153 lines
4 KiB
PHP
153 lines
4 KiB
PHP
<?php if ( ! defined( 'ABSPATH' ) ) exit;
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/**
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* Adds Ninja Forms widget.
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*/
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class NF_FormBlock {
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/**
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* Register widget with WordPress.
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*/
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public function __construct() {
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add_action( 'ninja_forms_loaded', array($this, 'nf_form_block_load' ) );
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// load the preview information and form
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add_action( 'wp_head', array( $this, 'load_preview_data' ) );
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// load the iframe containing the iframe
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// add_action( 'init', array( $this, 'load_preview_iframe' ) );
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}
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function nf_form_block_load() {
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// wait for Gutenberg to enqueue it's block assets
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add_action( 'enqueue_block_editor_assets', array ( $this, 'nf_form_block' ) );
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}
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function nf_form_block() {
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$js_dir = Ninja_Forms::$url . 'assets/js/min/';
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$css_dir = Ninja_Forms::$url . 'assets/css/';
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// Once we have Gutenberg block javascript, we can enqueue our assets
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wp_register_script(
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'ninja-forms-block',
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$js_dir . 'block.js',
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array( 'wp-blocks', 'wp-i18n', 'wp-element', 'underscore' )
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);
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wp_register_style(
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'ninja-forms-block-style',
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$css_dir . 'nf-form-block-style.css',
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array( 'wp-edit-blocks' )
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);
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wp_register_style(
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'ninja-forms-block-editor',
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$css_dir . 'nf-form-block-editor.css',
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array( 'wp-edit-blocks', 'form-blocks-style' )
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);
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/**
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* we need to get our forms so that the block can build a dropdown
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* with the forms
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* */
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wp_enqueue_script( 'ninja-forms-block' );
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$forms = array();
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foreach( Ninja_Forms()->form()->get_forms() as $form ){
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$forms[] = array (
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'value' => $form->get_id(),
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'label' => $form->get_setting( 'title' ),
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);
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}
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$block_logo = NF_PLUGIN_URL . 'assets/img/nf-logo-dashboard.png';
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$thumbnail_logo = NF_PLUGIN_URL . 'assets/img/ninja-forms-app-header-logo.png';
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wp_localize_script( 'ninja-forms-block', 'ninjaFormsBlock', array(
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'forms' => $forms,
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'siteUrl' => get_site_url(),
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'block_logo' => $block_logo,
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'thumbnail_logo' => $thumbnail_logo
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) );
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wp_enqueue_style( 'ninja-forms-block-style' );
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wp_enqueue_style( 'ninja-forms-block-editor' );
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}
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public function load_preview_data() {
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// check for preview and iframe get parameters
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if( isset( $_GET[ 'nf_preview_form' ] ) && isset( $_GET[ 'nf_iframe' ] ) ){
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$form_id = intval( $_GET[ 'nf_preview_form' ] );
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// Style below: update width and height for particular form
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?>
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<style media="screen">
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#wpadminbar {
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display: none;
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}
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#nf-form-<?php echo $form_id; ?>-cont {
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z-index: 9001;
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position: fixed;
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top: 0; left: 0;
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width: 100vw;
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height: 100vh;
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background-color: white;
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/* overflow-x: hidden; */
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}
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</style>
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<script type="text/javascript">
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jQuery(document).on( 'nfFormReady', function(){
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var frameEl = window.frameElement;
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// get the form element
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var $form = jQuery("#nf-form-<?php echo $form_id; ?>-cont");
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// get the height of the form
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var height = $form.find( '.ninja-forms-form-wrap' ).outerHeight(true);
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if (frameEl) {
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// add 75 to height b/c the submit button was missing
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frameEl.height = height + 75;
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}
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});
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</script>
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<?php
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}
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}
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public function load_preview_iframe() {
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if( ! isset( $_GET[ 'form_preview_iframe' ] ) ) return;
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// Style below: set styling for iframe
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?>
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<style media="screen">
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.iframe-container {
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position: relative;
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}
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.iframe-overlay {
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position: absolute;
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top: 0; right: 0; bottom: 0; left: 0;
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}
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</style>
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<div class="iframe-container">
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<div class="iframe-overlay"></div>
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<iframe
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id="idIframe"
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src="/?nf_preview_form=1&nf_iframe"
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frameborder="0"
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width="100%"
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onload="iframeLoaded()"
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></iframe>
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</div>
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<script type="text/javascript">
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function iframeLoaded() {
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var iFrameID = document.getElementById('idIframe');
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if(iFrameID) {
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var target = iFrameID.contentWindow.document.getElementById('nf-form-1-cont');
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// here you can make the height, I delete it first, then I make it again
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iFrameID.height = "";
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// set initial iFrame height
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iFrameID.height = target.scrollHeight;
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}
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}
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</script>
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<?php
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exit();
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}
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}
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