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                 "mp2": "music",
  14                 "mp3": "music",
  15                 "wav": "music",
  16                 "ogg": "music",
  17                 "flac": "music",
  18                 "jpg": "picture",
  19                 "jpeg": "picture",
  20                 "png": "picture",
  21                 "bmp": "picture",
  22                 "ts": "movie",
  23                 "avi": "movie",
  24                 "mpg": "movie",
  25                 "mpeg": "movie",
  26                 "mkv": "movie",
  27                 "mp4": "movie"
  28         }
  29
  30 def FileEntryComponent(name, absolute = None, isDir = False):
  31         res = [ (absolute, isDir) ]
  32         res.append((eListboxPythonMultiContent.TYPE_TEXT, 35, 1, 470, 20, 0, RT_HALIGN_LEFT, name))
  33         if isDir:
  34                 png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "extensions/directory.png"))
  35         else:
  36                 extension = name.split('.')
  37                 extension = extension[-1].lower()
  38                 if EXTENSIONS.has_key(extension):
  39                         png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "extensions/" + EXTENSIONS[extension] + ".png"))
  40                 else:
  41                         png = None
  42         if png is not None:
  43                 res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, 10, 2, 20, 20, png))
  44
  45         return res
  46
  47 class FileList(MenuList):
  48         def __init__(self, directory, showDirectories = True, showFiles = True, showMountpoints = True, matchingPattern = None, useServiceRef = False, inhibitDirs = False, inhibitMounts = False, isTop = False, enableWrapAround = False, additionalExtensions = None):
  49                 MenuList.__init__(self, list, enableWrapAround, eListboxPythonMultiContent)
  50                 self.additional_extensions = additionalExtensions
  51                 self.mountpoints = []
  52                 self.current_directory = None
  53                 self.current_mountpoint = None
  54                 self.useServiceRef = useServiceRef
  55                 self.showDirectories = showDirectories
  56                 self.showMountpoints = showMountpoints
  57                 self.showFiles = showFiles
  58                 self.isTop = isTop
  59                 # example: matching .nfi and .ts files: "^.*\.(nfi|ts)"
  60                 self.matchingPattern = matchingPattern
  61                 self.inhibitDirs = inhibitDirs or []
  62                 self.inhibitMounts = inhibitMounts or []
  63
  64                 self.refreshMountpoints()
  65                 self.changeDir(directory)
  66                 self.l.setFont(0, gFont("Regular", 18))
  67                 self.l.setItemHeight(23)
  68                 self.serviceHandler = eServiceCenter.getInstance()
  69
  70         def refreshMountpoints(self):
  71                 self.mountpoints = [os_path.join(p.mountpoint, "") for p in harddiskmanager.getMountedPartitions()]
  72                 self.mountpoints.sort(reverse = True)
  73
  74         def getMountpoint(self, file):
  75                 file = os_path.join(os_path.realpath(file), "")
  76                 for m in self.mountpoints:
  77                         if file.startswith(m):
  78                                 return m
  79                 return False
  80
  81         def getMountpointLink(self, file):
  82                 if os_path.realpath(file) == file:
  83                         return self.getMountpoint(file)
  84                 else:
  85                         if file[-1] == "/":
  86                                 file = file[:-1]
  87                         mp = self.getMountpoint(file)
  88                         last = file
  89                         file = os_path.dirname(file)
  90                         while last != "/" and mp == self.getMountpoint(file):
  91                                 last = file
  92                                 file = os_path.dirname(file)
  93                         return os_path.join(last, "")
  94
  95         def getSelection(self):
  96                 if self.l.getCurrentSelection() is None:
  97                         return None
  98                 return self.l.getCurrentSelection()[0]
  99
 100         def getCurrentEvent(self):
 101                 l = self.l.getCurrentSelection()
 102                 if not l or l[0][1] == True:
 103                         return None
 104                 else:
 105                         return self.serviceHandler.info(l[0][0]).getEvent(l[0][0])
 106
 107         def getFileList(self):
 108                 return self.list
 109
 110         def inParentDirs(self, dir, parents):
 111                 dir = os_path.realpath(dir)
 112                 for p in parents:
 113                         if dir.startswith(p):
 114                                 return True
 115                 return False
 116
 117         def changeDir(self, directory, select = None):
 118                 self.list = []
 119
 120                 if directory and not os_path.isdir(directory):
 121                         directory = None
 122                 # if we are just entering from the list of mount points:
 123                 if self.current_directory is None:
 124                         if directory and self.showMountpoints:
 125                                 self.current_mountpoint = self.getMountpointLink(directory)
 126                         else:
 127                                 self.current_mountpoint = None
 128                 self.current_directory = directory
 129                 directories = []
 130                 files = []
 131
 132                 if directory is None and self.showMountpoints: # present available mountpoints
 133                         for p in harddiskmanager.getMountedPartitions():
 134                                 path = os_path.join(p.mountpoint, "")
