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Created March 8, 2017 13:51
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LDHT GravityView permissions - includes/extension/edit-entry/class-edit-entry-render.php
<?php
/**
* GravityView Edit Entry - render frontend
*
* @package GravityView
* @license GPL2+
* @author Katz Web Services, Inc.
* @link http://gravityview.co
* @copyright Copyright 2014, Katz Web Services, Inc.
*/
if ( ! defined( 'WPINC' ) ) {
die;
}
class GravityView_Edit_Entry_Render {
/**
* @var GravityView_Edit_Entry
*/
protected $loader;
/**
* @var string String used to generate unique nonce for the entry/form/view combination. Allows access to edit page.
*/
static $nonce_key;
/**
* @since 1.9
* @var string String used for check valid edit entry form submission. Allows saving edit form values.
*/
private static $nonce_field = 'is_gv_edit_entry';
/**
* @since 1.9
* @var bool Whether to allow save and continue functionality
*/
private static $supports_save_and_continue = false;
/**
* Gravity Forms entry array
*
* @var array
*/
public $entry;
/**
* Gravity Forms entry array (it won't get changed during this class lifecycle)
* @since 1.17.2
* @var array
*/
private static $original_entry = array();
/**
* Gravity Forms form array (GravityView modifies the content through this class lifecycle)
*
* @var array
*/
public $form;
/**
* Gravity Forms form array (it won't get changed during this class lifecycle)
* @since 1.16.2.1
* @var array
*/
private static $original_form;
/**
* Gravity Forms form array after the form validation process
* @since 1.13
* @var array
*/
public $form_after_validation = null;
/**
* Hold an array of GF field objects that have calculation rules
* @var array
*/
public $fields_with_calculation = array();
/**
* Gravity Forms form id
*
* @var int
*/
public $form_id;
/**
* ID of the current view
*
* @var int
*/
public $view_id;
/**
* Updated entry is valid (GF Validation object)
*
* @var array
*/
public $is_valid = NULL;
function __construct( GravityView_Edit_Entry $loader ) {
$this->loader = $loader;
}
function load() {
/** @define "GRAVITYVIEW_DIR" "../../../" */
include_once( GRAVITYVIEW_DIR .'includes/class-admin-approve-entries.php' );
// Don't display an embedded form when editing an entry
add_action( 'wp_head', array( $this, 'prevent_render_form' ) );
add_action( 'wp_footer', array( $this, 'prevent_render_form' ) );
// Stop Gravity Forms processing what is ours!
add_filter( 'wp', array( $this, 'prevent_maybe_process_form'), 8 );
add_filter( 'gravityview_is_edit_entry', array( $this, 'is_edit_entry') );
add_action( 'gravityview_edit_entry', array( $this, 'init' ) );
// Disable conditional logic if needed (since 1.9)
add_filter( 'gform_has_conditional_logic', array( $this, 'manage_conditional_logic' ), 10, 2 );
// Make sure GF doesn't validate max files (since 1.9)
add_filter( 'gform_plupload_settings', array( $this, 'modify_fileupload_settings' ), 10, 3 );
// Add fields expected by GFFormDisplay::validate()
add_filter( 'gform_pre_validation', array( $this, 'gform_pre_validation') );
}
/**
* Don't show any forms embedded on a page when GravityView is in Edit Entry mode
*
* Adds a `__return_empty_string` filter on the Gravity Forms shortcode on the `wp_head` action
* And then removes it on the `wp_footer` action
*
* @since 1.16.1
*
* @return void
*/
public function prevent_render_form() {
if( $this->is_edit_entry() ) {
if( 'wp_head' === current_filter() ) {
add_filter( 'gform_shortcode_form', '__return_empty_string' );
} else {
remove_filter( 'gform_shortcode_form', '__return_empty_string' );
}
}
}
/**
* Because we're mimicking being a front-end Gravity Forms form while using a Gravity Forms
* backend form, we need to prevent them from saving twice.
* @return void
*/
public function prevent_maybe_process_form() {
if( ! empty( $_POST ) ) {
do_action( 'gravityview_log_debug', 'GravityView_Edit_Entry[prevent_maybe_process_form] $_POSTed data (sanitized): ', esc_html( print_r( $_POST, true ) ) );
}
if( $this->is_edit_entry_submission() ) {
remove_action( 'wp', array( 'RGForms', 'maybe_process_form'), 9 );
}
}
/**
* Is the current page an Edit Entry page?
* @return boolean
*/
public function is_edit_entry() {
$is_edit_entry = GravityView_frontend::is_single_entry() && ! empty( $_GET['edit'] );
return ( $is_edit_entry || $this->is_edit_entry_submission() );
}
/**
* Is the current page an Edit Entry page?
* @since 1.9
* @return boolean
*/
public function is_edit_entry_submission() {
return !empty( $_POST[ self::$nonce_field ] );
}
/**
* When Edit entry view is requested setup the vars
*/
private function setup_vars() {
$gravityview_view = GravityView_View::getInstance();
$entries = $gravityview_view->getEntries();
self::$original_entry = $entries[0];
$this->entry = $entries[0];
self::$original_form = $gravityview_view->getForm();
$this->form = $gravityview_view->getForm();
$this->form_id = $gravityview_view->getFormId();
$this->view_id = $gravityview_view->getViewId();
self::$nonce_key = GravityView_Edit_Entry::get_nonce_key( $this->view_id, $this->form_id, $this->entry['id'] );
}
/**
* Load required files and trigger edit flow
*
* Run when the is_edit_entry returns true.
*
* @param GravityView_View_Data $gv_data GravityView Data object
* @return void
*/
public function init( $gv_data ) {
require_once( GFCommon::get_base_path() . '/form_display.php' );
require_once( GFCommon::get_base_path() . '/entry_detail.php' );
$this->setup_vars();
// Multiple Views embedded, don't proceed if nonce fails
if( $gv_data->has_multiple_views() && ! wp_verify_nonce( $_GET['edit'], self::$nonce_key ) ) {
do_action('gravityview_log_error', __METHOD__ . ': Nonce validation failed for the Edit Entry request; returning' );
return;
}
// Sorry, you're not allowed here.
if( false === $this->user_can_edit_entry( true ) ) {
do_action('gravityview_log_error', __METHOD__ . ': User is not allowed to edit this entry; returning', $this->entry );
return;
}
$this->print_scripts();
$this->process_save();
$this->edit_entry_form();
}
/**
* Force Gravity Forms to output scripts as if it were in the admin
* @return void
*/
private function print_scripts() {
$gravityview_view = GravityView_View::getInstance();
wp_register_script( 'gform_gravityforms', GFCommon::get_base_url().'/js/gravityforms.js', array( 'jquery', 'gform_json', 'gform_placeholder', 'sack', 'plupload-all', 'gravityview-fe-view' ) );
GFFormDisplay::enqueue_form_scripts($gravityview_view->getForm(), false);
// Sack is required for images
wp_print_scripts( array( 'sack', 'gform_gravityforms' ) );
}
/**
* Process edit entry form save
*/
private function process_save() {
if( empty( $_POST ) || ! isset( $_POST['lid'] ) ) {
return;
}
// Make sure the entry, view, and form IDs are all correct
$valid = $this->verify_nonce();
if( !$valid ) {
do_action('gravityview_log_error', __METHOD__ . ' Nonce validation failed.' );
return;
}
if( $this->entry['id'] !== $_POST['lid'] ) {
do_action('gravityview_log_error', __METHOD__ . ' Entry ID did not match posted entry ID.' );
return;
}
do_action('gravityview_log_debug', __METHOD__ . ': $_POSTed data (sanitized): ', esc_html( print_r( $_POST, true ) ) );
$this->process_save_process_files( $this->form_id );
$this->validate();
if( $this->is_valid ) {
do_action('gravityview_log_debug', __METHOD__ . ': Submission is valid.' );
/**
* @hack This step is needed to unset the adminOnly from form fields, to add the calculation fields
*/
$form = $this->form_prepare_for_save();
/**
* @hack to avoid the capability validation of the method save_lead for GF 1.9+
*/
unset( $_GET['page'] );
$date_created = $this->entry['date_created'];
/**
* @hack to force Gravity Forms to use $read_value_from_post in GFFormsModel::save_lead()
* @since 1.17.2
*/
unset( $this->entry['date_created'] );
GFFormsModel::save_lead( $form, $this->entry );
// Delete the values for hidden inputs
$this->unset_hidden_field_values();
$this->entry['date_created'] = $date_created;
// Process calculation fields
$this->update_calculation_fields();
// Perform actions normally performed after updating a lead
$this->after_update();
/**
* Must be AFTER after_update()!
