X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/da2832478f13de61ba213fe8fe8f20a21b442d4b..2e02d72e10207215592e4aeda8b1c5cf18f7115a:/lib/python/Components/Sources/List.py

diff --git a/lib/python/Components/Sources/List.py b/lib/python/Components/Sources/List.py
index 82504401..26c68ab5 100644
--- a/lib/python/Components/Sources/List.py
+++ b/lib/python/Components/Sources/List.py
@@ -16,6 +16,8 @@ to generate HTML."""
 		self.item_height = item_height
 		self.fonts = fonts
 		self.disable_callbacks = False
+		self.enableWrapAround = enableWrapAround
+		self.__style = "default" # style might be an optional string which can be used to define different visualisations in the skin
 
 	def setList(self, list):
 		self.__list = list
@@ -26,6 +28,9 @@ 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:
@@ -43,6 +48,7 @@ to generate HTML."""
 	def setIndex(self, index):
 		if self.master is not None:
 			self.master.index = index
+			self.selectionChanged(index)
 
 	@cached
 	def getIndex(self):
@@ -54,18 +60,38 @@ to generate HTML."""
 	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
+		self.setIndex(self.index)
+
+	def selectPrevious(self):
+		if self.getIndex() - 1 < 0:
+			if self.enableWrapAround:
+				self.index = self.count() - 1
+		else:
+			self.index -= 1
+		self.setIndex(self.index)
+
+	@cached
+	def getStyle(self):
+		return self.__style
+
+	def setStyle(self, style):
+		self.__style = style
+		self.changed((self.CHANGED_SPECIFIC, "style"))
+
+	style = property(getStyle, setStyle)
 
 	def updateList(self, list):
 		"""Changes the list without changing the selection or emitting changed Events"""
 		assert len(list) == len(self.__list)
-		print "get old index"
 		old_index = self.index
-		print "disable callback"
 		self.disable_callbacks = True
-		print "set list"
 		self.list = list
-		print "set index"
 		self.index = old_index
-		print "reenable callbacks"
 		self.disable_callbacks = False
-		print "done"