Add tabs

Author: ProjektGopher

src/Themes/Default/Concerns/DrawsTabs.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Laravel\Prompts\Themes\Default\Concerns;
+
+use Illuminate\Support\Collection;
+
+trait DrawsTabs
+{
+    use InteractsWithStrings;
+
+    /**
+     * Render a row of tabs.
+     *
+     * @param Collection<int, string>  $tabs
+     */
+    protected function tabs(
+        Collection $tabs,
+        int $selected,
+        int $width,
+        string $color = 'cyan',
+    ): string {
+        $strippedWidth = fn (string $value): int => mb_strwidth($this->stripEscapeSequences($value));
+
+        $top_row = $tabs->map(fn($value, $key) => $key === $selected
+            ? '╭' . str_repeat('─', $strippedWidth($value) + 2) . '╮'
+            : str_repeat(' ', $strippedWidth($value) + 4)
+        )->implode('');
+
+        $middle_row = $tabs->map(fn($value, $key) => $key === $selected
+            ? "{$this->dim('│')} {$this->{$color}($value)} {$this->dim('│')}"
+            : "  {$value}  "
+        )->implode('');
+
+        $bottom_row = $tabs->map(fn($value, $key) => $key === $selected
+            ? '┴' . str_repeat('─', $strippedWidth($value) + 2) . '┴'
+            : str_repeat('─', $strippedWidth($value) + 4)
+        )->implode('');
+        $bottom_row = $this->pad($bottom_row, $width, '─');
+
+        // automatic horizontal tab scrolling
+        if ($strippedWidth($top_row) > $width) {
+            $chars_to_kill = $strippedWidth($top_row) - $width;
+            $percent = $selected / ($tabs->count() - 1);
+            $left = (int) round($percent * $chars_to_kill);
+            foreach ([&$top_row, &$middle_row, &$bottom_row] as &$row) {
+                $row = mb_substr($row, $left, mb_strwidth($row) - $chars_to_kill);
+            }
+        }
+
+        return collect([$this->dim($top_row), $middle_row, $this->dim($bottom_row)])->implode(PHP_EOL);
+    }
+}