On 1 juin, 13:59, cy dev <[email protected]> wrote: > i create a custom panel class which draws threads of messages inside. > each message (several Labels) is wrapped in a FlowPanel. the flow > panels are added to a LayoutPanel which i intend to do some > animation. however, i failed to get neither the height nor the > position of the flow panels > through .getAbsoluteTop()/.getOffsetHeight(). they always return 0 so > i cant arrange the positions of the flow panels. may someone help to > tell me how the position can be caught with the following codes? > > class MessageReply extends Composite { > private LayoutPanel lpanel = new LayoutPanel(); > > public MessageReply(){ > initWidget(lReplyPanel); > > FlowPanel fpanel = new FlowPanel(); > fpanel.add(new Label("test message")); > > lReplyPanel.add(fpanel); > int textHeight = fpanel.getOffsetHeight(); // i need this height > to put the flow panel to correct position but it always return 0 > } > }
You MessageReply isn't yet attached to the document, so it has no size yet. Try doing this in onLoad(). -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
