAULT
self.ui_prefs.gridview_style_combo_box.setCurrentIndex(
gridview_style_idx)
self.ui_prefs.enabled_orthoview_combo_box.setCurrentIndex(
orthoview_idx)
self.ui_prefs.zoom_speed_slider.setProperty("value",
ZOOM_SPEED_DEFAULT)
self.ui_prefs.show_icon_labels.setChecked(SHOW_ICON_LABELS_DEFAULT)
# end def
def setGridviewStyleIdx(self, value):
"""Select the type of grid that should be displayed."""
self.gridview_style_idx = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(GRIDVIEW_STYLE_KEY, value)
self.qs.endGroup()
# end def
def orthoviewChangedSlot(self, value):
"""
Handles index changes to enabled_orthoview_combo_box.
Saves the setting and notifies the doc controller to toggle
visibilty of appropriate 2D orthographic view (sliceview or gridview).
"""
new_orthoview_style = int(value)
assert new_orthoview_style in (OrthoViewType.GRID, OrthoViewType.SLICE)
self.orthoview_style = new_orthoview_style
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(ORTHOVIEW_KEY, new_orthoview_style)
self.qs.endGroup()
self.document.controller().setSliceOrGridViewVisible(
self.orthoview_style)
def setShowIconLabels(self, value):
self.show_icon_labels = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(SHOW_ICON_LABELS_KEY, value)
self.qs.endGroup()
# end def
def setZoomSpeed(self, value):
self.zoom_speed = value
self.qs.beginGroup(PREFS_GROUP_NAME)
self.qs.setValue(ZOOM_SPEED_KEY, value)
self.qs.endGroup()