Initial commit

public/kirby/src/Panel/ChangesDialog.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Kirby\Panel;
+
+use Kirby\Cms\App;
+use Kirby\Cms\Find;
+use Kirby\Http\Uri;
+use Kirby\Toolkit\Escape;
+use Throwable;
+
+class ChangesDialog
+{
+	public function changes(array $ids = []): array
+	{
+		$kirby     = App::instance();
+		$multilang = $kirby->multilang();
+		$changes   = [];
+
+		foreach ($ids as $id) {
+			try {
+				// parse the given ID to extract
+				// the path and an optional query
+				$uri   = new Uri($id);
+				$path  = $uri->path()->toString();
+				$query = $uri->query();
+				$model = Find::parent($path);
+				$item  = $model->panel()->dropdownOption();
+
+				// add the language to each option, if it is included in the query
+				// of the given ID and the language actually exists
+				if (
+					$multilang &&
+					$query->language &&
+					$language = $kirby->language($query->language)
+				) {
+					$item['text'] .= ' (' . $language->code() . ')';
+					$item['link'] .= '?language=' . $language->code();
+				}
+
+				$item['text'] = Escape::html($item['text']);
+
+				$changes[] = $item;
+			} catch (Throwable) {
+				continue;
+			}
+		}
+
+		return $changes;
+	}
+
+	public function load(): array
+	{
+		return $this->state();
+	}
+
+	public function state(bool $loading = true, array $changes = [])
+	{
+		return [
+			'component' => 'k-changes-dialog',
+			'props'     => [
+				'changes' => $changes,
+				'loading' => $loading
+			]
+		];
+	}
+
+	public function submit(array $ids): array
+	{
+		return $this->state(false, $this->changes($ids));
+	}
+}