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Title Object type File name Summary
DisplayPluginInterface::preview function core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php Renders the display for the purposes of a live preview.
DisplayTest::preview function core/modules/views/tests/modules/views_test_data/src/Plugin/views/display/DisplayTest.php Renders the display for the purposes of a live preview.
EntityReferenceWidgetTest::testWidgetPreview function core/modules/media_library/tests/src/FunctionalJavascript/EntityReferenceWidgetTest.php Tests the preview displayed by the field widget.
ExtraFieldBlock::getPreviewFallbackString function core/modules/layout_builder/src/Plugin/Block/ExtraFieldBlock.php
Feed::preview function core/modules/views/src/Plugin/views/display/Feed.php Renders the display for the purposes of a live preview.
FieldBlock::getPreviewFallbackString function core/modules/layout_builder/src/Plugin/Block/FieldBlock.php
hook_views_preview_info_alter function core/modules/views/views.api.php Alter the view preview information.
IconDefinitionTest::providerGetPreview function core/tests/Drupal/Tests/Core/Theme/Icon/IconDefinitionTest.php Data provider for ::testGetPreview().
image-preview.css file core/themes/claro/css/components/image-preview.css Image preview component.
image-preview.pcss.css file core/themes/claro/css/components/image-preview.pcss.css Image preview component.
image-style-preview.html.twig file core/modules/image/templates/image-style-preview.html.twig Default theme implementation to display a preview of an image style.
image-style-preview.html.twig file core/themes/stable9/templates/admin/image-style-preview.html.twig Theme override to display a preview of an image style.
ImageAdminStylesTest::testPreviewImageShowInPrivateScheme function core/modules/image/tests/src/Functional/ImageAdminStylesTest.php Tests the display of preview images using a private scheme.
ImageFieldTestBase::previewNodeImage function core/modules/image/tests/src/Functional/ImageFieldTestBase.php Preview an image in a node.
ImageThemeHooks::preprocessImageStylePreview function core/modules/image/src/Hook/ImageThemeHooks.php Prepares variables for image style preview templates.
LayoutBuilderBlocksTest::testPreviewAwarePlugins function core/modules/layout_builder/tests/src/Functional/LayoutBuilderBlocksTest.php Tests preview-aware layout & block plugins.
LayoutBuilderTest::testPreviewAwareTemplates function core/modules/layout_builder/tests/src/Functional/LayoutBuilderTest.php Tests preview-aware templates.
LayoutDefault::$inPreview property core/lib/Drupal/Core/Layout/LayoutDefault.php Whether the plugin is being rendered in preview mode.
LayoutDefault::setInPreview function core/lib/Drupal/Core/Layout/LayoutDefault.php Set preview mode for the plugin.
LayoutPreviewAccessAllowed class core/modules/layout_builder/src/Access/LayoutPreviewAccessAllowed.php Accessible class to allow access for inline blocks in the Layout Builder.
LayoutPreviewAccessAllowed.php file core/modules/layout_builder/src/Access/LayoutPreviewAccessAllowed.php
LayoutPreviewAccessAllowed::access function core/modules/layout_builder/src/Access/LayoutPreviewAccessAllowed.php Checks data value access.
MediaFilterController::preview function core/modules/media/src/Controller/MediaFilterController.php Returns a HTML response containing a preview of the text after filtering.
MediaPreviewTest class core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php Tests Drupal\ckeditor5\Plugin\CKEditor5Plugin\Media.
MediaPreviewTest.php file core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php
MediaPreviewTest::previewAccessProvider function core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php Data provider for ::testEmbedPreviewAccess.
MediaPreviewTest::testEmbedPreviewAccess function core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php Tests preview route access.
MediaPreviewTest::testErrorMessages function core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php Tests that failed media embed preview requests inform the end user.
MediaPreviewTest::testMediaPointerEvent function core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php Ensure media preview isn't clickable.
MediaPreviewTest::testPreviewUsesDefaultThemeAndIsClientCacheable function core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaPreviewTest.php The CKEditor Widget must load a preview generated using the default theme.
MediaTestBase::getLastPreviewRequestTransferSize function core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaTestBase.php Gets the transfer size of the last preview request.
MessageForm::preview function core/modules/contact/src/MessageForm.php Form submission handler for the 'preview' action.
ModuleTest::testViewsPreview function core/modules/views/tests/src/Kernel/ModuleTest.php Tests the \Drupal\views\ViewsExecutable::preview() method.
NavigationSectionStorage::getContextsDuringPreview function core/modules/navigation/src/Plugin/SectionStorage/NavigationSectionStorage.php Gets contexts for use during preview.
node-preview-container.css file core/themes/olivero/css/components/node-preview-container.css Node preview container styling.
node-preview-container.pcss.css file core/themes/olivero/css/components/node-preview-container.pcss.css Node preview container styling.
node-preview.css file core/themes/claro/css/components/node-preview.css /*
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/3084859
* @preserve
*/

.node-preview-container {
position: sticky;
z-index: 499;
display: flex;
align-items: center;
…
node-preview.css file core/profiles/demo_umami/themes/umami/css/components/content/node-preview.css This file is used for node preview styling.
node-preview.pcss.css file core/themes/claro/css/components/node-preview.pcss.css .node-preview-container {
position: sticky;
z-index: 499;
display: flex;
align-items: center;
justify-content: space-between;
box-sizing: border-box;
width: 100%;
}

.node-preview-form-select {
display: flex;
align-items: center;
…
node.preview.css file core/modules/node/css/node.preview.css Styles for node preview page.
node.preview.css file core/themes/stable9/css/node/node.preview.css Styles for node preview page.
Node::$in_preview property core/modules/node/src/Entity/Node.php Whether the node is being previewed or not.
NodeForm::preview function core/modules/node/src/Form/NodeForm.php Form submission handler for the 'preview' action.
NodePreviewAccessCheck class core/modules/node/src/Access/NodePreviewAccessCheck.php Determines access to node previews.
NodePreviewAccessCheck.php file core/modules/node/src/Access/NodePreviewAccessCheck.php
NodePreviewAccessCheck::$entityTypeManager property core/modules/node/src/Access/NodePreviewAccessCheck.php The entity type manager service.
NodePreviewAccessCheck::access function core/modules/node/src/Access/NodePreviewAccessCheck.php Checks access to the node preview page.
NodePreviewAccessCheck::__construct function core/modules/node/src/Access/NodePreviewAccessCheck.php Constructs an EntityCreateAccessCheck object.
NodePreviewAnonymousTest class core/modules/node/tests/src/Functional/NodePreviewAnonymousTest.php Tests the node entity preview functionality for anonymous user.
NodePreviewAnonymousTest.php file core/modules/node/tests/src/Functional/NodePreviewAnonymousTest.php

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