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)