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- /*
- @ITMillApache2LicenseForJavaFiles@
- */
- package com.vaadin.terminal.gwt.client.ui.dd;
-
- import com.google.gwt.user.client.Element;
-
- public enum VerticalDropLocation {
- TOP, BOTTOM, MIDDLE;
-
- public static VerticalDropLocation get(Element element, int clientY,
- double topBottomRatio) {
-
- int absoluteTop = element.getAbsoluteTop();
- int offsetHeight = element.getOffsetHeight();
- int fromTop = clientY - absoluteTop;
-
- float percentageFromTop = (fromTop / (float) offsetHeight);
- if (percentageFromTop < topBottomRatio) {
- return TOP;
- } else if (percentageFromTop > 1 - topBottomRatio) {
- return BOTTOM;
- } else {
- return MIDDLE;
- }
- }
- }
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