Mercurial > libervia-backend
annotate sat_frontends/jp/xmlui_manager.py @ 3615:909b56b115ff
merge branch "@"
author | Goffi <goffi@goffi.org> |
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date | Mon, 02 Aug 2021 21:49:51 +0200 |
parents | 04283582966f |
children | 53a8b50d69ca |
rev | line source |
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3137 | 1 #!/usr/bin/env python3 |
2 | |
2408 | 3 |
4 # JP: a SàT frontend | |
3479 | 5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
2408 | 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 | |
3040 | 20 from functools import partial |
2408 | 21 from sat.core.log import getLogger |
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22 from sat_frontends.tools import xmlui as xmlui_base |
2408 | 23 from sat_frontends.jp.constants import Const as C |
24 from sat.tools.common.ansi import ANSI as A | |
25 from sat.core.i18n import _ | |
3040 | 26 |
27 log = getLogger(__name__) | |
2408 | 28 |
29 # workflow constants | |
30 | |
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31 SUBMIT = "SUBMIT" # submit form |
2408 | 32 |
33 | |
34 ## Widgets ## | |
35 | |
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36 |
2408 | 37 class Base(object): |
38 """Base for Widget and Container""" | |
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39 |
2408 | 40 type = None |
41 _root = None | |
42 | |
43 def __init__(self, xmlui_parent): | |
44 self.xmlui_parent = xmlui_parent | |
45 self.host = self.xmlui_parent.host | |
46 | |
47 @property | |
48 def root(self): | |
49 """retrieve main XMLUI parent class""" | |
50 if self._root is not None: | |
51 return self._root | |
52 root = self | |
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53 while not isinstance(root, xmlui_base.XMLUIBase): |
2408 | 54 root = root.xmlui_parent |
55 self._root = root | |
56 return root | |
57 | |
58 def disp(self, *args, **kwargs): | |
59 self.host.disp(*args, **kwargs) | |
60 | |
61 | |
62 class Widget(Base): | |
3028 | 63 category = "widget" |
2408 | 64 enabled = True |
65 | |
66 @property | |
67 def name(self): | |
68 return self._xmlui_name | |
69 | |
3040 | 70 async def show(self): |
2408 | 71 """display current widget |
72 | |
73 must be overriden by subclasses | |
74 """ | |
75 raise NotImplementedError(self.__class__) | |
76 | |
77 def verboseName(self, elems=None, value=None): | |
78 """add name in color to the elements | |
79 | |
80 helper method to display name which can then be used to automate commands | |
81 elems is only modified if verbosity is > 0 | |
82 @param elems(list[unicode], None): elements to display | |
83 None to display name directly | |
84 @param value(unicode, None): value to show | |
85 use self.name if None | |
86 """ | |
87 if value is None: | |
88 value = self.name | |
89 if self.host.verbosity: | |
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90 to_disp = [ |
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91 A.FG_MAGENTA, |
3028 | 92 " " if elems else "", |
93 "({})".format(value), | |
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94 A.RESET, |
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95 ] |
2408 | 96 if elems is None: |
97 self.host.disp(A.color(*to_disp)) | |
98 else: | |
99 elems.extend(to_disp) | |
100 | |
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101 |
2408 | 102 class ValueWidget(Widget): |
103 def __init__(self, xmlui_parent, value): | |
104 super(ValueWidget, self).__init__(xmlui_parent) | |
105 self.value = value | |
106 | |
107 @property | |
108 def values(self): | |
109 return [self.value] | |
110 | |
111 | |
112 class InputWidget(ValueWidget): | |
113 def __init__(self, xmlui_parent, value, read_only=False): | |
114 super(InputWidget, self).__init__(xmlui_parent, value) | |
115 self.read_only = read_only | |
116 | |
117 def _xmluiGetValue(self): | |
118 return self.value | |
119 | |
120 | |
121 class OptionsWidget(Widget): | |
122 def __init__(self, xmlui_parent, options, selected, style): | |
123 super(OptionsWidget, self).__init__(xmlui_parent) | |
124 self.options = options | |
125 self.selected = selected | |
126 self.style = style | |
127 | |
128 @property | |
129 def values(self): | |
130 return self.selected | |
131 | |
132 @values.setter | |
133 def values(self, values): | |
134 self.selected = values | |
135 | |
136 @property | |
137 def value(self): | |
138 return self.selected[0] | |
139 | |
140 @value.setter | |
141 def value(self, value): | |
142 self.selected = [value] | |
143 | |
144 def _xmluiSelectValue(self, value): | |
145 self.value = value | |
146 | |
147 def _xmluiSelectValues(self, values): | |
148 self.values = values | |
149 | |
150 def _xmluiGetSelectedValues(self): | |
151 return self.values | |
152 | |
153 @property | |
154 def labels(self): | |
155 """return only labels from self.items""" | |