* @see https://github.com/gravityview/GravityView/issues/764
*/
$this->maybe_update_post_fields( $form );
/**
* @action `gravityview/edit_entry/after_update` Perform an action after the entry has been updated using Edit Entry
* @param array $form Gravity Forms form array
* @param string $entry_id Numeric ID of the entry that was updated
* @param GravityView_Edit_Entry_Render $this This object
*/
do_action( 'gravityview/edit_entry/after_update', $this->form, $this->entry['id'], $this );
} else {
do_action('gravityview_log_error', __METHOD__ . ': Submission is NOT valid.', $this->entry );
}
} // process_save
/**
* Delete the value of fields hidden by conditional logic when the entry is edited
*
* @uses GFFormsModel::update_lead_field_value()
*
* @since 1.17.4
*
* @return void
*/
private function unset_hidden_field_values() {
global $wpdb;
$lead_detail_table = GFFormsModel::get_lead_details_table_name();
$current_fields = $wpdb->get_results( $wpdb->prepare( "SELECT id, field_number FROM $lead_detail_table WHERE lead_id=%d", $this->entry['id'] ) );
foreach ( $this->entry as $input_id => $field_value ) {
$field = RGFormsModel::get_field( $this->form, $input_id );
// Reset fields that are hidden
// Don't pass $entry as fourth parameter; force using $_POST values to calculate conditional logic
if ( GFFormsModel::is_field_hidden( $this->form, $field, array(), NULL ) ) {
// List fields are stored as empty arrays when empty
$empty_value = $this->is_field_json_encoded( $field ) ? '[]' : '';
$lead_detail_id = GFFormsModel::get_lead_detail_id( $current_fields, $input_id );
GFFormsModel::update_lead_field_value( $this->form, $this->entry, $field, $lead_detail_id, $input_id, $empty_value );
// Prevent the $_POST values of hidden fields from being used as default values when rendering the form
// after submission
$post_input_id = 'input_' . str_replace( '.', '_', $input_id );
$_POST[ $post_input_id ] = '';
}
}
}
/**
* Have GF handle file uploads
*
* Copy of code from GFFormDisplay::process_form()
*
* @param int $form_id
*/
private function process_save_process_files( $form_id ) {
//Loading files that have been uploaded to temp folder
$files = GFCommon::json_decode( stripslashes( RGForms::post( 'gform_uploaded_files' ) ) );
if ( ! is_array( $files ) ) {
$files = array();
}
/**
* Make sure the fileuploads are not overwritten if no such request was done.
* @since 1.20.1
*/
add_filter( "gform_save_field_value_$form_id", array( $this, 'save_field_value' ), 99, 5 );
RGFormsModel::$uploaded_files[ $form_id ] = $files;
}
/**
* Make sure the fileuploads are not overwritten if no such request was done.
*
* TO ONLY BE USED INTERNALLY; DO NOT DEVELOP ON; MAY BE REMOVED AT ANY TIME.
*
* @since 1.20.1
*
* @param string $value Field value
* @param array $entry GF entry array
* @param GF_Field_FileUpload $field
* @param array $form GF form array
* @param string $input_id ID of the input being saved
*
* @return string
*/
public function save_field_value( $value = '', $entry = array(), $field = null, $form = array(), $input_id = '' ) {
if ( ! $field || $field->type != 'fileupload' ) {
return $value;
}
$input_name = 'input_' . str_replace( '.', '_', $input_id );
if ( $field->multipleFiles ) {
if ( empty( $value ) ) {
return json_decode( $entry[ $input_id ], true );
}
return $value;
}
/** No file is being uploaded. */
if ( empty( $_FILES[ $input_name ]['name'] ) ) {
/** So return the original upload */
return $entry[ $input_id ];
}
return $value;
}
/**
* Remove max_files validation (done on gravityforms.js) to avoid conflicts with GravityView
* Late validation done on self::custom_validation
*
* @param $plupload_init array Plupload settings
* @param $form_id
* @param $instance
* @return mixed
*/
public function modify_fileupload_settings( $plupload_init, $form_id, $instance ) {
if( ! $this->is_edit_entry() ) {
return $plupload_init;
}
$plupload_init['gf_vars']['max_files'] = 0;
return $plupload_init;
}
/**
* Unset adminOnly and convert field input key to string
* @return array $form
*/
private function form_prepare_for_save() {
$form = $this->form;
/** @var GF_Field $field */
foreach( $form['fields'] as $k => &$field ) {
/**
* Remove the fields with calculation formulas before save to avoid conflicts with GF logic
* @since 1.16.3
* @var GF_Field $field
*/
if( $field->has_calculation() ) {
unset( $form['fields'][ $k ] );
}
$field->adminOnly = false;
if( isset( $field->inputs ) && is_array( $field->inputs ) ) {
foreach( $field->inputs as $key => $input ) {
$field->inputs[ $key ][ 'id' ] = (string)$input['id'];
}
}
}
return $form;
}
private function update_calculation_fields() {
$form = self::$original_form;
$update = false;
// get the most up to date entry values
$entry = GFAPI::get_entry( $this->entry['id'] );
if( !empty( $this->fields_with_calculation ) ) {
$update = true;
foreach ( $this->fields_with_calculation as $calc_field ) {
$inputs = $calc_field->get_entry_inputs();
if ( is_array( $inputs ) ) {
foreach ( $inputs as $input ) {
$input_name = 'input_' . str_replace( '.', '_', $input['id'] );
$entry[ strval( $input['id'] ) ] = RGFormsModel::prepare_value( $form, $calc_field, '', $input_name, $entry['id'], $entry );
}
} else {
$input_name = 'input_' . str_replace( '.', '_', $calc_field->id);
$entry[ strval( $calc_field->id ) ] = RGFormsModel::prepare_value( $form, $calc_field, '', $input_name, $entry['id'], $entry );
}
}
}
if( $update ) {
$return_entry = GFAPI::update_entry( $entry );
if( is_wp_error( $return_entry ) ) {
do_action( 'gravityview_log_error', 'Updating the entry calculation fields failed', $return_entry );
} else {
do_action( 'gravityview_log_debug', 'Updating the entry calculation fields succeeded' );
}
}
}
/**
* Handle updating the Post Image field
*
* Sets a new Featured Image if configured in Gravity Forms; otherwise uploads/updates media
*
* @since 1.17
*
* @uses GFFormsModel::media_handle_upload
* @uses set_post_thumbnail
*
* @param array $form GF Form array
* @param GF_Field $field GF Field
* @param string $field_id Numeric ID of the field
* @param string $value
* @param array $entry GF Entry currently being edited
* @param int $post_id ID of the Post being edited
*
* @return mixed|string
*/
private function update_post_image( $form, $field, $field_id, $value, $entry, $post_id ) {
$input_name = 'input_' . $field_id;
if ( !empty( $_FILES[ $input_name ]['name'] ) ) {
// We have a new image
$value = RGFormsModel::prepare_value( $form, $field, $value, $input_name, $entry['id'] );
$ary = ! empty( $value ) ? explode( '|:|', $value ) : array();
$img_url = rgar( $ary, 0 );
$img_title = count( $ary ) > 1 ? $ary[1] : '';
$img_caption = count( $ary ) > 2 ? $ary[2] : '';
$img_description = count( $ary ) > 3 ? $ary[3] : '';
$image_meta = array(
'post_excerpt' => $img_caption,
'post_content' => $img_description,
);
//adding title only if it is not empty. It will default to the file name if it is not in the array
if ( ! empty( $img_title ) ) {
$image_meta['post_title'] = $img_title;
}
/**
* todo: As soon as \GFFormsModel::media_handle_upload becomes a public method, move this call to \GFFormsModel::media_handle_upload and remove the hack from this class.
