How to use

length

method

in

com.google.gwt.core.client.JsArrayMixed

/**
 * Gets the contents of the given {@link JsArrayMixed} as a double array.
 *
 * @param o {@link JsArrayMixed}
 * @return double[] if the array is not null, else null
 */
private static double[] getDoubleArray(JsArrayMixed o) {
  if (o != null) {
    double[] a = new double[o.length()];
    for (int i = 0; i < o.length(); i++) {
      a[i] = o.getNumber(i);
    }
    return a;
  } else {
    return null;
  }
}

/**
 * Execute a function around each object.
 */
public static void each(JsArrayMixed objects, Function f) {
 for (int i = 0, l = objects.length(); i < l; i++) {
  f.f(i, objects.getObject(i));
 }
}

/**
 * Get the maximum zoomlevel for this layer.
 *
 * @return maximum zoomlevel
 */
public int getMaxZoomLevel() {
  return getMinZoomLevel() + LayerImpl.getResolutions(this.getJSObject()).length() - 1;
}

/**
 * Wrap a GQuery around an existing javascript element, event, node, nodelist, function or array.
 */
public static GQuery $(JavaScriptObject jso) {
 if (jso == null) {
  return $();
 }
 // Execute a native javascript function like jquery does
 if (JsUtils.isFunction(jso)) {
  new JsUtils.JsFunction(jso).fe();
  return $();
 }
 // Wraps a native array like jquery does
 if (!JsUtils.isWindow(jso) && !JsUtils.isElement(jso) && JsUtils.isArray(jso)) {
  JsArrayMixed c = jso.cast();
  JsNodeArray elms = JsNodeArray.create();
  for (int i = 0; i < c.length(); i++) {
   Object obj = c.getObject(i);
   if (obj instanceof Node) {
    elms.addNode((Node) obj);
   }
  }
  return $(elms);
 }
 return JsUtils.isWindow(jso) ? $(jso.<Element> cast()) :
   JsUtils.isElement(jso) ? $(jso.<Element> cast()) :
     JsUtils.isEvent(jso) ? $(jso.<Event> cast()) :
       JsUtils.isNodeList(jso) ? $(jso.<NodeList<Element>> cast()) :
         $(jso.<Element> cast());
}