1 files changed, 247 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/userdictionary/UserDictionaryAddWordContents.java b/java/src/com/android/inputmethod/latin/userdictionary/UserDictionaryAddWordContents.java
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+++ b/java/src/com/android/inputmethod/latin/userdictionary/UserDictionaryAddWordContents.java
@@ -0,0 +1,247 @@
+/*
+ * Copyright (C) 2013 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.inputmethod.latin.userdictionary;
+
+import com.android.inputmethod.latin.LocaleUtils;
+import com.android.inputmethod.latin.R;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.provider.UserDictionary;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.EditText;
+
+import java.util.ArrayList;
+import java.util.Locale;
+import java.util.TreeSet;
+
+// Caveat: This class is basically taken from
+// packages/apps/Settings/src/com/android/settings/inputmethod/UserDictionaryAddWordContents.java
+// in order to deal with some devices that have issues with the user dictionary handling
+
+/**
+ * A container class to factor common code to UserDictionaryAddWordFragment
+ * and UserDictionaryAddWordActivity.
+ */
+public class UserDictionaryAddWordContents {
+    public static final String EXTRA_MODE = "mode";
+    public static final String EXTRA_WORD = "word";
+    public static final String EXTRA_SHORTCUT = "shortcut";
+    public static final String EXTRA_LOCALE = "locale";
+    public static final String EXTRA_ORIGINAL_WORD = "originalWord";
+    public static final String EXTRA_ORIGINAL_SHORTCUT = "originalShortcut";
+
+    public static final int MODE_EDIT = 0;
+    public static final int MODE_INSERT = 1;
+
+    /* package */ static final int CODE_WORD_ADDED = 0;
+    /* package */ static final int CODE_CANCEL = 1;
+    /* package */ static final int CODE_ALREADY_PRESENT = 2;
+
+    private static final int FREQUENCY_FOR_USER_DICTIONARY_ADDS = 250;
+
+    private final int mMode; // Either MODE_EDIT or MODE_INSERT
+    private final EditText mWordEditText;
+    private final EditText mShortcutEditText;
+    private String mLocale;
+    private final String mOldWord;
+    private final String mOldShortcut;
+
+    /* package */ UserDictionaryAddWordContents(final View view, final Bundle args) {
+        mWordEditText = (EditText)view.findViewById(R.id.user_dictionary_add_word_text);
+        mShortcutEditText = (EditText)view.findViewById(R.id.user_dictionary_add_shortcut);
+        final String word = args.getString(EXTRA_WORD);
+        if (null != word) {
+            mWordEditText.setText(word);
+            mWordEditText.setSelection(word.length());
+        }
+        final String shortcut = args.getString(EXTRA_SHORTCUT);
+        if (null != shortcut && null != mShortcutEditText) {
+            mShortcutEditText.setText(shortcut);
+        }
+        mMode = args.getInt(EXTRA_MODE); // default return value for #getInt() is 0 = MODE_EDIT
+        mOldWord = args.getString(EXTRA_WORD);
+        mOldShortcut = args.getString(EXTRA_SHORTCUT);
+        updateLocale(args.getString(EXTRA_LOCALE));
+    }
+
+    // locale may be null, this means default locale
+    // It may also be the empty string, which means "all locales"
+    /* package */ void updateLocale(final String locale) {
+        mLocale = null == locale ? Locale.getDefault().toString() : locale;
+    }
+
+    /* package */ void saveStateIntoBundle(final Bundle outState) {
+        outState.putString(EXTRA_WORD, mWordEditText.getText().toString());
+        outState.putString(EXTRA_ORIGINAL_WORD, mOldWord);
+        if (null != mShortcutEditText) {
+            outState.putString(EXTRA_SHORTCUT, mShortcutEditText.getText().toString());
+        }
+        if (null != mOldShortcut) {
+            outState.putString(EXTRA_ORIGINAL_SHORTCUT, mOldShortcut);
+        }
+        outState.putString(EXTRA_LOCALE, mLocale);
+    }
+
+    /* package */ void delete(final Context context) {
+        if (MODE_EDIT == mMode && !TextUtils.isEmpty(mOldWord)) {
+            // Mode edit: remove the old entry.
+            final ContentResolver resolver = context.getContentResolver();
+            UserDictionarySettings.deleteWord(mOldWord, mOldShortcut, resolver);
+        }
+        // If we are in add mode, nothing was added, so we don't need to do anything.
+    }
+
+    /* package */ int apply(final Context context, final Bundle outParameters) {
+        if (null != outParameters) saveStateIntoBundle(outParameters);
+        final ContentResolver resolver = context.getContentResolver();
+        if (MODE_EDIT == mMode && !TextUtils.isEmpty(mOldWord)) {
+            // Mode edit: remove the old entry.
+            UserDictionarySettings.deleteWord(mOldWord, mOldShortcut, resolver);
+        }
+        final String newWord = mWordEditText.getText().toString();
+        final String newShortcut;
+        if (null == mShortcutEditText) {
+            newShortcut = null;
+        } else {
+            final String tmpShortcut = mShortcutEditText.getText().toString();
+            if (TextUtils.isEmpty(tmpShortcut)) {
+                newShortcut = null;
+            } else {
+                newShortcut = tmpShortcut;
+            }
+        }
+        if (TextUtils.isEmpty(newWord)) {
+            // If the word is somehow empty, don't insert it.