156 for value, label in self.items: | |
157 yield label | |
158 | |
159 @property | |
160 def items(self): | |
161 """return suitable items, according to style""" | |
162 no_select = self.no_select | |
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163 for value, label in self.options: |
2408 | 164 if no_select or value in self.selected: |
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165 yield value, label |
2408 | 166 |
167 @property | |
168 def inline(self): | |
3028 | 169 return "inline" in self.style |
2408 | 170 |
171 @property | |
172 def no_select(self): | |
3028 | 173 return "noselect" in self.style |
2408 | 174 |
175 | |
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176 class EmptyWidget(xmlui_base.EmptyWidget, Widget): |
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177 def __init__(self, xmlui_parent): |
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178 Widget.__init__(self, xmlui_parent) |
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179 |
3040 | 180 async def show(self): |
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181 self.host.disp("") |
2408 | 182 |
183 | |
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184 class TextWidget(xmlui_base.TextWidget, ValueWidget): |
3028 | 185 type = "text" |
2408 | 186 |
3040 | 187 async def show(self): |
2408 | 188 self.host.disp(self.value) |
189 | |
190 | |
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191 class LabelWidget(xmlui_base.LabelWidget, ValueWidget): |
3028 | 192 type = "label" |
2408 | 193 |
194 @property | |
195 def for_name(self): | |
196 try: | |
197 return self._xmlui_for_name | |
198 except AttributeError: | |
199 return None | |
200 | |
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201 async def show(self, end="\n", ansi=""): |
2408 | 202 """show label |
203 | |
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204 @param end(str): same as for [JP.disp] |
2408 | 205 @param ansi(unicode): ansi escape code to print before label |
206 """ | |
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207 self.disp(A.color(ansi, self.value), end=end) |
2408 | 208 |
209 | |
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210 class JidWidget(xmlui_base.JidWidget, TextWidget): |
3028 | 211 type = "jid" |
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212 |
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213 |
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214 class StringWidget(xmlui_base.StringWidget, InputWidget): |
3028 | 215 type = "string" |
2408 | 216 |
3040 | 217 async def show(self): |
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218 if self.read_only or self.root.read_only: |
2408 | 219 self.disp(self.value) |
220 else: | |
221 elems = [] | |
222 self.verboseName(elems) | |
223 if self.value: | |
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224 elems.append(_("(enter: {value})").format(value=self.value)) |
3028 | 225 elems.extend([C.A_HEADER, "> "]) |
3040 | 226 value = await self.host.ainput(A.color(*elems)) |
2408 | 227 if value: |
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228 # TODO: empty value should be possible |
2408 | 229 # an escape key should be used for default instead of enter with empty value |
230 self.value = value | |
231 | |
232 | |
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233 class JidInputWidget(xmlui_base.JidInputWidget, StringWidget): |
3028 | 234 type = "jid_input" |
2408 | 235 |
236 | |
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237 class TextBoxWidget(xmlui_base.TextWidget, StringWidget): |
3028 | 238 type = "textbox" |
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239 # TODO: use a more advanced input method |
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240 |
3040 | 241 async def show(self): |
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242 self.verboseName() |
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243 if self.read_only or self.root.read_only: |
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244 self.disp(self.value) |
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245 else: |
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246 if self.value: |
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247 self.disp( |
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248 A.color(C.A_HEADER, "↓ current value ↓\n", A.FG_CYAN, self.value, "") |
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249 ) |
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250 |
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251 values = [] |
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252 while True: |
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253 try: |
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254 if not values: |
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255 line = await self.host.ainput( |
