Source Code for Module pyjamas.ui.CheckBox

  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 ButtonBase import ButtonBase 
 19  from pyjamas.ui import Event 
 20  from pyjamas.ui import Focus 
 21   
 22  _CheckBox_unique_id=0; 
 23   
 24 -class CheckBox(ButtonBase): 
 25   
 26 -    def __init__(self, label=None, asHTML=False, **kwargs): 
 27          if not kwargs.has_key('StyleName'): kwargs['StyleName']="gwt-CheckBox" 
 28          if label: 
 29              if asHTML: 
 30                  kwargs['HTML'] = label 
 31              else: 
 32                  kwargs['Text'] = label 
 33   
 34          self.initElement(DOM.createInputCheck(), **kwargs) 
 35   
 36 -    def initElement(self, element, **kwargs): 
 37          self.inputElem = element 
 38          self.labelElem = DOM.createLabel() 
 39          if kwargs.has_key('Element'): 
 40              element = kwargs.pop('Element') 
 41          else: 
 42              element = DOM.createSpan() 
 43          ButtonBase.__init__(self, element, **kwargs) 
 44   
 45          self.unsinkEvents(Event.FOCUSEVENTS| Event.ONCLICK) 
 46          DOM.sinkEvents(self.inputElem, Event.FOCUSEVENTS | Event.ONCLICK | DOM.getEventsSunk(self.inputElem)) 
 47   
 48          DOM.appendChild(self.getElement(), self.inputElem) 
 49          DOM.appendChild(self.getElement(), self.labelElem) 
 50   
 51          uid = "check%d" % self.getUniqueID() 
 52          DOM.setAttribute(self.inputElem, "id", uid) 
 53          DOM.setAttribute(self.labelElem, "htmlFor", uid) 
 54   
 55      # emulate static 
 56 -    def getUniqueID(self): 
 57          global _CheckBox_unique_id 
 58          _CheckBox_unique_id += 1 
 59          return _CheckBox_unique_id; 
 60   
 61 -    def getHTML(self): 
 62          return DOM.getInnerHTML(self.labelElem) 
 63   
 64 -    def getName(self): 
 65          return DOM.getAttribute(self.inputElem, "name") 
 66   
 67 -    def getText(self): 
 68          return DOM.getInnerText(self.labelElem) 
 69   
 70 -    def setChecked(self, checked): 
 71          DOM.setBooleanAttribute(self.inputElem, "checked", checked) 
 72          DOM.setBooleanAttribute(self.inputElem, "defaultChecked", checked) 
 73   
 74 -    def isChecked(self): 
 75          if self.isAttached(): 
 76              propName = "checked" 
 77          else: 
 78              propName = "defaultChecked" 
 79   
 80          return DOM.getBooleanAttribute(self.inputElem, propName) 
 81   
 82 -    def isEnabled(self): 
 83          return not DOM.getBooleanAttribute(self.inputElem, "disabled") 
 84   
 85 -    def setEnabled(self, enabled): 
 86          DOM.setBooleanAttribute(self.inputElem, "disabled", not enabled) 
 87   
 88 -    def setFocus(self, focused): 
 89          if focused: 
 90              Focus.focus(self.inputElem) 
 91          else: 
 92              Focus.blur(self.inputElem) 
 93   
 94 -    def setHTML(self, html): 
 95          DOM.setInnerHTML(self.labelElem, html) 
 96   
 97 -    def setName(self, name): 
 98          DOM.setAttribute(self.inputElem, "name", name) 
 99   
100 -    def setTabIndex(self, index): 
101          Focus.setTabIndex(self.inputElem, index) 
102   
103 -    def setText(self, text): 
104          DOM.setInnerText(self.labelElem, text) 
105   
106 -    def onDetach(self): 
107          self.setChecked(self.isChecked()) 
108          ButtonBase.onDetach(self) 
109   
110  Factory.registerClass('pyjamas.ui.CheckBox', CheckBox) 
111