* Note: the method became public in GF 1.9.17.7, but we don't require that version yet.
*/
require_once GRAVITYVIEW_DIR . 'includes/class-gravityview-gfformsmodel.php';
$media_id = GravityView_GFFormsModel::media_handle_upload( $img_url, $post_id, $image_meta );
// is this field set as featured image?
if ( $media_id && $field->postFeaturedImage ) {
set_post_thumbnail( $post_id, $media_id );
}
} elseif ( !empty( $_POST[ $input_name ] ) && is_array( $value ) ) {
// Same image although the image title, caption or description might have changed
$ary = array();
if( ! empty( $entry[ $field_id ] ) ) {
$ary = is_array( $entry[ $field_id ] ) ? $entry[ $field_id ] : explode( '|:|', $entry[ $field_id ] );
}
$img_url = rgar( $ary, 0 );
// is this really the same image or something went wrong ?
if( $img_url === $_POST[ $input_name ] ) {
$img_title = rgar( $value, $field_id .'.1' );
$img_caption = rgar( $value, $field_id .'.4' );
$img_description = rgar( $value, $field_id .'.7' );
$value = ! empty( $img_url ) ? $img_url . "|:|" . $img_title . "|:|" . $img_caption . "|:|" . $img_description : '';
if ( $field->postFeaturedImage ) {
$image_meta = array(
'ID' => get_post_thumbnail_id( $post_id ),
'post_title' => $img_title,
'post_excerpt' => $img_caption,
'post_content' => $img_description,
);
// update image title, caption or description
wp_update_post( $image_meta );
}
}
} else {
// if we get here, image was removed or not set.
$value = '';
if ( $field->postFeaturedImage ) {
delete_post_thumbnail( $post_id );
}
}
return $value;
}
/**
* Loop through the fields being edited and if they include Post fields, update the Entry's post object
*
* @param array $form Gravity Forms form
*
* @return void
*/
private function maybe_update_post_fields( $form ) {
if( empty( $this->entry['post_id'] ) ) {
do_action( 'gravityview_log_debug', __METHOD__ . ': This entry has no post fields. Continuing...' );
return;
}
$post_id = $this->entry['post_id'];
// Security check
if( false === GVCommon::has_cap( 'edit_post', $post_id ) ) {
do_action( 'gravityview_log_error', 'The current user does not have the ability to edit Post #'.$post_id );
return;
}
$update_entry = false;
$updated_post = $original_post = get_post( $post_id );
foreach ( $this->entry as $field_id => $value ) {
$field = RGFormsModel::get_field( $form, $field_id );
if( ! $field ) {
continue;
}
if( GFCommon::is_post_field( $field ) && 'post_category' !== $field->type ) {
// Get the value of the field, including $_POSTed value
$value = RGFormsModel::get_field_value( $field );
// Use temporary entry variable, to make values available to fill_post_template() and update_post_image()
$entry_tmp = $this->entry;
$entry_tmp["{$field_id}"] = $value;
switch( $field->type ) {
case 'post_title':
$post_title = $value;
if( rgar( $form, 'postTitleTemplateEnabled' ) ) {
$post_title = $this->fill_post_template( $form['postTitleTemplate'], $form, $entry_tmp );
}
$updated_post->post_title = $post_title;
$updated_post->post_name = $post_title;
unset( $post_title );
break;
case 'post_content':
$post_content = $value;
if( rgar( $form, 'postContentTemplateEnabled' ) ) {
$post_content = $this->fill_post_template( $form['postContentTemplate'], $form, $entry_tmp, true );
}
$updated_post->post_content = $post_content;
unset( $post_content );
break;
case 'post_excerpt':
$updated_post->post_excerpt = $value;
break;
case 'post_tags':
wp_set_post_tags( $post_id, $value, false );
break;
case 'post_category':
break;
case 'post_custom_field':
if( ! empty( $field->customFieldTemplateEnabled ) ) {
$value = $this->fill_post_template( $field->customFieldTemplate, $form, $entry_tmp, true );
}
if ( $this->is_field_json_encoded( $field ) && ! is_string( $value ) ) {
$value = function_exists('wp_json_encode') ? wp_json_encode( $value ) : json_encode( $value );
}
update_post_meta( $post_id, $field->postCustomFieldName, $value );
break;
case 'post_image':
$value = $this->update_post_image( $form, $field, $field_id, $value, $this->entry, $post_id );
break;
}
// update entry after
$this->entry["{$field_id}"] = $value;
$update_entry = true;
unset( $entry_tmp );
}
}
if( $update_entry ) {
$return_entry = GFAPI::update_entry( $this->entry );
if( is_wp_error( $return_entry ) ) {
do_action( 'gravityview_log_error', 'Updating the entry post fields failed', array( '$this->entry' => $this->entry, '$return_entry' => $return_entry ) );
} else {
do_action( 'gravityview_log_debug', 'Updating the entry post fields for post #'.$post_id.' succeeded' );
}
}
$return_post = wp_update_post( $updated_post, true );
if( is_wp_error( $return_post ) ) {
$return_post->add_data( $updated_post, '$updated_post' );
do_action( 'gravityview_log_error', 'Updating the post content failed', compact( 'updated_post', 'return_post' ) );
} else {
do_action( 'gravityview_log_debug', 'Updating the post content for post #'.$post_id.' succeeded', $updated_post );
}
}
/**
* Is the field stored in a JSON-encoded manner?
