Source code for timelinelib.wxgui.components.containerchoice
# 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
import wx.lib.newevent
from timelinelib.canvas.data.exceptions import TimelineIOError
from timelinelib.wxgui.dialogs.editcontainer.view import EditContainerDialog
import timelinelib.wxgui.utils as gui_utils
[docs]class ContainerChoice(wx.Choice):
ContainerChangedEvent, EVT_CONTAINER_CHANGED = wx.lib.newevent.NewEvent()
[docs] def __init__(self, parent, db, **kwargs):
wx.Choice.__init__(self, parent, **kwargs)
self.db = db
self._clear()
self.Bind(wx.EVT_CHOICE, self._on_choice)
[docs] def Fill(self, select_container):
self._clear()
self._fill(self.db.get_containers(), select_container)
[docs] def GetSelectedContainer(self):
selection = self.GetSelection()
if selection != -1:
return self.GetClientData(selection)
else:
return None
def _on_choice(self, event):
new_selection_index = event.GetSelection()
if new_selection_index > self.last_real_container_index:
self.SetSelection(self.current_container_selection)
if new_selection_index == self.add_container_item_index:
self._add_container()
else:
self.current_container_selection = new_selection_index
wx.PostEvent(self, self.ContainerChangedEvent())
def _add_container(self):
dialog = EditContainerDialog(self, _("Add Container"), self.db, None)
if dialog.ShowModal() == wx.ID_OK:
self.Fill(dialog.GetEditedContainer())
dialog.Destroy()
def _clear(self):
self.last_real_container_index = None
self.add_container_item_index = None
self.current_container_selection = None
self.Clear()
def _fill(self, containers, select_container):
self.Append("", None)
selection_set = False
current_item_index = 1
if select_container is not None and select_container not in containers:
self.Append(select_container.text, select_container)
self._select(current_item_index)
current_item_index += 1
selection_set = True
for container in containers:
self.Append(container.text, container)
if not selection_set:
if container == select_container:
self._select(current_item_index)
selection_set = True
current_item_index += 1
self.last_real_container_index = current_item_index - 1
self.add_container_item_index = self.last_real_container_index + 2
self.Append("", None)
self.Append(_("Add new"), None)
if not selection_set:
self._select(0)
def _select(self, index):
self.SetSelection(index)
self.current_container_selection = self.GetSelection()
wx.PostEvent(self, self.ContainerChangedEvent())