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

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