src/com/morphoss/acal/widget/DateTimeDialog.java

   1 /*
   2  * Copyright (C) 2011 Morphoss Ltd
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.morphoss.acal.widget;
  20
  21 import java.util.ArrayList;
  22
  23 import android.app.Dialog;
  24 import android.content.Context;
  25 import android.content.SharedPreferences;
  26 import android.content.SharedPreferences.Editor;
  27 import android.preference.PreferenceManager;
  28 import android.view.View;
  29 import android.view.View.OnClickListener;
  30 import android.widget.AdapterView;
  31 import android.widget.AdapterView.OnItemSelectedListener;
  32 import android.widget.Button;
  33 import android.widget.CheckBox;
  34 import android.widget.CompoundButton;
  35 import android.widget.CompoundButton.OnCheckedChangeListener;
  36 import android.widget.DatePicker;
  37 import android.widget.DatePicker.OnDateChangedListener;
  38 import android.widget.Spinner;
  39 import android.widget.TimePicker;
  40 import android.widget.TimePicker.OnTimeChangedListener;
  41
  42 import com.morphoss.acal.R;
  43 import com.morphoss.acal.acaltime.AcalDateTime;
  44 import com.morphoss.acal.acaltime.AcalDateTimeFormatter;
  45
  46 /**
  47  * @author Morphoss Ltd
  48  */
  49
  50 public class DateTimeDialog extends Dialog
  51                 implements      OnClickListener, OnTimeChangedListener, OnDateChangedListener,
  52                                         OnCheckedChangeListener, OnItemSelectedListener
  53 {
  54
  55         private static final String     TZPREFNAME      = "recentTimeZone-";
  56         private Context context;
  57         private DateTimeSetListener dialogListener;
  58
  59         private Button setButton;
  60         private Button cancelButton;
  61         private DatePicker datePicker;
  62         private TimePicker timePicker;
  63         private CheckBox dateOnlyCheckBox;
  64         private Spinner timeZoneSpinner;
  65         private TimeZoneListAdapter tzListAdapter;
  66         private boolean allowDateVsDateTimeSwitching = true;
  67
  68         private int oldTimeZoneWas = 0;
  69
  70         private ArrayList<String> recentZones;
  71
  72         private AcalDateTime currentDateTime;
  73         private final boolean use24HourTime;
  74         private final boolean allowTimeZoneSetting;
  75         private SharedPreferences       prefs;
  76
  77         public DateTimeDialog(Context context, AcalDateTime dateTimeValue, boolean twentyFourHourTime,
  78                         boolean allowDateTimeSwitching, boolean allowTimeZones, DateTimeSetListener listener )  {
  79         super(context);
  80         this.context = context;
  81         this.dialogListener = listener;
  82         use24HourTime = twentyFourHourTime;
  83         setContentView(R.layout.datetime_dialog);
  84         allowDateVsDateTimeSwitching = allowDateTimeSwitching;
  85         allowTimeZoneSetting = allowTimeZones;
  86
  87         recentZones = new ArrayList<String>(10);
  88         prefs = PreferenceManager.getDefaultSharedPreferences(context);
  89         String recentZonePref;
  90                 for( int i=0; i<10; i++ ) {
  91                 recentZonePref = prefs.getString(TZPREFNAME+i, null);
  92                 if ( recentZonePref != null ) {
  93                         recentZones.add(recentZonePref);
  94                 }
  95         }
  96
  97         currentDateTime = (dateTimeValue == null ? new AcalDateTime() : dateTimeValue.clone());
  98         populateLayout();
  99         }
 100
 101
 102         private void populateLayout() {
 103
 104         setButton = (Button)this.findViewById(R.id.DateTimeSetButton);
 105         cancelButton = (Button)this.findViewById(R.id.DateTimeCancelButton);
 106         setButton.setOnClickListener(this);
 107         cancelButton.setOnClickListener(this);
 108
 109         datePicker = (DatePicker) this.findViewById(R.id.datePicker);
 110         datePicker.init(currentDateTime.getYear(), currentDateTime.getMonth() - 1, currentDateTime.getMonthDay(),this);
 111
 112         timePicker = (TimePicker) this.findViewById(R.id.timePicker);
 113         timePicker.setIs24HourView(use24HourTime);
 114         timePicker.setCurrentHour((int) currentDateTime.getHour());
 115         timePicker.setCurrentMinute((int) currentDateTime.getMinute());
