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      1 /*
      2  * Copyright (C) 2014 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 
     17 package com.android.documentsui;
     18 
     19 import android.app.Fragment;
     20 import android.app.FragmentManager;
     21 import android.app.FragmentTransaction;
     22 import android.os.Bundle;
     23 import android.text.TextUtils;
     24 import android.view.LayoutInflater;
     25 import android.view.View;
     26 import android.view.ViewGroup;
     27 import android.widget.Button;
     28 
     29 import com.android.documentsui.model.DocumentInfo;
     30 
     31 import java.util.Locale;
     32 
     33 /**
     34  * Display pick confirmation bar, usually for selecting a directory.
     35  */
     36 public class PickFragment extends Fragment {
     37     public static final String TAG = "PickFragment";
     38 
     39     private DocumentInfo mPickTarget;
     40 
     41     private View mContainer;
     42     private Button mPick;
     43 
     44     public static void show(FragmentManager fm) {
     45         final PickFragment fragment = new PickFragment();
     46 
     47         final FragmentTransaction ft = fm.beginTransaction();
     48         ft.replace(R.id.container_save, fragment, TAG);
     49         ft.commitAllowingStateLoss();
     50     }
     51 
     52     public static PickFragment get(FragmentManager fm) {
     53         return (PickFragment) fm.findFragmentByTag(TAG);
     54     }
     55 
     56     @Override
     57     public View onCreateView(
     58             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     59         mContainer = inflater.inflate(R.layout.fragment_pick, container, false);
     60 
     61         mPick = (Button) mContainer.findViewById(android.R.id.button1);
     62         mPick.setOnClickListener(mPickListener);
     63 
     64         setPickTarget(null, null);
     65 
     66         return mContainer;
     67     }
     68 
     69     private View.OnClickListener mPickListener = new View.OnClickListener() {
     70         @Override
     71         public void onClick(View v) {
     72             final DocumentsActivity activity = DocumentsActivity.get(PickFragment.this);
     73             activity.onPickRequested(mPickTarget);
     74         }
     75     };
     76 
     77     public void setPickTarget(DocumentInfo pickTarget, CharSequence displayName) {
     78         mPickTarget = pickTarget;
     79 
     80         if (mContainer != null) {
     81             if (mPickTarget != null) {
     82                 mContainer.setVisibility(View.VISIBLE);
     83                 final Locale locale = getResources().getConfiguration().locale;
     84                 final String raw = getString(R.string.menu_select).toUpperCase(locale);
     85                 mPick.setText(TextUtils.expandTemplate(raw, displayName));
     86             } else {
     87                 mContainer.setVisibility(View.GONE);
     88             }
     89         }
     90     }
     91 }
     92