Mercurial > libervia-desktop-kivy
annotate cagou/core/menu.py @ 260:145c29b5f2b5
core: improved getOrClone + use in chat and widgets_handler:
- getOrClone is now trying to re-use others instances of a widget if they have no parent, and will create a new widget only if nothing is found
- it is now used in widgets_handler's changeWidget
- it is now used in Chat factory, on existing widget
- new host method deleteUnusedWidgetInstances remove instances without parent. It is used by getOrClone.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 11 Mar 2019 08:39:43 +0100 |
| parents | 15e47bbb192c |
| children | 1b835bcfa663 |
| rev | line source |
|---|---|
| 51 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 126 | 5 # Copyright (C) 2016-2018 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 log = logging.getLogger(__name__) | |
| 24 from cagou.core.constants import Const as C | |
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25 from cagou.core.common import JidToggle |
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26 from kivy.uix.boxlayout import BoxLayout |
| 51 | 27 from kivy.uix.label import Label |
| 28 from kivy.uix.popup import Popup | |
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29 from cagou.core.utils import FilterBehavior |
| 51 | 30 from kivy import properties |
| 222 | 31 from kivy.garden import contextmenu, modernmenu |
| 51 | 32 from sat_frontends.quick_frontend import quick_menus |
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33 from kivy.core.window import Window |
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34 from kivy.animation import Animation |
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35 from kivy.metrics import dp |
| 222 | 36 from kivy.clock import Clock |
| 51 | 37 from cagou import G |
| 222 | 38 from functools import partial |
| 51 | 39 import webbrowser |
| 40 | |
| 41 ABOUT_TITLE = _(u"About {}".format(C.APP_NAME)) | |
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42 ABOUT_CONTENT = _(u"""Cagou (Salut à Toi) v{version} |
| 51 | 43 |
| 44 Cagou is a libre communication tool based on libre standard XMPP. | |
| 45 | |
| 46 Cagou is part of the "Salut à Toi" project | |
| 47 more informations at [color=5500ff][ref=website]salut-a-toi.org[/ref][/color] | |
| 246 | 48 """) |
| 51 | 49 |
| 50 | |
| 51 class AboutContent(Label): | |
| 52 | |
| 53 def on_ref_press(self, value): | |
| 54 if value == "website": | |
| 55 webbrowser.open("https://salut-a-toi.org") | |
| 56 | |
| 57 | |
| 58 class AboutPopup(Popup): | |
| 59 | |
| 60 def on_touch_down(self, touch): | |
| 61 if self.collide_point(*touch.pos): | |
| 62 self.dismiss() | |
| 63 return super(AboutPopup, self).on_touch_down(touch) | |
| 64 | |
| 65 | |
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66 class MainMenu(contextmenu.AppMenu): |
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67 pass |
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68 |
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69 |
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70 class MenuItem(contextmenu.ContextMenuTextItem): |
| 51 | 71 item = properties.ObjectProperty() |
| 72 | |
| 73 def on_item(self, instance, item): | |
| 74 self.text = item.name | |
| 75 | |
| 76 def on_release(self): | |
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77 super(MenuItem, self).on_release() |
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78 self.parent.hide() |
| 51 | 79 selected = G.host.selected_widget |
| 80 profile = None | |
| 81 if selected is not None: | |
| 82 try: | |
| 222 | 83 # FIXME: handle multi-profiles |
| 84 profile = next(iter(selected.profiles)) | |
| 51 | 85 except AttributeError: |
| 86 pass | |
| 87 | |
| 88 if profile is None: | |
| 89 try: | |
| 90 profile = list(selected.profiles)[0] | |
| 91 except (AttributeError, IndexError): | |
| 92 try: | |
| 93 profile = list(G.host.profiles)[0] | |
| 94 except IndexError: | |
| 95 log.warning(u"Can't find profile") | |
| 96 self.item.call(selected, profile) | |
| 97 | |
| 98 | |
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99 class MenuSeparator(contextmenu.ContextMenuDivider): |
| 51 | 100 pass |
| 101 | |
| 102 | |
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103 class RootMenuContainer(contextmenu.AppMenuTextItem): |
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104 pass |
| 51 | 105 |
| 106 | |
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107 class MenuContainer(contextmenu.ContextMenuTextItem): |
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108 pass |
| 51 | 109 |
| 110 | |
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111 class MenusWidget(BoxLayout): |
| 51 | 112 |
| 113 def update(self, type_, caller=None): | |
| 114 """Method to call when menus have changed | |
| 115 | |
| 116 @param type_(unicode): menu type like in sat.core.sat_main.importMenu | |
| 117 @param caller(Widget): instance linked to the menus | |
| 118 """ | |
| 119 self.menus_container = G.host.menus.getMainContainer(type_) | |
| 120 self.createMenus(caller) | |
| 121 | |
| 122 def _buildMenus(self, container, caller=None): | |
| 123 """Recursively build menus of the container | |
| 124 | |
| 125 @param container(quick_menus.MenuContainer): menu container | |
| 126 @param caller(Widget): instance linked to the menus | |
| 127 """ | |
| 128 if caller is None: | |
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129 main_menu = MainMenu() |
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130 self.add_widget(main_menu) |
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131 caller = main_menu |
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132 else: |
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133 context_menu = contextmenu.ContextMenu() |
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134 caller.add_widget(context_menu) |
| 222 | 135 # FIXME: next line is needed after parent is set to avoid |
| 136 # a display bug in contextmenu | |
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137 # TODO: fix this upstream |
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138 context_menu._on_visible(False) |
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139 |
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140 caller = context_menu |
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141 |
| 51 | 142 for child in container.getActiveMenus(): |
