simplify GUIcreate/createWidget, fix base class order
[vuplus_dvbapp] / lib / python / Components / GUIComponent.py
index 8f6362f..afe9526 100644 (file)
@@ -2,15 +2,15 @@ import skin
 
 from enigma import ePoint
 
-class GUIComponent:
+class GUIComponent(object):
        """ GUI component """
        
        SHOWN = 0
        HIDDEN = 1
        
        def __init__(self):
-               self.state = self.SHOWN
                self.instance = None
+               self.state = self.SHOWN
        
        def execBegin(self):
                pass
@@ -37,11 +37,51 @@ class GUIComponent:
                self.instance.move(ePoint(int(x), int(y)))
 
        def show(self):
-               self.state = self.SHOWN
+               self.__state = self.SHOWN
                if self.instance is not None:
                        self.instance.show()
 
        def hide(self):
-               self.state = self.HIDDEN
+               self.__state = self.HIDDEN
                if self.instance is not None:
                        self.instance.hide()
+
+       def getState(self):
+               return self.__state
+       
+       def setState(self, state):
+               if state == self.SHOWN:
+                       self.show()
+               elif state == self.HIDDEN:
+                       self.hide()
+
+       state = property(getState, setState)
+
+       def setPosition(self, x, y):
+               self.instance.move(ePoint(int(x), int(y)))
+
+       def getPosition(self):
+               p = self.instance.position()
+               return (p.x(), p.y())
+
+       position = property(getPosition, setPosition)
+
+       # default implementation for only one widget per component
+       # feel free to override!
+       def GUIcreate(self, parent):
+               self.instance = self.createWidget(parent)
+               self.postWidgetCreate(self.instance)
+       
+       def GUIdelete(self):
+               self.preWidgetRemove(self.instance)
+               self.instance = None
+
+       # default for argumentless widget constructor
+       def createWidget(self, parent):
+               return self.GUI_WIDGET(parent)
+
+       def postWidgetCreate(self, instance):
+               pass
+       
+       def preWidgetRemove(self, instance):
+               pass