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<?php
/*
* Conditional display code.
*/
require_once WPCF_EMBEDDED_ABSPATH . '/includes/conditional-display.php';
add_filter( 'wpcf_form_field', 'wpcf_cd_form_field_filter', 10, 2 );
add_filter( 'wpcf_field_pre_save', 'wpcf_cd_field_pre_save_filter' );
add_filter( 'wpcf_group_pre_save', 'wpcf_cd_group_pre_save_filter' );
add_filter( 'wpcf_fields_form_additional_filters', 'wpcf_cd_fields_form_additional_filters', 10, 2 );
add_action( 'wpcf_save_group', 'wpcf_cd_save_group_action' );
/**
* Filters group field form.
*
* @param type $form
* @param type $data
* @return type
*/
function wpcf_cd_form_field_filter( $form, $data )
{
if ( defined( 'DOING_AJAX' ) && isset( $_SERVER['HTTP_REFERER'] ) ) {
parse_str( $_SERVER['HTTP_REFERER'], $vars );
} else if ( isset( $_GET['group_id'] ) ) {
$vars = array();
$vars['group_id'] = sanitize_text_field( $_GET['group_id'] );
}
/**
* no group_id
* new group or new field
*/
if (!isset( $data['group_id'] ) ) {
return $form + array(
'cd_not_available' => array(
'#type' => 'notice',
'#title' => __( 'Conditional display', 'wpcf' ),
'#markup' => __( 'You will be able to set conditional field display once this group is saved.', 'wpcf' ),
'#pattern' => '<tr class="wpcf-border-top"><td><LABEL></td><td><ERROR><BEFORE><ELEMENT><AFTER>',
),
);
}
/**
* Sanitize form
*/
if ( !is_array($form) ) {
$form = array();
}
$form = $form + wpcf_cd_admin_form_filter( $form, $data );
return $form;
}
/**
* Group pre-save filter.
*
* @param array $data
* @return array
*/
function wpcf_cd_group_pre_save_filter( $data ) {
return wpcf_cd_field_pre_save_filter( $data );
}
/**
* Field pre-save filter.
*
* @param array $data
* @return array
*/
function wpcf_cd_field_pre_save_filter( $data ) {
if ( empty( $data['conditional_display'] ) ) {
$data['conditional_display'] = array();
} else if ( !empty( $data['conditional_display']['conditions'] ) ) {
foreach ( $data['conditional_display']['conditions'] as $k => $condition ) {
if ( !array_key_exists( 'field', $condition ) ) {
continue;
}
$field = wpcf_admin_fields_get_field( $condition['field'] );
if ( !empty( $field ) ) {
// Date conversions
if ( $field['type'] == 'date'
&& isset( $condition['date'] )
&& isset( $condition['month'] )
&& isset( $condition['year'] )
) {
$time = adodb_mktime( 0, 0, 0, $condition['month'], $condition['date'], $condition['year'] );
if ( wpcf_fields_date_timestamp_is_valid( $time ) ) {
$condition['value'] = $time;
}
}
if ( isset( $condition['date'] ) && isset( $condition['month'] ) && isset( $condition['year'] )
) {
unset( $condition['date'], $condition['month'], $condition['year'] );
}
$data['conditional_display']['conditions'][$k] = $condition;
}
}
}
return $data;
}
/**
* Conditional display form.
*
* @param array $form form data
* @param array $data
* @param bool|mixed $group
*
* @return array
*/
function wpcf_cd_admin_form_filter( $form, $data, $group = false )
{
$meta_type = isset($data['meta_type'])? $data['meta_type']:'postmeta';
if ( $group ) {
$name = 'wpcf[group][conditional_display]';
} else {
$name = 'wpcf[fields][' . $data['id'] . '][conditional_display]';
}
// Count
if ( !empty( $data['data']['conditional_display']['conditions'] ) ) {
$conditions = $data['data']['conditional_display']['conditions'];
$count = count( $conditions );
$_count_txt = $count;
} else {
$_count_txt = '';
$count = 1;
}
/**
* state of conditional display custom use
*/
$use_custom_logic = false;
if (
true
&& array_key_exists( 'data', $data )
&& is_array( $data['data'] )
&& array_key_exists( 'conditional_display', $data['data'] )
&& is_array( $data['data']['conditional_display'] )
&& array_key_exists( 'custom_use', $data['data']['conditional_display'] )
&& !empty( $data['data']['conditional_display']['custom_use'] )
) {
$use_custom_logic = true;
}
if ( $group ) {
$form['group-open'] = array(
'#type' => 'markup',
'#markup' => '<div class="wpcf-filter-container js-wpcf-filter-container">',
);
}
/**
* custom use
*/
$form['cd-custom_use'] = array(
'#type' => 'hidden',
'#name' => 'custom_use',
'#default_value' => isset( $data['data']['conditional_display']['custom_use'] ),
'#attributes' => array(
'class' => 'conditional-display-custom-use',
'wpcf-field' => '#form',
'wpcf-field-name' => 'custom_use',
),
'#value' => $use_custom_logic,
);
if ( $group ) {
$form['cd-open'] = array(
'#type' => 'markup',
'#markup' => sprintf(
'<h3>%s</h3>',
__('Data-dependent display filters', 'wpcf')
),
);
$form['cd-open-description'] = array(
'#type' => 'markup',
'#markup' => sprintf(
'<p class="description">%s</p>',
__('Specify additional filters that control this Field Group\'s display, based on values of Post Fields.', 'wpcf')
),
);
} else {
// We will display a message that this functionality is not supported.