| 143 if isinstance(child, quick_menus.MenuContainer): | |
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144 if isinstance(caller, MainMenu): |
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145 menu_container = RootMenuContainer() |
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146 else: |
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147 menu_container = MenuContainer() |
| 51 | 148 menu_container.text = child.name |
| 149 caller.add_widget(menu_container) | |
| 150 self._buildMenus(child, caller=menu_container) | |
| 151 elif isinstance(child, quick_menus.MenuSeparator): | |
| 152 wid = MenuSeparator() | |
| 153 caller.add_widget(wid) | |
| 154 elif isinstance(child, quick_menus.MenuItem): | |
| 155 wid = MenuItem(item=child) | |
| 156 caller.add_widget(wid) | |
| 157 else: | |
| 158 log.error(u"Unknown child type: {}".format(child)) | |
| 159 | |
| 160 def createMenus(self, caller): | |
| 161 self.clear_widgets() | |
| 162 self._buildMenus(self.menus_container, caller) | |
| 163 | |
| 164 def onAbout(self): | |
| 165 about = AboutPopup() | |
| 166 about.title = ABOUT_TITLE | |
| 246 | 167 about.content = AboutContent(text=ABOUT_CONTENT.format(version=G.host.version), |
| 168 markup=True) | |
| 51 | 169 about.open() |
| 86 | 170 |
| 171 | |
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172 class TransferItem(BoxLayout): |
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173 plug_info = properties.DictProperty() |
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174 |
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175 def on_touch_up(self, touch): |
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176 if not self.collide_point(*touch.pos): |
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177 return super(TransferItem, self).on_touch_up(touch) |
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178 else: |
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179 transfer_menu = self.parent |
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180 while not isinstance(transfer_menu, TransferMenu): |
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181 transfer_menu = transfer_menu.parent |
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182 transfer_menu.do_callback(self.plug_info) |
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183 return True |
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184 |
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185 |
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186 class SideMenu(BoxLayout): |
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187 size_hint_close = (0, 1) |
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188 size_hint_open = (0.4, 1) |
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189 size_close = (100, 100) |
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190 size_open = (0, 0) |
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191 bg_color = properties.ListProperty([0, 0, 0, 1]) |
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192 # callback will be called with arguments relevant to menu |
| 86 | 193 callback = properties.ObjectProperty() |
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194 # call do_callback even when menu is cancelled |
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195 callback_on_close = properties.BooleanProperty(False) |
| 86 | 196 # cancel callback need to remove the widget for UI |
| 197 # will be called with the widget to remove as argument | |
| 198 cancel_cb = properties.ObjectProperty() | |
| 199 | |
| 200 def __init__(self, **kwargs): | |
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201 super(SideMenu, self).__init__(**kwargs) |
| 86 | 202 if self.cancel_cb is None: |
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203 self.cancel_cb = self.onMenuCancelled |
| 86 | 204 |
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205 def _set_anim_kw(self, kw, size_hint, size): |
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206 """Set animation keywords |
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207 |
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208 for each value of size_hint it is used if not None, |
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209 else size is used. |
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210 If one value of size is bigger than the respective one of Window |
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211 the one of Window is used |
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212 """ |
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213 size_hint_x, size_hint_y = size_hint |
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214 width, height = size |
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215 if size_hint_x is not None: |
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216 kw['size_hint_x'] = size_hint_x |
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217 elif width is not None: |
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218 kw['width'] = min(width, Window.width) |
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219 |
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220 if size_hint_y is not None: |
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221 kw['size_hint_y'] = size_hint_y |
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222 elif height is not None: |
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223 kw['height'] = min(height, Window.height) |
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224 |
| 86 | 225 def show(self, caller_wid=None): |
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226 Window.bind(on_keyboard=self.key_input) |
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227 G.host.app.root.add_widget(self) |
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228 kw = {'d': 0.3, 't': 'out_back'} |
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229 self._set_anim_kw(kw, self.size_hint_open, self.size_open) |
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230 Animation(**kw).start(self) |
|
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231 |
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232 def hide(self): |
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233 Window.unbind(on_keyboard=self.key_input) |
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234 kw = {'d': 0.2} |
