com.fourmob.datetimepicker.date.SupportDatePickerDialog.java Source code

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Here is the source code for com.fourmob.datetimepicker.date.SupportDatePickerDialog.java

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/*******************************************************************************
 * Mirakel is an Android App for managing your ToDo-Lists
 *
 *   Copyright (c) 2013-2015 Anatolij Zelenin, Georg Semmler.
 *
 *       This program is free software: you can redistribute it and/or modify
 *       it under the terms of the GNU General Public License as published by
 *       the Free Software Foundation, either version 3 of the License, or
 *       any later version.
 *
 *       This program is distributed in the hope that it will be useful,
 *       but WITHOUT ANY WARRANTY; without even the implied warranty of
 *       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *       GNU General Public License for more details.
 *
 *       You should have received a copy of the GNU General Public License
 *       along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

package com.fourmob.datetimepicker.date;

import android.app.Activity;
import android.app.Dialog;
import android.content.res.Configuration;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;

import com.fourmob.datetimepicker.date.DatePicker.OnDateSetListener;
import com.google.common.base.Optional;

import org.joda.time.DateTime;
import org.joda.time.LocalDate;

import de.azapps.mirakel.date_time.R;

public class SupportDatePickerDialog extends DialogFragment {

    protected DatePicker mDatePicker;
    private OnDateSetListener mCallback;
    protected LocalDate mInitDate;

    //dirty hack to get a reference to the
    // originally created dialog if the screen was rotated
    private static Dialog dialog;

    @NonNull
    @Override
    public Dialog onCreateDialog(final Bundle savedInstanceState) {
        dialog = super.onCreateDialog(savedInstanceState);
        return dialog;
    }

    public static SupportDatePickerDialog newInstance(final OnDateSetListener onDateSetListener,
            final @NonNull Optional<DateTime> mStartDate) {
        if (mStartDate.isPresent()) {
            return newInstance(onDateSetListener, mStartDate.get().toLocalDate());
        } else {
            return newInstance(onDateSetListener, new LocalDate());
        }
    }

    public static SupportDatePickerDialog newInstance(final OnDateSetListener onDateSetListener,
            final @NonNull LocalDate initDate) {
        final SupportDatePickerDialog datePickerDialog = new SupportDatePickerDialog();
        datePickerDialog.initialize(onDateSetListener, initDate);
        return datePickerDialog;
    }

    public void initialize(final OnDateSetListener onDateSetListener, final @NonNull LocalDate initDate) {
        this.mCallback = new OnDateSetListener() {
            @Override
            public void onDateSet(final DatePicker datePickerDialog, final @NonNull Optional<LocalDate> newDate) {
                if (onDateSetListener != null) {
                    onDateSetListener.onDateSet(datePickerDialog, newDate);
                }
                safeDismiss();
            }
        };
        this.mInitDate = initDate;
    }

    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        final Activity activity = getActivity();
        activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    }

    @Override
    public void onConfigurationChanged(final Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        final Bundle b = (Bundle) this.mDatePicker.onSaveInstanceState();
        getDialog().setContentView(onCreateView(LayoutInflater.from(getDialog().getContext()), null, b));
        mDatePicker.onRestoreInstanceState(b);
    }

    @Override
    public View onCreateView(final LayoutInflater layoutInflater, final ViewGroup parent, final Bundle bundle) {
        Log.d("DatePickerDialog", "onCreateView: ");
        try {
            getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
        } catch (final RuntimeException e) {
            e.printStackTrace();
        }
        final View view = layoutInflater.inflate(R.layout.date_picker_dialog, null);
        this.mDatePicker = (DatePicker) view.findViewById(R.id.date_picker);
        this.mDatePicker.setOnDateSetListener(this.mCallback);
        SupportDatePickerDialog.this.mDatePicker.setDate(mInitDate);
        return view;
    }

    @Override
    public void onSaveInstanceState(final Bundle bundle) {
        super.onSaveInstanceState(bundle);
        bundle.putAll((Bundle) mDatePicker.onSaveInstanceState());
    }

    @Override
    public void onViewStateRestored(final Bundle savedInstanceState) {
        super.onViewStateRestored(savedInstanceState);
        mDatePicker.onRestoreInstanceState(savedInstanceState);
    }

    private void safeDismiss() {
        try {
            dismiss();
        } catch (final NullPointerException ignored) {
            // if the user rotates the screen the current dialog is gone
            // so use this dirty hack to get it back
            dialog.dismiss();

        }
    }
}