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annotate sat_frontends/quick_frontend/quick_widgets.py @ 2866:8ce5748bfe97

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plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
author Goffi <goffi@goffi.org>
date Fri, 22 Mar 2019 19:26:08 +0100
parents ef65dbce313b
children e3803ae89fbc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # helper class for making a SAT frontend
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5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
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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 Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 from sat.core.log import getLogger
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21
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22 log = getLogger(__name__)
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23 from sat.core import exceptions
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24 from sat_frontends.quick_frontend.constants import Const as C
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27 classes_map = {}
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30 try:
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31 # FIXME: to be removed when an acceptable solution is here
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32 unicode("") # XXX: unicode doesn't exist in pyjamas
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33 except (
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34 TypeError,
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35 AttributeError,
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36 ): # Error raised is not the same depending on pyjsbuild options
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37 unicode = str
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40 def register(base_cls, child_cls=None):
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41 """Register a child class to use by default when a base class is needed
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43 @param base_cls: "Quick..." base class (like QuickChat or QuickContact), must inherit from QuickWidget
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44 @param child_cls: inherited class to use when Quick... class is requested, must inherit from base_cls.
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45 Can be None if it's the base_cls itself which register
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46 """
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47 # FIXME: we use base_cls.__name__ instead of base_cls directly because pyjamas because
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48 # in the second case
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49 classes_map[base_cls.__name__] = child_cls
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51
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52 class WidgetAlreadyExistsError(Exception):
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53 pass
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56 class QuickWidgetsManager(object):
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57 """This class is used to manage all the widgets of a frontend
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58 A widget can be a window, a graphical thing, or someting else depending of the frontend"""
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59
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60 def __init__(self, host):
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61 self.host = host
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62 self._widgets = {}
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63
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64 def __iter__(self):
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65 """Iterate throught all widgets"""
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66 for widget_map in self._widgets.itervalues():
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67 for widget_instances in widget_map.itervalues():
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68 for widget in widget_instances:
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69 yield widget
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70
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71 def getRealClass(self, class_):
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72 """Return class registered for given class_
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73
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74 @param class_: subclass of QuickWidget
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75 @return: class actually used to create widget
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76 """
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77 try:
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78 # FIXME: we use base_cls.__name__ instead of base_cls directly because pyjamas bugs
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79 # in the second case
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80 cls = classes_map[class_.__name__]
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81 except KeyError:
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82 cls = class_
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83 if cls is None:
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84 raise exceptions.InternalError(
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85 "There is not class registered for {}".format(class_)
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86 )
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87 return cls
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88
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89 def getWidgetInstances(self, widget):
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90 """Get all instance of a widget
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91
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92 This is a helper method which call getWidgets
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93 @param widget(QuickWidget): retrieve instances of this widget
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94 @return: iterator on widgets
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95 """
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96 return self.getWidgets(widget.__class__, widget.target, widget.profiles)
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97
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98 def getWidgets(self, class_, target=None, profiles=None):
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99 """Get all subclassed widgets instances
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100
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101 @param class_: subclass of QuickWidget, same parameter as used in
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102 [getOrCreateWidget]
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103 @param target: if not None, construct a hash with this target and filter
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104 corresponding widgets
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105 recreated widgets are handled
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106 @param profiles(iterable, None): if not None, filter on instances linked to these
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107 profiles
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108 @return: iterator on widgets
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109 """
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110 class_ = self.getRealClass(class_)
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111 try:
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112 widgets_map = self._widgets[class_.__name__]
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113 except KeyError:
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114 return
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115 else:
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116 if target is not None:
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117 filter_hash = unicode(class_.getWidgetHash(target, profiles))
6353deb1bd73 quick frontend (quick_widget): getWidgets can now filter on hash (using target), handling recreated widgets too
Goffi <goffi@goffi.org>
parents: 2027
diff changeset
118 else:
6353deb1bd73 quick frontend (quick_widget): getWidgets can now filter on hash (using target), handling recreated widgets too
Goffi <goffi@goffi.org>
parents: 2027
diff changeset
119 filter_hash = None
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diff changeset
120 if filter_hash is not None:
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
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parents: 2851
diff changeset
121 for widget in widgets_map[filter_hash]:
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
122 yield widget
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
123 else:
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
124 for widget_instances in widgets_map.itervalues():
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parents: 2851
diff changeset
125 for widget in widget_instances:
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parents: 2851
diff changeset
126 yield widget
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parents: 1265
diff changeset
127
1938
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parents: 1934
diff changeset
128 def getWidget(self, class_, target=None, profiles=None):
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129 """Get a widget without creating it if it doesn't exist.
