Re: GWT ScrollPanel not scrolling when hidden

You can use the below code

RootPanel.get().add(new Button("TEST", new ClickHandler() {

@Override

public void onClick(ClickEvent event) {

scrollPanel.scrollToTop();

scrollPanel.setVisible(false);

Scheduler.get().scheduleDeferred(

new Scheduler.ScheduledCommand() {

@Override

public void execute() {

scrollPanel.scrollToBottom();

}

});

scrollPanel.setVisible(true);

}

}));

On Tue, Mar 11, 2014 at 4:37 PM, Federico De Faveri <defaveri@gmail.com> wrote:

I have a ScrollPanel and I want to reset his scrolling position when it is hidden.

To do so I call the scrollTop method. As I can see it is not working only when the ScrollPanel is hidden.

Here a sample code:

 

public void onModuleLoad() {
   StringBuilder html = new StringBuilder();
   for (int i = 0; i<1000; i++) html.append("row "+i+"<br>");

   HTMLPanel content = new HTMLPanel(html.toString());

   final ScrollPanel scrollPanel = new ScrollPanel(content);
   scrollPanel.setHeight("200px");
   RootPanel.get().add(scrollPanel);

   RootPanel.get().add(new Button("TEST", new ClickHandler() {

    @Override
    public void onClick(ClickEvent event) {
      scrollPanel.scrollToTop();
      scrollPanel.setVisible(false);
      scrollPanel.scrollToBottom();
      scrollPanel.setVisible(true);
    }
  }));
}

After clicking the TEST button the ScrollPanel keep is top position.

Any idea how to scroll it when hidden?

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Thanks & Regards,

Winston Britto J.

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