Components/Converter: add ValueToPixmap converter to convert a given path or language code to a pixmap pointer e.g. used by the pixmap renderer. refs #750

1 files changed, 40 insertions, 0 deletions

diff --git a/lib/python/Components/Converter/ValueToPixmap.py b/lib/python/Components/Converter/ValueToPixmap.py
new file mode 100644
index 00000000..2ab695ad
--- /dev/null
+++ b/lib/python/Components/Converter/ValueToPixmap.py
@@ -0,0 +1,40 @@
+from Components.Converter.Converter import Converter
+from Components.Element import cached, ElementError
+from Tools.Directories import fileExists, SCOPE_SKIN_IMAGE, SCOPE_CURRENT_SKIN, resolveFilename
+from Tools.LoadPixmap import LoadPixmap
+
+
+class ValueToPixmap(Converter, object):
+	LANGUAGE_CODE = 0
+	PATH = 1
+	
+	def __init__(self, type):
+		Converter.__init__(self, type)
+		if type == "LanguageCode":
+			self.type = self.LANGUAGE_CODE
+		elif type == "Path":
+			self.type = self.PATH
+		else:
+			raise ElementError("'%s' is not <LanguageCode|Path> for ValueToPixmap converter" % type)
+
+	@cached
+	def getPixmap(self):
+		if self.source:
+			val = self.source.text
+			if val in (None, ""):
+				return None
+		if self.type == self.PATH:
+			return LoadPixmap(val)
+		if self.type == self.LANGUAGE_CODE:
+			png = LoadPixmap(resolveFilename(SCOPE_CURRENT_SKIN, "countries/" + val[3:].lower() + ".png"))
+			if png == None:
+				png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "countries/missing.png"))
+			return png
+		return None			
+	
+	pixmap = property(getPixmap)
+
+	def changed(self, what):
+		if what[0] != self.CHANGED_SPECIFIC or what[1] == self.type:
+			Converter.changed(self, what)
+