Mercurial > libervia-backend
annotate sat_frontends/jp/xmlui_manager.py @ 2862:b2e898384c25
quick_frontend (app): progress callbacks handling:
in addition to listeners, a frontend can now register progression callback and errback which are called when the given progressing action is finished.
Those callbacks can be registered using registerProgressCbs or specified in actionManager.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 20 Mar 2019 09:08:47 +0100 |
| parents | 442ab697f831 |
| children | 18a98a541f7a |
| rev | line source |
|---|---|
| 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" |
| 239 | |
| 240 | |
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241 class XHTMLBoxWidget(xmlui_base.XHTMLBoxWidget, StringWidget): |
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242 type = u"xhtmlbox" |
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243 |
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244 def show(self): |
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245 # FIXME: we use bridge in a blocking way as permitted by python-dbus |
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246 # this only for now to make it simpler, it must be refactored |
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247 # to use async when jp will be fully async (expected for 0.8) |
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248 self.value = self.host.bridge.syntaxConvert( |
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249 self.value, C.SYNTAX_XHTML, "markdown", False, self.host.profile) |
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250 super(XHTMLBoxWidget, self).show() |
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251 |
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252 |
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253 class ListWidget(xmlui_base.ListWidget, OptionsWidget): |
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254 type = u"list" |
| 2408 | 255 # TODO: handle flags, notably multi |
| 256 | |
| 257 def show(self): | |
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258 if self.root.values_only: |
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259 for value in self.values: |
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260 self.disp(self.value) |
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261 return |
| 2408 | 262 if not self.options: |
| 263 return | |
| 264 | |
| 265 # list display | |
| 266 self.verboseName() | |
| 267 | |
| 268 for idx, (value, label) in enumerate(self.options): | |
| 269 elems = [] | |
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270 if not self.root.read_only: |
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271 elems.extend([C.A_SUBHEADER, unicode(idx), A.RESET, u": "]) |
| 2408 | 272 elems.append(label) |
| 273 self.verboseName(elems, value) | |
| 274 self.disp(A.color(*elems)) | |
| 275 | |
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276 if self.root.read_only: |
| 2408 | 277 return |
| 278 | |
| 279 if len(self.options) == 1: | |
| 280 # we have only one option, no need to ask | |
| 281 self.value = self.options[0][0] | |
| 282 return | |
| 283 | |
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284 # we ask use to choose an option |
| 2408 | 285 choice = None |
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286 limit_max = len(self.options) - 1 |
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287 while choice is None or choice < 0 or choice > limit_max: |
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288 choice = raw_input( |
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289 A.color(C.A_HEADER, _(u"your choice (0-{max}): ").format(max=limit_max)) |
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290 ) |
| 2408 | 291 try: |
| 292 choice = int(choice) | |
| 293 except ValueError: | |
| 294 choice = None | |
| 295 self.value = self.options[choice][0] | |
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296 self.disp("") |
| 2408 | 297 |
| 298 | |
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299 class BoolWidget(xmlui_base.BoolWidget, InputWidget): |
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300 type = u"bool" |
| 2408 | 301 |
| 302 def show(self): | |
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303 disp_true = A.color(A.FG_GREEN, u"TRUE") |
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304 disp_false = A.color(A.FG_RED, u"FALSE") |
| 2408 | 305 if self.read_only: |
| 306 self.disp(disp_true if self.value else disp_false) | |
| 307 else: | |
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308 self.disp(A.color(C.A_HEADER, u"0: ", |
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309 disp_false, A.RESET, |
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310 u" *" if not self.value else u"")) |
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311 self.disp(A.color(C.A_HEADER, u"1: ", |
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312 disp_true, A.RESET, |
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313 u" *" if self.value else u"")) |
| 2408 | 314 choice = None |
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315 while choice not in ("0", "1"): |
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316 elems = [C.A_HEADER, _(u"your choice (0,1): ")] |
| 2408 | 317 self.verboseName(elems) |
| 318 choice = raw_input(A.color(*elems)) | |
| 319 self.value = bool(int(choice)) | |
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320 self.disp("") |
