def newPositioner(self, context):
# Use two widgets so that setPixelSize() consistently affects dimensions
outer = SimplePanel()
outer.addStyleName(CSS_DRAGDROP_POSITIONER)
# place off screen for border calculation
RootPanel.get().add(outer, -500, -500)
# Ensure IE quirks mode returns valid outer.offsetHeight, and thus valid
outer.setWidget(self.DUMMY_LABEL_IE_QUIRKS_MODE_OFFSET_HEIGHT)
width = 0
height = 0
if isinstance(self.dropTarget,HorizontalPanel):
for widget in context.selectedWidgets:
width += widget.getOffsetWidth()
height = Math.max(height, widget.getOffsetHeight())
else:
for widget in context.selectedWidgets:
width = Math.max(width, widget.getOffsetWidth())
height += widget.getOffsetHeight()
inner = SimplePanel()
inner.setPixelSize(
width - DOMUtil.getHorizontalBorders(outer), height - DOMUtil.getVerticalBorders(outer))
outer.setWidget(inner)
return outer
def makePositioner(self, reference):
outer = SimplePanel() # Use two widgets so that setPixelSize() consistently affects dimensions
outer.addStyleName(CSS_DRAGDROP_POSITIONER)
outer.getElement().getStyle().setProperty("margin", "0px")
RootPanel.get().add(outer, -500, -500) # place off screen for border calculation
outer.setWidget(DUMMY_LABEL_IE_QUIRKS_MODE_OFFSET_HEIGHT) # Ensure IE quirks mode returns valid outer.offsetHeight, and thus valid
inner = SimplePanel()
inner.getElement().getStyle().setProperty("margin", "0px")
inner.getElement().getStyle().setProperty("border", "none")
offsetWidth = reference.getOffsetWidth() - DOMUtil.getHorizontalBorders(outer)
offsetHeight = reference.getOffsetHeight() - DOMUtil.getVerticalBorders(outer)
inner.setPixelSize(offsetWidth, offsetHeight)
outer.setWidget(inner)
return outer
