| 1 | # -*- coding: utf-8 -*- |
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| 2 | ## adhoc_commands.py |
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| 3 | ## |
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| 4 | ## Copyright (C) 2006 Yann Le Boulanger <asterix@lagaule.org> |
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| 5 | ## Nikos Kouremenos <nkour@jabber.org> |
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| 6 | ## |
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| 7 | ## This program is free software; you can redistribute it and/or modify |
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| 8 | ## it under the terms of the GNU General Public License as published |
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| 9 | ## by the Free Software Foundation; version 2 only. |
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| 10 | ## |
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| 11 | ## This program is distributed in the hope that it will be useful, |
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| 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | ## GNU General Public License for more details. |
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| 15 | |
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| 16 | # FIXME: think if we need caching command list. it may be wrong if there will |
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| 17 | # be entities that often change the list, it may be slow to fetch it every time |
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| 18 | |
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| 19 | import gobject |
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| 20 | import gtk |
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| 21 | |
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| 22 | from common import xmpp, gajim, dataforms |
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| 23 | |
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| 24 | import gtkgui_helpers |
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| 25 | import dialogs |
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| 26 | import dataforms_widget |
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| 27 | |
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| 28 | class CommandWindow: |
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| 29 | '''Class for a window for single ad-hoc commands session. Note, that |
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| 30 | there might be more than one for one account/jid pair in one moment. |
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| 31 | |
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| 32 | TODO: maybe put this window into MessageWindow? consider this when |
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| 33 | TODO: it will be possible to manage more than one window of one |
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| 34 | TODO: account/jid pair in MessageWindowMgr. |
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| 35 | |
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| 36 | TODO: gtk 2.10 has a special wizard-widget, consider using it...''' |
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| 37 | |
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| 38 | def __init__(self, account, jid): |
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| 39 | '''Create new window.''' |
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| 40 | |
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| 41 | # an account object |
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| 42 | self.account = gajim.connections[account] |
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| 43 | self.jid = jid |
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| 44 | |
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| 45 | self.pulse_id=None # to satisfy self.setup_pulsing() |
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| 46 | self.commandlist=None # a list of (commandname, commanddescription) |
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| 47 | |
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| 48 | # command's data |
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| 49 | self.commandnode = None |
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| 50 | self.sessionid = None |
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| 51 | self.dataform = None |
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| 52 | |
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| 53 | # retrieving widgets from xml |
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| 54 | self.xml = gtkgui_helpers.get_glade('adhoc_commands_window.glade') |
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| 55 | self.window = self.xml.get_widget('adhoc_commands_window') |
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| 56 | self.window.connect('delete-event', self.on_adhoc_commands_window_delete_event) |
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| 57 | for name in ('back_button', 'forward_button', |
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| 58 | 'execute_button','close_button','stages_notebook', |
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| 59 | 'retrieving_commands_stage_vbox', |
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| 60 | 'command_list_stage_vbox','command_list_vbox', |
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| 61 | 'sending_form_stage_vbox','sending_form_progressbar', |
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| 62 | 'notes_label','no_commands_stage_vbox','error_stage_vbox', |
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| 63 | 'error_description_label'): |
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| 64 | self.__dict__[name] = self.xml.get_widget(name) |
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| 65 | |
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| 66 | # creating data forms widget |
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| 67 | self.data_form_widget = dataforms_widget.DataFormWidget() |
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| 68 | self.data_form_widget.show() |
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| 69 | self.sending_form_stage_vbox.pack_start(self.data_form_widget) |
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| 70 | |
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| 71 | # setting initial stage |
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| 72 | self.stage1() |
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| 73 | |
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| 74 | # displaying the window |
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| 75 | self.xml.signal_autoconnect(self) |
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| 76 | self.window.show_all() |
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| 77 | |
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| 78 | # these functions are set up by appropriate stageX methods |
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| 79 | def stage_finish(self, *anything): pass |
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| 80 | def stage_back_button_clicked(self, *anything): assert False |
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| 81 | def stage_forward_button_clicked(self, *anything): assert False |
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| 82 | def stage_execute_button_clicked(self, *anything): assert False |
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| 83 | def stage_close_button_clicked(self, *anything): assert False |
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| 84 | def stage_adhoc_commands_window_delete_event(self, *anything): assert False |
