lib/python/Components/FileList.py

   1 from HTMLComponent import HTMLComponent
   2 from GUIComponent import GUIComponent
   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                 self.serviceHandler = eServiceCenter.getInstance()
  63
  64         def getSelection(self):
  65                 if self.l.getCurrentSelection() is None:
  66                         return None
  67                 return self.l.getCurrentSelection()[0]
  68
  69         def getSelectionIndex(self):
  70                 return self.l.getCurrentSelectionIndex()
  71
  72         def getCurrentEvent(self):
  73                 l = self.l.getCurrentSelection()
  74                 if not l or l[0][1] == True:
  75                         return None
  76                 else:
  77                         return self.serviceHandler.info(l[0][0]).getEvent(l[0][0])
  78
  79         def getFileList(self):
  80                 return self.list
  81
  82         def changeDir(self, directory, select = None):
  83                 self.list = []
  84
  85                 # if we are just entering from the list of mount points:
  86                 if self.current_directory is None:
  87                         self.mount_point = directory
  88                 self.current_directory = directory
  89                 directories = []
  90                 files = []
  91
  92                 if directory is None: # present available mountpoints
  93                         print "listing partitions:"
  94                         for p in harddiskmanager.getMountedPartitions():
  95                                 if p.mountpoint == "/":
  96                                         self.list.append(FileEntryComponent(name = p.description, absolute = p.mountpoint, isDir = True))
  97                                 else:
  98                                         self.list.append(FileEntryComponent(name = p.description, absolute = p.mountpoint + "/", isDir = True))
  99                         files = [ ]
 100                         directories = [ ]
 101                 elif self.useServiceRef:
 102                         root = eServiceReference("2:0:1:0:0:0:0:0:0:0:" + directory)
 103                         serviceHandler = eServiceCenter.getInstance()
 104                         list = serviceHandler.list(root)
 105
 106                         while 1:
 107                                 s = list.getNext()
 108                                 if not s.valid():
 109                                         del list
 110                                         break
 111                                 if s.flags & s.mustDescent:
 112                                         directories.append(s.getPath())
 113                                 else:
 114                                         files.append(s)
 115                                 print s.getName(), s.flags
 116                         directories.sort()
 117                         files.sort()
 118                 else:
 119                         files = listdir(directory)
 120                         files.sort()
 121                         tmpfiles = files[:]
 122                         for x in tmpfiles:
 123                                 if os_path.isdir(directory + x):
 124                                         directories.append(directory + x + "/")
 125                                         files.remove(x)
 126
 127                 if directory is not None and self.showDirectories and not self.isTop:
 128                         if directory == self.mount_point:
 129                                 self.list.append(FileEntryComponent(name = ".. (" +_("List of Storage Devices") + ")", absolute = None, isDir = True))
 130                         else:
 131                                 self.list.append(FileEntryComponent(name = "..", absolute = '/'.join(directory.split('/')[:-2]) + '/', isDir = True))
 132
 133                 if self.showDirectories:
 134                         for x in directories:
 135                                 name = x.split('/')[-2]
 136                                 self.list.append(FileEntryComponent(name = name, absolute = x, isDir = True))
 137
 138                 if self.showFiles:
 139                         for x in files:
 140                                 if self.useServiceRef:
 141                                         path = x.getPath()
 142                                         name = path.split('/')[-1]
 143                                 else:
 144                                         path = directory + x
 145                                         name = x
 146
 147                                 if self.matchingPattern is not None:
 148                                         if re.compile(self.matchingPattern).search(path):
 149                                                 self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 150                                 else:
 151                                         self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 152
 153                 self.l.setList(self.list)
 154
 155                 if select is not None:
 156                         i = 0
 157                         self.moveToIndex(0)
 158                         for x in self.list:
 159                                 p = x[0][0]
 160
 161                                 if isinstance(p, eServiceReference):
 162                                         p = p.getPath()
 163
 164                                 if p == select:
 165                                         self.moveToIndex(i)
 166                                 i += 1
 167
 168         def getCurrentDirectory(self):
 169                 return self.current_directory
 170
 171         def canDescent(self):
 172                 if self.getSelection() is None:
 173                         return False
 174                 return self.getSelection()[1]
 175
 176         def descent(self):
 177                 if self.getSelection() is None:
 178                         return
 179                 self.changeDir(self.getSelection()[0], select = self.current_directory)
 180
 181         def getFilename(self):
 182                 if self.getSelection() is None:
 183                         return None
 184                 x = self.getSelection()[0]
 185                 if isinstance(x, eServiceReference):
 186                         x = x.getPath()
 187                 return x
 188
 189         def getServiceRef(self):
 190                 if self.getSelection() is None:
 191                         return None
 192                 x = self.getSelection()[0]
 193                 if isinstance(x, eServiceReference):
 194                         return x
 195                 return None
 196
 197         GUI_WIDGET = eListbox
 198
 199         def postWidgetCreate(self, instance):
 200                 instance.setContent(self.l)
 201
 202         def execBegin(self):
 203                 harddiskmanager.on_partition_list_change.append(self.partitionListChanged)
 204
 205         def execEnd(self):
 206                 harddiskmanager.on_partition_list_change.remove(self.partitionListChanged)
 207
 208         def refresh(self):
 209                 self.changeDir(self.current_directory, self.getFilename())
 210
 211         def partitionListChanged(self, action, device):
 212                 if self.current_directory is None:
 213                         self.refresh()