public void onMouseUp(final MouseUpEvent event) {
DraggablePanel.this.onDropped(event, draggedPanel, this);
}
};
greedy.install();
final Element dragPanelElement = draggedPanel.getElement();
final int elementPageX = dragPanelElement.getAbsoluteLeft();
final int elementPageY = dragPanelElement.getAbsoluteTop();