Add support for layout dir qualifiers.

Change-Id: I6da728d079975fa19f1ae816fa585031a9c6fe75

1 files changed, 100 insertions, 0 deletions

diff --git a/layoutlib_api/src/com/android/resources/LayoutDirection.java b/layoutlib_api/src/com/android/resources/LayoutDirection.java
new file mode 100644
index 0000000..fbc386d
--- /dev/null
+++ b/layoutlib_api/src/com/android/resources/LayoutDirection.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.android.resources;
+
+/**
+ * Layout Direction enum.
+ */
+public enum LayoutDirection implements ResourceEnum {
+    LTR("ldltr", "LTR", "Left To Right"), //$NON-NLS-1$
+    RTL("ldrtl", "RTL", "Right To Left"); //$NON-NLS-1$
+
+    private final String mValue;
+    private final String mShortDisplayValue;
+    private final String mLongDisplayValue;
+
+    private LayoutDirection(String value, String shortDisplayValue, String longDisplayValue) {
+        mValue = value;
+        mShortDisplayValue = shortDisplayValue;
+        mLongDisplayValue = longDisplayValue;
+    }
+
+    /**
+     * Returns the enum for matching the provided qualifier value.
+     * @param value The qualifier value.
+     * @return the enum for the qualifier value or null if no matching was found.
+     */
+    public static LayoutDirection getEnum(String value) {
+        for (LayoutDirection orient : values()) {
+            if (orient.mValue.equals(value)) {
+                return orient;
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public String getResourceValue() {
+        return mValue;
+    }
+
+    @Override
+    public String getShortDisplayValue() {
+        return mShortDisplayValue;
+    }
+
+    @Override
+    public String getLongDisplayValue() {
+        return mLongDisplayValue;
+    }
+
+    public static int getIndex(LayoutDirection orientation) {
+        int i = 0;
+        for (LayoutDirection orient : values()) {
+            if (orient == orientation) {
+                return i;
+            }
+
+            i++;
+        }
+
+        return -1;
+    }
+
+    public static LayoutDirection getByIndex(int index) {
+        int i = 0;
+        for (LayoutDirection orient : values()) {
+            if (i == index) {
+                return orient;
+            }
+            i++;
+        }
+
+        return null;
+    }
+
+    @Override
+    public boolean isFakeValue() {
+        return false;
+    }
+
+    @Override
+    public boolean isValidValueForDevice() {
+        return true;
+    }
+}