Mercurial > libervia-desktop
annotate src/cagou/core/cagou_main.py @ 41:7cac2d1a6f20
core: new getPluginInfo method to retrieve plugin info corresponding to filter(s)
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 28 Aug 2016 16:11:07 +0200 |
| parents | a1ec6cb57a1b |
| children | 12fdc7d1feb1 |
| rev | line source |
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1 #!/usr//bin/env python2 |
| 0 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 5 # Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org) | |
| 6 | |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 14 | 21 from sat.core.i18n import _ |
|
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22 import logging_setter |
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23 logging_setter.set_logging() |
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24 from constants import Const as C |
| 0 | 25 from sat.core import log as logging |
| 26 log = logging.getLogger(__name__) | |
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27 from sat.core import exceptions |
| 0 | 28 from sat_frontends.quick_frontend.quick_app import QuickApp |
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29 from sat_frontends.quick_frontend import quick_widgets |
| 0 | 30 from sat_frontends.bridge.DBus import DBusBridgeFrontend |
| 31 import kivy | |
| 32 kivy.require('1.9.1') | |
| 33 import kivy.support | |
| 34 kivy.support.install_gobject_iteration() | |
| 35 from kivy.app import App | |
| 14 | 36 from kivy.lang import Builder |
| 29 | 37 from kivy import properties |
| 0 | 38 import xmlui |
| 39 from profile_manager import ProfileManager | |
| 13 | 40 from widgets_handler import WidgetsHandler |
| 29 | 41 from kivy.clock import Clock |
| 42 from kivy.uix.label import Label | |
| 9 | 43 from kivy.uix.boxlayout import BoxLayout |
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44 from kivy.uix.screenmanager import ScreenManager, Screen, FallOutTransition, RiseInTransition |
| 29 | 45 from kivy.uix.dropdown import DropDown |
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46 from cagou_widget import CagouWidget |
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47 from . import widgets_handler |
| 29 | 48 from .common import IconButton |
| 14 | 49 from importlib import import_module |
| 9 | 50 import os.path |
| 14 | 51 import glob |
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52 import cagou.plugins |
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53 import cagou.kv |
| 9 | 54 |
| 55 | |
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56 class NotifsIcon(IconButton): |
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57 notifs = properties.ListProperty() |
| 29 | 58 |
| 59 def on_release(self): | |
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60 callback, args, kwargs = self.notifs.pop(0) |
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61 callback(*args, **kwargs) |
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62 |
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63 def addNotif(self, callback, *args, **kwargs): |
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64 self.notifs.append((callback, args, kwargs)) |
| 29 | 65 |
| 66 | |
| 67 class Note(Label): | |
| 68 title = properties.StringProperty() | |
| 69 message = properties.StringProperty() | |
| 70 level = properties.OptionProperty(C.XMLUI_DATA_LVL_DEFAULT, options=list(C.XMLUI_DATA_LVLS)) | |
| 71 | |
| 72 | |
| 73 class NoteDrop(Note): | |
| 74 pass | |
| 75 | |
| 76 | |
| 77 class NotesDrop(DropDown): | |
| 78 clear_btn = properties.ObjectProperty() | |
| 79 | |
| 80 def __init__(self, notes): | |
| 81 super(NotesDrop, self).__init__() | |
| 82 self.notes = notes | |
| 83 | |
| 84 def open(self, widget): | |
| 85 self.clear_widgets() | |
| 86 for n in self.notes: | |
| 87 self.add_widget(NoteDrop(title=n.title, message=n.message, level=n.level)) | |
| 88 self.add_widget(self.clear_btn) | |
| 89 super(NotesDrop, self).open(widget) | |
| 90 | |
| 91 | |
| 92 class RootHeadWidget(BoxLayout): | |
| 93 """Notifications widget""" | |
| 94 manager = properties.ObjectProperty() | |
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95 notifs_icon = properties.ObjectProperty() |
| 29 | 96 notes = properties.ListProperty() |
| 97 | |
| 98 def __init__(self): | |
| 99 super(RootHeadWidget, self).__init__() | |
| 100 self.notes_last = None | |
| 101 self.notes_event = None | |
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102 self.notes_drop = NotesDrop(self.notes) |
| 29 | 103 |
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104 def addNotif(self, callback, *args, **kwargs): |
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105 self.notifs_icon.addNotif(callback, *args, **kwargs) |
| 29 | 106 |
| 107 def addNote(self, title, message, level): | |
| 108 note = Note(title=title, message=message, level=level) | |
| 109 self.notes.append(note) | |
| 110 if len(self.notes) > 10: | |
| 111 del self.notes[:-10] | |
| 112 if self.notes_event is None: | |
| 113 self.notes_event = Clock.schedule_interval(self._displayNextNote, 5) | |
| 114 self._displayNextNote() | |
| 115 | |
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116 def addNotifUI(self, ui): |
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117 self.notifs_icon.addNotif(ui.show, force=True) |
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118 |
| 29 | 119 def _displayNextNote(self, dummy=None): |
| 120 screen = Screen() | |
| 121 try: | |
| 122 idx = self.notes.index(self.notes_last) + 1 | |
| 123 except ValueError: | |
| 124 idx = 0 | |
| 125 try: | |
| 126 note = self.notes_last = self.notes[idx] | |
| 127 except IndexError: | |
| 128 self.notes_event.cancel() | |
| 129 self.notes_event = None | |
| 130 else: | |
| 131 screen.add_widget(note) | |
| 132 self.manager.switch_to(screen) | |
| 133 | |
| 134 | |
| 9 | 135 class CagouRootWidget(BoxLayout): |
| 136 | |
| 29 | 137 def __init__(self, main_widget): |
| 9 | 138 super(CagouRootWidget, self).__init__(orientation=("vertical")) |
| 29 | 139 # header |
| 140 self._head_widget = RootHeadWidget() | |
| 141 self.add_widget(self._head_widget) | |
| 9 | 142 |
| 29 | 143 # body |
| 144 self._manager = ScreenManager() | |
