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      1 /*
      2  * Copyright (C) 2010 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.contacts.editor;
     18 
     19 import android.app.AlertDialog;
     20 import android.app.Dialog;
     21 import android.app.DialogFragment;
     22 import android.app.Fragment;
     23 import android.content.DialogInterface;
     24 import android.os.Bundle;
     25 
     26 import com.android.contacts.R;
     27 
     28 /**
     29  * Shows a dialog asking the user whether to split the contact. The result is passed back
     30  * to the Fragment that is configured by {@link Fragment#setTargetFragment(Fragment, int)}, which
     31  * has to implement {@link SplitContactConfirmationDialogFragment.Listener}.
     32  * Does not split the contact itself.
     33  */
     34 public class SplitContactConfirmationDialogFragment extends DialogFragment {
     35 
     36     private static final String ARG_HAS_PENDING_CHANGES = "hasPendingChanges";
     37 
     38     /**
     39      * Callbacks for the dialog host.
     40      */
     41     public interface Listener {
     42 
     43         /**
     44          * Invoked after the user has confirmed that they want to proceed with the split.
     45          *
     46          * @param hasPendingChanges whether there are unsaved changes in the underlying contact
     47          *         that should be saved before the split.
     48          */
     49         void onSplitContactConfirmed(boolean hasPendingChanges);
     50     }
     51 
     52     public static void show(ContactEditorBaseFragment fragment, boolean hasPendingChanges) {
     53         final Bundle args = new Bundle();
     54         args.putBoolean(ARG_HAS_PENDING_CHANGES, hasPendingChanges);
     55 
     56         final SplitContactConfirmationDialogFragment dialog = new
     57                 SplitContactConfirmationDialogFragment();
     58         dialog.setTargetFragment(fragment, 0);
     59         dialog.setArguments(args);
     60         dialog.show(fragment.getFragmentManager(), "splitContact");
     61     }
     62 
     63     private boolean mHasPendingChanges;
     64 
     65     @Override
     66     public void onCreate(Bundle savedInstanceState) {
     67         super.onCreate(savedInstanceState);
     68         mHasPendingChanges = getArguments().getBoolean(ARG_HAS_PENDING_CHANGES);
     69     }
     70 
     71     @Override
     72     public Dialog onCreateDialog(Bundle savedInstanceState) {
     73         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
     74         builder.setMessage(mHasPendingChanges
     75                 ? R.string.splitConfirmationWithPendingChanges
     76                 : R.string.splitConfirmation);
     77         builder.setPositiveButton(mHasPendingChanges
     78                 ? R.string.splitConfirmationWithPendingChanges_positive_button
     79                 : R.string.splitConfirmation_positive_button,
     80                 new DialogInterface.OnClickListener() {
     81                     @Override
     82                     public void onClick(DialogInterface dialog, int which) {
     83                         final Listener targetListener = (Listener) getTargetFragment();
     84                         targetListener.onSplitContactConfirmed(mHasPendingChanges);
     85                     }
     86                 });
     87         builder.setNegativeButton(android.R.string.cancel, null);
     88         builder.setCancelable(false);
     89         return builder.create();
     90     }
     91 }
     92