Mercurial > libervia-desktop-kivy
annotate src/cagou/core/cagou_main.py @ 38:9f45098289cc
widgets handler, core: hidden widgets can now be shown with swipes:
- a couple of methods have been added to handle visible and hidden widgets
- a new getOrClone method allow to recreate a widget if it already has a parent (can happen even if the widget is not shown, e.g. in a carousel)
- handler now display hidden widgets of the same class as the displayed one when swiping. For instance, if a chat widget is displayed, and header input is used to show an other one, it's now possible to go back to the former by swiping. QuickWidget.onDelete method can be used to handle if a widget must be really deleted (return True) or just hidden (any other value).
- handler use a subclass of Carousel for this new feature, with some adjustement so event can be passed to children without too much delay (and frustration). This may need to be adjusted again in the future.
- handler.cagou_widget now give the main displayed widget in the handler
- handler.changeWidget must be used when widget need to be changed (it's better to use host.switchWidget which will call it itself)
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 28 Aug 2016 15:27:48 +0200 |
| parents | 02acbb297a61 |
| children | a1ec6cb57a1b |
| 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 | |
| 309 @return (list[dict]): available widgets plugin infos | |
| 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 |
| 29 | 316 ## widgets handling |
| 9 | 317 |
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318 def getParentHandler(self, widget): |
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319 """Return handler holding this widget |
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320 |
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321 @return (WidgetsHandler): handler |
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322 """ |
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323 w_handler = widget.parent |
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324 while w_handler and not(isinstance(w_handler, widgets_handler.WidgetsHandler)): |
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325 w_handler = w_handler.parent |
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326 return w_handler |
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327 |
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328 def switchWidget(self, old, new): |
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329 """Replace old widget by new one |
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330 |
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331 old(CagouWidget): CagouWidget instance or a child |
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332 new(CagouWidget): new widget instance |
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333 """ |
| 14 | 334 to_change = None |
| 335 if isinstance(old, CagouWidget): | |
| 336 to_change = old | |
| 337 else: | |
| 338 for w in old.walk_reverse(): | |
| 339 if isinstance(w, CagouWidget): | |
| 340 to_change = w | |
| 341 break | |
| 342 | |
| 343 if to_change is None: | |
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344 raise exceptions.InternalError(u"no CagouWidget found when trying to switch widget") |
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345 handler = self.getParentHandler(to_change) |
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346 handler.changeWidget(new) |
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347 |
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348 def addVisibleWidget(self, widget): |
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349 """declare a widget visible |
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350 |
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351 for internal use only! |
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352 """ |
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353 assert isinstance(widget, quick_widgets.QuickWidget) |
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354 log.info(u"addVisibleWidget: {}".format(', '.join([unicode(t) for t in widget.targets]))) |
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355 self._visible_widgets.setdefault(widget.__class__, []).append(widget) |
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356 |
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357 def removeVisibleWidget(self, widget): |
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358 """declare a widget not visible anymore |
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359 |
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360 for internal use only! |
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361 """ |
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362 log.info(u"removeVisibleWidget: {}".format(', '.join([unicode(t) for t in widget.targets]))) |
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363 self._visible_widgets[widget.__class__].remove(widget) |
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364 log.info("remove: " + unicode(widget.targets)) |
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365 self.widgets.deleteWidget(widget) |
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366 |
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367 def getVisibleList(self, cls): |
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368 """get list of visible widgets for a given class |
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369 |
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370 @param cls(QuickWidget class): type of widgets to get |
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371 @return (list[QuickWidget class]): visible widgets of this class |
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372 """ |
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373 try: |
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374 return self._visible_widgets[cls] |
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375 except KeyError: |
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376 return [] |
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377 |
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378 def getOrClone(self, widget): |
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379 """Get a QuickWidget if it has not parent set else clone it""" |
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380 if widget.parent is None: |
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381 return widget |
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382 targets = list(widget.targets) |
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383 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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384 for t in targets[1:]: |
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385 w.addTarget(t) |
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386 return w |
| 29 | 387 |
| 388 ## misc ## | |
| 389 | |
| 390 def plugging_profiles(self): | |
|
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391 self.app.root.changeWidget(WidgetsHandler()) |
| 29 | 392 |
| 393 def setPresenceStatus(self, show='', status=None, profile=C.PROF_KEY_NONE): | |
| 394 log.info(u"Profile presence status set to {show}/{status}".format(show=show, status=status)) | |
| 395 | |
| 396 def addNote(self, title, message, level): | |
| 397 """add a note (message which disappear) to root widget's header""" | |
| 398 self.app.root.addNote(title, message, level) | |
| 399 | |
|
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400 def addNotifUI(self, ui): |
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401 """add a notification with a XMLUI attached |
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402 |
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403 @param ui(xmlui.XMLUIPanel): XMLUI instance to show when notification is selected |
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404 """ |
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405 self.app.root.addNotifUI(ui) |
| 29 | 406 |
|
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Goffi <goffi@goffi.org>
parents:
32
diff
changeset
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407 def showUI(self, ui): |
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c21d1be2e54c
core: XMLUI notifications coming from backend are handled:
Goffi <goffi@goffi.org>
parents:
32
diff
changeset
|
408 self.app.root.changeWidget(ui, "xmlui") |
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c21d1be2e54c
core: XMLUI notifications coming from backend are handled:
Goffi <goffi@goffi.org>
parents:
32
diff
changeset
|
409 self.app.root.show("xmlui") |
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c21d1be2e54c
core: XMLUI notifications coming from backend are handled:
Goffi <goffi@goffi.org>
parents:
32
diff
changeset
|
410 |
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c21d1be2e54c
core: XMLUI notifications coming from backend are handled:
Goffi <goffi@goffi.org>
parents:
32
diff
changeset
|
411 def closeUI(self): |
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c21d1be2e54c
core: XMLUI notifications coming from backend are handled:
Goffi <goffi@goffi.org>
parents:
32
diff
changeset
|
412 self.app.root.show() |