Mercurial > libervia-desktop-kivy
annotate cagou/core/menu.py @ 324:4374cb741eb5
core (common widgets): added a DelayedBoxLayout class:
DelayedBoxLayout delay the sizing, this is useful when sizing is complex and resource
consuming.
Thanks to https://blog.kivy.org/2019/07/a-delayed-resize-layout-in-kivy/
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 06 Dec 2019 13:23:03 +0100 |
| parents | e2b51663d8b8 |
| children | b77792cc6d12 |
| rev | line source |
|---|---|
| 51 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 282 | 5 # Copyright (C) 2016-2019 Jérôme Poisson (goffi@goffi.org) |
| 51 | 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 | |
| 21 from sat.core.i18n import _ | |
| 22 from sat.core import log as logging | |
| 23 from cagou.core.constants import Const as C | |
|
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24 from cagou.core.common import JidToggle |
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25 from kivy.uix.boxlayout import BoxLayout |
| 51 | 26 from kivy.uix.label import Label |
| 27 from kivy.uix.popup import Popup | |
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28 from cagou.core.utils import FilterBehavior |
| 51 | 29 from kivy import properties |
| 222 | 30 from kivy.garden import contextmenu, modernmenu |
| 51 | 31 from sat_frontends.quick_frontend import quick_menus |
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32 from kivy.core.window import Window |
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33 from kivy.animation import Animation |
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34 from kivy.metrics import dp |
| 222 | 35 from kivy.clock import Clock |
| 51 | 36 from cagou import G |
| 222 | 37 from functools import partial |
| 51 | 38 import webbrowser |
| 39 | |
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40 log = logging.getLogger(__name__) |
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41 |
| 312 | 42 ABOUT_TITLE = _("About {}".format(C.APP_NAME)) |
| 43 ABOUT_CONTENT = _("""[b]Cagou (Salut à Toi)[/b] | |
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44 |
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45 [u]cagou version[/u]: |
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46 {version} |
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47 |
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48 [u]backend version[/u]: |
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49 {backend_version} |
| 51 | 50 |
| 51 Cagou is a libre communication tool based on libre standard XMPP. | |
| 52 | |
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53 Cagou is part of the "Salut à Toi" project (desktop/mobile frontend) |
| 51 | 54 more informations at [color=5500ff][ref=website]salut-a-toi.org[/ref][/color] |
| 246 | 55 """) |
| 51 | 56 |
| 57 | |
| 58 class AboutContent(Label): | |
| 59 | |
| 60 def on_ref_press(self, value): | |
| 61 if value == "website": | |
| 62 webbrowser.open("https://salut-a-toi.org") | |
| 63 | |
| 64 | |
| 65 class AboutPopup(Popup): | |
| 66 | |
| 67 def on_touch_down(self, touch): | |
| 68 if self.collide_point(*touch.pos): | |
| 69 self.dismiss() | |
| 70 return super(AboutPopup, self).on_touch_down(touch) | |
| 71 | |
| 72 | |
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73 class MainMenu(contextmenu.AppMenu): |
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74 pass |
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75 |
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76 |
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77 class MenuItem(contextmenu.ContextMenuTextItem): |
| 51 | 78 item = properties.ObjectProperty() |
| 79 | |
| 80 def on_item(self, instance, item): | |
| 81 self.text = item.name | |
| 82 | |
| 83 def on_release(self): | |
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84 super(MenuItem, self).on_release() |
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85 self.parent.hide() |
| 51 | 86 selected = G.host.selected_widget |
| 87 profile = None | |
| 88 if selected is not None: | |
| 89 try: | |
| 222 | 90 # FIXME: handle multi-profiles |
| 91 profile = next(iter(selected.profiles)) | |
| 51 | 92 except AttributeError: |
| 93 pass | |
| 94 | |
| 95 if profile is None: | |
| 96 try: | |
| 97 profile = list(selected.profiles)[0] | |
| 98 except (AttributeError, IndexError): | |
| 99 try: | |
| 100 profile = list(G.host.profiles)[0] | |
| 101 except IndexError: | |
| 312 | 102 log.warning("Can't find profile") |
| 51 | 103 self.item.call(selected, profile) |
| 104 | |
| 105 | |
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106 class MenuSeparator(contextmenu.ContextMenuDivider): |
| 51 | 107 pass |
| 108 | |
| 109 | |
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110 class RootMenuContainer(contextmenu.AppMenuTextItem): |
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111 pass |
| 51 | 112 |
| 113 | |
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114 class MenuContainer(contextmenu.ContextMenuTextItem): |
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115 pass |
| 51 | 116 |
| 117 | |
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118 class MenusWidget(BoxLayout): |
| 51 | 119 |
| 120 def update(self, type_, caller=None): | |
| 121 """Method to call when menus have changed | |
