Add a simple non-connector single selection model

To eventually replace SingleSelection.

Change-Id: I623dfa962bce62067a5b35dc14be26b3de333e9b

1 files changed, 34 insertions, 0 deletions

diff --git a/shared/src/main/java/com/vaadin/shared/ui/AbstractSingleSelectState.java b/shared/src/main/java/com/vaadin/shared/ui/AbstractSingleSelectState.java
new file mode 100644
index 0000000000..3889fdae2b
--- /dev/null
+++ b/shared/src/main/java/com/vaadin/shared/ui/AbstractSingleSelectState.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2000-2016 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.shared.ui;
+
+import com.vaadin.shared.AbstractComponentState;
+
+/**
+ * Shared state for {@code AbstractSingleSelect}.
+ *
+ * @author Vaadin Ltd.
+ *
+ * @since 8.0
+ */
+public class AbstractSingleSelectState extends AbstractComponentState {
+
+    /**
+     * The key of the currently selected item or {@code null} if no item is
+     * selected.
+     */
+    public String selectedItemKey;
+}