66 lines
2.1 KiB
Java
66 lines
2.1 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.util;
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import android.text.SpannableString;
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import android.text.Spanned;
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import android.text.TextUtils;
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import android.widget.MultiAutoCompleteTextView;
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public class MentionTokenizer implements MultiAutoCompleteTextView.Tokenizer {
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@Override
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public int findTokenStart(CharSequence text, int cursor) {
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int i = cursor;
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while (i > 0 && text.charAt(i - 1) != '@') {
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i--;
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}
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if (i < 1 || text.charAt(i - 1) != '@') {
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return cursor;
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}
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return i;
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}
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@Override
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public int findTokenEnd(CharSequence text, int cursor) {
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int i = cursor;
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int length = text.length();
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while (i < length) {
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if (text.charAt(i) == ' ') {
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return i;
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} else {
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i++;
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}
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}
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return length;
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}
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@Override
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public CharSequence terminateToken(CharSequence text) {
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int i = text.length();
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while (i > 0 && text.charAt(i - 1) == ' ') {
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i--;
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}
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if (i > 0 && text.charAt(i - 1) == ' ') {
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return text;
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} else if (text instanceof Spanned) {
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SpannableString s = new SpannableString(text + " ");
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TextUtils.copySpansFrom((Spanned) text, 0, text.length(), Object.class, s, 0);
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return s;
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} else {
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return text + " ";
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}
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}
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}
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