+            return CODE_CANCEL;
+        }
+        // If there is no shortcut, and the word already exists in the database, then we
+        // should not insert, because either A. the word exists with no shortcut, in which
+        // case the exact same thing we want to insert is already there, or B. the word
+        // exists with at least one shortcut, in which case it has priority on our word.
+        if (hasWord(newWord, context)) return CODE_ALREADY_PRESENT;
+
+        // Disallow duplicates. If the same word with no shortcut is defined, remove it; if
+        // the same word with the same shortcut is defined, remove it; but we don't mind if
+        // there is the same word with a different, non-empty shortcut.
+        UserDictionarySettings.deleteWord(newWord, null, resolver);
+        if (!TextUtils.isEmpty(newShortcut)) {
+            // If newShortcut is empty we just deleted this, no need to do it again
+            UserDictionarySettings.deleteWord(newWord, newShortcut, resolver);
+        }
+
+        // In this class we use the empty string to represent 'all locales' and mLocale cannot
+        // be null. However the addWord method takes null to mean 'all locales'.
+        UserDictionary.Words.addWord(context, newWord.toString(),
+                FREQUENCY_FOR_USER_DICTIONARY_ADDS, newShortcut,
+                TextUtils.isEmpty(mLocale) ? null : LocaleUtils.constructLocaleFromString(mLocale));
+
+        return CODE_WORD_ADDED;
+    }
+
+    private static final String[] HAS_WORD_PROJECTION = { UserDictionary.Words.WORD };
+    private static final String HAS_WORD_SELECTION_ONE_LOCALE = UserDictionary.Words.WORD
+            + "=? AND " + UserDictionary.Words.LOCALE + "=?";
+    private static final String HAS_WORD_SELECTION_ALL_LOCALES = UserDictionary.Words.WORD
+            + "=? AND " + UserDictionary.Words.LOCALE + " is null";
+    private boolean hasWord(final String word, final Context context) {
+        final Cursor cursor;
+        // mLocale == "" indicates this is an entry for all languages. Here, mLocale can't
+        // be null at all (it's ensured by the updateLocale method).
+        if ("".equals(mLocale)) {
+            cursor = context.getContentResolver().query(UserDictionary.Words.CONTENT_URI,
+                      HAS_WORD_PROJECTION, HAS_WORD_SELECTION_ALL_LOCALES,
+                      new String[] { word }, null /* sort order */);
+        } else {
+            cursor = context.getContentResolver().query(UserDictionary.Words.CONTENT_URI,
+                      HAS_WORD_PROJECTION, HAS_WORD_SELECTION_ONE_LOCALE,
+                      new String[] { word, mLocale }, null /* sort order */);
+        }
+        try {
+            if (null == cursor) return false;
+            return cursor.getCount() > 0;
+        } finally {
+            if (null != cursor) cursor.close();
+        }
+    }
+
+    public static class LocaleRenderer {
+        private final String mLocaleString;
+        private final String mDescription;
+        // LocaleString may NOT be null.
+        public LocaleRenderer(final Context context, final String localeString) {
+            mLocaleString = localeString;
+            if (null == localeString) {
+                mDescription = context.getString(R.string.user_dict_settings_more_languages);
+            } else if ("".equals(localeString)) {
+                mDescription = context.getString(R.string.user_dict_settings_all_languages);
+            } else {
+                mDescription = LocaleUtils.constructLocaleFromString(localeString).getDisplayName();
+            }
+        }
+        @Override
+        public String toString() {
+            return mDescription;
+        }
+        public String getLocaleString() {
+            return mLocaleString;
+        }
+        // "More languages..." is null ; "All languages" is the empty string.
+        public boolean isMoreLanguages() {
+            return null == mLocaleString;
+        }
+    }
+
+    private static void addLocaleDisplayNameToList(final Context context,
+            final ArrayList<LocaleRenderer> list, final String locale) {
+        if (null != locale) {
+            list.add(new LocaleRenderer(context, locale));
+        }
+    }
+
+    // Helper method to get the list of locales to display for this word
+    public ArrayList<LocaleRenderer> getLocalesList(final Activity activity) {
+        final TreeSet<String> locales = UserDictionaryList.getUserDictionaryLocalesSet(activity);
+        // Remove our locale if it's in, because we're always gonna put it at the top
+        locales.remove(mLocale); // mLocale may not be null
+        final String systemLocale = Locale.getDefault().toString();
+        // The system locale should be inside. We want it at the 2nd spot.
+        locales.remove(systemLocale); // system locale may not be null
+        locales.remove(""); // Remove the empty string if it's there
+        final ArrayList<LocaleRenderer> localesList = new ArrayList<LocaleRenderer>();
+        // Add the passed locale, then the system locale at the top of the list. Add an
+        // "all languages" entry at the bottom of the list.
+        addLocaleDisplayNameToList(activity, localesList, mLocale);
+        if (!systemLocale.equals(mLocale)) {
+            addLocaleDisplayNameToList(activity, localesList, systemLocale);
+        }
+        for (final String l : locales) {
+            // TODO: sort in unicode order
+            addLocaleDisplayNameToList(activity, localesList, l);
+        }
+        if (!"".equals(mLocale)) {
+            // If mLocale is "", then we already inserted the "all languages" item, so don't do it
+            addLocaleDisplayNameToList(activity, localesList, ""); // meaning: all languages
+        }
+        localesList.add(new LocaleRenderer(activity, null)); // meaning: select another locale
+        return localesList;
+    }
+}