Source Code for Module library.pyjamas.ui.Composite

 1  # Copyright 2006 James Tauber and contributors 
 2  # Copyright (C) 2009 Luke Kenneth Casson Leighton <lkcl@lkcl.net> 
 3  # 
 4  # Licensed under the Apache License, Version 2.0 (the "License"); 
 5  # you may not use this file except in compliance with the License. 
 6  # You may obtain a copy of the License at 
 7  # 
 8  #     http://www.apache.org/licenses/LICENSE-2.0 
 9  # 
10  # Unless required by applicable law or agreed to in writing, software 
11  # distributed under the License is distributed on an "AS IS" BASIS, 
12  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
13  # See the License for the specific language governing permissions and 
14  # limitations under the License. 
15  from pyjamas import DOM 
16  from pyjamas import Factory 
17   
18  from pyjamas.ui.Widget import Widget 
19   
20 -class Composite(Widget): 
21 -    def __init__(self, widget=None, **kwargs): 
22          # this is all a bit awkward!  initialising 
23          # stuff that really should be done in Widget.__init__ 
24          # allows us to call self.initWidget here and thus 
25          # have **kwargs applied afterwards. 
26          self.widget = None 
27          self.attached = None 
28          if widget is not None: 
29              self.initWidget(widget) 
30          Widget.__init__(self, **kwargs) 
31   
32 -    def initWidget(self, widget): 
33          if self.widget is not None: 
34              return 
35   
36          widget.removeFromParent() 
37          self.setElement(widget.getElement()) 
38   
39          self.widget = widget 
40          widget.setParent(self) 
41   
42 -    def isAttached(self): 
43          if self.widget is not None: 
44              return self.widget.isAttached() 
45          return False 
46   
47 -    def onAttach(self): 
48          #print "Composite.onAttach", self 
49          self.widget.onAttach() 
50          DOM.setEventListener(self.getElement(), self); 
51   
52          self.onLoad() 
53   
54 -    def onDetach(self): 
55          self.widget.onDetach() 
56   
57 -    def setWidget(self, widget): 
58          self.initWidget(widget) 
59   
60 -    def onBrowserEvent(self, event): 
61          Widget.onBrowserEvent(self, event) # takes care of auto-handlers 
62          self.widget.onBrowserEvent(event) 
63   
64  Factory.registerClass('pyjamas.ui.Composite', 'Composite', Composite) 
65