Mercurial > libervia-desktop-kivy

annotate cagou/core/common_widgets.py @ 488:beedff600d2b

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blog: blog widget implementation: this patch implements a basic blog widget. The search bare can be used to change node (only node for now, will be improved to do search and all). Publication on current node can be done by pressing the pencil icon. A checkbox can be activated to use end-to-end encryption. No pagination or comments are supported for now. Due to lack of HTML rendering in Kivy, only simple formatting is supported. If item is end-2-end encrypted, a green closed locker is shown next to publication date. rel 380
author Goffi <goffi@goffi.org>
date Sat, 15 Oct 2022 20:20:10 +0200
parents 3c9ba4a694ef
children 203755bbe0fe
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379
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1 #!/usr/bin/env python3
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2
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3 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client
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4 # Copyright (C) 2016-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 """common advanced widgets, which can be reused everywhere."""
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20
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21 from kivy.clock import Clock
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22 from kivy import properties
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23 from kivy.metrics import dp
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24 from kivy.uix.scatterlayout import ScatterLayout
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25 from kivy.uix.boxlayout import BoxLayout
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26 from kivy.uix.label import Label
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27 from sat.core.i18n import _
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28 from sat.core import log as logging
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29 from cagou import G
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30 from .behaviors import TouchMenuItemBehavior
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31
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32 log = logging.getLogger(__name__)
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33
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34
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35 class DelayedBoxLayout(BoxLayout):
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36 """A BoxLayout with delayed layout, to avoid slowing down during resize"""
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37 # XXX: thanks to Alexander Taylor for his blog post at
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38 # https://blog.kivy.org/2019/07/a-delayed-resize-layout-in-kivy/
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39
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40 do_layout_event = properties.ObjectProperty(None, allownone=True)
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41 layout_delay_s = properties.NumericProperty(0.2)
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42 #: set this to X to force next X layouts to be done without delay
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43 dont_delay_next_layouts = properties.NumericProperty(0)
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44
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45 def do_layout(self, *args, **kwargs):
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46 if self.do_layout_event is not None:
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47 self.do_layout_event.cancel()
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48 if self.dont_delay_next_layouts>0:
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49 self.dont_delay_next_layouts-=1
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50 super().do_layout()
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51 else:
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52 real_do_layout = super().do_layout
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53 self.do_layout_event = Clock.schedule_once(
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54 lambda dt: real_do_layout(*args, **kwargs),
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55 self.layout_delay_s)
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57
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58 class Identities(object):
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59
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60 def __init__(self, entity_ids):
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61 identities = {}
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62 for cat, type_, name in entity_ids:
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63 identities.setdefault(cat, {}).setdefault(type_, []).append(name)
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64 client = identities.get('client', {})
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65 if 'pc' in client:
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66 self.type = 'desktop'
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67 elif 'phone' in client:
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68 self.type = 'phone'
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69 elif 'web' in client:
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70 self.type = 'web'
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71 elif 'console' in client:
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72 self.type = 'console'
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73 else:
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74 self.type = 'desktop'
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75
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76 self.identities = identities
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77
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78 @property
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79 def name(self):
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80 first_identity = next(iter(self.identities.values()))
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81 names = next(iter(first_identity.values()))
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82 return names[0]
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83
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84
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85 class ItemWidget(TouchMenuItemBehavior, BoxLayout):
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86 name = properties.StringProperty()
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87 base_width = properties.NumericProperty(dp(100))
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88
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89
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90 class DeviceWidget(ItemWidget):
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91
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92 def __init__(self, main_wid, entity_jid, identities, **kw):
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93 self.entity_jid = entity_jid
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94 self.identities = identities
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95 own_jid = next(iter(G.host.profiles.values())).whoami
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96 self.own_device = entity_jid.bare == own_jid.bare
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97 if self.own_device:
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98 name = self.identities.name
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99 elif self.entity_jid.node:
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100 name = self.entity_jid.node
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101 elif self.entity_jid == own_jid.domain:
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102 name = _("your server")
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103 else:
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104 name = entity_jid
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105
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106 super(DeviceWidget, self).__init__(name=name, main_wid=main_wid, **kw)
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107
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108 @property
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109 def profile(self):
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110 return self.main_wid.profile
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111
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112 def getSymbol(self):
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113 if self.identities.type == 'desktop':
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114 return 'desktop'
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115 elif self.identities.type == 'phone':
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116 return 'mobile'
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117 elif self.identities.type == 'web':
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118 return 'globe'
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119 elif self.identities.type == 'console':
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120 return 'terminal'
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121 else:
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122 return 'desktop'
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123
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124 def do_item_action(self, touch):
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125 pass
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126
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127
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128 class CategorySeparator(Label):
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129 pass
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130
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131
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132 class ImageViewer(ScatterLayout):
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133 source = properties.StringProperty()
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134
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135 def on_touch_down(self, touch):
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136 if touch.is_double_tap:
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137 self.reset()
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138 return True
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139 return super().on_touch_down(touch)
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140
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141 def reset(self):
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142 self.rotation = 0
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143 self.scale = 1
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144 self.x = 0
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145 self.y = 0
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146
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147
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148 class ImagesGallery(BoxLayout):
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149 """Show list of images in a Carousel, with some controls to downloads"""
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150 sources = properties.ListProperty()
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151 carousel = properties.ObjectProperty()
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152 previous_slide = None
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153
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154 def on_kv_post(self, __):
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155 self.on_sources(None, self.sources)
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156 self.previous_slide = self.carousel.current_slide
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157 self.carousel.bind(current_slide=self.on_slide_change)
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158
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159 def on_parent(self, __, parent):
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160 # we hide the head widget to have full screen
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161 G.host.app.showHeadWidget(not bool(parent), animation=False)
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162
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163 def on_sources(self, __, sources):
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164 if not sources or not self.carousel:
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165 return
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166 self.carousel.clear_widgets()
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167 for source in sources:
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168 img = ImageViewer(
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169 source=source,
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170 )
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171 self.carousel.add_widget(img)
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172
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173 def on_slide_change(self, __, slide):
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174 if isinstance(self.previous_slide, ImageViewer):
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175 self.previous_slide.reset()
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176
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177 self.previous_slide = slide
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178
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179 def key_input(self, window, key, scancode, codepoint, modifier):
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180 if key == 27:
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181 G.host.closeUI()
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182 return True