*
* @param GF_Field $field
*
* @return bool True: stored in DB json_encode()'d; False: not encoded
*/
private function is_field_json_encoded( $field ) {
$json_encoded = false;
$input_type = RGFormsModel::get_input_type( $field );
// Only certain custom field types are supported
switch( $input_type ) {
case 'fileupload':
case 'list':
case 'multiselect':
$json_encoded = true;
break;
}
return $json_encoded;
}
/**
* Convert a field content template into prepared output
*
* @uses GravityView_GFFormsModel::get_post_field_images()
*
* @since 1.17
*
* @param string $template The content template for the field
* @param array $form Gravity Forms form
* @param bool $do_shortcode Whether to process shortcode inside content. In GF, only run on Custom Field and Post Content fields
*
* @return string
*/
private function fill_post_template( $template, $form, $entry, $do_shortcode = false ) {
require_once GRAVITYVIEW_DIR . 'includes/class-gravityview-gfformsmodel.php';
$post_images = GravityView_GFFormsModel::get_post_field_images( $form, $entry );
//replacing post image variables
$output = GFCommon::replace_variables_post_image( $template, $post_images, $entry );
//replacing all other variables
$output = GFCommon::replace_variables( $output, $form, $entry, false, false, false );
// replace conditional shortcodes
if( $do_shortcode ) {
$output = do_shortcode( $output );
}
return $output;
}
/**
* Perform actions normally performed after updating a lead
*
* @since 1.8
*
* @see GFEntryDetail::lead_detail_page()
*
* @return void
*/
private function after_update() {
do_action( 'gform_after_update_entry', $this->form, $this->entry['id'], self::$original_entry );
do_action( "gform_after_update_entry_{$this->form['id']}", $this->form, $this->entry['id'], self::$original_entry );
// Re-define the entry now that we've updated it.
$entry = RGFormsModel::get_lead( $this->entry['id'] );
$entry = GFFormsModel::set_entry_meta( $entry, $this->form );
// We need to clear the cache because Gravity Forms caches the field values, which
// we have just updated.
foreach ($this->form['fields'] as $key => $field) {
GFFormsModel::refresh_lead_field_value( $entry['id'], $field->id );
}
$this->entry = $entry;
}
/**
* Display the Edit Entry form
*
* @return void
*/
public function edit_entry_form() {
?>
<div class="gv-edit-entry-wrapper"><?php
$javascript = gravityview_ob_include( GravityView_Edit_Entry::$file .'/partials/inline-javascript.php', $this );
/**
* Fixes weird wpautop() issue
* @see https://github.com/katzwebservices/GravityView/issues/451
*/
echo gravityview_strip_whitespace( $javascript );
?><h2 class="gv-edit-entry-title">
<span><?php
/**
* @filter `gravityview_edit_entry_title` Modify the edit entry title
* @param string $edit_entry_title Modify the "Edit Entry" title
* @param GravityView_Edit_Entry_Render $this This object
*/
$edit_entry_title = apply_filters('gravityview_edit_entry_title', __('Edit Entry', 'gravityview'), $this );
echo esc_attr( $edit_entry_title );
?></span>
</h2>
<?php $this->maybe_print_message(); ?>
<?php // The ID of the form needs to be `gform_{form_id}` for the pluploader ?>
<form method="post" id="gform_<?php echo $this->form_id; ?>" enctype="multipart/form-data">
<?php
wp_nonce_field( self::$nonce_key, self::$nonce_key );
wp_nonce_field( self::$nonce_field, self::$nonce_field, false );
// Print the actual form HTML
$this->render_edit_form();
?>
</form>
<script>
gform.addFilter('gform_reset_pre_conditional_logic_field_action', function ( reset, formId, targetId, defaultValues, isInit ) {
return false;
});
</script>
</div>
<?php
}
/**
* Display success or error message if the form has been submitted
*
* @uses GVCommon::generate_notice
*
* @since 1.16.2.2
*
* @return void
*/
private function maybe_print_message() {
if( rgpost('action') === 'update' ) {
$back_link = esc_url( remove_query_arg( array( 'page', 'view', 'edit' ) ) );
if( ! $this->is_valid ){
// Keeping this compatible with Gravity Forms.
$validation_message = "<div class='validation_error'>" . __('There was a problem with your submission.', 'gravityview') . " " . __('Errors have been highlighted below.', 'gravityview') . "</div>";
$message = apply_filters("gform_validation_message_{$this->form['id']}", apply_filters("gform_validation_message", $validation_message, $this->form), $this->form);
echo GVCommon::generate_notice( $message , 'gv-error' );
} else {
$entry_updated_message = sprintf( esc_attr__('Entry Updated. %sReturn to Entry%s', 'gravityview'), '<a href="'. $back_link .'">', '</a>' );
/**
* @filter `gravityview/edit_entry/success` Modify the edit entry success message (including the anchor link)
* @since 1.5.4
* @param string $entry_updated_message Existing message
* @param int $view_id View ID
* @param array $entry Gravity Forms entry array
* @param string $back_link URL to return to the original entry. @since 1.6
*/
$message = apply_filters( 'gravityview/edit_entry/success', $entry_updated_message , $this->view_id, $this->entry, $back_link );
echo GVCommon::generate_notice( $message );
}
}
}
/**
* Display the Edit Entry form in the original Gravity Forms format
*
* @since 1.9
*
* @return void
*/
private function render_edit_form() {
/**
* @action `gravityview/edit-entry/render/before` Before rendering the Edit Entry form
* @since 1.17
* @param GravityView_Edit_Entry_Render $this
*/
do_action( 'gravityview/edit-entry/render/before', $this );
add_filter( 'gform_pre_render', array( $this, 'filter_modify_form_fields'), 5000, 3 );
add_filter( 'gform_submit_button', array( $this, 'render_form_buttons') );
add_filter( 'gform_disable_view_counter', '__return_true' );
add_filter( 'gform_field_input', array( $this, 'verify_user_can_edit_post' ), 5, 5 );
add_filter( 'gform_field_input', array( $this, 'modify_edit_field_input' ), 10, 5 );
// We need to remove the fake $_GET['page'] arg to avoid rendering form as if in admin.
unset( $_GET['page'] );
// TODO: Verify multiple-page forms
ob_start(); // Prevent PHP warnings possibly caused by prefilling list fields for conditional logic
$html = GFFormDisplay::get_form( $this->form['id'], false, false, true, $this->entry );
ob_get_clean();
remove_filter( 'gform_pre_render', array( $this, 'filter_modify_form_fields' ), 5000 );
remove_filter( 'gform_submit_button', array( $this, 'render_form_buttons' ) );
remove_filter( 'gform_disable_view_counter', '__return_true' );
remove_filter( 'gform_field_input', array( $this, 'verify_user_can_edit_post' ), 5 );
remove_filter( 'gform_field_input', array( $this, 'modify_edit_field_input' ), 10 );
echo $html;
/**
* @action `gravityview/edit-entry/render/after` After rendering the Edit Entry form
* @since 1.17
* @param GravityView_Edit_Entry_Render $this
*/
do_action( 'gravityview/edit-entry/render/after', $this );
}
/**
* Display the Update/Cancel/Delete buttons for the Edit Entry form
* @since 1.8
* @return string
*/
public function render_form_buttons() {
return gravityview_ob_include( GravityView_Edit_Entry::$file .'/partials/form-buttons.php', $this );
}
/**
* Modify the form fields that are shown when using GFFormDisplay::get_form()
*
* By default, all fields will be shown. We only want the Edit Tab configured fields to be shown.
*
* @param array $form
* @param boolean $ajax Whether in AJAX mode
* @param array|string $field_values Passed parameters to the form
*
* @since 1.9
*
* @return array Modified form array
*/
public function filter_modify_form_fields( $form, $ajax = false, $field_values = '' ) {
// In case we have validated the form, use it to inject the validation results into the form render
if( isset( $this->form_after_validation ) ) {
$form = $this->form_after_validation;
} else {
$form['fields'] = $this->get_configured_edit_fields( $form, $this->view_id );
}
$form = $this->filter_conditional_logic( $form );
$form = $this->prefill_conditional_logic( $form );
// for now we don't support Save and Continue feature.
if( ! self::$supports_save_and_continue ) {
unset( $form['save'] );
}
return $form;
}
/**
* When displaying a field, check if it's a Post Field, and if so, make sure the post exists and current user has edit rights.
