652 lines
22 KiB
Python
652 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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## src/adhoc_commands.py
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##
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## Copyright (C) 2006 Nikos Kouremenos <kourem AT gmail.com>
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## Copyright (C) 2006-2007 Tomasz Melcer <liori AT exroot.org>
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## Copyright (C) 2006-2014 Yann Leboulanger <asterix AT lagaule.org>
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## Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
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## Stephan Erb <steve-e AT h3c.de>
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##
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## This file is part of Gajim.
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##
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## Gajim is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published
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## by the Free Software Foundation; version 3 only.
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##
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## Gajim is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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##
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# FIXME: think if we need caching command list. it may be wrong if there will
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# be entities that often change the list, it may be slow to fetch it every time
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from gi.repository import GLib
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from gi.repository import Gtk
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import nbxmpp
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from gajim.common import app
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from gajim.common import dataforms
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from gajim import gtkgui_helpers
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from gajim import dialogs
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from gajim import dataforms_widget
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class CommandWindow:
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"""
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Class for a window for single ad-hoc commands session
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Note, that there might be more than one for one account/jid pair in one
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moment.
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TODO: Maybe put this window into MessageWindow? consider this when it will
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be possible to manage more than one window of one.
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TODO: Account/jid pair in MessageWindowMgr.
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TODO: GTK 2.10 has a special wizard-widget, consider using it...
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"""
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def __init__(self, account, jid, commandnode=None):
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"""
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Create new window
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"""
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# an account object
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self.account = app.connections[account]
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self.jid = jid
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self.commandnode = commandnode
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self.data_form_widget = None
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# retrieving widgets from xml
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self.xml = gtkgui_helpers.get_gtk_builder('adhoc_commands_window.ui')
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self.window = self.xml.get_object('adhoc_commands_window')
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self.window.connect('delete-event',
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self.on_adhoc_commands_window_delete_event)
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for name in ('restart_button', 'back_button', 'forward_button',
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'execute_button', 'finish_button', 'close_button', 'stages_notebook',
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'retrieving_commands_stage_vbox', 'command_list_stage_vbox',
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'command_list_vbox', 'sending_form_stage_vbox',
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'sending_form_progressbar', 'notes_label', 'no_commands_stage_vbox',
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'error_stage_vbox', 'error_description_label'):
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setattr(self, name, self.xml.get_object(name))
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self.initiate()
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def initiate(self):
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self.pulse_id = None # to satisfy self.setup_pulsing()
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self.commandlist = None # a list of (commandname, commanddescription)
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# command's data
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self.sessionid = None
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self.dataform = None
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self.allow_stage3_close = False
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# creating data forms widget
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if self.data_form_widget:
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self.sending_form_stage_vbox.remove(self.data_form_widget)
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self.data_form_widget.destroy()
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self.data_form_widget = dataforms_widget.DataFormWidget()
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self.data_form_widget.show()
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self.sending_form_stage_vbox.pack_start(self.data_form_widget, True, True, 0)
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if self.commandnode:
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# Execute command
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self.stage3()
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else:
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# setting initial stage
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self.stage1()
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# displaying the window
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self.window.set_title(_('Ad-hoc Commands - Gajim'))
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self.xml.connect_signals(self)
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self.window.show_all()
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self.restart_button.set_sensitive(False)
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# These functions are set up by appropriate stageX methods.
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def stage_finish(self, *anything):
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pass
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def stage_back_button_clicked(self, *anything):
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assert False
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def stage_forward_button_clicked(self, *anything):
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assert False
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def stage_execute_button_clicked(self, *anything):
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assert False
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def stage_close_button_clicked(self, *anything):
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assert False
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def stage_restart_button_clicked(self, *anything):
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assert False
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def stage_adhoc_commands_window_delete_event(self, *anything):
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assert False
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def do_nothing(self, *anything):
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return False
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# Widget callbacks...