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parents: 1322
diff changeset
130
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diff changeset
131 if several instances of widgets with this hash exist, the first one is returned
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parents: 2792
diff changeset
132 @param class_: subclass of QuickWidget, same parameter as used in [getOrCreateWidget]
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parents: 1322
diff changeset
133 @param target: target depending of the widget, usually a JID instance
1938
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parents: 1934
diff changeset
134 @param profiles (unicode, iterable[unicode], None): profile(s) to use (may or may not be
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
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parents: 1934
diff changeset
135 used, depending of the widget class)
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parents: 1322
diff changeset
136 @return: a class_ instance or None if the widget doesn't exist
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
137 """
1938
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
138 assert (target is not None) or (profiles is not None)
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
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diff changeset
139 if profiles is not None and isinstance(profiles, unicode):
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diff changeset
140 profiles = [profiles]
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diff changeset
141 class_ = self.getRealClass(class_)
1938
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parents: 1934
diff changeset
142 hash_ = class_.getWidgetHash(target, profiles)
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parents: 1322
diff changeset
143 try:
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144 return self._widgets[class_.__name__][hash_][0]
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diff changeset
145 except KeyError:
273b044fde6d quick_frontend: add a method getWidget to return a widget without creating it if it doesn't exist
souliane <souliane@mailoo.org>
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diff changeset
146 return None
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
147
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148 def getOrCreateWidget(self, class_, target, *args, **kwargs):
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diff changeset
149 """Get an existing widget or create a new one when necessary
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diff changeset
150
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diff changeset
151 If the widget is new, self.host.newWidget will be called with it.
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diff changeset
152 @param class_(class): class of the widget to create
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diff changeset
153 @param target: target depending of the widget, usually a JID instance
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parents: 1139
diff changeset
154 @param args(list): optional args to create a new instance of class_
1312
9e904f8a094e quick_frontend: getOrCreateWidget callbacks can return another widget
souliane <souliane@mailoo.org>
parents: 1310
diff changeset
155 @param kwargs(dict): optional kwargs to create a new instance of class_
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parents: 1139
diff changeset
156 if 'profile' key is present, it will be popped and put in 'profiles'
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parents: 1139
diff changeset
157 if there is neither 'profile' nor 'profiles', None will be used for 'profiles'
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
158 if 'on_new_widget' is present it can have the following values:
1301
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parents: 1290
diff changeset
159 C.WIDGET_NEW [default]: self.host.newWidget will be called on widget creation
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1f13a837e4b2 quick_frontend (quick_widgets): revert commit 1319
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parents: 1321
diff changeset
160 [callable]: this method will be called instead of self.host.newWidget
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diff changeset
161 None: do nothing
1301
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
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parents: 1290
diff changeset
162 if 'on_existing_widget' is present it can have the following values:
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
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diff changeset
163 C.WIDGET_KEEP [default]: return the existing widget
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
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diff changeset
164 C.WIDGET_RAISE: raise WidgetAlreadyExistsError
2852
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diff changeset
165 C.WIDGET_RECREATE: create a new widget
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e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
166 if the existing widget has a "recreateArgs" method, it will be called with args list and kwargs dict
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
167 so the values can be completed to create correctly the new instance
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diff changeset
168 [callable]: this method will be called with existing widget as argument, the widget to use must be returned
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diff changeset
169 if 'force_hash' is present, the hash given in value will be used instead of the one returned by class_.getWidgetHash
1307
9512590dc3d7 quick_ frontend (quick widgets): added explanation in docstring for non special keywords in getOrCreateWidget
Goffi <goffi@goffi.org>
parents: 1304
diff changeset
170 other keys will be used to instanciate class_ if the case happen (e.g. if type_ is present and class_ is a QuickChat subclass,
9512590dc3d7 quick_ frontend (quick widgets): added explanation in docstring for non special keywords in getOrCreateWidget
Goffi <goffi@goffi.org>
parents: 1304
diff changeset
171 it will be used to create a new QuickChat instance).
