class ObjectsDisplay(gtk.VBox):
__gsignals__ = {
"object-input" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
"status-changed" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
}
def __init__(self, output_spec, context, **kwargs):
super(ObjectsDisplay, self).__init__(**kwargs)
self.__context = context
self.__box = gtk.VBox()
self.add(self.__box)
self.__scroll = gtk.ScrolledWindow()
self.__scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
vadjust = self.__scroll.get_vadjustment()
vadjust.connect('value-changed', self.__on_scroll_value_changed)
self.__search = None
self.__inputarea = None
self.__output_type = None
self.__old_focus = None
self.__box.pack_start(self.__scroll, expand=True)
self.__display = None
self.__add_display(output_spec)
self.__doing_autoscroll = False
self.__user_scrolled = False
self.__autoscroll_id = 0
self._common_supertype = None
def __add_display(self, output_spec, force=False):
if output_spec != 'any':
self.__display = ClassRendererMapping.getInstance().lookup(output_spec, self.__context)
if not self.__display and force:
self.__display = DefaultObjectsRenderer(self.__context)
if self.__display:
self.__display.connect('status-changed', self.__on_status_changed)
self.__display_widget = self.__display.get_widget()
self.__display_widget.show_all()
self.__scroll.add(self.__display_widget)
self.__output_type = output_spec
def __on_status_changed(self, renderer):
self.emit('status-changed')
self.do_autoscroll()
def start_search(self, old_focus):
try:
self.__display.start_search()
return True
except NotImplementedError, e:
pass
if self.__search is None:
self.__search = self.__display.get_search()
if self.__search is not True:
self.__box.pack_start(self.__search, expand=False)
self.__search.connect("close", self.__on_search_close)
self.__old_focus = old_focus
if self.__search is not True:
self.__search.show_all()
self.__search.focus()
return True
return False
def __add_display(self, output_spec, force=False):
if output_spec != 'any':
self.__display = ClassRendererMapping.getInstance().lookup(
output_spec, self.__context)
if not self.__display and force:
self.__display = DefaultObjectsRenderer(self.__context)
if self.__display:
self.__display.connect('status-changed', self.__on_status_changed)
self.__display_widget = self.__display.get_widget()
self.__display_widget.show_all()
self.__scroll.add(self.__display_widget)
self.__output_type = output_spec
def __add_display(self, output_spec, force=False):
if output_spec != 'any':
self.__display = ClassRendererMapping.getInstance().lookup(output_spec, self.__context)
if not self.__display and force:
self.__display = DefaultObjectsRenderer(self.__context)
if self.__display:
self.__display.connect('status-changed', self.__on_status_changed)
self.__display_widget = self.__display.get_widget()
self.__display_widget.show_all()
self.__scroll.add(self.__display_widget)
self.__output_type = output_spec
class ObjectsDisplay(gtk.VBox):
__gsignals__ = {
"object-input" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
"status-changed" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
}
def __init__(self, output_spec, context, **kwargs):
super(ObjectsDisplay, self).__init__(**kwargs)
self.__context = context
self.__box = gtk.VBox()
self.add(self.__box)
self.__scroll = gtk.ScrolledWindow()
self.__scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
vadjust = self.__scroll.get_vadjustment()
vadjust.connect('value-changed', self.__on_scroll_value_changed)
self.__search = None
self.__inputarea = None
self.__output_type = None
self.__old_focus = None
self.__box.pack_start(self.__scroll, expand=True)
self.__display = None
self.__add_display(output_spec)
self.__doing_autoscroll = False
self.__user_scrolled = False
self.__autoscroll_id = 0
self._common_supertype = None
def __add_display(self, output_spec, force=False):
if output_spec != 'any':
self.__display = ClassRendererMapping.getInstance().lookup(output_spec, self.__context)
if not self.__display and force:
self.__display = DefaultObjectsRenderer(self.__context)
if self.__display:
self.__display.connect('status-changed', self.__on_status_changed)
self.__display_widget = self.__display.get_widget()
self.__display_widget.show_all()
self.__scroll.add(self.__display_widget)
self.__output_type = output_spec
def __on_status_changed(self, renderer):
self.emit('status-changed')
self.do_autoscroll()
def start_search(self, old_focus):
try:
self.__display.start_search()
return True
except NotImplementedError as e:
pass
if self.__search is None:
self.__search = self.__display.get_search()
if self.__search is not True:
self.__box.pack_start(self.__search, expand=False)
self.__search.connect("close", self.__on_search_close)
self.__old_focus = old_focus
if self.__search is not True:
self.__search.show_all()
self.__search.focus()
return True
return False
def __on_search_close(self, search):
if self.__search is not True:
self.__search.hide()
if self.__old_focus:
self.__old_focus.grab_focus()
def supports_input(self):
return self.__display and self.__display.supports_input()
def start_input(self, old_focus):
if self.__inputarea is None:
self.__inputarea = self.__display.get_input()
if self.__inputarea is not True:
self.__box.pack_start(self.__inputarea, expand=False)
self.__inputarea.connect("close", self.__on_inputarea_close)
self.__inputarea.connect("object-input", self.__on_object_input)
self.__old_focus = old_focus
if self.__inputarea is not True:
self.__inputarea.show_all()
self.__inputarea.focus()
def __on_object_input(self, ia, obj, *args):
_logger.debug("got interactive object input: %s", obj)
self.emit('object-input', obj)
def __on_inputarea_close(self, search):
if self.__inputarea is not True:
self.__inputarea.hide()
if self.__old_focus:
self.__old_focus.grab_focus()
def get_opt_formats(self):
if self.__display:
return self.__display.get_opt_formats()
return []
def get_status_str(self):
return self.__display and self.__display.get_status_str()
def get_objects(self):
if self.__display:
for obj in self.__display.get_objects():
yield obj
else:
raise ValueError("Can't get object snapshot, no display")
def get_selected_objects(self):
if self.__display:
for obj in self.__display.get_selected_objects():
yield obj
else:
raise ValueError("Can't get object snapshot, no display")
def get_output_type(self):
"""Return the typespec for the current pipeline. See Pipeline
for a description of typespecs."""
