I believe you need to instantiate an instance of your DockPanelDemo and add
it to a RootPanel.  See:
https://github.com/pyjs/pyjs/blob/master/examples/helloworld/Hello.py

Greg

On Sat, Dec 20, 2014 at 3:47 AM, Tabam <tabatha.mat...@gmail.com> wrote:

> Total beginner, I've worked through some examples and I'm trying to get
> ui.DockPanel to load, but all I get is white space under the formatted text:
> http://pyjs.org/examples/Showcase.html#test
>
> Shouldn't I at least see labels?  Here is the source code:
>
> *from* pyjamas*.*ui*.*SimplePanel *import* SimplePanel*from* 
> pyjamas*.*ui*.*DockPanel *import* DockPanel*from* pyjamas*.*ui*.*Label 
> *import* Label*from* pyjamas*.*ui *import* HasAlignment
> *class* DockPanelDemo*(*SimplePanel*)**:*
>     *def* __init__*(*self*)**:*
>         SimplePanel*.*__init__*(*self*)*
>
>         panel *=* DockPanel*(*BorderWidth*=*1*,* Padding*=*8*,*
>                           HorizontalAlignment*=*HasAlignment*.*ALIGN_CENTER*,*
>                           VerticalAlignment*=*HasAlignment*.*ALIGN_MIDDLE*)*
>
>         north  *=* Label*(*"North"*)*
>         west   *=* Label*(*"West"*)*
>         center *=* Label*(*"Center"*)*
>         east   *=* Label*(*"East"*)*
>         south  *=* Label*(*"South"*)*
>
>         panel*.*add*(*north*,*  DockPanel*.*NORTH*)*
>         panel*.*add*(*west*,*   DockPanel*.*WEST*)*
>         panel*.*add*(*center*,* DockPanel*.*CENTER*)*
>         panel*.*add*(*east*,*   DockPanel*.*EAST*)*
>         panel*.*add*(*south*,*  DockPanel*.*SOUTH*)*
>
>         panel*.*setCellHeight*(*center*,* "200px"*)*
>         panel*.*setCellWidth*(*center*,* "400px"*)*
>
>         self*.*add*(*panel*)*
>
>
>
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