lib/python/Components/FileList.py

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