From 64e44eef78c26d1d6d5a1662ad1d105fb96e9061 Mon Sep 17 00:00:00 2001
From: Stefan Pluecken <stefan.pluecken@multimedia-labs.de>
Date: Tue, 6 Dec 2005 18:35:55 +0000
Subject: factorize the conditionalPixmap

---
 lib/python/Components/ConditionalWidget.py | 67 ++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 lib/python/Components/ConditionalWidget.py

(limited to 'lib/python/Components/ConditionalWidget.py')

diff --git a/lib/python/Components/ConditionalWidget.py b/lib/python/Components/ConditionalWidget.py
new file mode 100644
index 00000000..5ff77980
--- /dev/null
+++ b/lib/python/Components/ConditionalWidget.py
@@ -0,0 +1,67 @@
+import skin
+from GUIComponent import *
+
+from enigma import *
+
+class Widget(GUIComponent):
+	
+	SHOWN = 0
+	HIDDEN = 1
+	
+	def __init__(self):
+		GUIComponent.__init__(self)
+		self.instance = None
+		self.state = self.SHOWN
+	
+	def GUIcreate(self, parent):
+		self.instance = self.createWidget(parent)
+	
+	def GUIdelete(self):
+		self.removeWidget(self.instance)
+		self.instance = None
+	
+	def removeWidget(self, w):
+		pass
+	
+	def showWidget(self):
+		self.state = self.SHOWN
+		self.instance.show()
+
+	def hideWidget(self):
+		self.state = self.HIDDEN
+		self.instance.hide()
+	
+	def removeWidget(self, instance):
+		pass
+
+class ConditionalWidget(Widget):
+	def __init__(self, withTimer = True):
+		Widget.__init__(self)
+		
+		self.setConnect(None)
+		
+		if (withTimer):
+			self.conditionCheckTimer = eTimer()
+			self.conditionCheckTimer.timeout.get().append(self.update)
+			self.conditionCheckTimer.start(1000)
+		
+	def setConnect(self, conditionalFunction):
+		self.conditionalFunction = conditionalFunction
+		
+	def activateCondition(self, condition):
+		if (condition):
+			if (self.state == self.HIDDEN):
+				self.showWidget()
+		else:
+			if (self.state == self.SHOWN):
+				self.hideWidget()
+
+	def update(self):
+		if (self.conditionalFunction != None):
+			try:
+				self.conditionalFunction() # check, if the conditionalfunction is still valid
+			except:
+				self.conditionalFunction = None
+				self.activateCondition(False)
+			
+			self.activateCondition(self.conditionalFunction())
-- 
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