Mercurial > libervia-backend
annotate sat_frontends/jp/xmlui_manager.py @ 2939:18a98a541f7a
jp (xmlui manager): basic handling of multi-lines text in TextBoxWidget
author | Goffi <goffi@goffi.org> |
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date | Fri, 03 May 2019 20:49:27 +0200 |
parents | 442ab697f831 |
children | 5d13d357896c |
rev | line source |
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2408 | 1 #!/usr/bin/env python2 |
2 # -*- coding: utf-8 -*- | |
3 | |
4 # JP: a SàT frontend | |
2771 | 5 # Copyright (C) 2009-2019 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 | |
20 from sat.core.log import getLogger | |
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21 |
2408 | 22 log = getLogger(__name__) |
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23 from sat_frontends.tools import xmlui as xmlui_base |
2408 | 24 from sat_frontends.jp.constants import Const as C |
25 from sat.tools.common.ansi import ANSI as A | |
26 from sat.core.i18n import _ | |
27 from functools import partial | |
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): | |
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63 category = u"widget" |
2408 | 64 enabled = True |
65 | |
66 @property | |
67 def name(self): | |
68 return self._xmlui_name | |
69 | |
70 def show(self): | |
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, |
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92 u" " if elems else u"", |
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93 u"({})".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): | |
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169 return u"inline" in self.style |
2408 | 170 |
171 @property | |
172 def no_select(self): | |
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173 return u"noselect" in self.style |
2408 | 174 |
175 | |
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176 class EmptyWidget(xmlui_base.EmptyWidget, Widget): |
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177 |
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178 def __init__(self, xmlui_parent): |
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179 Widget.__init__(self, xmlui_parent) |
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180 |
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181 def show(self): |
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182 self.host.disp(u'') |
2408 | 183 |
184 | |
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185 class TextWidget(xmlui_base.TextWidget, ValueWidget): |
2408 | 186 type = u"text" |
187 | |
188 def show(self): | |
189 self.host.disp(self.value) | |
190 | |
191 | |
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192 class LabelWidget(xmlui_base.LabelWidget, ValueWidget): |
2408 | 193 type = u"label" |
194 | |
195 @property | |
196 def for_name(self): | |
197 try: | |
198 return self._xmlui_for_name | |
199 except AttributeError: | |
200 return None | |
201 | |
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202 def show(self, no_lf=False, ansi=u""): |
2408 | 203 """show label |
204 | |
205 @param no_lf(bool): same as for [JP.disp] | |
206 @param ansi(unicode): ansi escape code to print before label | |
207 """ | |
208 self.disp(A.color(ansi, self.value), no_lf=no_lf) | |
209 | |
210 | |
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211 class JidWidget(xmlui_base.JidWidget, TextWidget): |
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212 type = u"jid" |
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213 |
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214 class StringWidget(xmlui_base.StringWidget, InputWidget): |
2408 | 215 type = u"string" |
216 | |
217 def show(self): | |
218 if self.read_only: | |
219 self.disp(self.value) | |
220 else: | |
221 elems = [] | |
222 self.verboseName(elems) | |
223 if self.value: | |
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224 elems.append(_(u"(enter: {default})").format(default=self.value)) |
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225 elems.extend([C.A_HEADER, u"> "]) |
2408 | 226 value = raw_input(A.color(*elems)) |
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): |
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234 type = u"jid_input" |
2408 | 235 |
236 | |
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237 class TextBoxWidget(xmlui_base.TextWidget, StringWidget): |
2408 | 238 type = u"textbox" |
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239 # TODO: use a more advanced input method |
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240 |
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241 def show(self): |
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242 self.verboseName() |
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243 if self.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(A.color(C.A_HEADER, u"↓ current value ↓\n", A.FG_CYAN, self.value, |
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248 "")) |
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249 |
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250 values = [] |
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251 while True: |
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252 try: |
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253 if not values: |