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| 85 | def do_nothing(self, *anything): return False |
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| 86 | |
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| 87 | # widget callbacks |
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| 88 | def on_back_button_clicked(self, *anything): |
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| 89 | return self.stage_back_button_clicked(*anything) |
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| 90 | |
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| 91 | def on_forward_button_clicked(self, *anything): |
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| 92 | return self.stage_forward_button_clicked(*anything) |
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| 93 | |
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| 94 | def on_execute_button_clicked(self, *anything): |
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| 95 | return self.stage_execute_button_clicked(*anything) |
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| 96 | |
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| 97 | def on_close_button_clicked(self, *anything): |
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| 98 | return self.stage_close_button_clicked(*anything) |
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| 99 | |
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| 100 | def on_adhoc_commands_window_destroy(self, *anything): |
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| 101 | # TODO: do all actions that are needed to remove this object from memory... |
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| 102 | self.remove_pulsing() |
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| 103 | |
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| 104 | def on_adhoc_commands_window_delete_event(self, *anything): |
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| 105 | return self.stage_adhoc_commands_window_delete_event(self.window) |
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| 106 | |
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| 107 | def __del__(self): |
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| 108 | print "Object has been deleted." |
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| 109 | |
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| 110 | # stage 1: waiting for command list |
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| 111 | def stage1(self): |
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| 112 | '''Prepare the first stage. Request command list, |
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| 113 | set appropriate state of widgets.''' |
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| 114 | # close old stage... |
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| 115 | self.stage_finish() |
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| 116 | |
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| 117 | # show the stage |
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| 118 | self.stages_notebook.set_current_page( |
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| 119 | self.stages_notebook.page_num( |
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| 120 | self.retrieving_commands_stage_vbox)) |
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| 121 | |
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| 122 | # set widgets' state |
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| 123 | self.close_button.set_sensitive(True) |
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| 124 | self.back_button.set_sensitive(False) |
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| 125 | self.forward_button.set_sensitive(False) |
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| 126 | self.execute_button.set_sensitive(False) |
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| 127 | |
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| 128 | # request command list |
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| 129 | self.request_command_list() |
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| 130 | self.setup_pulsing( |
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| 131 | self.xml.get_widget('retrieving_commands_progressbar')) |
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| 132 | |
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| 133 | # setup the callbacks |
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| 134 | self.stage_finish = self.stage1_finish |
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| 135 | self.stage_close_button_clicked = self.stage1_close_button_clicked |
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| 136 | self.stage_adhoc_commands_window_delete_event = self.stage1_adhoc_commands_window_delete_event |
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| 137 | |
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| 138 | def stage1_finish(self): |
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| 139 | self.remove_pulsing() |
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| 140 | |
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| 141 | def stage1_close_button_clicked(self, widget): |
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| 142 | # cancelling in this stage is not critical, so we don't |
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| 143 | # show any popups to user |
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| 144 | self.stage1_finish() |
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| 145 | self.window.destroy() |
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| 146 | |
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| 147 | def stage1_adhoc_commands_window_delete_event(self, widget): |
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| 148 | self.stage1_finish() |
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| 149 | return True |
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| 150 | |
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| 151 | # stage 2: choosing the command to execute |
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| 152 | def stage2(self): |
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| 153 | '''Populate the command list vbox with radiobuttons |
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| 154 | (FIXME: if there is more commands, maybe some kind of list?), |
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| 155 | set widgets' state.''' |
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| 156 | # close old stage |
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| 157 | self.stage_finish() |
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| 158 | |
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| 159 | assert len(self.commandlist)>0 |
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| 160 | |
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| 161 | self.stages_notebook.set_current_page( |
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| 162 | self.stages_notebook.page_num( |
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| 163 | self.command_list_stage_vbox)) |
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| 164 | |
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| 165 | self.close_button.set_sensitive(True) |
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| 166 | self.back_button.set_sensitive(False) |
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| 167 | self.forward_button.set_sensitive(True) |
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| 168 | self.execute_button.set_sensitive(False) |
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| 169 | |
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| 170 | # build the commands list radiobuttons |
