code.delx.au - notipod/blob - notipod_gui.py

   1 #!/usr/bin/env python
   2 # Copyright 2009 James Bunton <jamesbunton@fastmail.fm>
   3 # Licensed for distribution under the GPL version 2, check COPYING for details
   4
   5 import logging
   6 import os
   7 import sys
   8 import traceback
   9
  10 import objc
  11 from Foundation import *
  12 from AppKit import *
  13 from PyObjCTools import AppHelper
  14
  15 import libnotipod
  16
  17
  18 class PlaylistModel(NSObject):
  19         outlineView = objc.IBOutlet()
  20
  21         def awakeFromNib(self):
  22                 self.root = []
  23                 self.playlists = {}
  24                 self.outlineView.setDataSource_(self)
  25
  26         def setPlaylists(self, playlists):
  27                 self.root = []
  28                 self.playlists = playlists
  29                 for playlist in self.playlists:
  30                         if playlist.parent is None:
  31                                 self.root.append(playlist)
  32                 self.outlineView.reloadData()
  33                 self.outlineView.expandItem_expandChildren_(None, True)
  34
  35         def outlineView_child_ofItem_(self, _, childIndex, playlist):
  36                 if playlist == None:
  37                         return self.root[childIndex]
  38                 else:
  39                         return playlist.children[childIndex]
  40
  41         def outlineView_isItemExpandable_(self, _, playlist):
  42                 if playlist == None:
  43                         return True
  44                 else:
  45                         return len(playlist.children) > 0
  46
  47         def outlineView_numberOfChildrenOfItem_(self, _, playlist):
  48                 if playlist == None:
  49                         return len(self.root)
  50                 else:
  51                         return len(playlist.children)
  52
  53         def outlineView_objectValueForTableColumn_byItem_(self, _, col, playlist):
  54                 if not col:
  55                         return
  56                 col = col.identifier()
  57
  58                 if col == "selected":
  59                         selected = NSApp.delegate().playlists()
  60                         return playlist.pid in selected
  61                 if col == "icon":
  62                         return NSImage.imageNamed_("playlist-" + playlist.ptype)
  63                 if col == "playlist":
  64                         return playlist.name
  65
  66         def outlineView_setObjectValue_forTableColumn_byItem_(self, _, v, col, playlist):
  67                 if not col:
  68                         return
  69                 col = col.identifier()
  70
  71
  72                 if col != "selected":
  73                         return
  74                 NSApp.delegate().setPlaylist_selected_(playlist.pid, v)
  75
  76
  77 class FolderModel(NSObject):
  78         window = objc.IBOutlet()
  79         folderPopup = objc.IBOutlet()
  80
  81         def awakeFromNib(self):
  82                 folders = NSApp.delegate().folders()
  83                 self.folderPopup.addItemsWithTitles_(folders)
  84                 if len(folders) > 0:
  85                         self.folderPopup.selectItemAtIndex_(2)
  86                         self.lastIndex = 2
  87                 else:
  88                         self.lastIndex = 0
  89
  90         @objc.IBAction
  91         def doSelectFolder_(self, sender):
  92                 currentIndex = self.folderPopup.indexOfSelectedItem()
  93                 if currentIndex >= 2:
  94                         self.lastIndex = currentIndex
  95                         NSApp.delegate().addFolder_(self.folderPopup.titleOfSelectedItem())
  96                         return
  97                 panel = NSOpenPanel.openPanel()
  98                 panel.setCanChooseFiles_(False)
  99                 panel.setCanChooseDirectories_(True)
 100                 panel.setAllowsMultipleSelection_(False)
 101                 panel.beginSheetForDirectory_file_types_modalForWindow_modalDelegate_didEndSelector_contextInfo_(
 102                         None, None, [], self.window, self, self.selectFolderEnd_returnCode_contextInfo_, None)
 103
 104         @objc.signature("v@:@ii")
 105         def selectFolderEnd_returnCode_contextInfo_(self, panel, ret, _):
 106                 if ret == NSOKButton:
 107                         assert len(panel.filenames()) == 1
 108                         folder = panel.filenames()[0]
 109                         NSApp.delegate().addFolder_(folder)
 110                         self.folderPopup.insertItemWithTitle_atIndex_(folder, 2)
 111                         self.folderPopup.selectItemAtIndex_(2)
 112                 else:
 113                         self.folderPopup.selectItemAtIndex_(self.lastIndex)
 114
 115
 116 class NotiPodController(NSObject):
 117         window = objc.IBOutlet()
 118
 119         loadingSheet = objc.IBOutlet()
 120         loadingLabel = objc.IBOutlet()
 121         loadingIndicator = objc.IBOutlet()
 122
 123         previewWindow = objc.IBOutlet()
 124         previewText = objc.IBOutlet()
 125
 126         playlistModel = objc.IBOutlet()
 127         folderModel = objc.IBOutlet()
 128
 129
 130         def awakeFromNib(self):
 131                 self.runningGenerator = False
 132
 133         # Delegate methods
 134         def applicationWillFinishLaunching_(self, _):
 135                 pass
 136
 137         def applicationDidFinishLaunching_(self, _):
 138                 self.library = libnotipod.ITunesLibrary.alloc().init()
 139                 def finish():
 140                         self.playlistModel.setPlaylists(self.library.get_playlists())
 141                 def fail():
 142                         sys.exit(0)
 143                 self.runGenerator(lambda: self.library.load_(None), finish, fail)
 144
 145         def applicationWillTerminate_(self, _):
 146                 self.prefs().synchronize()
 147
 148         def applicationShouldTerminateAfterLastWindowClosed_(self, _):
 149                 return True
 150
 151
 152         # Utility methods
 153         def runGenerator(self, func, finish, fail):
 154                 assert not self.runningGenerator
 155                 self.runningGenerator = True
 156                 self.loadingIndicator.startAnimation_(self)
 157                 NSApp.beginSheet_modalForWindow_modalDelegate_didEndSelector_contextInfo_(self.loadingSheet, self.window, None, None, None)
 158                 arg = (func(), finish, fail)
