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annotate sat_frontends/quick_frontend/quick_widgets.py @ 2641:b42aa52d2621 0.7.0a2

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0.7.0a2 release
author Goffi <goffi@goffi.org>
date Sun, 08 Jul 2018 18:38:29 +0200
parents 56f94936df1e
children 003b8b4b56a7
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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) 2009-2018 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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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 NEW_INSTANCE_SUFF = "_new_instance_"
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28 classes_map = {}
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31 try:
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32 # FIXME: to be removed when an acceptable solution is here
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33 unicode("") # XXX: unicode doesn't exist in pyjamas
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34 except (
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35 TypeError,
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36 AttributeError,
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37 ): # Error raised is not the same depending on pyjsbuild options
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38 unicode = str
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41 def register(base_cls, child_cls=None):
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42 """Register a child class to use by default when a base class is needed
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44 @param base_cls: "Quick..." base class (like QuickChat or QuickContact), must inherit from QuickWidget
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45 @param child_cls: inherited class to use when Quick... class is requested, must inherit from base_cls.
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46 Can be None if it's the base_cls itself which register
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47 """
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48 # FIXME: we use base_cls.__name__ instead of base_cls directly because pyjamas because
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49 # in the second case
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50 classes_map[base_cls.__name__] = child_cls
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52
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53 class WidgetAlreadyExistsError(Exception):
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54 pass
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57 class QuickWidgetsManager(object):
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58 """This class is used to manage all the widgets of a frontend
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59 A widget can be a window, a graphical thing, or someting else depending of the frontend"""
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60
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61 def __init__(self, host):
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62 self.host = host
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63 self._widgets = {}
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64
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65 def __iter__(self):
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66 """Iterate throught all widgets"""
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67 for widget_map in self._widgets.itervalues():
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68 for widget in widget_map.itervalues():
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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 getRootHash(self, hash_):
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90 """Return root hash (i.e. hash without new instance suffix for recreated widgets
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91
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92 @param hash_(immutable): hash of a widget
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93 @return (unicode): root hash (transtyped to unicode)
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94 """
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95 return unicode(hash_).split(NEW_INSTANCE_SUFF)[0]
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96
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97 def getWidgets(self, class_, target=None, profiles=None):
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98 """Get all subclassed widgets instances
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99
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100 @param class_: subclass of QuickWidget, same parameter as used in [getOrCreateWidget]
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101 @param target: if not None, construct a hash with this target and filter corresponding widgets
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102 recreated widgets (with new instance suffix) are handled
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103 @param profiles(iterable, None): if not None, filter on instances linked to these profiles
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104 @return: iterator on widgets
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105 """
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106 class_ = self.getRealClass(class_)
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107 try:
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108 widgets_map = self._widgets[class_.__name__]
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109 except KeyError:
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110 return
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111 else:
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112 if target is not None:
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113 filter_hash = unicode(class_.getWidgetHash(target, profiles))
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114 else:
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115 filter_hash = None
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
116 for w_hash, w in widgets_map.iteritems():
2007
19b9d3f8a6c7 plugin XEP-0085, quick_frontends, primitivus: chat states are working again