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| 171 | first_radio = None |
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| 172 | for (commandnode, commandname) in self.commandlist: |
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| 173 | radio = gtk.RadioButton(first_radio, label=commandname) |
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| 174 | radio.connect("toggled", self.on_command_radiobutton_toggled, commandnode) |
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| 175 | if not first_radio: |
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| 176 | first_radio = radio |
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| 177 | self.commandnode = commandnode |
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| 178 | self.command_list_vbox.pack_start(radio, expand=False) |
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| 179 | self.command_list_vbox.show_all() |
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| 180 | |
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| 181 | self.stage_finish = self.stage2_finish |
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| 182 | self.stage_close_button_clicked = self.stage2_close_button_clicked |
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| 183 | self.stage_forward_button_clicked = self.stage2_forward_button_clicked |
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| 184 | self.stage_adhoc_commands_window_delete_event = self.do_nothing |
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| 185 | |
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| 186 | def stage2_finish(self): |
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| 187 | '''Remove widgets we created. Not needed when the window is destroyed.''' |
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| 188 | def remove_widget(widget): |
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| 189 | self.command_list_vbox.remove(widget) |
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| 190 | self.command_list_vbox.foreach(remove_widget) |
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| 191 | |
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| 192 | def stage2_close_button_clicked(self, widget): |
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| 193 | self.stage_finish() |
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| 194 | self.window.destroy() |
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| 195 | |
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| 196 | def stage2_forward_button_clicked(self, widget): |
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| 197 | self.stage3() |
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| 198 | |
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| 199 | def on_command_radiobutton_toggled(self, widget, commandnode): |
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| 200 | self.commandnode = commandnode |
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| 201 | |
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| 202 | def on_check_commands_1_button_clicked(self, widget): |
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| 203 | self.stage1() |
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| 204 | |
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| 205 | # stage 3: command invocation |
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| 206 | def stage3(self): |
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| 207 | # close old stage |
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| 208 | self.stage_finish() |
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| 209 | |
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| 210 | assert isinstance(self.commandnode, unicode) |
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| 211 | |
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| 212 | self.form_status = None |
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| 213 | |
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| 214 | self.stages_notebook.set_current_page( |
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| 215 | self.stages_notebook.page_num( |
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| 216 | self.sending_form_stage_vbox)) |
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| 217 | |
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| 218 | self.close_button.set_sensitive(True) |
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| 219 | self.back_button.set_sensitive(False) |
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| 220 | self.forward_button.set_sensitive(False) |
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| 221 | self.execute_button.set_sensitive(False) |
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| 222 | |
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| 223 | self.stage3_submit_form() |
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| 224 | |
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| 225 | self.stage_finish = self.stage3_finish |
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| 226 | self.stage_back_button_clicked = self.stage3_back_button_clicked |
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| 227 | self.stage_forward_button_clicked = self.stage3_forward_button_clicked |
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| 228 | self.stage_execute_button_clicked = self.stage3_execute_button_clicked |
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| 229 | self.stage_close_button_clicked = self.stage3_close_button_clicked |
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| 230 | self.stage_adhoc_commands_window_delete_event = self.stage3_close_button_clicked |
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| 231 | |
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| 232 | def stage3_finish(self): |
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| 233 | pass |
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| 234 | |
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| 235 | def stage3_close_button_clicked(self, widget): |
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| 236 | ''' We are in the middle of executing command. Ask user if he really want to cancel |
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| 237 | the process, then... cancel it. ''' |
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| 238 | # this works also as a handler for window_delete_event, so we have to return appropriate |
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| 239 | # values |
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| 240 | if self.form_status == 'completed': |
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| 241 | if widget!=self.window: |
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| 242 | self.window.destroy() |
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| 243 | return False |
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| 244 | |
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| 245 | dialog = dialogs.HigDialog(self.window, gtk.DIALOG_DESTROY_WITH_PARENT | gtk.DIALOG_MODAL, |
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| 246 | gtk.BUTTONS_YES_NO, 'Cancel confirmation', |
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| 247 | 'You are in process of executing command. Do you really want to cancel it?') |
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| 248 | dialog.popup() |
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| 249 | if dialog.get_response()==gtk.RESPONSE_YES: |
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| 250 | self.send_cancel() |
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| 251 | if widget==self.window: |
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| 252 | return False |
