code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/config.py

   1 from enigma import getPrevAsciiCode
   2 from Tools.NumericalTextInput import NumericalTextInput
   3 from Tools.Directories import resolveFilename, SCOPE_CONFIG, fileExists
   4 from Components.Harddisk import harddiskmanager
   5 from copy import copy as copy_copy
   6 from os import path as os_path
   7 from time import localtime, strftime
   8
   9 # ConfigElement, the base class of all ConfigElements.
  10
  11 # it stores:
  12 #   value    the current value, usefully encoded.
  13 #            usually a property which retrieves _value,
  14 #            and maybe does some reformatting
  15 #   _value   the value as it's going to be saved in the configfile,
  16 #            though still in non-string form.
  17 #            this is the object which is actually worked on.
  18 #   default  the initial value. If _value is equal to default,
  19 #            it will not be stored in the config file
  20 #   saved_value is a text representation of _value, stored in the config file
  21 #
  22 # and has (at least) the following methods:
  23 #   save()   stores _value into saved_value,
  24 #            (or stores 'None' if it should not be stored)
  25 #   load()   loads _value from saved_value, or loads
  26 #            the default if saved_value is 'None' (default)
  27 #            or invalid.
  28 #
  29 class ConfigElement(object):
  30         def __init__(self):
  31                 self.saved_value = None
  32                 self.save_forced = False
  33                 self.last_value = None
  34                 self.save_disabled = False
  35                 self.__notifiers = None
  36                 self.__notifiers_final = None
  37                 self.enabled = True
  38                 self.callNotifiersOnSaveAndCancel = False
  39
  40         def getNotifiers(self):
  41                 if self.__notifiers is None:
  42                         self.__notifiers = [ ]
  43                 return self.__notifiers
  44
  45         def setNotifiers(self, val):
  46                 self.__notifiers = val
  47
  48         notifiers = property(getNotifiers, setNotifiers)
  49
  50         def getNotifiersFinal(self):
  51                 if self.__notifiers_final is None:
  52                         self.__notifiers_final = [ ]
  53                 return self.__notifiers_final
  54
  55         def setNotifiersFinal(self, val):
  56                 self.__notifiers_final = val
  57
  58         notifiers_final = property(getNotifiersFinal, setNotifiersFinal)
  59
  60         # you need to override this to do input validation
  61         def setValue(self, value):
  62                 self._value = value
  63                 self.changed()
  64
  65         def getValue(self):
  66                 return self._value
  67
  68         value = property(getValue, setValue)
  69
  70         # you need to override this if self.value is not a string
  71         def fromstring(self, value):
  72                 return value
  73
  74         # you can overide this for fancy default handling
  75         def load(self):
  76                 sv = self.saved_value
  77                 if sv is None:
  78                         self.value = self.default
  79                 else:
  80                         self.value = self.fromstring(sv)
  81
  82         def tostring(self, value):
  83                 return str(value)
  84
  85         # you need to override this if str(self.value) doesn't work
  86         def save(self):
  87                 if self.save_disabled or (self.value == self.default and not self.save_forced):
  88                         self.saved_value = None
  89                 else:
  90                         self.saved_value = self.tostring(self.value)
  91                 if self.callNotifiersOnSaveAndCancel:
  92                         self.changed()
  93
  94         def cancel(self):
  95                 self.load()
  96                 if self.callNotifiersOnSaveAndCancel:
  97                         self.changed()
  98
  99         def isChanged(self):
 100                 sv = self.saved_value
 101                 if sv is None and self.value == self.default:
 102                         return False
 103                 return self.tostring(self.value) != sv
 104
 105         def changed(self):
 106                 if self.__notifiers:
 107                         for x in self.notifiers:
 108                                 x(self)
 109
 110         def changedFinal(self):
 111                 if self.__notifiers_final:
 112                         for x in self.notifiers_final:
 113                                 x(self)
 114
 115         def addNotifier(self, notifier, initial_call = True, immediate_feedback = True):
 116                 assert callable(notifier), "notifiers must be callable"
 117                 if immediate_feedback:
 118                         self.notifiers.append(notifier)
 119                 else:
 120                         self.notifiers_final.append(notifier)
 121                 # CHECKME:
 122                 # do we want to call the notifier
 123                 #  - at all when adding it? (yes, though optional)
 124                 #  - when the default is active? (yes)
 125                 #  - when no value *yet* has been set,
 126                 #    because no config has ever been read (currently yes)
 127                 #    (though that's not so easy to detect.
 128                 #     the entry could just be new.)
 129                 if initial_call:
 130                         notifier(self)
 131
 132         def disableSave(self):
 133                 self.save_disabled = True
 134
 135         def __call__(self, selected):
 136                 return self.getMulti(selected)
 137
 138         def onSelect(self, session):
 139                 pass
 140
 141         def onDeselect(self, session):
 142                 if not self.last_value == self.value:
 143                         self.changedFinal()
 144                         self.last_value = self.value
 145
 146 KEY_LEFT = 0
 147 KEY_RIGHT = 1
 148 KEY_OK = 2
 149 KEY_DELETE = 3
 150 KEY_BACKSPACE = 4
 151 KEY_HOME = 5
 152 KEY_END = 6
 153 KEY_TOGGLEOW = 7
 154 KEY_ASCII = 8
 155 KEY_TIMEOUT = 9
 156 KEY_NUMBERS = range(12, 12+10)
 157 KEY_0 = 12
 158 KEY_9 = 12+9
 159
 160 def getKeyNumber(key):
 161         assert key in KEY_NUMBERS
 162         return key - KEY_0
 163
 164 class choicesList(object): # XXX: we might want a better name for this
 165         LIST_TYPE_LIST = 1
 166         LIST_TYPE_DICT = 2
 167
 168         def __init__(self, choices, type = None):
 169                 self.choices = choices
 170                 if type is None:
 171                         if isinstance(choices, list):
 172                                 self.type = choicesList.LIST_TYPE_LIST
 173                         elif isinstance(choices, dict):
 174                                 self.type = choicesList.LIST_TYPE_DICT
 175                         else:
 176                                 assert False, "choices must be dict or list!"
 177                 else:
 178                         self.type = type
 179
 180         def __list__(self):
 181                 if self.type == choicesList.LIST_TYPE_LIST:
 182                         ret = [not isinstance(x, tuple) and x or x[0] for x in self.choices]
 183                 else:
 184                         ret = self.choices.keys()
 185                 return ret or [""]
 186
 187         def __iter__(self):
 188                 if self.type == choicesList.LIST_TYPE_LIST:
 189                         ret = [not isinstance(x, tuple) and x or x[0] for x in self.choices]
 190                 else:
 191                         ret = self.choices
 192                 return iter(ret or [""])
 193
 194         def __len__(self):
 195                 return len(self.choices) or 1
 196
 197         def __getitem__(self, index):
 198                 if self.type == choicesList.LIST_TYPE_LIST:
 199                         ret = self.choices[index]
 200                         if isinstance(ret, tuple):
 201                                 ret = ret[0]
 202                         return ret
 203                 return self.choices.keys()[index]
 204
 205         def index(self, value):
 206                 return self.__list__().index(value)
 207
 208         def __setitem__(self, index, value):
 209                 if self.type == choicesList.LIST_TYPE_LIST:
 210                         orig = self.choices[index]
 211                         if isinstance(orig, tuple):
 212                                 self.choices[index] = (value, orig[1])
 213                         else:
 214                                 self.choices[index] = value
 215                 else:
 216                         key = self.choices.keys()[index]
 217                         orig = self.choices[key]
 218                         del self.choices[key]
 219                         self.choices[value] = orig
 220
 221         def default(self):
 222                 choices = self.choices
 223                 if not choices:
 224                         return ""
 225                 if self.type is choicesList.LIST_TYPE_LIST:
 226                         default = choices[0]
 227                         if isinstance(default, tuple):
 228                                 default = default[0]
 229                 else:
 230                         default = choices.keys()[0]
 231                 return default
 232
 233 class descriptionList(choicesList): # XXX: we might want a better name for this
 234         def __list__(self):
 235                 if self.type == choicesList.LIST_TYPE_LIST:
 236                         ret = [not isinstance(x, tuple) and x or x[1] for x in self.choices]
 237                 else:
 238                         ret = self.choices.values()
 239                 return ret or [""]
 240
 241         def __iter__(self):
 242                 return iter(self.__list__())
 243
 244         def __getitem__(self, index):
 245                 if self.type == choicesList.LIST_TYPE_LIST:
 246                         for x in self.choices:
 247                                 if isinstance(x, tuple):
 248                                         if x[0] == index:
 249                                                 return str(x[1])
 250                                 elif x == index:
 251                                         return str(x)
 252                         return str(index) # Fallback!
