Source Code for Module pyjamas.ui.RichTextAreaImpl

 1  """ 
 2  * Copyright 2007 Google Inc. 
 3  # Copyright (C) 2009 Luke Kenneth Casson Leighton <lkcl@lkcl.net> 
 4  * 
 5  * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 6  * use this file except in compliance with the License. You may obtain a copy of 
 7  * the License at 
 8  * 
 9  * http:#www.apache.org/licenses/LICENSE-2.0 
10  * 
11  * Unless required by applicable law or agreed to in writing, software 
12  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
13  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
14  * License for the specific language governing permissions and limitations under 
15  * the License. 
16  """ 
17   
18   
19  from pyjamas import DOM 
20   
21  from pyjamas.ui import Event 
22  from pyjamas.ui import Focus 
23   
24  """* 
25  * Base class for RichText platform implementations. The default version 
26  * simply creates a text area with no rich text support. 
27  * 
28  * This is not currently used by any user-agent, but will provide a 
29  * &lt;textarea&gt; fallback in the event a future browser fails to implement 
30  * rich text editing. 
31  """ 
32 -class RichTextAreaImpl: 
33       
34 -    def __init__(self): 
35          self.elem = self.createElement() 
36       
37       
38 -    def getElement(self): 
39          return self.elem 
40       
41       
42 -    def getHTML(self): 
43          return DOM.getElementProperty(self.elem, "value") 
44       
45       
46 -    def getText(self): 
47          return DOM.getElementProperty(self.elem, "value") 
48       
49       
50 -    def initElement(self): 
51          onElementInitialized() 
52       
53       
54 -    def isBasicEditingSupported(self): 
55          return False 
56       
57       
58 -    def isExtendedEditingSupported(self): 
59          return False 
60       
61       
62 -    def setHTML(self, html): 
63          DOM.setElementProperty(self.elem, "value", html) 
64       
65       
66 -    def setText(self, text): 
67          DOM.setElementProperty(self.elem, "value", text) 
68       
69       
70 -    def uninitElement(self): 
71          pass 
72       
73       
74 -    def setFocus(self, focused): 
75          if (focused): 
76              Focus.focus(self.getElement()) 
77          else: 
78              Focus.blur(self.getElement()) 
79   
80 -    def createElement(self): 
81          return DOM.createTextArea() 
82       
83       
84 -    def hookEvents(self): 
85          DOM.sinkEvents(self.elem, Event.MOUSEEVENTS | Event.KEYEVENTS | Event.ONCHANGE 
86          | Event.ONCLICK | Event.FOCUSEVENTS) 
87       
88       
89 -    def onElementInitialized(self): 
90          self.hookEvents() 
91