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256 A.color(C.A_HEADER, "[Ctrl-D to finish]> ") |
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257 ) |
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258 else: |
3040 | 259 line = await self.host.ainput() |
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260 values.append(line) |
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261 except EOFError: |
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262 break |
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263 |
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264 self.value = "\n".join(values).rstrip() |
2408 | 265 |
266 | |
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267 class XHTMLBoxWidget(xmlui_base.XHTMLBoxWidget, StringWidget): |
3028 | 268 type = "xhtmlbox" |
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269 |
3040 | 270 async def show(self): |
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271 # FIXME: we use bridge in a blocking way as permitted by python-dbus |
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272 # this only for now to make it simpler, it must be refactored |
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273 # to use async when jp will be fully async (expected for 0.8) |
3040 | 274 self.value = await self.host.bridge.syntaxConvert( |
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275 self.value, C.SYNTAX_XHTML, "markdown", False, self.host.profile |
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276 ) |
3040 | 277 await super(XHTMLBoxWidget, self).show() |
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278 |
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279 |
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280 class ListWidget(xmlui_base.ListWidget, OptionsWidget): |
3028 | 281 type = "list" |
2408 | 282 # TODO: handle flags, notably multi |
283 | |
3040 | 284 async def show(self): |
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285 if self.root.values_only: |
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286 for value in self.values: |
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287 self.disp(self.value) |
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288 return |
2408 | 289 if not self.options: |
290 return | |
291 | |
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292 # list display |
2408 | 293 self.verboseName() |
294 | |
295 for idx, (value, label) in enumerate(self.options): | |
296 elems = [] | |
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297 if not self.root.read_only: |
3028 | 298 elems.extend([C.A_SUBHEADER, str(idx), A.RESET, ": "]) |
2408 | 299 elems.append(label) |
300 self.verboseName(elems, value) | |
301 self.disp(A.color(*elems)) | |
302 | |
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303 if self.root.read_only: |
2408 | 304 return |
305 | |
306 if len(self.options) == 1: | |
307 # we have only one option, no need to ask | |
308 self.value = self.options[0][0] | |
309 return | |
310 | |
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311 # we ask use to choose an option |
2408 | 312 choice = None |
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313 limit_max = len(self.options) - 1 |
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314 while choice is None or choice < 0 or choice > limit_max: |
3040 | 315 choice = await self.host.ainput( |
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316 A.color( |
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317 C.A_HEADER, |
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318 _("your choice (0-{limit_max}): ").format(limit_max=limit_max), |
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319 ) |
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320 ) |
2408 | 321 try: |
322 choice = int(choice) | |
323 except ValueError: | |
324 choice = None | |
325 self.value = self.options[choice][0] | |
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326 self.disp("") |
2408 | 327 |
328 | |
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329 class BoolWidget(xmlui_base.BoolWidget, InputWidget): |
3028 | 330 type = "bool" |
2408 | 331 |
3040 | 332 async def show(self): |
3028 | 333 disp_true = A.color(A.FG_GREEN, "TRUE") |
334 disp_false = A.color(A.FG_RED, "FALSE") | |
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335 if self.read_only or self.root.read_only: |
2408 | 336 self.disp(disp_true if self.value else disp_false) |
337 else: | |
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338 self.disp( |
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339 A.color( |
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340 C.A_HEADER, "0: ", disp_false, A.RESET, " *" if not self.value else "" |
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341 ) |
