Source Code for Module library.pyjamas.ui.ComplexPanel

 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.Panel import Panel 
19   
20 -class ComplexPanel(Panel): 
21      """ 
22          Superclass for widgets with multiple children. 
23      """ 
24 -    def add(self, widget, container=None): 
25          if container is not None: 
26              self.insert(widget, container, self.getWidgetCount()) 
27          else: 
28              self.insert(widget, self.getWidgetCount()) 
29   
30 -    def insert(self, widget, container, beforeIndex=None): 
31          """ has two modes of operation: 
32              widget, beforeIndex 
33              widget, container, beforeIndex. 
34              if beforeIndex argument is not given, the 1st mode is assumed. 
35              this technique is less costly than using *args. 
36          """ 
37          if widget.getParent() == self: 
38              return 
39   
40          if beforeIndex is None: 
41              beforeIndex = container 
42              container = self.getElement() 
43   
44          self.adopt(widget, container) 
45          self.children.insert(beforeIndex, widget) 
46   
47 -    def remove(self, widget): 
48          if isinstance(widget, int): 
49              widget = self.getWidget(widget) 
50          if widget not in self.getChildren(): 
51              return False 
52   
53          self.disown(widget) 
54          self.getChildren().remove(widget) 
55   
56          return True 
57   
58   
59  Factory.registerClass('pyjamas.ui.ComplexPanel', 'ComplexPanel', ComplexPanel) 
60