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how to reduce number of widgets on gwt page

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I wonder if there a pattern to reduce number of widgets in the mobile app i am developing since they turn out really CPU hungry. I have watched video from Google I/O where it goes that zou should only use widget if it needs to event handler and that task cannot be accomplished by a parent widget.

In my case there is a HTMLPanel which is filled with clickable panels (widgets) as the information comes from the server. I thought to present every clickable component a DivElement and have the parent HTMLPanel take sort out the events, but the add(Widget widget, String id) method of HTMLPanel accepts only widgets and DivElement is not one. So you are forced to create a widget for every clickable panel that comes from the server and add it as a widget to HTMLPanel, unless there is another, better way, to do that?

I don't like that guy. The tiny ad agrees with me.
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