Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.widget; |
| 18 | |
| 19 | import com.android.internal.widget.PagerAdapter; |
| 20 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 21 | import android.annotation.IdRes; |
| 22 | import android.annotation.LayoutRes; |
| 23 | import android.annotation.NonNull; |
| 24 | import android.annotation.Nullable; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 25 | import android.content.Context; |
| 26 | import android.content.res.ColorStateList; |
| 27 | import android.content.res.TypedArray; |
| 28 | import android.util.SparseArray; |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 29 | import android.view.LayoutInflater; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 30 | import android.view.View; |
| 31 | import android.view.ViewGroup; |
| 32 | import android.widget.SimpleMonthView.OnDayClickListener; |
| 33 | |
| 34 | import java.util.Calendar; |
| 35 | |
| 36 | /** |
| 37 | * An adapter for a list of {@link android.widget.SimpleMonthView} items. |
| 38 | */ |
| 39 | class DayPickerAdapter extends PagerAdapter { |
| 40 | private static final int MONTHS_IN_YEAR = 12; |
| 41 | |
| 42 | private final Calendar mMinDate = Calendar.getInstance(); |
| 43 | private final Calendar mMaxDate = Calendar.getInstance(); |
| 44 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 45 | private final SparseArray<ViewHolder> mItems = new SparseArray<>(); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 46 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 47 | private final LayoutInflater mInflater; |
| 48 | private final int mLayoutResId; |
| 49 | private final int mCalendarViewId; |
| 50 | |
| 51 | private Calendar mSelectedDay = null; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 52 | |
| 53 | private int mMonthTextAppearance; |
| 54 | private int mDayOfWeekTextAppearance; |
| 55 | private int mDayTextAppearance; |
| 56 | |
| 57 | private ColorStateList mCalendarTextColor; |
| 58 | private ColorStateList mDaySelectorColor; |
| 59 | private ColorStateList mDayHighlightColor; |
| 60 | |
| 61 | private OnDaySelectedListener mOnDaySelectedListener; |
| 62 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 63 | private int mCount; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 64 | private int mFirstDayOfWeek; |
| 65 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 66 | public DayPickerAdapter(@NonNull Context context, @LayoutRes int layoutResId, |
| 67 | @IdRes int calendarViewId) { |
| 68 | mInflater = LayoutInflater.from(context); |
| 69 | mLayoutResId = layoutResId; |
| 70 | mCalendarViewId = calendarViewId; |
| 71 | |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 72 | final TypedArray ta = context.obtainStyledAttributes(new int[] { |
| 73 | com.android.internal.R.attr.colorControlHighlight}); |
| 74 | mDayHighlightColor = ta.getColorStateList(0); |
| 75 | ta.recycle(); |
| 76 | } |
| 77 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 78 | public void setRange(@NonNull Calendar min, @NonNull Calendar max) { |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 79 | mMinDate.setTimeInMillis(min.getTimeInMillis()); |
| 80 | mMaxDate.setTimeInMillis(max.getTimeInMillis()); |
| 81 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 82 | final int diffYear = mMaxDate.get(Calendar.YEAR) - mMinDate.get(Calendar.YEAR); |
| 83 | final int diffMonth = mMaxDate.get(Calendar.MONTH) - mMinDate.get(Calendar.MONTH); |
| 84 | mCount = diffMonth + MONTHS_IN_YEAR * diffYear + 1; |
| 85 | |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 86 | // Positions are now invalid, clear everything and start over. |
| 87 | notifyDataSetChanged(); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Sets the first day of the week. |
| 92 | * |
| 93 | * @param weekStart which day the week should start on, valid values are |
| 94 | * {@link Calendar#SUNDAY} through {@link Calendar#SATURDAY} |
| 95 | */ |
| 96 | public void setFirstDayOfWeek(int weekStart) { |
| 97 | mFirstDayOfWeek = weekStart; |
| 98 | |
| 99 | // Update displayed views. |
| 100 | final int count = mItems.size(); |
| 101 | for (int i = 0; i < count; i++) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 102 | final SimpleMonthView monthView = mItems.valueAt(i).calendar; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 103 | monthView.setFirstDayOfWeek(weekStart); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | public int getFirstDayOfWeek() { |
| 108 | return mFirstDayOfWeek; |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Sets the selected day. |
| 113 | * |
| 114 | * @param day the selected day |
