Example usage for com.google.gwt.user.client.ui RootPanel isInDetachList

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui RootPanel isInDetachList.

Prototype

public static boolean isInDetachList(Widget widget) 

Source Link

Document

Determines whether the given widget is in the detach list.

Usage

From source file:com.arcbees.gquery.tooltip.client.TooltipImpl.java

License:Apache License

private void detachWidget() {
    if (widget != null && RootPanel.isInDetachList(widget.asWidget())) {
        RootPanel.detachNow(widget.asWidget());
        $(widget.asWidget()).get(0).removeFromParent();
    }//  w  w  w.j av a2s . c o  m
}

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From source file:com.cgxlib.xq.client.plugins.widgets.WidgetsHtmlPanel.java

License:Apache License

/**
 * Adopt the {@link Widget widet} <code>w</code>. if the current parent of the
 * widget is an {@link HTMLPanel} or is null, the widget will not detach
 * physically in order to maintain the html structure. If the parent is an
 * other widget, it will be physically detach and reattach to this panel.
 *
 * @param w/*  w w  w  .  j a v a2 s. c om*/
 */
protected void doAdopt(Widget w) {
    Widget parent = w.getParent();
    boolean mustBePhysicallyReattach = false;

    if (parent == null) {
        if (RootPanel.isInDetachList(w)) {
            RootPanel.detachNow(w);
        }
    } else if (parent instanceof HTMLPanel) {
        WidgetsUtils.doLogicalDetachFromHtmlPanel(w);
    } else {
        // the widget will be physically detach
        w.removeFromParent();
        mustBePhysicallyReattach = true;
    }

    getChildren().add(w);

    if (mustBePhysicallyReattach) {
        DOM.appendChild(getElement(), w.getElement());
    }

    adopt(w);
}

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From source file:org.jboss.errai.common.client.dom.DOMUtil.java

License:Apache License

/**
 * <p>/*from w  w w. ja va 2 s  .  c o  m*/
 * Remove a {@link Widget} from its parent. Use this to undo calls to
 * {@link #appendWidgetToElement(HTMLElement, Widget)}.
 *
 * <p>
 * This works like calling {@code child.removeFromParent()} except that if {@code child} is in the
 * {@link RootPanel#isInDetachList(Widget) dettach list} its underlying HTML element will also be removed from its
 * parent.
 *
 * @param child
 *          The child Widget, whose underlying HTML element will be removed from the parent. Must not be null.
 */
public static void removeFromParent(final Widget child) {
    final boolean wasInDettachList = RootPanel.isInDetachList(child);
    child.removeFromParent();
    if (wasInDettachList) {
        child.getElement().removeFromParent();
    }
}

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