| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.text.method; |
| |
| /** |
| * This transformation method causes any newline characters (\n) to be |
| * displayed as spaces instead of causing line breaks, and causes |
| * carriage return characters (\r) to have no appearance. |
| */ |
| public class SingleLineTransformationMethod |
| extends ReplacementTransformationMethod { |
| private static char[] ORIGINAL = new char[] { '\n', '\r' }; |
| private static char[] REPLACEMENT = new char[] { ' ', '\uFEFF' }; |
| |
| /** |
| * The characters to be replaced are \n and \r. |
| */ |
| protected char[] getOriginal() { |
| return ORIGINAL; |
| } |
| |
| /** |
| * The character \n is replaced with is space; |
| * the character \r is replaced with is FEFF (zero width space). |
| */ |
| protected char[] getReplacement() { |
| return REPLACEMENT; |
| } |
| |
| public static SingleLineTransformationMethod getInstance() { |
| if (sInstance != null) |
| return sInstance; |
| |
| sInstance = new SingleLineTransformationMethod(); |
| return sInstance; |
| } |
| |
| private static SingleLineTransformationMethod sInstance; |
| } |