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254 line = raw_input(A.color(C.A_HEADER, u"[Ctrl-D to finish]> ")) |
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255 else: |
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256 line = raw_input() |
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257 values.append(line) |
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258 except EOFError: |
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259 break |
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260 |
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261 self.value = u'\n'.join(values).rstrip() |
2408 | 262 |
263 | |
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264 class XHTMLBoxWidget(xmlui_base.XHTMLBoxWidget, StringWidget): |
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265 type = u"xhtmlbox" |
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266 |
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267 def show(self): |
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268 # FIXME: we use bridge in a blocking way as permitted by python-dbus |
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269 # this only for now to make it simpler, it must be refactored |
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270 # to use async when jp will be fully async (expected for 0.8) |
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271 self.value = self.host.bridge.syntaxConvert( |
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272 self.value, C.SYNTAX_XHTML, "markdown", False, self.host.profile) |
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273 super(XHTMLBoxWidget, self).show() |
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274 |
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275 |
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276 class ListWidget(xmlui_base.ListWidget, OptionsWidget): |
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277 type = u"list" |
2408 | 278 # TODO: handle flags, notably multi |
279 | |
280 def show(self): | |
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281 if self.root.values_only: |
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282 for value in self.values: |
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283 self.disp(self.value) |
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284 return |
2408 | 285 if not self.options: |
286 return | |
287 | |
288 # list display | |
289 self.verboseName() | |
290 | |
291 for idx, (value, label) in enumerate(self.options): | |
292 elems = [] | |
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293 if not self.root.read_only: |
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294 elems.extend([C.A_SUBHEADER, unicode(idx), A.RESET, u": "]) |
2408 | 295 elems.append(label) |
296 self.verboseName(elems, value) | |
297 self.disp(A.color(*elems)) | |
298 | |
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299 if self.root.read_only: |
2408 | 300 return |
301 | |
302 if len(self.options) == 1: | |
303 # we have only one option, no need to ask | |
304 self.value = self.options[0][0] | |
305 return | |
306 | |
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307 # we ask use to choose an option |
2408 | 308 choice = None |
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309 limit_max = len(self.options) - 1 |
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310 while choice is None or choice < 0 or choice > limit_max: |
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311 choice = raw_input( |
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312 A.color(C.A_HEADER, _(u"your choice (0-{max}): ").format(max=limit_max)) |
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313 ) |
2408 | 314 try: |
315 choice = int(choice) | |
316 except ValueError: | |
317 choice = None | |
318 self.value = self.options[choice][0] | |
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319 self.disp("") |
2408 | 320 |
321 | |
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322 class BoolWidget(xmlui_base.BoolWidget, InputWidget): |
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323 type = u"bool" |
2408 | 324 |
325 def show(self): | |
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326 disp_true = A.color(A.FG_GREEN, u"TRUE") |
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327 disp_false = A.color(A.FG_RED, u"FALSE") |
2408 | 328 if self.read_only: |
329 self.disp(disp_true if self.value else disp_false) | |
330 else: | |
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331 self.disp(A.color(C.A_HEADER, u"0: ", |
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332 disp_false, A.RESET, |
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333 u" *" if not self.value else u"")) |
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334 self.disp(A.color(C.A_HEADER, u"1: ", |
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335 disp_true, A.RESET, |
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336 u" *" if self.value else u"")) |
2408 | 337 choice = None |
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338 while choice not in ("0", "1"): |
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339 elems = [C.A_HEADER, _(u"your choice (0,1): ")] |
2408 | 340 self.verboseName(elems) |
341 choice = raw_input(A.color(*elems)) | |
342 self.value = bool(int(choice)) | |
