def empty_list ( self ):
""" Creates an empty list entry (so the user can add a new item).
"""
# Connecting the new button to the mapper
from pyface.qt import QtCore, QtGui
from pyface.qt import qt_api
from traitsui.qt4.helper import IconButton
#control = IconButton('list_editor.png', self.mapper.map)
if qt_api == 'pyside':
control = IconButton('list_editor.png', self.mapper.map)
elif qt_api == 'pyqt':
control = IconButton('list_editor.png',
lambda : self.popup_empty_menu(
self._list_pane.layout().sender() ))
# 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
from traitsui.editors.list_editor import ListItemProxy
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
from pyface.qt import QtCore, QtGui
from pyface.qt import qt_api
from traitsui.qt4.helper import IconButton
#control = IconButton('list_editor.png', self.mapper.map)
if qt_api == 'pyside':
control = IconButton('list_editor.png', self.mapper.map)
elif qt_api == 'pyqt':
control = IconButton(
'list_editor.png',
lambda: self.popup_empty_menu(self._list_pane.layout().sender(
)))
# 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
from traitsui.editors.list_editor import ListItemProxy
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.
"""
self.mapper = QtCore.QSignalMapper(self.control)
# Disconnect the editor from any control about to be destroyed:
self._dispose_items()
layout = self.control.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,
self.control).set(object_name='')
peditor.prepare(self.control)
pcontrol = peditor.control
pcontrol.proxy = proxy
if isinstance(pcontrol, QtGui.QWidget):
layout.addWidget(pcontrol, row, column + 1)
else:
layout.addLayout(pcontrol, row, column + 1)
def qt4_editor_factory(parent, editor, use_dir=False, *args):
from pyface.qt import QtCore, QtGui
from traitsui.qt4.helper import IconButton
editor.control = panel = QtGui.QWidget()
layout = QtGui.QHBoxLayout(panel)
layout.setContentsMargins(0, 0, 0, 0)
editor.use_dir = use_dir
editor.text_control = text_control = QtGui.QLineEdit()
layout.addWidget(text_control)
signal = QtCore.SIGNAL('editingFinished()')
QtCore.QObject.connect(text_control, signal,
lambda: update_file_obj(editor))
button = IconButton(QtGui.QStyle.SP_DirIcon, lambda: button_click(editor))
layout.addWidget(button)
return panel
def update_editor(self):
from pyface.qt import QtCore, QtGui
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
from traitsui.qt4.helper import IconButton
from pyface.qt import qt_api
# fix bug in pyqt, reverts back to traitsui 4.3 version
if qt_api == 'pyside':
control = IconButton('list_editor.png', self.mapper.map)
elif qt_api == 'pyqt':
control = IconButton('list_editor.png',
lambda : self.popup_menu(
self._list_pane.layout().sender() ))
# 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)
from traitsui.editors.list_editor import ListItemProxy
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):
from pyface.qt import QtCore, QtGui
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
from traitsui.qt4.helper import IconButton
from pyface.qt import qt_api
# fix bug in pyqt, reverts back to traitsui 4.3 version
if qt_api == 'pyside':
control = IconButton('list_editor.png', self.mapper.map)
elif qt_api == 'pyqt':
control = IconButton(
'list_editor.png', lambda: self.popup_menu(
self._list_pane.layout().sender()))
# 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)
from traitsui.editors.list_editor import ListItemProxy
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)
