lib/python/Components/config.py

   1 from time import *
   2
   3 class configFile:
   4         def __init__(self):
   5                 self.changed = 0
   6                 self.configElements = { }
   7                 try:
   8                         self.file = open("config")
   9                 except IOError:
  10                         print "cannot open config file"
  11                         return
  12
  13                 while 1:
  14                         line = self.file.readline()
  15                         if line == "":
  16                                 break
  17
  18                         if line.startswith("#"):                #skip comments
  19                                 continue
  20
  21                         self.addElement(line)
  22                 self.file.close()
  23
  24         def addElement(self, line):
  25                 x = line.find("=")
  26                 if x > -1:
  27                         self.configElements[line[:x]] = line[x + 1:]
  28
  29         def getKey(self, key):
  30                 return self.configElements[key]
  31
  32         def setKey(self, key, value):
  33                 self.changed = 1
  34                 self.configElements[key] = value
  35
  36         def save(self):
  37                 if self.changed == 0:           #no changes, so no write to disk needed
  38                         return
  39
  40                 fileHandle = open("config", "w")
  41
  42                 keys = self.configElements.keys()
  43                 keys.sort()
  44                 for x in keys:
  45                         wstr = x + "=" + self.configElements[x]
  46
  47                         if wstr[len(wstr) - 1] != '\n':
  48                                 wstr = wstr + "\n"
  49
  50                         fileHandle.write(wstr)
  51
  52                 fileHandle.close()
  53
  54 class configSelection:
  55         def __init__(self, parent):
  56                 self.parent = parent
  57
  58         def checkValues(self):
  59                 if self.parent.value < 0:
  60                         self.parent.value = 0
  61
  62                 if(self.parent.value >= (len(self.parent.vals) - 1)):
  63                         self.parent.value = len(self.parent.vals) - 1
  64
  65         def cancel(self):
  66                 self.parent.reload()
  67
  68         def save(self):
  69                 self.parent.save()
  70
  71         def handleKey(self, key):
  72                 if key == config.key["prevElement"]:
  73                         self.parent.value = self.parent.value - 1
  74                 if key == config.key["nextElement"]:
  75                         self.parent.value = self.parent.value + 1
  76
  77                 self.checkValues()
  78
  79                 self.parent.change()
  80
  81         def __call__(self, selected):                   #needed by configlist
  82                 self.checkValues()
  83                 return ("text", self.parent.vals[self.parent.value])
  84
  85 class configDateTime:
  86         def __init__(self, parent):
  87                 self.parent = parent
  88
  89         def checkValues(self):
  90                 pass
  91 #               if self.parent.value < 0:
  92                         #self.parent.value = 0
  93
  94                 #if(self.parent.value >= (len(self.parent.vals) - 1)):
  95                         #self.parent.value = len(self.parent.vals) - 1
  96
  97         def cancel(self):
  98                 self.parent.reload()
  99
 100         def save(self):
 101                 self.parent.save()
 102
 103         def handleKey(self, key):
 104                 if key == config.key["prevElement"]:
 105                         self.parent.value = self.parent.value - self.parent.vals[1]
 106                 if key == config.key["nextElement"]:
 107                         self.parent.value = self.parent.value + self.parent.vals[1]
 108
 109                 self.checkValues()
 110
 111                 self.parent.change()
 112
 113         def __call__(self, selected):                   #needed by configlist
 114                 self.checkValues()
 115                 return ("text", strftime(self.parent.vals[0], localtime(self.parent.value)))
 116
 117 class configSatlist:
 118         def __init__(self, parent):
 119                 self.parent = parent
 120
 121         def checkValues(self):
 122                 if self.parent.value < 0:
 123                         self.parent.value = 0
 124
 125                 if(self.parent.value >= (len(self.parent.vals) - 1)):
 126                         self.parent.value = len(self.parent.vals) - 1
 127
 128         def cancel(self):
 129                 self.parent.reload()
 130
 131         def save(self):
 132                 self.parent.save()
 133
 134         def handleKey(self, key):
 135                 if key == config.key["prevElement"]:
 136                         self.parent.value = self.parent.value - 1
 137                 if key == config.key["nextElement"]:
 138                         self.parent.value = self.parent.value + 1
 139
 140                 self.checkValues()
 141
 142                 self.parent.change()
 143
 144         def __call__(self, selected):                   #needed by configlist
 145                 self.checkValues()
 146                 #fixme
 147                 return ("text", str(self.parent.vals[self.parent.value][0]))
 148
 149 class configSequenceArg:
 150         def get(self, type, args = ()):
 151                 # configsequencearg.get ("IP")
 152                 if (type == "IP"):
 153                         return (("."), [(1,255),(0,255),(0,255),(0,255)], "")
 154                 # configsequencearg.get ("MAC")
 155                 if (type == "MAC"):
