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- /*
- @ITMillApache2LicenseForJavaFiles@
- */
- /**
- *
- */
- package com.vaadin.event.dd.acceptcriteria;
-
- import com.vaadin.event.dd.DragAndDropEvent;
- import com.vaadin.terminal.PaintException;
- import com.vaadin.terminal.PaintTarget;
- import com.vaadin.terminal.gwt.client.ui.dd.VNot;
-
- /**
- * Criterion that wraps another criterion and inverts its return value.
- *
- * @since 6.3
- *
- */
- @ClientCriterion(VNot.class)
- public class Not extends ClientSideCriterion {
-
- private static final long serialVersionUID = 1131422338558613244L;
- private AcceptCriterion acceptCriterion;
-
- public Not(ClientSideCriterion acceptCriterion) {
- this.acceptCriterion = acceptCriterion;
- }
-
- @Override
- public void paintContent(PaintTarget target) throws PaintException {
- super.paintContent(target);
- acceptCriterion.paint(target);
- }
-
- public boolean accept(DragAndDropEvent dragEvent) {
- return !acceptCriterion.accept(dragEvent);
- }
-
- }
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