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

   1 from re import compile as re_compile
   2 from os import path as os_path, listdir
   3 from MenuList import MenuList
   4 from Components.Harddisk import harddiskmanager
   5
   6 from Tools.Directories import SCOPE_SKIN_IMAGE, resolveFilename
   7
   8 from enigma import RT_HALIGN_LEFT, eListboxPythonMultiContent, \
   9         eServiceReference, eServiceCenter, gFont
  10 from Tools.LoadPixmap import LoadPixmap
  11
  12 EXTENSIONS = {
  13                 "mp3": "music",
  14                 "wav": "music",
  15                 "ogg": "music",
  16                 "flac": "music",
  17                 "jpg": "picture",
  18                 "jpeg": "picture",
  19                 "png": "picture",
  20                 "bmp": "picture",
  21                 "ts": "movie",
  22                 "avi": "movie",
  23                 "mpg": "movie",
  24                 "mpeg": "movie",
  25                 "mkv": "movie",
  26                 "mp4": "movie"
  27         }
  28
  29 def FileEntryComponent(name, absolute = None, isDir = False):
  30         res = [ (absolute, isDir) ]
  31         res.append((eListboxPythonMultiContent.TYPE_TEXT, 35, 1, 470, 20, 0, RT_HALIGN_LEFT, name))
  32         if isDir:
  33                 png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "extensions/directory.png"))
  34         else:
  35                 extension = name.split('.')
  36                 extension = extension[-1].lower()
  37                 if EXTENSIONS.has_key(extension):
  38                         png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "extensions/" + EXTENSIONS[extension] + ".png"))
  39                 else:
  40                         png = None
  41         if png is not None:
  42                 res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, 10, 2, 20, 20, png))
  43
  44         return res
  45
  46 class FileList(MenuList):
  47         def __init__(self, directory, showDirectories = True, showFiles = True, showMountpoints = True, matchingPattern = None, useServiceRef = False, inhibitDirs = False, inhibitMounts = False, isTop = False, enableWrapAround = False, additionalExtensions = None):
  48                 MenuList.__init__(self, list, enableWrapAround, eListboxPythonMultiContent)
  49                 self.additional_extensions = additionalExtensions
  50                 self.mountpoints = []
  51                 self.current_directory = None
  52                 self.current_mountpoint = None
  53                 self.useServiceRef = useServiceRef
  54                 self.showDirectories = showDirectories
  55                 self.showMountpoints = showMountpoints
  56                 self.showFiles = showFiles
  57                 self.isTop = isTop
  58                 # example: matching .nfi and .ts files: "^.*\.(nfi|ts)"
  59                 self.matchingPattern = matchingPattern
  60                 self.inhibitDirs = inhibitDirs or []
  61                 self.inhibitMounts = inhibitMounts or []
  62
  63                 self.refreshMountpoints()
  64                 self.changeDir(directory)
  65                 self.l.setFont(0, gFont("Regular", 18))
  66                 self.l.setItemHeight(23)
  67                 self.serviceHandler = eServiceCenter.getInstance()
  68
  69         def refreshMountpoints(self):
  70                 self.mountpoints = [os_path.join(p.mountpoint, "") for p in harddiskmanager.getMountedPartitions()]
  71                 self.mountpoints.sort(reverse = True)
  72
  73         def getMountpoint(self, file):
  74                 file = os_path.join(os_path.realpath(file), "")
  75                 for m in self.mountpoints:
  76                         if file.startswith(m):
  77                                 return m
  78                 return False
  79
  80         def getMountpointLink(self, file):
  81                 if os_path.realpath(file) == file:
  82                         return self.getMountpoint(file)
  83                 else:
  84                         if file[-1] == "/":
  85                                 file = file[:-1]
  86                         mp = self.getMountpoint(file)
  87                         last = file
  88                         file = os_path.dirname(file)
  89                         while last != "/" and mp == self.getMountpoint(file):
  90                                 last = file
  91                                 file = os_path.dirname(file)
  92                         return os_path.join(last, "")
  93
  94         def getSelection(self):
  95                 if self.l.getCurrentSelection() is None:
  96                         return None
  97                 return self.l.getCurrentSelection()[0]
  98
  99         def getCurrentEvent(self):
 100                 l = self.l.getCurrentSelection()
 101                 if not l or l[0][1] == True:
 102                         return None
 103                 else:
 104                         return self.serviceHandler.info(l[0][0]).getEvent(l[0][0])
 105
 106         def getFileList(self):
 107                 return self.list
 108
 109         def inParentDirs(self, dir, parents):
 110                 dir = os_path.realpath(dir)
 111                 for p in parents:
 112                         if dir.startswith(p):
 113                                 return True
 114                 return False
 115
 116         def changeDir(self, directory, select = None):
 117                 self.list = []
 118
 119                 if directory and not os_path.isdir(directory):
 120                         directory = None
 121                 # if we are just entering from the list of mount points:
 122                 if self.current_directory is None:
 123                         if directory and self.showMountpoints:
 124                                 self.current_mountpoint = self.getMountpointLink(directory)
 125                         else:
 126                                 self.current_mountpoint = None
 127                 self.current_directory = directory
 128                 directories = []
 129                 files = []
 130
