/**
* use all kinds of properties to calculate a hash for the layout
*
* @param node
* @return
*/
private Integer calculateHashcode(Node node) {
StringBuffer lStringBuffer = new StringBuffer();
lStringBuffer.append(node.minWidth(-1));
lStringBuffer.append("x");
lStringBuffer.append(node.minHeight(-1));
lStringBuffer.append("/");
lStringBuffer.append(node.prefWidth(-1));
lStringBuffer.append("x");
lStringBuffer.append(node.prefHeight(-1));
lStringBuffer.append("/");
lStringBuffer.append(node.maxWidth(-1));
lStringBuffer.append("x");
lStringBuffer.append(node.maxHeight(-1));
lStringBuffer.append("/");
lStringBuffer.append(node.getLayoutBounds().getWidth());
lStringBuffer.append("x");
lStringBuffer.append(node.getLayoutBounds().getHeight());
lStringBuffer.append("/");
lStringBuffer.append(node.isVisible());
return lStringBuffer.toString().hashCode();
}
// as of JDK 1.6: @Override
public boolean isVisible() {
return node.isVisible();
}