generic show/hide support for GUIComponents

[enigma2.git] / lib / python / Components / ConditionalWidget.py

diff --git a/lib/python/Components/ConditionalWidget.py b/lib/python/Components/ConditionalWidget.py
index 5ff77980a12634b68a2f0f24e6674ac5747e6d6d..07d59e02be63a658a259cc148197e0785015a751 100644 (file)
--- a/lib/python/Components/ConditionalWidget.py
+++ b/lib/python/Components/ConditionalWidget.py
@@ -4,17 +4,13 @@ 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)
+               if self.state == self.HIDDEN:
+                       self.instance.hide()
        
        def GUIdelete(self):
                self.removeWidget(self.instance)
@@ -23,17 +19,9 @@ class Widget(GUIComponent):
        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 move(self, x, y):
+               self.instance.move(ePoint(int(x), int(y)))
        
-       def removeWidget(self, instance):
-               pass
-
 class ConditionalWidget(Widget):
        def __init__(self, withTimer = True):
                Widget.__init__(self)
@@ -50,18 +38,63 @@ class ConditionalWidget(Widget):
                
        def activateCondition(self, condition):
                if (condition):
-                       if (self.state == self.HIDDEN):
-                               self.showWidget()
+                       if self.state == self.HIDDEN:
+                               self.show()
                else:
-                       if (self.state == self.SHOWN):
-                               self.hideWidget()
+                       if self.state == self.SHOWN:
+                               self.hide()
 
        def update(self):
                if (self.conditionalFunction != None):
                        try:
                                self.conditionalFunction() # check, if the conditionalfunction is still valid
+                               self.activateCondition(self.conditionalFunction())
                        except:
                                self.conditionalFunction = None
                                self.activateCondition(False)
                        
-                       self.activateCondition(self.conditionalFunction())
+import time
+
+class BlinkingWidget(Widget):
+       def __init__(self):
+               Widget.__init__(self)
+               
+               self.blinking = True
+               
+               self.setBlinkTime(500)
+
+               self.timer = eTimer()
+               self.timer.timeout.get().append(self.blink)
+       
+       def setBlinkTime(self, time):
+               self.blinktime = time
+               
+       def blink(self):
+               if self.blinking == True:
+                       if self.state == self.SHOWN:
+                               self.hide()
+                       elif self.state == self.HIDDEN:
+                               self.show()
+                       
+       def startBlinking(self):
+               self.blinking = True
+               self.timer.start(self.blinktime)
+               
+       def stopBlinking(self):
+               self.blinking = False
+               if self.state == self.SHOWN:
+                       self.hide()
+               self.timer.stop()
+               
+class BlinkingWidgetConditional(BlinkingWidget, ConditionalWidget):
+       def __init__(self):
+               BlinkingWidget.__init__(self)
+               ConditionalWidget.__init__(self)
+               
+       def activateCondition(self, condition):
+               if (condition):
+                       if not self.blinking: # we are already blinking
+                               self.startBlinking()
+               else:
+                       if self.blinking: # we are blinking
+                               self.stopBlinking()