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def on_back_button_clicked(self, *anything):
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return self.stage_back_button_clicked(*anything)
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def on_forward_button_clicked(self, *anything):
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return self.stage_forward_button_clicked(*anything)
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def on_execute_button_clicked(self, *anything):
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return self.stage_execute_button_clicked(*anything)
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def on_finish_button_clicked(self, *anything):
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return self.stage_finish_button_clicked(*anything)
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def on_close_button_clicked(self, *anything):
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return self.stage_close_button_clicked(*anything)
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def on_restart_button_clicked(self, *anything):
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return self.stage_restart_button_clicked(*anything)
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def on_adhoc_commands_window_destroy(self, *anything):
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# TODO: do all actions that are needed to remove this object from memory
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self.remove_pulsing()
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def on_adhoc_commands_window_delete_event(self, *anything):
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return self.stage_adhoc_commands_window_delete_event(self.window)
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def __del__(self):
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print('Object has been deleted.')
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# stage 1: waiting for command list
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def stage1(self):
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"""
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Prepare the first stage. Request command list, set appropriate state of
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widgets
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"""
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# close old stage...
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self.stage_finish()
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# show the stage
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self.stages_notebook.set_current_page(
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self.stages_notebook.page_num(
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self.retrieving_commands_stage_vbox))
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# set widgets' state
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(False)
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self.forward_button.set_sensitive(False)
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self.execute_button.set_sensitive(False)
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self.finish_button.set_sensitive(False)
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# request command list
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self.request_command_list()
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self.setup_pulsing(
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self.xml.get_object('retrieving_commands_progressbar'))
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# setup the callbacks
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self.stage_finish = self.stage1_finish
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self.stage_close_button_clicked = self.stage1_close_button_clicked
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self.stage_restart_button_clicked = self.stage1_restart_button_clicked
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self.stage_adhoc_commands_window_delete_event = \
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self.stage1_adhoc_commands_window_delete_event
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def stage1_finish(self):
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self.remove_pulsing()
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def stage1_close_button_clicked(self, widget):
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# cancelling in this stage is not critical, so we don't
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# show any popups to user
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self.stage_finish()
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self.window.destroy()
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def stage1_restart_button_clicked(self, widget):
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self.stage_finish()
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self.restart()
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def stage1_adhoc_commands_window_delete_event(self, widget):
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self.stage1_finish()
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return True
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# stage 2: choosing the command to execute
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def stage2(self):
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"""
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Populate the command list vbox with radiobuttons
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FIXME: If there is more commands, maybe some kind of list, set widgets
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state
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"""
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# close old stage
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self.stage_finish()
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assert len(self.commandlist)>0
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self.stages_notebook.set_current_page(
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self.stages_notebook.page_num(self.command_list_stage_vbox))
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(False)
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self.forward_button.set_sensitive(True)
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self.execute_button.set_sensitive(False)
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self.finish_button.set_sensitive(False)
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# build the commands list radiobuttons
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first_radio = None
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for (commandnode, commandname) in self.commandlist:
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radio = Gtk.RadioButton.new_with_label_from_widget(first_radio, commandname)
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radio.connect("toggled", self.on_command_radiobutton_toggled,
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commandnode)
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if not first_radio:
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first_radio = radio
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self.commandnode = commandnode
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self.command_list_vbox.pack_start(radio, False, True, 0)
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self.command_list_vbox.show_all()
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self.stage_finish = self.stage2_finish
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self.stage_close_button_clicked = self.stage2_close_button_clicked
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self.stage_restart_button_clicked = self.stage2_restart_button_clicked
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self.stage_forward_button_clicked = self.stage2_forward_button_clicked
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self.stage_adhoc_commands_window_delete_event = self.do_nothing
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def stage2_finish(self):
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"""
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Remove widgets we created. Not needed when the window is destroyed
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"""
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def remove_widget(widget, param):
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self.command_list_vbox.remove(widget)
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self.command_list_vbox.foreach(remove_widget, None)
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def stage2_close_button_clicked(self, widget):
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self.stage_finish()
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self.window.destroy()
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def stage2_restart_button_clicked(self, widget):
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self.stage_finish()
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self.restart()
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def stage2_forward_button_clicked(self, widget):
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self.stage3()
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def on_command_radiobutton_toggled(self, widget, commandnode):
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self.commandnode = commandnode
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def on_check_commands_1_button_clicked(self, widget):
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self.stage1()
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# stage 3: command invocation
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def stage3(self):
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# close old stage