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145 # main widgets |
| 29 | 146 main_screen = Screen(name='main') |
| 147 main_screen.add_widget(main_widget) | |
| 148 self._manager.add_widget(main_screen) | |
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149 # backend XMLUI (popups, forms, etc) |
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150 xmlui_screen = Screen(name='xmlui') |
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151 self._manager.add_widget(xmlui_screen) |
| 29 | 152 self.add_widget(self._manager) |
| 153 | |
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154 def changeWidget(self, widget, screen_name="main"): |
| 29 | 155 """change main widget""" |
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156 screen = self._manager.get_screen(screen_name) |
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157 screen.clear_widgets() |
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158 screen.add_widget(widget) |
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159 |
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160 def show(self, screen="main"): |
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161 if self._manager.current == screen: |
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162 return |
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163 if screen == "main": |
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164 self._manager.transition = FallOutTransition() |
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165 else: |
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166 self._manager.transition = RiseInTransition() |
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167 self._manager.current = screen |
| 29 | 168 |
| 169 def newAction(self, handler, action_data, id_, security_limit, profile): | |
| 170 """Add a notification for an action""" | |
| 171 self._head_widget.addNotif(handler, action_data, id_, security_limit, profile) | |
| 172 | |
| 173 def addNote(self, title, message, level): | |
| 174 self._head_widget.addNote(title, message, level) | |
| 0 | 175 |
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176 def addNotifUI(self, ui): |
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177 self._head_widget.addNotifUI(ui) |
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178 |
| 0 | 179 |
| 180 class CagouApp(App): | |
| 181 """Kivy App for Cagou""" | |
| 182 | |
| 183 def build(self): | |
| 29 | 184 return CagouRootWidget(ProfileManager()) |
| 0 | 185 |
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186 def expand(self, path, *args, **kwargs): |
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187 """expand path and replace known values |
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188 |
| 32 | 189 useful in kv. Values which can be used: |
| 190 - {media}: media dir | |
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191 @param path(unicode): path to expand |
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192 @param *args: additional arguments used in format |
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193 @param **kwargs: additional keyword arguments used in format |
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194 """ |
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195 return os.path.expanduser(path).format(*args, media=self.host.media_dir, **kwargs) |
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196 |
| 0 | 197 |
| 198 class Cagou(QuickApp): | |
| 199 MB_HANDLE = False | |
| 200 | |
| 201 def __init__(self): | |
| 202 super(Cagou, self).__init__(create_bridge=DBusBridgeFrontend, xmlui=xmlui) | |
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203 self._import_kv() |
| 0 | 204 self.app = CagouApp() |
| 29 | 205 self.app.host = self |
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206 self.media_dir = self.app.media_dir = self.bridge.getConfig("", "media_dir") |
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207 self.app.default_avatar = os.path.join(self.media_dir, "misc/default_avatar.png") |
| 14 | 208 self._plg_wids = [] # widget plugins |
| 209 self._import_plugins() | |
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210 self._visible_widgets = {} # visible widgets by classes |
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211 |
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212 @property |
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213 def visible_widgets(self): |
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214 for w_list in self._visible_widgets.itervalues(): |
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215 for w in w_list: |
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216 yield w |
| 0 | 217 |
| 218 def run(self): | |
| 219 self.app.run() | |
| 220 | |
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221 def _defaultFactory(self, plugin_info, target, profiles): |
| 14 | 222 """factory used to create widget instance when PLUGIN_INFO["factory"] is not set""" |
| 223 main_cls = plugin_info['main'] | |
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224 return self.widgets.getOrCreateWidget(main_cls, target, on_new_widget=None, profiles=iter(self.profiles)) |
| 14 | 225 |
| 29 | 226 ## plugins & kv import ## |
| 227 | |
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228 def _import_kv(self): |
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229 """import all kv files in cagou.kv""" |
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230 path = os.path.dirname(cagou.kv.__file__) |
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231 for kv_path in glob.glob(os.path.join(path, "*.kv")): |
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232 Builder.load_file(kv_path) |
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233 log.debug(u"kv file {} loaded".format(kv_path)) |
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234 |
| 14 | 235 def _import_plugins(self): |
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236 """import all plugins""" |
| 14 | 237 self.default_wid = None |
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238 plugins_path = os.path.dirname(cagou.plugins.__file__) |
