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author | Thialfihar <thi@thialfihar.org> | 2014-05-14 20:07:30 +0200 |
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committer | Thialfihar <thi@thialfihar.org> | 2014-05-16 11:38:43 +0200 |
commit | 69ce66be9429b3490511655c836f400cc30c4d4f (patch) | |
tree | ab1ceb1770581c6284d08d4f958562e56ee5a134 /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util | |
parent | ab81d8903a92e1f80105f223a727d75b94754769 (diff) | |
download | open-keychain-69ce66be9429b3490511655c836f400cc30c4d4f.tar.gz open-keychain-69ce66be9429b3490511655c836f400cc30c4d4f.tar.bz2 open-keychain-69ce66be9429b3490511655c836f400cc30c4d4f.zip |
Add highlighting to keyserver/keybase search
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/Highlighter.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/Highlighter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/Highlighter.java new file mode 100644 index 000000000..eeeacf465 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/Highlighter.java @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2014 Thialfihar <thi@thialfihar.org> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package org.sufficientlysecure.keychain.util; + +import android.content.Context; +import android.text.Spannable; +import android.text.style.ForegroundColorSpan; + +import org.sufficientlysecure.keychain.R; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class Highlighter { + private Context mContext; + private String mQuery; + + public Highlighter(Context context, String query) { + mContext = context; + mQuery = query; + } + + public Spannable highlight(String text) { + Spannable highlight = Spannable.Factory.getInstance().newSpannable(text); + + if (mQuery == null) { + return highlight; + } + + Pattern pattern = Pattern.compile("(?i)(" + mQuery.trim().replaceAll("\\s+", "|") + ")"); + Matcher matcher = pattern.matcher(text); + while (matcher.find()) { + highlight.setSpan( + new ForegroundColorSpan(mContext.getResources().getColor(R.color.emphasis)), + matcher.start(), + matcher.end(), + Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); + } + + return highlight; + } +} |