1 files changed, 84 insertions, 0 deletions
diff --git a/compatibility-shared/src/main/java/com/vaadin/v7/shared/ui/datefield/Resolution.java b/compatibility-shared/src/main/java/com/vaadin/v7/shared/ui/datefield/Resolution.java
new file mode 100644
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+++ b/compatibility-shared/src/main/java/com/vaadin/v7/shared/ui/datefield/Resolution.java
@@ -0,0 +1,84 @@
+/*
+ * 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.v7.shared.ui.datefield;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Resolutions for DateFields
+ *
+ * @author Vaadin Ltd.
+ * @since 7.0
+ */
+public enum Resolution {
+    // Values from Calendar.SECOND etc. Set as ints to avoid Calendar dependency
+    // (does not exist on the client side)
+    SECOND(13), MINUTE(12), HOUR(11), DAY(5), MONTH(2), YEAR(1);
+
+    private int calendarField;
+
+    private Resolution(int calendarField) {
+        this.calendarField = calendarField;
+    }
+
+    /**
+     * Returns the field in java.util.Calendar that corresponds to this
+     * resolution.
+     *
+     * @return one of the field numbers used by Calendar
+     */
+    public int getCalendarField() {
+        return calendarField;
+    }
+
+    /**
+     * Returns the resolutions that are higher or equal to the given resolution,
+     * starting from the given resolution. In other words passing DAY to this
+     * methods returns DAY,MONTH,YEAR
+     *
+     * @param r
+     *            The resolution to start from
+     * @return An iterable for the resolutions higher or equal to r
+     */
+    public static Iterable<Resolution> getResolutionsHigherOrEqualTo(
+            Resolution r) {
+        List<Resolution> resolutions = new ArrayList<>();
+        Resolution[] values = Resolution.values();
+        for (int i = r.ordinal(); i < values.length; i++) {
+            resolutions.add(values[i]);
+        }
+        return resolutions;
+    }
+
+    /**
+     * Returns the resolutions that are lower than the given resolution,
+     * starting from the given resolution. In other words passing DAY to this
+     * methods returns HOUR,MINUTE,SECOND.
+     *
+     * @param r
+     *            The resolution to start from
+     * @return An iterable for the resolutions lower than r
+     */
+    public static List<Resolution> getResolutionsLowerThan(Resolution r) {
+        List<Resolution> resolutions = new ArrayList<>();
+        Resolution[] values = Resolution.values();
+        for (int i = r.ordinal() - 1; i >= 0; i--) {
+            resolutions.add(values[i]);
+        }
+        return resolutions;
+    }
+}