 253                 else:
 254                         return str(self.choices.get(index, ""))
 255
 256         def __setitem__(self, index, value):
 257                 if self.type == choicesList.LIST_TYPE_LIST:
 258                         i = self.index(index)
 259                         orig = self.choices[i]
 260                         if isinstance(orig, tuple):
 261                                 self.choices[i] = (orig[0], value)
 262                         else:
 263                                 self.choices[i] = value
 264                 else:
 265                         self.choices[index] = value
 266
 267 #
 268 # ConfigSelection is a "one of.."-type.
 269 # it has the "choices", usually a list, which contains
 270 # (id, desc)-tuples (or just only the ids, in case the id
 271 # will be used as description)
 272 #
 273 # all ids MUST be plain strings.
 274 #
 275 class ConfigSelection(ConfigElement):
 276         def __init__(self, choices, default = None):
 277                 ConfigElement.__init__(self)
 278                 self.choices = choicesList(choices)
 279
 280                 if default is None:
 281                         default = self.choices.default()
 282
 283                 self._descr = None
 284                 self.default = self._value = self.last_value = default
 285
 286         def setChoices(self, choices, default = None):
 287                 self.choices = choicesList(choices)
 288
 289                 if default is None:
 290                         default = self.choices.default()
 291                 self.default = default
 292
 293                 if self.value not in self.choices:
 294                         self.value = default
 295
 296         def setValue(self, value):
 297                 if value in self.choices:
 298                         self._value = value
 299                 else:
 300                         self._value = self.default
 301                 self._descr = None
 302                 self.changed()
 303
 304         def tostring(self, val):
 305                 return val
 306
 307         def getValue(self):
 308                 return self._value
 309
 310         def setCurrentText(self, text):
 311                 i = self.choices.index(self.value)
 312                 self.choices[i] = text
 313                 self._descr = self.description[text] = text
 314                 self._value = text
 315
 316         value = property(getValue, setValue)
 317
 318         def getIndex(self):
 319                 return self.choices.index(self.value)
 320
 321         index = property(getIndex)
 322
 323         # GUI
 324         def handleKey(self, key):
 325                 nchoices = len(self.choices)
 326                 i = self.choices.index(self.value)
 327                 if key == KEY_LEFT:
 328                         self.value = self.choices[(i + nchoices - 1) % nchoices]
 329                 elif key == KEY_RIGHT:
 330                         self.value = self.choices[(i + 1) % nchoices]
 331                 elif key == KEY_HOME:
 332                         self.value = self.choices[0]
 333                 elif key == KEY_END:
 334                         self.value = self.choices[nchoices - 1]
 335
 336         def selectNext(self):
 337                 nchoices = len(self.choices)
 338                 i = self.choices.index(self.value)
 339                 self.value = self.choices[(i + 1) % nchoices]
 340
 341         def getText(self):
 342                 if self._descr is not None:
 343                         return self._descr
 344                 descr = self._descr = self.description[self.value]
 345                 if descr:
 346                         return _(descr)
 347                 return descr
 348
 349         def getMulti(self, selected):
 350                 if self._descr is not None:
 351                         descr = self._descr
 352                 else:
 353                         descr = self._descr = self.description[self.value]
 354                 if descr:
 355                         return ("text", _(descr))
 356                 return ("text", descr)
 357
 358         # HTML
 359         def getHTML(self, id):
 360                 res = ""
 361                 for v in self.choices:
 362                         descr = self.description[v]
 363                         if self.value == v:
 364                                 checked = 'checked="checked" '
 365                         else:
 366                                 checked = ''
 367                         res += '<input type="radio" name="' + id + '" ' + checked + 'value="' + v + '">' + descr + "</input></br>\n"
 368                 return res;
 369
 370         def unsafeAssign(self, value):
 371                 # setValue does check if value is in choices. This is safe enough.
 372                 self.value = value
 373
 374         description = property(lambda self: descriptionList(self.choices.choices, self.choices.type))
 375
 376 # a binary decision.
 377 #
 378 # several customized versions exist for different
 379 # descriptions.
 380 #
 381 boolean_descriptions = {False: "false", True: "true"}
 382 class ConfigBoolean(ConfigElement):
 383         def __init__(self, default = False, descriptions = boolean_descriptions):
 384                 ConfigElement.__init__(self)
 385                 self.descriptions = descriptions
 386                 self.value = self.last_value = self.default = default
 387
 388         def handleKey(self, key):
 389                 if key in (KEY_LEFT, KEY_RIGHT):
 390                         self.value = not self.value
 391                 elif key == KEY_HOME:
 392                         self.value = False
 393                 elif key == KEY_END:
 394                         self.value = True
 395
 396         def getText(self):
 397                 descr = self.descriptions[self.value]
 398                 if descr:
 399                         return _(descr)
 400                 return descr
 401
 402         def getMulti(self, selected):
 403                 descr = self.descriptions[self.value]
 404                 if descr:
 405                         return ("text", _(descr))
 406                 return ("text", descr)
 407
 408         def tostring(self, value):
 409                 if not value:
 410                         return "false"
 411                 else:
 412                         return "true"
 413
 414         def fromstring(self, val):
 415                 if val == "true":
 416                         return True
 417                 else:
 418                         return False
 419
 420         def getHTML(self, id):
 421                 if self.value:
 422                         checked = ' checked="checked"'
 423                 else:
 424                         checked = ''
 425                 return '<input type="checkbox" name="' + id + '" value="1" ' + checked + " />"
 426
 427         # this is FLAWED. and must be fixed.
 428         def unsafeAssign(self, value):
 429                 if value == "1":
 430                         self.value = True
 431                 else:
 432                         self.value = False
 433
 434         def onDeselect(self, session):
 435                 if not self.last_value == self.value:
 436                         self.changedFinal()
 437                         self.last_value = self.value
 438
 439 yes_no_descriptions = {False: _("no"), True: _("yes")}
 440 class ConfigYesNo(ConfigBoolean):
 441         def __init__(self, default = False):
 442                 ConfigBoolean.__init__(self, default = default, descriptions = yes_no_descriptions)
 443
 444 on_off_descriptions = {False: _("off"), True: _("on")}
 445 class ConfigOnOff(ConfigBoolean):
 446         def __init__(self, default = False):
 447                 ConfigBoolean.__init__(self, default = default, descriptions = on_off_descriptions)
 448
 449 enable_disable_descriptions = {False: _("disable"), True: _("enable")}
 450 class ConfigEnableDisable(ConfigBoolean):
 451         def __init__(self, default = False):
 452                 ConfigBoolean.__init__(self, default = default, descriptions = enable_disable_descriptions)
 453
 454 class ConfigDateTime(ConfigElement):
 455         def __init__(self, default, formatstring, increment = 86400):
 456                 ConfigElement.__init__(self)
 457                 self.increment = increment
 458                 self.formatstring = formatstring
 459                 self.value = self.last_value = self.default = int(default)
 460
 461         def handleKey(self, key):
 462                 if key == KEY_LEFT:
 463                         self.value = self.value - self.increment
 464                 elif key == KEY_RIGHT:
 465                         self.value = self.value + self.increment
 466                 elif key == KEY_HOME or key == KEY_END:
 467                         self.value = self.default
 468
 469         def getText(self):
 470                 return strftime(self.formatstring, localtime(self.value))
 471
 472         def getMulti(self, selected):
 473                 return ("text", strftime(self.formatstring, localtime(self.value)))
 474
 475         def fromstring(self, val):
 476                 return int(val)
 477
 478 # *THE* mighty config element class
 479 #
 480 # allows you to store/edit a sequence of values.
 481 # can be used for IP-addresses, dates, plain integers, ...
 482 # several helper exist to ease this up a bit.
