[WIP] Single entry in lightbox

future/includes/class-gv-request.php

@@ -111,7 +111,16 @@ public function is_view( $return_view = true ) {
 		if ( $post && 'gravityview' === get_post_type( $post ) ) {
 			return ( $return_view ) ? \GV\View::from_post( $post ) : true;
 		}
-		return false;
+
+		/**
+		 * Allow filtering the View object.
+		 * @since TODO
+		 *
+		 * @param \GV\View|bool $view The View object returned or false.
+		 */
+		$is_view = apply_filters( 'gk/gravityview/request/is_view', false );
+
+		return $is_view instanceof \GV\View ? $is_view : false;
 	}
 
 	/**
@@ -134,7 +143,14 @@ public function is_entry( $form_id = 0 ) {
 
 		$id = get_query_var( Entry::get_endpoint_name() );
 
-		if ( ! $id ) {
+		/**
+		 * Allow filtering the entry ID.
+		 * @since TODO
+		 * @param int|string $id The entry ID integer or empty string.
+		 */
+		$id = apply_filters( 'gk/gravityview/request/is_entry/id', $id );
+
+		if ( ! $id || ! is_numeric( $id ) ) {
 			return false;
 		}
 

future/includes/rest/class-gv-request-rest.php

@@ -19,6 +19,24 @@ public function __construct( \WP_REST_Request $request ) {
 		$this->request = $request;
 	}
 
+	public function is_view( $return_view = true ) {
+		return parent::is_view( $return_view );
+	}
+
+	public function is_entry( $form_id = 0 ) {
+
+		//
+		//
+		// TODO: This is a temporary fix!
+		//
+		//
+		if ( isset( $_GET['lightbox'] ) ) {
+			return true;
+		}
+
+		return parent::is_entry( $form_id );
+	}
+
 	/**
 	 * Retrieve paging parameters if any.
 	 *

future/includes/rest/class-gv-rest-views-route.php

@@ -411,6 +411,7 @@ public function get_sub_item( $request ) {
 
 		if ( 'html' === $format ) {
 			$renderer = new \GV\Entry_Renderer();
+
 			return $renderer->render( $entry, $view, new Request( $request ) );
 		}
 

