TreeGrid keyboard navigation

Fixes #8758

2 files changed, 75 insertions, 0 deletions

diff --git a/shared/src/main/java/com/vaadin/shared/ui/treegrid/FocusParentRpc.java b/shared/src/main/java/com/vaadin/shared/ui/treegrid/FocusParentRpc.java
new file mode 100644
index 0000000000..856b3369db
--- /dev/null
+++ b/shared/src/main/java/com/vaadin/shared/ui/treegrid/FocusParentRpc.java
@@ -0,0 +1,37 @@
+/*
+ * 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.treegrid;
+
+import com.vaadin.shared.communication.ServerRpc;
+
+/**
+ * RPC to handle client originated parent focusing in TreeGrid.
+ *
+ * @author Vaadin Ltd
+ * @since 8.1
+ */
+public interface FocusParentRpc extends ServerRpc {
+
+    /**
+     * Focuses cell in the row parent
+     *
+     * @param rowIndex
+     *            the row index
+     * @param cellIndex
+     *            the cell index
+     */
+    void focusParent(int rowIndex, int cellIndex);
+}
diff --git a/shared/src/main/java/com/vaadin/shared/ui/treegrid/FocusRpc.java b/shared/src/main/java/com/vaadin/shared/ui/treegrid/FocusRpc.java
new file mode 100644
index 0000000000..fa02a0d712
--- /dev/null
+++ b/shared/src/main/java/com/vaadin/shared/ui/treegrid/FocusRpc.java
@@ -0,0 +1,38 @@
+/*
+ * 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.treegrid;
+
+import com.vaadin.shared.communication.ClientRpc;
+
+/**
+ * RPC to handle focusing in TreeGrid.
+ *
+ * @author Vaadin Ltd
+ * @since 8.1
+ */
+@FunctionalInterface
+public interface FocusRpc extends ClientRpc {
+
+    /**
+     * Focuses a cell
+     *
+     * @param rowIndex
+     *            the row index
+     * @param columnIndex
+     *            the cell index
+     */
+    void focusCell(int rowIndex, int columnIndex);
+}