| 122 | |
| 123 @param type_(unicode): menu type like in sat.core.sat_main.importMenu | |
| 124 @param caller(Widget): instance linked to the menus | |
| 125 """ | |
| 126 self.menus_container = G.host.menus.getMainContainer(type_) | |
| 127 self.createMenus(caller) | |
| 128 | |
| 129 def _buildMenus(self, container, caller=None): | |
| 130 """Recursively build menus of the container | |
| 131 | |
| 132 @param container(quick_menus.MenuContainer): menu container | |
| 133 @param caller(Widget): instance linked to the menus | |
| 134 """ | |
| 135 if caller is None: | |
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136 main_menu = MainMenu() |
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137 self.add_widget(main_menu) |
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138 caller = main_menu |
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139 else: |
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140 context_menu = contextmenu.ContextMenu() |
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141 caller.add_widget(context_menu) |
| 222 | 142 # FIXME: next line is needed after parent is set to avoid |
| 143 # a display bug in contextmenu | |
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144 # TODO: fix this upstream |
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145 context_menu._on_visible(False) |
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146 |
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147 caller = context_menu |
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148 |
| 51 | 149 for child in container.getActiveMenus(): |
| 150 if isinstance(child, quick_menus.MenuContainer): | |
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151 if isinstance(caller, MainMenu): |
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152 menu_container = RootMenuContainer() |
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153 else: |
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154 menu_container = MenuContainer() |
| 51 | 155 menu_container.text = child.name |
| 156 caller.add_widget(menu_container) | |
| 157 self._buildMenus(child, caller=menu_container) | |
| 158 elif isinstance(child, quick_menus.MenuSeparator): | |
| 159 wid = MenuSeparator() | |
| 160 caller.add_widget(wid) | |
| 161 elif isinstance(child, quick_menus.MenuItem): | |
| 162 wid = MenuItem(item=child) | |
| 163 caller.add_widget(wid) | |
| 164 else: | |
| 312 | 165 log.error("Unknown child type: {}".format(child)) |
| 51 | 166 |
| 167 def createMenus(self, caller): | |
| 168 self.clear_widgets() | |
| 169 self._buildMenus(self.menus_container, caller) | |
| 170 | |
| 171 def onAbout(self): | |
| 172 about = AboutPopup() | |
| 173 about.title = ABOUT_TITLE | |
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174 about.content = AboutContent( |
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175 text=ABOUT_CONTENT.format( |
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176 backend_version = G.host.backend_version, |
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177 version=G.host.version), |
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178 markup=True) |
| 51 | 179 about.open() |
| 86 | 180 |
| 181 | |
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182 class TransferItem(BoxLayout): |
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183 plug_info = properties.DictProperty() |
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184 |
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185 def on_touch_up(self, touch): |
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186 if not self.collide_point(*touch.pos): |
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187 return super(TransferItem, self).on_touch_up(touch) |
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188 else: |
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189 transfer_menu = self.parent |
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190 while not isinstance(transfer_menu, TransferMenu): |
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191 transfer_menu = transfer_menu.parent |
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192 transfer_menu.do_callback(self.plug_info) |
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193 return True |
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194 |
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195 |
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196 class SideMenu(BoxLayout): |
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197 size_hint_close = (0, 1) |
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198 size_hint_open = (0.4, 1) |
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199 size_close = (100, 100) |
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200 size_open = (0, 0) |
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201 bg_color = properties.ListProperty([0, 0, 0, 1]) |
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202 # callback will be called with arguments relevant to menu |
| 86 | 203 callback = properties.ObjectProperty() |
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204 # call do_callback even when menu is cancelled |
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205 callback_on_close = properties.BooleanProperty(False) |
