Mercurial > libervia-backend
annotate libervia/backend/tools/common/template_xmlui.py @ 4151:18026ce0819c
core (xmpp): message reception workflow refactoring:
- Call methods from a root async one instead of using Deferred callbacks chain.
- Use a queue to be sure to process messages in order.
author | Goffi <goffi@goffi.org> |
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date | Wed, 22 Nov 2023 14:50:35 +0100 |
parents | 26b7ed2817da |
children | 0d7bb4df2343 |
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3028 | 1 #!/usr/bin/env python3 |
3137 | 2 |
2362 | 3 |
4 # SAT: a jabber client | |
3479 | 5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
2362 | 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 """ template XMLUI parsing | |
21 | |
22 XMLUI classes from this modules can then be iterated to create the template | |
23 """ | |
24 | |
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25 from functools import partial |
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26 from libervia.backend.core.log import getLogger |
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27 from libervia.frontends.tools import xmlui |
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28 from libervia.frontends.tools import jid |
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29 try: |
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30 from jinja2 import Markup as safe |
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31 except ImportError: |
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32 # Safe marks XHTML values as usable as it. |
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33 # If jinja2 is not there, we can use a simple lamba |
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34 safe = lambda x: x |
2362 | 35 |
36 | |
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37 log = getLogger(__name__) |
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38 |
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39 |
2362 | 40 ## Widgets ## |
41 | |
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42 |
2362 | 43 class Widget(object): |
3028 | 44 category = "widget" |
2362 | 45 type = None |
46 enabled = True | |
47 read_only = True | |
48 | |
49 def __init__(self, xmlui_parent): | |
50 self.xmlui_parent = xmlui_parent | |
51 | |
52 @property | |
53 def name(self): | |
54 return self._xmlui_name | |
55 | |
56 | |
57 class ValueWidget(Widget): | |
58 def __init__(self, xmlui_parent, value): | |
59 super(ValueWidget, self).__init__(xmlui_parent) | |
60 self.value = value | |
61 | |
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62 @property |
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63 def values(self): |
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64 return [self.value] |
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65 |
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66 @property |
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67 def labels(self): |
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68 # helper property, there is not label for ValueWidget |
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69 # but using labels make rendering more easy (one single method to call) |
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70 # values are actually returned |
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71 return [self.value] |
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72 |
2362 | 73 |
74 class InputWidget(ValueWidget): | |
75 def __init__(self, xmlui_parent, value, read_only=False): | |
76 super(InputWidget, self).__init__(xmlui_parent, value) | |
77 self.read_only = read_only | |
78 | |
79 | |
80 class OptionsWidget(Widget): | |
81 def __init__(self, xmlui_parent, options, selected, style): | |
82 super(OptionsWidget, self).__init__(xmlui_parent) | |
83 self.options = options | |
84 self.selected = selected | |
85 self.style = style | |
86 | |
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87 @property |
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88 def values(self): |
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89 for value, label in self.items: |
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90 yield value |
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91 |
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92 @property |
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93 def value(self): |
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94 if self.multi or self.no_select or len(self.selected) != 1: |
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95 raise ValueError( |
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96 "Can't get value for list with multiple selections or nothing selected" |
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97 ) |
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98 return self.selected[0] |
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99 |
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100 @property |
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101 def labels(self): |
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102 """return only labels from self.items""" |
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103 for value, label in self.items: |
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104 yield label |
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105 |
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106 @property |
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107 def items(self): |
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108 """return suitable items, according to style""" |
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109 no_select = self.no_select |
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110 for value, label in self.options: |
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111 if no_select or value in self.selected: |
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112 yield value, label |
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113 |
