Backend classes for core view buttons

src/Panel/Ui/Buttons/LanguagesButton.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Cms\App;
+use Kirby\Cms\Language;
+use Kirby\Toolkit\Str;
+
+/**
+ * View button to switch content translation languages
+ *
+ * @package   Kirby Panel
+ * @author    Nico Hoffmann <[email protected]>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://getkirby.com/license
+ * @since     5.0.0
+ * @internal
+ */
+class LanguagesButton extends ViewButton
+{
+	protected App $kirby;
+
+	public function __construct(
+	) {
+		$this->kirby = App::instance();
+
+		parent::__construct(
+			component: 'k-view-languages-button',
+			class: 'k-view-languages-button',
+			icon: 'translate',
+			options: $this->options(),
+			responsive: 'text',
+			text: Str::upper($this->kirby->language()?->code())
+		);
+	}
+
+	protected function option(Language $language): array
+	{
+		return [
+			'text'    => $language->name(),
+			'code'    => $language->code(),
+			'current' => $language->code() === $this->kirby->language()->code(),
+		];
+	}
+
+	protected function options(): array
+	{
+		$languages = $this->kirby->languages();
+		$options   = [];
+
+		if ($this->kirby->multilang() === false) {
+			return $options;
+		}
+
+		// add the primary/default language first
+		if ($default = $languages->default()) {
+			$options[] = $this->option($default);
+			$options[] = '-';
+			$languages = $languages->not($default);
+		}
+
+		// add all secondary languages after the separator
+		foreach ($languages as $language) {
+			$options[] = $this->option($language);
+		}
+
+		return $options;
+	}
+
+	public function render(): array|null
+	{
+		if ($this->kirby->multilang() === false) {
+			return null;
+		}
+
+		return parent::render();
+	}
+}

src/Panel/Ui/Buttons/PageStatusButton.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Cms\Page;
+use Kirby\Toolkit\I18n;
+
+/**
+ * Status view button for pages
+ *
+ * @package   Kirby Panel
+ * @author    Nico Hoffmann <[email protected]>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://getkirby.com/license
+ * @since     5.0.0
+ * @internal
+ */
+class PageStatusButton extends ViewButton
+{
+	public function __construct(
+		Page $page
+	) {
+		$status    = $page->status();
+		$blueprint = $page->blueprint()->status()[$status] ?? null;
+		$disabled  = $page->permissions()->cannot('changeStatus');
+		$title     = I18n::translate('page.status') . ': ' . I18n::translate('page.status.' . $status);
+
+		if ($disabled === true) {
+			$title .= ' (' . I18n::translate('disabled') . ')';
+		}
+
+		parent::__construct(
+			class: 'k-view-status-button k-page-status-button',
+			dialog: $page->panel()->url(true) . '/changeStatus',
+			disabled: $disabled,
+			icon: 'status-' . $status,
+			style: '--icon-size: 15px',
+			text: $blueprint['label'] ?? $status,
+			title: $title,
+			theme: match($status) {
+				'draft'    => 'negative-icon',
+				'unlisted' => 'info-icon',
+				'listed'   => 'positive-icon'
+			}
+		);
+	}
+}

src/Panel/Ui/Buttons/PreviewButton.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Toolkit\I18n;
+
+/**
+ * Preview view button
+ *
+ * @package   Kirby Panel
+ * @author    Nico Hoffmann <[email protected]>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://getkirby.com/license
+ * @since     5.0.0
+ * @internal
+ */
+class PreviewButton extends ViewButton
+{
+	public function __construct(
+		public string|null $link
+	) {
+		parent::__construct(
+			class: 'k-view-preview-button',
+			icon: 'open',
+			link: $link,
+			target: '_blank',
+			title: I18n::translate('open')
+		);
+	}
+}

src/Panel/Ui/Buttons/SettingsButton.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Cms\ModelWithContent;
+use Kirby\Toolkit\I18n;
+
+/**
+ * Settings view button for models
+ *
+ * @package   Kirby Panel
+ * @author    Nico Hoffmann <[email protected]>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://getkirby.com/license
+ * @since     5.0.0
+ * @internal
+ */
+class SettingsButton extends ViewButton
+{
+	public function __construct(
+		ModelWithContent $model
+	) {
+		parent::__construct(
+			component: 'k-view-settings-button',
+			class: 'k-view-settings-button',
+			icon: 'cog',
+			options: $model->panel()->url(true),
+			title: I18n::translate('settings'),
+		);
+	}
+}

