gajim-plural/gajim/adhoc_commands.py

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# Copyright (C) 2006 Nikos Kouremenos <kourem AT gmail.com>
# Copyright (C) 2006-2007 Tomasz Melcer <liori AT exroot.org>
# Copyright (C) 2006-2014 Yann Leboulanger <asterix AT lagaule.org>
# Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
# Stephan Erb <steve-e AT h3c.de>
#
# This file is part of Gajim.
#
# Gajim 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; version 3 only.
#
# Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
# FIXME: think if we need caching command list. it may be wrong if there will
# be entities that often change the list, it may be slow to fetch it every time
from gi.repository import Gtk
import nbxmpp
from gajim.common import app
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from gajim.common.modules import dataforms
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from gajim.common import ged
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from gajim import gtkgui_helpers
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from gajim.gtk import HigDialog
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from gajim import dataforms_widget
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class CommandWindow:
"""
Class for a window for single ad-hoc commands session
Note, that there might be more than one for one account/jid pair in one
moment.
TODO: Maybe put this window into MessageWindow? consider this when it will
be possible to manage more than one window of one.
TODO: Account/jid pair in MessageWindowMgr.
TODO: GTK 2.10 has a special wizard-widget, consider using it...
"""
def __init__(self, account, jid, commandnode=None):
"""
Create new window
"""
# an account object
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self._con = app.connections[account]
self.jid = jid
self.commandnode = commandnode
self.data_form_widget = None
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self.stage_finish_cb = None
self.stage_back_button_cb = None
self.stage_forward_button_cb = None
self.stage_execute_button_cb = None
self.stage_close_button_cb = None
self.stage_restart_button_cb = None
self.stage_window_delete_cb = None
# retrieving widgets from xml
self.xml = gtkgui_helpers.get_gtk_builder('adhoc_commands_window.ui')
self.window = self.xml.get_object('adhoc_commands_window')
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self.window.connect('delete-event',
self.on_adhoc_commands_window_delete_event)
for name in ('restart_button', 'back_button', 'forward_button',
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'execute_button', 'finish_button', 'close_button', 'stages_notebook',
'retrieving_commands_stage_vbox', 'retrieving_commands_spinner',
'command_list_stage_vbox', 'command_treeview',
'sending_form_stage_vbox', 'sending_form_spinner',
'notes_label', 'no_commands_stage_vbox',
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'error_stage_vbox', 'error_description_label'):
setattr(self, name, self.xml.get_object(name))
self.command_store = Gtk.ListStore(str, str)
self.command_treeview.set_model(self.command_store)
renderer = Gtk.CellRendererText()
column = Gtk.TreeViewColumn("Command", renderer, text=0)
self.command_treeview.append_column(column)
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app.ged.register_event_handler(
'adhoc-command-error', ged.CORE, self._on_command_error)
app.ged.register_event_handler(
'adhoc-command-list', ged.CORE, self._on_command_list)
app.ged.register_event_handler('adhoc-command-action-response',
ged.CORE,
self._on_action_response)
self.initiate()
def initiate(self):
self.commandlist = None # a list of (commandname, commanddescription)
# command's data
self.sessionid = None
self.dataform = None
self.allow_stage3_close = False
# creating data forms widget
if self.data_form_widget:
self.sending_form_stage_vbox.remove(self.data_form_widget)
self.data_form_widget.destroy()
self.data_form_widget = dataforms_widget.DataFormWidget()
self.data_form_widget.show()
self.sending_form_stage_vbox.pack_start(self.data_form_widget, True, True, 0)
if self.commandnode:
# Execute command
self.stage3()
else:
# setting initial stage
self.stage1()
# displaying the window
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self.window.set_title(_('Ad-hoc Commands - Gajim'))
self.xml.connect_signals(self)
self.window.show_all()
self.restart_button.set_sensitive(False)
# These functions are set up by appropriate stageX methods.
def stage_finish(self, *anything):
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if self.stage_finish_cb:
self.stage_finish_cb(*anything)
# Widget callbacks...
def on_back_button_clicked(self, *anything):
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if self.stage_back_button_cb:
return self.stage_back_button_cb(*anything)
return False
def on_forward_button_clicked(self, *anything):
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if self.stage_forward_button_cb:
return self.stage_forward_button_cb(*anything)
return False
def on_execute_button_clicked(self, *anything):
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if self.stage_execute_button_cb:
return self.stage_execute_button_cb(*anything)
return False
def on_finish_button_clicked(self, *anything):
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if self.stage_finish_button_cb:
return self.stage_finish_button_cb(*anything)
return False
def on_close_button_clicked(self, *anything):
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if self.stage_close_button_cb:
return self.stage_close_button_cb(*anything)
return False
def on_restart_button_clicked(self, *anything):
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if self.stage_restart_button_cb:
return self.stage_restart_button_cb(*anything)
return False
def on_adhoc_commands_window_destroy(self, *anything):
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app.ged.remove_event_handler(
'adhoc-command-error', ged.CORE, self._on_command_error)
app.ged.remove_event_handler(
'adhoc-command-list', ged.CORE, self._on_command_list)
app.ged.remove_event_handler('adhoc-command-action-response',
ged.CORE,
self._on_action_response)
def on_adhoc_commands_window_delete_event(self, *anything):
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if self.stage_window_delete_cb:
return self.stage_window_delete_cb(self.window)
return False
def __del__(self):
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print('Object has been deleted.')