Goffi <goffi@goffi.org>
parents: 1995
diff changeset
117 if profiles is None or w.profiles.intersection(profiles):
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parents: 2562
diff changeset
118 if (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
119 filter_hash is not None
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
120 and self.getRootHash(w_hash) != filter_hash
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
121 ):
2039
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
122 continue
2007
19b9d3f8a6c7 plugin XEP-0085, quick_frontends, primitivus: chat states are working again
Goffi <goffi@goffi.org>
parents: 1995
diff changeset
123 yield w
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Goffi <goffi@goffi.org>
parents: 1265
diff changeset
124
1938
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
125 def getWidget(self, class_, target=None, profiles=None):
1349
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parents: 1322
diff changeset
126 """Get a widget without creating it if it 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
127
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
128 @param class_(class): class of the widget to create
273b044fde6d quick_frontend: add a method getWidget to return a widget without creating it if it doesn't exist
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parents: 1322
diff changeset
129 @param target: target depending of the widget, usually a JID instance
1938
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
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parents: 1934
diff changeset
130 @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
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
131 used, depending of the widget class)
1349
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
132 @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
133 """
1938
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
134 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
135 if profiles is not None and isinstance(profiles, unicode):
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
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parents: 1934
diff changeset
136 profiles = [profiles]
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
137 class_ = self.getRealClass(class_)
1938
011eff37e21d quick frontend, primitivus: quickContactList refactored to handle several profiles at once
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
138 hash_ = class_.getWidgetHash(target, profiles)
1349
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
139 try:
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
140 return self._widgets[class_.__name__][hash_]
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souliane <souliane@mailoo.org>
parents: 1322
diff changeset
141 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>
parents: 1322
diff changeset
142 return None
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
143
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diff changeset
144 def getOrCreateWidget(self, class_, target, *args, **kwargs):
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parents: 1139
diff changeset
145 """Get an existing widget or create a new one when necessary
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parents: 1139
diff changeset
146
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
147 If the widget is new, self.host.newWidget will be called with it.
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parents: 1139
diff changeset
148 @param class_(class): class of the widget to create
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parents: 1139
diff changeset
149 @param target: target depending of the widget, usually a JID instance
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parents: 1139
diff changeset
150 @param args(list): optional args to create a new instance of class_
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9e904f8a094e quick_frontend: getOrCreateWidget callbacks can return another widget
souliane <souliane@mailoo.org>
parents: 1310
diff changeset
151 @param kwargs(dict): optional kwargs to create a new instance of class_
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parents: 1139
diff changeset
152 if 'profile' key is present, it will be popped and put in 'profiles'
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
153 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
154 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
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
155 C.WIDGET_NEW [default]: self.host.newWidget will be called on widget creation
1322
1f13a837e4b2 quick_frontend (quick_widgets): revert commit 1319
souliane <souliane@mailoo.org>
parents: 1321
diff changeset
156 [callable]: this method will be called instead of self.host.newWidget
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parents: 1139
diff changeset
157 None: do nothing
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
158 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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parents: 1290
diff changeset
159 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
Goffi <goffi@goffi.org>
parents: 1290
diff changeset
160 C.WIDGET_RAISE: raise WidgetAlreadyExistsError
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
161 C.WIDGET_RECREATE: create a new widget *WITH A NEW HASH*
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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
162 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
163 so the values can be completed to create correctly the new instance
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souliane <souliane@mailoo.org>
parents: 1321
diff changeset
164 [callable]: this method will be called with existing widget as argument
1265
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parents: 1139
diff changeset
165 if 'force_hash' is present, the hash given in value will be used instead of the one returned by class_.getWidgetHash
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9512590dc3d7 quick_ frontend (quick widgets): added explanation in docstring for non special keywords in getOrCreateWidget
Goffi <goffi@goffi.org>
parents: 1304
diff changeset
166 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
167 it will be used to create a new QuickChat instance).
