DateTimePickerDialog.java

    /*
     * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *        http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    package net.micode.notes.ui;

    import java.util.Calendar;

    import net.micode.notes.R;
    import net.micode.notes.ui.DateTimePicker;
    import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;

    import android.app.AlertDialog;
    import android.content.Context;
    import android.content.DialogInterface;
    import android.content.DialogInterface.OnClickListener;
    import android.text.format.DateFormat;
    import android.text.format.DateUtils;

    public class DateTimePickerDialog extends AlertDialog implements OnClickListener {

        private Calendar mDate = Calendar.getInstance();
        private boolean mIs24HourView;
        private OnDateTimeSetListener mOnDateTimeSetListener;
        private DateTimePicker mDateTimePicker;

        public interface OnDateTimeSetListener {
            void OnDateTimeSet(AlertDialog dialog, long date);
        }

        public DateTimePickerDialog(Context context, long date) {
            super(context);
            mDateTimePicker = new DateTimePicker(context);
            setView(mDateTimePicker);
            mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
                public void onDateTimeChanged(DateTimePicker view, int year, int month,
                        int dayOfMonth, int hourOfDay, int minute) {
                    mDate.set(Calendar.YEAR, year);
                    mDate.set(Calendar.MONTH, month);
                    mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
                    mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
                    mDate.set(Calendar.MINUTE, minute);
                    updateTitle(mDate.getTimeInMillis());
                }
            });
            mDate.setTimeInMillis(date);
            mDate.set(Calendar.SECOND, 0);
            mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
            setButton(context.getString(R.string.datetime_dialog_ok), this);
            setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
            set24HourView(DateFormat.is24HourFormat(this.getContext()));
            updateTitle(mDate.getTimeInMillis());
        }

        public void set24HourView(boolean is24HourView) {
            mIs24HourView = is24HourView;
        }

        public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
            mOnDateTimeSetListener = callBack;
        }

        private void updateTitle(long date) {
            int flag =
                DateUtils.FORMAT_SHOW_YEAR |
                DateUtils.FORMAT_SHOW_DATE |
                DateUtils.FORMAT_SHOW_TIME;
            flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
            setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
        }

        public void onClick(DialogInterface arg0, int arg1) {
            if (mOnDateTimeSetListener != null) {
                mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
            }
        }

    }