# stage 1: waiting for command list
def stage1(self):
"""
Prepare the first stage. Request command list, set appropriate state of
widgets
"""
# close old stage...
self.stage_finish()
# show the stage
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(
self.retrieving_commands_stage_vbox))
# set widgets' state
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
# request command list
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self._con.get_module('AdHocCommands').request_command_list(self.jid)
self.retrieving_commands_spinner.start()
# setup the callbacks
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self.stage_finish_cb = self.stage1_finish
self.stage_close_button_cb = self.stage1_close_button_clicked
self.stage_restart_button_cb = self.stage1_restart_button_clicked
self.stage_window_delete_cb = \
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self.stage1_adhoc_commands_window_delete_event
def stage1_finish(self):
self.retrieving_commands_spinner.stop()
def stage1_close_button_clicked(self, widget):
# cancelling in this stage is not critical, so we don't
# show any popups to user
self.stage_finish()
self.window.destroy()
def stage1_restart_button_clicked(self, widget):
self.stage_finish()
self.restart()
def stage1_adhoc_commands_window_delete_event(self, widget):
self.stage1_finish()
return True
# stage 2: choosing the command to execute
def stage2(self):
"""
Populate the command list
"""
# close old stage
self.stage_finish()
assert len(self.commandlist)>0
self.stages_notebook.set_current_page(
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self.stages_notebook.page_num(self.command_list_stage_vbox))
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(True)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
# build the commands list
self.command_store.clear()
for (commandnode, commandname) in self.commandlist:
self.command_store.append([commandname, commandnode])
self.command_treeview.get_selection().select_iter(self.command_store.get_iter_first())
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self.stage_finish_cb = self.stage2_finish
self.stage_close_button_cb = self.stage2_close_button_clicked
self.stage_restart_button_cb = self.stage2_restart_button_clicked
self.stage_forward_button_cb = self.stage2_forward_button_clicked
self.stage_window_delete_cb = None
def stage2_finish(self):
"""
Save selected command to self.commandnode
"""
model, treeiter = self.command_treeview.get_selection().get_selected()
self.commandnode = model[treeiter][1]
def stage2_close_button_clicked(self, widget):
self.stage_finish()
self.window.destroy()
def stage2_restart_button_clicked(self, widget):
self.stage_finish()
self.restart()
def stage2_forward_button_clicked(self, widget):
self.stage3()
def on_check_commands_1_button_clicked(self, widget):
self.stage1()
# stage 3: command invocation
def stage3(self):
# close old stage
self.stage_finish()
self.form_status = None
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(
self.sending_form_stage_vbox))
self.restart_button.set_sensitive(True)
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
self.stage3_submit_form()
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self.stage_finish_cb = None
self.stage_back_button_cb = self.stage3_back_button_clicked
self.stage_forward_button_cb = self.stage3_forward_button_clicked
self.stage_execute_button_cb = self.stage3_execute_button_clicked
self.stage_finish_button_cb = self.stage3_finish_button_clicked
self.stage_close_button_cb = self.stage3_close_button_clicked
self.stage_restart_button_cb = self.stage3_restart_button_clicked
self.stage_window_delete_cb = self.stage3_close_button_clicked
def stage3_can_close(self, cb):
if self.form_status == 'completed':
cb()
return
def on_yes(button):
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self._con.get_module('AdHocCommands').send_cancel(
self.jid, self.commandnode, self.sessionid)
dialog.destroy()
cb()
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dialog = HigDialog(self.window, Gtk.MessageType.WARNING,
Gtk.ButtonsType.YES_NO, _('Cancel confirmation'),
_('You are in process of executing command. Do you really want to '
'cancel it?'), on_response_yes=on_yes)
dialog.popup()
def stage3_close_button_clicked(self, widget):
"""
We are in the middle of executing command. Ask user if he really want to
cancel the process, then cancel it
"""
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# this works also as a handler for window_delete_event, so we have to
# return appropriate values
if self.allow_stage3_close:
return False
def on_ok():
self.allow_stage3_close = True
self.window.destroy()
self.stage3_can_close(on_ok)
return True # Block event, don't close window
def stage3_restart_button_clicked(self, widget):
def on_ok():
self.restart()
self.stage3_can_close(on_ok)
def stage3_back_button_clicked(self, widget):
self.stage3_submit_form('prev')
def stage3_forward_button_clicked(self, widget):
self.stage3_submit_form('next')
def stage3_execute_button_clicked(self, widget):
self.stage3_submit_form('execute')
def stage3_finish_button_clicked(self, widget):
self.stage3_submit_form('complete')
def stage3_submit_form(self, action='execute'):
