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Diffstat (limited to 'sugar-toolkit/src/sugar/tutorius/actions.py')
| -rw-r--r-- | sugar-toolkit/src/sugar/tutorius/actions.py | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/sugar-toolkit/src/sugar/tutorius/actions.py b/sugar-toolkit/src/sugar/tutorius/actions.py deleted file mode 100644 index da8219e..0000000 --- a/sugar-toolkit/src/sugar/tutorius/actions.py +++ /dev/null @@ -1,152 +0,0 @@ -# Copyright (C) 2009, Tutorius.org -# -# This program 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 2 of the License, or -# (at your option) any later version. -# -# This program 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, write to the Free Software -# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -""" -This module defines Actions that can be done and undone on a state -""" - -from sugar.tutorius import gtkutils -from dialog import TutoriusDialog -from sugar.tutorius.services import ObjectStore -import overlayer - - -class Action(object): - """Base class for Actions""" - def __init__(self): - object.__init__(self) - - def do(self, **kwargs): - """ - Perform the action - """ - raise NotImplementedError("Not implemented") - - def undo(self): - """ - Revert anything the action has changed - """ - pass #Should raise NotImplemented? - - -class OnceWrapper(object): - """ - Wraps a class to perform an action once only - - This ConcreteActions's do() method will only be called on the first do() - and the undo() will be callable after do() has been called - """ - def __init__(self, action): - self._action = action - self._called = False - self._need_undo = False - - def do(self): - """ - Do the action only on the first time - """ - if not self._called: - self._called = True - self._action.do() - self._need_undo = True - - def undo(self): - """ - Undo the action if it's been done - """ - if self._need_undo: - self._action.undo() - self._need_undo = False - -class DialogMessage(Action): - """ - Shows a dialog with a given text, at the given position on the screen. - - @param message A string to display to the user - @param pos A list of the form [x, y] - """ - def __init__(self, message, pos=[0,0]): - super(DialogMessage, self).__init__() - self._message = message - self.position = pos - self._dialog = None - - def do(self): - """ - Show the dialog - """ - self._dialog = TutoriusDialog(self._message) - self._dialog.set_button_clicked_cb(self._dialog.close_self) - self._dialog.set_modal(False) - self._dialog.move(self.position[0], self.position[1]) - self._dialog.show() - - def undo(self): - """ - Destroy the dialog - """ - if self._dialog: - self._dialog.destroy() - self._dialog = None - - -class BubbleMessage(Action): - """ - Shows a dialog with a given text, at the given position on the screen. - - @param message A string to display to the user - @param pos A list of the form [x, y] - @param speaker treeish representation of the speaking widget - """ - def __init__(self, message, pos=[0,0], speaker=None, tailpos=None): - Action.__init__(self) - self._message = message - self.position = pos - - self.overlay = None - self._bubble = None - self._speaker = None - self._tailpos = tailpos - - - def do(self): - """ - Show the dialog - """ - # get or inject overlayer - self.overlay = ObjectStore().activity._overlayer - # FIXME: subwindows, are left to overlap this. This behaviour is - # undesirable. subwindows (i.e. child of top level windows) should be - # handled either by rendering over them, or by finding different way to - # draw the overlay. - - if not self._bubble: - x, y = self.position - # TODO: tails are relative to tailpos. They should be relative to - # the speaking widget. Same of the bubble position. - self._bubble = overlayer.TextBubble(text=self._message, - tailpos=self._tailpos) - self._bubble.show() - self.overlay.put(self._bubble, x, y) - self.overlay.queue_draw() - - def undo(self): - """ - Destroy the dialog - """ - if self._bubble: - self._bubble.destroy() - self._bubble = None - |