| 86 | 206 # cancel callback need to remove the widget for UI |
| 207 # will be called with the widget to remove as argument | |
| 208 cancel_cb = properties.ObjectProperty() | |
| 209 | |
| 210 def __init__(self, **kwargs): | |
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211 super(SideMenu, self).__init__(**kwargs) |
| 86 | 212 if self.cancel_cb is None: |
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213 self.cancel_cb = self.onMenuCancelled |
| 86 | 214 |
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215 def _set_anim_kw(self, kw, size_hint, size): |
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216 """Set animation keywords |
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217 |
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218 for each value of size_hint it is used if not None, |
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219 else size is used. |
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220 If one value of size is bigger than the respective one of Window |
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221 the one of Window is used |
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222 """ |
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223 size_hint_x, size_hint_y = size_hint |
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224 width, height = size |
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225 if size_hint_x is not None: |
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226 kw['size_hint_x'] = size_hint_x |
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227 elif width is not None: |
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228 kw['width'] = min(width, Window.width) |
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229 |
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230 if size_hint_y is not None: |
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231 kw['size_hint_y'] = size_hint_y |
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232 elif height is not None: |
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233 kw['height'] = min(height, Window.height) |
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234 |
| 86 | 235 def show(self, caller_wid=None): |
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236 Window.bind(on_keyboard=self.key_input) |
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237 G.host.app.root.add_widget(self) |
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238 kw = {'d': 0.3, 't': 'out_back'} |
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239 self._set_anim_kw(kw, self.size_hint_open, self.size_open) |
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240 Animation(**kw).start(self) |
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241 |
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242 def hide(self): |
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243 Window.unbind(on_keyboard=self.key_input) |
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244 kw = {'d': 0.2} |
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245 self._set_anim_kw(kw, self.size_hint_close, self.size_close) |
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246 anim = Animation(**kw) |
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247 anim.bind(on_complete=lambda anim, menu: self.parent.remove_widget(self)) |
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248 anim.start(self) |
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249 if self.callback_on_close: |
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250 self.do_callback() |
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251 |
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252 def on_touch_down(self, touch): |
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253 # we remove the menu if we click outside |
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254 # else we want to handle the event, but not |
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255 # transmit it to parents |
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256 if not self.collide_point(*touch.pos): |
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257 self.hide() |
| 86 | 258 else: |
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259 return super(SideMenu, self).on_touch_down(touch) |
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260 return True |
| 86 | 261 |
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262 def key_input(self, window, key, scancode, codepoint, modifier): |
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263 if key == 27: |
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264 self.hide() |
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265 return True |
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266 |
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267 def onMenuCancelled(self, wid, cleaning_cb=None): |
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268 self._closeUI(wid) |
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269 if cleaning_cb is not None: |
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270 cleaning_cb() |
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271 |
| 86 | 272 def _closeUI(self, wid): |