 483 #
 484 class ConfigSequence(ConfigElement):
 485         def __init__(self, seperator, limits, default, censor_char = ""):
 486                 ConfigElement.__init__(self)
 487                 assert isinstance(limits, list) and len(limits[0]) == 2, "limits must be [(min, max),...]-tuple-list"
 488                 assert censor_char == "" or len(censor_char) == 1, "censor char must be a single char (or \"\")"
 489                 #assert isinstance(default, list), "default must be a list"
 490                 #assert isinstance(default[0], int), "list must contain numbers"
 491                 #assert len(default) == len(limits), "length must match"
 492
 493                 self.marked_pos = 0
 494                 self.seperator = seperator
 495                 self.limits = limits
 496                 self.censor_char = censor_char
 497
 498                 self.last_value = self.default = default
 499                 self.value = copy_copy(default)
 500                 self.endNotifier = None
 501
 502         def validate(self):
 503                 max_pos = 0
 504                 num = 0
 505                 for i in self._value:
 506                         max_pos += len(str(self.limits[num][1]))
 507
 508                         if self._value[num] < self.limits[num][0]:
 509                                 self._value[num] = self.limits[num][0]
 510
 511                         if self._value[num] > self.limits[num][1]:
 512                                 self._value[num] = self.limits[num][1]
 513
 514                         num += 1
 515
 516                 if self.marked_pos >= max_pos:
 517                         if self.endNotifier:
 518                                 for x in self.endNotifier:
 519                                         x(self)
 520                         self.marked_pos = max_pos - 1
 521
 522                 if self.marked_pos < 0:
 523                         self.marked_pos = 0
 524
 525         def validatePos(self):
 526                 if self.marked_pos < 0:
 527                         self.marked_pos = 0
 528
 529                 total_len = sum([len(str(x[1])) for x in self.limits])
 530
 531                 if self.marked_pos >= total_len:
 532                         self.marked_pos = total_len - 1
 533
 534         def addEndNotifier(self, notifier):
 535                 if self.endNotifier is None:
 536                         self.endNotifier = []
 537                 self.endNotifier.append(notifier)
 538
 539         def handleKey(self, key):
 540                 if key == KEY_LEFT:
 541                         self.marked_pos -= 1
 542                         self.validatePos()
 543
 544                 elif key == KEY_RIGHT:
 545                         self.marked_pos += 1
 546                         self.validatePos()
 547
 548                 elif key == KEY_HOME:
 549                         self.marked_pos = 0
 550                         self.validatePos()
 551
 552                 elif key == KEY_END:
 553                         max_pos = 0
 554                         num = 0
 555                         for i in self._value:
 556                                 max_pos += len(str(self.limits[num][1]))
 557                                 num += 1
 558                         self.marked_pos = max_pos - 1
 559                         self.validatePos()
 560
 561                 elif key in KEY_NUMBERS or key == KEY_ASCII:
 562                         if key == KEY_ASCII:
 563                                 code = getPrevAsciiCode()
 564                                 if code < 48 or code > 57:
 565                                         return
 566                                 number = code - 48
 567                         else:
 568                                 number = getKeyNumber(key)
 569
 570                         block_len = [len(str(x[1])) for x in self.limits]
 571                         total_len = sum(block_len)
 572
 573                         pos = 0
 574                         blocknumber = 0
 575                         block_len_total = [0, ]
 576                         for x in block_len:
 577                                 pos += block_len[blocknumber]
 578                                 block_len_total.append(pos)
 579                                 if pos - 1 >= self.marked_pos:
 580                                         pass
 581                                 else:
 582                                         blocknumber += 1
 583
 584                         # length of numberblock
 585                         number_len = len(str(self.limits[blocknumber][1]))
 586
 587                         # position in the block
 588                         posinblock = self.marked_pos - block_len_total[blocknumber]
 589
 590                         oldvalue = self._value[blocknumber]
 591                         olddec = oldvalue % 10 ** (number_len - posinblock) - (oldvalue % 10 ** (number_len - posinblock - 1))
 592                         newvalue = oldvalue - olddec + (10 ** (number_len - posinblock - 1) * number)
 593
 594                         self._value[blocknumber] = newvalue
 595                         self.marked_pos += 1
 596
 597                         self.validate()
 598                         self.changed()
 599
 600         def genText(self):
 601                 value = ""
 602                 mPos = self.marked_pos
 603                 num = 0;
 604                 for i in self._value:
 605                         if value:       #fixme no heading separator possible
 606                                 value += self.seperator
 607                                 if mPos >= len(value) - 1:
 608                                         mPos += 1
 609                         if self.censor_char == "":
 610                                 value += ("%0" + str(len(str(self.limits[num][1]))) + "d") % i
 611                         else:
 612                                 value += (self.censor_char * len(str(self.limits[num][1])))
 613                         num += 1
 614                 return (value, mPos)
 615
 616         def getText(self):
 617                 (value, mPos) = self.genText()
 618                 return value
 619
 620         def getMulti(self, selected):
 621                 (value, mPos) = self.genText()
 622                         # only mark cursor when we are selected
 623                         # (this code is heavily ink optimized!)
 624                 if self.enabled:
 625                         return ("mtext"[1-selected:], value, [mPos])
 626                 else:
 627                         return ("text", value)
 628
 629         def tostring(self, val):
 630                 return self.seperator.join([self.saveSingle(x) for x in val])
 631
 632         def saveSingle(self, v):
 633                 return str(v)
 634
 635         def fromstring(self, value):
 636                 return [int(x) for x in value.split(self.seperator)]
 637
 638         def onDeselect(self, session):
 639                 if self.last_value != self._value:
 640                         self.changedFinal()
 641                         self.last_value = copy_copy(self._value)
 642
 643 ip_limits = [(0,255),(0,255),(0,255),(0,255)]
 644 class ConfigIP(ConfigSequence):
 645         def __init__(self, default, auto_jump = False):
 646                 ConfigSequence.__init__(self, seperator = ".", limits = ip_limits, default = default)
 647                 self.block_len = [len(str(x[1])) for x in self.limits]
 648                 self.marked_block = 0
 649                 self.overwrite = True
 650                 self.auto_jump = auto_jump
 651
 652         def handleKey(self, key):
 653                 if key == KEY_LEFT:
 654                         if self.marked_block > 0:
 655                                 self.marked_block -= 1
 656                         self.overwrite = True
 657
 658                 elif key == KEY_RIGHT:
 659                         if self.marked_block < len(self.limits)-1:
 660                                 self.marked_block += 1
 661                         self.overwrite = True
 662
 663                 elif key == KEY_HOME:
 664                         self.marked_block = 0
 665                         self.overwrite = True
 666
 667                 elif key == KEY_END:
 668                         self.marked_block = len(self.limits)-1
 669                         self.overwrite = True
 670
 671                 elif key in KEY_NUMBERS or key == KEY_ASCII:
 672                         if key == KEY_ASCII:
 673                                 code = getPrevAsciiCode()
 674                                 if code < 48 or code > 57:
 675                                         return
 676                                 number = code - 48
 677                         else:
 678                                 number = getKeyNumber(key)
 679                         oldvalue = self._value[self.marked_block]
 680
 681                         if self.overwrite:
 682                                 self._value[self.marked_block] = number
 683                                 self.overwrite = False
