def __init__(self):
Sink.__init__(self)
self.curImage=0
self.image=Image()
self.loadingImage = Image(self.baseURL() + "images/blanksearching.gif")
self.nextButton = Image(self.baseURL() + "rembrandt/forward.gif")
self.prevButton = Image(self.baseURL() + "rembrandt/back.gif")
self.sImages=["rembrandt/JohannesElison.jpg", "rembrandt/LaMarcheNocturne.jpg", "rembrandt/SelfPortrait1628.jpg", "rembrandt/SelfPortrait1640.jpg", "rembrandt/TheArtistInHisStudio.jpg", "rembrandt/TheReturnOfTheProdigalSon.jpg"]
for i in range(len(self.sImages)):
self.sImages[i]=self.baseURL() + self.sImages[i]
self.image.addLoadListener(self)
self.prevButton.addClickListener(self)
self.nextButton.addClickListener(self)
topPanel = DockPanel()
topPanel.setVerticalAlignment(HasAlignment.ALIGN_MIDDLE)
topPanel.add(self.prevButton, DockPanel.WEST)
topPanel.add(self.nextButton, DockPanel.EAST)
topPanel.add(self.loadingImage, DockPanel.CENTER)
panel = VerticalPanel()
panel.setHorizontalAlignment(HasAlignment.ALIGN_CENTER)
panel.add(HTML("<h2>A Bit of Rembrandt</h2>", True))
panel.add(topPanel)
panel.add(self.image)
panel.setWidth("100%")
self.initWidget(panel)
self.image.setStyleName("ks-images-Image")
self.nextButton.setStyleName("ks-images-Button")
self.prevButton.setStyleName("ks-images-Button")
self.loadImage(0)
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()