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| 253 | else: |
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| 254 | self.window.destroy() |
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| 255 | return False |
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| 256 | return True |
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| 257 | |
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| 258 | def stage3_back_button_clicked(self, widget): |
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| 259 | self.stage3_submit_form('prev') |
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| 260 | |
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| 261 | def stage3_forward_button_clicked(self, widget): |
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| 262 | self.stage3_submit_form('next') |
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| 263 | |
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| 264 | def stage3_execute_button_clicked(self, widget): |
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| 265 | self.stage3_submit_form('execute') |
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| 266 | |
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| 267 | def stage3_submit_form(self, action='execute'): |
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| 268 | self.data_form_widget.set_sensitive(False) |
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| 269 | if self.data_form_widget.get_data_form(): |
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| 270 | self.data_form_widget.data_form.type='submit' |
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| 271 | else: |
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| 272 | self.data_form_widget.hide() |
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| 273 | |
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| 274 | self.close_button.set_sensitive(True) |
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| 275 | self.back_button.set_sensitive(False) |
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| 276 | self.forward_button.set_sensitive(False) |
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| 277 | self.execute_button.set_sensitive(False) |
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| 278 | |
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| 279 | self.sending_form_progressbar.show() |
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| 280 | self.setup_pulsing(self.sending_form_progressbar) |
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| 281 | self.send_command(action) |
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| 282 | |
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| 283 | def stage3_next_form(self, command): |
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| 284 | assert isinstance(command, xmpp.Node) |
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| 285 | |
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| 286 | self.remove_pulsing() |
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| 287 | self.sending_form_progressbar.hide() |
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| 288 | |
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| 289 | if not self.sessionid: |
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| 290 | self.sessionid = command.getAttr('sessionid') |
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| 291 | |
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| 292 | self.form_status = command.getAttr('status') |
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| 293 | |
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| 294 | self.commandnode = command.getAttr('node') |
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| 295 | if command.getTag('x'): |
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| 296 | self.dataform = dataforms.ExtendForm(node=command.getTag('x')) |
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| 297 | |
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| 298 | self.data_form_widget.set_sensitive(True) |
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| 299 | try: |
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| 300 | self.data_form_widget.data_form=self.dataform |
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| 301 | except dataforms.Error: |
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| 302 | # FIXME: translate |
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| 303 | self.stage5(error='Service sent malformed data', senderror=True) |
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| 304 | return |
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| 305 | self.data_form_widget.show() |
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| 306 | if self.data_form_widget.title: |
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| 307 | self.window.set_title("%s - Ad-hoc Commands - Gajim" % \ |
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| 308 | self.data_form_widget.title) |
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| 309 | else: |
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| 310 | self.data_form_widget.hide() |
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| 311 | |
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| 312 | actions = command.getTag('actions') |
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| 313 | if actions: |
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| 314 | # actions, actions, actions... |
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| 315 | self.close_button.set_sensitive(True) |
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| 316 | self.back_button.set_sensitive(actions.getTag('prev') is not None) |
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| 317 | self.forward_button.set_sensitive(actions.getTag('next') is not None) |
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| 318 | self.execute_button.set_sensitive(True) |
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| 319 | else: |
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| 320 | self.close_button.set_sensitive(True) |
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| 321 | self.back_button.set_sensitive(False) |
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| 322 | self.forward_button.set_sensitive(False) |
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| 323 | self.execute_button.set_sensitive(True) |
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| 324 | |
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| 325 | if self.form_status == 'completed': |
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| 326 | self.close_button.set_sensitive(True) |
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| 327 | self.back_button.hide() |
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| 328 | self.forward_button.hide() |
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| 329 | self.execute_button.hide() |
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| 330 | self.close_button.show() |
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| 331 | self.stage_adhoc_commands_window_delete_event = self.stage3_close_button_clicked |
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| 332 | |
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| 333 | note = command.getTag('note') |
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| 334 | if note: |
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| 335 | self.notes_label.set_text(note.getData().decode('utf-8')) |
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| 336 | self.notes_label.set_no_show_all(False) |
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| 337 | self.notes_label.show() |
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| 338 | else: |
