Example usage for com.google.gwt.user.client.ui Widget isAttached

Introduction

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

Prototype

@Override
public boolean isAttached()

Source Link

Document

Determines whether this widget is currently attached to the browser's document (i.e., there is an unbroken chain of widgets between this widget and the underlying browser document).

Usage

From source file:org.xwiki.gwt.user.client.ui.LoadingPanel.java

License:Open Source License

/**
 * Shows the loading animation.// w  ww  . jav  a  2  s.com
 * 
 * @param widget the widget whose loading state will be indicated
 */
public void startLoading(Widget widget) {
    if (widget.isAttached()) {
        stopLoading();

        getElement().getStyle().setWidth(widget.getOffsetWidth(), Unit.PX);
        getElement().getStyle().setHeight(widget.getOffsetHeight(), Unit.PX);
        widget.getElement().getParentNode().insertBefore(getElement(), widget.getElement());
    }
}

From source file:org.zkoss.gwt.client.zk.Container.java

License:Open Source License

@Override
public void add(com.google.gwt.user.client.ui.Widget child) {
    /** Validate */
    if (!(child instanceof Widget)) {
        throw new RuntimeException("must be ZK Widget!");
    }/*from w w  w  .  j a  v  a2 s .c  o m*/
    Widget zChild = (Widget) child;

    /** adjust for Re Insertion */

    /** Detach Child */
    if (zChild.isAttached()) {
        zChild.removeFromParent();
    }
    /** Logical Attach */

    /** Physical Attach */
    appendChild((zChild).getZkWidget());
    /** Adopt */
    zChild.setParent(this);
}

From source file:ru.fly.client.ui.Container.java

License:Apache License

@Override
public boolean remove(Widget w) {
    widgets.remove(w);//from   w  ww .  j  av a 2s . c o  m
    if (w.isAttached())
        F.erase(this, w);
    return true;
}

From source file:ru.fly.client.ui.Container.java

License:Apache License

@Override
protected void doDetachChildren() {
    for (Widget w : widgets) {
        if (w.isAttached())
            F.erase(this, w);
    }/*from  w w  w  .  j a v a 2 s.  c  o m*/
    super.doDetachChildren();
}