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342 ) |
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343 self.disp( |
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344 A.color(C.A_HEADER, "1: ", disp_true, A.RESET, " *" if self.value else "") |
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345 ) |
2408 | 346 choice = None |
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347 while choice not in ("0", "1"): |
3028 | 348 elems = [C.A_HEADER, _("your choice (0,1): ")] |
2408 | 349 self.verboseName(elems) |
3040 | 350 choice = await self.host.ainput(A.color(*elems)) |
2408 | 351 self.value = bool(int(choice)) |
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352 self.disp("") |
2408 | 353 |
354 def _xmluiGetValue(self): | |
355 return C.boolConst(self.value) | |
356 | |
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357 ## Containers ## |
2408 | 358 |
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359 |
2408 | 360 class Container(Base): |
3028 | 361 category = "container" |
2408 | 362 |
363 def __init__(self, xmlui_parent): | |
364 super(Container, self).__init__(xmlui_parent) | |
365 self.children = [] | |
366 | |
367 def __iter__(self): | |
368 return iter(self.children) | |
369 | |
370 def _xmluiAppend(self, widget): | |
371 self.children.append(widget) | |
372 | |
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373 def _xmluiRemove(self, widget): |
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374 self.children.remove(widget) |
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375 |
3040 | 376 async def show(self): |
2408 | 377 for child in self.children: |
3040 | 378 await child.show() |
2408 | 379 |
380 | |
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381 class VerticalContainer(xmlui_base.VerticalContainer, Container): |
3028 | 382 type = "vertical" |
2408 | 383 |
384 | |
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385 class PairsContainer(xmlui_base.PairsContainer, Container): |
3028 | 386 type = "pairs" |
2408 | 387 |
388 | |
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389 class LabelContainer(xmlui_base.PairsContainer, Container): |
3028 | 390 type = "label" |
2408 | 391 |
3040 | 392 async def show(self): |
2408 | 393 for child in self.children: |
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394 end = "\n" |
2408 | 395 # we check linked widget type |
396 # to see if we want the label on the same line or not | |
3028 | 397 if child.type == "label": |
2408 | 398 for_name = child.for_name |
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399 if for_name: |
2408 | 400 for_widget = self.root.widgets[for_name] |
401 wid_type = for_widget.type | |
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402 if self.root.values_only or wid_type in ( |
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403 "text", |
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404 "string", |
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405 "jid_input", |
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406 ): |
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407 end = " " |
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408 elif wid_type == "bool" and for_widget.read_only: |
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409 end = " " |
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410 await child.show(end=end, ansi=A.FG_CYAN) |
2408 | 411 else: |
3040 | 412 await child.show() |
2408 | 413 |
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414 ## Dialogs ## |
2408 | 415 |
416 | |
417 class Dialog(object): | |
418 def __init__(self, xmlui_parent): | |
419 self.xmlui_parent = xmlui_parent | |
420 self.host = self.xmlui_parent.host | |
421 | |
422 def disp(self, *args, **kwargs): | |
423 self.host.disp(*args, **kwargs) | |
424 | |
3040 | 425 async def show(self): |
2408 | 426 """display current dialog |
427 | |
428 must be overriden by subclasses | |
429 """ | |
430 raise NotImplementedError(self.__class__) | |
431 | |
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432 |
3040 | 433 class MessageDialog(xmlui_base.MessageDialog, Dialog): |
434 def __init__(self, xmlui_parent, title, message, level): | |
435 Dialog.__init__(self, xmlui_parent) | |
436 xmlui_base.MessageDialog.__init__(self, xmlui_parent) | |
437 self.title, self.message, self.level = title, message, level | |
438 | |
439 async def show(self): | |
440 # TODO: handle level | |
441 if self.title: | |
442 self.disp(A.color(C.A_HEADER, self.title)) | |
443 self.disp(self.message) | |
444 | |
2408 | 445 |
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446 class NoteDialog(xmlui_base.NoteDialog, Dialog): |
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447 def __init__(self, xmlui_parent, title, message, level): |
