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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.settings.inputmethod;
     17 
     18 import android.app.Fragment;
     19 import android.os.Bundle;
     20 import android.preference.PreferenceActivity;
     21 import android.view.LayoutInflater;
     22 import android.view.Menu;
     23 import android.view.MenuInflater;
     24 import android.view.MenuItem;
     25 import android.view.View;
     26 import android.view.ViewGroup;
     27 import android.widget.AdapterView;
     28 import android.widget.ArrayAdapter;
     29 import android.widget.Spinner;
     30 
     31 import com.android.settings.R;
     32 import com.android.settings.inputmethod.UserDictionaryAddWordContents.LocaleRenderer;
     33 
     34 import java.util.ArrayList;
     35 import java.util.Locale;
     36 
     37 /**
     38  * Fragment to add a word/shortcut to the user dictionary.
     39  *
     40  * As opposed to the UserDictionaryActivity, this is only invoked within Settings
     41  * from the UserDictionarySettings.
     42  */
     43 public class UserDictionaryAddWordFragment extends Fragment
     44         implements AdapterView.OnItemSelectedListener,
     45         com.android.internal.app.LocalePicker.LocaleSelectionListener {
     46 
     47     private static final int OPTIONS_MENU_DELETE = Menu.FIRST;
     48 
     49     private UserDictionaryAddWordContents mContents;
     50     private View mRootView;
     51     private boolean mIsDeleting = false;
     52 
     53     @Override
     54     public void onActivityCreated(Bundle savedInstanceState) {
     55         super.onActivityCreated(savedInstanceState);
     56         setHasOptionsMenu(true);
     57     }
     58 
     59     @Override
     60     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) {
     61         mRootView = inflater.inflate(R.layout.user_dictionary_add_word_fullscreen, null);
     62         mIsDeleting = false;
     63         if (null == mContents) {
     64             mContents = new UserDictionaryAddWordContents(mRootView, getArguments());
     65         }
     66         return mRootView;
     67     }
     68 
     69     @Override
     70     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
     71         MenuItem actionItem = menu.add(0, OPTIONS_MENU_DELETE, 0, R.string.delete)
     72                 .setIcon(android.R.drawable.ic_menu_delete);
     73         actionItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM |
     74                 MenuItem.SHOW_AS_ACTION_WITH_TEXT);
     75     }
     76 
     77     /**
     78      * Callback for the framework when a menu option is pressed.
     79      *
     80      * This class only supports the delete menu item.
     81      * @param MenuItem the item that was pressed
     82      * @return false to allow normal menu processing to proceed, true to consume it here
     83      */
     84     @Override
     85     public boolean onOptionsItemSelected(MenuItem item) {
     86         if (item.getItemId() == OPTIONS_MENU_DELETE) {
     87             mContents.delete(getActivity());
     88             mIsDeleting = true;
     89             getActivity().onBackPressed();
     90             return true;
     91         }
     92         return false;
     93     }
     94 
     95     @Override
     96     public void onResume() {
     97         super.onResume();
     98         // We are being shown: display the word
     99         updateSpinner();
    100     }
    101 
    102     private void updateSpinner() {
    103         final ArrayList<LocaleRenderer> localesList = mContents.getLocalesList(getActivity());
    104 
    105         final Spinner localeSpinner =
    106                 (Spinner)mRootView.findViewById(R.id.user_dictionary_add_locale);
    107         final ArrayAdapter<LocaleRenderer> adapter = new ArrayAdapter<LocaleRenderer>(getActivity(),
    108                 android.R.layout.simple_spinner_item, localesList);
    109         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    110         localeSpinner.setAdapter(adapter);
    111         localeSpinner.setOnItemSelectedListener(this);
    112     }
    113 
    114     @Override
    115     public void onPause() {
    116         super.onPause();
    117         // We are being hidden: commit changes to the user dictionary, unless we were deleting it
    118         if (!mIsDeleting) {
    119             mContents.apply(getActivity());
    120         }
    121     }
    122 
    123     @Override
    124     public void onItemSelected(final AdapterView<?> parent, final View view, final int pos,
    125             final long id) {
    126         final LocaleRenderer locale = (LocaleRenderer)parent.getItemAtPosition(pos);
    127         if (locale.isMoreLanguages()) {
    128             PreferenceActivity preferenceActivity = (PreferenceActivity)getActivity();
    129             preferenceActivity.startPreferenceFragment(new UserDictionaryLocalePicker(this), true);
    130         } else {
    131             mContents.updateLocale(locale.getLocaleString());
    132         }
    133     }
    134 
    135     @Override
    136     public void onNothingSelected(final AdapterView<?> parent) {
    137         // I'm not sure we can come here, but if we do, that's the right thing to do.
    138         final Bundle args = getArguments();
    139         mContents.updateLocale(args.getString(UserDictionaryAddWordContents.EXTRA_LOCALE));
    140     }
    141 
    142     // Called by the locale picker
    143     @Override
    144     public void onLocaleSelected(final Locale locale) {
    145         mContents.updateLocale(locale.toString());
    146         getActivity().onBackPressed();
    147     }
    148 }
    149