add a class PixmapConditional, in which the pixmap is only displayed, when a conditio...

[vuplus_dvbapp] / lib / python / Components / Pixmap.py

diff --git a/lib/python/Components/Pixmap.py b/lib/python/Components/Pixmap.py
index b6620d9..a98fef1 100644 (file)
--- a/lib/python/Components/Pixmap.py
+++ b/lib/python/Components/Pixmap.py
@@ -22,3 +22,30 @@ class Pixmap:
        
        def removeWidget(self, instance):
                pass
+
+class PixmapConditional(Pixmap):
+       def __init__(self, withTimer = True):
+               Pixmap.__init__(self)
+               
+               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):
+                       self.instance.hide()
+               else:
+                       self.instance.show()
+
+       def update(self):
+               try:
+                       self.conditionalFunction() # check, if the conditionalfunction is still valid
+               except:
+                       self.conditionalFunction = None
+                       self.activateCondition(False)
+                       
+               self.activateCondition(self.conditionalFunction())