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Fix conditional logic on radio and checkbox fields #38

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Fix conditional logic on radio and checkbox fields #38

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3a4ce98
pass the original form id, as well as the instance number of this par…
mellodave Jun 8, 2018
75a4926
fix bug where posted random ID was being applied to all forms on a pa…
mellodave Jun 8, 2018
1a2be2f
use the calculated instance number value
mellodave Jun 8, 2018
6477bc8
remove tmp file
mellodave Jun 8, 2018
e182751
Update gravityforms-multiple-form-instances.php
DragosMocrii Aug 29, 2018
218508e
Merge branch 'patch-2' of https://github.com/DragosMocrii/Gravity-For…
puremana Dec 1, 2020
7260ca2
Fix conditional on radio and checkbox fields
puremana Dec 1, 2020
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197 changes: 110 additions & 87 deletions gravityforms-multiple-form-instances.php
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Original file line number Diff line number Diff line change
Expand Up @@ -16,99 +16,122 @@
*/
class Gravity_Forms_Multiple_Form_Instances {

/**
* Constructor.
*
* Used to initialize the plugin and hook the related functionality.
*
* @access public
*/
public function __construct() {
// hook the HTML ID string find & replace functionality
add_filter( 'gform_get_form_filter', array( $this, 'gform_get_form_filter' ), 10, 2 );
add_filter( 'gform_confirmation', array( $this, 'gform_get_form_filter' ), 10, 2 );
}
/**
* Constructor.
*
* Used to initialize the plugin and hook the related functionality.
*
* @access public
*/
public function __construct() {
// hook the HTML ID string find & replace functionality
add_filter( 'gform_get_form_filter', array( $this, 'gform_get_form_filter' ), 10, 2 );
add_filter( 'gform_confirmation', array( $this, 'gform_get_form_filter' ), 10, 2 );
}

/**
* Replaces all occurences of the form ID with a new, unique ID.
*
* This is where the magic happens.
*
* @access public
*
* @param string $form_string The form HTML string.
* @param array $form Array with the form settings.
* @return string $form_string The modified form HTML string.
*/
public function gform_get_form_filter( $form_string, $form ) {
// if form has been submitted, use the submitted ID, otherwise generate a new unique ID
if ( isset( $_POST['gform_random_id'] ) ) {
$random_id = absint( $_POST['gform_random_id'] ); // Input var okay.
} else {
$random_id = mt_rand();
}
/**
* Replaces all occurences of the form ID with a new, unique ID.
*
* This is where the magic happens.
*
* @access public
*
* @param string $form_string The form HTML string.
* @param array $form Array with the form settings.
*
* @return string $form_string The modified form HTML string.
*/
public function gform_get_form_filter( $form_string, $form ) {
// if form has been submitted, use the submitted ID, otherwise generate a new unique ID
if ( isset( $_POST[ 'gform_random_id' ] ) ) {
$random_id = absint( $_POST[ 'gform_random_id' ] ); // Input var okay.
} else {
$random_id = mt_rand();
}

// this is where we keep our unique ID
$hidden_field = "<input type='hidden' name='gform_field_values'";
// this is where we keep our unique ID
$hidden_field = "<input type='hidden' name='gform_field_values'";