| 273 G.host.closeUI() | |
| 274 | |
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275 def do_callback(self, *args, **kwargs): |
| 312 | 276 log.warning("callback not implemented") |
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277 |
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278 |
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279 class TransferMenu(SideMenu): |
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280 """transfer menu which handle display and callbacks""" |
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281 # callback will be called with path to file to transfer |
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282 # profiles if set will be sent to transfer widget, may be used to get specific files |
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283 profiles = properties.ObjectProperty() |
| 312 | 284 transfer_txt = _("Beware! The file will be sent to your server and stay unencrypted " |
| 285 "there\nServer admin(s) can see the file, and they choose how, " | |
| 286 "when and if it will be deleted") | |
| 287 send_txt = _("The file will be sent unencrypted directly to your contact " | |
| 288 "(without transiting by the server), except in some cases") | |
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289 items_layout = properties.ObjectProperty() |
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290 size_hint_close = (1, 0) |
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291 size_hint_open = (1, 0.5) |
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292 |
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293 def __init__(self, **kwargs): |
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294 super(TransferMenu, self).__init__(**kwargs) |
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295 if self.profiles is None: |
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296 self.profiles = iter(G.host.profiles) |
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297 for plug_info in G.host.getPluggedWidgets(type_=C.PLUG_TYPE_TRANSFER): |
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298 item = TransferItem( |
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299 plug_info = plug_info |
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300 ) |
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301 self.items_layout.add_widget(item) |
| 86 | 302 |
| 303 def do_callback(self, plug_info): | |
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304 self.parent.remove_widget(self) |
| 86 | 305 if self.callback is None: |
| 312 | 306 log.warning("TransferMenu callback is not set") |
| 86 | 307 else: |
| 308 wid = None | |
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309 external = plug_info.get('external', False) |
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310 def onTransferCb(file_path, cleaning_cb=None): |
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311 if not external: |
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312 self._closeUI(wid) |
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313 self.callback( |
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314 file_path, |
| 222 | 315 transfer_type = (C.TRANSFER_UPLOAD |
|
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316 if self.ids['upload_btn'].state == "down" else C.TRANSFER_SEND), |
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317 cleaning_cb=cleaning_cb, |
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318 ) |
| 222 | 319 wid = plug_info['factory'](plug_info, |
| 320 onTransferCb, | |
| 321 self.cancel_cb, | |
| 322 self.profiles) | |
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323 if not external: |
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324 G.host.showExtraUI(wid) |
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325 |
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326 |
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327 class EntitiesSelectorMenu(SideMenu, FilterBehavior): |
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328 """allow to select entities from roster""" |
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329 profiles = properties.ObjectProperty() |
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330 layout = properties.ObjectProperty() |
| 312 | 331 instructions = properties.StringProperty(_("Please select entities")) |
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332 filter_input = properties.ObjectProperty() |
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333 size_hint_close = (None, 1) |
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334 size_hint_open = (None, 1) |
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335 size_open = (dp(250), 100) |
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336 size_close = (0, 100) |
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337 |
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338 def __init__(self, **kwargs): |
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339 super(EntitiesSelectorMenu, self).__init__(**kwargs) |
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340 self.filter_input.bind(text=self.do_filter_input) |
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341 if self.profiles is None: |
