def update_editor ( self ):
""" Updates the editor when the object trait changes externally to the
editor.
"""
self.mapper = QtCore.QSignalMapper(self.control)
# Disconnect the editor from any control about to be destroyed:
self._dispose_items()
list_pane = self._list_pane
layout = list_pane.layout()
# Create all of the list item trait editors:
trait_handler = self._trait_handler
resizable = ((trait_handler.minlen != trait_handler.maxlen) and
self.mutable)
item_trait = trait_handler.item_trait
is_fake = (resizable and (len( self.value ) == 0))
if is_fake:
self.empty_list()
else:
# Asking the mapper to send the sender to the callback method
self.mapper.mapped[QtCore.QObject].connect(self.popup_menu)
editor = self._editor
for index, value in enumerate(self.value):
row, column = divmod(index, self.factory.columns)
# Account for the fact that we have <columns> number of
# pairs
column = column * 2
if resizable:
# Connecting the new button to the mapper
control = IconButton('list_editor.png', self.mapper.map)
# Setting the mapping and asking it to send the index of the
# sender to the callback method
self.mapper.setMapping(control, control)
layout.addWidget(control, row, column)
proxy = ListItemProxy( self.object, self.name, index, item_trait,
value )
if resizable:
control.proxy = proxy
peditor = editor( self.ui, proxy, 'value', self.description,
list_pane ).set( object_name = '' )
peditor.prepare( list_pane )
pcontrol = peditor.control
pcontrol.proxy = proxy
if isinstance(pcontrol, QtGui.QWidget):
layout.addWidget(pcontrol, row, column+1)
else:
layout.addLayout(pcontrol, row, column+1)
# QScrollArea can have problems if the widget being scrolled is set too
# early (ie. before it contains something).
if self.control.widget() is None:
self.control.setWidget(list_pane)
def update_editor(self):
""" Updates the editor when the object trait changes externally to the
editor.
"""
self.mapper = QtCore.QSignalMapper(self.control)
# Disconnect the editor from any control about to be destroyed:
self._dispose_items()
list_pane = self._list_pane
layout = list_pane.layout()
# Create all of the list item trait editors:
trait_handler = self._trait_handler
resizable = ((trait_handler.minlen != trait_handler.maxlen)
and self.mutable)
item_trait = trait_handler.item_trait
is_fake = (resizable and (len(self.value) == 0))
if is_fake:
self.empty_list()
else:
# Asking the mapper to send the sender to the callback method
self.mapper.mapped[QtCore.QObject].connect(self.popup_menu)
editor = self._editor
for index, value in enumerate(self.value):
row, column = divmod(index, self.factory.columns)
# Account for the fact that we have <columns> number of
# pairs
column = column * 2
if resizable:
# Connecting the new button to the mapper
control = IconButton('list_editor.png', self.mapper.map)
# Setting the mapping and asking it to send the index of the
# sender to the callback method
self.mapper.setMapping(control, control)
layout.addWidget(control, row, column)
proxy = ListItemProxy(self.object, self.name, index, item_trait,
value)
if resizable:
control.proxy = proxy
peditor = editor(self.ui, proxy, 'value', self.description,
list_pane).set(object_name='')
peditor.prepare(list_pane)
pcontrol = peditor.control
pcontrol.proxy = proxy
if isinstance(pcontrol, QtGui.QWidget):
layout.addWidget(pcontrol, row, column + 1)
else:
layout.addLayout(pcontrol, row, column + 1)
# QScrollArea can have problems if the widget being scrolled is set too
# early (ie. before it contains something).
if self.control.widget() is None:
self.control.setWidget(list_pane)
def empty_list ( self ):
""" Creates an empty list entry (so the user can add a new item).
"""
control = IconButton('list_editor.png', self.popup_empty_menu)
control.is_empty = True
self._cur_control = control
proxy = ListItemProxy( self.object, self.name, -1, None, None )
pcontrol = QtGui.QLabel(' (Empty List)')
pcontrol.proxy = control.proxy = proxy
layout = self._list_pane.layout()
layout.addWidget(control, 0, 0)
layout.addWidget(pcontrol, 0, 1)
def empty_list(self):
""" Creates an empty list entry (so the user can add a new item).
"""
control = IconButton('list_editor.png', self.popup_empty_menu)
control.is_empty = True
self._cur_control = control
proxy = ListItemProxy(self.object, self.name, -1, None, None)
pcontrol = QtGui.QLabel(' (Empty List)')
pcontrol.proxy = control.proxy = proxy
layout = self._list_pane.layout()
layout.addWidget(control, 0, 0)
layout.addWidget(pcontrol, 0, 1)
def update_editor ( self ):
""" Updates the editor when the object trait changes externally to the
editor.
"""
# Disconnect the editor from any control about to be destroyed:
self._dispose_items()
list_pane = self._list_pane
layout = list_pane.layout()
# Create all of the list item trait editors:
trait_handler = self._trait_handler
resizable = ((trait_handler.minlen != trait_handler.maxlen) and
self.mutable)
item_trait = trait_handler.item_trait
is_fake = (resizable and (len( self.value ) == 0))
if is_fake:
self.empty_list()
editor = self._editor
# FIXME: Add support for more than one column.
for index, value in enumerate(self.value):
if resizable:
control = IconButton('list_editor.png', self.popup_menu)
layout.addWidget(control, index, 0)
proxy = ListItemProxy( self.object, self.name, index, item_trait,
value )
if resizable:
control.proxy = proxy
peditor = editor( self.ui, proxy, 'value', self.description,
list_pane ).set( object_name = '' )
peditor.prepare( list_pane )
pcontrol = peditor.control
pcontrol.proxy = proxy
if isinstance(pcontrol, QtGui.QWidget):
layout.addWidget(pcontrol, index, 1)
else:
layout.addLayout(pcontrol, index, 1)
# QScrollArea can have problems if the widget being scrolled is set too
# early (ie. before it contains something).
if self.control.widget() is None:
self.control.setWidget(list_pane)
def empty_list(self):
""" Creates an empty list entry (so the user can add a new item).
