Source code for timelinelib.wxgui.components.categorychoice
# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Rickard Lindberg, Roger Lindberg
#
# This file is part of Timeline.
#
# Timeline is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Timeline is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Timeline. If not, see <http://www.gnu.org/licenses/>.
import wx
from timelinelib.canvas.data.exceptions import TimelineIOError
from timelinelib.repositories.dbwrapper import DbWrapperCategoryRepository
from timelinelib.wxgui.dialogs.editcategory.view import EditCategoryDialog
import timelinelib.wxgui.utils as gui_utils
[docs]class CategoryChoice(wx.Choice):
[docs] def __init__(self, parent, timeline, allow_add=False, **kwargs):
wx.Choice.__init__(self, parent, wx.ID_ANY, **kwargs)
self.timeline = timeline
self.category_repository = DbWrapperCategoryRepository(self.timeline)
self.allow_add = allow_add
self.Bind(wx.EVT_CHOICE, self._on_choice)
self._clear()
[docs] def Populate(self, exclude=None, select=None):
self.exclude = exclude
self._clear()
self._populate_tree(self.category_repository.get_tree(remove=exclude))
self.SetSelectedCategory(select)
[docs] def GetSelectedCategory(self):
if self.GetSelection() == wx.NOT_FOUND:
return None
return self.GetClientData(self.GetSelection())
[docs] def SetSelectedCategory(self, category):
self.SetSelection(self._get_index(category))
self.current_category_selection = self.GetSelection()
def _clear(self):
self.Clear()
self.add_category_item_index = None
self.edit_categoris_item_index = None
self.last_real_category_index = None
self.current_category_selection = self.GetSelection()
def _get_index(self, category):
for index in range(self.GetCount()):
if self.GetClientData(index) == category:
return index
return 0
def _populate_tree(self, tree):
self.Append("", None)
self._append_tree(tree)
self.last_real_category_index = self.GetCount() - 1
if self.allow_add:
self.Append("", None)
if self.allow_add:
self.add_category_item_index = self.GetCount()
self.Append(_("Add new"), None)
def _append_tree(self, tree, indent=""):
for (category, subtree) in tree:
self.Append(indent + category.name, category)
self._append_tree(subtree, indent + " ")
def _on_choice(self, event):
new_selection_index = event.GetSelection()
if new_selection_index > self.last_real_category_index:
self.SetSelection(self.current_category_selection)
if new_selection_index == self.add_category_item_index:
self._add_category()
else:
self.current_category_selection = new_selection_index
event.Skip() # Let the event propagate
def _add_category(self):
dialog = EditCategoryDialog(self, _("Add Category"), self.timeline, None)
if dialog.ShowModal() == wx.ID_OK:
self.Populate(select=dialog.GetEditedCategory(), exclude=self.exclude)
dialog.Destroy()