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235 self._set_anim_kw(kw, self.size_hint_close, self.size_close) |
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236 anim = Animation(**kw) |
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237 anim.bind(on_complete=lambda anim, menu: self.parent.remove_widget(self)) |
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238 anim.start(self) |
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239 if self.callback_on_close: |
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240 self.do_callback() |
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241 |
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242 def on_touch_down(self, touch): |
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243 # we remove the menu if we click outside |
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244 # else we want to handle the event, but not |
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245 # transmit it to parents |
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246 if not self.collide_point(*touch.pos): |
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247 self.hide() |
| 86 | 248 else: |
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249 return super(SideMenu, self).on_touch_down(touch) |
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250 return True |
| 86 | 251 |
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252 def key_input(self, window, key, scancode, codepoint, modifier): |
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253 if key == 27: |
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254 self.hide() |
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255 return True |
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256 |
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257 def onMenuCancelled(self, wid, cleaning_cb=None): |
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258 self._closeUI(wid) |
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259 if cleaning_cb is not None: |
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260 cleaning_cb() |
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261 |
| 86 | 262 def _closeUI(self, wid): |
| 263 G.host.closeUI() | |
| 264 | |
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265 def do_callback(self, *args, **kwargs): |
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266 log.warning(u"callback not implemented") |
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267 |
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268 |
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269 class TransferMenu(SideMenu): |
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270 """transfer menu which handle display and callbacks""" |
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271 # callback will be called with path to file to transfer |
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272 # profiles if set will be sent to transfer widget, may be used to get specific files |
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273 profiles = properties.ObjectProperty() |
| 222 | 274 transfer_txt = _(u"Beware! The file will be sent to your server and stay unencrypted " |
| 275 u"there\nServer admin(s) can see the file, and they choose how, " | |
| 276 u"when and if it will be deleted") | |
| 277 send_txt = _(u"The file will be sent unencrypted directly to your contact " | |
| 278 u"(without transiting by the server), except in some cases") | |
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279 items_layout = properties.ObjectProperty() |
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280 size_hint_close = (1, 0) |
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281 size_hint_open = (1, 0.5) |
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282 |
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283 def __init__(self, **kwargs): |
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284 super(TransferMenu, self).__init__(**kwargs) |
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285 if self.profiles is None: |
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286 self.profiles = iter(G.host.profiles) |
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287 for plug_info in G.host.getPluggedWidgets(type_=C.PLUG_TYPE_TRANSFER): |
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288 item = TransferItem( |
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289 plug_info = plug_info |
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290 ) |
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291 self.items_layout.add_widget(item) |
| 86 | 292 |
| 293 def do_callback(self, plug_info): | |
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294 self.parent.remove_widget(self) |
| 86 | 295 if self.callback is None: |
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296 log.warning(u"TransferMenu callback is not set") |
| 86 | 297 else: |
| 298 wid = None | |
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299 external = plug_info.get('external', False) |
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300 def onTransferCb(file_path, cleaning_cb=None): |
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301 if not external: |
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302 self._closeUI(wid) |
|
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303 self.callback( |
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304 file_path, |
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305 cleaning_cb, |
| 222 | 306 transfer_type = (C.TRANSFER_UPLOAD |
| 307 if self.ids['upload_btn'].state == "down" else C.TRANSFER_SEND)) | |
| 308 wid = plug_info['factory'](plug_info, | |
| 309 onTransferCb, | |
| 310 self.cancel_cb, | |
| 311 self.profiles) | |
|
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312 if not external: |
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313 G.host.showExtraUI(wid) |
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314 |
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315 |
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316 class EntitiesSelectorMenu(SideMenu, FilterBehavior): |
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317 """allow to select entities from roster""" |
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318 profiles = properties.ObjectProperty() |