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448 Dialog.__init__(self, xmlui_parent) |
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449 xmlui_base.NoteDialog.__init__(self, xmlui_parent) |
2408 | 450 self.title, self.message, self.level = title, message, level |
451 | |
3040 | 452 async def show(self): |
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453 # TODO: handle title |
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454 error = self.level in (C.XMLUI_DATA_LVL_WARNING, C.XMLUI_DATA_LVL_ERROR) |
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455 if self.level == C.XMLUI_DATA_LVL_WARNING: |
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456 msg = A.color(C.A_WARNING, self.message) |
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457 elif self.level == C.XMLUI_DATA_LVL_ERROR: |
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458 msg = A.color(C.A_FAILURE, self.message) |
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459 else: |
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460 msg = self.message |
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461 self.disp(msg, error=error) |
3040 | 462 |
463 | |
464 class ConfirmDialog(xmlui_base.ConfirmDialog, Dialog): | |
465 def __init__(self, xmlui_parent, title, message, level, buttons_set): | |
466 Dialog.__init__(self, xmlui_parent) | |
467 xmlui_base.ConfirmDialog.__init__(self, xmlui_parent) | |
468 self.title, self.message, self.level, self.buttons_set = ( | |
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469 title, |
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470 message, |
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471 level, |
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472 buttons_set, |
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473 ) |
3040 | 474 |
475 async def show(self): | |
476 # TODO: handle buttons_set and level | |
477 self.disp(self.message) | |
478 if self.title: | |
479 self.disp(A.color(C.A_HEADER, self.title)) | |
480 input_ = None | |
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481 while input_ not in ("y", "n"): |
3040 | 482 input_ = await self.host.ainput(f"{self.message} (y/n)? ") |
483 input_ = input_.lower() | |
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484 if input_ == "y": |
3040 | 485 self._xmluiValidated() |
486 else: | |
487 self._xmluiCancelled() | |
488 | |
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489 ## Factory ## |
2408 | 490 |
491 | |
492 class WidgetFactory(object): | |
493 def __getattr__(self, attr): | |
494 if attr.startswith("create"): | |
495 cls = globals()[attr[6:]] | |
496 return cls | |
497 | |
498 | |
3040 | 499 class XMLUIPanel(xmlui_base.AIOXMLUIPanel): |
2408 | 500 widget_factory = WidgetFactory() |
501 _actions = 0 # use to keep track of bridge's launchAction calls | |
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502 read_only = False |
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503 values_only = False |
2408 | 504 workflow = None |
505 _submit_cb = None | |
506 | |
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507 def __init__( |
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508 self, |
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509 host, |
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510 parsed_dom, |
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511 title=None, |
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512 flags=None, |
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513 callback=None, |
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514 ignore=None, |
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515 whitelist=None, |
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516 profile=None, |
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517 ): |
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518 xmlui_base.XMLUIPanel.__init__( |
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519 self, |
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520 host, |
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521 parsed_dom, |
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522 title=title, |
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523 flags=flags, |
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524 ignore=ignore, |
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525 whitelist=whitelist, |
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526 profile=host.profile, |
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527 ) |
2408 | 528 self.submitted = False |
529 | |
530 @property | |
531 def command(self): | |
532 return self.host.command | |
533 | |
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534 def disp(self, *args, **kwargs): |
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535 self.host.disp(*args, **kwargs) |