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343 self.disp("") |
2408 | 344 |
345 def _xmluiGetValue(self): | |
346 return C.boolConst(self.value) | |
347 | |
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348 |
2408 | 349 ## Containers ## |
350 | |
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351 |
2408 | 352 class Container(Base): |
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353 category = u"container" |
2408 | 354 |
355 def __init__(self, xmlui_parent): | |
356 super(Container, self).__init__(xmlui_parent) | |
357 self.children = [] | |
358 | |
359 def __iter__(self): | |
360 return iter(self.children) | |
361 | |
362 def _xmluiAppend(self, widget): | |
363 self.children.append(widget) | |
364 | |
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365 def _xmluiRemove(self, widget): |
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366 self.children.remove(widget) |
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367 |
2408 | 368 def show(self): |
369 for child in self.children: | |
370 child.show() | |
371 | |
372 | |
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373 class VerticalContainer(xmlui_base.VerticalContainer, Container): |
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374 type = u"vertical" |
2408 | 375 |
376 | |
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377 class PairsContainer(xmlui_base.PairsContainer, Container): |
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378 type = u"pairs" |
2408 | 379 |
380 | |
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381 class LabelContainer(xmlui_base.PairsContainer, Container): |
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382 type = u"label" |
2408 | 383 |
384 def show(self): | |
385 for child in self.children: | |
386 no_lf = False | |
387 # we check linked widget type | |
388 # to see if we want the label on the same line or not | |
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389 if child.type == u"label": |
2408 | 390 for_name = child.for_name |
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391 if for_name: |
2408 | 392 for_widget = self.root.widgets[for_name] |
393 wid_type = for_widget.type | |
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394 if self.root.values_only or wid_type in ( |
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395 "text", |
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396 "string", |
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397 "jid_input", |
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398 ): |
2408 | 399 no_lf = True |
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400 elif wid_type == "bool" and for_widget.read_only: |
2408 | 401 no_lf = True |
402 child.show(no_lf=no_lf, ansi=A.FG_CYAN) | |
403 else: | |
404 child.show() | |
405 | |
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406 |
2408 | 407 ## Dialogs ## |
408 | |
409 | |
410 class Dialog(object): | |
411 def __init__(self, xmlui_parent): | |
412 self.xmlui_parent = xmlui_parent | |
413 self.host = self.xmlui_parent.host | |
414 | |
415 def disp(self, *args, **kwargs): | |
416 self.host.disp(*args, **kwargs) | |
417 | |
418 def show(self): | |
419 """display current dialog | |
420 | |
421 must be overriden by subclasses | |
422 """ | |
423 raise NotImplementedError(self.__class__) | |
424 | |
425 | |
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426 class NoteDialog(xmlui_base.NoteDialog, Dialog): |
2408 | 427 def show(self): |
428 # TODO: handle title and level | |
429 self.disp(self.message) | |
430 | |
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431 def __init__(self, xmlui_parent, title, message, level): |
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432 Dialog.__init__(self, xmlui_parent) |
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433 xmlui_base.NoteDialog.__init__(self, xmlui_parent) |
2408 | 434 self.title, self.message, self.level = title, message, level |
435 | |
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436 |
2408 | 437 ## Factory ## |
438 | |
439 | |
440 class WidgetFactory(object): | |
441 def __getattr__(self, attr): | |
442 if attr.startswith("create"): | |
443 cls = globals()[attr[6:]] | |
444 return cls | |
445 | |
446 | |
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447 class XMLUIPanel(xmlui_base.XMLUIPanel): |
2408 | 448 widget_factory = WidgetFactory() |
449 _actions = 0 # use to keep track of bridge's launchAction calls | |
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450 read_only = False |
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451 values_only = False |
2408 | 452 workflow = None |
453 _submit_cb = None | |
454 | |
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455 def __init__(self, host, parsed_dom, title=None, flags=None, callback=None, |
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456 ignore=None, whitelist=None, profile=None): |
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457 xmlui_base.XMLUIPanel.__init__( |
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458 self, |
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459 host, |
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460 parsed_dom, |
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461 title=title, |
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462 flags=flags, |
