fedilab-Android-App/app/src/main/java/app/fedilab/android/mastodon/helper/ComposeHelper.java

99 lines
3.6 KiB
Java

package app.fedilab.android.mastodon.helper;
/* Copyright 2023 Thomas Schneider
*
* This file is a part of Fedilab
*
* 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.
*
* Fedilab 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 Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import static app.fedilab.android.mastodon.helper.Helper.mentionLongPattern;
import static app.fedilab.android.mastodon.helper.Helper.mentionPattern;
import java.util.ArrayList;
import java.util.regex.Matcher;
public class ComposeHelper {
/**
* Allows to split the toot by dot "." for sentences - adds number at the end automatically
*
* @param content String initial content
* @param maxChars int the max chars per toot
* @return ArrayList<String> split toot
*/
public static ArrayList<String> splitToots(String content, int maxChars) {
String[] splitContent = content.split("\\s");
ArrayList<String> mentions = new ArrayList<>();
int mentionLength = 0;
StringBuilder mentionString = new StringBuilder();
Matcher matcher = mentionLongPattern.matcher(content);
while (matcher.find()) {
String mentionLong = matcher.group(1);
if (!mentions.contains(mentionLong)) {
mentions.add(mentionLong);
}
}
matcher = mentionPattern.matcher(content);
while (matcher.find()) {
String mention = matcher.group(1);
if (!mentions.contains(mention)) {
mentions.add(mention);
}
}
for (String mention : mentions) {
mentionString.append(mention).append(" ");
}
mentionLength = mentionString.length() + 1;
int maxCharsPerMessage = maxChars - mentionLength;
int totalCurrent = 0;
ArrayList<String> reply = new ArrayList<>();
int index = 0;
for (String s : splitContent) {
if ((totalCurrent + s.length() + 1) < maxCharsPerMessage) {
totalCurrent += (s.length() + 1);
} else {
if (content.length() > totalCurrent && totalCurrent > 0) {
String tempContent = content.substring(0, (totalCurrent));
content = content.substring(totalCurrent);
reply.add(index, tempContent);
index++;
totalCurrent = s.length() + 1;
}
}
}
if (totalCurrent > 0) {
reply.add(index, content);
}
if (reply.size() > 1) {
int i = 0;
for (String r : reply) {
if (mentions.size() > 0) {
String tmpMention = mentionString.toString();
for (String mention : mentions) {
if (r.contains(mention)) {
tmpMention = tmpMention.replace(mention, "");
}
}
reply.set(i, r + " " + tmpMention);
} else {
reply.set(i, r);
}
i++;
}
}
return reply;
}
}