// define all occurences of the original form ID that wont hurt the form input
$strings = array(
' gform_wrapper' => ' gform_wrapper gform_wrapper_original_id_' . $form['id'],
"for='choice_" => "for='choice_" . $random_id . '_',
"id='label_" => "id='label_" . $random_id . '_',
"'gform_wrapper_" . $form['id'] . "'" => "'gform_wrapper_" . $random_id . "'",
"'gf_" . $form['id'] . "'" => "'gf_" . $random_id . "'",
"'gform_" . $form['id'] . "'" => "'gform_" . $random_id . "'",
"'gform_ajax_frame_" . $form['id'] . "'" => "'gform_ajax_frame_" . $random_id . "'",
'#gf_' . $form['id'] . "'" => '#gf_' . $random_id . "'",
"'gform_fields_" . $form['id'] . "'" => "'gform_fields_" . $random_id . "'",
"id='field_" . $form['id'] . '_' => "id='field_" . $random_id . '_',
"for='input_" . $form['id'] . '_' => "for='input_" . $random_id . '_',
"id='input_" . $form['id'] . '_' => "id='input_" . $random_id . '_',
"id='choice_" . $form['id'] . '_' => "id='choice_" . $random_id . '_',
"'gform_submit_button_" . $form['id'] . "'" => "'gform_submit_button_" . $random_id . "'",
'"gf_submitting_' . $form['id'] . '"' => '"gf_submitting_' . $random_id . '"',
"'gf_submitting_" . $form['id'] . "'" => "'gf_submitting_" . $random_id . "'",
'#gform_ajax_frame_' . $form['id'] => '#gform_ajax_frame_' . $random_id,
'#gform_wrapper_' . $form['id'] => '#gform_wrapper_' . $random_id,
'#gform_' . $form['id'] => '#gform_' . $random_id,
"trigger('gform_post_render', [" . $form['id'] => "trigger('gform_post_render', [" . $random_id,
'gformInitSpinner( ' . $form['id'] . ',' => 'gformInitSpinner( ' . $random_id . ',',
"trigger('gform_page_loaded', [" . $form['id'] => "trigger('gform_page_loaded', [" . $random_id,
"'gform_confirmation_loaded', [" . $form['id'] . ']' => "'gform_confirmation_loaded', [" . $random_id . ']',
'gf_apply_rules(' . $form['id'] . ',' => 'gf_apply_rules(' . $random_id . ',',
'gform_confirmation_wrapper_' . $form['id'] => 'gform_confirmation_wrapper_' . $random_id,
'gforms_confirmation_message_' . $form['id'] => 'gforms_confirmation_message_' . $random_id,
'gform_confirmation_message_' . $form['id'] => 'gform_confirmation_message_' . $random_id,
'if(formId == ' . $form['id'] . ')' => 'if(formId == ' . $random_id . ')',
"window['gf_form_conditional_logic'][" . $form['id'] . ']' => "window['gf_form_conditional_logic'][" . $random_id . ']',
"trigger('gform_post_conditional_logic', [" . $form['id'] . ',' => "trigger('gform_post_conditional_logic', [" . $random_id . ',',
'gformShowPasswordStrength("input_' . $form['id'] . '_' => 'gformShowPasswordStrength("input_' . $random_id . '_',
"gformInitChosenFields('#input_" . $form['id'] . '_' => "gformInitChosenFields('#input_" . $random_id . '_',
"jQuery('#input_" . $form['id'] . '_' => "jQuery('#input_" . $random_id . '_',
'gforms_calendar_icon_input_' . $form['id'] . '_' => 'gforms_calendar_icon_input_' . $random_id . '_',
"id='ginput_base_price_" . $form['id'] . '_' => "id='ginput_base_price_" . $random_id . '_',
"id='ginput_quantity_" . $form['id'] . '_' => "id='ginput_quantity_" . $random_id . '_',
'gfield_price_' . $form['id'] . '_' => 'gfield_price_' . $random_id . '_',
'gfield_quantity_' . $form['id'] . '_' => 'gfield_quantity_' . $random_id . '_',
'gfield_product_' . $form['id'] . '_' => 'gfield_product_' . $random_id . '_',
'ginput_total_' . $form['id'] => 'ginput_total_' . $random_id,
'GFCalc(' . $form['id'] . ',' => 'GFCalc(' . $random_id . ',',
'gf_global["number_formats"][' . $form['id'] . ']' => 'gf_global["number_formats"][' . $random_id . ']',
'gform_next_button_' . $form['id'] . '_' => 'gform_next_button_' . $random_id . '_',
$hidden_field => "<input type='hidden' name='gform_random_id' value='" . $random_id . "' />" . $hidden_field,
);
// define all occurences of the original form ID that wont hurt the form input
$strings = array(
' gform_wrapper' => ' gform_wrapper gform_wrapper_original_id_' . $form[ 'id' ],
"for='choice_" . $form[ 'id' ] . '_' => "for='choice_" . $random_id . '_',
"id='choice_". $form[ 'id' ] . '_' => "id='choice_" . $random_id . '_',
"id='label_" . $form[ 'id' ] . '_' => "id='label_" . $random_id . '_',
"'gform_wrapper_" . $form[ 'id' ] . "'" => "'gform_wrapper_" . $random_id . "'",
"'gf_" . $form[ 'id' ] . "'" => "'gf_" . $random_id . "'",
"'gform_" . $form[ 'id' ] . "'" => "'gform_" . $random_id . "'",
"'gform_ajax_frame_" . $form[ 'id' ] . "'" => "'gform_ajax_frame_" . $random_id . "'",
'#gf_' . $form[ 'id' ] . "'" => '#gf_' . $random_id . "'",
"id='gform_fields_" . $form[ 'id' ] => "id='gform_fields_" . $random_id,
"id='field_" . $form[ 'id' ] . '_' => "id='field_" . $random_id . '_',
"for='input_" . $form[ 'id' ] . '_' => "for='input_" . $random_id . '_',
"id='input_" . $form[ 'id' ] . '_' => "id='input_" . $random_id . '_',