includes/extensions/lightbox/class-gravityview-lightbox-entry.php

@@ -0,0 +1,215 @@
+<?php
+
+use GV\Entry;
+use GV\GF_Entry;
+use GV\Request;
+use GV\View;
+
+/**
+ *
+ * - [ ] Allow for Next/Previous and Single Entry navigation options.
+ * - [ ] Remove single entry widget header hooks `add_action( 'gravityview/template/before', array( $this, 'render_widget_hooks' ) );`
+ * - [ ] When "open in lightbox" is enabled, disable "open in new window" option.
+ * - [ ] Add setting to enable/disable indexing of single entry pages when opening in a lightbox.
+ * - [ ] Make sure to embed Custom CSS and Custom JS output.
+ * - [ ] Edit Entry isn't working.
+ * - [ ] Enable galleries inside modal
+ */
+
+function gravityview_is_request_lightbox( WP_REST_Request $request ) {
+	if ( ! defined( 'REST_REQUEST' ) || ! REST_REQUEST ) {
+		return false;
+	}
+
+	/**
+	 * Don't format the HTML as JSON, just return it.
+	 */
+	if ( 'raw' !== $request->get_param( 'output' ) ) {
+		return false;
+	}
+
+	if ( '1' !== $request->get_param( 'lightbox' ) ) {
+		return false;
+	}
+
+	return true;
+}
+
+add_filter( 'rest_post_dispatch', function ( $response, $server, $request ) {
+	if ( ! $response instanceof WP_REST_Response ) {
+		return $response;
+	}
+
+	if ( false === strpos( $response->get_matched_route(), 'gravityview' ) ) {
+		return $response;
+	}
+
+	if ( ! gravityview_is_request_lightbox( $request ) ) {
+		return $response;
+	}
+
+	// Define the content type as being HTML instead of JSON.
+	$response->header( 'Content-Type', 'text/html' );
+
+	return $response;
+}, 20, 3 );
+
+/**
+ * Filters whether the REST API request has already been served.
+ *
+ * Allow sending the request manually - by returning true, the API result
+ * will not be sent to the client.
+ *
+ * @since 4.4.0
+ *
+ * @param bool             $served           Whether the request has already been served.
+ *                                           Default false.
+ * @param WP_HTTP_Response $result           Result to send to the client. Usually a `WP_REST_Response`.
+ * @param WP_REST_Request  $request          Request used to generate the response.
+ * @param WP_REST_Server   $server           Server instance.
+ */
+add_filter( 'rest_pre_serve_request', function ( $served, $result, $request, $server ) {
+	if ( ! gravityview_is_request_lightbox( $request ) ) {
+		return $served;
+	}
+
+	$entry_id = $request->get_params()['s_id'];
+	$view_id  = $request->get_params()['id'];
+
+	$rendered = apply_filters( 'gk/gravityview/rest/entry/html', $result->get_data(), $result, $request, $entry_id, $view_id );
+
+	echo $rendered;
+
+	return true;
+}, 10, 4 );
+
+/**
+ * Wrap the rendered HTML snippet inside a full HTML page.
+ *
+ * @internal
+ *
+ * @return void
+ */
+add_filter( 'gk/gravityview/rest/entry/html', function ( $rendered, $result, $request, $entry_id, $view_id ) {
+	$view  = View::by_id( $view_id );
+	$entry = GF_Entry::by_id( $entry_id );
+
+	$title = $view->settings->get( 'single_title', '' );
+
+	$form = GVCommon::get_form( $entry['form_id'] );
+
+	// We are allowing HTML in the fields, so no escaping the output
+	$title = GravityView_API::replace_variables( $title, $form, $entry );
+
+	$title = do_shortcode( $title );
+
+	ob_start();
+	?>
+
+	<html lang="<?php echo get_bloginfo( 'language' ); ?>">
+		<head>
+			<title>{{title}}</title>
+			<?php wp_head(); ?>
+			<style>
+				<?php echo $view->settings->get( 'custom_css', '' ); ?>
+			</style>
+
+			<script type="text/javascript">
+				<?php echo $view->settings->get( 'custom_javascript', '' ); ?>
+			</script>
+
+		</head>
+		<body>
+			{{content}}
+		</body>
+	</html>
+
+	<?php
+	$template = ob_get_clean();
+
+	$rendered = str_replace( '{{content}}', $rendered, $template );
+	$rendered = str_replace( '{{title}}', $title, $rendered );
+
+	echo $rendered;
+}, 10, 5 );
+
+/**
+ * Edit the Edit Link URL.
+ *
+ * @param string $href  The Edit Link URL.
+ * @param array  $entry The GF entry array.
+ * @param View   $view  The View.
+ */
+add_filter( 'gravityview/edit/link', function ( $href, $entry, $view ) {
+
+	// Get URL args from $href
+	$args = wp_parse_args( parse_url( $href, PHP_URL_QUERY ) );
+
+	$href = rest_url( 'gravityview/v1/views/' . $view->ID . '/entries/' . $entry['id'] . '.html' );
+
+	$args['lightbox'] = 1;
+	$args['output']   = 'raw';
+
+	return add_query_arg( $args, $href );
+}, 10, 3 );
+
+/**
+ * @filter `gravityview/entry/permalink` The permalink of this entry.
+ * @since  2.0
+ *
+ * @param string    $permalink The permalink.
+ * @param Entry     $entry     The entry we're retrieving it for.
+ * @param View|null $view      The view context.
+ * @param Request   $request   The request context.
+ */
+add_filter( 'gravityview/entry/permalink', function ( $permalink, $gv_entry, $view, $request ) {
+	$href = rest_url( 'gravityview/v1/views/' . $view->ID . '/entries/' . $gv_entry->ID . '.html' );
+
+	$args = [
+		'lightbox' => 1,
+		'output'   => 'raw',
+	];
+
+	return add_query_arg( $args, $href );
+}, 10, 4 );
+
+add_filter( 'gravityview/lightbox/provider/fancybox/settings', function ( $settings ) {
+	return $settings;
+} );
+
+/**
+ *
+ *
+ */
+add_filter( 'gk/gravityview/field/edit_link/atts', function ( $link_atts, $context ) {
+	$link_atts['data-fancybox'] = 'edit';
+	$link_atts['data-type']     = 'iframe';
+
+	return $link_atts;
+}, 10, 2 );
+
+/**
+ *
+ *
+ */
+add_filter( 'gravityview/entry_link/link_atts', function ( $link_atts, $context ) {
+	$link_atts['data-fancybox'] = 'gallery';
+	$link_atts['data-type']     = 'iframe';
+
+	return $link_atts;
+}, 10, 2 );
+
+/*
+ * Prevents the back link from being displayed in the single entry lightbox view.
+ *
+ * @since TBD
+ */
+add_filter( 'gravityview/template/links/back/url', function ( $url, $context ) {
+	$request = $context->request instanceof Request ? $context->request->get_request() : $context->request;
+
+	if ( ! $request instanceof WP_REST_Request ) {
+		return $url;
+	}
+
+	return gravityview_is_request_lightbox( $request ) ? null : $url;
+}, 10, 3 );

includes/extensions/lightbox/class-gravityview-lightbox-provider.php

@@ -21,6 +21,7 @@ public function add_hooks() {
 		add_filter( 'gravityview_lightbox_style', array( $this, 'filter_lightbox_style' ), 1000 );
 
 		add_filter( 'gravityview/fields/fileupload/link_atts', array( $this, 'fileupload_link_atts' ), 10, 4 );
+		add_filter( 'gravityview/entry_link/link_atts', array( $this, 'entry_link_link_atts' ), 10, 2 );
 		add_filter( 'gravityview/get_link/allowed_atts', array( $this, 'allowed_atts' ) );
 
