Initial commit

public/kirby/src/Cms/FilePicker.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Kirby\Cms;
+
+use Kirby\Exception\InvalidArgumentException;
+
+/**
+ * The FilePicker class helps to
+ * fetch the right files for the API calls
+ * for the file picker component in the panel.
+ *
+ * @package   Kirby Cms
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://getkirby.com/license
+ */
+class FilePicker extends Picker
+{
+	/**
+	 * Extends the basic defaults
+	 */
+	public function defaults(): array
+	{
+		$defaults = parent::defaults();
+		$defaults['text'] = '{{ file.filename }}';
+
+		return $defaults;
+	}
+
+	/**
+	 * Search all files for the picker
+	 *
+	 * @throws \Kirby\Exception\InvalidArgumentException
+	 */
+	public function items(): Files|null
+	{
+		$model = $this->options['model'];
+
+		// find the right default query
+		$query = match (true) {
+			empty($this->options['query']) === false
+				=> $this->options['query'],
+			$model instanceof File
+				=> 'file.siblings',
+			default
+			=> $model::CLASS_ALIAS . '.files'
+		};
+
+		// fetch all files for the picker
+		$files = $model->query($query);
+
+		// help mitigate some typical query usage issues
+		// by converting site and page objects to proper
+		// pages by returning their children
+		$files = match (true) {
+			$files instanceof Site,
+			$files instanceof Page,
+			$files instanceof User  => $files->files(),
+			$files instanceof Files => $files,
+
+			default => throw new InvalidArgumentException('Your query must return a set of files')
+		};
+
+		// filter protected and hidden pages
+		$files = $files->filter('isListable', true);
+
+		// search
+		$files = $this->search($files);
+
+		// paginate
+		return $this->paginate($files);
+	}
+}