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# 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
import gtk, gtk.gdk
from sugar.tutorius.filters import EventFilter
from sugar.tutorius.properties import TStringProperty, TArrayProperty
from sugar.tutorius import overlayer
from sugar.tutorius.services import ObjectStore
class MessageButtonNext(EventFilter):
"""
MessageButtonNext
"""
message = TStringProperty("Message")
# Create the position as an array of fixed-size 2
position = TArrayProperty((0,0), 2, 2)
def __init__(self, message=None, position=None):
"""Constructor.
@param message message to display
@param position message position
"""
super(MessageButtonNext,self).__init__()
if position:
self.position = position
else:
self.position = (300, 200)
self.message = None
if message:
self.message = message
self.overlay = None
self.msgnext = None
def install_handlers(self, callback, **kwargs):
"""install_handlers creates the message button next and shows it"""
super(MessageButtonNext,self).install_handlers(callback, **kwargs)
# get or inject overlayer
self.overlay = ObjectStore().activity._overlayer
if not self.overlay:
self.overlay = ObjectStore().activity._overlayer
self.msgnext = None
self.btntext = "NEXT"
self.msgnext = overlayer.MsgNext(text=self.message,btntext=self.btntext)
self.msgnext._btnnext.connect("clicked", self.btnnext_clicked)
# add space around minimum need size
wid_width, wid_height = self.msgnext.size_request()
self.msgnext.set_size_request(wid_width+40, wid_height+40)
self.msgnext.show()
# set position
x, y = self.position
self.overlay.put(self.msgnext, x, y)
self.overlay.queue_draw()
def remove_handlers(self):
"""remove handler removes the message button next"""
super(MessageButtonNext,self).remove_handlers()
if self.msgnext:
self.msgnext.destroy()
self.msgnext = None
def btnnext_clicked(self, widget):
self.do_callback()
__event__ = {
"name" : "MessageButtonNext",
"display_name" : "Message button next",
"icon" : "message-bubble",
"class" : MessageButtonNext,
"mandatory_props" : ["message"]
}
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