code.vuplus.com Git - vuplus_dvbapp/blob - 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                         self.mount_point = directory
  82                 self.current_directory = directory
  83                 directories = []
  84                 files = []
  85
  86                 if directory is None: # present available mountpoints
  87                         print "listing partitions:"
  88                         for p in harddiskmanager.getMountedPartitions():
  89                                 if p.mountpoint == "/":
  90                                         self.list.append(FileEntryComponent(name = p.description, absolute = p.mountpoint, isDir = True))
  91                                 else:
  92                                         self.list.append(FileEntryComponent(name = p.description, absolute = p.mountpoint + "/", isDir = True))
  93                         files = [ ]
  94                         directories = [ ]
  95                 elif self.useServiceRef:
  96                         root = eServiceReference("2:0:1:0:0:0:0:0:0:0:" + directory)
  97                         serviceHandler = eServiceCenter.getInstance()
  98                         list = serviceHandler.list(root)
  99
 100                         while 1:
 101                                 s = list.getNext()
 102                                 if not s.valid():
 103                                         del list
 104                                         break
 105                                 if s.flags & s.mustDescent:
 106                                         directories.append(s.getPath())
 107                                 else:
 108                                         files.append(s)
 109                                 print s.getName(), s.flags
 110                         directories.sort()
 111                         files.sort()
 112                 else:
 113                         files = listdir(directory)
 114                         files.sort()
 115                         tmpfiles = files[:]
 116                         for x in tmpfiles:
 117                                 if os_path.isdir(directory + x):
 118                                         directories.append(directory + x + "/")
 119                                         files.remove(x)
 120
 121                 if directory is not None and self.showDirectories and not self.isTop:
 122                         if directory == self.mount_point:
 123                                 self.list.append(FileEntryComponent(name = ".. (" +_("List of Storage Devices") + ")", absolute = None, isDir = True))
 124                         else:
 125                                 self.list.append(FileEntryComponent(name = "..", absolute = '/'.join(directory.split('/')[:-2]) + '/', isDir = True))
 126
 127                 if self.showDirectories:
 128                         for x in directories:
 129                                 name = x.split('/')[-2]
 130                                 self.list.append(FileEntryComponent(name = name, absolute = x, isDir = True))
 131
 132                 if self.showFiles:
 133                         for x in files:
 134                                 if self.useServiceRef:
 135                                         path = x.getPath()
 136                                         name = path.split('/')[-1]
 137                                 else:
 138                                         path = directory + x
 139                                         name = x
 140
 141                                 if self.matchingPattern is not None:
 142                                         if re.compile(self.matchingPattern).search(path):
 143                                                 self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 144                                 else:
 145                                         self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 146
 147                 self.l.setList(self.list)
 148
 149                 if select is not None:
 150                         i = 0
 151                         self.moveToIndex(0)
 152                         for x in self.list:
 153                                 p = x[0][0]
 154
 155                                 if isinstance(p, eServiceReference):
 156                                         p = p.getPath()
 157
 158                                 if p == select:
 159                                         self.moveToIndex(i)
 160                                 i += 1
 161
 162         def getCurrentDirectory(self):
 163                 return self.current_directory
 164
 165         def canDescent(self):
 166                 if self.getSelection() is None:
 167                         return False
 168                 return self.getSelection()[1]
 169
 170         def descent(self):
 171                 if self.getSelection() is None:
 172                         return
 173                 self.changeDir(self.getSelection()[0], select = self.current_directory)
 174
 175         def getFilename(self):
 176                 if self.getSelection() is None:
 177                         return None
 178                 x = self.getSelection()[0]
 179                 if isinstance(x, eServiceReference):
 180                         x = x.getPath()
 181                 return x
 182
 183         def getServiceRef(self):
 184                 if self.getSelection() is None:
 185                         return None
 186                 x = self.getSelection()[0]
 187                 if isinstance(x, eServiceReference):
 188                         return x
 189                 return None
 190
 191         def execBegin(self):
 192                 harddiskmanager.on_partition_list_change.append(self.partitionListChanged)
 193
 194         def execEnd(self):
 195                 harddiskmanager.on_partition_list_change.remove(self.partitionListChanged)
 196
 197         def refresh(self):
 198                 self.changeDir(self.current_directory, self.getFilename())
 199
 200         def partitionListChanged(self, action, device):
 201                 if self.current_directory is None:
 202                         self.refresh()