"""
# Connecting the new button to the mapper
control = IconButton('list_editor.png', self.mapper.map)
# Setting the mapping and asking it to send the sender to the
# callback method
self.mapper.setMapping(control, control)
self.mapper.mapped[QtCore.QObject].connect(self.popup_empty_menu)
control.is_empty = True
self._cur_control = control
proxy = ListItemProxy(self.object, self.name, -1, None, None)
pcontrol = QtGui.QLabel(' (Empty List)')
pcontrol.proxy = control.proxy = proxy
layout = self._list_pane.layout()
layout.addWidget(control, 0, 0)
layout.addWidget(pcontrol, 0, 1)
def empty_list ( self ):
""" Creates an empty list entry (so the user can add a new item).
"""
# Connecting the new button to the mapper
control = IconButton('list_editor.png', self.mapper.map)
# Setting the mapping and asking it to send the sender to the
# callback method
self.mapper.setMapping(control, control)
self.mapper.mapped[QtCore.QObject].connect(self.popup_empty_menu)
control.is_empty = True
self._cur_control = control
proxy = ListItemProxy( self.object, self.name, -1, None, None )
pcontrol = QtGui.QLabel(' (Empty List)')
pcontrol.proxy = control.proxy = proxy
layout = self._list_pane.layout()
layout.addWidget(control, 0, 0)
layout.addWidget(pcontrol, 0, 1)
def empty_list(self):
""" Creates an empty list entry (so the user can add a new item).
"""
# Connecting the new button to the mapper
control = IconButton('list_editor.png', self.mapper.map)
# Setting the mapping and asking it to send the index of the sender to
# callback method. Unfortunately just sending the control does not
# work for PyQt (tested on 4.11)
self.mapper.setMapping(control, 0)
self.mapper.mapped.connect(self.popup_empty_menu)
control.is_empty = True
self._cur_control = control
self.buttons = [control]
proxy = ListItemProxy(self.object, self.name, -1, None, None)
pcontrol = QtGui.QLabel(' (Empty List)')
pcontrol.proxy = control.proxy = proxy
layout = self._list_pane.layout()
layout.addWidget(control, 0, 1)
layout.addWidget(pcontrol, 0, 0)
def init(self, parent):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
self.control = QtGui.QWidget()
layout = QtGui.QHBoxLayout(self.control)
layout.setContentsMargins(0, 0, 0, 0)
self._file_name = control = QtGui.QLineEdit()
layout.addWidget(control)
if self.factory.auto_set:
signal = QtCore.SIGNAL('textEdited(QString)')
else:
# Assume enter_set is set, or else the value will never get updated.
signal = QtCore.SIGNAL('editingFinished()')
QtCore.QObject.connect(control, signal, self.update_object)
button = IconButton(QtGui.QStyle.SP_DirIcon, self.show_file_dialog)
layout.addWidget(button)
self.set_tooltip(control)
def init(self, parent):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
factory = self.factory
# Initialize using the factory range defaults:
self.low = factory.low
self.high = factory.high
self.evaluate = factory.evaluate
# Hook up the traits to listen to the object.
self.sync_value(factory.low_name, 'low', 'from')
self.sync_value(factory.high_name, 'high', 'from')
self.sync_value(factory.evaluate_name, 'evaluate', 'from')
self.init_range()
low = self.cur_low
high = self.cur_high
self._set_format()
self.control = QtGui.QWidget()
panel = QtGui.QHBoxLayout(self.control)
panel.setContentsMargins(0, 0, 0, 0)
fvalue = self.value
try:
fvalue_text = self._format % fvalue
1 / (low <= fvalue <= high)
except:
fvalue_text = ''
fvalue = low
if high > low:
ivalue = int((float(fvalue - low) / (high - low)) * 10000)
else:
ivalue = low
# Lower limit label:
self.control.label_lo = label_lo = QtGui.QLabel()
label_lo.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
panel.addWidget(label_lo)
# Lower limit button:
self.control.button_lo = IconButton(QtGui.QStyle.SP_ArrowLeft,
self.reduce_range)
panel.addWidget(self.control.button_lo)
# Slider:
self.control.slider = slider = QtGui.QSlider(QtCore.Qt.Horizontal)
slider.setTracking(factory.auto_set)
slider.setMinimum(0)
slider.setMaximum(10000)
slider.setPageStep(1000)
slider.setSingleStep(100)
slider.setValue(ivalue)
slider.valueChanged.connect(self.update_object_on_scroll)
panel.addWidget(slider)
# Upper limit button:
self.control.button_hi = IconButton(QtGui.QStyle.SP_ArrowRight,
self.increase_range)
panel.addWidget(self.control.button_hi)
# Upper limit label:
self.control.label_hi = label_hi = QtGui.QLabel()
panel.addWidget(label_hi)
# Text entry:
self.control.text = text = QtGui.QLineEdit(fvalue_text)
text.editingFinished.connect(self.update_object_on_enter)
# The default size is a bit too big and probably doesn't need to grow.
sh = text.sizeHint()
sh.setWidth(sh.width() / 2)
text.setMaximumSize(sh)
panel.addWidget(text)
label_lo.setText(str(low))
label_hi.setText(str(high))
self.set_tooltip(slider)
self.set_tooltip(label_lo)
self.set_tooltip(label_hi)
self.set_tooltip(text)
# Update the ranges and button just in case.
self.update_range_ui()