class list_value(HasTraits):
# Trait definitions:
list1 = Trait([2], TraitList(Trait([1, 2, 3, 4]), maxlen=4))
list2 = Trait([2],
TraitList(Trait([1, 2, 3, 4]),
minlen=1,
maxlen=4))
alist = List()
class MultiToolbarWindow(ApplicationWindow):
""" A top-level application window that supports multiple toolbars.
The multi-toolbar window has support for a menu bar, status bar, and
multiple toolbars (all of which are optional).
"""
# The toolbars in the order they were added to the window.
_tool_bar_managers = Trait([], TraitList(Trait(ToolBarManager)))
# Map of toolbar to screen location.
_tool_bar_locations = Trait({},
TraitDict(
Trait(ToolBarManager),
TraitEnum('top', 'bottom', 'left',
'right')))
###########################################################################
# Protected 'Window' interface.
###########################################################################
def _create_contents(self, parent):
panel = super(MultiToolbarWindow, self)._create_contents(parent)
self._create_trim_widgets(parent)
return panel
def _create_trim_widgets(self, parent):
# The frame's icon.
self._set_window_icon()
# Add the (optional) menu bar.
self._create_menu_bar(parent)
# Add the (optional) status bar.
self._create_status_bar(parent)
# Add the (optional) tool bars.
self.sizer = self._create_tool_bars(parent)
return
def _create_tool_bars(self, parent):
""" Create the tool bars for this window. """
if len(self._tool_bar_managers) > 0:
# Create a top level sizer to handle to main layout and attach
# it to the parent frame.
self.main_sizer = sizer = wx.BoxSizer(wx.VERTICAL)
parent.SetSizer(sizer)
parent.SetAutoLayout(True)
for tool_bar_manager in self._tool_bar_managers:
location = self._tool_bar_locations[tool_bar_manager]
sizer = self._create_tool_bar(parent, sizer, tool_bar_manager,
location)
return sizer
return None
def _create_tool_bar(self, parent, sizer, tool_bar_manager, location):
""" Create and add the toolbar to the parent window at the specified
location.
Returns the sizer where the remaining content should be added. For
'top' and 'left' toolbars, we can return the same sizer that contains
the toolbar, because subsequent additions will be added below or to
the right of those toolbars. For 'right' and 'bottom' toolbars, we
create a spacer toolbar to hold the content.
"""
tool_bar = tool_bar_manager.create_tool_bar(parent)
if location == 'top':
child_sizer = wx.BoxSizer(wx.VERTICAL)
child_sizer.Add(tool_bar, 0, wx.ALL | wx.ALIGN_LEFT | wx.EXPAND)
sizer.Add(child_sizer, 1, wx.ALL | wx.EXPAND)
if location == 'bottom':
toolbar_sizer = wx.BoxSizer(wx.VERTICAL)
# Add the placeholder for the content before adding the toolbar.
child_sizer = self._create_content_spacer(toolbar_sizer)
# Add the tool bar.
toolbar_sizer.Add(tool_bar, 0, wx.ALL | wx.ALIGN_TOP | wx.EXPAND)
sizer.Add(toolbar_sizer, 1, wx.ALL | wx.EXPAND)
if location == 'left':
child_sizer = wx.BoxSizer(wx.HORIZONTAL)
child_sizer.Add(tool_bar, 0, wx.ALL | wx.ALIGN_TOP | wx.EXPAND)
sizer.Add(child_sizer, 1, wx.ALL | wx.EXPAND)
if location == 'right':
toolbar_sizer = wx.BoxSizer(wx.HORIZONTAL)
# Add the placeholder for the content before adding the toolbar.
child_sizer = self._create_content_spacer(toolbar_sizer)
# Add the tool bar.
toolbar_sizer.Add(tool_bar, 0, wx.ALL | wx.ALIGN_TOP | wx.EXPAND)
sizer.Add(toolbar_sizer, 1, wx.ALL | wx.EXPAND)
return child_sizer
def _create_content_spacer(self, sizer):
spacer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(spacer, 1, wx.ALL | wx.EXPAND)
return spacer
###########################################################################
# Public MultiToolbarWindow interface
###########################################################################
def add_tool_bar(self, tool_bar_manager, location='top'):
""" Add a toolbar in the specified location.
Valid locations are 'top', 'bottom', 'left', and 'right'
"""
self._tool_bar_managers.append(tool_bar_manager)
self._tool_bar_locations[tool_bar_manager] = location