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parents: 1139
diff changeset
168 @return: a class_ instance, either new or already existing
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parents: 1139
diff changeset
169 """
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parents: 1265
diff changeset
170 cls = self.getRealClass(class_)
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parents: 1139
diff changeset
171
1301
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parents: 1290
diff changeset
172 ## arguments management ##
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parents: 2562
diff changeset
173 _args = [self.host, target] + list(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
174 args
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
175 ) or [] # FIXME: check if it's really necessary to use optional args
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parents: 1139
diff changeset
176 _kwargs = kwargs or {}
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parents: 2562
diff changeset
177 if "profiles" in _kwargs and "profile" in _kwargs:
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
178 raise ValueError(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
179 "You can't have 'profile' and 'profiles' keys at the same time"
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
180 )
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e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
181 try:
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parents: 2562
diff changeset
182 _kwargs["profiles"] = [_kwargs.pop("profile")]
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parents: 1139
diff changeset
183 except KeyError:
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
184 if not "profiles" in _kwargs:
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diff changeset
185 _kwargs["profiles"] = None
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parents: 1139
diff changeset
186
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parents: 2562
diff changeset
187 # on_new_widget tell 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
188 try:
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parents: 2562
diff changeset
189 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
190 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
191 on_new_widget = C.WIDGET_NEW
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parents: 1290
diff changeset
192
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diff changeset
193 # on_existing_widget tell 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
194 try:
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parents: 2562
diff changeset
195 on_existing_widget = _kwargs.pop("on_existing_widget")
1301
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parents: 1290
diff changeset
196 except KeyError:
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Goffi <goffi@goffi.org>
parents: 1290
diff changeset
197 on_existing_widget = C.WIDGET_KEEP
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parents: 1290
diff changeset
198
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
199 ## we get the hash ##
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diff changeset
200 try:
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parents: 2562
diff changeset
201 hash_ = _kwargs.pop("force_hash")
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parents: 1139
diff changeset
202 except KeyError:
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parents: 2562
diff changeset
203 hash_ = cls.getWidgetHash(target, _kwargs["profiles"])
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parents: 1139
diff changeset
204
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Goffi <goffi@goffi.org>
parents: 1303
diff changeset
205 ## widget creation or retrieval ##
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Goffi <goffi@goffi.org>
parents: 1303
diff changeset
206
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parents: 2562
diff changeset
207 widgets_map = self._widgets.setdefault(
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parents: 2562
diff changeset
208 cls.__name__, {}
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
209 ) # we sorts widgets by classes
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parents: 1139
diff changeset
210 if not cls.SINGLE:
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parents: 2562
diff changeset
211 widget = None # if the class is not SINGLE, we always create a new widget
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parents: 1139
diff changeset
212 else:
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parents: 1139
diff changeset
213 try:
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parents: 1265
diff changeset
214 widget = widgets_map[hash_]
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parents: 1139
diff changeset
215 widget.addTarget(target)
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parents: 1139
diff changeset
216 except KeyError:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
217 widget = None
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parents: 1139
diff changeset
218
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parents: 1139
diff changeset
219 if widget is None:
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parents: 1139
diff changeset
220 # we need to create a new widget
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parents: 1139
diff changeset
221 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
222 widget = cls(*_args, **_kwargs)
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parents: 1265
diff changeset
223 widgets_map[hash_] = widget
0
goffi@necton2
parents:
diff changeset
224
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
225 if on_new_widget == C.WIDGET_NEW:
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parents: 1139
diff changeset
226 self.host.newWidget(widget)
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parents: 1139
diff changeset
227 elif callable(on_new_widget):
1322
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parents: 1321
diff changeset
228 on_new_widget(widget)
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parents: 1139
diff changeset
229 else:
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parents: 1139
diff changeset
230 assert on_new_widget is None
1301
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parents: 1290
diff changeset
231 else:
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
232 # the widget already exists
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parents: 1307
diff changeset
233 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
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parents: 1307
diff changeset
234 pass
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Goffi <goffi@goffi.org>
parents: 1308
diff changeset
235 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
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parents: 1290
diff changeset
236 raise WidgetAlreadyExistsError(hash_)
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
237 elif on_existing_widget == C.WIDGET_RECREATE:
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
238 # we use getOrCreateWidget to recreate the new 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
239 # /!\ we use args and kwargs and not _args and _kwargs because we need the original args
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
240 # we need to get rid of kwargs special options
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 new_kwargs = kwargs.copy()
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