 156                         return ((":"), [(1,255),(1,255),(1,255),(1,255),(1,255),(1,255)], "")
 157                 # configsequencearg.get ("CLOCK")
 158                 if (type == "CLOCK"):
 159                         return ((":"), [(0,23),(0,59)], "")
 160                 # configsequencearg.get("INTEGER", (min, max)) => x with min <= x <= max
 161                 if (type == "INTEGER"):
 162                         return ((":"), [args], "")
 163                 # configsequencearg.get("PINCODE", (number, "*")) => pin with number = length of pincode and "*" as numbers shown as stars
 164                 # configsequencearg.get("PINCODE", (number, "")) => pin with number = length of pincode and numbers shown
 165                 if (type == "PINCODE"):
 166                         return ((":"), [(0, (10**args[0])-1)], args[1])
 167                 # configsequencearg.get("FLOAT", [(min,max),(min1,max1)]) => x.y with min <= x <= max and min1 <= y <= max1
 168                 if (type == "FLOAT"):
 169                         return (("."), args, "")
 170
 171 configsequencearg = configSequenceArg()
 172
 173 class configSequence:
 174         def __init__(self, parent):
 175                 self.parent = parent
 176                 self.markedPos = 0
 177                 self.seperator = self.parent.vals[0]
 178                 self.valueBounds = self.parent.vals[1]
 179                 self.censorChar = self.parent.vals[2]
 180
 181         def checkValues(self):
 182                 maxPos = 0
 183                 num = 0
 184                 for i in self.parent.value:
 185                         maxPos += len(str(self.valueBounds[num][1]))
 186                         while (self.valueBounds[num][0] > self.parent.value[num]):
 187                                 self.parent.value[num] += 1
 188
 189                         while (self.valueBounds[num][1] < self.parent.value[num]):
 190                                 self.parent.value[num] -= 1
 191
 192 #                       if (self.valueBounds[num][0] <= i <= self.valueBounds[num][1]):
 193                                 #pass
 194                         #else:
 195                                 #self.parent.value[num] = self.valueBounds[num][0]
 196                         num += 1
 197
 198                 if self.markedPos >= maxPos:
 199                         self.markedPos = maxPos - 1
 200                 if self.markedPos < 0:
 201                         self.markedPos = 0
 202
 203         def cancel(self):
 204                 self.parent.reload()
 205
 206         def save(self):
 207                 self.parent.save()
 208
 209         def handleKey(self, key):
 210                 #this will no change anything on the value itself
 211                 #so we can handle it here in gui element
 212                 if key == config.key["prevElement"]:
 213                         self.markedPos -= 1
 214                 if key == config.key["nextElement"]:
 215                         self.markedPos += 1
 216
 217                 if key >= config.key["0"] and key <= config.key["9"]:
 218                         number = 9 - config.key["9"] + key
 219                         # length of numberblock
 220                         numberLen = len(str(self.valueBounds[0][1]))
 221                         # position in the block
 222                         posinblock = self.markedPos % numberLen
 223                         # blocknumber
 224                         blocknumber = self.markedPos / numberLen
 225
 226                         oldvalue = self.parent.value[blocknumber]
 227                         olddec = oldvalue % 10 ** (numberLen - posinblock) - (oldvalue % 10 ** (numberLen - posinblock - 1))
 228                         newvalue = oldvalue - olddec + (10 ** (numberLen - posinblock - 1) * number)
 229
 230                         print "You actually pressed a number (" + str(number) + ") which will be added at block number " + str(blocknumber) + " on position " + str(posinblock)
 231                         print "Old value: " + str(oldvalue) + " olddec: " + str(olddec) + " newvalue: " + str(newvalue)
 232                         self.parent.value[blocknumber] = newvalue
 233                         self.markedPos += 1
 234
 235                 self.checkValues()
 236
 237                 print "markPos:",
 238                 print self.markedPos
 239
 240                 #FIXME: dont call when press left/right
 241                 self.parent.change()
 242
 243         def __call__(self, selected):                   #needed by configlist
 244                 value = ""
 245                 mPos = self.markedPos
 246                 print "Positon: " + str(mPos)
 247                 num = 0;
 248                 for i in self.parent.value:
 249                         if len(value):  #fixme no heading separator possible
 250                                 value += self.seperator
 251                                 if mPos >= len(value) - 1:
 252                                         mPos += 1
 253
 254                         #diff =         self.valueBounds - len(str(i))
 255                         #if diff > 0:
 256                                 ## if this helps?!
 257                                 #value += " " * diff
 258                         print (("%0" + str(len(str(self.valueBounds[num][1]))) + "d") % i)
 259                         if (self.censorChar == ""):
 260                                 value += ("%0" + str(len(str(self.valueBounds[num][1]))) + "d") % i
 261                         else:
 262                                 value += (self.censorChar * len(str(self.valueBounds[num][1])))
 263                         num += 1
 264                         # only mark cursor when we are selected
 265                         # (this code is heavily ink optimized!)
