Hi,
I know there is a lot of doc in the web, but I cannot understand well many
things...please feel free to help me:
#1 Does addClickListener() and addClickHandler() does the exact same thing
(listener is just deprecated) ?
#2 I have created the following widget:
public class AreaPlaceHolder__TA_heavy extends TextArea
{...
addFocusHandler(new FocusHandler() ...
addBlurHandler(new BlurHandler() ...
...}
BecauseI just have a onBlur and onFocus events to intercept, so I would
like to optimise this widget such as :
public class AreaPlaceHolder__TA_light extends AreaElement implements
BlurHandler, FocusHandler
{...
public void onFocus(FocusEvent event)...
public void onBlur(BlurEvent event)...
}...
- Is it the good/best way to have a lighter version of
AreaPlaceHolder__TA_heavy (and to always be able to use it in UI Binder)?
#3 When I create my own widget, I do not know
- when to extend Widget ?
- when to extend Composite ?
- when I am free to extend neither of them ? (I do not know if I need to
at least extend one of them)
#4 Finally, I really would like to use event Bubbling, there is a lot of
'little' code on the net, but nothing satisfy me...I mean, I would like to
write a little class where a HTMLPanel has 3 differents ButtonElement and the
HTMLPanel intercepts :
- a clickEvent on button1 and say "hello 1"
- a clickEvent on button2 and say "hello 2"
- a clickEvent on button3 and say "hello 3"
I just see complicated all theses DOM manipulation, sink event so if you
can give me the little example I need, I think I will be able to replace a
lot of widgets by there Elements and reduce a lot my code (useful for the
mobile version).
Thanks you a lot,
Axel
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