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self.stage_finish()
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self.form_status = None
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self.stages_notebook.set_current_page(
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self.stages_notebook.page_num(
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self.sending_form_stage_vbox))
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self.restart_button.set_sensitive(True)
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(False)
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self.forward_button.set_sensitive(False)
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self.execute_button.set_sensitive(False)
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self.finish_button.set_sensitive(False)
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self.stage3_submit_form()
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self.stage_finish = self.stage3_finish
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self.stage_back_button_clicked = self.stage3_back_button_clicked
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self.stage_forward_button_clicked = self.stage3_forward_button_clicked
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self.stage_execute_button_clicked = self.stage3_execute_button_clicked
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self.stage_finish_button_clicked = self.stage3_finish_button_clicked
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self.stage_close_button_clicked = self.stage3_close_button_clicked
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self.stage_restart_button_clicked = self.stage3_restart_button_clicked
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self.stage_adhoc_commands_window_delete_event = \
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self.stage3_close_button_clicked
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def stage3_finish(self):
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pass
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def stage3_can_close(self, cb):
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if self.form_status == 'completed':
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cb()
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return
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def on_yes(button):
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self.send_cancel()
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dialog.destroy()
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cb()
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dialog = dialogs.HigDialog(self.window, Gtk.MessageType.WARNING,
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Gtk.ButtonsType.YES_NO, _('Cancel confirmation'),
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_('You are in process of executing command. Do you really want to '
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'cancel it?'), on_response_yes=on_yes)
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dialog.popup()
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def stage3_close_button_clicked(self, widget):
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"""
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We are in the middle of executing command. Ask user if he really want to
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cancel the process, then cancel it
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"""
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# this works also as a handler for window_delete_event, so we have to
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# return appropriate values
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if self.allow_stage3_close:
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return False
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def on_ok():
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self.allow_stage3_close = True
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self.window.destroy()
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self.stage3_can_close(on_ok)
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return True # Block event, don't close window
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def stage3_restart_button_clicked(self, widget):
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def on_ok():
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self.restart()
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self.stage3_can_close(on_ok)
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def stage3_back_button_clicked(self, widget):
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self.stage3_submit_form('prev')
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def stage3_forward_button_clicked(self, widget):
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self.stage3_submit_form('next')
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def stage3_execute_button_clicked(self, widget):
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self.stage3_submit_form('execute')
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def stage3_finish_button_clicked(self, widget):
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self.stage3_submit_form('complete')
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def stage3_submit_form(self, action='execute'):
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self.data_form_widget.set_sensitive(False)
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if self.data_form_widget.get_data_form():
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df = self.data_form_widget.get_data_form()
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if not df.is_valid():
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dialogs.ErrorDialog(
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_('Invalid Form'),
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_('The form is not filled correctly.'),
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transient_for=self.window)
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self.data_form_widget.set_sensitive(True)
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return
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self.data_form_widget.data_form.type_ = 'submit'
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else:
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self.data_form_widget.hide()
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(False)
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self.forward_button.set_sensitive(False)
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self.execute_button.set_sensitive(False)
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self.finish_button.set_sensitive(False)
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self.sending_form_progressbar.show()
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self.setup_pulsing(self.sending_form_progressbar)
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self.send_command(action)
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def stage3_next_form(self, command):
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if not isinstance(command, nbxmpp.Node):
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self.stage5(error=_('Service sent malformed data'), senderror=True)
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return
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self.remove_pulsing()
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self.sending_form_progressbar.hide()
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if not self.sessionid:
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self.sessionid = command.getAttr('sessionid')
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elif self.sessionid != command.getAttr('sessionid'):
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self.stage5(error=_('Service changed the session identifier.'),
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senderror=True)
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return
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self.form_status = command.getAttr('status')
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self.commandnode = command.getAttr('node')
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if command.getTag('x'):
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self.dataform = dataforms.ExtendForm(node=command.getTag('x'))
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self.data_form_widget.set_sensitive(True)
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try:
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self.data_form_widget.selectable = True
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self.data_form_widget.data_form = self.dataform
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except dataforms.Error:
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self.stage5(error=_('Service sent malformed data'),
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senderror=True)
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return
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self.data_form_widget.show()
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if self.data_form_widget.title:
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self.window.set_title(_('%s - Ad-hoc Commands - Gajim') % \
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self.data_form_widget.title)
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else:
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self.data_form_widget.hide()
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actions = command.getTag('actions')
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if actions:
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# actions, actions, actions...
