X-Git-Url: https://code.delx.au/notipod/blobdiff_plain/29b2c46f6b47c8f3a39157ccad85e74a381bf77f..4df5b7a6f44e423bb38036187b7a1102865d1942:/notipod_gui.py

diff --git a/notipod_gui.py b/notipod_gui.py
index f4c6dde..4c175a9 100644
--- a/notipod_gui.py
+++ b/notipod_gui.py
@@ -112,12 +112,18 @@ 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
 
@@ -170,6 +176,36 @@ class NotiPodController(NSObject):
 	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]