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342 self.profiles = iter(G.host.profiles) |
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343 for profile in self.profiles: |
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344 for jid_, jid_data in G.host.contact_lists[profile].all_iter: |
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345 jid_wid = JidToggle( |
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346 jid=jid_, |
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347 profile=profile) |
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348 self.layout.add_widget(jid_wid) |
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349 |
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350 def do_callback(self): |
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351 if self.callback is not None: |
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352 jids = [c.jid for c in self.layout.children if c.state == 'down'] |
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353 self.callback(jids) |
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354 |
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355 def do_filter_input(self, filter_input, text): |
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356 self.layout.spacing = 0 if text else dp(5) |
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357 self.do_filter(self.layout.children, |
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358 text, |
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359 lambda c: c.jid, |
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360 width_cb=lambda c: c.width, |
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361 height_cb=lambda c: dp(70)) |
| 222 | 362 |
| 363 | |
| 364 class TouchMenu(modernmenu.ModernMenu): | |
| 365 pass | |
| 366 | |
| 367 | |
| 368 class TouchMenuItemBehaviour(object): | |
| 369 """Class to use on every item where a menu may appear | |
| 370 | |
| 371 main_wid attribute must be set to the class inheriting from TouchMenuBehaviour | |
| 372 do_item_action is the method called on simple click | |
| 373 getMenuChoices must return a list of menus for long press | |
| 374 menus there are dict as expected by ModernMenu | |
| 375 (translated text, index and callback) | |
| 376 """ | |
| 377 main_wid = properties.ObjectProperty() | |
| 378 click_timeout = properties.NumericProperty(0.4) | |
| 379 | |
| 380 def on_touch_down(self, touch): | |
| 381 if not self.collide_point(*touch.pos): | |
| 382 return | |
| 383 t = partial(self.open_menu, touch) | |
| 384 touch.ud['menu_timeout'] = t | |
| 385 Clock.schedule_once(t, self.click_timeout) | |
| 386 return super(TouchMenuItemBehaviour, self).on_touch_down(touch) | |
| 387 | |
| 388 def do_item_action(self, touch): | |
| 389 pass | |
| 390 | |
| 391 def on_touch_up(self, touch): | |
| 392 if touch.ud.get('menu_timeout'): | |
| 393 Clock.unschedule(touch.ud['menu_timeout']) | |
| 394 if self.collide_point(*touch.pos) and self.main_wid.menu is None: | |
| 395 self.do_item_action(touch) | |
| 396 return super(TouchMenuItemBehaviour, self).on_touch_up(touch) | |
| 397 | |
| 398 def open_menu(self, touch, dt): | |
| 399 self.main_wid.open_menu(self, touch) | |
| 400 del touch.ud['menu_timeout'] | |
| 401 | |
| 402 def getMenuChoices(self): | |
| 403 """return choice adapted to selected item | |
| 404 | |
| 405 @return (list[dict]): choices ad expected by ModernMenu | |
| 406 """ | |
| 407 return [] | |
| 408 | |
| 409 | |
| 410 class TouchMenuBehaviour(object): | |
| 411 """Class to handle a menu appearing on long press on items | |
| 412 | |
| 413 classes using this behaviour need to have a float_layout property | |
| 414 pointing the main FloatLayout. | |
| 415 """ | |
| 416 float_layout = properties.ObjectProperty() | |
| 417 | |
| 418 def __init__(self, *args, **kwargs): | |
| 419 super(TouchMenuBehaviour, self).__init__(*args, **kwargs) | |
| 420 self.menu = None | |
| 421 self.menu_item = None | |
| 422 | |
| 423 ## menu methods ## | |
| 424 | |
| 425 def clean_fl_children(self, layout, children): | |
| 426 """insure that self.menu and self.menu_item are None when menu is dimissed""" | |
| 427 if self.menu is not None and self.menu not in children: | |
| 428 self.menu = self.menu_item = None | |
| 429 | |
| 430 def clear_menu(self): | |
| 431 """remove menu if there is one""" | |
| 432 if self.menu is not None: | |
| 433 self.menu.dismiss() | |
| 434 self.menu = None | |
| 435 self.menu_item = None | |
| 436 | |
| 437 def open_menu(self, item, touch): | |
| 438 """open menu for item | |
| 439 | |
| 440 @param item(PathWidget): item when the menu has been requested | |
| 441 @param touch(kivy.input.MotionEvent): touch data | |
| 442 """ | |
| 443 if self.menu_item == item: | |
| 444 return | |
| 445 self.clear_menu() | |
| 446 pos = self.to_widget(*touch.pos) | |
| 447 choices = item.getMenuChoices() | |
| 448 if not choices: | |
| 449 return | |
| 450 self.menu = TouchMenu(choices=choices, | |
| 451 center=pos, | |
| 452 size_hint=(None, None)) | |
| 453 self.float_layout.add_widget(self.menu) | |
| 454 self.menu.start_display(touch) | |
| 455 self.menu_item = item | |
| 456 | |
| 457 def on_float_layout(self, wid, float_layout): | |
| 458 float_layout.bind(children=self.clean_fl_children) |