Source Code for Module pyjamas.ui.TabPanel

  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  from __pyjamas__ import console 
 18   
 19  from Composite import Composite 
 20  from DeckPanel import DeckPanel 
 21  from VerticalPanel import VerticalPanel 
 22  from TabBar import TabBar 
 23   
 24 -class TabPanel(Composite): 
 25 -    def __init__(self, tabBar=None, **kwargs): 
 26          self.tab_children = [] # TODO: can self.children be used instead? 
 27          self.deck = DeckPanel(StyleName="gwt-TabPanelBottom") 
 28          if tabBar is None: 
 29              self.tabBar = TabBar() 
 30          else: 
 31              self.tabBar = tabBar 
 32          self.tabListeners = [] 
 33   
 34          # this is awkward: VerticalPanel is the composite, 
 35          # so we get the element here, and pass it in to VerticalPanel. 
 36          element = None 
 37          if kwargs.has_key('Element'): 
 38              element = kwargs.pop('Element') 
 39   
 40          panel = VerticalPanel(Element=element) 
 41          panel.add(self.tabBar) 
 42          panel.add(self.deck) 
 43   
 44          panel.setCellHeight(self.deck, "100%") 
 45          self.tabBar.setWidth("100%") 
 46          self.tabBar.addTabListener(self) 
 47   
 48          if not kwargs.has_key('StyleName'): kwargs['StyleName']="gwt-TabPanel" 
 49   
 50          Composite.__init__(self, panel, **kwargs) 
 51   
 52 -    def add(self, widget, tabText=None, asHTML=False): 
 53          """ tabText=None now means insert a spacer, pushed out at 100% 
 54              width so that any subsequent tabs added will be pushed to 
 55              the right hand side 
 56          """ 
 57          self.insert(widget, tabText, asHTML, self.getWidgetCount()) 
 58   
 59 -    def addTabListener(self, listener): 
 60          self.tabListeners.append(listener) 
 61   
 62 -    def clear(self): 
 63          while self.getWidgetCount() > 0: 
 64              self.remove(self.getWidget(0)) 
 65   
 66 -    def getDeckPanel(self): 
 67          return self.deck 
 68   
 69 -    def getTabBar(self): 
 70          return self.tabBar 
 71   
 72 -    def getWidget(self, index): 
 73          return self.tab_children[index] 
 74   
 75 -    def getWidgetCount(self): 
 76          return len(self.tab_children) 
 77   
 78 -    def getWidgetIndex(self, child): 
 79          return self.tab_children.index(child) 
 80   
 81 -    def insert(self, widget, tabText, asHTML=False, beforeIndex=None): 
 82          if beforeIndex is None: 
 83              beforeIndex = asHTML 
 84              asHTML = False 
 85   
 86          self.tab_children.insert(beforeIndex, widget) 
 87          self.tabBar.insertTab(tabText, asHTML, beforeIndex) 
 88          self.deck.insert(widget, beforeIndex) 
 89   
 90 -    def __iter__(self): 
 91          return self.tab_children.__iter__() 
 92   
 93 -    def onBeforeTabSelected(self, sender, tabIndex): 
 94          for listener in self.tabListeners: 
 95              if not listener.onBeforeTabSelected(sender, tabIndex): 
 96                  return False 
 97          return True 
 98   
 99 -    def onTabSelected(self, sender, tabIndex): 
100          self.deck.showWidget(tabIndex) 
101          for listener in self.tabListeners: 
102              listener.onTabSelected(sender, tabIndex) 
103   
104 -    def remove(self, widget): 
105          if isinstance(widget, int): 
106              widget = self.getWidget(widget) 
107   
108          index = self.getWidgetIndex(widget) 
109          if index == -1: 
110              return False 
111   
112          self.tab_children.remove(widget) 
113          self.tabBar.removeTab(index) 
114          self.deck.remove(widget) 
115          return True 
116   
117 -    def removeTabListener(self, listener): 
118          self.tabListeners.remove(listener) 
119   
120 -    def selectTab(self, index): 
121          self.tabBar.selectTab(index) 
122   
123  Factory.registerClass('pyjamas.ui.TabPanel', TabPanel) 
124