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463 ignore=ignore, |
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464 whitelist=whitelist, |
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465 profile=host.profile, |
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466 ) |
2408 | 467 self.submitted = False |
468 | |
469 @property | |
470 def command(self): | |
471 return self.host.command | |
472 | |
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473 def show(self, workflow=None, read_only=False, values_only=False): |
2408 | 474 """display the panel |
475 | |
476 @param workflow(list, None): command to execute if not None | |
477 put here for convenience, the main workflow is the class attribute | |
478 (because workflow can continue in subclasses) | |
479 command are a list of consts or lists: | |
480 - SUBMIT is the only constant so far, it submits the XMLUI | |
481 - list must contain widget name/widget value to fill | |
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482 @param read_only(bool): if True, don't request values |
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483 @param values_only(bool): if True, only show select values (imply read_only) |
2408 | 484 """ |
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485 self.read_only = read_only |
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486 self.values_only = values_only |
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487 if self.values_only: |
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488 self.read_only = True |
2408 | 489 if workflow: |
490 XMLUIPanel.workflow = workflow | |
491 if XMLUIPanel.workflow: | |
492 self.runWorkflow() | |
493 else: | |
494 self.main_cont.show() | |
495 | |
496 def runWorkflow(self): | |
497 """loop into workflow commands and execute commands | |
498 | |
499 SUBMIT will interrupt workflow (which will be continue on callback) | |
500 @param workflow(list): same as [show] | |
501 """ | |
502 workflow = XMLUIPanel.workflow | |
503 while True: | |
504 try: | |
505 cmd = workflow.pop(0) | |
506 except IndexError: | |
507 break | |
508 if cmd == SUBMIT: | |
509 self.onFormSubmitted() | |
510 self.submit_id = None # avoid double submit | |
511 return | |
512 elif isinstance(cmd, list): | |
513 name, value = cmd | |
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514 widget = self.widgets[name] |
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515 if widget.type == "bool": |
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516 value = C.bool(value) |
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517 widget.value = value |
2408 | 518 self.show() |
519 | |
520 def submitForm(self, callback=None): | |
521 XMLUIPanel._submit_cb = callback | |
522 self.onFormSubmitted() | |
523 | |
524 def onFormSubmitted(self, ignore=None): | |
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525 # self.submitted is a Q&D workaround to avoid |
2408 | 526 # double submit when a workflow is set |
527 if self.submitted: | |
528 return | |
529 self.submitted = True | |
530 super(XMLUIPanel, self).onFormSubmitted(ignore) | |
531 | |
532 def _xmluiClose(self): | |
533 pass | |
534 | |
535 def _launchActionCb(self, data): | |
536 XMLUIPanel._actions -= 1 | |
537 assert XMLUIPanel._actions >= 0 | |
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538 if u"xmlui" in data: |
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539 xmlui_raw = data["xmlui"] |
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540 xmlui = create(self.host, xmlui_raw) |
2408 | 541 xmlui.show() |
542 if xmlui.submit_id: | |
543 xmlui.onFormSubmitted() | |
544 # TODO: handle data other than XMLUI | |
545 if not XMLUIPanel._actions: | |
546 if self._submit_cb is None: | |
547 self.host.quit() | |
548 else: | |
549 self._submit_cb() | |
550 | |
551 def _xmluiLaunchAction(self, action_id, data): | |
552 XMLUIPanel._actions += 1 | |
553 self.host.bridge.launchAction( | |
554 action_id, | |
555 data, | |
556 self.profile, | |
557 callback=self._launchActionCb, | |
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558 errback=partial( |
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559 self.command.errback, |
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560 msg=_(u"can't launch XMLUI action: {}"), |
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561 exit_code=C.EXIT_BRIDGE_ERRBACK, |
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562 ), |
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563 ) |
2408 | 564 |
565 | |
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566 class XMLUIDialog(xmlui_base.XMLUIDialog): |
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567 type = "dialog" |
2408 | 568 dialog_factory = WidgetFactory() |
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569 read_only = False |
2408 | 570 |
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571 def show(self, __=None): |
2408 | 572 self.dlg.show() |
573 | |
574 def _xmluiClose(self): | |
575 pass | |
576 | |
577 | |
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578 create = partial(xmlui_base.create, class_map={ |
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579 xmlui_base.CLASS_PANEL: XMLUIPanel, |
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580 xmlui_base.CLASS_DIALOG: XMLUIDialog}) |