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    <p>You can try this out, slightly improved solution by fungus1487:</p> <pre><code>import com.google.gwt.dom.client.EventTarget; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.i18n.client.HasDirection; import com.google.gwt.user.client.Element; import com.google.gwt.user.client.ui.*; /** * @author Andrey Talnikov */ public class ClosablePopup extends DialogBox { private Anchor closeAnchor; /** * Instantiates new closable popup. * * @param title the title * @param defaultClose it {@code true}, hide popup on 'x' click */ public ClosablePopup(String title, boolean defaultClose) { super(true); closeAnchor = new Anchor("x"); FlexTable captionLayoutTable = new FlexTable(); captionLayoutTable.setWidth("100%"); captionLayoutTable.setText(0, 0, title); captionLayoutTable.setWidget(0, 1, closeAnchor); captionLayoutTable.getCellFormatter().setHorizontalAlignment(0, 1, HasHorizontalAlignment.HorizontalAlignmentConstant.endOf(HasDirection.Direction.LTR)); HTML caption = (HTML) getCaption(); caption.getElement().appendChild(captionLayoutTable.getElement()); caption.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { EventTarget target = event.getNativeEvent().getEventTarget(); Element targetElement = (Element) target.cast(); if (targetElement == closeAnchor.getElement()) { closeAnchor.fireEvent(event); } } }); if (defaultClose) { addCloseHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { hide(); } }); } } public void addCloseHandler(ClickHandler handler) { closeAnchor.addClickHandler(handler); } } </code></pre>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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