242 try:
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
243 new_kwargs.pop(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
244 "force_hash"
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parents: 2562
diff changeset
245 ) # FIXME: we use pop instead of del here because pyjamas doesn't raise error on del
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
246 except KeyError:
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
247 pass
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
248 else:
2624
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parents: 2562
diff changeset
249 raise ValueError(
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parents: 2562
diff changeset
250 "force_hash option can't be used with on_existing_widget=RECREATE"
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parents: 2562
diff changeset
251 )
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parents: 1139
diff changeset
252
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diff changeset
253 new_kwargs["on_new_widget"] = on_new_widget
1995
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Goffi <goffi@goffi.org>
parents: 1955
diff changeset
254
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
255 # XXX: keep up-to-date if new special kwargs are added (i.e.: delete these keys here)
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parents: 2562
diff changeset
256 new_kwargs["on_existing_widget"] = C.WIDGET_RAISE
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parents: 2047
diff changeset
257 try:
e22ab34c68f6 quick fronten (widgets): if a widget is recreated, "recreateArgs" method can be implemented to specify arguments to clone it correctly
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parents: 2047
diff changeset
258 recreateArgs = widget.recreateArgs
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parents: 2047
diff changeset
259 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
260 pass
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Goffi <goffi@goffi.org>
parents: 2047
diff changeset
261 else:
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
262 recreateArgs(args, new_kwargs)
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
263 hash_idx = 1
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parents: 1290
diff changeset
264 while True:
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parents: 2562
diff changeset
265 new_kwargs["force_hash"] = "{}{}{}".format(
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parents: 2562
diff changeset
266 hash_, NEW_INSTANCE_SUFF, hash_idx
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parents: 2562
diff changeset
267 )
1301
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Goffi <goffi@goffi.org>
parents: 1290
diff changeset
268 try:
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diff changeset
269 widget = self.getOrCreateWidget(
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parents: 2562
diff changeset
270 class_, target, *args, **new_kwargs
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parents: 2562
diff changeset
271 )
1301
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parents: 1290
diff changeset
272 except WidgetAlreadyExistsError:
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parents: 1290
diff changeset
273 hash_idx += 1
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parents: 1290
diff changeset
274 else:
2624
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parents: 2562
diff changeset
275 log.debug(
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parents: 2562
diff changeset
276 u"Widget already exists, a new one has been recreated with hash {}".format(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
277 new_kwargs["force_hash"]
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
278 )
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
279 )
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
280 break
1308
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parents: 1307
diff changeset
281 elif callable(on_existing_widget):
1322
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parents: 1321
diff changeset
282 on_existing_widget(widget)
1308
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diff changeset
283 else:
2624
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diff changeset
284 raise exceptions.InternalError(
56f94936df1e code style reformatting using black
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diff changeset
285 "Unexpected on_existing_widget value ({})".format(on_existing_widget)
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parents: 2562
diff changeset
286 )
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
287
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diff changeset
288 return widget
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diff changeset
289
2047
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Goffi <goffi@goffi.org>
parents: 2043
diff changeset
290 def deleteWidget(self, widget_to_delete, *args, **kwargs):
1303
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parents: 1301
diff changeset
291 """Delete a widget
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parents: 1301
diff changeset
292
2043
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
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parents: 2039
diff changeset
293 this method must be called by frontends when a widget is deleted
1303
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parents: 1301
diff changeset
294 widget's onDelete method will be called before deletion
2047
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parents: 2043
diff changeset
295 @param widget_to_delete(QuickWidget): widget which need to deleted
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parents: 2043
diff changeset
296 @param *args: extra arguments to pass to onDelete
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parents: 2043
diff changeset
297 @param *kwargs: extra keywords arguments to pass to onDelete
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parents: 2043
diff changeset
298 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
299 the frontend to use them or not
1303
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parents: 1301
diff changeset
300 """
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
301 if widget_to_delete.onDelete(*args, **kwargs) == False:
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
302 return
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
303
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
Goffi <goffi@goffi.org>
parents: 2039
diff changeset
304 if self.host.selected_widget == widget_to_delete:
f3940f6a3222 quick frontend (widgets): a deletion with onDelete can now be cancelled if onDelete return False
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parents: 2039
diff changeset
305 self.host.selected_widget = None
1303
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Goffi <goffi@goffi.org>
parents: 1301
diff changeset
306
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
307 for widget_map in self._widgets.itervalues():
1410
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
308 to_delete = set()
1303
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
309 for hash_, widget in widget_map.iteritems():
d3ef3894254d quick frontend (quick_widgets): add deleteWidget method
Goffi <goffi@goffi.org>
parents: 1301
diff changeset
310 if widget_to_delete is widget:
1410
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
311 to_delete.add(hash_)
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
312 for hash_ in to_delete:
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
313 del widget_map[hash_]
1303
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Goffi <goffi@goffi.org>
parents: 1301
diff changeset
314
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parents: 1139
diff changeset
315
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
316 class QuickWidget(object):
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parents: 1139
diff changeset
317 """generic widget base"""
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parents: 2562
diff changeset
318
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diff changeset
319 SINGLE = True # if True, there can be only one widget per target(s)
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parents: 2562
diff changeset
320 PROFILES_MULTIPLE = False # If True, this widget can handle several profiles at once
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parents: 2562
diff changeset
321 PROFILES_ALLOW_NONE = False # If True, this widget can be used without profile
0
goffi@necton2
parents:
diff changeset
322
1265
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
323 def __init__(self, host, target, profiles=None):
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
324 """
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
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parents: 1139
diff changeset
325 @param host: %(doc_host)s
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parents: 1139
diff changeset
326 @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
327 @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
328 - (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
329 - (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
330 - 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
331 @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
332 """
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
333 self.host = host
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
334 self.targets = set()
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
335 self.addTarget(target)
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
336 self.profiles = set()
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
337 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
338 self.addProfile(profiles)
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
339 elif profiles is None:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
340 if not self.PROFILES_ALLOW_NONE:
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
diff changeset
341 raise ValueError("profiles can't have a value of None")
e3a9ea76de35 quick_frontend, primitivus: multi-profiles refactoring part 1 (big commit, sorry :p):
Goffi <goffi@goffi.org>
parents: 1139
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342 else:
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343 for profile in profiles:
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344 self.addProfile(profile)
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345 if not self.profiles:
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346 raise ValueError("no profile found, use None for no profile classes")
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347
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348 @property
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349 def profile(self):
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350 assert (
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351 len(self.profiles) == 1
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352 and not self.PROFILES_MULTIPLE
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353 and not self.PROFILES_ALLOW_NONE
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354 )
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355 return list(self.profiles)[0]
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356
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357 def addTarget(self, target):
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358 """Add a target if it doesn't already exists
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359
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360 @param target: target to add
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361 """
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362 self.targets.add(target)
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363
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364 def addProfile(self, profile):
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parents: 1139
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365 """Add a profile is if doesn't already exists
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366
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367 @param profile: profile to add
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368 """
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369 if self.profiles and not self.PROFILES_MULTIPLE:
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370 raise ValueError("multiple profiles are not allowed")
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371 self.profiles.add(profile)
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372
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373 @staticmethod
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374 def getWidgetHash(target, profiles):
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375 """Return the hash associated with this target for this widget class
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376
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377 some widget classes can manage several target on the same instance
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378 (e.g.: a chat widget with multiple resources on the same bare jid),
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379 this method allow to return a hash associated to one or several targets
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380 to retrieve the good instance. For example, a widget managing JID targets,
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381 and all resource of the same bare jid would return the bare jid as hash.
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382
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383 @param target: target to check
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384 @param profiles: profile(s) associated to target, see __init__ docstring
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385 @return: a hash (can correspond to one or many targets or profiles, depending of widget class)
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386 """
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387 return unicode(target) # by defaut, there is one hash for one target
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parents: 1301
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388
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389 def onDelete(self, *args, **kwargs):
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390 """Called when a widget is being deleted
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parents: 1396
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391
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392 @return (boot, None): False to cancel deletion
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393 all other value continue deletion
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394 """
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395 log.debug(u"widget {} deleted".format(self))
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396 return True