| 2408 | 321 |
| 322 def _xmluiGetValue(self): | |
| 323 return C.boolConst(self.value) | |
| 324 | |
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325 |
| 2408 | 326 ## Containers ## |
| 327 | |
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328 |
| 2408 | 329 class Container(Base): |
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330 category = u"container" |
| 2408 | 331 |
| 332 def __init__(self, xmlui_parent): | |
| 333 super(Container, self).__init__(xmlui_parent) | |
| 334 self.children = [] | |
| 335 | |
| 336 def __iter__(self): | |
| 337 return iter(self.children) | |
| 338 | |
| 339 def _xmluiAppend(self, widget): | |
| 340 self.children.append(widget) | |
| 341 | |
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342 def _xmluiRemove(self, widget): |
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343 self.children.remove(widget) |
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344 |
| 2408 | 345 def show(self): |
| 346 for child in self.children: | |
| 347 child.show() | |
| 348 | |
| 349 | |
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350 class VerticalContainer(xmlui_base.VerticalContainer, Container): |
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351 type = u"vertical" |
| 2408 | 352 |
| 353 | |
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354 class PairsContainer(xmlui_base.PairsContainer, Container): |
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355 type = u"pairs" |
| 2408 | 356 |
| 357 | |
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358 class LabelContainer(xmlui_base.PairsContainer, Container): |
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359 type = u"label" |
| 2408 | 360 |
| 361 def show(self): | |
| 362 for child in self.children: | |
| 363 no_lf = False | |
| 364 # we check linked widget type | |
| 365 # to see if we want the label on the same line or not | |
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366 if child.type == u"label": |
| 2408 | 367 for_name = child.for_name |
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368 if for_name: |
| 2408 | 369 for_widget = self.root.widgets[for_name] |
| 370 wid_type = for_widget.type | |
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371 if self.root.values_only or wid_type in ( |
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372 "text", |
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373 "string", |
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374 "jid_input", |
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375 ): |
| 2408 | 376 no_lf = True |
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377 elif wid_type == "bool" and for_widget.read_only: |
| 2408 | 378 no_lf = True |
| 379 child.show(no_lf=no_lf, ansi=A.FG_CYAN) | |
| 380 else: | |
| 381 child.show() | |
| 382 | |
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383 |
| 2408 | 384 ## Dialogs ## |
| 385 | |
| 386 | |
| 387 class Dialog(object): | |
| 388 def __init__(self, xmlui_parent): | |
| 389 self.xmlui_parent = xmlui_parent | |
| 390 self.host = self.xmlui_parent.host | |
| 391 | |
| 392 def disp(self, *args, **kwargs): | |
| 393 self.host.disp(*args, **kwargs) | |
| 394 | |
| 395 def show(self): | |
| 396 """display current dialog | |
| 397 | |
| 398 must be overriden by subclasses | |
| 399 """ | |
| 400 raise NotImplementedError(self.__class__) | |
| 401 | |
| 402 | |
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403 class NoteDialog(xmlui_base.NoteDialog, Dialog): |
| 2408 | 404 def show(self): |
| 405 # TODO: handle title and level | |
| 406 self.disp(self.message) | |
| 407 | |
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408 def __init__(self, xmlui_parent, title, message, level): |
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409 Dialog.__init__(self, xmlui_parent) |
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410 xmlui_base.NoteDialog.__init__(self, xmlui_parent) |
| 2408 | 411 self.title, self.message, self.level = title, message, level |
| 412 | |
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413 |
| 2408 | 414 ## Factory ## |
| 415 | |
| 416 | |
| 417 class WidgetFactory(object): | |
| 418 def __getattr__(self, attr): | |
| 419 if attr.startswith("create"): | |
| 420 cls = globals()[attr[6:]] | |
| 421 return cls | |
| 422 | |
| 423 | |
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424 class XMLUIPanel(xmlui_base.XMLUIPanel): |
| 2408 | 425 widget_factory = WidgetFactory() |
| 426 _actions = 0 # use to keep track of bridge's launchAction calls | |
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427 read_only = False |
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428 values_only = False |
| 2408 | 429 workflow = None |
| 430 _submit_cb = None | |
| 431 | |
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432 def __init__(self, host, parsed_dom, title=None, flags=None, callback=None, |
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433 ignore=None, whitelist=None, profile=None): |
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434 xmlui_base.XMLUIPanel.__init__( |
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435 self, |
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436 host, |
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437 parsed_dom, |
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438 title=title, |
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439 flags=flags, |