| 115 | */ |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 116 | public void setSelectedDay(@Nullable Calendar day) { |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 117 | final int oldPosition = getPositionForDay(mSelectedDay); |
| 118 | final int newPosition = getPositionForDay(day); |
| 119 | |
| 120 | // Clear the old position if necessary. |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 121 | if (oldPosition != newPosition && oldPosition >= 0) { |
| 122 | final ViewHolder oldMonthView = mItems.get(oldPosition, null); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 123 | if (oldMonthView != null) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 124 | oldMonthView.calendar.setSelectedDay(-1); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | |
| 128 | // Set the new position. |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 129 | if (newPosition >= 0) { |
| 130 | final ViewHolder newMonthView = mItems.get(newPosition, null); |
| 131 | if (newMonthView != null) { |
| 132 | final int dayOfMonth = day.get(Calendar.DAY_OF_MONTH); |
| 133 | newMonthView.calendar.setSelectedDay(dayOfMonth); |
| 134 | } |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | mSelectedDay = day; |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Sets the listener to call when the user selects a day. |
| 142 | * |
| 143 | * @param listener The listener to call. |
| 144 | */ |
| 145 | public void setOnDaySelectedListener(OnDaySelectedListener listener) { |
| 146 | mOnDaySelectedListener = listener; |
| 147 | } |
| 148 | |
| 149 | void setCalendarTextColor(ColorStateList calendarTextColor) { |
| 150 | mCalendarTextColor = calendarTextColor; |
| 151 | } |
| 152 | |
| 153 | void setDaySelectorColor(ColorStateList selectorColor) { |
| 154 | mDaySelectorColor = selectorColor; |
| 155 | } |
| 156 | |
| 157 | void setMonthTextAppearance(int resId) { |
| 158 | mMonthTextAppearance = resId; |
| 159 | } |
| 160 | |
| 161 | void setDayOfWeekTextAppearance(int resId) { |
| 162 | mDayOfWeekTextAppearance = resId; |
| 163 | } |
| 164 | |
| 165 | int getDayOfWeekTextAppearance() { |
| 166 | return mDayOfWeekTextAppearance; |
| 167 | } |
| 168 | |
| 169 | void setDayTextAppearance(int resId) { |
| 170 | mDayTextAppearance = resId; |
| 171 | } |
| 172 | |
| 173 | int getDayTextAppearance() { |
| 174 | return mDayTextAppearance; |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public int getCount() { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 179 | return mCount; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | @Override |
| 183 | public boolean isViewFromObject(View view, Object object) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 184 | final ViewHolder holder = (ViewHolder) object; |
| 185 | return view == holder.container; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | private int getMonthForPosition(int position) { |
| 189 | return position % MONTHS_IN_YEAR + mMinDate.get(Calendar.MONTH); |
| 190 | } |
| 191 | |
| 192 | private int getYearForPosition(int position) { |
| 193 | return position / MONTHS_IN_YEAR + mMinDate.get(Calendar.YEAR); |
| 194 | } |
| 195 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 196 | private int getPositionForDay(@Nullable Calendar day) { |
| 197 | if (day == null) { |
| 198 | return -1; |
| 199 | } |
| 200 | |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 201 | final int yearOffset = (day.get(Calendar.YEAR) - mMinDate.get(Calendar.YEAR)); |
| 202 | final int monthOffset = (day.get(Calendar.MONTH) - mMinDate.get(Calendar.MONTH)); |
| 203 | return yearOffset * MONTHS_IN_YEAR + monthOffset; |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public Object instantiateItem(ViewGroup container, int position) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 208 | final View itemView = mInflater.inflate(mLayoutResId, container, false); |
| 209 | |
| 210 | final SimpleMonthView v = (SimpleMonthView) itemView.findViewById(mCalendarViewId); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 211 | v.setOnDayClickListener(mOnDayClickListener); |
| 212 | v.setMonthTextAppearance(mMonthTextAppearance); |
| 213 | v.setDayOfWeekTextAppearance(mDayOfWeekTextAppearance); |
| 214 | v.setDayTextAppearance(mDayTextAppearance); |
| 215 | |
| 216 | if (mDaySelectorColor != null) { |
| 217 | v.setDaySelectorColor(mDaySelectorColor); |
| 218 | } |
| 219 | |
| 220 | if (mDayHighlightColor != null) { |
| 221 | v.setDayHighlightColor(mDayHighlightColor); |
| 222 | } |
| 223 | |
| 224 | if (mCalendarTextColor != null) { |
| 225 | v.setMonthTextColor(mCalendarTextColor); |
| 226 | v.setDayOfWeekTextColor(mCalendarTextColor); |
| 227 | v.setDayTextColor(mCalendarTextColor); |
| 228 | } |
| 229 | |
| 230 | final int month = getMonthForPosition(position); |