 135                                 if path not in self.inhibitMounts and not self.inParentDirs(path, self.inhibitDirs):
 136                                         self.list.append(FileEntryComponent(name = p.description, absolute = path, isDir = True))
 137                         files = [ ]
 138                         directories = [ ]
 139                 elif self.useServiceRef:
 140                         root = eServiceReference("2:0:1:0:0:0:0:0:0:0:" + directory)
 141                         if self.additional_extensions:
 142                                 root.setName(self.additional_extensions)
 143                         serviceHandler = eServiceCenter.getInstance()
 144                         list = serviceHandler.list(root)
 145
 146                         while 1:
 147                                 s = list.getNext()
 148                                 if not s.valid():
 149                                         del list
 150                                         break
 151                                 if s.flags & s.mustDescent:
 152                                         directories.append(s.getPath())
 153                                 else:
 154                                         files.append(s)
 155                         directories.sort()
 156                         files.sort()
 157                 else:
 158                         if os_path.exists(directory):
 159                                 files = listdir(directory)
 160                                 files.sort()
 161                                 tmpfiles = files[:]
 162                                 for x in tmpfiles:
 163                                         if os_path.isdir(directory + x):
 164                                                 directories.append(directory + x + "/")
 165                                                 files.remove(x)
 166
 167                 if directory is not None and self.showDirectories and not self.isTop:
 168                         if directory == self.current_mountpoint and self.showMountpoints:
 169                                 self.list.append(FileEntryComponent(name = "<" +_("List of Storage Devices") + ">", absolute = None, isDir = True))
 170                         elif (directory != "/") and not (self.inhibitMounts and self.getMountpoint(directory) in self.inhibitMounts):
 171                                 self.list.append(FileEntryComponent(name = "<" +_("Parent Directory") + ">", absolute = '/'.join(directory.split('/')[:-2]) + '/', isDir = True))
 172
 173                 if self.showDirectories:
 174                         for x in directories:
 175                                 if not (self.inhibitMounts and self.getMountpoint(x) in self.inhibitMounts) and not self.inParentDirs(x, self.inhibitDirs):
 176                                         name = x.split('/')[-2]
 177                                         self.list.append(FileEntryComponent(name = name, absolute = x, isDir = True))
 178
 179                 if self.showFiles:
 180                         for x in files:
 181                                 if self.useServiceRef:
 182                                         path = x.getPath()
 183                                         name = path.split('/')[-1]
 184                                 else:
 185                                         path = directory + x
 186                                         name = x
 187
 188                                 if (self.matchingPattern is None) or re_compile(self.matchingPattern).search(path):
 189                                         self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 190
 191                 self.l.setList(self.list)
 192
 193                 if select is not None:
 194                         i = 0
 195                         self.moveToIndex(0)
 196                         for x in self.list:
 197                                 p = x[0][0]
 198
 199                                 if isinstance(p, eServiceReference):
 200                                         p = p.getPath()
 201
 202                                 if p == select:
 203                                         self.moveToIndex(i)
 204                                 i += 1
 205
 206         def getCurrentDirectory(self):
 207                 return self.current_directory
 208
 209         def canDescent(self):
 210                 if self.getSelection() is None:
 211                         return False
 212                 return self.getSelection()[1]
 213
 214         def descent(self):
 215                 if self.getSelection() is None:
 216                         return
 217                 self.changeDir(self.getSelection()[0], select = self.current_directory)
 218
 219         def getFilename(self):
 220                 if self.getSelection() is None:
 221                         return None
 222                 x = self.getSelection()[0]
 223                 if isinstance(x, eServiceReference):
 224                         x = x.getPath()
 225                 return x
 226
 227         def getServiceRef(self):
 228                 if self.getSelection() is None:
 229                         return None
 230                 x = self.getSelection()[0]
 231                 if isinstance(x, eServiceReference):
 232                         return x
 233                 return None
 234
 235         def execBegin(self):
 236                 harddiskmanager.on_partition_list_change.append(self.partitionListChanged)
 237
 238         def execEnd(self):
 239                 harddiskmanager.on_partition_list_change.remove(self.partitionListChanged)
 240
 241         def refresh(self):
 242                 self.changeDir(self.current_directory, self.getFilename())
 243
 244         def partitionListChanged(self, action, device):
 245                 self.refreshMountpoints()
 246                 if self.current_directory is None:
 247                         self.refresh()