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440 ignore=ignore, |
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441 whitelist=whitelist, |
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442 profile=host.profile, |
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443 ) |
| 2408 | 444 self.submitted = False |
| 445 | |
| 446 @property | |
| 447 def command(self): | |
| 448 return self.host.command | |
| 449 | |
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450 def show(self, workflow=None, read_only=False, values_only=False): |
| 2408 | 451 """display the panel |
| 452 | |
| 453 @param workflow(list, None): command to execute if not None | |
| 454 put here for convenience, the main workflow is the class attribute | |
| 455 (because workflow can continue in subclasses) | |
| 456 command are a list of consts or lists: | |
| 457 - SUBMIT is the only constant so far, it submits the XMLUI | |
| 458 - list must contain widget name/widget value to fill | |
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459 @param read_only(bool): if True, don't request values |
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460 @param values_only(bool): if True, only show select values (imply read_only) |
| 2408 | 461 """ |
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462 self.read_only = read_only |
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463 self.values_only = values_only |
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464 if self.values_only: |
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465 self.read_only = True |
| 2408 | 466 if workflow: |
| 467 XMLUIPanel.workflow = workflow | |
| 468 if XMLUIPanel.workflow: | |
| 469 self.runWorkflow() | |
| 470 else: | |
| 471 self.main_cont.show() | |
| 472 | |
| 473 def runWorkflow(self): | |
| 474 """loop into workflow commands and execute commands | |
| 475 | |
| 476 SUBMIT will interrupt workflow (which will be continue on callback) | |
| 477 @param workflow(list): same as [show] | |
| 478 """ | |
| 479 workflow = XMLUIPanel.workflow | |
| 480 while True: | |
| 481 try: | |
| 482 cmd = workflow.pop(0) | |
| 483 except IndexError: | |
| 484 break | |
| 485 if cmd == SUBMIT: | |
| 486 self.onFormSubmitted() | |
| 487 self.submit_id = None # avoid double submit | |
| 488 return | |
| 489 elif isinstance(cmd, list): | |
| 490 name, value = cmd | |
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491 widget = self.widgets[name] |
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492 if widget.type == "bool": |
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493 value = C.bool(value) |
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494 widget.value = value |
| 2408 | 495 self.show() |
| 496 | |
| 497 def submitForm(self, callback=None): | |
| 498 XMLUIPanel._submit_cb = callback | |
| 499 self.onFormSubmitted() | |
| 500 | |
| 501 def onFormSubmitted(self, ignore=None): | |
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502 # self.submitted is a Q&D workaround to avoid |
| 2408 | 503 # double submit when a workflow is set |
| 504 if self.submitted: | |
| 505 return | |
| 506 self.submitted = True | |
| 507 super(XMLUIPanel, self).onFormSubmitted(ignore) | |
| 508 | |
| 509 def _xmluiClose(self): | |
| 510 pass | |
| 511 | |
| 512 def _launchActionCb(self, data): | |
| 513 XMLUIPanel._actions -= 1 | |
| 514 assert XMLUIPanel._actions >= 0 | |
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515 if u"xmlui" in data: |
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516 xmlui_raw = data["xmlui"] |
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517 xmlui = create(self.host, xmlui_raw) |
| 2408 | 518 xmlui.show() |
| 519 if xmlui.submit_id: | |
| 520 xmlui.onFormSubmitted() | |
| 521 # TODO: handle data other than XMLUI | |
| 522 if not XMLUIPanel._actions: | |
| 523 if self._submit_cb is None: | |
| 524 self.host.quit() | |
| 525 else: | |
| 526 self._submit_cb() | |
| 527 | |
| 528 def _xmluiLaunchAction(self, action_id, data): | |
| 529 XMLUIPanel._actions += 1 | |
| 530 self.host.bridge.launchAction( | |
| 531 action_id, | |
| 532 data, | |
| 533 self.profile, | |
| 534 callback=self._launchActionCb, | |
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535 errback=partial( |
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536 self.command.errback, |
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537 msg=_(u"can't launch XMLUI action: {}"), |
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538 exit_code=C.EXIT_BRIDGE_ERRBACK, |
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539 ), |
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540 ) |
| 2408 | 541 |
| 542 | |
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543 class XMLUIDialog(xmlui_base.XMLUIDialog): |
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544 type = "dialog" |
| 2408 | 545 dialog_factory = WidgetFactory() |
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546 read_only = False |
| 2408 | 547 |
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548 def show(self, __=None): |
| 2408 | 549 self.dlg.show() |
| 550 | |
| 551 def _xmluiClose(self): | |
| 552 pass | |
| 553 | |
| 554 | |
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555 create = partial(xmlui_base.create, class_map={ |
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556 xmlui_base.CLASS_PANEL: XMLUIPanel, |
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557 xmlui_base.CLASS_DIALOG: XMLUIDialog}) |