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| 339 | self.notes_label.set_no_show_all(True) |
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| 340 | self.notes_label.hide() |
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| 341 | |
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| 342 | # stage 4: no commands are exposed |
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| 343 | def stage4(self): |
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| 344 | '''Display the message. Wait for user to close the window''' |
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| 345 | # close old stage |
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| 346 | self.stage_finish() |
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| 347 | |
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| 348 | self.stages_notebook.set_current_page( |
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| 349 | self.stages_notebook.page_num( |
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| 350 | self.no_commands_stage_vbox)) |
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| 351 | |
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| 352 | self.close_button.set_sensitive(True) |
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| 353 | self.back_button.set_sensitive(False) |
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| 354 | self.forward_button.set_sensitive(False) |
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| 355 | self.execute_button.set_sensitive(False) |
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| 356 | |
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| 357 | self.stage_finish = self.do_nothing |
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| 358 | self.stage_close_button_clicked = self.stage4_close_button_clicked |
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| 359 | self.stage_adhoc_commands_window_delete_event = self.do_nothing |
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| 360 | |
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| 361 | def stage4_close_button_clicked(self, widget): |
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| 362 | self.window.destroy() |
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| 363 | |
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| 364 | def on_check_commands_2_button_clicked(self, widget): |
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| 365 | self.stage1() |
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| 366 | |
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| 367 | # stage 5: an error has occured |
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| 368 | def stage5(self, error=None, errorid=None, senderror=False): |
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| 369 | '''Display the error message. Wait for user to close the window''' |
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| 370 | # FIXME: sending error to responder |
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| 371 | # close old stage |
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| 372 | self.stage_finish() |
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| 373 | |
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| 374 | assert errorid or error |
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| 375 | |
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| 376 | if errorid: |
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| 377 | # we've got error code, display appropriate message |
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| 378 | try: |
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| 379 | errorname = xmpp.NS_STANZAS + ' ' + str(errorid) |
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| 380 | errordesc = xmpp.ERRORS[errorname][2] |
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| 381 | error = errordesc.decode('utf-8') |
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| 382 | del errorname, errordesc |
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| 383 | except KeyError: # when stanza doesn't have error description |
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| 384 | error = 'Service returned an error.' |
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| 385 | elif error: |
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| 386 | # we've got error message |
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| 387 | pass |
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| 388 | else: |
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| 389 | # we don't know what's that, bailing out |
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| 390 | assert False |
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| 391 | |
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| 392 | self.stages_notebook.set_current_page( |
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| 393 | self.stages_notebook.page_num( |
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| 394 | self.error_stage_vbox)) |
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| 395 | |
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| 396 | self.close_button.set_sensitive(True) |
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| 397 | self.back_button.hide() |
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| 398 | self.forward_button.hide() |
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| 399 | self.execute_button.hide() |
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| 400 | |
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| 401 | self.error_description_label.set_text(error) |
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| 402 | |
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| 403 | self.stage_finish = self.do_nothing |
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| 404 | self.stage_close_button_clicked = self.stage5_close_button_clicked |
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| 405 | self.stage_adhoc_commands_window_delete_event = self.do_nothing |
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| 406 | |
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| 407 | def stage5_close_button_clicked(self, widget): |
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| 408 | self.window.destroy() |
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| 409 | |
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| 410 | # helpers to handle pulsing in progressbar |
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| 411 | def setup_pulsing(self, progressbar): |
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| 412 | '''Set the progressbar to pulse. Makes a custom |
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| 413 | function to repeatedly call progressbar.pulse() method.''' |
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| 414 | assert not self.pulse_id |
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| 415 | assert isinstance(progressbar, gtk.ProgressBar) |
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| 416 | |
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| 417 | def callback(): |
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| 418 | progressbar.pulse() |
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| 419 | return True # important to keep callback be called back! |
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| 420 | |
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| 421 | # 12 times per second (80 miliseconds) |
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| 422 | self.pulse_id = gobject.timeout_add(80, callback) |
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| 423 | |
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| 424 | def remove_pulsing(self): |
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| 425 | '''Stop pulsing, useful when especially when removing widget.''' |