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(actions.getTag('prev') is not None)
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self.forward_button.set_sensitive(
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actions.getTag('next') is not None)
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self.execute_button.set_sensitive(True)
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self.finish_button.set_sensitive(actions.getTag('complete') is not \
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None)
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else:
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(False)
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self.forward_button.set_sensitive(False)
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self.execute_button.set_sensitive(True)
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self.finish_button.set_sensitive(False)
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if self.form_status == 'completed':
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self.close_button.set_sensitive(True)
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self.back_button.hide()
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self.forward_button.hide()
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self.execute_button.hide()
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self.finish_button.hide()
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self.close_button.show()
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self.stage_adhoc_commands_window_delete_event = \
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self.stage3_close_button_clicked
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note = command.getTag('note')
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if note:
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self.notes_label.set_text(note.getData())
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self.notes_label.set_no_show_all(False)
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self.notes_label.show()
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else:
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self.notes_label.set_no_show_all(True)
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self.notes_label.hide()
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def restart(self):
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self.commandnode = None
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self.initiate()
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# stage 4: no commands are exposed
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def stage4(self):
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"""
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Display the message. Wait for user to close the window
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"""
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# close old stage
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self.stage_finish()
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self.stages_notebook.set_current_page(
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self.stages_notebook.page_num(self.no_commands_stage_vbox))
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self.close_button.set_sensitive(True)
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self.back_button.set_sensitive(False)
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self.forward_button.set_sensitive(False)
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self.execute_button.set_sensitive(False)
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self.finish_button.set_sensitive(False)
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self.stage_finish = self.do_nothing
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self.stage_close_button_clicked = self.stage4_close_button_clicked
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self.stage_restart_button_clicked = self.stage4_restart_button_clicked
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self.stage_adhoc_commands_window_delete_event = self.do_nothing
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def stage4_close_button_clicked(self, widget):
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self.window.destroy()
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def stage4_restart_button_clicked(self, widget):
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self.restart()
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def on_check_commands_2_button_clicked(self, widget):
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self.stage1()
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# stage 5: an error has occured
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def stage5(self, error=None, errorid=None, senderror=False):
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"""
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Display the error message. Wait for user to close the window
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"""
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# FIXME: sending error to responder
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# close old stage
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self.stage_finish()
|
|
|
|
assert errorid or error
|
|
|
|
if errorid:
|
|
# we've got error code, display appropriate message
|
|
try:
|
|
errorname = nbxmpp.NS_STANZAS + ' ' + str(errorid)
|
|
errordesc = nbxmpp.ERRORS[errorname][2]
|
|
error = errordesc
|
|
del errorname, errordesc
|
|
except KeyError: # when stanza doesn't have error description
|
|
error = _('Service returned an error.')
|
|
elif error:
|
|
# we've got error message
|
|
pass
|
|
else:
|
|
# we don't know what's that, bailing out
|
|
assert False
|
|
|
|
self.stages_notebook.set_current_page(
|
|
self.stages_notebook.page_num(self.error_stage_vbox))
|
|
|
|
self.close_button.set_sensitive(True)
|
|
self.back_button.hide()
|
|
self.forward_button.hide()
|
|
self.execute_button.hide()
|
|
self.finish_button.hide()
|
|
|
|
self.error_description_label.set_text(error)
|
|
|
|
self.stage_finish = self.do_nothing
|
|
self.stage_close_button_clicked = self.stage5_close_button_clicked
|
|
self.stage_restart_button_clicked = self.stage5_restart_button_clicked
|
|
self.stage_adhoc_commands_window_delete_event = self.do_nothing
|
|
|
|
def stage5_close_button_clicked(self, widget):
|
|
self.window.destroy()
|
|
|
|
def stage5_restart_button_clicked(self, widget):
|
|
self.restart()
|
|
|
|
# helpers to handle pulsing in progressbar
|
|
def setup_pulsing(self, progressbar):
|
|
"""
|
|
Set the progressbar to pulse. Makes a custom function to repeatedly call
|
|
progressbar.pulse() method
|
|
"""
|
|
assert not self.pulse_id
|
|
assert isinstance(progressbar, Gtk.ProgressBar)
|
|
|
|
def callback():
|
|
progressbar.pulse()
|
|
return True # important to keep callback be called back!
