1 files changed, 98 insertions, 0 deletions
diff --git a/app/src/main/java/app/fedilab/android/mastodon/helper/ComposeHelper.java b/app/src/main/java/app/fedilab/android/mastodon/helper/ComposeHelper.java
new file mode 100644
index 000000000..faec45de5
--- /dev/null
+++ b/app/src/main/java/app/fedilab/android/mastodon/helper/ComposeHelper.java
@@ -0,0 +1,98 @@
+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;
+    }
+}