 266                 return ("mtext"[1-selected:], value, [mPos])
 267
 268 class configValue:
 269         def __init__(self, obj):
 270                 self.obj = obj
 271
 272         def __str__(self):
 273                 return self.obj
 274
 275 class Config:
 276         def __init__(self):
 277                 self.key = { "choseElement": 0,
 278                                          "prevElement": 1,
 279                                          "nextElement": 2,
 280                                          "0": 10,
 281                                          "1": 11,
 282                                          "2": 12,
 283                                          "3": 13,
 284                                          "4": 14,
 285                                          "5": 15,
 286                                          "6": 16,
 287                                          "7": 17,
 288                                          "8": 18,
 289                                          "9": 19 }
 290
 291 config = Config();
 292 configfile = configFile()
 293
 294 class ConfigSlider:
 295         def __init__(self, parent):
 296                 self.parent = parent
 297
 298         def cancel(self):
 299                 self.parent.reload()
 300
 301         def save(self):
 302                 self.parent.save()
 303
 304         def checkValues(self):
 305                 if self.parent.value < 0:
 306                         self.parent.value = 0
 307
 308                 if self.parent.value > 10:
 309                         self.parent.value = 10
 310
 311         def handleKey(self, key):
 312                 if key == config.key["prevElement"]:
 313                         self.parent.value = self.parent.value - 1
 314                 if key == config.key["nextElement"]:
 315                         self.parent.value = self.parent.value + 1
 316
 317                 self.checkValues()
 318                 self.parent.change()
 319
 320         def __call__(self, selected):                   #needed by configlist
 321                 self.checkValues()
 322                 return ("slider", self.parent.value * 10)
 323
 324 class ConfigSubsection:
 325         def __init__(self):
 326                 pass
 327
 328 class configElement:
 329
 330         def getIndexbyEntry(self, data):
 331                 cnt = 0;
 332                 tcnt = -1; #for defaultval
 333                 for x in self.vals:
 334                         if int(x[1]) == int(data):
 335                                         return cnt
 336                         if int(x[1]) == int(self.defaultValue):
 337                                         tcnt = cnt
 338                         cnt += 1
 339                 if tcnt != -1:
 340                         return tcnt
 341                 return 0        #prevent bigger then array
 342
 343         def datafromFile(self, control, data):
 344                 if control == ConfigSlider:
 345                         return int(data);
 346                 elif control == configSelection:
 347                         return int(data);
 348                 elif control == configDateTime:
 349                         return int(data);
 350                 elif control == configSequence:
 351                         list = [ ]
 352                         part = data.split(self.vals[0])
 353                         for x in part:
 354                                 list.append(int(x))
 355                         return list
 356                 elif control == configSatlist:
 357                         return self.getIndexbyEntry(data)
 358                 else:
 359                         return ""
 360
 361         def datatoFile(self, control, data):
 362                 if control == ConfigSlider:
 363                         return str(data);
 364                 elif control == configSelection:
 365                         return str(data);
 366                 elif control == configDateTime:
 367                         return str(data);
 368                 elif control == configSequence:
 369                         value = ((len(data) * ("%d" + self.vals[0]))[0:-1]) % tuple(data)
 370 #                       just in case you don't understand the above, here an equivalent:
 371 #                       value = ""
 372 #                       for i in data:
 373 #                               if value !="":
 374 #                                       value += self.vals[0]
 375 #                               value += str(i)
 376                         return value
 377                 elif control == configSatlist:
 378                         return str(self.vals[self.value][1]);
 379                 else:
 380                         return ""
 381
 382         def loadData(self):
 383                 try:
 384                         value = self.datafromFile(self.controlType, configfile.getKey(self.configPath))
 385                 except:
 386                         value = ""
 387
 388                 if value == "":
 389                         #print "value not found - using default"
 390
 391                         if self.controlType == configSatlist:
 392                                 self.value = self.getIndexbyEntry(self.defaultValue)
 393                         else:
 394                                 self.value = self.defaultValue
 395
 396                         self.save()             #add missing value to dict
 397                 else:
 398                         self.value = value
 399
 400                 #is this right? activate settings after load/cancel and use default
 401                 self.change()
 402
 403         def __init__(self, configPath, control, defaultValue, vals):
 404                 self.configPath = configPath
 405                 self.defaultValue = defaultValue
 406                 self.controlType = control
 407                 self.vals = vals
 408                 self.notifierList = [ ]
 409                 self.enabled = True
 410                 self.loadData()
 411         def addNotifier(self, notifier):
 412                 self.notifierList.append(notifier);
 413                 notifier(self);
 414         def change(self):
 415                 for notifier in self.notifierList:
 416                         notifier(self)
 417         def reload(self):
 418                 self.loadData()
 419         def save(self):
 420                 configfile.setKey(self.configPath, self.datatoFile(self.controlType,self.value))
 421
 422 class configElement_nonSave(configElement):
 423         def __init__(self, configPath, control, defaultValue, vals):
 424                 configElement.__init__(self, configPath, control, defaultValue, vals)
 425
 426         def save(self):
 427                 pass
 428
 429 def getConfigListEntry(description, element):
 430         b = element
 431         item = b.controlType(b)
 432         return ((description, item))