*
* @since 1.16.2.2
*
* @param string $field_content Always empty. Returning not-empty overrides the input.
* @param GF_Field $field
* @param string|array $value If array, it's a field with multiple inputs. If string, single input.
* @param int $lead_id Lead ID. Always 0 for the `gform_field_input` filter.
* @param int $form_id Form ID
*
* @return string If error, the error message. If no error, blank string (modify_edit_field_input() runs next)
*/
public function verify_user_can_edit_post( $field_content = '', $field, $value, $lead_id = 0, $form_id ) {
if( GFCommon::is_post_field( $field ) ) {
$message = null;
// First, make sure they have the capability to edit the post.
if( false === current_user_can( 'edit_post', $this->entry['post_id'] ) ) {
/**
* @filter `gravityview/edit_entry/unsupported_post_field_text` Modify the message when someone isn't able to edit a post
* @param string $message The existing "You don't have permission..." text
*/
$message = apply_filters('gravityview/edit_entry/unsupported_post_field_text', __('You don&rsquo;t have permission to edit this post.', 'gravityview') );
} elseif( null === get_post( $this->entry['post_id'] ) ) {
/**
* @filter `gravityview/edit_entry/no_post_text` Modify the message when someone is editing an entry attached to a post that no longer exists
* @param string $message The existing "This field is not editable; the post no longer exists." text
*/
$message = apply_filters('gravityview/edit_entry/no_post_text', __('This field is not editable; the post no longer exists.', 'gravityview' ) );
}
if( $message ) {
$field_content = sprintf('<div class="ginput_container ginput_container_' . $field->type . '">%s</div>', wpautop( $message ) );
}
}
return $field_content;
}
/**
*
* Fill-in the saved values into the form inputs
*
* @param string $field_content Always empty. Returning not-empty overrides the input.
* @param GF_Field $field
* @param string|array $value If array, it's a field with multiple inputs. If string, single input.
* @param int $lead_id Lead ID. Always 0 for the `gform_field_input` filter.
* @param int $form_id Form ID
*
* @return mixed
*/
public function modify_edit_field_input( $field_content = '', $field, $value, $lead_id = 0, $form_id ) {
$gv_field = GravityView_Fields::get_associated_field( $field );
// If the form has been submitted, then we don't need to pre-fill the values,
// Except for fileupload type and when a field input is overridden- run always!!
if(
( $this->is_edit_entry_submission() && !in_array( $field->type, array( 'fileupload', 'post_image' ) ) )
&& false === ( $gv_field && is_callable( array( $gv_field, 'get_field_input' ) ) )
&& ! GFCommon::is_product_field( $field->type )
|| ! empty( $field_content )
|| in_array( $field->type, array( 'honeypot' ) )
) {
return $field_content;
}
// SET SOME FIELD DEFAULTS TO PREVENT ISSUES
$field->adminOnly = false; /** @see GFFormDisplay::get_counter_init_script() need to prevent adminOnly */
$field_value = $this->get_field_value( $field );
// Prevent any PHP warnings, like undefined index
ob_start();
$return = null;
/** @var GravityView_Field $gv_field */
if( $gv_field && is_callable( array( $gv_field, 'get_field_input' ) ) ) {
$return = $gv_field->get_field_input( $this->form, $field_value, $this->entry, $field );
} else {
$return = $field->get_field_input( $this->form, $field_value, $this->entry );
}
// If there was output, it's an error
$warnings = ob_get_clean();
if( !empty( $warnings ) ) {
do_action( 'gravityview_log_error', __METHOD__ . $warnings, $field_value );
}
return $return;
}
/**
* Modify the value for the current field input
*
* @param GF_Field $field
*
* @return array|mixed|string
*/
private function get_field_value( $field ) {
/**
* @filter `gravityview/edit_entry/pre_populate/override` Allow the pre-populated value to override saved value in Edit Entry form. By default, pre-populate mechanism only kicks on empty fields.
* @param boolean True: override saved values; False: don't override (default)
* @param $field GF_Field object Gravity Forms field object
* @since 1.13
*/
$override_saved_value = apply_filters( 'gravityview/edit_entry/pre_populate/override', false, $field );
// We're dealing with multiple inputs (e.g. checkbox) but not time or date (as it doesn't store data in input IDs)
if( isset( $field->inputs ) && is_array( $field->inputs ) && !in_array( $field->type, array( 'time', 'date' ) ) ) {
$field_value = array();
// only accept pre-populated values if the field doesn't have any choice selected.
$allow_pre_populated = $field->allowsPrepopulate;
foreach ( (array)$field->inputs as $input ) {
$input_id = strval( $input['id'] );
if ( isset( $this->entry[ $input_id ] ) && ! gv_empty( $this->entry[ $input_id ], false, false ) ) {
$field_value[ $input_id ] = 'post_category' === $field->type ? GFCommon::format_post_category( $this->entry[ $input_id ], true ) : $this->entry[ $input_id ];
$allow_pre_populated = false;
}
}
$pre_value = $field->get_value_submission( array(), false );
$field_value = ! $allow_pre_populated && ! ( $override_saved_value && !gv_empty( $pre_value, false, false ) ) ? $field_value : $pre_value;
} else {
$id = intval( $field->id );
// get pre-populated value if exists
$pre_value = $field->allowsPrepopulate ? GFFormsModel::get_parameter_value( $field->inputName, array(), $field ) : '';
// saved field entry value (if empty, fallback to the pre-populated value, if exists)
// or pre-populated value if not empty and set to override saved value
$field_value = !gv_empty( $this->entry[ $id ], false, false ) && ! ( $override_saved_value && !gv_empty( $pre_value, false, false ) ) ? $this->entry[ $id ] : $pre_value;
// in case field is post_category but inputType is select, multi-select or radio, convert value into array of category IDs.
if ( 'post_category' === $field->type && !gv_empty( $field_value, false, false ) ) {
$categories = array();
foreach ( explode( ',', $field_value ) as $cat_string ) {
$categories[] = GFCommon::format_post_category( $cat_string, true );
}
$field_value = 'multiselect' === $field->get_input_type() ? $categories : implode( '', $categories );
}
}
// if value is empty get the default value if defined
$field_value = $field->get_value_default_if_empty( $field_value );
/**
* @filter `gravityview/edit_entry/field_value` Change the value of an Edit Entry field, if needed
* @since 1.11
* @since 1.20 Added third param
* @param mixed $field_value field value used to populate the input
* @param object $field Gravity Forms field object ( Class GF_Field )
* @param GravityView_Edit_Entry_Render $this Current object
*/
$field_value = apply_filters( 'gravityview/edit_entry/field_value', $field_value, $field, $this );
/**
* @filter `gravityview/edit_entry/field_value_{field_type}` Change the value of an Edit Entry field for a specific field type
* @since 1.17
* @since 1.20 Added third param
* @param mixed $field_value field value used to populate the input
* @param GF_Field $field Gravity Forms field object
* @param GravityView_Edit_Entry_Render $this Current object
*/
$field_value = apply_filters( 'gravityview/edit_entry/field_value_' . $field->type , $field_value, $field, $this );
return $field_value;
}
// ---- Entry validation
/**
* Add field keys that Gravity Forms expects.
