1 files changed, 36 insertions, 0 deletions
diff --git a/src/com/vaadin/event/dd/acceptCriteria/ClientSideCriterion.java b/src/com/vaadin/event/dd/acceptCriteria/ClientSideCriterion.java
new file mode 100644
index 0000000000..b221fb69cd
--- /dev/null
+++ b/src/com/vaadin/event/dd/acceptCriteria/ClientSideCriterion.java
@@ -0,0 +1,36 @@
+package com.vaadin.event.dd.acceptCriteria;
+
+import java.io.Serializable;
+
+import com.vaadin.terminal.PaintException;
+import com.vaadin.terminal.PaintTarget;
+
+public abstract class ClientSideCriterion implements Serializable,
+        AcceptCriterion {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = 1L;
+
+    public final boolean isClientSideVerifiable() {
+        return true;
+    }
+
+    public void paint(PaintTarget target) throws PaintException {
+        target.startTag("-ac");
+        target.addAttribute("name", getIdentifier());
+        paintContent(target);
+        target.endTag("-ac");
+    }
+
+    public void paintContent(PaintTarget target) {
+    }
+
+    abstract protected String getIdentifier();
+
+    public void paintResponse(PaintTarget target) throws PaintException {
+        // NOP, nothing to do as this is client side verified criterion
+    }
+
+}