19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text.method; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 193484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournaderimport android.annotation.NonNull; 203484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournaderimport android.annotation.Nullable; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.InputType; 224037d51b132a85dcfe37a95f9d2d91ad23d162fdAurimas Liutikasimport android.view.KeyEvent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 243484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournaderimport com.android.internal.annotations.GuardedBy; 25889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournaderimport com.android.internal.util.ArrayUtils; 263484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader 273484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournaderimport java.util.HashMap; 283484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournaderimport java.util.LinkedHashSet; 293484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournaderimport java.util.Locale; 303484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For entering dates in a text field. 33405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * <p></p> 34405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * As for all implementations of {@link KeyListener}, this class is only concerned 35405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * with hardware keyboards. Software input methods have no obligation to trigger 36405bc51c5dc73846a4abdc325cd234eb2d37469fJean Chalard * the methods in this class. 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class DateKeyListener extends NumberKeyListener 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInputType() { 41889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader if (mNeedsAdvancedInput) { 42889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader return InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_NORMAL; 43889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader } else { 44889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader return InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE; 45889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader } 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 474037d51b132a85dcfe37a95f9d2d91ad23d162fdAurimas Liutikas 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 493484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @NonNull 503484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader protected char[] getAcceptedChars() { 513484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader return mCharacters; 523484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader } 533484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader 543484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader /** 553484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * @deprecated Use {@link #DateKeyListener(Locale)} instead. 563484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader */ 573484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @Deprecated 583484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader public DateKeyListener() { 593484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader this(null); 603484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader } 613484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader 623484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader private static final String SYMBOLS_TO_IGNORE = "yMLd"; 633484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader private static final String[] SKELETONS = {"yMd", "yM", "Md"}; 643484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader 653484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader public DateKeyListener(@Nullable Locale locale) { 663484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader final LinkedHashSet<Character> chars = new LinkedHashSet<>(); 673484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader // First add the digits, then add all the non-pattern characters seen in the pattern for 683484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader // "yMd", which is supposed to only have numerical fields. 693484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader final boolean success = NumberKeyListener.addDigits(chars, locale) 703484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader && NumberKeyListener.addFormatCharsFromSkeletons( 713484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader chars, locale, SKELETONS, SYMBOLS_TO_IGNORE); 72889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader if (success) { 73889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader mCharacters = NumberKeyListener.collectionToArray(chars); 74889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader mNeedsAdvancedInput = !ArrayUtils.containsAll(CHARACTERS, mCharacters); 75889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader } else { 76889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader mCharacters = CHARACTERS; 77889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader mNeedsAdvancedInput = false; 78889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader } 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 813484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader /** 823484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * @deprecated Use {@link #getInstance(Locale)} instead. 833484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader */ 843484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @Deprecated 853484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @NonNull 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static DateKeyListener getInstance() { 873484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader return getInstance(null); 883484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 903484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader /** 913484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * Returns an instance of DateKeyListener appropriate for the given locale. 923484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader */ 933484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @NonNull 943484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader public static DateKeyListener getInstance(@Nullable Locale locale) { 953484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader DateKeyListener instance; 963484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader synchronized (sLock) { 973484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader instance = sInstanceCache.get(locale); 983484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader if (instance == null) { 993484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader instance = new DateKeyListener(locale); 1003484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader sInstanceCache.put(locale, instance); 1013484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader } 1023484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader } 1033484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader return instance; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1073484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * This field used to list the characters that were used. But is now a fixed data 1083484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * field that is the list of code units used for the deprecated case where the class 1093484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * is instantiated with null or no input parameter. 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see KeyEvent#getMatch 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getAcceptedChars 1133484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * 1143484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader * @deprecated Use {@link #getAcceptedChars()} instead. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1163484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @Deprecated 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final char[] CHARACTERS = new char[] { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project '/', '-', '.' 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1223484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader private final char[] mCharacters; 123889c6503a1764d6dbc1f7f4e23e3b392daab330bRoozbeh Pournader private final boolean mNeedsAdvancedInput; 1243484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader 1253484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader private static final Object sLock = new Object(); 1263484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader @GuardedBy("sLock") 1273484ba8fdc8f5c91937af23e6d59025081c02367Roozbeh Pournader private static final HashMap<Locale, DateKeyListener> sInstanceCache = new HashMap<>(); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 129