 131                 if directory is None and self.showMountpoints: # present available mountpoints
 132                         for p in harddiskmanager.getMountedPartitions():
 133                                 path = os_path.join(p.mountpoint, "")
 134                                 if path not in self.inhibitMounts and not self.inParentDirs(path, self.inhibitDirs):
 135                                         self.list.append(FileEntryComponent(name = p.description, absolute = path, isDir = True))
 136                         files = [ ]
 137                         directories = [ ]
 138                 elif self.useServiceRef:
 139                         root = eServiceReference("2:0:1:0:0:0:0:0:0:0:" + directory)
 140                         if self.additional_extensions:
 141                                 root.setName(self.additional_extensions)
 142                         serviceHandler = eServiceCenter.getInstance()
 143                         list = serviceHandler.list(root)
 144
 145                         while 1:
 146                                 s = list.getNext()
 147                                 if not s.valid():
 148                                         del list
 149                                         break
 150                                 if s.flags & s.mustDescent:
 151                                         directories.append(s.getPath())
 152                                 else:
 153                                         files.append(s)
 154                         directories.sort()
 155                         files.sort()
 156                 else:
 157                         if os_path.exists(directory):
 158                                 files = listdir(directory)
 159                                 files.sort()
 160                                 tmpfiles = files[:]
 161                                 for x in tmpfiles:
 162                                         if os_path.isdir(directory + x):
 163                                                 directories.append(directory + x + "/")
 164                                                 files.remove(x)
 165
 166                 if directory is not None and self.showDirectories and not self.isTop:
 167                         if directory == self.current_mountpoint and self.showMountpoints:
 168                                 self.list.append(FileEntryComponent(name = "<" +_("List of Storage Devices") + ">", absolute = None, isDir = True))
 169                         elif (directory != "/") and not (self.inhibitMounts and self.getMountpoint(directory) in self.inhibitMounts):
 170                                 self.list.append(FileEntryComponent(name = "<" +_("Parent Directory") + ">", absolute = '/'.join(directory.split('/')[:-2]) + '/', isDir = True))
 171
 172                 if self.showDirectories:
 173                         for x in directories:
 174                                 if not (self.inhibitMounts and self.getMountpoint(x) in self.inhibitMounts) and not self.inParentDirs(x, self.inhibitDirs):
 175                                         name = x.split('/')[-2]
 176                                         self.list.append(FileEntryComponent(name = name, absolute = x, isDir = True))
 177
 178                 if self.showFiles:
 179                         for x in files:
 180                                 if self.useServiceRef:
 181                                         path = x.getPath()
 182                                         name = path.split('/')[-1]
 183                                 else:
 184                                         path = directory + x
 185                                         name = x
 186
 187                                 if (self.matchingPattern is None) or re_compile(self.matchingPattern).search(path):
 188                                         self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 189
 190                 self.l.setList(self.list)
 191
 192                 if select is not None:
 193                         i = 0
 194                         self.moveToIndex(0)
 195                         for x in self.list:
 196                                 p = x[0][0]
 197
 198                                 if isinstance(p, eServiceReference):
 199                                         p = p.getPath()
 200
 201                                 if p == select:
 202                                         self.moveToIndex(i)
 203                                 i += 1
 204
 205         def getCurrentDirectory(self):
 206                 return self.current_directory
 207
 208         def canDescent(self):
 209                 if self.getSelection() is None:
 210                         return False
 211                 return self.getSelection()[1]
 212
 213         def descent(self):
 214                 if self.getSelection() is None:
 215                         return
 216                 self.changeDir(self.getSelection()[0], select = self.current_directory)
 217
 218         def getFilename(self):
 219                 if self.getSelection() is None:
 220                         return None
 221                 x = self.getSelection()[0]
 222                 if isinstance(x, eServiceReference):
 223                         x = x.getPath()
 224                 return x
 225
 226         def getServiceRef(self):
 227                 if self.getSelection() is None:
 228                         return None
 229                 x = self.getSelection()[0]
 230                 if isinstance(x, eServiceReference):
 231                         return x
 232                 return None
 233
 234         def execBegin(self):
 235                 harddiskmanager.on_partition_list_change.append(self.partitionListChanged)
 236
 237         def execEnd(self):
 238                 harddiskmanager.on_partition_list_change.remove(self.partitionListChanged)
 239
 240         def refresh(self):
 241                 self.changeDir(self.current_directory, self.getFilename())
 242
 243         def partitionListChanged(self, action, device):
 244                 self.refreshMountpoints()
 245                 if self.current_directory is None:
 246                         self.refresh()