How to use

setElement

method

in

org.gwtopenmaps.openlayers.client.MapWidget

/**
 * Programmatically creates the element that will contain the map,
 * with the given width and height.
 *
 * The map itself is instantiated upon calling {@link #getMap()}.
 *
 * @param width - a String with the width of the element that will contain the map in CSS units.
 * @param height - a String with the height of the element that will contain the map in CSS units.
 * @param options - null if no options should be set upon map instantiation
 *      or a MapOptions object that is passed to the map upon instantiation.
 *
 * @since GWT-OL 0.2
 */
public MapWidget(String width, String height, MapOptions options) {
  Element e = DOM.createDiv();
  this.options = options;
  setElement(e);
  setWidth(width);
  setHeight(height);
}

/**
 * Programmatically creates the element that will contain the map, with the
 * given width and height.
 *
 * The map itself is instantiated upon calling {@link #getMap()}.
 *
 * @param width - a String with the width of the element that will contain
 * the map in CSS units.
 * @param height - a String with the height of the element that will contain
 * the map in CSS units.
 * @param options - null if no options should be set upon map instantiation
 * or a MapOptions object that is passed to the map upon instantiation.
 *
 * @since GWT-OL 0.2
 */
public MapWidget(String width, String height, MapOptions options) {
  Element e = DOM.createDiv();
  this.options = options;
  setElement(e);
  setWidth(width);
  setHeight(height);
}