"'gform_submit_button_" . $form[ 'id' ] . "'" => "'gform_submit_button_" . $random_id . "'",
'"gf_submitting_' . $form[ 'id' ] . '"' => '"gf_submitting_' . $random_id . '"',
"'gf_submitting_" . $form[ 'id' ] . "'" => "'gf_submitting_" . $random_id . "'",
'#gform_ajax_frame_' . $form[ 'id' ] => '#gform_ajax_frame_' . $random_id,
'#gform_wrapper_' . $form[ 'id' ] => '#gform_wrapper_' . $random_id,
'#gform_' . $form[ 'id' ] => '#gform_' . $random_id,
"trigger('gform_post_render', [" . $form[ 'id' ] => "trigger('gform_post_render', [" . $random_id,
'gformInitSpinner( ' . $form[ 'id' ] . ',' => 'gformInitSpinner( ' . $random_id . ',',
"trigger('gform_page_loaded', [" . $form[ 'id' ] => "trigger('gform_page_loaded', [" . $random_id,
"'gform_confirmation_loaded', [" . $form[ 'id' ] . ']' => "'gform_confirmation_loaded', [" . $random_id . ']',
'gf_apply_rules(' . $form[ 'id' ] . ',' => 'gf_apply_rules(' . $random_id . ',',
'gform_confirmation_wrapper_' . $form[ 'id' ] => 'gform_confirmation_wrapper_' . $random_id,
'gforms_confirmation_message_' . $form[ 'id' ] => 'gforms_confirmation_message_' . $random_id,
'gform_confirmation_message_' . $form[ 'id' ] => 'gform_confirmation_message_' . $random_id,
'if(formId == ' . $form[ 'id' ] . ')' => 'if(formId == ' . $random_id . ')',
"window['gf_form_conditional_logic'][" . $form[ 'id' ] . ']' => "window['gf_form_conditional_logic'][" . $random_id . ']',
"trigger('gform_post_conditional_logic', [" . $form[ 'id' ] . ',' => "trigger('gform_post_conditional_logic', [" . $random_id . ',',
'gformShowPasswordStrength("input_' . $form[ 'id' ] . '_' => 'gformShowPasswordStrength("input_' . $random_id . '_',
"gformInitChosenFields('#input_" . $form[ 'id' ] . '_' => "gformInitChosenFields('#input_" . $random_id . '_',
"jQuery('#input_" . $form[ 'id' ] . '_' => "jQuery('#input_" . $random_id . '_',
'gforms_calendar_icon_input_' . $form[ 'id' ] . '_' => 'gforms_calendar_icon_input_' . $random_id . '_',
"id='ginput_base_price_" . $form[ 'id' ] . '_' => "id='ginput_base_price_" . $random_id . '_',
"id='ginput_quantity_" . $form[ 'id' ] . '_' => "id='ginput_quantity_" . $random_id . '_',
'gfield_price_' . $form[ 'id' ] . '_' => 'gfield_price_' . $random_id . '_',
'gfield_quantity_' . $form[ 'id' ] . '_' => 'gfield_quantity_' . $random_id . '_',
'gfield_product_' . $form[ 'id' ] . '_' => 'gfield_product_' . $random_id . '_',
'ginput_total_' . $form[ 'id' ] => 'ginput_total_' . $random_id,
'GFCalc(' . $form[ 'id' ] . ',' => 'GFCalc(' . $random_id . ',',
'gf_global["number_formats"][' . $form[ 'id' ] . ']' => 'gf_global["number_formats"][' . $random_id . ']',
'gform_next_button_' . $form[ 'id' ] . '_' => 'gform_next_button_' . $random_id . '_',
$hidden_field => "<input type='hidden' name='gform_random_id' value='" . $random_id . "' />" . $hidden_field,
//multi-page forms
"id='gform_page_" . $form[ 'id' ] => "id='gform_page_" . $random_id,
"id='gform_previous_button_" . $form[ 'id' ] => "id='gform_previous_button_" . $random_id,
"id='gform_next_button_" . $form[ 'id' ] => "id='gform_next_button_" . $random_id,
'#gform_target_page_number_' . $form[ 'id' ] => '#gform_target_page_number_' . $random_id,
'id=\'gform_target_page_number_' . $form[ 'id' ] => 'id=\'gform_target_page_number_' . $random_id,
'#gform_source_page_number_' . $form[ 'id' ] => '#gform_source_page_number_' . $random_id,
'id=\'gform_source_page_number_' . $form[ 'id' ] => 'id=\'gform_source_page_number_' . $random_id,
"id='gf_page_steps_" . $form[ 'id' ] => "id='gf_page_steps_" . $random_id,
"id='gf_step_" . $form[ 'id' ] . "_" => "id='gf_step_" . $random_id . "_"
);

// allow addons & plugins to add additional find & replace strings
$strings = apply_filters( 'gform_multiple_instances_strings', $strings, $form['id'], $random_id );
$regex_strings = [
'/(?<=gformInitChosenFields\(\'|,\G)(?:#input_[0-9]+_([0-9]+)(,?))/m' => '#input_' . $random_id . '_$1$2'
];

// replace all occurences with the new unique ID
foreach ( $strings as $find => $replace ) {
$form_string = str_replace( $find, $replace, $form_string );
}
// allow addons & plugins to add additional find & replace strings
$strings = apply_filters( 'gform_multiple_instances_strings', $strings, $form[ 'id' ], $random_id );
// allow addons & plugins to add additional regex find & replace strings
$regex_strings = apply_filters( 'gform_multiple_instances_regex_strings', $regex_strings, $form[ 'id' ],
$random_id );

return $form_string;
}
// replace all occurences with the new unique ID
foreach ( $strings as $find => $replace ) {
$form_string = str_replace( $find, $replace, $form_string );
}
// replace all occurences with the new unique ID (using regex)
foreach ( $regex_strings as $find => $replace ) {
$form_string = preg_replace( $find, $replace, $form_string );
}


return $form_string;
}

}

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