*
* @see GFFormDisplay::validate()
* @param array $form GF Form
* @return array Modified GF Form
*/
public function gform_pre_validation( $form ) {
if( ! $this->verify_nonce() ) {
return $form;
}
// Fix PHP warning regarding undefined index.
foreach ( $form['fields'] as &$field) {
// This is because we're doing admin form pretending to be front-end, so Gravity Forms
// expects certain field array items to be set.
foreach ( array( 'noDuplicates', 'adminOnly', 'inputType', 'isRequired', 'enablePrice', 'inputs', 'allowedExtensions' ) as $key ) {
$field->{$key} = isset( $field->{$key} ) ? $field->{$key} : NULL;
}
switch( RGFormsModel::get_input_type( $field ) ) {
/**
* this whole fileupload hack is because in the admin, Gravity Forms simply doesn't update any fileupload field if it's empty, but it DOES in the frontend.
*
* What we have to do is set the value so that it doesn't get overwritten as empty on save and appears immediately in the Edit Entry screen again.
*
* @hack
*/
case 'fileupload':
// Set the previous value
$entry = $this->get_entry();
$input_name = 'input_'.$field->id;
$form_id = $form['id'];
$value = NULL;
// Use the previous entry value as the default.
if( isset( $entry[ $field->id ] ) ) {
$value = $entry[ $field->id ];
}
// If this is a single upload file
if( !empty( $_FILES[ $input_name ] ) && !empty( $_FILES[ $input_name ]['name'] ) ) {
$file_path = GFFormsModel::get_file_upload_path( $form['id'], $_FILES[ $input_name ]['name'] );
$value = $file_path['url'];
} else {
// Fix PHP warning on line 1498 of form_display.php for post_image fields
// Fix PHP Notice: Undefined index: size in form_display.php on line 1511
$_FILES[ $input_name ] = array('name' => '', 'size' => '' );
}
if( rgar($field, "multipleFiles") ) {
// If there are fresh uploads, process and merge them.
// Otherwise, use the passed values, which should be json-encoded array of URLs
if( isset( GFFormsModel::$uploaded_files[$form_id][$input_name] ) ) {
$value = empty( $value ) ? '[]' : $value;
$value = stripslashes_deep( $value );
$value = GFFormsModel::prepare_value( $form, $field, $value, $input_name, $entry['id'], array());
}
} else {
// A file already exists when editing an entry
// We set this to solve issue when file upload fields are required.
GFFormsModel::$uploaded_files[ $form_id ][ $input_name ] = $value;
}
$this->entry[ $input_name ] = $value;
$_POST[ $input_name ] = $value;
break;
case 'number':
// Fix "undefined index" issue at line 1286 in form_display.php
if( !isset( $_POST['input_'.$field->id ] ) ) {
$_POST['input_'.$field->id ] = NULL;
}
break;
}
}
return $form;
}
/**
* Process validation for a edit entry submission
*
* Sets the `is_valid` object var
*
* @return void
*/
private function validate() {
/**
* If using GF User Registration Add-on, remove the validation step, otherwise generates error when updating the entry
* GF User Registration Add-on version > 3.x has a different class name
* @since 1.16.2
*/
if ( class_exists( 'GF_User_Registration' ) ) {
remove_filter( 'gform_validation', array( GF_User_Registration::get_instance(), 'validate' ) );
} else if ( class_exists( 'GFUser' ) ) {
remove_filter( 'gform_validation', array( 'GFUser', 'user_registration_validation' ) );
}
/**
* For some crazy reason, Gravity Forms doesn't validate Edit Entry form submissions.
* You can enter whatever you want!
* We try validating, and customize the results using `self::custom_validation()`
*/
add_filter( 'gform_validation_'. $this->form_id, array( $this, 'custom_validation' ), 10, 4);
// Needed by the validate funtion
$failed_validation_page = NULL;
$field_values = RGForms::post( 'gform_field_values' );
// Prevent entry limit from running when editing an entry, also
// prevent form scheduling from preventing editing
unset( $this->form['limitEntries'], $this->form['scheduleForm'] );
// Hide fields depending on Edit Entry settings
$this->form['fields'] = $this->get_configured_edit_fields( $this->form, $this->view_id );
$this->is_valid = GFFormDisplay::validate( $this->form, $field_values, 1, $failed_validation_page );
remove_filter( 'gform_validation_'. $this->form_id, array( $this, 'custom_validation' ), 10 );
}
/**
* Make validation work for Edit Entry
*
* Because we're calling the GFFormDisplay::validate() in an unusual way (as a front-end
* form pretending to be a back-end form), validate() doesn't know we _can't_ edit post
* fields. This goes through all the fields and if they're an invalid post field, we
* set them as valid. If there are still issues, we'll return false.
*
* @param [type] $validation_results [description]
* @return [type] [description]
*/
public function custom_validation( $validation_results ) {
do_action('gravityview_log_debug', 'GravityView_Edit_Entry[custom_validation] Validation results: ', $validation_results );
do_action('gravityview_log_debug', 'GravityView_Edit_Entry[custom_validation] $_POSTed data (sanitized): ', esc_html( print_r( $_POST, true ) ) );
$gv_valid = true;
foreach ( $validation_results['form']['fields'] as $key => &$field ) {
$value = RGFormsModel::get_field_value( $field );
$field_type = RGFormsModel::get_input_type( $field );
// Validate always
switch ( $field_type ) {
case 'fileupload' :
case 'post_image':
// in case nothing is uploaded but there are already files saved
if( !empty( $field->failed_validation ) && !empty( $field->isRequired ) && !empty( $value ) ) {
$field->failed_validation = false;
unset( $field->validation_message );
}
// validate if multi file upload reached max number of files [maxFiles] => 2
if( rgobj( $field, 'maxFiles') && rgobj( $field, 'multipleFiles') ) {
$input_name = 'input_' . $field->id;
//uploaded
$file_names = isset( GFFormsModel::$uploaded_files[ $validation_results['form']['id'] ][ $input_name ] ) ? GFFormsModel::$uploaded_files[ $validation_results['form']['id'] ][ $input_name ] : array();
//existent
$entry = $this->get_entry();
$value = NULL;
if( isset( $entry[ $field->id ] ) ) {
$value = json_decode( $entry[ $field->id ], true );
}
// count uploaded files and existent entry files
$count_files = count( $file_names ) + count( $value );
if( $count_files > $field->maxFiles ) {
$field->validation_message = __( 'Maximum number of files reached', 'gravityview' );
$field->failed_validation = 1;
$gv_valid = false;
// in case of error make sure the newest upload files are removed from the upload input
GFFormsModel::$uploaded_files[ $validation_results['form']['id'] ] = null;
}
}
break;
}
// This field has failed validation.
if( !empty( $field->failed_validation ) ) {
do_action( 'gravityview_log_debug', 'GravityView_Edit_Entry[custom_validation] Field is invalid.', array( 'field' => $field, 'value' => $value ) );
switch ( $field_type ) {
// Captchas don't need to be re-entered.
case 'captcha':
// Post Image fields aren't editable, so we un-fail them.
case 'post_image':
$field->failed_validation = false;
unset( $field->validation_message );
break;
}
// You can't continue inside a switch, so we do it after.
if( empty( $field->failed_validation ) ) {
continue;
}
// checks if the No Duplicates option is not validating entry against itself, since
// we're editing a stored entry, it would also assume it's a duplicate.
if( !empty( $field->noDuplicates ) ) {
$entry = $this->get_entry();
// If the value of the entry is the same as the stored value
// Then we can assume it's not a duplicate, it's the same.
