def add_widget_to_parent(self,
widget,
target,
from_undo=False,
from_kv=False,
kv_str='',
extra_args={}):
'''This function is used to add the widget to the target.
:param from_undo: this action is comming from undo
:param target: target will receive the widget
:param widget: widget to be added
'''
added = False
if widget is None:
return False
with self.sandbox:
if target is None:
self.root = widget
self.sandbox.add_widget(widget)
widget.size = self.sandbox.size
added = True
else:
if extra_args and self.from_drag:
self.drag_wigdet(widget, target, extra_args=extra_args)
else:
target.add_widget(widget)
added = True
if not added:
return False
self.widgettree.refresh()
if not from_kv:
if not kv_str and hasattr(widget, '_KD_KV_STR'):
kv_str = widget._KD_KV_STR
del widget._KD_KV_STR
self.kv_code_input.add_widget_to_parent(widget,
target,
kv_str=kv_str)
if not from_undo:
root = App.get_running_app().root
root.undo_manager.push_operation(
WidgetOperation('add', widget, target, self, ''))
def remove_widget_from_parent(self,
widget,
from_undo=False,
from_kv=False):
'''This function is used to remove widget its parent.
:param from_undo: is comming from an undo action
:param widget: widget to be removed
'''
parent = None
d = get_designer()
if not widget:
return
removed_str = ''
if not from_kv:
removed_str = self.kv_code_input.remove_widget_from_parent(widget)
if widget != self.root:
parent = widget.parent
if parent is None and hasattr(widget, 'KD__last_parent'):
parent = widget.KD__last_parent
if isinstance(parent.parent, Carousel):
parent.parent.remove_widget(widget)
elif isinstance(parent, ScreenManager):
if isinstance(widget, Screen):
parent.remove_widget(widget)
else:
parent.real_remove_widget(widget)
else:
parent.remove_widget(widget)
else:
self.root.parent.remove_widget(self.root)
self.root = None
# if is designer
if hasattr(d, 'ui_creator'):
d.ui_creator.widgettree.refresh()
if not from_undo and hasattr(d, 'ui_creator'):
d.undo_manager.push_operation(
WidgetOperation('remove', widget, parent, self, removed_str))
def add_widget_to_parent(self,
widget,
target,
from_undo=False,
from_kv=False,
kv_str='',
extra_args={}):
'''This function is used to add the widget to the target.
'''
added = False
if target is None:
with self.sandbox:
self.root = widget
self.sandbox.add_widget(widget)
widget.size = self.sandbox.size
added = True
else:
with self.sandbox:
if extra_args and self.from_drag:
self.drag_wigdet(widget, target, extra_args=extra_args)
else:
target.add_widget(widget)
added = True
if not added:
return False
self.widgettree.refresh()
if not from_kv:
self.kv_code_input.add_widget_to_parent(widget,
target,
kv_str=kv_str)
if not from_undo:
root = App.get_running_app().root
root.undo_manager.push_operation(
WidgetOperation('add', widget, target, self, ''))
def remove_widget_from_parent(self,
widget,
from_undo=False,
from_kv=False):
'''This function is used to remove widget its parent.
'''
parent = None
root = App.get_running_app().root
if not widget:
return
removed_str = ''
if not from_kv:
removed_str = self.kv_code_input.remove_widget_from_parent(
widget, parent)
if widget != self.root:
parent = widget.parent
if isinstance(parent.parent, Carousel):
parent.parent.remove_widget(widget)
elif isinstance(parent, ScreenManager):
if isinstance(widget, Screen):
parent.remove_widget(widget)
else:
parent.real_remove_widget(widget)
else:
parent.remove_widget(widget)
else:
self.root.parent.remove_widget(self.root)
self.root = None
# self.tree.delete(widget)
if root is not None:
root.ui_creator.widgettree.refresh()
if not from_undo and root is not None:
root.undo_manager.push_operation(
WidgetOperation('remove', widget, parent, self, removed_str))