X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/a62e5192b59710f70a8610dbff84982ad6a98e46..1c6adfdbe104773d7a98377de6951da02ae1aac0:/lib/python/Components/Sources/List.py

diff --git a/lib/python/Components/Sources/List.py b/lib/python/Components/Sources/List.py
index 6d083f05..89e1e71c 100644
--- a/lib/python/Components/Sources/List.py
+++ b/lib/python/Components/Sources/List.py
@@ -1,5 +1,4 @@
 from Source import Source
-from Tools.Event import Event
 from Components.Element import cached
 
 class List(Source, object):
@@ -17,6 +16,7 @@ to generate HTML."""
 		self.item_height = item_height
 		self.fonts = fonts
 		self.disable_callbacks = False
+		self.enableWrapAround = enableWrapAround
 
 	def setList(self, list):
 		self.__list = list
@@ -27,11 +27,14 @@ to generate HTML."""
 	def entry_changed(self, index):
 		if not self.disable_callbacks:
 			self.downstream_elements.entry_changed(self, index)
+			
+	def count(self):
+		return len(self.__list)
 
 	def selectionChanged(self, index):
 		if self.disable_callbacks:
 			return
-			
+
 		for x in self.onSelectionChanged:
 			x()
 
@@ -44,17 +47,32 @@ to generate HTML."""
 	def setIndex(self, index):
 		if self.master is not None:
 			self.master.index = index
+			self.selectionChanged(index)
 
 	@cached
 	def getIndex(self):
 		if self.master is not None:
 			return self.master.index
 		else:
-			return -1
+			return None
 
 	setCurrentIndex = setIndex
 
 	index = property(getIndex, setIndex)
+	
+	def selectNext(self):
+		if self.getIndex() + 1 >= self.count():
+			if self.enableWrapAround:
+				self.index = 0
+		else:
+			self.index += 1
+
+	def selectPrevious(self):
+		if self.getIndex() - 1 < 0:
+			if self.enableWrapAround:
+				self.index = self.count() - 1
+		else:
+			self.index -= 1
 
 	def updateList(self, list):
 		"""Changes the list without changing the selection or emitting changed Events"""