1265
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diff changeset
172 @return: a class_ instance, either new or already existing
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diff changeset
173 """
1290
faa1129559b8 core, frontends: refactoring to base Libervia on QuickFrontend (big mixed commit):
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diff changeset
174 cls = self.getRealClass(class_)
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diff changeset
175
1301
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diff changeset
176 ## arguments management ##
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diff changeset
177 _args = [self.host, target] + list(
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
178 args
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
179 ) or [] # FIXME: check if it's really necessary to use optional args
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diff changeset
180 _kwargs = kwargs or {}
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parents: 2562
diff changeset
181 if "profiles" in _kwargs and "profile" in _kwargs:
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
182 raise ValueError(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
183 "You can't have 'profile' and 'profiles' keys at the same time"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
184 )
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parents: 1139
diff changeset
185 try:
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parents: 2562
diff changeset
186 _kwargs["profiles"] = [_kwargs.pop("profile")]
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parents: 1139
diff changeset
187 except KeyError:
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
188 if not "profiles" in _kwargs:
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diff changeset
189 _kwargs["profiles"] = None
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diff changeset
190
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441b536e28ed quick frontend (chat): use right type in getOrCreateWidget on new message
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parents: 2771
diff changeset
191 # on_new_widget tells what to do for the new widget creation
1301
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
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parents: 1290
diff changeset
192 try:
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diff changeset
193 on_new_widget = _kwargs.pop("on_new_widget")
1301
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parents: 1290
diff changeset
194 except KeyError:
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
195 on_new_widget = C.WIDGET_NEW
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Goffi <goffi@goffi.org>
parents: 1290
diff changeset
196
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parents: 2771
diff changeset
197 # on_existing_widget tells what to do when the widget already exists
1301
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
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diff changeset
198 try:
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diff changeset
199 on_existing_widget = _kwargs.pop("on_existing_widget")
1301
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parents: 1290
diff changeset
200 except KeyError:
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parents: 1290
diff changeset
201 on_existing_widget = C.WIDGET_KEEP
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parents: 1290
diff changeset
202
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
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parents: 1290
diff changeset
203 ## we get the hash ##
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diff changeset
204 try:
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parents: 2562
diff changeset
205 hash_ = _kwargs.pop("force_hash")
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diff changeset
206 except KeyError:
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parents: 2562
diff changeset
207 hash_ = cls.getWidgetHash(target, _kwargs["profiles"])
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parents: 1139
diff changeset
208
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Goffi <goffi@goffi.org>
parents: 1303
diff changeset
209 ## widget creation or retrieval ##
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Goffi <goffi@goffi.org>
parents: 1303
diff changeset
210
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parents: 2562
diff changeset
211 widgets_map = self._widgets.setdefault(
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parents: 2562
diff changeset
212 cls.__name__, {}
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parents: 2562
diff changeset
213 ) # we sorts widgets by classes
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diff changeset
214 if not cls.SINGLE:
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parents: 2562
diff changeset
215 widget = None # if the class is not SINGLE, we always create a new widget
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parents: 1139
diff changeset
216 else:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
217 try:
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parents: 2851
diff changeset
218 widget = widgets_map[hash_][0]
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diff changeset
219 except KeyError:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
220 widget = None
2852
