Re: TabLayoutPanel - forcing onResize for unselected tab content

I am using the following class.


package com.sn.lib.gwt.client.ui;

import com.google.gwt.dom.client.Style.Unit;

public class ResizeTabLayoutPanel extends TabLayoutPanel {
    public ResizeTabLayoutPanel(double barHeight, Unit barUnit) {
        super(barHeight, barUnit);

        addSelectionHandler(new SelectionHandler<Integer>() {
            @Override
            public void onSelection(SelectionEvent<Integer> event) {
                final Widget w = getWidget(event.getSelectedItem());
                if (w instanceof RequiresResize) {
                    ((RequiresResize) w).onResize();
                }
            }
        });
    }
}

On Wed, Dec 3, 2014 at 9:19 PM, Jens <jens.nehlmeier@gmail.com> wrote:

Tabs that are not active have display:none applied which basically tells the browser "you don't have to care about that piece of HTML". So the browser will not calculate any meaningful width/height/whatever values for elements that have display:none applied and thus you can not center anything.

If I were you I would store the active rendering mode somewhere and whenever a tab gets active you use the active rendering mode to render the chess board and then center the board. TabPanel/TabLayoutPanel have add**Handler() methods for listening for tab selections.

-- J.

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