[+] Progress bar row

Author: hykilpikonna

src/main/java/org/hydev/mcpm/client/interaction/ProgressRow.java

@@ -0,0 +1,50 @@
+package org.hydev.mcpm.client.interaction;
+
+import static java.lang.String.format;
+
+/**
+ * Row of a progress bar
+ *
+ * @author Azalea (https://github.com/hykilpikonna)
+ * @since 2022-10-30
+ */
+public class ProgressRow
+{
+    protected long total;
+    protected long completed;
+    protected String unit;
+
+    public ProgressRow(long total, String unit)
+    {
+        this.total = total;
+        this.completed = 0;
+        this.unit = unit;
+    }
+
+    public ProgressRow(long total)
+    {
+        this(total, "it");
+    }
+
+    /**
+     * Get formatted string of the current progress bar
+     *
+     * @param theme Progress bar theme
+     * @return Formatted string
+     */
+    public String fmt(ProgressBarTheme theme)
+    {
+        double p = 100d * completed / total;
+        var placeholder = "PLACEHOLDER_BAR";
+        var t = format("%s%s%s %.0f %d/%d%s", theme.prefix(), placeholder, theme.suffix(), p, completed, total, unit);
+
+        // Add progress bar length
+        var len = t.length() - placeholder.length();
+
+        // Calculate progress length
+        int pLen = (int) (completed / total * len);
+        var bar = theme.done().repeat(pLen / theme.doneLen()) + theme.ipr().repeat(pLen / theme.iprLen());
+
+        return t.replaceFirst(placeholder, bar);
+    }
+}