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parents: 2851
diff changeset
221 else:
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parents: 2851
diff changeset
222 widget.addTarget(target)
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diff changeset
223
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parents: 1139
diff changeset
224 if widget is None:
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parents: 1139
diff changeset
225 # we need to create a new widget
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diff changeset
226 log.debug(u"Creating new widget for target {} {}".format(target, cls))
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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diff changeset
227 widget = cls(*_args, **_kwargs)
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parents: 2851
diff changeset
228 widgets_map[hash_] = [widget]
0
goffi@necton2
parents:
diff changeset
229
1301
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
230 if on_new_widget == C.WIDGET_NEW:
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
231 self.host.newWidget(widget)
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
232 elif callable(on_new_widget):
1322
1f13a837e4b2 quick_frontend (quick_widgets): revert commit 1319
souliane <souliane@mailoo.org>
parents: 1321
diff changeset
233 on_new_widget(widget)
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
234 else:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
235 assert on_new_widget is None
1301
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
236 else:
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
237 # the widget already exists
1308
f079e6ed1e69 quick frontend(quick widgets): added the ability to use a callable with getOrCreateWidget's on_existing_widget
Goffi <goffi@goffi.org>
parents: 1307
diff changeset
238 if on_existing_widget == C.WIDGET_KEEP:
f079e6ed1e69 quick frontend(quick widgets): added the ability to use a callable with getOrCreateWidget's on_existing_widget
Goffi <goffi@goffi.org>
parents: 1307
diff changeset
239 pass
1309
d0d5ba3b4d64 quick frontend(quick widgets): fixed bad condition test in previous commit
Goffi <goffi@goffi.org>
parents: 1308
diff changeset
240 elif on_existing_widget == C.WIDGET_RAISE:
1301
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
241 raise WidgetAlreadyExistsError(hash_)
afc57b34c0a3 Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
242 elif on_existing_widget == C.WIDGET_RECREATE:
2062
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
243 try:
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
244 recreateArgs = widget.recreateArgs
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
245 except AttributeError:
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
246 pass
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
Goffi <goffi@goffi.org>
parents: 2047
diff changeset
247 else:
2852
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
248 recreateArgs(_args, _kwargs)
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
249 widget = cls(*_args, **_kwargs)
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
250 widgets_map[hash_].append(widget)
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
251 log.debug(u"widget <{wid}> already exists, a new one has been recreated"
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
252 .format(wid=widget))
1308
f079e6ed1e69 quick frontend(quick widgets): added the ability to use a callable with getOrCreateWidget's on_existing_widget
Goffi <goffi@goffi.org>
parents: 1307
diff changeset
253 elif callable(on_existing_widget):
2852
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
254 widget = on_existing_widget(widget)
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
255 if widget is None:
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
256 raise exceptions.InternalError(
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
257 u"on_existing_widget method must return the widget to use")
1308
f079e6ed1e69 quick frontend(quick widgets): added the ability to use a callable with getOrCreateWidget's on_existing_widget
Goffi <goffi@goffi.org>
parents: 1307
diff changeset
258 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
259 raise exceptions.InternalError(
2852
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
Goffi <goffi@goffi.org>
parents: 2851
diff changeset
260 "Unexpected on_existing_widget value ({})".format(on_existing_widget))
1308
f079e6ed1e69 quick frontend(quick widgets): added the ability to use a callable with getOrCreateWidget's on_existing_widget
Goffi <goffi@goffi.org>
parents: 1307
diff changeset
261
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
262 return widget
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
263
2047
7f5e344938c1 quick_frontend(quick_widgets): deleteWidget can use additional arguments which will be passed to onDelete
Goffi <goffi@goffi.org>
parents: 2043
diff changeset
264 def deleteWidget(self, widget_to_delete, *args, **kwargs):
2853
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
265 """Delete a widget instance
1303
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
266
2043
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
267 this method must be called by frontends when a widget is deleted
2853
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
268 widget's onDelete method will be called before deletion, and deletion will be
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
269 stopped if it returns False.