|
|
|
|
# 12 times per second (80 miliseconds)
|
|
self.pulse_id = GLib.timeout_add(80, callback)
|
|
|
|
def remove_pulsing(self):
|
|
"""
|
|
Stop pulsing, useful when especially when removing widget
|
|
"""
|
|
if self.pulse_id:
|
|
GLib.source_remove(self.pulse_id)
|
|
self.pulse_id = None
|
|
|
|
# handling xml stanzas
|
|
def request_command_list(self):
|
|
"""
|
|
Request the command list. Change stage on delivery
|
|
"""
|
|
query = nbxmpp.Iq(typ='get', to=nbxmpp.JID(self.jid),
|
|
queryNS=nbxmpp.NS_DISCO_ITEMS)
|
|
query.setQuerynode(nbxmpp.NS_COMMANDS)
|
|
|
|
def callback(response):
|
|
'''Called on response to query.'''
|
|
# FIXME: move to connection_handlers.py
|
|
# is error => error stage
|
|
error = response.getError()
|
|
if error:
|
|
# extracting error description
|
|
self.stage5(errorid=error)
|
|
return
|
|
|
|
# no commands => no commands stage
|
|
# commands => command selection stage
|
|
query = response.getTag('query')
|
|
if query and query.getAttr('node') == nbxmpp.NS_COMMANDS:
|
|
items = query.getTags('item')
|
|
else:
|
|
items = []
|
|
if len(items)==0:
|
|
self.commandlist = []
|
|
self.stage4()
|
|
else:
|
|
self.commandlist = [(t.getAttr('node'), t.getAttr('name')) \
|
|
for t in items]
|
|
self.stage2()
|
|
|
|
self.account.connection.SendAndCallForResponse(query, callback)
|
|
|
|
def send_command(self, action='execute'):
|
|
"""
|
|
Send the command with data form. Wait for reply
|
|
"""
|
|
# create the stanza
|
|
assert action in ('execute', 'prev', 'next', 'complete')
|
|
|
|
stanza = nbxmpp.Iq(typ='set', to=self.jid)
|
|
cmdnode = stanza.addChild('command', namespace=nbxmpp.NS_COMMANDS,
|
|
attrs={'node':self.commandnode, 'action':action})
|
|
|
|
if self.sessionid:
|
|
cmdnode.setAttr('sessionid', self.sessionid)
|
|
|
|
if self.data_form_widget.data_form:
|
|
cmdnode.addChild(node=self.data_form_widget.data_form.get_purged())
|
|
|
|
def callback(response):
|
|
# FIXME: move to connection_handlers.py
|
|
err = response.getError()
|
|
if err:
|
|
self.stage5(errorid = err)
|
|
else:
|
|
self.stage3_next_form(response.getTag('command'))
|
|
|
|
self.account.connection.SendAndCallForResponse(stanza, callback)
|
|
|
|
def send_cancel(self):
|
|
"""
|
|
Send the command with action='cancel'
|
|
"""
|
|
assert self.commandnode
|
|
if self.sessionid and self.account.connection:
|
|
# we already have sessionid, so the service sent at least one reply.
|
|
stanza = nbxmpp.Iq(typ='set', to=self.jid)
|
|
stanza.addChild('command', namespace=nbxmpp.NS_COMMANDS, attrs={
|
|
'node':self.commandnode,
|
|
'sessionid':self.sessionid,
|
|
'action':'cancel'
|
|
})
|
|
|
|
self.account.connection.send(stanza)
|
|
else:
|
|
# we did not received any reply from service;
|
|
# FIXME: we should wait and then send cancel; for now we do nothing
|
|
pass
|