Added preview feature

[notipod] / notipod_gui.py

diff --git a/notipod_gui.py b/notipod_gui.py
index 39d911ffcc1c62457b54a22f562e079b84241e9a..4c175a909f2cfd94625c9d334cf30e2f54c9cb74 100644 (file)
--- a/notipod_gui.py
+++ b/notipod_gui.py
@@ -112,10 +112,17 @@ class FolderModel(NSObject):
 
 class NotiPodController(NSObject):
        window = objc.IBOutlet()
-       playlistModel = objc.IBOutlet()
-       folderModel = objc.IBOutlet()
+
        loadingSheet = objc.IBOutlet()
        loadingLabel = objc.IBOutlet()
+       loadingIndicator = objc.IBOutlet()
+
+       previewWindow = objc.IBOutlet()
+       previewText = objc.IBOutlet()
+
+       playlistModel = objc.IBOutlet()
+       folderModel = objc.IBOutlet()
+
 
        def awakeFromNib(self):
                self.runningGenerator = False
@@ -141,6 +148,7 @@ class NotiPodController(NSObject):
        def runGenerator(self, func, finish):
                assert not self.runningGenerator
                self.runningGenerator = True
+               self.loadingIndicator.startAnimation_(self)
                NSApp.beginSheet_modalForWindow_modalDelegate_didEndSelector_contextInfo_(self.loadingSheet, self.window, None, None, None)
                arg = (func(), finish)
                self.performSelectorInBackground_withObject_(self.runGeneratorThread, arg)
@@ -161,12 +169,43 @@ class NotiPodController(NSObject):
                self.runningGenerator = False
                NSApp.endSheet_(self.loadingSheet)
                self.loadingSheet.orderOut_(self)
+               self.loadingIndicator.stopAnimation_(self)
                finish()
 
        @objc.IBAction
        def doCancel_(self, sender):
                self.runningGenerator = False
 
+       def doPreviewThread(self):
+               yield "Calculating changes..."
+
+               folder = self.folders()[0]
+               playlists = [self.library.get_playlist_pid(pid) for pid in self.playlists()]
+
+               all_tracks = []
+               for playlist in playlists:
+                       all_tracks.extend(playlist.tracks)
+
+               gen = libnotipod.sync(
+                       dry_run=True,
+                       source=self.library.folder,
+                       dest=folder, 
+                       files_to_copy=all_tracks
+               )
+               self.previewResult = "\n".join(gen)
+
+       @objc.IBAction
+       def doPreview_(self, sender):
+               self.previewResult = ""
+               self.previewWindow.orderOut_(self)
+
+               def finish():
+                       self.previewText.textStorage().mutableString().setString_(self.previewResult)
+                       self.previewWindow.center()
+                       self.previewWindow.makeKeyAndOrderFront_(self)
+
+               self.runGenerator(self.doPreviewThread, finish)
+
        @objc.IBAction
        def doSync_(self, sender):
                folder = self.folders()[0]