 684                         else:
 685                                 oldvalue *= 10
 686                                 newvalue = oldvalue + number
 687                                 if self.auto_jump and newvalue > self.limits[self.marked_block][1] and self.marked_block < len(self.limits)-1:
 688                                         self.handleKey(KEY_RIGHT)
 689                                         self.handleKey(key)
 690                                         return
 691                                 else:
 692                                         self._value[self.marked_block] = newvalue
 693
 694                         if len(str(self._value[self.marked_block])) >= self.block_len[self.marked_block]:
 695                                 self.handleKey(KEY_RIGHT)
 696
 697                         self.validate()
 698                         self.changed()
 699
 700         def genText(self):
 701                 value = ""
 702                 block_strlen = []
 703                 for i in self._value:
 704                         block_strlen.append(len(str(i)))
 705                         if value:
 706                                 value += self.seperator
 707                         value += str(i)
 708                 leftPos = sum(block_strlen[:(self.marked_block)])+self.marked_block
 709                 rightPos = sum(block_strlen[:(self.marked_block+1)])+self.marked_block
 710                 mBlock = range(leftPos, rightPos)
 711                 return (value, mBlock)
 712
 713         def getMulti(self, selected):
 714                 (value, mBlock) = self.genText()
 715                 if self.enabled:
 716                         return ("mtext"[1-selected:], value, mBlock)
 717                 else:
 718                         return ("text", value)
 719
 720         def getHTML(self, id):
 721                 # we definitely don't want leading zeros
 722                 return '.'.join(["%d" % d for d in self.value])
 723
 724 mac_limits = [(1,255),(1,255),(1,255),(1,255),(1,255),(1,255)]
 725 class ConfigMAC(ConfigSequence):
 726         def __init__(self, default):
 727                 ConfigSequence.__init__(self, seperator = ":", limits = mac_limits, default = default)
 728
 729 class ConfigPosition(ConfigSequence):
 730         def __init__(self, default, args):
 731                 ConfigSequence.__init__(self, seperator = ",", limits = [(0,args[0]),(0,args[1]),(0,args[2]),(0,args[3])], default = default)
 732
 733 clock_limits = [(0,23),(0,59)]
 734 class ConfigClock(ConfigSequence):
 735         def __init__(self, default):
 736                 t = localtime(default)
 737                 ConfigSequence.__init__(self, seperator = ":", limits = clock_limits, default = [t.tm_hour, t.tm_min])
 738
 739         def increment(self):
 740                 # Check if Minutes maxed out
 741                 if self._value[1] == 59:
 742                         # Increment Hour, reset Minutes
 743                         if self._value[0] < 23:
 744                                 self._value[0] += 1
 745                         else:
 746                                 self._value[0] = 0
 747                         self._value[1] = 0
 748                 else:
 749                         # Increment Minutes
 750                         self._value[1] += 1
 751                 # Trigger change
 752                 self.changed()
 753
 754         def decrement(self):
 755                 # Check if Minutes is minimum
 756                 if self._value[1] == 0:
 757                         # Decrement Hour, set Minutes to 59
 758                         if self._value[0] > 0:
 759                                 self._value[0] -= 1
 760                         else:
 761                                 self._value[0] = 23
 762                         self._value[1] = 59
 763                 else:
 764                         # Decrement Minutes
 765                         self._value[1] -= 1
 766                 # Trigger change
 767                 self.changed()
 768
 769 integer_limits = (0, 9999999999)
 770 class ConfigInteger(ConfigSequence):
 771         def __init__(self, default, limits = integer_limits):
 772                 ConfigSequence.__init__(self, seperator = ":", limits = [limits], default = default)
 773
 774         # you need to override this to do input validation
 775         def setValue(self, value):
 776                 self._value = [value]
 777                 self.changed()
 778
 779         def getValue(self):
 780                 return self._value[0]
 781
 782         value = property(getValue, setValue)
 783
 784         def fromstring(self, value):
 785                 return int(value)
 786
 787         def tostring(self, value):
 788                 return str(value)
 789
 790 class ConfigPIN(ConfigInteger):
 791         def __init__(self, default, len = 4, censor = ""):
 792                 assert isinstance(default, int), "ConfigPIN default must be an integer"
 793                 if default == -1:
 794                         default = "aaaa"
 795                 ConfigSequence.__init__(self, seperator = ":", limits = [(0, (10**len)-1)], censor_char = censor, default = default)
 796                 self.len = len
 797
 798         def getLength(self):
 799                 return self.len
 800
 801 class ConfigFloat(ConfigSequence):
 802         def __init__(self, default, limits):
 803                 ConfigSequence.__init__(self, seperator = ".", limits = limits, default = default)
 804
 805         def getFloat(self):
 806                 return float(self.value[1] / float(self.limits[1][1] + 1) + self.value[0])
 807
 808         float = property(getFloat)
 809
 810 #### vuplus
 811 #Normal, LShift(42), RAlt(100), LShift+RAlt(100+42)/LArt(56)
 812 vukeymap_us_de = {
 813           "2":[u"1", u"!", None, None]
 814         , "3":[u"2", u"@", None, None]
 815         , "4":[u"3", u"#", None, '\xc2\xa3']
 816         , "5":[u"4", u"$", '\xc3\xa7', None]
 817         , "6":[u"5", u"%", '\xc3\xbc', '\xe2\x82\xac']
 818         , "7":[u"6", u"^", '\xc3\xb6', None]
 819         , "8":[u"7", u"&", '\xc3\xa4', None]
 820         , "9":[u"8", u"*", '\xc3\xa0', None]
 821         ,"10":[u"9", u"(", '\xc3\xa8', None]
 822         ,"11":[u"0", u")", '\xc3\xa9', None]
 823         ,"12":[u"-", u"_", None, None]
 824         ,"13":[u"=", u"+", "~", None]
 825         ,"16":[u"q", u"Q", None, None]
 826         ,"17":[u"w", u"W", None, None]
 827         ,"18":[u"e", u"E", '\xe2\x82\xac', None]
 828         ,"19":[u"r", u"R", None, None]
 829         ,"20":[u"t", u"T", None, None]
 830         ,"21":[u"y", u"Y", None, None]
 831         ,"22":[u"u", u"U", None, None]
 832         ,"23":[u"i", u"I", None, None]
 833         ,"24":[u"o", u"O", None, None]
 834         ,"25":[u"p", u"P", None, None]
 835         ,"26":[u"[", u"{", None, None]
 836         ,"27":[u"]", u"}", None, None]
 837         ,"30":[u"a", u"A", None, None]
 838         ,"31":[u"s", u"S", '\xc3\x9f', None]
 839         ,"32":[u"d", u"D", None, None]
 840         ,"33":[u"f", u"F", None, None]
 841         ,"34":[u"g", u"G", None, None]
 842         ,"35":[u"h", u"H", None, None]
 843         ,"36":[u"j", u"J", None, None]
 844         ,"37":[u"k", u"K", None, None]
 845         ,"38":[u"l", u"L", None, None]
 846         ,"39":[u";", u":", None, None]
 847         ,"40":[u"\'", u"\"", None, None]
 848         ,"41":['\xc2\xa7', '\xc2\xb0', '\xc2\xac', None]
 849         ,"43":[u"\\", u"|", None, None]
 850         ,"44":[u"z", u"Z", None, u"<"]
 851         ,"45":[u"x", u"X", None, u">"]
 852         ,"46":[u"c", u"C", '\xc2\xa2', None]
 853         ,"47":[u"v", u"V", None, None]
 854         ,"48":[u"b", u"B", None, None]
 855         ,"49":[u"n", u"N", None, None]
 856         ,"50":[u"m", u"M", '\xc2\xb5', None]
 857         ,"51":[u",", "<", None, None]
 858         ,"52":[u".", ">", None, None]
 859         ,"53":[u"/", u"?", None, None]
 860 }
 861 vumapidx = 0
 862 vukeymap = vukeymap_us_de
 863 rckeyboard_enable = False
 864 if file("/proc/stb/info/vumodel").read().strip() == "ultimo":
 865         rckeyboard_enable = True
 866
 867 def getCharValue(code):
 868         global vumapidx
 869         global vukeymap
 870         global rckeyboard_enable
 871         #print "code : %d, mapidx : %d"%(code, vumapidx)
 872         if rckeyboard_enable:
 873                 if code == 0:
 874                         vumapidx = 0
 875                         return None
 876                 elif code == 42:
 877                         vumapidx += 1
 878                         return None
 879                 elif code == 56:
 880                         vumapidx += 3
 881                         return None
 882                 elif code == 100:
 883                         vumapidx += 2
 884                         return None
 885                 try:
 886                         return vukeymap[str(code)][vumapidx]
 887                 except:
 888                         return None
 889         else:
 890                 return unichr(getPrevAsciiCode())
 891 #### vuplus
 892
 893 # an editable text...