| 14 | 239 plug_lst = [os.path.splitext(p)[0] for p in map(os.path.basename, glob.glob(os.path.join(plugins_path, "plugin*.py")))] |
| 240 imported_names = set() # use to avoid loading 2 times plugin with same import name | |
| 241 for plug in plug_lst: | |
|
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242 plugin_path = 'cagou.plugins.' + plug |
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243 mod = import_module(plugin_path) |
| 14 | 244 try: |
| 245 plugin_info = mod.PLUGIN_INFO | |
| 246 except AttributeError: | |
| 247 plugin_info = {} | |
| 248 | |
| 249 # import name is used to differentiate plugins | |
| 250 if 'import_name' not in plugin_info: | |
| 251 plugin_info['import_name'] = plug | |
| 252 if 'import_name' in imported_names: | |
| 253 log.warning(_(u"there is already a plugin named {}, ignoring new one").format(plugin_info['import_name'])) | |
| 254 continue | |
| 255 if plugin_info['import_name'] == C.WID_SELECTOR: | |
| 256 # if WidgetSelector exists, it will be our default widget | |
| 257 self.default_wid = plugin_info | |
| 258 | |
| 259 # we want everything optional, so we use plugin file name | |
| 260 # if actual name is not found | |
| 261 if 'name' not in plugin_info: | |
| 262 plugin_info['name'] = plug[plug.rfind('_')+1:] | |
| 263 | |
| 264 # we need to load the kv file | |
| 265 if 'kv_file' not in plugin_info: | |
| 266 plugin_info['kv_file'] = u'{}.kv'.format(plug) | |
|
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267 kv_path = os.path.join(plugins_path, plugin_info['kv_file']) |
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268 Builder.load_file(kv_path) |
| 14 | 269 |
| 270 # what is the main class ? | |
| 271 main_cls = getattr(mod, plugin_info['main']) | |
| 272 plugin_info['main'] = main_cls | |
| 273 | |
| 274 # factory is used to create the instance | |
| 275 # if not found, we use a defaut one with getOrCreateWidget | |
| 276 if 'factory' not in plugin_info: | |
| 277 plugin_info['factory'] = self._defaultFactory | |
| 278 | |
|
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279 # icons |
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280 for size in ('small', 'medium'): |
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281 key = u'icon_{}'.format(size) |
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282 try: |
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283 path = plugin_info[key] |
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284 except KeyError: |
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285 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir) |
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286 else: |
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287 path = path.format(media=self.media_dir) |
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288 if not os.path.isfile(path): |
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289 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir) |
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290 plugin_info[key] = path |
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291 |
| 14 | 292 self._plg_wids.append(plugin_info) |
| 293 if not self._plg_wids: | |
| 294 log.error(_(u"no widget plugin found")) | |
| 295 return | |
| 296 | |
| 297 # we want widgets sorted by names | |
| 298 self._plg_wids.sort(key=lambda p: p['name'].lower()) | |
| 299 | |
| 300 if self.default_wid is None: | |
| 301 # we have no selector widget, we use the first widget as default | |
| 302 self.default_wid = self._plg_wids[0] | |
| 303 | |
| 304 def getPluggedWidgets(self, except_cls=None): | |
| 305 """get available widgets plugin infos | |
| 306 | |
| 307 @param except_cls(None, class): if not None, | |
| 308 widgets from this class will be excluded | |
|
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309 @return (iter[dict]): available widgets plugin infos |
| 14 | 310 """ |
|
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311 for plugin_data in self._plg_wids: |
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312 if plugin_data['main'] == except_cls: |
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313 continue |
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314 yield plugin_data |
| 14 | 315 |
|
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316 def getPluginInfo(self, **kwargs): |
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317 """get first plugin info corresponding to filters |
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318 |
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319 @param **kwargs: filter(s) to use, each key present here must also |
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320 exist and be of the same value in requested plugin info |
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321 @return (dict, None): found plugin info or None |
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322 """ |
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323 for plugin_info in self._plg_wids: |
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324 for k, w in kwargs.iteritems(): |
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325 try: |
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326 if plugin_info[k] != w: |
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327 continue |
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328 except KeyError: |
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329 continue |
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330 return plugin_info |
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331 |
| 29 | 332 ## widgets handling |
| 9 | 333 |
|
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334 def getParentHandler(self, widget): |
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335 """Return handler holding this widget |
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336 |
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337 @return (WidgetsHandler): handler |
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338 """ |
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339 w_handler = widget.parent |
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340 while w_handler and not(isinstance(w_handler, widgets_handler.WidgetsHandler)): |