self.data_form_widget.set_sensitive(False)
if self.data_form_widget.get_data_form():
df = self.data_form_widget.get_data_form()
if not df.is_valid():
app.interface.raise_dialog(
'invalid-form', transient_for=self.window)
self.data_form_widget.set_sensitive(True)
return
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self.data_form_widget.data_form.type_ = 'submit'
else:
self.data_form_widget.hide()
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
self.sending_form_spinner.start()
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self._con.get_module('AdHocCommands').send_command(
self.jid, self.commandnode, self.sessionid,
self.data_form_widget.data_form, action)
def stage3_next_form(self, command):
if not isinstance(command, nbxmpp.Node):
self.stage5(error=_('Service sent malformed data'), senderror=True)
return
self.sending_form_spinner.stop()
if not self.sessionid:
self.sessionid = command.getAttr('sessionid')
elif self.sessionid != command.getAttr('sessionid'):
self.stage5(error=_('Service changed the session identifier.'),
senderror=True)
return
self.form_status = command.getAttr('status')
self.commandnode = command.getAttr('node')
if command.getTag('x'):
self.dataform = dataforms.ExtendForm(node=command.getTag('x'))
self.data_form_widget.set_sensitive(True)
try:
self.data_form_widget.selectable = True
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self.data_form_widget.data_form = self.dataform
except dataforms.Error:
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self.stage5(error=_('Service sent malformed data'),
senderror=True)
return
self.data_form_widget.show()
if self.data_form_widget.title:
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self.window.set_title(_('%s - Ad-hoc Commands - Gajim') % \
self.data_form_widget.title)
else:
self.data_form_widget.hide()
actions = command.getTag('actions')
if actions:
# actions, actions, actions...
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(actions.getTag('prev') is not None)
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self.forward_button.set_sensitive(
actions.getTag('next') is not None)
self.execute_button.set_sensitive(True)
self.finish_button.set_sensitive(actions.getTag('complete') is not \
None)
else:
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(True)
self.finish_button.set_sensitive(False)
if self.form_status == 'completed':
self.close_button.set_sensitive(True)
self.back_button.hide()
self.forward_button.hide()
self.execute_button.hide()
self.finish_button.hide()
self.close_button.show()
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self.stage_window_delete_cb = self.stage3_close_button_clicked
note = command.getTag('note')
if note:
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self.notes_label.set_text(note.getData())
self.notes_label.set_no_show_all(False)
self.notes_label.show()
else:
self.notes_label.set_no_show_all(True)
self.notes_label.hide()
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def restart(self):
self.commandnode = None
self.initiate()
# stage 4: no commands are exposed
def stage4(self):
"""
Display the message. Wait for user to close the window
"""
# close old stage
self.stage_finish()
self.stages_notebook.set_current_page(
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self.stages_notebook.page_num(self.no_commands_stage_vbox))
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
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self.stage_finish_cb = None
self.stage_close_button_cb = self.stage4_close_button_clicked
self.stage_restart_button_cb = self.stage4_restart_button_clicked
self.stage_window_delete_cb = None
def stage4_close_button_clicked(self, widget):
self.window.destroy()
def stage4_restart_button_clicked(self, widget):
self.restart()
def on_check_commands_2_button_clicked(self, widget):
self.stage1()
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# stage 5: an error has occurred
def stage5(self, error=None, errorid=None, senderror=False):
"""
Display the error message. Wait for user to close the window
"""
# FIXME: sending error to responder
# close old stage
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]
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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(
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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)
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self.stage_finish_cb = None
self.stage_close_button_cb = self.stage5_close_button_clicked
self.stage_restart_button_cb = self.stage5_restart_button_clicked
self.stage_window_delete_cb = None
def stage5_close_button_clicked(self, widget):
self.window.destroy()
def stage5_restart_button_clicked(self, widget):
self.restart()
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def _on_command_error(self, obj):
self.stage5(errorid=obj.error)
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def _on_command_list(self, obj):
self.commandlist = obj.commandlist
if not self.commandlist:
self.stage4()
else:
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self.stage2()
def _on_action_response(self, obj):
self.stage3_next_form(obj.command)