 		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
@@ -177,6 +178,17 @@ public function allowed_atts( $atts = array() ) {
 		return $atts;
 	}
 
+	/**
+	 * @filter `gravityview/entry_link/link_atts` Modify attributes before being passed to {@see gravityview_get_link}
+	 * @since 2.14
+	 *
+	 * @param array $link_atts
+	 * @param \GV\Template_Context $context
+	 */
+	public function entry_link_link_atts( $link_atts, $context ) {
+		return static::fileupload_link_atts( $link_atts, array(), $context );
+	}
+
 	/**
 	 * Modified File Upload field links to use lightbox
 	 *

includes/extensions/lightbox/class-gravityview-lightbox.php

@@ -21,10 +21,29 @@ class GravityView_Lightbox {
 	public function __construct() {
 		require_once gravityview()->plugin->dir( 'includes/extensions/lightbox/class-gravityview-lightbox-provider.php' );
 		require_once gravityview()->plugin->dir( 'includes/extensions/lightbox/fancybox/class-gravityview-lightbox-provider-fancybox.php' );
+		require_once gravityview()->plugin->dir( 'includes/extensions/lightbox/class-gravityview-lightbox-entry.php' );
 
 		add_action( 'plugins_loaded', array( $this, 'set_provider' ), 11 );
 
 		add_action( 'gravityview/lightbox/provider', array( $this, 'set_provider' ) );
+
+		/**
+		 * `gravityview/field_output/context/{$tag}` Allow users to filter content on context
+		 * @param string $value The content to be shown instead of the {{tag}} placeholder
+		 * @param array $args Arguments passed to the function
+		 * @param \GV\Template_Context $context The context.
+		 */
+		add_action( 'gravityview/field_output/context/class', function( $value, $args, $context ) {
+
+			/** @var \GV\Field $field */
+			$field = \GV\Utils::get( $context, 'field' );
+
+			if ( empty( $field ) ) {
+				return $value;
+			}
+
+			return $value . ' ADSDASDSAD';
+		}, 10, 3 );
 	}
 
 	/**

includes/extensions/lightbox/fancybox/class-gravityview-lightbox-provider-fancybox.php

@@ -123,6 +123,34 @@ public function allowed_atts( $atts = array() ) {
 		return $atts;
 	}
 
+	// TODO: Disable `infinite` (endless loop) when using entry link 'gravityview/lightbox/provider/' . static::$slug . '/settings'
+
+	public function entry_link_link_atts( $link_atts, $context ) {
+
+		$field = \GV\Utils::get( $context, 'field' );
+
+		if ( ! $context || ! $field ) {
+			return $link_atts;
+		}
+
+		if ( empty( $field->lightbox ) ) {
+			return $link_atts;
+		}
+
+		$link_atts['class'] = \GV\Utils::get( $link_atts, 'class' ) . ' gravityview-fancybox';
+
+		$link_atts['class'] = gravityview_sanitize_html_class( $link_atts['class'] );
+
+		if ( $context && ! empty( $context->field ) ) {
+			$entry = $context->entry->as_entry();
+			$link_atts['data-fancybox'] = 'gallery-' . sprintf( '%s-%s', $entry['form_id'], $context->field->ID );
+		}
+
+		$link_atts['data-type'] = 'iframe';
+
+		return $link_atts;
+	}
+
 	/**
 	 * @inheritDoc
 	 */
@@ -147,9 +175,9 @@ public function fileupload_link_atts( $link_atts, $field_compat = array(), $cont
 		$link_atts['class'] = gravityview_sanitize_html_class( $link_atts['class'] );
 
 		if ( $context && ! empty( $context->field->field ) ) {
-			if ( $context->field->field->multipleFiles ) {
-				$entry                      = $context->entry->as_entry();
-				$link_atts['data-fancybox'] = 'gallery-' . sprintf( '%s-%s-%s', $entry['form_id'], $context->field->ID, $context->entry->get_slug() );
+			if ( ! empty( $context->field->field->multipleFiles ) ) {
+				$entry = $context->entry->as_entry();
+				$link_atts['data-fancybox'] = 'gallery-' . sprintf( "%s-%s-%s", $entry['form_id'], $context->field->ID, $context->entry->get_slug() );
 			}
 		}