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tag: 0.8.1a
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from pyjamas.ui.Sink import Sink, SinkInfo
from pyjamas.ui.TabPanel import TabPanel
from pyjamas.ui import HasAlignment
from pyjamas.ui.Image import Image
from pyjamas.ui.VerticalPanel import VerticalPanel
class Tabs(Sink):
def __init__(self):
Sink.__init__(self)
self.fTabs = TabPanel()
self.fTabs.addTabListener(self)
self.fTabs.add(self.createImage(self.baseURL() + "rembrandt/JohannesElison.jpg"), "1634")
self.fTabs.add(self.createImage(self.baseURL() + "rembrandt/SelfPortrait1640.jpg"), "1640")
self.fTabs.add(self.createImage(self.baseURL() + "rembrandt/LaMarcheNocturne.jpg"), "1642")
self.fTabs.add(self.createImage(self.baseURL() + "rembrandt/TheReturnOfTheProdigalSon.jpg"), "1662")
self.fTabs.add(self.createImage(self.baseURL() + "rembrandt/TheReturnOfTheProdigalSon.jpg"), "1662 (disabled)")
self.fTabs.selectTab(0)
self.fTabs.setWidth("100%")
self.fTabs.setHeight("100%")
self.initWidget(self.fTabs)
def onShow(self):
pass
def createImage(self, imageUrl):
image = Image(imageUrl)
image.setStyleName("ks-images-Image")
p = VerticalPanel()
p.setHorizontalAlignment(HasAlignment.ALIGN_CENTER)
p.setVerticalAlignment(HasAlignment.ALIGN_MIDDLE)
p.add(image)
return p
def onBeforeTabSelected(self, sender, tabIndex):
# Returning False disables the tab.
if tabIndex == 4:
return False
return True
def onTabSelected(self, sender, tabIndex):
bar = self.fTabs.getTabBar()
if tabIndex == 0:
bar.getTabWidget(0).setText('1634 (selected)')
else:
bar.getTabWidget(0).setText('1634 (not selected)')
def init():
text="This page demonstrates GWT's support for images. Notice in particular how it uses the image's onLoad event to display a 'wait spinner' between the back and forward buttons."
text="GWT's built-in <code>TabPanel</code> class makes it easy to build tabbed dialogs "
text+="and the like. Notice that no page load occurs when you select the "
text+="different tabs in this page. That's the magic of dynamic HTML."
return SinkInfo("Tabs", text, Tabs)
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