ConfirmDeleteCommentDialogFragment.java

/*
 * Copyright (c) 2015 Zhang Hai <Dreaming.in.Code.ZH@Gmail.com>
 * All Rights Reserved.
 */

package me.zhanghai.android.douya.broadcast.ui;

import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.Fragment;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatDialogFragment;

import me.zhanghai.android.douya.R;
import me.zhanghai.android.douya.network.api.info.apiv2.Comment;
import me.zhanghai.android.douya.util.FragmentUtils;

public class ConfirmDeleteCommentDialogFragment extends AppCompatDialogFragment {

    private static final String KEY_PREFIX = ConfirmDeleteCommentDialogFragment.class.getName()
            + '.';

    private static final String EXTRA_COMMENT = KEY_PREFIX + "comment";

    private Comment mComment;

    /**
     * @deprecated Use {@link #newInstance(Comment)} instead.
     */
    public ConfirmDeleteCommentDialogFragment() {}

    public static ConfirmDeleteCommentDialogFragment newInstance(Comment comment) {
        //noinspection deprecation
        ConfirmDeleteCommentDialogFragment fragment = new ConfirmDeleteCommentDialogFragment();
        FragmentUtils.ensureArguments(fragment)
                .putParcelable(EXTRA_COMMENT, comment);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mComment = getArguments().getParcelable(EXTRA_COMMENT);
    }

    @NonNull
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity(), getTheme())
                .setMessage(R.string.broadcast_comment_delete_confirm)
                .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        getListener().deleteComment(mComment);
                    }
                })
                .setNegativeButton(R.string.cancel, null)
                .create();
    }

    private Listener getListener() {
        return (Listener) getParentFragment();
    }

    public static void show(Comment comment, Fragment fragment) {
        ConfirmDeleteCommentDialogFragment.newInstance(comment)
                .show(fragment.getChildFragmentManager(), null);
    }

    public interface Listener {
        void deleteComment(Comment comment);
    }
}