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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
commit | d83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /core/java/android/text/InputFilter.java | |
parent | 076357b8567458d4b6dfdcf839ef751634cd2bfb (diff) | |
download | frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.zip frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.gz frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'core/java/android/text/InputFilter.java')
-rw-r--r-- | core/java/android/text/InputFilter.java | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/core/java/android/text/InputFilter.java b/core/java/android/text/InputFilter.java deleted file mode 100644 index 2f55677..0000000 --- a/core/java/android/text/InputFilter.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * 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; - -/** - * InputFilters can be attached to {@link Editable}s to constrain the - * changes that can be made to them. - */ -public interface InputFilter -{ - /** - * This method is called when the buffer is going to replace the - * range <code>dstart … dend</code> of <code>dest</code> - * with the new text from the range <code>start … end</code> - * of <code>source</code>. Return the CharSequence that you would - * like to have placed there instead, including an empty string - * if appropriate, or <code>null</code> to accept the original - * replacement. Be careful to not to reject 0-length replacements, - * as this is what happens when you delete text. Also beware that - * you should not attempt to make any changes to <code>dest</code> - * from this method; you may only examine it for context. - * - * Note: If <var>source</var> is an instance of {@link Spanned} or - * {@link Spannable}, the span objects in the <var>source</var> should be - * copied into the filtered result (i.e. the non-null return value). - * {@link TextUtils#copySpansFrom} can be used for convenience. - */ - public CharSequence filter(CharSequence source, int start, int end, - Spanned dest, int dstart, int dend); - - /** - * This filter will capitalize all the lower case letters that are added - * through edits. - */ - public static class AllCaps implements InputFilter { - public CharSequence filter(CharSequence source, int start, int end, - Spanned dest, int dstart, int dend) { - for (int i = start; i < end; i++) { - if (Character.isLowerCase(source.charAt(i))) { - char[] v = new char[end - start]; - TextUtils.getChars(source, start, end, v, 0); - String s = new String(v).toUpperCase(); - - if (source instanceof Spanned) { - SpannableString sp = new SpannableString(s); - TextUtils.copySpansFrom((Spanned) source, - start, end, null, sp, 0); - return sp; - } else { - return s; - } - } - } - - return null; // keep original - } - } - - /** - * This filter will constrain edits not to make the length of the text - * greater than the specified length. - */ - public static class LengthFilter implements InputFilter { - public LengthFilter(int max) { - mMax = max; - } - - public CharSequence filter(CharSequence source, int start, int end, - Spanned dest, int dstart, int dend) { - int keep = mMax - (dest.length() - (dend - dstart)); - - if (keep <= 0) { - return ""; - } else if (keep >= end - start) { - return null; // keep original - } else { - return source.subSequence(start, start + keep); - } - } - - private int mMax; - } -} |