Random chat formatter work

Plan/common/src/main/java/com/djrapitops/plan/commands/subcommands/DevCommand.java

@@ -19,12 +19,15 @@ package com.djrapitops.plan.commands.subcommands;
 import com.djrapitops.plan.settings.locale.Locale;
 import com.djrapitops.plan.settings.locale.lang.CmdHelpLang;
 import com.djrapitops.plan.settings.locale.lang.CommandLang;
+import com.djrapitops.plan.utilities.chat.ChatFormatter;
 import com.djrapitops.plugin.command.CommandNode;
 import com.djrapitops.plugin.command.CommandType;
 import com.djrapitops.plugin.command.Sender;
 import com.djrapitops.plugin.utilities.Verify;
+import org.apache.commons.text.TextStringBuilder;
 
 import javax.inject.Inject;
+import java.lang.reflect.Method;
 import java.util.Arrays;
 
 /**
@@ -51,6 +54,18 @@ public class DevCommand extends CommandNode {
         Verify.isTrue(args.length >= 1,
                 () -> new IllegalArgumentException(locale.getString(CommandLang.FAIL_REQ_ONE_ARG, Arrays.toString(this.getArguments()))));
 
-        sender.sendMessage("No features currently implemented in the command.");
+        Object actual = sender.getSender();
+
+        try {
+            Method method = actual.getClass().getMethod("sendMessage", String.class);
+            int indent = 8;
+            String msg = new TextStringBuilder().appendWithSeparators(args, " ").toString();
+            method.invoke(actual, "With indent: " + indent);
+            method.invoke(actual, ChatFormatter.indent(indent, msg));
+            method.invoke(actual, "Centered:");
+            method.invoke(actual, ChatFormatter.center(msg));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 }

Plan/common/src/main/java/com/djrapitops/plan/utilities/chat/ChatFormatter.java

@@ -0,0 +1,76 @@
+package com.djrapitops.plan.utilities.chat;
+
+import org.apache.commons.lang3.StringUtils;
+
+/**
+ * Formats chat messages in different ways.
+ * <p>
+ * Original code: https://hastebin.com/uziyajirag.avrasm
+ */
+public class ChatFormatter {
+    private final static int CENTER_PX = 154;
+    private final static int MAX_PX = 250;
+
+    public static String indent(int spaces, String message) {
+        StringBuilder returnMessage = new StringBuilder();
+
+        String padding = StringUtils.leftPad("", spaces);
+        int paddingWidth = getPxMessageWidth(padding);
+        String[] parts = StringUtils.split(message, ' ');
+
+        int lineWidth = paddingWidth;
+        StringBuilder line = new StringBuilder(padding);
+
+        for (String part : parts) {
+            int width = getPxMessageWidth(part) + DefaultFontInfo.SPACE.getLength() + 1;
+            line.append(part).append(' ');
+            lineWidth += width;
+            if (lineWidth > MAX_PX) {
+                String finishedLine = StringUtils.chop(line.toString());
+                returnMessage.append(finishedLine).append("\n");
+                lineWidth = paddingWidth;
+                line = new StringBuilder(padding);
+            }
+        }
+        returnMessage.append(line.toString().trim());
+        return returnMessage.toString();
+    }
+
+    public static String center(String message) {
+        if (message == null) return null;
+        if (message.isEmpty()) return "";
+
+        int messagePxWidth = getPxMessageWidth(message);
+
+        int halfOfWidth = messagePxWidth / 2;
+        int toCompensate = CENTER_PX - halfOfWidth;
+        int spaceLength = DefaultFontInfo.SPACE.getLength() + 1;
+        int compensated = 0;
+        StringBuilder sb = new StringBuilder();
+        while (compensated < toCompensate) {
+            sb.append(" ");
+            compensated += spaceLength;
+        }
+        return sb.toString() + message;
+    }
+
+    public static int getPxMessageWidth(String message) {
+        int messagePxSize = 0;
+        boolean wasColorChar = false;
+        boolean isBold = false;
+
+        for (char c : message.toCharArray()) {
+            if (c == '\u00a7') { // §
+                wasColorChar = true;
+            } else if (wasColorChar) {
+                wasColorChar = false;
+                isBold = c == 'l' || c == 'L';
+            } else {
+                DefaultFontInfo dFI = DefaultFontInfo.getDefaultFontInfo(c);
+                messagePxSize += isBold ? dFI.getBoldLength() : dFI.getLength();
+                messagePxSize++;
+            }
+        }
+        return messagePxSize;
+    }
+}

