Rich Text HTML Fields

<?php
/**
 * Gravity Wiz // Gravity Forms // Rich Text HTML Fields
 * https://gravitywiz.com/
 *
 * Experimental Snippet 
 *
 * Demo Video: https://www.loom.com/share/fc666b9d3e1f48ed9dc21a3fcadef783
 *
 * @todo
 * 1. Add merge tag selector.
 * 2. Allow switching to text mode: window.switchEditors.go( 'rich_field_content', mode )
 * 3. Add support for inserting images.
 */

add_action( 'admin_init', function() {
	if ( GFForms::get_page() === 'form_editor' ) {
		wp_enqueue_editor();
	}
} );

add_action( 'gform_field_standard_settings_200', function() {
	?>

	<li class="content_setting rich_content_setting field_setting">
		<label for="field_content" class="section_label">
			<?php esc_html_e( 'Content', 'gravityforms' ); ?>
			<?php gform_tooltip( 'form_field_content' ); ?>
		</label>
		<?php
		$id       = 'field_rich_content';
		$settings = array(
			'tinymce'       => true,
			'textarea_name' => $id,
			'editor_height' => 250,
		);
		wp_editor( '', $id, $settings );
		?>
	</li>

	<style>
		.rich_content_setting label {
			position: relative;
			z-index: 2;
		}
		#wp-field_rich_content-wrap {
			margin-top: -2.7rem;
		}
		.content_setting:not( .rich_content_setting ) {
			display: none !important;
		}
	</style>

	<script>
		jQuery( document ).on( 'gform_load_field_settings', function( event, field ) {
			var id = 'field_rich_content';
			wp.editor.remove( id );
			jQuery( '#' + id ).val( field.content );
			wp.editor.initialize( id, {
				tinymce: {
					setup: function( editor ) {
						editor.on( 'Paste Change input Undo Redo', function () {
							SetFieldProperty( 'content', editor.getContent() );
						} );
					}
				},
				quicktags: true
			} );
		} );
		jQuery( document).on( 'tinymce-editor-setup', function ( event, editor ) {
			if ( editor.id === 'field_rich_content' ) {
				editor.settings.toolbar1 = 'bold,italic,underline,bullist,numlist,alignleft,aligncenter,alignright,link';
			}
		} );
	</script>

	<?php
} );