Thanks very much for the solution. After the constructor has finished
it's as supposed to be.
Ewald
public class MyTabPanel extends TabPanel {
int x, y;
public MyTabPanel() {
super();
setStyleName("TAB_PANEL");
setSize("100%", "100%");
add(new HTML("here is the first tab"), "TAB1");
add(new HTML("here is the second tab"), "TAB2");
add(new HTML("third tab"), "TAB3");
selectTab(0);
GWT.log("- X=[" + x + "] y=[" + y + "]", null);
}
public int getx() {
return(getAbsoluteLeft() + getOffsetWidth());
}
public int gety() {
return(getAbsoluteTop() + getOffsetHeight());
}
}
public class GWT25 implements EntryPoint {
int x, y;
public void onModuleLoad() {
MyTabPanel tp = new MyTabPanel();
RootPanel.get().setStyleName("ROOTPANEL");
RootPanel.get().add(tp);
x = tp.getAbsoluteLeft() + tp.getOffsetWidth();
y = tp.getAbsoluteTop() + tp.getOffsetHeight();
GWT.log("- X=[" + x + "] y=[" + y + "]", null);
x = tp.getTabBar().getAbsoluteLeft() + tp.getTabBar
().getOffsetWidth();
y = tp.getTabBar().getAbsoluteTop() + tp.getTabBar
().getOffsetHeight();
GWT.log("- X=[" + x + "] y=[" + y + "]", null);
GWT.log("- X=[" + tp.getx() + "] y=[" + tp.gety() + "]",
null);
}
}
On May 13, 12:01 pm, Magius <[email protected]> wrote:
> In not 100% sure but I remember that the size is 0 until the component
> is rendered.
> In this moment the browser calculates the layout of the page.
>
> And the browser executes first the js code, then update the DOM and
> finally it repaint the page.
> In this case, the final width and height are not available in the
> constructor.
>
> You can try using a resize event. I think it's called when the browser
> sets the initial values.
>
> On May 13, 4:57 am, Ewald Pankratz <[email protected]> wrote:
>
> > Hi all
> > I wounder why x and y are zero. Is this a bug? Maybe I do not
> > understand the meaning behind.
>
> > thanks.
>
> > public class MyTabPanel extends TabPanel {
>
> > int x, y;
>
> > public MyTabPanel() {
>
> > super();
>
> > setStyleName("TAB_PANEL");
> > setSize("100%", "100%");
>
> > add(new HTML("here is the first tab"), "TAB1");
> > add(new HTML("here is the second tab"), "TAB2");
> > add(new HTML("third tab"), "TAB3");
>
> > selectTab(0);
>
> > x = getAbsoluteLeft() + getOffsetWidth();
> > y = getAbsoluteTop() + getOffsetHeight();
>
> > GWT.log("- X=[" + x + "] y=[" + y + "]", null);
>
> > x = getTabBar().getAbsoluteLeft() + getTabBar
> > ().getOffsetWidth();
> > y = getTabBar().getAbsoluteTop() + getTabBar
> > ().getOffsetHeight();
>
> > GWT.log("- X=[" + x + "] y=[" + y + "]", null);
> > }
>
> > }
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