def __init__(self):
        Composite.__init__(self)
        panel = VerticalPanel()
        headerPanel = VerticalPanel()
        self.subject = HTML()
        self.sender = HTML()
        self.recipient = HTML()
        self.body = HTML()
        self.scroller = ScrollPanel(self.body)

        self.body.setWordWrap(True)

        headerPanel.add(self.subject)
        headerPanel.add(self.sender)
        headerPanel.add(self.recipient)
        headerPanel.setWidth("100%")

        innerPanel = DockPanel()
        innerPanel.add(headerPanel, DockPanel.NORTH)
        innerPanel.add(self.scroller, DockPanel.CENTER)

        innerPanel.setCellHeight(self.scroller, "100%")
        panel.add(innerPanel)
        innerPanel.setSize("100%", "100%")
        self.scroller.setSize("100%", "100%")
        self.initWidget(panel)

        self.setStyleName("mail-Detail")
        headerPanel.setStyleName("mail-DetailHeader")
        innerPanel.setStyleName("mail-DetailInner")
        self.subject.setStyleName("mail-DetailSubject")
        self.sender.setStyleName("mail-DetailSender")
        self.recipient.setStyleName("mail-DetailRecipient")
        self.body.setStyleName("mail-DetailBody")
class NavBar(Composite):

    def __init__(self, owner):
        Composite.__init__(self)
        self.owner = owner
        self.bar = DockPanel()
        self.gotoFirst = Button("<<", self)
        self.gotoNext = Button(">", self)
        self.gotoPrev = Button("<", self)
        self.status = HTML()
        
        self.initWidget(self.bar)
        self.bar.setStyleName("navbar")
        self.status.setStyleName("status")
        
        buttons = HorizontalPanel()
        buttons.add(self.gotoFirst)
        buttons.add(self.gotoPrev)
        buttons.add(self.gotoNext)
        self.bar.add(buttons, DockPanel.EAST)
        self.bar.setCellHorizontalAlignment(buttons, HasAlignment.ALIGN_RIGHT)
        self.bar.add(self.status, DockPanel.CENTER)
        self.bar.setVerticalAlignment(HasAlignment.ALIGN_MIDDLE)
        self.bar.setCellHorizontalAlignment(self.status, HasAlignment.ALIGN_RIGHT)
        self.bar.setCellVerticalAlignment(self.status, HasAlignment.ALIGN_MIDDLE)
        self.bar.setCellWidth(self.status, "100%")
        
        self.gotoPrev.setEnabled(False)
        self.gotoFirst.setEnabled(False)
        
    def onClick(self, sender):
        if sender == self.gotoNext:
            self.owner.startRow += self.owner.getDataRowCount()
            self.owner.refresh()
        elif sender == self.gotoPrev:
            self.owner.startRow -= self.owner.getDataRowCount()
            if self.owner.startRow < 0:
                self.owner.startRow = 0
            self.owner.refresh()
        elif sender == self.gotoFirst:
            self.owner.startRow = 0
            self.owner.refresh()
class KitchenSink:

    def onHistoryChanged(self, token):
        print "history changed", token
        info = self.sink_list.find(token)
        if info:
            self.show(info, False)
        else:
            self.showInfo()

    def onModuleLoad(self):
        self.curInfo=''
        self.curSink=None
        self.description=HTML()
        self.sink_list=SinkList()
        self.panel=DockPanel()
        
        self.loadSinks()
        self.sinkContainer = DockPanel()
        self.sinkContainer.setStyleName("ks-Sink")

        vp=VerticalPanel()
        vp.setWidth("100%")
        vp.add(self.description)
        vp.add(self.sinkContainer)

        self.description.setStyleName("ks-Info")

        self.panel.add(self.sink_list, DockPanel.WEST)
        self.panel.add(vp, DockPanel.CENTER)

        self.panel.setCellVerticalAlignment(self.sink_list, HasAlignment.ALIGN_TOP)
        self.panel.setCellWidth(vp, "100%")

        History().addHistoryListener(self)
        RootPanel().add(self.panel)
        #RootPanel().add(Logger())

        #Show the initial screen.
        initToken = History().getToken()
        if len(initToken):
            self.onHistoryChanged(initToken)
        else:
			self.showInfo()

    def show(self, info, affectHistory):
        if info == self.curInfo: return
        self.curInfo = info

        #Logger().write("", "showing " + info.getName())
        if self.curSink <> None:
            self.curSink.onHide()
            #Logger().write("", "removing " + self.curSink)
            self.sinkContainer.remove(self.curSink)

        self.curSink = info.getInstance()
        self.sink_list.setSinkSelection(info.getName())
        self.description.setHTML(info.getDescription())

        if (affectHistory):
            History().newItem(info.getName())

        self.sinkContainer.add(self.curSink, DockPanel.CENTER)
        self.sinkContainer.setCellWidth(self.curSink, "100%")
        self.sinkContainer.setCellHeight(self.curSink, "100%")
        self.sinkContainer.setCellVerticalAlignment(self.curSink, HasAlignment.ALIGN_TOP)
        self.curSink.onShow()
        
    def loadSinks(self):
        self.sink_list.addSink(Info.init())
        self.sink_list.addSink(Buttons.init())
        self.sink_list.addSink(Menus.init())
        self.sink_list.addSink(Images.init())
        self.sink_list.addSink(Layouts.init())
        self.sink_list.addSink(Lists.init())
        self.sink_list.addSink(Popups.init())
        self.sink_list.addSink(Tables.init())
        self.sink_list.addSink(Text.init())
        self.sink_list.addSink(Trees.init())
        self.sink_list.addSink(Frames.init())
        self.sink_list.addSink(Tabs.init())

    def showInfo(self):
        self.show(self.sink_list.find("Info"), False)