tests/Panel/Ui/Buttons/LanguagesButtonTest.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Panel\Areas\AreaTestCase;
+
+/**
+ * @coversDefaultClass \Kirby\Panel\Ui\Buttons\LanguagesButton
+ * @covers ::__construct
+ */
+class LanguagesButtonTest extends AreaTestCase
+{
+	/**
+	 * @covers ::render
+	 */
+	public function testSingleLang()
+	{
+		$button = new LanguagesButton();
+		$this->assertNull($button->render());
+	}
+
+	/**
+	 * @covers ::option
+	 * @covers ::options
+	 * @covers ::props
+	 * @covers ::render
+	 */
+	public function tesMultiLang()
+	{
+		$this->enableMultilang();
+		$this->installLanguages();
+
+		$button = new LanguagesButton();
+		$this->assertSame('k-view-languages-button', $button->component);
+		$this->assertSame('k-view-languages-button', $button->class);
+		$this->assertSame('translate', $button->icon);
+		$this->assertSame([
+			[
+				'text'    => 'English',
+				'code'    => 'en',
+				'current' => true
+			],
+			'-',
+			[
+				'text'    => 'Deutsch',
+				'code'    => 'de',
+				'current' => false
+			]
+		], $button->options);
+		$this->assertSame('text', $button->responsive);
+		$this->assertSame('EN', $button->text);
+
+		$render = $button->render();
+		$this->assertIsArray($render);
+		$this->assertSame('k-view-languages-button', $render['component']);
+		$this->assertIsArray($render['props']);
+		$this->assertIsArray($render['props']['options']);
+	}
+}

tests/Panel/Ui/Buttons/PageStatusButtonTest.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Cms\App;
+use Kirby\Cms\Page;
+use Kirby\TestCase;
+
+/**
+ * @coversDefaultClass \Kirby\Panel\Ui\Buttons\PageStatusButton
+ */
+class PageStatusButtonTest extends TestCase
+{
+	/**
+	 * @covers ::__construct
+	 */
+	public function testButtonDraftDisabled()
+	{
+
+		$page   = new Page(['slug' => 'test', 'isDraft' => true]);
+		$button = new PageStatusButton($page);
+
+		$this->assertSame('k-view-button', $button->component);
+		$this->assertSame('k-view-status-button k-page-status-button', $button->class);
+		$this->assertSame('/pages/test/changeStatus', $button->dialog);
+		$this->assertTrue($button->disabled);
+		$this->assertSame('status-draft', $button->icon);
+		$this->assertTrue($button->responsive);
+		$this->assertSame('Draft', $button->text);
+		$this->assertSame('Status: Draft (Disabled)', $button->title);
+		$this->assertSame('negative-icon', $button->theme);
+	}
+
+	/**
+	 * @covers ::__construct
+	 */
+	public function testButtonUnlisted()
+	{
+		App::instance()->impersonate('kirby');
+		$page   = new Page(['slug' => 'test']);
+		$button = new PageStatusButton($page);
+
+		$this->assertFalse($button->disabled);
+		$this->assertSame('status-unlisted', $button->icon);
+		$this->assertTrue($button->responsive);
+		$this->assertSame('Unlisted', $button->text);
+		$this->assertSame('Status: Unlisted', $button->title);
+		$this->assertSame('info-icon', $button->theme);
+	}
+}

tests/Panel/Ui/Buttons/PreviewButtonTest.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\TestCase;
+
+/**
+ * @coversDefaultClass \Kirby\Panel\Ui\Buttons\PreviewButton
+ */
+class PreviewButtonTest extends TestCase
+{
+	/**
+	 * @covers ::__construct
+	 */
+	public function testButton()
+	{
+		$button = new PreviewButton(link: 'https://getkirby.com');
+
+		$this->assertSame('k-view-button', $button->component);
+		$this->assertSame('k-view-preview-button', $button->class);
+		$this->assertSame('open', $button->icon);
+		$this->assertSame('https://getkirby.com', $button->link);
+		$this->assertSame('_blank', $button->target);
+		$this->assertSame('Open', $button->title);
+	}
+
+}

tests/Panel/Ui/Buttons/SettingsButtonTest.php

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+<?php
+
+namespace Kirby\Panel\Ui\Buttons;
+
+use Kirby\Cms\Page;
+use Kirby\TestCase;
+
+/**
+ * @coversDefaultClass \Kirby\Panel\Ui\Buttons\SettingsButton
+ */
+class SettingsButtonTest extends TestCase
+{
+	/**
+	 * @covers ::__construct
+	 */
+	public function testButton()
+	{
+		$page   = new Page(['slug' => 'test']);
+		$button = new SettingsButton(model: $page);
+
+		$this->assertSame('k-view-settings-button', $button->component);
+		$this->assertSame('k-view-settings-button', $button->class);
+		$this->assertSame('cog', $button->icon);
+		$this->assertSame('/pages/test', $button->options);
+		$this->assertSame('Settings', $button->title);
+	}
+}