 894 class ConfigText(ConfigElement, NumericalTextInput):
 895         def __init__(self, default = "", fixed_size = True, visible_width = False):
 896                 ConfigElement.__init__(self)
 897                 NumericalTextInput.__init__(self, nextFunc = self.nextFunc, handleTimeout = False)
 898
 899                 self.marked_pos = 0
 900                 self.allmarked = (default != "")
 901                 self.fixed_size = fixed_size
 902                 self.visible_width = visible_width
 903                 self.offset = 0
 904                 self.overwrite = fixed_size
 905                 self.help_window = None
 906                 self.value = self.last_value = self.default = default
 907
 908         def validateMarker(self):
 909                 textlen = len(self.text)
 910                 if self.fixed_size:
 911                         if self.marked_pos > textlen-1:
 912                                 self.marked_pos = textlen-1
 913                 else:
 914                         if self.marked_pos > textlen:
 915                                 self.marked_pos = textlen
 916                 if self.marked_pos < 0:
 917                         self.marked_pos = 0
 918                 if self.visible_width:
 919                         if self.marked_pos < self.offset:
 920                                 self.offset = self.marked_pos
 921                         if self.marked_pos >= self.offset + self.visible_width:
 922                                 if self.marked_pos == textlen:
 923                                         self.offset = self.marked_pos - self.visible_width
 924                                 else:
 925                                         self.offset = self.marked_pos - self.visible_width + 1
 926                         if self.offset > 0 and self.offset + self.visible_width > textlen:
 927                                 self.offset = max(0, len - self.visible_width)
 928
 929         def insertChar(self, ch, pos, owr):
 930                 if owr or self.overwrite:
 931                         self.text = self.text[0:pos] + ch + self.text[pos + 1:]
 932                 elif self.fixed_size:
 933                         self.text = self.text[0:pos] + ch + self.text[pos:-1]
 934                 else:
 935                         self.text = self.text[0:pos] + ch + self.text[pos:]
 936
 937         def deleteChar(self, pos):
 938                 if not self.fixed_size:
 939                         self.text = self.text[0:pos] + self.text[pos + 1:]
 940                 elif self.overwrite:
 941                         self.text = self.text[0:pos] + " " + self.text[pos + 1:]
 942                 else:
 943                         self.text = self.text[0:pos] + self.text[pos + 1:] + " "
 944
 945         def deleteAllChars(self):
 946                 if self.fixed_size:
 947                         self.text = " " * len(self.text)
 948                 else:
 949                         self.text = ""
 950                 self.marked_pos = 0
 951
 952         def handleKey(self, key):
 953                 # this will no change anything on the value itself
 954                 # so we can handle it here in gui element
 955                 if key == KEY_DELETE:
 956                         self.timeout()
 957                         if self.allmarked:
 958                                 self.deleteAllChars()
 959                                 self.allmarked = False
 960                         else:
 961                                 self.deleteChar(self.marked_pos)
 962                                 if self.fixed_size and self.overwrite:
 963                                         self.marked_pos += 1
 964                 elif key == KEY_BACKSPACE:
 965                         self.timeout()
 966                         if self.allmarked:
 967                                 self.deleteAllChars()
 968                                 self.allmarked = False
 969                         elif self.marked_pos > 0:
 970                                 self.deleteChar(self.marked_pos-1)
 971                                 if not self.fixed_size and self.offset > 0:
 972                                         self.offset -= 1
 973                                 self.marked_pos -= 1
 974                 elif key == KEY_LEFT:
 975                         self.timeout()
 976                         if self.allmarked:
 977                                 self.marked_pos = len(self.text)
 978                                 self.allmarked = False
 979                         else:
 980                                 self.marked_pos -= 1
 981                 elif key == KEY_RIGHT:
 982                         self.timeout()
 983                         if self.allmarked:
 984                                 self.marked_pos = 0
 985                                 self.allmarked = False
 986                         else:
 987                                 self.marked_pos += 1
 988                 elif key == KEY_HOME:
 989                         self.timeout()
 990                         self.allmarked = False
 991                         self.marked_pos = 0
 992                 elif key == KEY_END:
 993                         self.timeout()
 994                         self.allmarked = False
 995                         self.marked_pos = len(self.text)
 996                 elif key == KEY_TOGGLEOW:
 997                         self.timeout()
 998                         self.overwrite = not self.overwrite
 999                 elif key == KEY_ASCII:
1000                         self.timeout()
1001                         #### vuplus
1002                         #newChar = unichr(getPrevAsciiCode())
1003                         #if not self.useableChars or newChar in self.useableChars:
1004                         newChar = getCharValue(getPrevAsciiCode())
1005                         if (newChar is not None) and (not self.useableChars or newChar in self.useableChars):
1006                                 #### vuplus
1007                                 if self.allmarked:
1008                                         self.deleteAllChars()
1009                                         self.allmarked = False
1010                                 self.insertChar(newChar, self.marked_pos, False)
1011                                 self.marked_pos += 1
1012                 elif key in KEY_NUMBERS:
1013                         owr = self.lastKey == getKeyNumber(key)
1014                         newChar = self.getKey(getKeyNumber(key))
1015                         if self.allmarked:
1016                                 self.deleteAllChars()
1017                                 self.allmarked = False
1018                         self.insertChar(newChar, self.marked_pos, owr)
1019                 elif key == KEY_TIMEOUT:
1020                         self.timeout()
1021                         if self.help_window:
1022                                 self.help_window.update(self)
1023                         return
1024
1025                 if self.help_window:
1026                         self.help_window.update(self)
1027                 self.validateMarker()
1028                 self.changed()
1029
1030         def nextFunc(self):
1031                 self.marked_pos += 1
1032                 self.validateMarker()
1033                 self.changed()
1034
1035         def getValue(self):
1036                 return self.text.encode("utf-8")
1037
1038         def setValue(self, val):
1039                 try:
1040                         self.text = val.decode("utf-8")
1041                 except UnicodeDecodeError:
1042                         self.text = val.decode("utf-8", "ignore")
1043                         print "Broken UTF8!"
1044
1045         value = property(getValue, setValue)
1046         _value = property(getValue, setValue)
1047
1048         def getText(self):
1049                 return self.text.encode("utf-8")
1050
1051         def getMulti(self, selected):
1052                 if self.visible_width:
1053                         if self.allmarked:
1054                                 mark = range(0, min(self.visible_width, len(self.text)))
1055                         else:
1056                                 mark = [self.marked_pos-self.offset]
1057                         return ("mtext"[1-selected:], self.text[self.offset:self.offset+self.visible_width].encode("utf-8")+" ", mark)
1058                 else:
1059                         if self.allmarked:
1060                                 mark = range(0, len(self.text))
1061                         else:
1062                                 mark = [self.marked_pos]
1063                         return ("mtext"[1-selected:], self.text.encode("utf-8")+" ", mark)
1064
1065         def onSelect(self, session):
1066                 self.allmarked = (self.value != "")
1067                 if session is not None:
1068                         from Screens.NumericalTextInputHelpDialog import NumericalTextInputHelpDialog
1069                         self.help_window = session.instantiateDialog(NumericalTextInputHelpDialog, self)
1070                         self.help_window.show()
1071
1072         def onDeselect(self, session):
1073                 self.marked_pos = 0
1074                 self.offset = 0
1075                 if self.help_window:
1076                         session.deleteDialog(self.help_window)
