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Diffstat (limited to 'src/com/vaadin/event/dd/acceptcriteria/Or.java')
| -rw-r--r-- | src/com/vaadin/event/dd/acceptcriteria/Or.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/com/vaadin/event/dd/acceptcriteria/Or.java b/src/com/vaadin/event/dd/acceptcriteria/Or.java new file mode 100644 index 0000000000..41aef10738 --- /dev/null +++ b/src/com/vaadin/event/dd/acceptcriteria/Or.java @@ -0,0 +1,53 @@ +/* +@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.VOr; + +/** + * A compound criterion that accepts the drag if any of its criterion accepts + * it. + * + * @see And + * + * @since 6.3 + * + */ +@ClientCriterion(VOr.class) +public class Or extends ClientSideCriterion { + private static final long serialVersionUID = 1L; + private AcceptCriterion criteria[]; + + /** + * @param criteria + * the criteria of which the Or criteria will be composed + */ + public Or(ClientSideCriterion... criteria) { + this.criteria = criteria; + } + + @Override + public void paintContent(PaintTarget target) throws PaintException { + super.paintContent(target); + for (AcceptCriterion crit : criteria) { + crit.paint(target); + } + } + + public boolean accept(DragAndDropEvent dragEvent) { + for (AcceptCriterion crit : criteria) { + if (crit.accept(dragEvent)) { + return true; + } + } + return false; + } + +}
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