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341 w_handler = w_handler.parent |
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342 return w_handler |
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343 |
|
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344 def switchWidget(self, old, new): |
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345 """Replace old widget by new one |
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346 |
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347 old(CagouWidget): CagouWidget instance or a child |
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348 new(CagouWidget): new widget instance |
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349 """ |
| 14 | 350 to_change = None |
| 351 if isinstance(old, CagouWidget): | |
| 352 to_change = old | |
| 353 else: | |
| 354 for w in old.walk_reverse(): | |
| 355 if isinstance(w, CagouWidget): | |
| 356 to_change = w | |
| 357 break | |
| 358 | |
| 359 if to_change is None: | |
|
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360 raise exceptions.InternalError(u"no CagouWidget found when trying to switch widget") |
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361 handler = self.getParentHandler(to_change) |
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362 handler.changeWidget(new) |
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363 |
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364 def addVisibleWidget(self, widget): |
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365 """declare a widget visible |
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366 |
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367 for internal use only! |
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368 """ |
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369 assert isinstance(widget, quick_widgets.QuickWidget) |
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370 self._visible_widgets.setdefault(widget.__class__, []).append(widget) |
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371 |
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372 def removeVisibleWidget(self, widget): |
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373 """declare a widget not visible anymore |
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374 |
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375 for internal use only! |
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376 """ |
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377 self._visible_widgets[widget.__class__].remove(widget) |
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378 self.widgets.deleteWidget(widget) |
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379 |
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380 def getVisibleList(self, cls): |
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381 """get list of visible widgets for a given class |
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382 |
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383 @param cls(QuickWidget class): type of widgets to get |
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384 @return (list[QuickWidget class]): visible widgets of this class |
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385 """ |
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386 try: |
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387 return self._visible_widgets[cls] |
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388 except KeyError: |
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389 return [] |
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390 |
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391 def getOrClone(self, widget): |
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392 """Get a QuickWidget if it has not parent set else clone it""" |
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393 if widget.parent is None: |
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394 return widget |
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395 targets = list(widget.targets) |
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396 w = self.widgets.getOrCreateWidget(widget.__class__, targets[0], on_new_widget=None, on_existing_widget=C.WIDGET_RECREATE, profiles=widget.profiles) |
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397 for t in targets[1:]: |
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398 w.addTarget(t) |
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399 return w |
| 29 | 400 |
| 401 ## misc ## | |
| 402 | |
| 403 def plugging_profiles(self): | |
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404 self.app.root.changeWidget(WidgetsHandler()) |
| 29 | 405 |
| 406 def setPresenceStatus(self, show='', status=None, profile=C.PROF_KEY_NONE): | |
| 407 log.info(u"Profile presence status set to {show}/{status}".format(show=show, status=status)) | |
| 408 | |
| 409 def addNote(self, title, message, level): | |
| 410 """add a note (message which disappear) to root widget's header""" | |
| 411 self.app.root.addNote(title, message, level) | |
| 412 | |
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413 def addNotifUI(self, ui): |
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414 """add a notification with a XMLUI attached |
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415 |
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416 @param ui(xmlui.XMLUIPanel): XMLUI instance to show when notification is selected |
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417 """ |
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418 self.app.root.addNotifUI(ui) |
| 29 | 419 |
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420 def showUI(self, ui): |
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421 self.app.root.changeWidget(ui, "xmlui") |
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422 self.app.root.show("xmlui") |
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423 |
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424 def closeUI(self): |
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425 self.app.root.show() |