From: Fraxinas <andreas.frisch@multimedia-labs.de>
Date: Thu, 15 Jan 2009 12:21:08 +0000 (+0100)
Subject: allow styleable TemplatedMultiContent lists
X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=commitdiff_plain;h=2c9a0e18d4ad0b5a73abb5466ea2f70b61daf7fa

allow styleable TemplatedMultiContent lists
---

diff --git a/lib/python/Components/Converter/TemplatedMultiContent.py b/lib/python/Components/Converter/TemplatedMultiContent.py
index a1b601d..cc00455 100644
--- a/lib/python/Components/Converter/TemplatedMultiContent.py
+++ b/lib/python/Components/Converter/TemplatedMultiContent.py
@@ -11,16 +11,21 @@ class TemplatedMultiContent(StringList):
 		del l["args"]
 
 		self.template = eval(args, {}, l)
+		self.active_style = None
 		assert "fonts" in self.template
 		assert "itemHeight" in self.template
-		assert "template" in self.template
+		assert "template" in self.template or "templates" in self.template
+		assert "template" in self.template or "default" in self.template["templates"] # we need to have a default template
+
+		if not "template" in self.template: # default template can be ["template"] or ["templates"]["default"]
+			self.template["template"] = self.template["templates"]["default"]
 
 	def changed(self, what):
 		if not self.content:
 			from enigma import eListboxPythonMultiContent
 			self.content = eListboxPythonMultiContent()
 			self.content.setItemHeight(self.template["itemHeight"])
-			self.content.setTemplate(self.template["template"])
+			self.setTemplate()
 
 			# also setup fonts (also given by source)
 			index = 0
@@ -28,7 +33,28 @@ class TemplatedMultiContent(StringList):
 				self.content.setFont(index, f)
 				index += 1
 
+		# if only template changed, don't reload list
+		if what[0] == self.CHANGED_SPECIFIC and what[1] == "style":
+			self.setTemplate()
+			return
+			
 		if self.source:
 			self.content.setList(self.source.list)
+			self.setTemplate()
 
 		self.downstream_elements.changed(what)
+
+	def setTemplate(self):
+		if self.source:
+			style = self.source.style
+			if style == self.active_style:
+				return # style did not change
+
+			# if skin defined "templates", that means that it defines multiple styles in a dict. template should still be a default 
+			templates = self.template.get("templates")
+			template = self.template.get("template")
+
+			if templates and style: # if we have a custom style defined in the source, and different templates in the skin, look it up
+				template = templates.get(self.source.style, template) # default to default template
+
+			self.content.setTemplate(template)
diff --git a/lib/python/Components/Sources/List.py b/lib/python/Components/Sources/List.py
index ef9c1c8..26c68ab 100644
--- a/lib/python/Components/Sources/List.py
+++ b/lib/python/Components/Sources/List.py
@@ -17,6 +17,7 @@ to generate HTML."""
 		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
@@ -76,17 +77,21 @@ to generate HTML."""
 			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"