 116         timePicker.setOnTimeChangedListener(this);
 117
 118         dateOnlyCheckBox = (CheckBox) this.findViewById(R.id.DateTimeIsDate);
 119
 120         timeZoneSpinner = (Spinner) this.findViewById(R.id.DateTimeZoneSelect);
 121         tzListAdapter = new TimeZoneListAdapter(this.context, currentDateTime.getTimeZone(), recentZones);
 122         timeZoneSpinner.setAdapter(tzListAdapter);
 123         timeZoneSpinner.setOnItemSelectedListener(this);
 124
 125         if ( allowDateVsDateTimeSwitching ) {
 126                 dateOnlyCheckBox.setChecked(currentDateTime.isDate());
 127                 dateOnlyCheckBox.setOnCheckedChangeListener(this);
 128         }
 129         else {
 130                 dateOnlyCheckBox.setVisibility(View.GONE);
 131                 if ( currentDateTime.isDate() ) {
 132                         timePicker.setVisibility(View.GONE);
 133                         timeZoneSpinner.setVisibility(View.GONE);
 134                 }
 135         }
 136         if ( !allowTimeZoneSetting )
 137                 timeZoneSpinner.setVisibility(View.GONE);
 138
 139         updateLayout();
 140     }
 141
 142
 143         private void updateLayout() {
 144                 timePicker.setEnabled(!dateOnlyCheckBox.isChecked());
 145                 timeZoneSpinner.setSelection(dateOnlyCheckBox.isChecked() ? 0 : tzListAdapter.getPositionOf(currentDateTime.getTimeZoneId()));
 146         timeZoneSpinner.setEnabled(!dateOnlyCheckBox.isChecked());
 147         this.setTitle(AcalDateTimeFormatter.fmtFull(currentDateTime,use24HourTime));
 148         }
 149
 150
 151         private void toggleIsDate( boolean isDate ) {
 152                 if ( isDate ) oldTimeZoneWas = timeZoneSpinner.getSelectedItemPosition();
 153                 currentDateTime.setAsDate(isDate);
 154                 if ( !isDate ) {
 155                         currentDateTime.setTimeZone(tzListAdapter.getTzId(oldTimeZoneWas));
 156                         timeZoneSpinner.setSelection(oldTimeZoneWas);
 157                 }
 158                 updateLayout();
 159         }
 160
 161
 162         @Override
 163         public void onClick(View v) {
 164                 if (v == setButton) {
 165                         dialogListener.onDateTimeSet(currentDateTime);
 166
 167                         if ( !currentDateTime.isFloating() ) {
 168                                 String currentZone = currentDateTime.getTimeZoneId();
 169                                 Editor e = prefs.edit();
 170                                 e.putString(TZPREFNAME+0, currentZone);
 171                                 for( int i=0; i<recentZones.size() && i<9; i++) {
 172                                         if ( recentZones.get(i).equals(currentZone) ) recentZones.remove(i);
 173                                         if ( i<recentZones.size() ) {
 174                                                 e.putString(TZPREFNAME+i, recentZones.get(i));
 175                                         }
 176                                 }
 177                                 e.commit();
 178                         }
 179                 }
 180
 181                 this.dismiss();
 182         }
 183
 184
 185         @Override
 186         public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 187                 if ( buttonView == dateOnlyCheckBox )           toggleIsDate(isChecked);
 188         }
 189
 190
 191         @Override
 192     public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
 193                 currentDateTime.setTimeZone(tzListAdapter.getTzId(timeZoneSpinner.getSelectedItemPosition()));
 194                 updateLayout();
 195     }
 196
 197
 198         @Override
 199     public void onNothingSelected(AdapterView<?> parent) {
 200       // Do nothing.
 201     }
 202
 203
 204
 205
 206         @Override
 207         public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
 208                 currentDateTime.setHour(hourOfDay);
 209                 currentDateTime.setMinute(minute);
 210                 updateLayout();
 211         }
 212
 213
 214         @Override
 215         public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
 216                 currentDateTime.setYearMonthDay(year, monthOfYear+1, dayOfMonth);
 217                 updateLayout();
 218         }
 219 }