1077                         self.help_window = None
1078                 if not self.last_value == self.value:
1079                         self.changedFinal()
1080                         self.last_value = self.value
1081
1082         def getHTML(self, id):
1083                 return '<input type="text" name="' + id + '" value="' + self.value + '" /><br>\n'
1084
1085         def unsafeAssign(self, value):
1086                 self.value = str(value)
1087
1088 class ConfigPassword(ConfigText):
1089         def __init__(self, default = "", fixed_size = False, visible_width = False, censor = "*"):
1090                 ConfigText.__init__(self, default = default, fixed_size = fixed_size, visible_width = visible_width)
1091                 self.censor_char = censor
1092                 self.hidden = True
1093
1094         def getMulti(self, selected):
1095                 mtext, text, mark = ConfigText.getMulti(self, selected)
1096                 if self.hidden:
1097                         text = len(text) * self.censor_char
1098                 return (mtext, text, mark)
1099
1100         def onSelect(self, session):
1101                 ConfigText.onSelect(self, session)
1102                 self.hidden = False
1103
1104         def onDeselect(self, session):
1105                 ConfigText.onDeselect(self, session)
1106                 self.hidden = True
1107
1108 # lets the user select between [min, min+stepwidth, min+(stepwidth*2)..., maxval] with maxval <= max depending
1109 # on the stepwidth
1110 # min, max, stepwidth, default are int values
1111 # wraparound: pressing RIGHT key at max value brings you to min value and vice versa if set to True
1112 class ConfigSelectionNumber(ConfigSelection):
1113         def __init__(self, min, max, stepwidth, default = None, wraparound = False):
1114                 self.wraparound = wraparound
1115                 if default is None:
1116                         default = min
1117                 default = str(default)
1118                 choices = []
1119                 step = min
1120                 while step <= max:
1121                         choices.append(str(step))
1122                         step += stepwidth
1123
1124                 ConfigSelection.__init__(self, choices, default)
1125
1126         def getValue(self):
1127                 return int(ConfigSelection.getValue(self))
1128
1129         def setValue(self, val):
1130                 ConfigSelection.setValue(self, str(val))
1131
1132         def handleKey(self, key):
1133                 if not self.wraparound:
1134                         if key == KEY_RIGHT:
1135                                 if len(self.choices) == (self.choices.index(self.value) + 1):
1136                                         return
1137                         if key == KEY_LEFT:
1138                                 if self.choices.index(self.value) == 0:
1139                                         return
1140                 ConfigSelection.handleKey(self, key)
1141
1142 class ConfigNumber(ConfigText):
1143         def __init__(self, default = 0):
1144                 ConfigText.__init__(self, str(default), fixed_size = False)
1145
1146         def getValue(self):
1147                 return int(self.text)
1148
1149         def setValue(self, val):
1150                 self.text = str(val)
1151
1152         value = property(getValue, setValue)
1153         _value = property(getValue, setValue)
1154
1155         def isChanged(self):
1156                 sv = self.saved_value
1157                 strv = self.tostring(self.value)
1158                 if sv is None and strv == self.default:
1159                         return False
1160                 return strv != sv
1161
1162         def conform(self):
1163                 pos = len(self.text) - self.marked_pos
1164                 self.text = self.text.lstrip("0")
1165                 if self.text == "":
1166                         self.text = "0"
1167                 if pos > len(self.text):
1168                         self.marked_pos = 0
1169                 else:
1170                         self.marked_pos = len(self.text) - pos
1171
1172         def handleKey(self, key):
1173                 if key in KEY_NUMBERS or key == KEY_ASCII:
1174                         if key == KEY_ASCII:
1175                                 ascii = getPrevAsciiCode()
1176                                 if not (48 <= ascii <= 57):
1177                                         return
1178                         else:
1179                                 ascii = getKeyNumber(key) + 48
1180                         newChar = unichr(ascii)
1181                         if self.allmarked:
1182                                 self.deleteAllChars()
1183                                 self.allmarked = False
1184                         self.insertChar(newChar, self.marked_pos, False)
1185                         self.marked_pos += 1
1186                 else:
1187                         ConfigText.handleKey(self, key)
1188                 self.conform()
1189
1190         def onSelect(self, session):
1191                 self.allmarked = (self.value != "")
1192
1193         def onDeselect(self, session):
1194                 self.marked_pos = 0
1195                 self.offset = 0
1196                 if not self.last_value == self.value:
1197                         self.changedFinal()
1198                         self.last_value = self.value
1199
1200 class ConfigSearchText(ConfigText):
1201         def __init__(self, default = "", fixed_size = False, visible_width = False):
1202                 ConfigText.__init__(self, default = default, fixed_size = fixed_size, visible_width = visible_width)
1203                 NumericalTextInput.__init__(self, nextFunc = self.nextFunc, handleTimeout = False, search = True)
1204
1205 class ConfigDirectory(ConfigText):
1206         def __init__(self, default="", visible_width=60):
1207                 ConfigText.__init__(self, default, fixed_size = True, visible_width = visible_width)
1208
1209         def handleKey(self, key):
1210                 pass
1211
1212         def getValue(self):
1213                 if self.text == "":
1214                         return None
1215                 else:
1216                         return ConfigText.getValue(self)
1217
1218         def setValue(self, val):
1219                 if val == None:
1220                         val = ""
1221                 ConfigText.setValue(self, val)
1222
1223         def getMulti(self, selected):
1224                 if self.text == "":
1225                         return ("mtext"[1-selected:], _("List of Storage Devices"), range(0))
1226                 else:
1227                         return ConfigText.getMulti(self, selected)
1228
1229         def onSelect(self, session):
1230                 self.allmarked = (self.value != "")
1231
1232 # a slider.
1233 class ConfigSlider(ConfigElement):
1234         def __init__(self, default = 0, increment = 1, limits = (0, 100)):
1235                 ConfigElement.__init__(self)
1236                 self.value = self.last_value = self.default = default
1237                 self.min = limits[0]
1238                 self.max = limits[1]
1239                 self.increment = increment
1240
1241         def checkValues(self):
1242                 if self.value < self.min:
1243                         self.value = self.min
1244
1245                 if self.value > self.max:
1246                         self.value = self.max
1247
1248         def handleKey(self, key):
1249                 if key == KEY_LEFT:
1250                         self.value -= self.increment
1251                 elif key == KEY_RIGHT:
1252                         self.value += self.increment
1253                 elif key == KEY_HOME:
1254                         self.value = self.min
1255                 elif key == KEY_END:
1256                         self.value = self.max
1257                 else:
1258                         return
1259                 self.checkValues()
1260
1261         def getText(self):
1262                 return "%d / %d" % (self.value, self.max)
1263
1264         def getMulti(self, selected):
1265                 self.checkValues()
1266                 return ("slider", self.value, self.max)
1267
1268         def fromstring(self, value):
1269                 return int(value)
1270
1271 # a satlist. in fact, it's a ConfigSelection.
1272 class ConfigSatlist(ConfigSelection):
1273         def __init__(self, list, default = None):
1274                 if default is not None:
1275                         default = str(default)
1276                 ConfigSelection.__init__(self, choices = [(str(orbpos), desc) for (orbpos, desc, flags) in list], default = default)
1277
1278         def getOrbitalPosition(self):
1279                 if self.value == "":
1280                         return None
1281                 return int(self.value)
1282
1283         orbital_position = property(getOrbitalPosition)
1284
1285 class ConfigSet(ConfigElement):
1286         def __init__(self, choices, default = []):
1287                 ConfigElement.__init__(self)
1288                 if isinstance(choices, list):
1289                         choices.sort()
1290                         self.choices = choicesList(choices, choicesList.LIST_TYPE_LIST)
1291                 else:
1292                         assert False, "ConfigSet choices must be a list!"
