Source Code for Module pyjamas.ui.MultiListener

 1   
 2   
 3 -class MultiListener(object): 
 4      # The combinations that are coupled. E.g., if onFocus is defined, then 
 5      # onLostFocus should also be defined. The set method will substitute the 
 6      # missing methods with the ignore method. 
 7      # See also pyjamas.builder.Builder.eventListeners 
 8      combinations = dict( 
 9          onFocus = ["onLostFocus"], 
10          onLostFocus = ["onFocus"], 
11          onKeyDown = ["onKeyUp", "onKeyPress"], 
12          onKeyUp = ["onKeyPress", "onKeyDown"], 
13          onKeyPress = ["onKeyDown", "onKeyUp"], 
14          onMouseMove = ["onMouseDown","onMouseUp","onMouseEnter","onMouseLeave"], 
15          onMouseDown = ["onMouseUp","onMouseEnter","onMouseLeave","onMouseMove"], 
16          onMouseUp = ["onMouseEnter","onMouseLeave","onMouseMove","onMouseDown"], 
17          onMouseEnter = ["onMouseLeave","onMouseMove","onMouseDown","onMouseUp"], 
18          onMouseLeave = ["onMouseMove","onMouseDown","onMouseUp","onMouseEnter"], 
19          onTabSelected = ["onBeforeTabSelected"], 
20          onBeforeTabSelected = ["onTabSelected"], 
21      ) 
22   
23 -    def __init__(self, obj, **kwargs): 
24          self.set(obj, **kwargs) 
25   
26 -    def set(self, obj, **kwargs): 
27          """Check for missing event functions and substitute these with """ 
28          """the ignore method""" 
29          ignore = getattr(self, "ignore") 
30          for k, v in kwargs.iteritems(): 
31              setattr(self, k, getattr(obj, v)) 
32              if k in self.combinations: 
33                  for k1 in self.combinations[k]: 
34                      if not hasattr(self, k1): 
35                          setattr(self, k1, ignore) 
36   
37 -    def ignore(self, *args, **kwargs): 
38          """Ignore event""" 
39          # The methods returns True, which is only needed for the method 
40          # onBeforeTabSelected. 
41          return True 
42