if( !empty( $entry ) && $value == $entry[ $field->id ] ) {
//if value submitted was not changed, then don't validate
$field->failed_validation = false;
unset( $field->validation_message );
do_action('gravityview_log_debug', 'GravityView_Edit_Entry[custom_validation] Field not a duplicate; it is the same entry.', $entry );
continue;
}
}
// if here then probably we are facing the validation 'At least one field must be filled out'
if( GFFormDisplay::is_empty( $field, $this->form_id ) && empty( $field->isRequired ) ) {
unset( $field->validation_message );
$field->validation_message = false;
continue;
}
$gv_valid = false;
}
}
$validation_results['is_valid'] = $gv_valid;
do_action('gravityview_log_debug', 'GravityView_Edit_Entry[custom_validation] Validation results.', $validation_results );
// We'll need this result when rendering the form ( on GFFormDisplay::get_form )
$this->form_after_validation = $validation_results['form'];
return $validation_results;
}
/**
* TODO: This seems to be hacky... we should remove it. Entry is set when updating the form using setup_vars()!
* Get the current entry and set it if it's not yet set.
* @return array Gravity Forms entry array
*/
public function get_entry() {
if( empty( $this->entry ) ) {
// Get the database value of the entry that's being edited
$this->entry = gravityview_get_entry( GravityView_frontend::is_single_entry() );
}
return $this->entry;
}
// --- Filters
/**
* Get the Edit Entry fields as configured in the View
*
* @since 1.8
*
* @param int $view_id
*
* @return array Array of fields that are configured in the Edit tab in the Admin
*/
private function get_configured_edit_fields( $form, $view_id ) {
// Get all fields for form
$properties = GravityView_View_Data::getInstance()->get_fields( $view_id );
// If edit tab not yet configured, show all fields
$edit_fields = !empty( $properties['edit_edit-fields'] ) ? $properties['edit_edit-fields'] : NULL;
// Hide fields depending on admin settings
$fields = $this->filter_fields( $form['fields'], $edit_fields );
// If Edit Entry fields are configured, remove adminOnly field settings. Otherwise, don't.
$fields = $this->filter_admin_only_fields( $fields, $edit_fields, $form, $view_id );
/**
* @filter `gravityview/edit_entry/form_fields` Modify the fields displayed in Edit Entry form
* @since 1.17
* @param GF_Field[] $fields Gravity Forms form fields
* @param array|null $edit_fields Fields for the Edit Entry tab configured in the View Configuration
* @param array $form GF Form array (`fields` key modified to have only fields configured to show in Edit Entry)
* @param int $view_id View ID
*/
$fields = apply_filters( 'gravityview/edit_entry/form_fields', $fields, $edit_fields, $form, $view_id );
return $fields;
}
/**
* Filter area fields based on specified conditions
* - This filter removes the fields that have calculation configured
*
* @uses GravityView_Edit_Entry::user_can_edit_field() Check caps
* @access private
* @param GF_Field[] $fields
* @param array $configured_fields
* @since 1.5
* @return array $fields
*/
private function filter_fields( $fields, $configured_fields ) {
if( empty( $fields ) || !is_array( $fields ) ) {
return $fields;
}
$edit_fields = array();
$field_type_blacklist = $this->loader->get_field_blacklist( $this->entry );
// First, remove blacklist or calculation fields
foreach ( $fields as $key => $field ) {
// Remove the fields that have calculation properties and keep them to be used later
// @since 1.16.2
if( $field->has_calculation() ) {
$this->fields_with_calculation[] = $field;
// don't remove the calculation fields on form render.
}
if( in_array( $field->type, $field_type_blacklist ) ) {
unset( $fields[ $key ] );
}
}
// The Edit tab has not been configured, so we return all fields by default.
if( empty( $configured_fields ) ) {
return $fields;
}
// The edit tab has been configured, so we loop through to configured settings
foreach ( $configured_fields as $configured_field ) {
/** @var GF_Field $field */
foreach ( $fields as $field ) {
if( intval( $configured_field['id'] ) === intval( $field->id ) && $this->user_can_edit_field( $configured_field, false ) ) {
$edit_fields[] = $this->merge_field_properties( $field, $configured_field );
break;
}
}
}
return $edit_fields;
}
/**
* Override GF Form field properties with the ones defined on the View
* @param GF_Field $field GF Form field object
* @param array $field_setting GV field options
* @since 1.5
* @return array|GF_Field
*/
private function merge_field_properties( $field, $field_setting ) {
$return_field = $field;
if( empty( $field_setting['show_label'] ) ) {
$return_field->label = '';
} elseif ( !empty( $field_setting['custom_label'] ) ) {
$return_field->label = $field_setting['custom_label'];
}
if( !empty( $field_setting['custom_class'] ) ) {
$return_field->cssClass .= ' '. gravityview_sanitize_html_class( $field_setting['custom_class'] );
}
/**
* Normalize page numbers - avoid conflicts with page validation
* @since 1.6
*/
$return_field->pageNumber = 1;
return $return_field;
}
/**
* Remove fields that shouldn't be visible based on the Gravity Forms adminOnly field property
*
* @since 1.9.1
*
* @param array|GF_Field[] $fields Gravity Forms form fields
* @param array|null $edit_fields Fields for the Edit Entry tab configured in the View Configuration
* @param array $form GF Form array
* @param int $view_id View ID
*
* @return array Possibly modified form array
*/
private function filter_admin_only_fields( $fields = array(), $edit_fields = null, $form = array(), $view_id = 0 ) {
/**
* @filter `gravityview/edit_entry/use_gf_admin_only_setting` When Edit tab isn't configured, should the Gravity Forms "Admin Only" field settings be used to control field display to non-admins? Default: true
* If the Edit Entry tab is not configured, adminOnly fields will not be shown to non-administrators.
* If the Edit Entry tab *is* configured, adminOnly fields will be shown to non-administrators, using the configured GV permissions
* @since 1.9.1
* @param boolean $use_gf_adminonly_setting True: Hide field if set to Admin Only in GF and the user is not an admin. False: show field based on GV permissions, ignoring GF permissions.
* @param array $form GF Form array
* @param int $view_id View ID
*/
$use_gf_adminonly_setting = apply_filters( 'gravityview/edit_entry/use_gf_admin_only_setting', empty( $edit_fields ), $form, $view_id );
if( $use_gf_adminonly_setting && false === GVCommon::has_cap( 'gravityforms_edit_entries', $this->entry['id'] ) ) {
foreach( $fields as $k => $field ) {
if( $field->adminOnly ) {
unset( $fields[ $k ] );
}
}
return $fields;
}
foreach( $fields as &$field ) {
$field->adminOnly = false;
}
return $fields;
}
// --- Conditional Logic
/**
* Conditional logic isn't designed to work with forms that already have content. When switching input values,
* the dependent fields will be blank.
*
* Note: This is because GF populates a JavaScript variable with the input values. This is tough to filter at the input level;
* via the `gform_field_value` filter; it requires lots of legwork. Doing it at the form level is easier.
