src/com/owncloud/android/ui/dialog/ExpirationDatePickerDialogFragment.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.ui.dialog;
  22
  23
  24 import android.app.DatePickerDialog;
  25 import android.app.Dialog;
  26 import android.content.DialogInterface;
  27 import android.os.Bundle;
  28 import android.support.v4.app.DialogFragment;
  29 import android.text.format.DateUtils;
  30 import android.widget.DatePicker;
  31 import android.widget.Toast;
  32
  33 import com.owncloud.android.datamodel.OCFile;
  34 import com.owncloud.android.ui.activity.FileActivity;
  35
  36 import java.util.Calendar;
  37 import java.util.Date;
  38
  39 /**
  40  *  Dialog requesting a date after today.
  41  */
  42 public class ExpirationDatePickerDialogFragment
  43         extends DialogFragment
  44         implements DatePickerDialog.OnDateSetListener {
  45
  46     /** Tag for FragmentsManager */
  47     public static final String DATE_PICKER_DIALOG = "DATE_PICKER_DIALOG";
  48
  49     /** Parameter constant for {@link OCFile} instance to set the expiration date */
  50     private static final String ARG_FILE = "FILE";
  51
  52     /** Parameter constant for date chosen initially */
  53     private static final String ARG_CHOSEN_DATE_IN_MILLIS = "CHOSEN_DATE_IN_MILLIS";
  54
  55     /** File to bind an expiration date */
  56     private OCFile mFile;
  57
  58     /**
  59      *  Factory method to create new instances
  60      *
  61      *  @param file                 File to bind an expiration date
  62      *  @param chosenDateInMillis   Date chosen when the dialog appears
  63      *  @return                     New dialog instance
  64      */
  65     public static ExpirationDatePickerDialogFragment newInstance(OCFile file, long chosenDateInMillis) {
  66         Bundle arguments = new Bundle();
  67         arguments.putParcelable(ARG_FILE, file);
  68         arguments.putLong(ARG_CHOSEN_DATE_IN_MILLIS, chosenDateInMillis);
  69
  70         ExpirationDatePickerDialogFragment dialog = new ExpirationDatePickerDialogFragment();
  71         dialog.setArguments(arguments);
  72         return dialog;
  73     }
  74
  75     /**
  76      * {@inheritDoc}
  77      *
  78      * @return      A new dialog to let the user choose an expiration date that will be bound to a share link.
  79      */
  80     @Override
  81     public Dialog onCreateDialog(Bundle savedInstanceState) {
  82         // Load arguments
  83         mFile = getArguments().getParcelable(ARG_FILE);
  84
  85         // Chosen date received as an argument must be later than tomorrow ; default to tomorrow in other case
  86         final Calendar chosenDate = Calendar.getInstance();
  87         long tomorrowInMillis = chosenDate.getTimeInMillis() + DateUtils.DAY_IN_MILLIS;
  88         long chosenDateInMillis = getArguments().getLong(ARG_CHOSEN_DATE_IN_MILLIS);
  89         if (chosenDateInMillis > tomorrowInMillis) {
  90             chosenDate.setTimeInMillis(chosenDateInMillis);
  91         } else {
  92             chosenDate.setTimeInMillis(tomorrowInMillis);
  93         }
  94
  95         // Create a new instance of DatePickerDialog
  96         DatePickerDialog dialog = new DatePickerDialog(
  97                 getActivity(),
  98                 this,
  99                 chosenDate.get(Calendar.YEAR),
 100                 chosenDate.get(Calendar.MONTH),
 101                 chosenDate.get(Calendar.DAY_OF_MONTH)
 102         );
 103
 104         // Prevent days in the past may be chosen
 105         DatePicker picker = dialog.getDatePicker();
 106         picker.setMinDate(tomorrowInMillis - 1000);
 107
 108         // Enforce spinners view; ignored by MD-based theme in Android >=5, but calendar is REALLY buggy
 109         // in Android < 5, so let's be sure it never appears (in tablets both spinners and calendar are
 110         // shown by default)
 111         picker.setCalendarViewShown(false);
 112
 113         return dialog;
 114     }
 115
 116     /**
 117      * Called when the user choses an expiration date.
 118      *
 119      * @param view              View instance where the date was chosen
 120      * @param year              Year of the date chosen.
 121      * @param monthOfYear       Month of the date chosen [0, 11]
 122      * @param dayOfMonth        Day of the date chosen
 123      */
 124     @Override
 125     public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
 126
 127         Calendar chosenDate = Calendar.getInstance();
 128         chosenDate.set(Calendar.YEAR, year);
 129         chosenDate.set(Calendar.MONTH, monthOfYear);
 130         chosenDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
 131         long chosenDateInMillis = chosenDate.getTimeInMillis();
 132
 133         ((FileActivity)getActivity()).getFileOperationsHelper().setExpirationDateToShareViaLink(
 134                 mFile,
 135                 chosenDateInMillis
 136         );
 137     }
 138 }