From: Felix Domke <tmbinc@elitedvb.net>
Date: Mon, 24 Sep 2007 00:06:18 +0000 (+0000)
Subject: push down initial 'changed' event
X-Git-Tag: 2.6.0~1878
X-Git-Url: https://git.cweiske.de/enigma2.git/commitdiff_plain/67ea9ad86c87e61ff57ec78403f43fde0ceb7632

push down initial 'changed' event
---

diff --git a/lib/python/Components/Converter/StringListSelection.py b/lib/python/Components/Converter/StringListSelection.py
new file mode 100644
index 00000000..747a82a6
--- /dev/null
+++ b/lib/python/Components/Converter/StringListSelection.py
@@ -0,0 +1,24 @@
+from Components.Converter.Converter import Converter
+from Components.Element import cached
+
+class StringListSelection(Converter, object):
+	"extracts the first element of a the current string list  element for displaying it on LCD"
+	def __init__(self, args):
+		Converter.__init__(self, args)
+
+	def selChanged(self):
+		self.downstream_elements.changed((self.CHANGED_ALL, 0))
+
+	@cached
+	def getText(self):
+		cur = self.source.current
+		if cur and len(cur):
+			return cur[0]
+		return None
+
+	text = property(getText)
+
+	def changed(self, what):
+		if what[0] == self.CHANGED_DEFAULT:
+			self.source.onSelectionChanged.append(self.selChanged)
+		Converter.changed(self, what)