2047
7f5e344938c1 quick_frontend(quick_widgets): deleteWidget can use additional arguments which will be passed to onDelete
Goffi <goffi@goffi.org>
parents: 2043
diff changeset
270 @param widget_to_delete(QuickWidget): widget which need to deleted
7f5e344938c1 quick_frontend(quick_widgets): deleteWidget can use additional arguments which will be passed to onDelete
Goffi <goffi@goffi.org>
parents: 2043
diff changeset
271 @param *args: extra arguments to pass to onDelete
7f5e344938c1 quick_frontend(quick_widgets): deleteWidget can use additional arguments which will be passed to onDelete
Goffi <goffi@goffi.org>
parents: 2043
diff changeset
272 @param *kwargs: extra keywords arguments to pass to onDelete
7f5e344938c1 quick_frontend(quick_widgets): deleteWidget can use additional arguments which will be passed to onDelete
Goffi <goffi@goffi.org>
parents: 2043
diff changeset
273 the extra arguments are not use by QuickFrontend, it's is up to
7f5e344938c1 quick_frontend(quick_widgets): deleteWidget can use additional arguments which will be passed to onDelete
Goffi <goffi@goffi.org>
parents: 2043
diff changeset
274 the frontend to use them or not
2853
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
275 "all_instances" can be used as kwarg, if it evaluate to True, all
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
276 instances of the widget will be deleted (if onDelete is not returning False
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
277 for any of the instance). This arguments is not sent to onDelete methods.
1303
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
278 """
2853
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
279 # TODO: all_instances must be independante kwargs, this is not possible with Python 2
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
280 # but will be with Python 3
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
281 all_instances = kwargs.get('all_instances', False)
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
282
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
283 if all_instances:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
284 for w in self.getWidgetInstances(widget_to_delete):
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
285 if w.onDelete(*args, **kwargs) == False:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
286 return
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
287 else:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
288 if widget_to_delete.onDelete(*args, **kwargs) == False:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
289 return
2043
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
290
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
291 if self.host.selected_widget == widget_to_delete:
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
292 self.host.selected_widget = None
1303
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
293
2853
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
294 class_ = self.getRealClass(widget_to_delete.__class__)
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
295 try:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
296 widgets_map = self._widgets[class_.__name__]
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
297 except KeyError:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
298 log.error(u"no widgets_map found for class {cls}".format(cls=class_))
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
299 return
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
300 widget_hash = unicode(class_.getWidgetHash(widget_to_delete.target,
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
301 widget_to_delete.profiles))
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
302 widget_instances = widgets_map[widget_hash]
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
303 if all_instances:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
304 widget_instances.clear()
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
305 else:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
306 try:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
307 widget_instances.remove(widget_to_delete)
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
308 except ValueError:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
309 log.error(u"widget_to_delete not found in widget instances")
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
310 return
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
311
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
312 log.debug(u"widget {} deleted".format(widget_to_delete))
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
313
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
314 if not widget_instances:
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
315 # all instances with this hash have been deleted
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
316 # we remove the hash itself
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
317 del widgets_map[widget_hash]
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
318 log.debug(u"All instances of {cls} with hash {widget_hash} have been deleted"
6901a425d882 quick frontend (widgets): improved deletion of widget:
Goffi <goffi@goffi.org>
parents: 2852
diff changeset
319 .format(cls=class_, widget_hash=widget_hash))
1303
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
320
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
321
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
322 class QuickWidget(object):
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
323 """generic widget base"""
2855
ef65dbce313b quick frontend(widgets): added QuickWidget.target property as a helper method to get a single target:
Goffi <goffi@goffi.org>
parents: 2853
diff changeset
324 # FIXME: sometime a single target is used, sometimes several ones
ef65dbce313b quick frontend(widgets): added QuickWidget.target property as a helper method to get a single target:
Goffi <goffi@goffi.org>
parents: 2853
diff changeset
325 # This should be sorted out in the same way as for profiles: a single
ef65dbce313b quick frontend(widgets): added QuickWidget.target property as a helper method to get a single target:
Goffi <goffi@goffi.org>
parents: 2853
diff changeset
326 # target should be possible when appropriate attribute is set.