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114 @property |
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115 def inline(self): |
3028 | 116 return "inline" in self.style |
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117 |
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118 @property |
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119 def no_select(self): |
3028 | 120 return "noselect" in self.style |
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121 |
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122 @property |
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123 def multi(self): |
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124 return "multi" in self.style |
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125 |
2362 | 126 |
127 class EmptyWidget(xmlui.EmptyWidget, Widget): | |
128 def __init__(self, _xmlui_parent): | |
129 Widget.__init__(self) | |
130 | |
131 | |
132 class TextWidget(xmlui.TextWidget, ValueWidget): | |
3028 | 133 type = "text" |
2362 | 134 |
135 | |
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136 class JidWidget(xmlui.JidWidget, ValueWidget): |
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137 type = "jid" |
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138 |
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139 def __init__(self, xmlui_parent, value): |
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140 self.value = jid.JID(value) |
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141 |
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142 |
2362 | 143 class LabelWidget(xmlui.LabelWidget, ValueWidget): |
3028 | 144 type = "label" |
2362 | 145 |
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146 @property |
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147 def for_name(self): |
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148 try: |
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149 return self._xmlui_for_name |
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150 except AttributeError: |
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151 return None |
2362 | 152 |
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153 |
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154 class StringWidget(xmlui.StringWidget, InputWidget): |
3028 | 155 type = "string" |
2362 | 156 |
157 | |
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158 class JidInputWidget(xmlui.JidInputWidget, StringWidget): |
3028 | 159 type = "jid" |
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160 |
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161 class TextBoxWidget(xmlui.TextWidget, InputWidget): |
3028 | 162 type = "textbox" |
2362 | 163 |
164 | |
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165 class XHTMLBoxWidget(xmlui.XHTMLBoxWidget, InputWidget): |
3028 | 166 type = "xhtmlbox" |
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167 |
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168 def __init__(self, xmlui_parent, value, read_only=False): |
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169 # XXX: XHTMLBoxWidget value must be cleaned (harmful XHTML must be removed) |
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170 # This is normally done in the backend, the frontends should not need to |
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171 # worry about it. |
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172 super(XHTMLBoxWidget, self).__init__( |
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173 xmlui_parent=xmlui_parent, value=safe(value), read_only=read_only) |
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174 |
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175 |
2362 | 176 class ListWidget(xmlui.ListWidget, OptionsWidget): |
3028 | 177 type = "list" |
2362 | 178 |
179 | |
180 ## Containers ## | |
181 | |
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182 |
2362 | 183 class Container(object): |
3028 | 184 category = "container" |
2362 | 185 type = None |
186 | |
187 def __init__(self, xmlui_parent): | |
188 self.xmlui_parent = xmlui_parent | |
189 self.children = [] | |
190 | |
191 def __iter__(self): | |
192 return iter(self.children) | |
193 | |
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194 def _xmlui_append(self, widget): |
2362 | 195 self.children.append(widget) |
196 | |
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197 def _xmlui_remove(self, widget): |
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198 self.children.remove(widget) |
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199 |
2362 | 200 |
201 class VerticalContainer(xmlui.VerticalContainer, Container): | |
3028 | 202 type = "vertical" |
2362 | 203 |
204 | |
205 class PairsContainer(xmlui.PairsContainer, Container): | |
3028 | 206 type = "pairs" |
2362 | 207 |
208 | |
209 class LabelContainer(xmlui.PairsContainer, Container): | |
3028 | 210 type = "label" |
2362 | 211 |
212 | |
213 ## Factory ## | |
214 | |
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215 |
2362 | 216 class WidgetFactory(object): |
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217 |
2362 | 218 def __getattr__(self, attr): |
219 if attr.startswith("create"): | |
220 cls = globals()[attr[6:]] | |
221 return cls | |
222 | |
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223 |
2362 | 224 ## Core ## |
225 | |
226 | |
227 class XMLUIPanel(xmlui.XMLUIPanel): | |
228 widget_factory = WidgetFactory() | |
229 | |
230 def show(self, *args, **kwargs): | |
231 raise NotImplementedError | |
232 | |
233 | |
234 class XMLUIDialog(xmlui.XMLUIDialog): | |
235 dialog_factory = WidgetFactory() | |
236 | |
237 def __init__(*args, **kwargs): | |
238 raise NotImplementedError | |
239 | |
240 | |
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241 create = partial(xmlui.create, class_map={ |
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242 xmlui.CLASS_PANEL: XMLUIPanel, |
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243 xmlui.CLASS_DIALOG: XMLUIDialog}) |