return self.__output_type
def __recurse_get_common_superclass(self, c1, c2):
for base in c1.__bases__:
if base == c2:
return base
tmp = self.__recurse_get_common_superclass(base, c2)
if tmp:
return tmp
def __get_common_superclass(self, c1, c2):
if c1 == c2:
return c1
if isinstance(c2, c1):
(c1, c2) = (c2, c1)
elif not isinstance(c1, c2):
return object
return self.__recurse_get_common_superclass(c1, c2)
def get_output_common_supertype(self):
"""Return the common Python supertype inspected from the current stream."""
return self._common_supertype
def append_object(self, obj, fmt=None, **kwargs):
if fmt is None:
otype = type(obj)
# This is kind of a hack.
elif fmt in ('bytearray/chunked' 'x-filedescriptor/special'):
otype = str
# If we don't have a display at this point, it means we have a dynamically-typed
# object stream. In that case, force the issue and add the default display.
if not self.__display:
self.__add_display(otype, force=True)
# Determine common supertype so we can display it.
if self._common_supertype is None:
self._common_supertype = otype
elif self._common_supertype is not object:
self._common_supertype = self.__get_common_superclass(otype, self._common_supertype)
# Actually append.
if fmt is not None:
kwargs['fmt'] = fmt
self.__display.append_obj(obj, **kwargs)
def __vadjust(self, pos, full, forceuser=False):
adjustment = self.__scroll.get_vadjustment()
if not full:
val = self.__scroll.get_vadjustment().page_increment
if not pos:
val = 0 - val;
newval = adjustment.value + val
else:
if pos:
newval = adjustment.upper
else:
newval = adjustment.lower
newval = max(min(newval, adjustment.upper-adjustment.page_size), adjustment.lower)
adjustment.value = newval
def __on_scroll_value_changed(self, vadjust):
upper = vadjust.upper - vadjust.page_size
if upper - vadjust.value < (vadjust.page_size/3):
self.__user_scrolled = False
else:
self.__user_scrolled = True
def scroll_up(self, full, forceuser=True):
self.__vadjust(False, full)
def scroll_down(self, full, forceuser=True):
self.__vadjust(True, full)
def do_copy(self):
if self.__display:
return self.__display.do_copy()
return False
def __idle_do_autoscroll(self):
vadjust = self.__scroll.get_vadjustment()
vadjust.value = max(vadjust.lower, vadjust.upper - vadjust.page_size)
self.__autoscroll_id = 0
def do_autoscroll(self):
if self.__display and self.__display.get_autoscroll():
if not self.__user_scrolled:
if self.__autoscroll_id == 0:
self.__autoscroll_id = gobject.timeout_add(150, self.__idle_do_autoscroll)
class ObjectsDisplay(gtk.VBox):
__gsignals__ = {
"object-input": (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, )),
"status-changed": (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
}
def __init__(self, output_spec, context, **kwargs):
super(ObjectsDisplay, self).__init__(**kwargs)
self.__context = context
self.__box = gtk.VBox()
self.add(self.__box)
self.__scroll = gtk.ScrolledWindow()
self.__scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
vadjust = self.__scroll.get_vadjustment()
vadjust.connect('value-changed', self.__on_scroll_value_changed)
self.__search = None
self.__inputarea = None
self.__output_type = None
self.__old_focus = None
self.__box.pack_start(self.__scroll, expand=True)
self.__display = None
self.__add_display(output_spec)
self.__doing_autoscroll = False
self.__user_scrolled = False
self.__autoscroll_id = 0
self._common_supertype = None
def __add_display(self, output_spec, force=False):
if output_spec != 'any':
self.__display = ClassRendererMapping.getInstance().lookup(
output_spec, self.__context)
if not self.__display and force:
self.__display = DefaultObjectsRenderer(self.__context)
if self.__display:
self.__display.connect('status-changed', self.__on_status_changed)
self.__display_widget = self.__display.get_widget()
self.__display_widget.show_all()
self.__scroll.add(self.__display_widget)
self.__output_type = output_spec
def __on_status_changed(self, renderer):
self.emit('status-changed')
self.do_autoscroll()
def start_search(self, old_focus):
try:
self.__display.start_search()
return True
except NotImplementedError as e:
pass
if self.__search is None:
self.__search = self.__display.get_search()
if self.__search is not True:
self.__box.pack_start(self.__search, expand=False)