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536 |
3040 | 537 async def show(self, workflow=None, read_only=False, values_only=False): |
2408 | 538 """display the panel |
539 | |
540 @param workflow(list, None): command to execute if not None | |
541 put here for convenience, the main workflow is the class attribute | |
542 (because workflow can continue in subclasses) | |
543 command are a list of consts or lists: | |
544 - SUBMIT is the only constant so far, it submits the XMLUI | |
545 - list must contain widget name/widget value to fill | |
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546 @param read_only(bool): if True, don't request values |
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547 @param values_only(bool): if True, only show select values (imply read_only) |
2408 | 548 """ |
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549 self.read_only = read_only |
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550 self.values_only = values_only |
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551 if self.values_only: |
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552 self.read_only = True |
2408 | 553 if workflow: |
554 XMLUIPanel.workflow = workflow | |
555 if XMLUIPanel.workflow: | |
3040 | 556 await self.runWorkflow() |
2408 | 557 else: |
3040 | 558 await self.main_cont.show() |
2408 | 559 |
3040 | 560 async def runWorkflow(self): |
2408 | 561 """loop into workflow commands and execute commands |
562 | |
563 SUBMIT will interrupt workflow (which will be continue on callback) | |
564 @param workflow(list): same as [show] | |
565 """ | |
566 workflow = XMLUIPanel.workflow | |
567 while True: | |
568 try: | |
569 cmd = workflow.pop(0) | |
570 except IndexError: | |
571 break | |
572 if cmd == SUBMIT: | |
3040 | 573 await self.onFormSubmitted() |
2408 | 574 self.submit_id = None # avoid double submit |
575 return | |
576 elif isinstance(cmd, list): | |
577 name, value = cmd | |
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578 widget = self.widgets[name] |
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579 if widget.type == "bool": |
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580 value = C.bool(value) |
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581 widget.value = value |
3040 | 582 await self.show() |
2408 | 583 |
3040 | 584 async def submitForm(self, callback=None): |
2408 | 585 XMLUIPanel._submit_cb = callback |
3040 | 586 await self.onFormSubmitted() |
2408 | 587 |
3040 | 588 async def onFormSubmitted(self, ignore=None): |
589 # self.submitted is a Q&D workaround to avoid | |
2408 | 590 # double submit when a workflow is set |
591 if self.submitted: | |
592 return | |
593 self.submitted = True | |
3040 | 594 await super(XMLUIPanel, self).onFormSubmitted(ignore) |
2408 | 595 |
596 def _xmluiClose(self): | |
597 pass | |
598 | |
3040 | 599 async def _launchActionCb(self, data): |
2408 | 600 XMLUIPanel._actions -= 1 |
601 assert XMLUIPanel._actions >= 0 | |
3028 | 602 if "xmlui" in data: |
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603 xmlui_raw = data["xmlui"] |
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604 xmlui = create(self.host, xmlui_raw) |
3040 | 605 await xmlui.show() |
2408 | 606 if xmlui.submit_id: |
3040 | 607 await xmlui.onFormSubmitted() |
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608 # TODO: handle data other than XMLUI |
2408 | 609 if not XMLUIPanel._actions: |
610 if self._submit_cb is None: | |
611 self.host.quit() | |
612 else: | |
613 self._submit_cb() | |
614 | |
3040 | 615 async def _xmluiLaunchAction(self, action_id, data): |
2408 | 616 XMLUIPanel._actions += 1 |
3040 | 617 try: |
618 data = await self.host.bridge.launchAction( | |
619 action_id, | |
620 data, | |
621 self.profile, | |
622 ) | |
623 except Exception as e: | |
624 self.disp(f"can't launch XMLUI action: {e}", error=True) | |
625 self.host.quit(C.EXIT_BRIDGE_ERRBACK) | |
626 else: | |
627 await self._launchActionCb(data) | |
2408 | 628 |
629 | |
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630 class XMLUIDialog(xmlui_base.XMLUIDialog): |
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631 type = "dialog" |
2408 | 632 dialog_factory = WidgetFactory() |
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633 read_only = False |
2408 | 634 |
3040 | 635 async def show(self, __=None): |
636 await self.dlg.show() | |
2408 | 637 |
638 def _xmluiClose(self): | |
639 pass | |
640 | |
641 | |
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642 create = partial( |
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643 xmlui_base.create, |
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644 class_map={xmlui_base.CLASS_PANEL: XMLUIPanel, xmlui_base.CLASS_DIALOG: XMLUIDialog}, |
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645 ) |