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annotate sat_frontends/quick_frontend/quick_widgets.py @ 2888:e3803ae89fbc

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quick_frontend (widgets): fixed crash on getWidgets when target doesn't correspond to any widget
author Goffi <goffi@goffi.org>
date Sun, 07 Apr 2019 15:04:28 +0200
parents ef65dbce313b
children ab2696e34d29
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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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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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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38
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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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parents: 2851
diff changeset
120 if filter_hash is not None:
2888
e3803ae89fbc quick_frontend (widgets): fixed crash on getWidgets when target doesn't correspond to any widget
Goffi <goffi@goffi.org>
parents: 2855
diff changeset
121 for widget in widgets_map.get(filter_hash, []):
2852
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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:
e2595c81eb6d quick frontend(widgets): improved handling of multiple instances of widgets:
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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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parents: 1322
diff changeset
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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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
136 @return: a class_ instance or None if the widget doesn't exist
273b044fde6d quick_frontend: add a method getWidget to return a widget without creating it if it doesn't exist
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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parents: 1934
diff changeset
139 if profiles is not None and isinstance(profiles, unicode):
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parents: 1934
diff changeset
140 profiles = [profiles]
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parents: 1322
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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souliane <souliane@mailoo.org>
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:
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
146 return None
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
147
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diff changeset
148 def getOrCreateWidget(self, class_, target, *args, **kwargs):
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parents: 1139
diff changeset
149 """Get an existing widget or create a new one when necessary
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parents: 1139
diff changeset
150
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parents: 1139
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
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
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
souliane <souliane@mailoo.org>
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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parents: 1290
diff changeset
164 C.WIDGET_RAISE: raise WidgetAlreadyExistsError
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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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parents: 1139
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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parents: 1139
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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parents: 1265
diff changeset
174 cls = self.getRealClass(class_)
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diff changeset
175
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
176 ## arguments management ##
2624
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parents: 2562
diff changeset
177 _args = [self.host, target] + list(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
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
Goffi <goffi@goffi.org>
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
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
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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Goffi <goffi@goffi.org>
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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parents: 1290
diff changeset
198 try:
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diff changeset
199 on_existing_widget = _kwargs.pop("on_existing_widget")
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
200 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
201 on_existing_widget = C.WIDGET_KEEP
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Goffi <goffi@goffi.org>
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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parents: 1139
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 ##
1a61b18703c4 quick frontend (quick widgets): class' __name__ method is used for classes_map hash because the use of class directly was causing bugs with pyjamas (difficult to find, several MicroblogPanel instances were added only once in Libervia's TabPanel, hash method seemed buggy)
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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parents: 1139
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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parents: 1139
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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parents: 1139
diff changeset
223
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
224 if widget is None:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
225 # we need to create a new widget
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parents: 1139
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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parents: 1139
diff changeset
227 widget = cls(*_args, **_kwargs)
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Goffi <goffi@goffi.org>
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>
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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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parents: 2845
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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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parents: 2845
diff changeset
398
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399 # target/profile
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diff changeset
400
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401 def addTarget(self, target):
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parents: 1139
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402 """Add a target if it doesn't already exists
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parents: 1139
diff changeset
403
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
404 @param target: target to add
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parents: 1139
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405 """
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parents: 1139
diff changeset
406 self.targets.add(target)
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parents: 1139
diff changeset
407
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
408 def addProfile(self, profile):
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parents: 1139
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409 """Add a profile is if doesn't already exists
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parents: 1139
diff changeset
410
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parents: 1139
diff changeset
411 @param profile: profile to add
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parents: 1139
diff changeset
412 """
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parents: 1139
diff changeset
413 if self.profiles and not self.PROFILES_MULTIPLE:
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diff changeset
414 raise ValueError("multiple profiles are not allowed")
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parents: 1139
diff changeset
415 self.profiles.add(profile)
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parents: 1139
diff changeset
416
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417 # widget identitication
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diff changeset
418
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419 @staticmethod
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parents: 1139
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420 def getWidgetHash(target, profiles):
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parents: 1139
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421 """Return the hash associated with this target for this widget class
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parents: 1139
diff changeset
422
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
423 some widget classes can manage several target on the same instance
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parents: 1139
diff changeset
424 (e.g.: a chat widget with multiple resources on the same bare jid),
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
425 this method allow to return a hash associated to one or several targets
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parents: 1139
diff changeset
426 to retrieve the good instance. For example, a widget managing JID targets,
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
427 and all resource of the same bare jid would return the bare jid as hash.
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
428
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
429 @param target: target to check
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parents: 1139
diff changeset
430 @param profiles: profile(s) associated to target, see __init__ docstring
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parents: 1139
diff changeset
431 @return: a hash (can correspond to one or many targets or profiles, depending of widget class)
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parents: 1139
diff changeset
432 """
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433 return unicode(target) # by defaut, there is one hash for one target
1303
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
434
2851
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435 # widget life events
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parents: 2845
diff changeset
436
2047
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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>
parents: 2039
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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Goffi <goffi@goffi.org>
parents: 2039
diff changeset
440 @return (boot, None): False to cancel deletion
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
441 all other value continue deletion
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Goffi <goffi@goffi.org>
parents: 2039
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442 """
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
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443 return True