Plan/common/src/main/java/com/djrapitops/plan/utilities/chat/DefaultFontInfo.java

@@ -0,0 +1,134 @@
+package com.djrapitops.plan.utilities.chat;
+
+/**
+ * Contains width of characters in the chat with default font.
+ * <p>
+ * Original code form https://www.spigotmc.org/threads/free-code-sending-perfectly-centered-chat-message.95872/page-2
+ */
+public enum DefaultFontInfo {
+
+    A('A', 5),
+    a('a', 5),
+    B('B', 5),
+    b('b', 5),
+    C('C', 5),
+    c('c', 5),
+    D('D', 5),
+    d('d', 5),
+    E('E', 5),
+    e('e', 5),
+    F('F', 5),
+    f('f', 4),
+    G('G', 5),
+    g('g', 5),
+    H('H', 5),
+    h('h', 5),
+    I('I', 3),
+    i('i', 1),
+    J('J', 5),
+    j('j', 5),
+    K('K', 5),
+    k('k', 4),
+    L('L', 5),
+    l('l', 1),
+    M('M', 5),
+    m('m', 5),
+    N('N', 5),
+    n('n', 5),
+    O('O', 5),
+    o('o', 5),
+    P('P', 5),
+    p('p', 5),
+    Q('Q', 5),
+    q('q', 5),
+    R('R', 5),
+    r('r', 5),
+    S('S', 5),
+    s('s', 5),
+    T('T', 5),
+    t('t', 4),
+    U('U', 5),
+    u('u', 5),
+    V('V', 5),
+    v('v', 5),
+    W('W', 5),
+    w('w', 5),
+    X('X', 5),
+    x('x', 5),
+    Y('Y', 5),
+    y('y', 5),
+    Z('Z', 5),
+    z('z', 5),
+    NUM_1('1', 5),
+    NUM_2('2', 5),
+    NUM_3('3', 5),
+    NUM_4('4', 5),
+    NUM_5('5', 5),
+    NUM_6('6', 5),
+    NUM_7('7', 5),
+    NUM_8('8', 5),
+    NUM_9('9', 5),
+    NUM_0('0', 5),
+    EXCLAMATION_POINT('!', 1),
+    AT_SYMBOL('@', 6),
+    NUM_SIGN('#', 5),
+    DOLLAR_SIGN('$', 5),
+    PERCENT('%', 5),
+    UP_ARROW('^', 5),
+    AMPERSAND('&', 5),
+    ASTERISK('*', 5),
+    LEFT_PARENTHESIS('(', 4),
+    RIGHT_PERENTHESIS(')', 4),
+    MINUS('-', 5),
+    UNDERSCORE('_', 5),
+    PLUS_SIGN('+', 5),
+    EQUALS_SIGN('=', 5),
+    LEFT_CURL_BRACE('{', 4),
+    RIGHT_CURL_BRACE('}', 4),
+    LEFT_BRACKET('[', 3),
+    RIGHT_BRACKET(']', 3),
+    COLON(':', 1),
+    SEMI_COLON(';', 1),
+    DOUBLE_QUOTE('"', 3),
+    SINGLE_QUOTE('\'', 1),
+    LEFT_ARROW('<', 4),
+    RIGHT_ARROW('>', 4),
+    QUESTION_MARK('?', 5),
+    SLASH('/', 5),
+    BACK_SLASH('\\', 5),
+    LINE('|', 1),
+    TILDE('~', 5),
+    TICK('`', 2),
+    PERIOD('.', 1),
+    COMMA(',', 1),
+    SPACE(' ', 3),
+    DEFAULT('a', 4);
+
+    private char character;
+    private int length;
+
+    DefaultFontInfo(char character, int length) {
+        this.character = character;
+        this.length = length;
+    }
+
+    public static DefaultFontInfo getDefaultFontInfo(char c) {
+        for (DefaultFontInfo dFI : DefaultFontInfo.values()) {
+            if (dFI.getCharacter() == c) return dFI;
+        }
+        return DefaultFontInfo.DEFAULT;
+    }
+
+    public char getCharacter() {
+        return this.character;
+    }
+
+    public int getLength() {
+        return this.length;
+    }
+
+    public int getBoldLength() {
+        if (this == DefaultFontInfo.SPACE) return this.getLength();
+        return this.length + 1;
+    }
+}