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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach 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.
Task Coach 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 this program. If not, see <http://www.gnu.org/licenses/>.
'''
from taskcoachlib import patterns, meta, notify
from taskcoachlib.domain import date, task
from taskcoachlib.gui.dialog import reminder, editor
from taskcoachlib.i18n import _
from wx.lib.pubsub import pub
import wx
class ReminderController(object):
def __init__(self, mainWindow, taskList, effortList, settings):
super(ReminderController, self).__init__()
pub.subscribe(self.onSetReminder, task.Task.reminderChangedEventType())
patterns.Publisher().registerObserver(self.onAddTask,
eventType=taskList.addItemEventType(),
eventSource=taskList)
patterns.Publisher().registerObserver(self.onRemoveTask,
eventType=taskList.removeItemEventType(),
eventSource=taskList)
self.__tasksWithReminders = {} # {task: reminderDateTime}
self.__mainWindow = mainWindow
self.__mainWindowWasHidden = False
self.__registerRemindersForTasks(taskList)
self.settings = settings
self.taskList = taskList
self.effortList = effortList
def onAddTask(self, event):
self.__registerRemindersForTasks(event.values())
def onRemoveTask(self, event):
self.__removeRemindersForTasks(event.values())
def onSetReminder(self, newValue, sender): # pylint: disable=W0613
self.__removeRemindersForTasks([sender])
self.__registerRemindersForTasks([sender])
def onReminder(self):
self.showReminderMessages(date.DateTime.now())
def showReminderMessages(self, now):
now += date.TimeDelta(seconds=5) # Be sure not to miss reminders
requestUserAttention = False
for taskWithReminder in self.__tasksWithReminders.copy():
if taskWithReminder.reminder() <= now:
requestUserAttention = True
self.showReminderMessage(taskWithReminder)
if requestUserAttention:
self.requestUserAttention()
def showReminderMessage(self, taskWithReminder,
ReminderDialog=reminder.ReminderDialog):
if self.__useOwnReminderDialog():
self.__showReminderDialog(taskWithReminder, ReminderDialog)
self.__removeReminder(taskWithReminder)
else:
self.__showReminderViaNotifier(taskWithReminder)
self.__removeReminder(taskWithReminder)
self.__snooze(taskWithReminder)
def __useOwnReminderDialog(self):
notifier = self.settings.get('feature', 'notifier')
return notifier == 'Task Coach' or notify.AbstractNotifier.get(notifier) is None
def __showReminderDialog(self, taskWithReminder, ReminderDialog):
# If the dialog has self.__mainWindow as parent, it steals the focus when
# returning to Task Coach through Alt+Tab; we don't want that for
# reminders.
reminderDialog = ReminderDialog(taskWithReminder, self.taskList,
self.effortList, self.settings, None)
reminderDialog.Bind(wx.EVT_CLOSE, self.onCloseReminderDialog)
reminderDialog.Show()
def __showReminderViaNotifier(self, taskWithReminder):
notifier = notify.AbstractNotifier.get(self.settings.get('feature', 'notifier'))
notifier.notify(_('%s Reminder') % meta.name, taskWithReminder.subject(),
wx.ArtProvider.GetBitmap('taskcoach', size=wx.Size(32, 32)),
windowId=self.__mainWindow.GetHandle())
def __snooze(self, taskWithReminder):
minutesToSnooze = self.settings.getint('view', 'defaultsnoozetime')
taskWithReminder.snoozeReminder(date.TimeDelta(minutes=minutesToSnooze))
def onCloseReminderDialog(self, event, show=True):
event.Skip()
dialog = event.EventObject
taskWithReminder = dialog.task
if not dialog.ignoreSnoozeOption:
snoozeOptions = dialog.snoozeOptions
snoozeTimeDelta = snoozeOptions.GetClientData(snoozeOptions.Selection)
taskWithReminder.snoozeReminder(snoozeTimeDelta) # Note that this is not undoable
# Undoing the snoozing makes little sense, because it would set the
# reminder back to its original date-time, which is now in the past.
if dialog.openTaskAfterClose:
editTask = editor.TaskEditor(self.__mainWindow, [taskWithReminder],
self.settings, self.taskList, self.__mainWindow.taskFile,
bitmap='edit')
editTask.Show(show)
else:
editTask = None
dialog.Destroy()
if self.__mainWindowWasHidden:
self.__mainWindow.Hide()
return editTask # For unit testing purposes
def requestUserAttention(self):
notifier = self.settings.get('feature', 'notifier')
if notifier != 'Task Coach' and notify.AbstractNotifier.get(notifier) is not None:
# When using Growl/Snarl, this is not necessary. Even when not using Growl, it's
# annoying as hell. Anyway.
return
self.__mainWindowWasHidden = not self.__mainWindow.IsShown()
if self.__mainWindowWasHidden:
self.__mainWindow.Show()
if not self.__mainWindow.IsActive():
self.__mainWindow.RequestUserAttention()
def __registerRemindersForTasks(self, tasks):
for eachTask in tasks:
if eachTask.reminder() and eachTask.reminder() < date.DateTime():
self.__registerReminder(eachTask)
def __removeRemindersForTasks(self, tasks):
for eachTask in tasks:
if eachTask in self.__tasksWithReminders:
self.__removeReminder(eachTask)
def __registerReminder(self, taskWithReminder):
reminderDateTime = taskWithReminder.reminder()
now = date.DateTime.now()
if reminderDateTime < now:
reminderDateTime = now + date.TimeDelta(seconds=10)
self.__tasksWithReminders[taskWithReminder] = date.Scheduler().schedule(self.onReminder,
reminderDateTime)
def __removeReminder(self, taskWithReminder):
job = self.__tasksWithReminders[taskWithReminder]
date.Scheduler().unschedule(job)
del self.__tasksWithReminders[taskWithReminder]
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