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| 426 | if self.pulse_id: |
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| 427 | gobject.source_remove(self.pulse_id) |
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| 428 | self.pulse_id=None |
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| 429 | |
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| 430 | # handling xml stanzas |
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| 431 | def request_command_list(self): |
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| 432 | '''Request the command list. Change stage on delivery.''' |
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| 433 | query = xmpp.Iq(typ='get', to=xmpp.JID(self.jid), xmlns=xmpp.NS_DISCO_ITEMS) |
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| 434 | query.setQuerynode(xmpp.NS_COMMANDS) |
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| 435 | |
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| 436 | def callback(response): |
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| 437 | '''Called on response to query.''' |
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| 438 | # FIXME: move to connection_handlers.py |
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| 439 | # is error => error stage |
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| 440 | error = response.getError() |
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| 441 | if error: |
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| 442 | # extracting error description from xmpp/protocol.py |
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| 443 | self.stage5(errorid = error) |
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| 444 | return |
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| 445 | |
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| 446 | # no commands => no commands stage |
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| 447 | # commands => command selection stage |
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| 448 | query = response.getTag('query') |
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| 449 | if query: |
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| 450 | items = query.getTags('item') |
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| 451 | else: |
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| 452 | items = [] |
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| 453 | if len(items)==0: |
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| 454 | self.commandlist = [] |
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| 455 | self.stage4() |
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| 456 | else: |
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| 457 | self.commandlist = [(t.getAttr('node'), t.getAttr('name')) for t in items] |
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| 458 | self.stage2() |
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| 459 | |
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| 460 | self.account.connection.SendAndCallForResponse(query, callback) |
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| 461 | |
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| 462 | def send_command(self, action='execute'): |
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| 463 | '''Send the command with data form. Wait for reply.''' |
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| 464 | # create the stanza |
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| 465 | assert isinstance(self.commandnode, unicode) |
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| 466 | assert action in ('execute', 'prev', 'next', 'complete') |
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| 467 | |
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| 468 | stanza = xmpp.Iq(typ='set', to=self.jid) |
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| 469 | cmdnode = stanza.addChild('command', attrs={ |
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| 470 | 'xmlns':xmpp.NS_COMMANDS, |
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| 471 | 'node':self.commandnode, |
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| 472 | 'action':action |
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| 473 | }) |
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| 474 | |
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| 475 | if self.sessionid: |
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| 476 | cmdnode.setAttr('sessionid', self.sessionid) |
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| 477 | |
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| 478 | if self.data_form_widget.data_form: |
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| 479 | # cmdnode.addChild(node=dataforms.DataForm(tofill=self.data_form_widget.data_form)) |
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| 480 | # FIXME: simplified form to send |
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| 481 | |
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| 482 | cmdnode.addChild(node=self.data_form_widget.data_form) |
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| 483 | |
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| 484 | def callback(response): |
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| 485 | # FIXME: move to connection_handlers.py |
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| 486 | err = response.getError() |
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| 487 | if err: |
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| 488 | self.stage5(errorid = err) |
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| 489 | else: |
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| 490 | self.stage3_next_form(response.getTag('command')) |
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| 491 | |
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| 492 | self.account.connection.SendAndCallForResponse(stanza, callback) |
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| 493 | |
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| 494 | def send_cancel(self): |
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| 495 | '''Send the command with action='cancel'. ''' |
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| 496 | assert self.commandnode |
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| 497 | if self.sessionid and self.account.connection: |
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| 498 | # we already have sessionid, so the service sent at least one reply. |
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| 499 | stanza = xmpp.Iq(typ='set', to=self.jid) |
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| 500 | stanza.addChild('command', attrs={ |
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| 501 | 'xmlns':xmpp.NS_COMMANDS, |
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| 502 | 'node':self.commandnode, |
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| 503 | 'sessionid':self.sessionid, |
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| 504 | 'action':'cancel' |
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| 505 | }) |
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| 506 | |
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| 507 | self.account.connection.send(stanza) |
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| 508 | else: |
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| 509 | # we did not received any reply from service; FIXME: we should wait and |
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| 510 | # then send cancel; for now we do nothing |
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| 511 | pass |
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