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319 layout = properties.ObjectProperty() |
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320 instructions = properties.StringProperty(_(u"Please select entities")) |
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321 filter_input = properties.ObjectProperty() |
|
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322 size_hint_close = (None, 1) |
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323 size_hint_open = (None, 1) |
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324 size_open = (dp(250), 100) |
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325 size_close = (0, 100) |
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326 |
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327 def __init__(self, **kwargs): |
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328 super(EntitiesSelectorMenu, self).__init__(**kwargs) |
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329 self.filter_input.bind(text=self.do_filter_input) |
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330 if self.profiles is None: |
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331 self.profiles = iter(G.host.profiles) |
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332 for profile in self.profiles: |
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333 for jid_, jid_data in G.host.contact_lists[profile].all_iter: |
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334 jid_wid = JidToggle( |
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335 jid=jid_, |
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336 profile=profile) |
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337 self.layout.add_widget(jid_wid) |
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338 |
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339 def do_callback(self): |
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340 if self.callback is not None: |
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341 jids = [c.jid for c in self.layout.children if c.state == 'down'] |
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342 self.callback(jids) |
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343 |
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344 def do_filter_input(self, filter_input, text): |
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345 self.layout.spacing = 0 if text else dp(5) |
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346 self.do_filter(self.layout.children, |
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347 text, |
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348 lambda c: c.jid, |
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349 width_cb=lambda c: c.width, |
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350 height_cb=lambda c: dp(70)) |
| 222 | 351 |
| 352 | |
| 353 class TouchMenu(modernmenu.ModernMenu): | |
| 354 pass | |
| 355 | |
| 356 | |
| 357 class TouchMenuItemBehaviour(object): | |
| 358 """Class to use on every item where a menu may appear | |
| 359 | |
| 360 main_wid attribute must be set to the class inheriting from TouchMenuBehaviour | |
| 361 do_item_action is the method called on simple click | |
| 362 getMenuChoices must return a list of menus for long press | |
| 363 menus there are dict as expected by ModernMenu | |
| 364 (translated text, index and callback) | |
| 365 """ | |
| 366 main_wid = properties.ObjectProperty() | |
| 367 click_timeout = properties.NumericProperty(0.4) | |
| 368 | |
| 369 def on_touch_down(self, touch): | |
| 370 if not self.collide_point(*touch.pos): | |
| 371 return | |
| 372 t = partial(self.open_menu, touch) | |
| 373 touch.ud['menu_timeout'] = t | |
| 374 Clock.schedule_once(t, self.click_timeout) | |
| 375 return super(TouchMenuItemBehaviour, self).on_touch_down(touch) | |
| 376 | |
| 377 def do_item_action(self, touch): | |
| 378 pass | |
| 379 | |
| 380 def on_touch_up(self, touch): | |
| 381 if touch.ud.get('menu_timeout'): | |
| 382 Clock.unschedule(touch.ud['menu_timeout']) | |
| 383 if self.collide_point(*touch.pos) and self.main_wid.menu is None: | |
| 384 self.do_item_action(touch) | |
| 385 return super(TouchMenuItemBehaviour, self).on_touch_up(touch) | |
| 386 | |
| 387 def open_menu(self, touch, dt): | |
| 388 self.main_wid.open_menu(self, touch) | |
| 389 del touch.ud['menu_timeout'] | |
| 390 | |
| 391 def getMenuChoices(self): | |
| 392 """return choice adapted to selected item | |
| 393 | |
| 394 @return (list[dict]): choices ad expected by ModernMenu | |
| 395 """ | |
| 396 return [] | |
| 397 | |
| 398 | |
| 399 class TouchMenuBehaviour(object): | |
| 400 """Class to handle a menu appearing on long press on items | |
| 401 | |
| 402 classes using this behaviour need to have a float_layout property | |
| 403 pointing the main FloatLayout. | |
| 404 """ | |
| 405 float_layout = properties.ObjectProperty() | |
| 406 | |
| 407 def __init__(self, *args, **kwargs): | |
| 408 super(TouchMenuBehaviour, self).__init__(*args, **kwargs) | |
| 409 self.menu = None | |
| 410 self.menu_item = None | |
| 411 | |
| 412 ## menu methods ## | |
| 413 | |
| 414 def clean_fl_children(self, layout, children): | |
| 415 """insure that self.menu and self.menu_item are None when menu is dimissed""" | |
| 416 if self.menu is not None and self.menu not in children: | |
| 417 self.menu = self.menu_item = None | |
| 418 | |
| 419 def clear_menu(self): | |
| 420 """remove menu if there is one""" | |
| 421 if self.menu is not None: | |
| 422 self.menu.dismiss() | |
| 423 self.menu = None | |
| 424 self.menu_item = None | |
| 425 | |
| 426 def open_menu(self, item, touch): | |
| 427 """open menu for item | |
| 428 | |
| 429 @param item(PathWidget): item when the menu has been requested | |
| 430 @param touch(kivy.input.MotionEvent): touch data | |
| 431 """ | |
| 432 if self.menu_item == item: | |
| 433 return | |
| 434 self.clear_menu() | |
| 435 pos = self.to_widget(*touch.pos) | |
| 436 choices = item.getMenuChoices() | |
| 437 if not choices: | |
| 438 return | |
| 439 self.menu = TouchMenu(choices=choices, | |
| 440 center=pos, | |
| 441 size_hint=(None, None)) | |
| 442 self.float_layout.add_widget(self.menu) | |
| 443 self.menu.start_display(touch) | |
| 444 self.menu_item = item | |
| 445 | |
| 446 def on_float_layout(self, wid, float_layout): | |
| 447 float_layout.bind(children=self.clean_fl_children) |