94 lines
3.3 KiB
Java
94 lines
3.3 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.activity;
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import com.android.email.R;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.DialogFragment;
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import android.app.Fragment;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.res.Resources;
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import android.os.Bundle;
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/**
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* Confirmation dialog for deleting messages.
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*/
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public class DeleteMessageConfirmationDialog extends DialogFragment
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implements DialogInterface.OnClickListener {
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private static final String COUNT_MESSAGES_ARG = "count_messages";
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public interface Callback {
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public void onDeleteMessageConfirmationDialogOkPressed();
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}
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/**
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* Create a new dialog.
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*
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* @param countMessage the number of messages to be deleted
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* @param callbackFragment fragment that implements {@link Callback}. Or null, in which case
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* the parent activity must implement {@link Callback}.
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*/
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public static DeleteMessageConfirmationDialog newInstance(int countMessage,
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Fragment callbackFragment) {
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final DeleteMessageConfirmationDialog dialog = new DeleteMessageConfirmationDialog();
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final Bundle args = new Bundle();
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args.putInt(COUNT_MESSAGES_ARG, countMessage);
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dialog.setArguments(args);
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if (callbackFragment != null) {
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dialog.setTargetFragment(callbackFragment, 0);
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}
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return dialog;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final int countMessages = getArguments().getInt(COUNT_MESSAGES_ARG);
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final Context context = getActivity();
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final Resources res = context.getResources();
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final AlertDialog.Builder b = new AlertDialog.Builder(context);
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b.setTitle(res.getString(R.string.message_delete_dialog_title))
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.setIconAttribute(android.R.attr.alertDialogIcon)
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.setMessage(res.getQuantityString(R.plurals.message_delete_confirm, countMessages))
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.setPositiveButton(R.string.okay_action, this)
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.setNegativeButton(R.string.cancel_action, null);
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return b.create();
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}
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@Override
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public void onClick(DialogInterface dialog, int which) {
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switch (which) {
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case DialogInterface.BUTTON_POSITIVE:
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getCallback().onDeleteMessageConfirmationDialogOkPressed();
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break;
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}
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}
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private Callback getCallback() {
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Fragment targetFragment = getTargetFragment();
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if (targetFragment != null) {
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// If a target is set, it MUST implement Callback.
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return (Callback) targetFragment;
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}
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// If not the parent activity MUST implement Callback.
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return (Callback) getActivity();
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}
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}
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