1293                 if default is None:
1294                         default = []
1295                 self.pos = -1
1296                 default.sort()
1297                 self.last_value = self.default = default
1298                 self.value = default[:]
1299
1300         def toggleChoice(self, choice):
1301                 value = self.value
1302                 if choice in value:
1303                         value.remove(choice)
1304                 else:
1305                         value.append(choice)
1306                         value.sort()
1307                 self.changed()
1308
1309         def handleKey(self, key):
1310                 if key in KEY_NUMBERS + [KEY_DELETE, KEY_BACKSPACE]:
1311                         if self.pos != -1:
1312                                 self.toggleChoice(self.choices[self.pos])
1313                 elif key == KEY_LEFT:
1314                         if self.pos < 0:
1315                                 self.pos = len(self.choices)-1
1316                         else:
1317                                 self.pos -= 1
1318                 elif key == KEY_RIGHT:
1319                         if self.pos >= len(self.choices)-1:
1320                                 self.pos = -1
1321                         else:
1322                                 self.pos += 1
1323                 elif key in (KEY_HOME, KEY_END):
1324                         self.pos = -1
1325
1326         def genString(self, lst):
1327                 res = ""
1328                 for x in lst:
1329                         res += self.description[x]+" "
1330                 return res
1331
1332         def getText(self):
1333                 return self.genString(self.value)
1334
1335         def getMulti(self, selected):
1336                 if not selected or self.pos == -1:
1337                         return ("text", self.genString(self.value))
1338                 else:
1339                         tmp = self.value[:]
1340                         ch = self.choices[self.pos]
1341                         mem = ch in self.value
1342                         if not mem:
1343                                 tmp.append(ch)
1344                                 tmp.sort()
1345                         ind = tmp.index(ch)
1346                         val1 = self.genString(tmp[:ind])
1347                         val2 = " "+self.genString(tmp[ind+1:])
1348                         if mem:
1349                                 chstr = " "+self.description[ch]+" "
1350                         else:
1351                                 chstr = "("+self.description[ch]+")"
1352                         len_val1 = len(val1)
1353                         return ("mtext", val1+chstr+val2, range(len_val1, len_val1 + len(chstr)))
1354
1355         def onDeselect(self, session):
1356                 self.pos = -1
1357                 if not self.last_value == self.value:
1358                         self.changedFinal()
1359                         self.last_value = self.value[:]
1360
1361         def tostring(self, value):
1362                 return str(value)
1363
1364         def fromstring(self, val):
1365                 return eval(val)
1366
1367         description = property(lambda self: descriptionList(self.choices.choices, choicesList.LIST_TYPE_LIST))
1368
1369 class ConfigLocations(ConfigElement):
1370         def __init__(self, default = [], visible_width = False):
1371                 ConfigElement.__init__(self)
1372                 self.visible_width = visible_width
1373                 self.pos = -1
1374                 self.default = default
1375                 self.locations = []
1376                 self.mountpoints = []
1377                 self.value = default[:]
1378
1379         def setValue(self, value):
1380                 locations = self.locations
1381                 loc = [x[0] for x in locations if x[3]]
1382                 add = [x for x in value if not x in loc]
1383                 diff = add + [x for x in loc if not x in value]
1384                 locations = [x for x in locations if not x[0] in diff] + [[x, self.getMountpoint(x), True, True] for x in add]
1385                 locations.sort(key = lambda x: x[0])
1386                 self.locations = locations
1387                 self.changed()
1388
1389         def getValue(self):
1390                 self.checkChangedMountpoints()
1391                 locations = self.locations
1392                 for x in locations:
1393                         x[3] = x[2]
1394                 return [x[0] for x in locations if x[3]]
1395
1396         value = property(getValue, setValue)
1397
1398         def tostring(self, value):
1399                 return str(value)
1400
1401         def fromstring(self, val):
1402                 return eval(val)
1403
1404         def load(self):
1405                 sv = self.saved_value
1406                 if sv is None:
1407                         tmp = self.default
1408                 else:
1409                         tmp = self.fromstring(sv)
1410                 locations = [[x, None, False, False] for x in tmp]
1411                 self.refreshMountpoints()
1412                 for x in locations:
1413                         if fileExists(x[0]):
1414                                 x[1] = self.getMountpoint(x[0])
1415                                 x[2] = True
1416                 self.locations = locations
1417
1418         def save(self):
1419                 locations = self.locations
1420                 if self.save_disabled or not locations:
1421                         self.saved_value = None
1422                 else:
1423                         self.saved_value = self.tostring([x[0] for x in locations])
1424
1425         def isChanged(self):
1426                 sv = self.saved_value
1427                 locations = self.locations
1428                 if val is None and not locations:
1429                         return False
1430                 return self.tostring([x[0] for x in locations]) != sv
1431
1432         def addedMount(self, mp):
1433                 for x in self.locations:
1434                         if x[1] == mp:
1435                                 x[2] = True
1436                         elif x[1] == None and fileExists(x[0]):
1437                                 x[1] = self.getMountpoint(x[0])
1438                                 x[2] = True
1439
1440         def removedMount(self, mp):
1441                 for x in self.locations:
1442                         if x[1] == mp:
1443                                 x[2] = False
1444
1445         def refreshMountpoints(self):
1446                 self.mountpoints = [p.mountpoint for p in harddiskmanager.getMountedPartitions() if p.mountpoint != "/"]
1447                 self.mountpoints.sort(key = lambda x: -len(x))
1448
1449         def checkChangedMountpoints(self):
1450                 oldmounts = self.mountpoints
1451                 self.refreshMountpoints()
1452                 newmounts = self.mountpoints
1453                 if oldmounts == newmounts:
1454                         return
1455                 for x in oldmounts:
1456                         if not x in newmounts:
1457                                 self.removedMount(x)
1458                 for x in newmounts:
1459                         if not x in oldmounts:
1460                                 self.addedMount(x)
1461
1462         def getMountpoint(self, file):
1463                 file = os_path.realpath(file)+"/"
1464                 for m in self.mountpoints:
1465                         if file.startswith(m):
1466                                 return m
1467                 return None
1468
1469         def handleKey(self, key):
1470                 if key == KEY_LEFT:
1471                         self.pos -= 1
1472                         if self.pos < -1:
1473                                 self.pos = len(self.value)-1
1474                 elif key == KEY_RIGHT:
1475                         self.pos += 1
1476                         if self.pos >= len(self.value):
1477                                 self.pos = -1
1478                 elif key in (KEY_HOME, KEY_END):
1479                         self.pos = -1
1480
1481         def getText(self):
1482                 return " ".join(self.value)
1483
1484         def getMulti(self, selected):
1485                 if not selected:
1486                         valstr = " ".join(self.value)
1487                         if self.visible_width and len(valstr) > self.visible_width:
1488                                 return ("text", valstr[0:self.visible_width])
1489                         else:
1490                                 return ("text", valstr)
1491                 else:
1492                         i = 0
1493                         valstr = ""
1494                         ind1 = 0
1495                         ind2 = 0
1496                         for val in self.value:
1497                                 if i == self.pos:
1498                                         ind1 = len(valstr)
1499                                 valstr += str(val)+" "
1500                                 if i == self.pos:
1501                                         ind2 = len(valstr)
1502                                 i += 1
1503                         if self.visible_width and len(valstr) > self.visible_width:
1504                                 if ind1+1 < self.visible_width/2:
1505                                         off = 0
1506                                 else:
1507                                         off = min(ind1+1-self.visible_width/2, len(valstr)-self.visible_width)
1508                                 return ("mtext", valstr[off:off+self.visible_width], range(ind1-off,ind2-off))
1509                         else:
1510                                 return ("mtext", valstr, range(ind1,ind2))
1511
1512         def onDeselect(self, session):
1513                 self.pos = -1
1514
1515 # nothing.
1516 class ConfigNothing(ConfigSelection):
1517         def __init__(self):
1518                 ConfigSelection.__init__(self, choices = [("","")])
1519
1520 # until here, 'saved_value' always had to be a *string*.
1521 # now, in ConfigSubsection, and only there, saved_value
1522 # is a dict, essentially forming a tree.
1523 #
1524 # config.foo.bar=True
1525 # config.foobar=False
1526 #
1527 # turns into:
1528 # config.saved_value == {"foo": {"bar": "True"}, "foobar": "False"}
1529 #
1530
1531 class ConfigSubsectionContent(object):
1532         pass
1533
1534 # we store a backup of the loaded configuration
1535 # data in self.stored_values, to be able to deploy
1536 # them when a new config element will be added,
1537 # so non-default values are instantly available
1538
1539 # A list, for example:
1540 # config.dipswitches = ConfigSubList()
1541 # config.dipswitches.append(ConfigYesNo())
1542 # config.dipswitches.append(ConfigYesNo())
1543 # config.dipswitches.append(ConfigYesNo())
1544 class ConfigSubList(list, object):
1545         def __init__(self):
1546                 list.__init__(self)
1547                 self.stored_values = {}
1548
1549         def save(self):
1550                 for x in self:
1551                         x.save()
1552
1553         def load(self):
1554                 for x in self:
1555                         x.load()
1556
1557         def getSavedValue(self):
1558                 res = { }
1559                 for i, val in enumerate(self):
1560                         sv = val.saved_value
1561                         if sv is not None:
1562                                 res[str(i)] = sv
1563                 return res
1564
1565         def setSavedValue(self, values):
1566                 self.stored_values = dict(values)
1567                 for (key, val) in self.stored_values.items():
1568                         if int(key) < len(self):
1569                                 self[int(key)].saved_value = val
1570
1571         saved_value = property(getSavedValue, setSavedValue)
1572
1573         def append(self, item):
1574                 i = str(len(self))
1575                 list.append(self, item)
1576                 if i in self.stored_values:
1577                         item.saved_value = self.stored_values[i]
1578                         item.load()
1579
1580         def dict(self):
1581                 return dict([(str(index), value) for index, value in enumerate(self)])
1582
1583 # same as ConfigSubList, just as a dictionary.
1584 # care must be taken that the 'key' has a proper
1585 # str() method, because it will be used in the config
1586 # file.