| 231 | final int year = getYearForPosition(position); |
| 232 | |
| 233 | final int selectedDay; |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 234 | if (mSelectedDay != null && mSelectedDay.get(Calendar.MONTH) == month) { |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 235 | selectedDay = mSelectedDay.get(Calendar.DAY_OF_MONTH); |
| 236 | } else { |
| 237 | selectedDay = -1; |
| 238 | } |
| 239 | |
| 240 | final int enabledDayRangeStart; |
| 241 | if (mMinDate.get(Calendar.MONTH) == month && mMinDate.get(Calendar.YEAR) == year) { |
| 242 | enabledDayRangeStart = mMinDate.get(Calendar.DAY_OF_MONTH); |
| 243 | } else { |
| 244 | enabledDayRangeStart = 1; |
| 245 | } |
| 246 | |
| 247 | final int enabledDayRangeEnd; |
| 248 | if (mMaxDate.get(Calendar.MONTH) == month && mMaxDate.get(Calendar.YEAR) == year) { |
| 249 | enabledDayRangeEnd = mMaxDate.get(Calendar.DAY_OF_MONTH); |
| 250 | } else { |
| 251 | enabledDayRangeEnd = 31; |
| 252 | } |
| 253 | |
| 254 | v.setMonthParams(selectedDay, month, year, mFirstDayOfWeek, |
| 255 | enabledDayRangeStart, enabledDayRangeEnd); |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 256 | v.setPrevEnabled(position > 0); |
| 257 | v.setNextEnabled(position < mCount - 1); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 258 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 259 | final ViewHolder holder = new ViewHolder(position, itemView, v); |
| 260 | mItems.put(position, holder); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 261 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 262 | container.addView(itemView); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 263 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 264 | return holder; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | @Override |
| 268 | public void destroyItem(ViewGroup container, int position, Object object) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 269 | final ViewHolder holder = (ViewHolder) object; |
| 270 | container.removeView(holder.container); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 271 | |
| 272 | mItems.remove(position); |
| 273 | } |
| 274 | |
| 275 | @Override |
| 276 | public int getItemPosition(Object object) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 277 | final ViewHolder holder = (ViewHolder) object; |
| 278 | return holder.position; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | @Override |
| 282 | public CharSequence getPageTitle(int position) { |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 283 | final SimpleMonthView v = mItems.get(position).calendar; |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 284 | if (v != null) { |
| 285 | return v.getTitle(); |
| 286 | } |
| 287 | return null; |
| 288 | } |
| 289 | |
| 290 | private boolean isCalendarInRange(Calendar value) { |
| 291 | return value.compareTo(mMinDate) >= 0 && value.compareTo(mMaxDate) <= 0; |
| 292 | } |
| 293 | |
| 294 | private final OnDayClickListener mOnDayClickListener = new OnDayClickListener() { |
| 295 | @Override |
| 296 | public void onDayClick(SimpleMonthView view, Calendar day) { |
| 297 | if (day != null && isCalendarInRange(day)) { |
| 298 | setSelectedDay(day); |
| 299 | |
| 300 | if (mOnDaySelectedListener != null) { |
| 301 | mOnDaySelectedListener.onDaySelected(DayPickerAdapter.this, day); |
| 302 | } |
| 303 | } |
| 304 | } |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 305 | |
| 306 | @Override |
| 307 | public void onNavigationClick(SimpleMonthView view, int direction, boolean animate) { |
| 308 | if (mOnDaySelectedListener != null) { |
| 309 | mOnDaySelectedListener.onNavigationClick(DayPickerAdapter.this, direction, animate); |
| 310 | } |
| 311 | } |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 312 | }; |
| 313 | |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 314 | private static class ViewHolder { |
| 315 | public final int position; |
| 316 | public final View container; |
| 317 | public final SimpleMonthView calendar; |
| 318 | |
| 319 | public ViewHolder(int position, View container, SimpleMonthView calendar) { |
| 320 | this.position = position; |
| 321 | this.container = container; |
| 322 | this.calendar = calendar; |
| 323 | } |
| 324 | } |
| 325 | |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 326 | public interface OnDaySelectedListener { |
| 327 | public void onDaySelected(DayPickerAdapter view, Calendar day); |
Alan Viverette | 60b674e | 2015-03-25 13:00:42 -0700 | [diff] [blame] | 328 | public void onNavigationClick(DayPickerAdapter view, int direction, boolean animate); |
Alan Viverette | 0ef59ac | 2015-03-23 13:13:25 -0700 | [diff] [blame] | 329 | } |
| 330 | } |