 159                 self.performSelectorInBackground_withObject_(self.runGeneratorThread, arg)
 160
 161         def runGeneratorThread(self, (gen, finish, fail)):
 162                 pool = NSAutoreleasePool.alloc().init()
 163                 try:
 164                         for msg in gen:
 165                                 if not self.runningGenerator:
 166                                         break
 167                                 self.loadingLabel.performSelectorOnMainThread_withObject_waitUntilDone_(
 168                                         self.loadingLabel.setStringValue_, msg, True)
 169                 except Exception, e:
 170                         NSRunAlertPanel("Error!", str(e), "Ok", None, None)
 171                         traceback.print_exc()
 172                         finish = fail
 173                 self.performSelectorOnMainThread_withObject_waitUntilDone_(
 174                         self.stopGenerator, finish, True)
 175                 self.runningGenerator = False
 176
 177         def stopGenerator(self, finish):
 178                 self.runningGenerator = False
 179                 NSApp.endSheet_(self.loadingSheet)
 180                 self.loadingSheet.orderOut_(self)
 181                 self.loadingIndicator.stopAnimation_(self)
 182                 if finish:
 183                         finish()
 184
 185         @objc.IBAction
 186         def doCancel_(self, sender):
 187                 self.runningGenerator = False
 188
 189         def getDestFolder(self):
 190                 folders = self.folders()
 191                 if not folders:
 192                         NSRunAlertPanel("Error!", "You must choose a folder first!", "Ok", None, None)
 193                         return
 194                 folder = folders[0]
 195                 if not os.path.isdir(folder.encode("utf-8")):
 196                         NSRunAlertPanel("Error!", "Destination " + folder + " does not exist, try mounting it first?", "Ok", None, None)
 197                         return
 198                 return folder
 199
 200         def doPreviewThread(self):
 201                 yield "Calculating changes..."
 202
 203                 folder = self.getDestFolder()
 204                 if not folder:
 205                         return
 206
 207                 all_tracks = []
 208                 for playlist_id in self.playlists():
 209                         playlist = self.library.get_playlist_pid(playlist_id)
 210                         if playlist is not None:
 211                                 all_tracks.extend(playlist.tracks)
 212
 213                 gen = libnotipod.sync(
 214                         dry_run=True,
 215                         source=self.library.folder,
 216                         dest=folder,
 217                         files_to_copy=all_tracks
 218                 )
 219                 self.previewResult = "\n".join(gen)
 220
 221         @objc.IBAction
 222         def doPreview_(self, sender):
 223                 self.previewResult = ""
 224                 self.previewWindow.orderOut_(self)
 225
 226                 def finish():
 227                         self.previewText.textStorage().mutableString().setString_(self.previewResult)
 228                         self.previewWindow.center()
 229                         self.previewWindow.makeKeyAndOrderFront_(self)
 230
 231                 self.runGenerator(self.doPreviewThread, finish, None)
 232
 233         @objc.IBAction
 234         def doSync_(self, sender):
 235                 folder = self.getDestFolder()
 236                 if not folder:
 237                         return
 238
 239                 all_tracks = []
 240                 for playlist_id in self.playlists():
 241                         playlist = self.library.get_playlist_pid(playlist_id)
 242                         if playlist is None:
 243                                 print "Forgetting unknown playlist:", playlist_id
 244                                 self.setPlaylist_selected_(playlist_id, False)
 245                                 continue
 246                         all_tracks.extend(playlist.tracks)
 247                         libnotipod.export_m3u(dry_run=False, dest=folder, path_prefix="",
 248                                         playlist_name=playlist.name, files=playlist.tracks)
 249
 250                 def finish():
 251                         NSRunAlertPanel("Complete!", "Synchronisation is complete", "Ok", None, None)
 252                 self.runGenerator(
 253                         lambda:
 254                                 libnotipod.sync(
 255                                         dry_run=False,
 256                                         source=self.library.folder,
 257                                         dest=folder,
 258                                         files_to_copy=all_tracks
 259                                 )
 260                         ,
 261                         finish,
 262                         None
 263                 )
 264
 265
 266         # Public accessors
 267
 268         def prefs(self):
 269                 return NSUserDefaults.standardUserDefaults()
 270
 271         def _getArray(self, key):
 272                 res = self.prefs().stringArrayForKey_(key)
 273                 return list(res) if res else []
 274
 275         def _saveArray(self, key, array):
 276                 self.prefs().setObject_forKey_(array, key)
 277
 278         def playlists(self):
 279                 return self._getArray("playlists")
 280
 281         def folders(self):
 282                 return self._getArray("folders")
 283
 284         def addFolder_(self, folder):
 285                 folders = self.folders()
 286                 while folder in folders:
 287                         folders.remove(folder)
 288                 folders.insert(0, folder)
 289                 folders = folders[:10]
 290                 self._saveArray("folders", folders)
 291
 292         def setPlaylist_selected_(self, playlist, selected):
 293                 playlists = self.playlists()
 294                 if selected:
 295                         playlists.append(playlist)
 296                 else:
 297                         playlists.remove(playlist)
 298                 playlists = list(set(playlists))
 299                 self._saveArray("playlists", list(set(playlists)))
 300
 301
 302 def main():
 303 ###     logging.basicConfig(format="%(levelname)s: %(message)s")
 304 ###     logging.getLogger().setLevel(logging.DEBUG)
 305         AppHelper.runEventLoop()
 306
 307 if __name__ == "__main__":
 308         main()
 309