1587 class ConfigSubDict(dict, object):
1588         def __init__(self):
1589                 dict.__init__(self)
1590                 self.stored_values = {}
1591
1592         def save(self):
1593                 for x in self.values():
1594                         x.save()
1595
1596         def load(self):
1597                 for x in self.values():
1598                         x.load()
1599
1600         def getSavedValue(self):
1601                 res = {}
1602                 for (key, val) in self.items():
1603                         sv = val.saved_value
1604                         if sv is not None:
1605                                 res[str(key)] = sv
1606                 return res
1607
1608         def setSavedValue(self, values):
1609                 self.stored_values = dict(values)
1610                 for (key, val) in self.items():
1611                         if str(key) in self.stored_values:
1612                                 val.saved_value = self.stored_values[str(key)]
1613
1614         saved_value = property(getSavedValue, setSavedValue)
1615
1616         def __setitem__(self, key, item):
1617                 dict.__setitem__(self, key, item)
1618                 if str(key) in self.stored_values:
1619                         item.saved_value = self.stored_values[str(key)]
1620                         item.load()
1621
1622         def dict(self):
1623                 return self
1624
1625 # Like the classes above, just with a more "native"
1626 # syntax.
1627 #
1628 # some evil stuff must be done to allow instant
1629 # loading of added elements. this is why this class
1630 # is so complex.
1631 #
1632 # we need the 'content' because we overwrite
1633 # __setattr__.
1634 # If you don't understand this, try adding
1635 # __setattr__ to a usual exisiting class and you will.
1636 class ConfigSubsection(object):
1637         def __init__(self):
1638                 self.__dict__["content"] = ConfigSubsectionContent()
1639                 self.content.items = { }
1640                 self.content.stored_values = { }
1641
1642         def __setattr__(self, name, value):
1643                 if name == "saved_value":
1644                         return self.setSavedValue(value)
1645                 assert isinstance(value, (ConfigSubsection, ConfigElement, ConfigSubList, ConfigSubDict)), "ConfigSubsections can only store ConfigSubsections, ConfigSubLists, ConfigSubDicts or ConfigElements"
1646                 content = self.content
1647                 content.items[name] = value
1648                 x = content.stored_values.get(name, None)
1649                 if x is not None:
1650                         #print "ok, now we have a new item,", name, "and have the following value for it:", x
1651                         value.saved_value = x
1652                         value.load()
1653
1654         def __getattr__(self, name):
1655                 return self.content.items[name]
1656
1657         def getSavedValue(self):
1658                 res = self.content.stored_values
1659                 for (key, val) in self.content.items.items():
1660                         sv = val.saved_value
1661                         if sv is not None:
1662                                 res[key] = sv
1663                         elif key in res:
1664                                 del res[key]
1665                 return res
1666
1667         def setSavedValue(self, values):
1668                 values = dict(values)
1669                 self.content.stored_values = values
1670                 for (key, val) in self.content.items.items():
1671                         value = values.get(key, None)
1672                         if value is not None:
1673                                 val.saved_value = value
1674
1675         saved_value = property(getSavedValue, setSavedValue)
1676
1677         def save(self):
1678                 for x in self.content.items.values():
1679                         x.save()
1680
1681         def load(self):
1682                 for x in self.content.items.values():
1683                         x.load()
1684
1685         def dict(self):
1686                 return self.content.items
1687
1688 # the root config object, which also can "pickle" (=serialize)
1689 # down the whole config tree.
1690 #
1691 # we try to keep non-existing config entries, to apply them whenever
1692 # a new config entry is added to a subsection
1693 # also, non-existing config entries will be saved, so they won't be
1694 # lost when a config entry disappears.
1695 class Config(ConfigSubsection):
1696         def __init__(self):
1697                 ConfigSubsection.__init__(self)
1698
1699         def pickle_this(self, prefix, topickle, result):
1700                 for (key, val) in topickle.items():
1701                         name = '.'.join((prefix, key))
1702                         if isinstance(val, dict):
1703                                 self.pickle_this(name, val, result)
1704                         elif isinstance(val, tuple):
1705                                 result += [name, '=', val[0], '\n']
1706                         else:
1707                                 result += [name, '=', val, '\n']
1708
1709         def pickle(self):
1710                 result = []
1711                 self.pickle_this("config", self.saved_value, result)
1712                 return ''.join(result)
1713
1714         def unpickle(self, lines, base_file=True):
1715                 tree = { }
1716                 for l in lines:
1717                         if not l or l[0] == '#':
1718                                 continue
1719
1720                         n = l.find('=')
1721                         name = l[:n]
1722                         val = l[n+1:].strip()
1723
1724                         names = name.split('.')
1725 #                       if val.find(' ') != -1:
1726 #                               val = val[:val.find(' ')]
1727
1728                         base = tree
1729
1730                         for n in names[:-1]:
1731                                 base = base.setdefault(n, {})
1732
1733                         base[names[-1]] = val
1734
1735                         if not base_file: # not the initial config file..
1736                                 #update config.x.y.value when exist
1737                                 try:
1738                                         configEntry = eval(name)
1739                                         if configEntry is not None:
1740                                                 configEntry.value = val
1741                                 except (SyntaxError, KeyError):
1742                                         pass
1743
1744                 # we inherit from ConfigSubsection, so ...
1745                 #object.__setattr__(self, "saved_value", tree["config"])
1746                 if "config" in tree:
1747                         self.setSavedValue(tree["config"])
1748
1749         def saveToFile(self, filename):
1750                 text = self.pickle()
1751                 try:
1752                         f = open(filename, "w")
1753                         f.write(text)
1754                         f.close()
1755                 except IOError:
1756                         print "Config: Couldn't write %s" % filename
1757
1758         def loadFromFile(self, filename, base_file=False):
1759                 f = open(filename, "r")
1760                 self.unpickle(f.readlines(), base_file)
1761                 f.close()
1762
1763 config = Config()
1764 config.misc = ConfigSubsection()
1765
1766 class ConfigFile:
1767         CONFIG_FILE = resolveFilename(SCOPE_CONFIG, "settings")
1768
1769         def load(self):
1770                 try:
1771                         config.loadFromFile(self.CONFIG_FILE, True)
1772                 except IOError, e:
1773                         print "unable to load config (%s), assuming defaults..." % str(e)
1774
1775         def save(self):
1776 #               config.save()
1777                 config.saveToFile(self.CONFIG_FILE)
1778
1779         def __resolveValue(self, pickles, cmap):
1780                 key = pickles[0]
1781                 if cmap.has_key(key):
1782                         if len(pickles) > 1:
1783                                 return self.__resolveValue(pickles[1:], cmap[key].dict())
1784                         else:
1785                                 return str(cmap[key].value)
1786                 return None
1787
1788         def getResolvedKey(self, key):
1789                 names = key.split('.')
1790                 if len(names) > 1:
1791                         if names[0] == "config":
1792                                 ret=self.__resolveValue(names[1:], config.content.items)
1793                                 if ret and len(ret):
1794                                         return ret
1795                 print "getResolvedKey", key, "failed !! (Typo??)"
1796                 return ""
1797
1798 def NoSave(element):
1799         element.disableSave()
1800         return element
1801
1802 configfile = ConfigFile()
1803
1804 configfile.load()
1805
1806 def getConfigListEntry(*args):
1807         assert len(args) > 1, "getConfigListEntry needs a minimum of two arguments (descr, configElement)"
1808         return args
1809
1810 def updateConfigElement(element, newelement):
1811         newelement.value = element.value
1812         return newelement
1813
1814 #def _(x):
1815 #       return x
1816 #
1817 #config.bla = ConfigSubsection()
1818 #config.bla.test = ConfigYesNo()
1819 #config.nim = ConfigSubList()
1820 #config.nim.append(ConfigSubsection())
1821 #config.nim[0].bla = ConfigYesNo()
1822 #config.nim.append(ConfigSubsection())
1823 #config.nim[1].bla = ConfigYesNo()
1824 #config.nim[1].blub = ConfigYesNo()
1825 #config.arg = ConfigSubDict()
1826 #config.arg["Hello"] = ConfigYesNo()
1827 #
1828 #config.arg["Hello"].handleKey(KEY_RIGHT)
1829 #config.arg["Hello"].handleKey(KEY_RIGHT)
1830 #
1831 ##config.saved_value
1832 #
1833 ##configfile.save()
1834 #config.save()
1835 #print config.pickle()