1 files changed, 184 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/configuration/Locale.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/configuration/Locale.java
new file mode 100644
index 000000000..6cb396394
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/configuration/Locale.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
+ *
+ * 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.ide.eclipse.adt.internal.editors.layout.configuration;
+
+import static com.android.ide.common.resources.configuration.LocaleQualifier.FAKE_VALUE;
+
+import com.android.annotations.NonNull;
+import com.android.annotations.Nullable;
+import com.android.ide.common.resources.configuration.FolderConfiguration;
+import com.android.ide.common.resources.configuration.LocaleQualifier;
+
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * A language,region pair
+ */
+public class Locale {
+    /**
+     * A special marker region qualifier representing any region
+     */
+    public static final LocaleQualifier ANY_QUALIFIER = new LocaleQualifier(FAKE_VALUE);
+
+    /**
+     * A locale which matches any language and region
+     */
+    public static final Locale ANY = new Locale(ANY_QUALIFIER);
+
+    /**
+     * The locale qualifier, or {@link #ANY_QUALIFIER} if this locale matches
+     * any locale
+     */
+    @NonNull
+    public final LocaleQualifier qualifier;
+
+    /**
+     * Constructs a new {@linkplain Locale} matching a given language in a given
+     * locale.
+     *
+     * @param locale the locale
+     */
+    private Locale(@NonNull
+    LocaleQualifier locale) {
+        qualifier = locale;
+    }
+
+    /**
+     * Constructs a new {@linkplain Locale} matching a given language in a given
+     * specific locale.
+     *
+     * @param locale the locale
+     * @return a locale with the given locale
+     */
+    @NonNull
+    public static Locale create(@NonNull
+    LocaleQualifier locale) {
+        return new Locale(locale);
+    }
+
+    /**
+     * Constructs a new {@linkplain Locale} for the given folder configuration
+     *
+     * @param folder the folder configuration
+     * @return a locale with the given language and region
+     */
+    public static Locale create(FolderConfiguration folder) {
+        LocaleQualifier locale = folder.getLocaleQualifier();
+        if (locale == null) {
+            return ANY;
+        } else {
+            return new Locale(locale);
+        }
+    }
+
+    /**
+     * Constructs a new {@linkplain Locale} for the given locale string, e.g.
+     * "zh", "en-rUS", or "b+eng+US".
+     *
+     * @param localeString the locale description
+     * @return the corresponding locale
+     */
+    @NonNull
+    public static Locale create(@NonNull
+    String localeString) {
+        // Load locale. Note that this can get overwritten by the
+        // project-wide settings read below.
+
+        LocaleQualifier qualifier = LocaleQualifier.getQualifier(localeString);
+        if (qualifier != null) {
+            return new Locale(qualifier);
+        } else {
+            return ANY;
+        }
+    }
+
+    /**
+     * Returns a flag image to use for this locale
+     *
+     * @return a flag image, or a default globe icon
+     */
+    @NonNull
+    public Image getFlagImage() {
+        String languageCode = qualifier.hasLanguage() ? qualifier.getLanguage() : null;
+        if (languageCode == null) {
+            return FlagManager.getGlobeIcon();
+        }
+        String regionCode = hasRegion() ? qualifier.getRegion() : null;
+        FlagManager icons = FlagManager.get();
+        Image image = icons.getFlag(languageCode, regionCode);
+        if (image != null) {
+            return image;
+        } else {
+            return FlagManager.getGlobeIcon();
+        }
+    }
+
+    /**
+     * Returns true if this locale specifies a specific language. This is true
+     * for all locales except {@link #ANY}.
+     *
+     * @return true if this locale specifies a specific language
+     */
+    public boolean hasLanguage() {
+        return !qualifier.hasFakeValue();
+    }
+
+    /**
+     * Returns true if this locale specifies a specific region
+     *
+     * @return true if this locale specifies a region
+     */
+    public boolean hasRegion() {
+        return qualifier.getRegion() != null && !FAKE_VALUE.equals(qualifier.getRegion());
+    }
+
+    /**
+     * Returns the locale formatted as language-region. If region is not set,
+     * language is returned. If language is not set, empty string is returned.
+     */
+    public String toLocaleId() {
+        return qualifier == ANY_QUALIFIER ? "" : qualifier.getTag();
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + qualifier.hashCode();
+        return result;
+    }
+
+    @Override
+    public boolean equals(@Nullable
+    Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Locale other = (Locale) obj;
+        if (!qualifier.equals(other.qualifier))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return qualifier.getTag();
+    }
+}