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 public static final String TAG = "SplitConfirmation"; 38 39 /** 40 * Callbacks for the dialog host. 41 */ 42 public interface Listener { 43 44 /** 45 * Invoked after the user has confirmed that they want to proceed with the split. 46 * 47 * @param hasPendingChanges whether there are unsaved changes in the underlying contact 48 * that should be saved before the split. 49 */ onSplitContactConfirmed(boolean hasPendingChanges)50 void onSplitContactConfirmed(boolean hasPendingChanges); 51 52 /** 53 * Invoked if the user has canceled or dismissed the dialog without making a choice. 54 */ onSplitContactCanceled()55 void onSplitContactCanceled(); 56 } 57 show(ContactEditorFragment fragment, boolean hasPendingChanges)58 public static void show(ContactEditorFragment fragment, boolean hasPendingChanges) { 59 final Bundle args = new Bundle(); 60 args.putBoolean(ARG_HAS_PENDING_CHANGES, hasPendingChanges); 61 62 final SplitContactConfirmationDialogFragment dialog = new 63 SplitContactConfirmationDialogFragment(); 64 dialog.setTargetFragment(fragment, 0); 65 dialog.setArguments(args); 66 dialog.show(fragment.getFragmentManager(), "splitContact"); 67 } 68 69 private boolean mHasPendingChanges; 70 71 @Override onCreate(Bundle savedInstanceState)72 public void onCreate(Bundle savedInstanceState) { 73 super.onCreate(savedInstanceState); 74 mHasPendingChanges = getArguments() != null 75 && getArguments().getBoolean(ARG_HAS_PENDING_CHANGES); 76 } 77 78 @Override onCreateDialog(Bundle savedInstanceState)79 public Dialog onCreateDialog(Bundle savedInstanceState) { 80 final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); 81 builder.setMessage(mHasPendingChanges 82 ? R.string.splitConfirmationWithPendingChanges 83 : R.string.splitConfirmation); 84 builder.setPositiveButton(mHasPendingChanges 85 ? R.string.splitConfirmationWithPendingChanges_positive_button 86 : R.string.splitConfirmation_positive_button, 87 new DialogInterface.OnClickListener() { 88 @Override 89 public void onClick(DialogInterface dialog, int which) { 90 getListener().onSplitContactConfirmed(mHasPendingChanges); 91 } 92 }); 93 builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { 94 @Override 95 public void onClick(DialogInterface dialog, int which) { 96 onCancel(dialog); 97 } 98 }); 99 builder.setCancelable(false); 100 return builder.create(); 101 } 102 getListener()103 private Listener getListener() { 104 return getTargetFragment() == null 105 ? (Listener) getActivity() 106 : (Listener) getTargetFragment(); 107 } 108 109 @Override onCancel(DialogInterface dialog)110 public void onCancel(DialogInterface dialog) { 111 super.onCancel(dialog); 112 getListener().onSplitContactCanceled(); 113 } 114 } 115