class FileBrowserView(View, FileBrowser):
""" A view containing a file browser. """
#### 'IView' interface ####################################################
# The part's globally unique identifier.
id = 'etsdevtools.developer.tools.file_browser'
# The part's name (displayed to the user).
name = 'Workspace'
# The default position of the view relative to the item specified in the
# 'relative_to' trait.
position = 'bottom'
#### 'IExtensionPointUser' interface ######################################
traits_view = TraitsView(Item(name='root',
editor=tree_editor,
show_label=False),
handler=FileBrowserHandler)
###########################################################################
# 'View' interface.
###########################################################################
def create_control(self, parent):
""" Creates the toolkit-specific control that represents the view. """
self.ui = self.edit_traits(parent=parent, kind='subpanel')
# Register the file browser as a service.
self.window.application.register_service(FileBrowser, self)
return self.ui.control
def run(self, filename=None, shell=None):
"""
"""
if filename is None:
filename = self.path
if shell is None:
shell = self.window.get_view_by_id(
'envisage.plugins.python_shell_view')
if shell is not None:
self.run_dir(shell, filename)
def run_dir(self, view, path):
if isfile(path):
self.run_script(view, path)
elif isdir(path):
for file in glob.iglob(join(path, '*.py')):
self.run_script(view, file)
for dir in glob.iglob(join(path, '*') + sep):
self.run_dir(view, dir)
return
def run_script(self, view, filename):
view.execute_command('%run ' + '"%s"' % filename, hidden=False)
class MyClass(HasTraits):
the_object = obj
view = TraitsView(
Item('the_object', style='custom', show_label=False),
resizable=True,
title=name,
width=600,
)
def create_control(self, parent):
""" Creates the toolkit-specific control that represents the view.
'parent' is the toolkit-specific control that is the view's parent.
"""
self.model = DebugViewModel(window=self.window)
ui = self.model.edit_traits(parent=parent,
kind='subpanel',
view=TraitsView('active_part',
'active_editor',
'active_view'))
return ui.control
class NamespaceView(View):
""" A view containing the contents of the Python shell namespace. """
implements(INamespaceView)
#### 'IView' interface ####################################################
# The part's globally unique identifier.
id = 'envisage.plugins.ipython_shell.namespace_view'
# The view's name.
name = 'Namespace'
# The default position of the view relative to the item specified in the
# 'relative_to' trait.
position = 'left'
#### 'NamespaceView' interface ############################################
# The different tree nodes
tree_nodes = Property(depends_on='search_text')
# Search text
search_text = Str
tree_editor = Property(depends_on="ui")
# The timer used to refresh the ui
_refresh_tree_nodes_timer = Instance(Timer)
def __refresh_tree_nodes_timer_default(self):
return Timer(100, self._refresh_tree_nodes)
###########################################################################
# 'View' interface.
###########################################################################
traits_view = TraitsView(
Group(Item('search_text', label='Search')),
Item('tree_nodes',
id='table',
editor=TreeEditor(
auto_open=1,
hide_root=True,
editable=False,
nodes=value_tree_nodes,
on_dclick='object._explore',
),
springy=True,
resizable=True,
show_label=False),
resizable=True,
)
def create_control(self, parent):
""" Creates the toolkit-specific control that represents the view.
'parent' is the toolkit-specific control that is the view's parent.
"""
self.ui = self.edit_traits(parent=parent, kind='subpanel')
# Register the view as a service.
self.window.application.register_service(INamespaceView, self)
shell = self.window.application.get_service(IPythonShell)
if shell is not None:
shell.on_trait_change(self._on_names_changed, 'names')
self._on_names_changed(shell.names)
return self.ui.control
def destroy_control(self):
""" Destroys the toolkit-specific control that represents the view.
"""
super(NamespaceView, self).destroy_control()
# Remove the namespace change handler
shell = self.window.application.get_service(IPythonShell)
if shell is not None:
shell.on_trait_change(self._on_names_changed, 'names', remove=True)
###########################################################################
# 'NamespaceView' interface.
###########################################################################
#### Properties ###########################################################
def _get_tree_nodes(self):
""" Property getter. """
shell = self.window.application.get_service(IPythonShell)
# Cater for an un-initialized python shell view
if shell is None:
return NamespaceNode(value={}, readonly=True)
filtered_namespace = dict()
for name in shell.names:
filtered_namespace[name] = shell.lookup(name)
if not self.search_text == '':
filtered_namespace = filter_namespace(filtered_namespace,
self.search_text)
return NamespaceNode(value=filtered_namespace, readonly=True)
def _get_tree_editor(self):
""" Walk the editor list to retrieve the instance of the
tree editor currently used.
"""
for editor in self.ui._editors:
print editor
return self.ui._editors[-1]
def _refresh_tree_nodes(self):
""" Callback called by a timer to refresh the UI.
The UI is refreshed by a timer to buffer the refreshes,
in order not to slow down the execution engine.
"""
self.trait_property_changed('tree_nodes', None)
self._refresh_tree_nodes_timer.Stop()
###########################################################################
# Private interface.
###########################################################################
#### Trait change handlers ################################################
def _on_names_changed(self, new):
""" Dynamic trait change handler. """
if not self._refresh_tree_nodes_timer.IsRunning():
GUI.invoke_later(self._refresh_tree_nodes_timer.Start)
def _explore(self, object):
""" Displays a view of the object.
"""
explore(object)
class NamespaceView(View):
""" A view containing the contents of the Python shell namespace. """
#### 'IView' interface ####################################################
# The part's globally unique identifier.
id = "enthought.plugins.python_shell.view.namespace_view"
# The view's name.
name = "Namespace"
# The default position of the view relative to the item specified in the
# 'relative_to' trait.
position = "left"
#### 'NamespaceView' interface ############################################
# The bindings in the namespace. This is a list of HasTraits objects with
# 'name', 'type' and 'module' string attributes.
bindings = Property(List, depends_on=["namespace"])
shell_view = Instance(PythonShellView)
namespace = DelegatesTo("shell_view")
# The default traits UI view.
traits_view = TraitsView(
VGroup(
Item(
"bindings",
id="table",
editor=table_editor,
springy=True,
resizable=True,
),
show_border=True,
show_labels=False,
),
resizable=True,
)
###########################################################################
# 'View' interface.
###########################################################################
def create_control(self, parent):
""" Creates the toolkit-specific control that represents the view.
'parent' is the toolkit-specific control that is the view's parent.
"""
self.ui = self.edit_traits(parent=parent, kind="subpanel")
self.shell_view = self.window.application.get_service(IPythonShell)
# 'shell_view' is an instance of the class PythonShellView from the
# module envisage.plugins.python_shell.view.python_shell_view.
return self.ui.control
###########################################################################
# 'NamespaceView' interface.
###########################################################################
#### Properties ###########################################################
@cached_property
def _get_bindings(self):
""" Property getter. """
if self.shell_view is None:
return []
class item(HasTraits):
name = Str
type = Str
module = Str
data = [
item(
name=name, type=type_to_str(value), module=module_to_str(value)
)
for name, value in self.shell_view.namespace.items()
]
return data