lib/python/Components/FileList.py

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