self.__search.connect("close", self.__on_search_close)
self.__old_focus = old_focus
if self.__search is not True:
self.__search.show_all()
self.__search.focus()
return True
return False
def __on_search_close(self, search):
if self.__search is not True:
self.__search.hide()
if self.__old_focus:
self.__old_focus.grab_focus()
def supports_input(self):
return self.__display and self.__display.supports_input()
def start_input(self, old_focus):
if self.__inputarea is None:
self.__inputarea = self.__display.get_input()
if self.__inputarea is not True:
self.__box.pack_start(self.__inputarea, expand=False)
self.__inputarea.connect("close", self.__on_inputarea_close)
self.__inputarea.connect("object-input",
self.__on_object_input)
self.__old_focus = old_focus
if self.__inputarea is not True:
self.__inputarea.show_all()
self.__inputarea.focus()
def __on_object_input(self, ia, obj, *args):
_logger.debug("got interactive object input: %s", obj)
self.emit('object-input', obj)
def __on_inputarea_close(self, search):
if self.__inputarea is not True:
self.__inputarea.hide()
if self.__old_focus:
self.__old_focus.grab_focus()
def get_opt_formats(self):
if self.__display:
return self.__display.get_opt_formats()
return []
def get_status_str(self):
return self.__display and self.__display.get_status_str()
def get_objects(self):
if self.__display:
for obj in self.__display.get_objects():
yield obj
else:
raise ValueError("Can't get object snapshot, no display")
def get_selected_objects(self):
if self.__display:
for obj in self.__display.get_selected_objects():
yield obj
else:
raise ValueError("Can't get object snapshot, no display")
def get_output_type(self):
"""Return the typespec for the current pipeline. See Pipeline
for a description of typespecs."""
return self.__output_type
def __recurse_get_common_superclass(self, c1, c2):
for base in c1.__bases__:
if base == c2:
return base
tmp = self.__recurse_get_common_superclass(base, c2)
if tmp:
return tmp
def __get_common_superclass(self, c1, c2):
if c1 == c2:
return c1
if isinstance(c2, c1):
(c1, c2) = (c2, c1)
elif not isinstance(c1, c2):
return object
return self.__recurse_get_common_superclass(c1, c2)
def get_output_common_supertype(self):
"""Return the common Python supertype inspected from the current stream."""
return self._common_supertype
def append_object(self, obj, fmt=None, **kwargs):
if fmt is None:
otype = type(obj)
# This is kind of a hack.
elif fmt in ('bytearray/chunked' 'x-filedescriptor/special'):
otype = str
# If we don't have a display at this point, it means we have a dynamically-typed
# object stream. In that case, force the issue and add the default display.
if not self.__display:
self.__add_display(otype, force=True)
# Determine common supertype so we can display it.
if self._common_supertype is None:
self._common_supertype = otype
elif self._common_supertype is not object:
self._common_supertype = self.__get_common_superclass(
otype, self._common_supertype)
# Actually append.
if fmt is not None:
kwargs['fmt'] = fmt
self.__display.append_obj(obj, **kwargs)
def __vadjust(self, pos, full, forceuser=False):
adjustment = self.__scroll.get_vadjustment()
if not full:
val = self.__scroll.get_vadjustment().page_increment
if not pos:
val = 0 - val
newval = adjustment.value + val
else:
if pos:
newval = adjustment.upper
else:
newval = adjustment.lower
newval = max(min(newval, adjustment.upper - adjustment.page_size),
adjustment.lower)
adjustment.value = newval
def __on_scroll_value_changed(self, vadjust):
upper = vadjust.upper - vadjust.page_size
if upper - vadjust.value < (vadjust.page_size / 3):
self.__user_scrolled = False
else:
self.__user_scrolled = True
def scroll_up(self, full, forceuser=True):
self.__vadjust(False, full)
def scroll_down(self, full, forceuser=True):
self.__vadjust(True, full)
def do_copy(self):
if self.__display:
return self.__display.do_copy()
return False
def __idle_do_autoscroll(self):
vadjust = self.__scroll.get_vadjustment()
vadjust.value = max(vadjust.lower, vadjust.upper - vadjust.page_size)
self.__autoscroll_id = 0
def do_autoscroll(self):
if self.__display and self.__display.get_autoscroll():
if not self.__user_scrolled:
if self.__autoscroll_id == 0:
self.__autoscroll_id = gobject.timeout_add(
150, self.__idle_do_autoscroll)