*
* @since 1.17.4
*
* @param array $form Gravity Forms array object
*
* @return array $form, modified to fix conditional
*/
function prefill_conditional_logic( $form ) {
if( ! GFFormDisplay::has_conditional_logic( $form ) ) {
return $form;
}
// Have Conditional Logic pre-fill fields as if the data were default values
/** @var GF_Field $field */
foreach ( $form['fields'] as &$field ) {
if( 'checkbox' === $field->type ) {
foreach ( $field->get_entry_inputs() as $key => $input ) {
$input_id = $input['id'];
$choice = $field->choices[ $key ];
$value = rgar( $this->entry, $input_id );
$match = RGFormsModel::choice_value_match( $field, $choice, $value );
if( $match ) {
$field->choices[ $key ]['isSelected'] = true;
}
}
} else {
// We need to run through each field to set the default values
foreach ( $this->entry as $field_id => $field_value ) {
if( floatval( $field_id ) === floatval( $field->id ) ) {
if( 'list' === $field->type ) {
$list_rows = maybe_unserialize( $field_value );
$list_field_value = array();
foreach ( (array) $list_rows as $row ) {
foreach ( (array) $row as $column ) {
$list_field_value[] = $column;
}
}
$field->defaultValue = serialize( $list_field_value );
} else {
$field->defaultValue = $field_value;
}
}
}
}
}
return $form;
}
/**
* Remove the conditional logic rules from the form button and the form fields, if needed.
*
* @todo Merge with caller method
* @since 1.9
*
* @param array $form Gravity Forms form
* @return array Modified form, if not using Conditional Logic
*/
private function filter_conditional_logic( $form ) {
/**
* @filter `gravityview/edit_entry/conditional_logic` Should the Edit Entry form use Gravity Forms conditional logic showing/hiding of fields?
* @since 1.9
* @param bool $use_conditional_logic True: Gravity Forms will show/hide fields just like in the original form; False: conditional logic will be disabled and fields will be shown based on configuration. Default: true
* @param array $form Gravity Forms form
*/
$use_conditional_logic = apply_filters( 'gravityview/edit_entry/conditional_logic', true, $form );
if( $use_conditional_logic ) {
return $form;
}
foreach( $form['fields'] as &$field ) {
/* @var GF_Field $field */
$field->conditionalLogic = null;
}
unset( $form['button']['conditionalLogic'] );
return $form;
}
/**
* Disable the Gravity Forms conditional logic script and features on the Edit Entry screen
*
* @since 1.9
*
* @param $has_conditional_logic
* @param $form
* @return mixed
*/
public function manage_conditional_logic( $has_conditional_logic, $form ) {
if( ! $this->is_edit_entry() ) {
return $has_conditional_logic;
}
/** @see GravityView_Edit_Entry_Render::filter_conditional_logic for filter documentation */
return apply_filters( 'gravityview/edit_entry/conditional_logic', $has_conditional_logic, $form );
}
// --- User checks and nonces
/**
* Check if the user can edit the entry
*
* - Is the nonce valid?
* - Does the user have the right caps for the entry
* - Is the entry in the trash?
*
* @todo Move to GVCommon
*
* @param boolean $echo Show error messages in the form?
* @return boolean True: can edit form. False: nope.
*/
private function user_can_edit_entry( $echo = false ) {
$error = NULL;
/**
* 1. Permalinks are turned off
* 2. There are two entries embedded using oEmbed
* 3. One of the entries has just been saved
*/
if( !empty( $_POST['lid'] ) && !empty( $_GET['entry'] ) && ( $_POST['lid'] !== $_GET['entry'] ) ) {
$error = true;
}
if( !empty( $_GET['entry'] ) && (string)$this->entry['id'] !== $_GET['entry'] ) {
$error = true;
} elseif( ! $this->verify_nonce() ) {
/**
* If the Entry is embedded, there may be two entries on the same page.
* If that's the case, and one is being edited, the other should fail gracefully and not display an error.
*/
if( GravityView_oEmbed::getInstance()->get_entry_id() ) {
$error = true;
} else {
$error = __( 'The link to edit this entry is not valid; it may have expired.', 'gravityview');
}
}
if( ! GravityView_Edit_Entry::check_user_cap_edit_entry( $this->entry ) ) {
$error = __( 'You do not have permission to edit this entry.', 'gravityview');
}
if( $this->entry['status'] === 'trash' ) {
$error = __('You cannot edit the entry; it is in the trash.', 'gravityview' );
}
// No errors; everything's fine here!
if( empty( $error ) ) {
return true;
}
if( $echo && $error !== true ) {
$error = esc_html( $error );
/**
* @since 1.9
*/
if ( ! empty( $this->entry ) ) {
$error .= ' ' . gravityview_get_link( '#', _x('Go back.', 'Link shown when invalid Edit Entry link is clicked', 'gravityview' ), array( 'onclick' => "window.history.go(-1); return false;" ) );
}
echo GVCommon::generate_notice( wpautop( $error ), 'gv-error error');
}
do_action('gravityview_log_error', 'GravityView_Edit_Entry[user_can_edit_entry]' . $error );
return false;
}
/**
* Check whether a field is editable by the current user, and optionally display an error message
* @uses GravityView_Edit_Entry->check_user_cap_edit_field() Check user capabilities
* @param array $field Field or field settings array
* @param boolean $echo Whether to show error message telling user they aren't allowed
* @return boolean True: user can edit the current field; False: nope, they can't.
*/
private function user_can_edit_field( $field, $echo = false ) {
$error = NULL;
// if( ! $this->check_user_cap_edit_field( $field ) ) {
// $error = __( 'You do not have permission to edit this field.', 'gravityview');
// }
// No errors; everything's fine here!
if( empty( $error ) ) {
return true;
}
if( $echo ) {
echo GVCommon::generate_notice( wpautop( esc_html( $error ) ), 'gv-error error');
}
do_action('gravityview_log_error', 'GravityView_Edit_Entry[user_can_edit_field]' . $error );
return false;
}
/**
* checks if user has permissions to edit a specific field
*
* Needs to be used combined with GravityView_Edit_Entry::user_can_edit_field for maximum security!!
*
* @param [type] $field [description]
* @return bool
*/
private function check_user_cap_edit_field( $field ) {
// If they can edit any entries (as defined in Gravity Forms), we're good.
if( GVCommon::has_cap( array( 'gravityforms_edit_entries', 'gravityview_edit_others_entries' ) ) ) {
return true;
}
$field_cap = isset( $field['allow_edit_cap'] ) ? $field['allow_edit_cap'] : false;
// If the field has custom editing capaibilities set, check those
if( $field_cap ) {
return GVCommon::has_cap( $field['allow_edit_cap'] );
}
return false;
}
/**
* Is the current nonce valid for editing the entry?
* @return boolean
*/
public function verify_nonce() {
// Verify form submitted for editing single
if( $this->is_edit_entry_submission() ) {
$valid = wp_verify_nonce( $_POST[ self::$nonce_field ], self::$nonce_field );
}
// Verify
else if( ! $this->is_edit_entry() ) {
$valid = false;
}
else {
$valid = wp_verify_nonce( $_GET['edit'], self::$nonce_key );
}
/**
* @filter `gravityview/edit_entry/verify_nonce` Override Edit Entry nonce validation. Return true to declare nonce valid.
* @since 1.13
* @param int|boolean $valid False if invalid; 1 or 2 when nonce was generated
* @param string $nonce_field Key used when validating submissions. Default: is_gv_edit_entry
*/
$valid = apply_filters( 'gravityview/edit_entry/verify_nonce', $valid, self::$nonce_field );
return $valid;
}
} //end class
@edheltzel
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comment out line 1910

        // if( ! $this->check_user_cap_edit_field( $field ) ) {
        //     $error = __( 'You do not have permission to edit this field.', 'gravityview');
        // }

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