ef65dbce313b quick frontend(widgets): added QuickWidget.target property as a helper method to get a single target:
Goffi <goffi@goffi.org>
parents: 2853
diff changeset
327 # methods using target(s) and hash should be fixed accordingly
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
328
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
329 SINGLE = True # if True, there can be only one widget per target(s)
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
330 PROFILES_MULTIPLE = False # If True, this widget can handle several profiles at once
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
331 PROFILES_ALLOW_NONE = False # If True, this widget can be used without profile
0
goffi@necton2
parents:
diff changeset
332
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
333 def __init__(self, host, target, profiles=None):
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
334 """
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
335 @param host: %(doc_host)s
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
336 @param target: target specific for this widget class
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
337 @param profiles: can be either:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
338 - (unicode): used when widget class manage a unique profile
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
339 - (iterable): some widget class can manage several profiles, several at once can be specified here
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
340 - None: no profile is managed by this widget class (rare)
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
341 @raise: ValueError when (iterable) or None is given to profiles for a widget class which manage one unique profile.
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
342 """
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
343 self.host = host
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
344 self.targets = set()
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
345 self.addTarget(target)
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
346 self.profiles = set()
2851
7764383a968c quick_frontend (widget, chat): implementation of new sync mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 2845
diff changeset
347 self._sync = True
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
348 if isinstance(profiles, basestring):
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
349 self.addProfile(profiles)
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350 elif profiles is None:
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351 if not self.PROFILES_ALLOW_NONE:
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352 raise ValueError("profiles can't have a value of None")
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353 else:
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354 for profile in profiles:
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355 self.addProfile(profile)
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356 if not self.profiles:
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357 raise ValueError("no profile found, use None for no profile classes")
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358
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359 @property
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360 def profile(self):
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361 assert (
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362 len(self.profiles) == 1
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363 and not self.PROFILES_MULTIPLE
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364 and not self.PROFILES_ALLOW_NONE
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365 )
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366 return list(self.profiles)[0]
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367
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368 @property
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369 def target(self):
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370 """Return main target
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371
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372 A random target is returned when several targets are available
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373 """
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374 return next(iter(self.targets))
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375
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376 # synchronisation state
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377
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378 @property
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379 def sync(self):
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380 return self._sync
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381
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382 @sync.setter
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383 def sync(self, state):
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384 """state of synchronisation with backend
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385
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386 @param state(bool): True when backend is synchronised
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387 False is set by core
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388 True must be set by the widget when resynchronisation is finished
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389 """
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390 self._sync = state
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391
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392 def resync(self):
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393 """Method called when backend can be resynchronized
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394
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395 The widget has to set self.sync itself when the synchronisation if finished
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396 """
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397 pass
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398
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399 # target/profile
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400
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401 def addTarget(self, target):
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402 """Add a target if it doesn't already exists
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403
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404 @param target: target to add
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405 """
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406 self.targets.add(target)
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407
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408 def addProfile(self, profile):
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409 """Add a profile is if doesn't already exists
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diff changeset
410
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411 @param profile: profile to add
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412 """
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413 if self.profiles and not self.PROFILES_MULTIPLE:
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414 raise ValueError("multiple profiles are not allowed")
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415 self.profiles.add(profile)
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416
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417 # widget identitication
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418
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419 @staticmethod
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420 def getWidgetHash(target, profiles):
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421 """Return the hash associated with this target for this widget class
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422
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423 some widget classes can manage several target on the same instance
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diff changeset
424 (e.g.: a chat widget with multiple resources on the same bare jid),
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diff changeset
425 this method allow to return a hash associated to one or several targets
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diff changeset
426 to retrieve the good instance. For example, a widget managing JID targets,
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diff changeset
427 and all resource of the same bare jid would return the bare jid as hash.
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diff changeset
428
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diff changeset
429 @param target: target to check
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430 @param profiles: profile(s) associated to target, see __init__ docstring
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431 @return: a hash (can correspond to one or many targets or profiles, depending of widget class)
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432 """
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433 return unicode(target) # by defaut, there is one hash for one target
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Goffi <goffi@goffi.org>
parents: 1301
diff changeset
434
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435 # widget life events
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436
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Goffi <goffi@goffi.org>
parents: 2043
diff changeset
437 def onDelete(self, *args, **kwargs):
2043
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
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diff changeset
438 """Called when a widget is being deleted
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
439
2043
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440 @return (boot, None): False to cancel deletion
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441 all other value continue deletion
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442 """
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443 return True