public void enablePreview() {
// if (null != itemDescription) {
// itemDescription.activate();
// return;
// }
itemDescription =
new Tooltip(
this,
new HTML(
constants.previewHtml(item.getTitle(), item.getYear(), item.getCreator()), true),
this.getAbsoluteLeft(),
this.getAbsoluteTop(),
dimensions.thumbnailWidth(),
dimensions.thumbnailHeight());
itemDescription.setStyleName("tooltip-item");
itemDescription.addStyleName("invisible");
itemDescription.setWidth(dimensions.thumbnailWidth() + "px");
itemDescription.activate();
}
