def OnData(self, x, y, default_drag_result):
""" Called when OnDrop returns True. """
# First, if we have a source in the clipboard and the source
# doesn't allow moves then change the default to copy
if clipboard.drop_source is not None and \
not clipboard.drop_source.allow_move:
default_drag_result = wx.DragCopy
elif clipboard.drop_source is None:
# This means we might be receiving a file; try to import
# the right packages to nicely handle a file drop. If those
# packages can't be imported, then just pass through.
if self.GetData():
try:
from apptools.io import File
from apptools.naming.api import Binding
names = self.file_data.GetFilenames()
files = []
bindings = []
for name in names:
f = File(name)
files.append(f)
bindings.append(Binding(name = name, obj = f))
clipboard.data = files
clipboard.node = bindings
except ImportError:
pass
# Pass the object on the clipboard it to the handler.
#
# fixme: We allow 'wx_dropped_on' and 'on_drop' because both Dave
# and Martin want different things! Unify!
if hasattr(self.handler, 'wx_dropped_on'):
drag_result = self.handler.wx_dropped_on(
x, y, clipboard.data, default_drag_result
)
elif hasattr(self.handler, 'on_drop'):
drag_result = self.handler.on_drop(
x, y, clipboard.data, default_drag_result
)
else:
self.handler(x, y, clipboard.data)
drag_result = default_drag_result
# Let the source of the drag/drop know that the operation is complete.
drop_source = clipboard.drop_source
if drop_source is not None:
drop_source.on_dropped(drag_result)
# Clean out the drop source!
clipboard.drop_source = None
# The return value tells the source what to do with the original data
# (move, copy, etc.). In this case we just return the suggested value
# given to us.
return default_drag_result
def _list_bindings(self):
""" Lists the bindings in this context. """
bindings = []
for key in self.adaptee:
bindings.append(
Binding(name=str(key), obj=self._lookup(key), context=self))
return bindings
def explore(obj):
""" View a Python object as a naming context. """
root = Binding(name='root', obj=PyContext(namespace=obj))
explorer = Explorer(root=root, size=(1200, 400))
explorer.open()
return
def _list_bindings(self):
""" Lists the bindings in this context. """
bindings = []
for obj in self.collection:
# Bindings have to have a string name.
name = self._get_name(obj)
# Create the binding.
bindings.append(Binding(name=name, obj=obj, context=self))
return bindings
def _list_bindings(self):
""" Lists the bindings in this context. """
bindings = []
for name in self._list_names():
try:
obj = self._lookup(name)
bindings.append(Binding(name=name, obj=obj, context=self))
# We get attribute errors when we try to look up Event traits (they
# are write-only).
except AttributeError:
pass
return bindings
def _lookup_binding(self, name):
""" Looks up the binding for a name in this context. """
return Binding(name=name, obj=self._lookup(name), context=self)
# Python lists.
type_manager.register_type_adapters(
ContextAdapterFactory(
adaptee_class=list,
adapter_class=ListContextAdapter,
), list)
# Python objects.
type_manager.register_type_adapters(InstanceContextAdapterFactory(),
object)
# Get the path to the data directory
data_path = os.path.join('examples', 'naming', 'data')
full_path = find_resource('AppTools',
data_path,
alt_path='data',
return_path=True)
# Create the root context.
root = PyFSContext(path=full_path)
root.environment[Context.TYPE_MANAGER] = type_manager
# Create and open the main window.
window = Explorer(root=Binding(name='Root', obj=root))
window.open()
# Start the GUI event loop.
gui.start_event_loop()
##### EOF #####################################################################