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DnD implementation for the bouquets list

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DYefremov
2018-09-20 11:06:33 +03:00
parent 562a5e5c6d
commit 90564859b2
1 changed files with 25 additions and 5 deletions
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30
app/ui/main_app_window.py
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@@ -460,7 +460,9 @@ class MainAppWindow:
# ***************** Drag-and-drop *********************#
def on_view_drag_data_get(self, view, drag_context, data, info, time):
data.set_text(self.get_selection(view), -1)
selection = self.get_selection(view)
if selection:
data.set_text(selection, -1)
def on_view_drag_data_received(self, view, drag_context, x, y, data, info, time):
self.receive_selection(view=view, drop_info=view.get_dest_row_at_pos(x, y), data=data.get_text())
@@ -469,6 +471,8 @@ class MainAppWindow:
model = get_base_model(view.get_model())
drop_info = view.get_dest_row_at_pos(x, y)
data = data.get_text()
if not data:
return
itr_str, sep, source = data.partition("::::")
if source != self._BOUQUETS_LIST_NAME:
return
@@ -477,10 +481,26 @@ class MainAppWindow:
path, position = drop_info
itrs = [model.get_iter_from_string(itr) for itr in itr_str.split(",")]
top_iter = model.get_iter(path)
if model.iter_n_children(top_iter): # parent
pass
else:
list(map(lambda itr: model.move_before(itr, top_iter), itrs))
parent_itr = model.iter_parent(top_iter) # parent
to_del = []
if parent_itr:
p_path = model.get_path(parent_itr)[0]
for itr in itrs:
p_itr = model.iter_parent(itr)
if not p_itr:
break
if p_itr and model.get_path(p_itr)[0] == p_path:
top_iter = model.move_before(itr, top_iter)
else:
model.insert(parent_itr, model.get_path(top_iter)[1], model[itr][:])
to_del.append(itr)
elif not model.iter_has_child(top_iter):
for itr in itrs:
model.append(top_iter, model[itr][:])
to_del.append(itr)
view.expand_all()
list(map(model.remove, to_del))
def get_selection(self, view):
""" Creates a string from the iterators of the selected rows """