switch( $meta_type ) {
case 'usermeta':
$message = __('Conditional display is not supported for User fields.', 'wpcf');
break;
case 'termmeta':
$message = __('Conditional display is not supported for Term fields.', 'wpcf');
break;
default:
$message = '';
break;
}
$form['cd-open'] = array(
'#type' => 'markup',
'#title' => __( 'Conditional display', 'wpcf' ),
'#markup' => $message,
'#inline' => true,
'#pattern' => '<tr class="wpcf-border-top"><td><LABEL></td><td><ERROR><BEFORE><ELEMENT><AFTER>',
);
}
$current = wpcf_conditional_get_curent($data);
if ( empty( $current ) && !isset($data['id'])) {
$form['alert'] = array(
'#type' => 'notice',
'#markup' => __( 'Please save first, before you can edit the conditional display.', 'wpcf' ),
);
} else {
$add_edit_condition_button = false;
$action = $nonce = '';
$classes = array('js-wpcf-condition-button-edit');
switch( $meta_type ) {
case 'postmeta':
$action = 'wpcf_edit_field_condition_get';
$nonce = wp_create_nonce('wpcf-conditional-get-'.$data['id']);
$add_edit_condition_button = true;
break;
case 'custom_fields_group':
$action = 'wpcf_edit_custom_field_group_get';
$nonce = wp_create_nonce('wpcf-conditional-get-'.$data['group_id']);
$add_edit_condition_button = true;
$classes[] = 'alignright';
break;
}
if ( $add_edit_condition_button ) {
$form['cd-button'] = array(
'#name' => 'cd-button',
'#type' => 'button',
'#before' => sprintf(
'<span class="js-wpcf-condition-preview">%s</span><span class="js-wpcf-condition-data"></span>',
$current
),
'#value' => empty( $current ) ? __( 'Set condition(s)', 'wpcf' ) : __( 'Edit condition(s)', 'wpcf' ),
'#attributes' => array(
'class' => implode(' ', $classes),
'data-wpcf-meta-type' => $meta_type,
'data-wpcf-action' => $action,
'data-wpcf-id' => $data['id'],
'data-wpcf-group-id' => isset($data['group_id'])? $data['group_id']:0,
'data-wpcf-group' => $group,
'data-wpcf-nonce' => $nonce,
'data-wpcf-buttons-apply-nonce' => wp_create_nonce('wpcf-conditional-apply-'.$data['group_id']),
'data-wpcf-buttons-apply' => esc_attr__('Apply', 'wpcf'),
'data-wpcf-buttons-cancel' => esc_attr__('Cancel', 'wpcf'),
'data-wpcf-dialog-title' => esc_attr__('Data-dependent display filters', 'wpcf'),
'data-wpcf-message-loading' => esc_attr__('Please Wait, Loading…', 'wpcf'),
'data-wpcf-label-set-conditions' => __( 'Set condition(s)', 'wpcf' ),
'data-wpcf-label-edit-condition' => __( 'Edit condition(s)', 'wpcf' )
),
);
}
}
if ( $group ) {
$form['cd-close'] = array(
'#type' => 'markup',
'#markup' => '</div>',
);
} else {
$form['cd-close'] = array(
'#type' => 'markup',
'#markup' => '',
'#inline' => true,
'#pattern' => '</td></tr>',
);
}
return $form;
}
/**
* Single condition form elements.
*
* @param type $data
* @param type $condition
* @param type $key
* @return string
*/
function wpcf_cd_admin_form_single_filter( $data, $condition, $key = null, $group = false, $force_multi = false )
{
global $wpcf;
$name = 'wpcf[group][conditional_display]';
if ( !$group ) {
$name = 'wpcf[fields][' . $data['id'] . '][conditional_display]';
}
$group_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : false;
/*
*
*
* TODO Review this allowing fields from same group as conditional (self loop)
* I do not remember allowing fields from same group as conditional (self loop)
* on Group Fields edit screen.
*/
$fields = wpcf_admin_fields_get_fields(true, false, true);
ksort( $fields, SORT_STRING );
if ( $group ) {
$_distinct = wpcf_admin_fields_get_fields_by_group( $group_id );
foreach ( $_distinct as $_field_id => $_field ) {
if ( isset( $fields[$_field_id] ) ) {
unset( $fields[$_field_id] );
}
}
}
$options = array();
$ignore_field_type_array = array(
'audio',
'checkboxes',
'embed',
'file',
'image',
'video',
'wysiwyg',
);
$flag_repetitive = false;
foreach ( $fields as $field_id => $field ) {
if ( !$group && isset( $data['id'] ) && $data['id'] == $field_id ) {
continue;
}
// WE DO NOT ALLOW repetitive fields to be compared.
if ( wpcf_admin_is_repetitive( $field ) ) {
$flag_repetitive = true;
continue;
}
/**
* Skip some files
*/
if ( in_array( $field['type'], $ignore_field_type_array ) ) {
continue;
}
/**
* build options
*/
$options[$field_id] = array(
'#value' => $field_id,
'#title' => stripslashes( $field['name'] ),
'#attributes' => array('class' => 'wpcf-conditional-select-' . $field['type']),
);
}
/**
* add placeholder
*/
if ( !empty($options) ) {
array_unshift(
$options,
array(
'#title' => __('Select Custom Field', 'wpcf'),
'#value' => '',
)
);
}
/*
* Special case
* https://icanlocalize.basecamphq.com/projects/7393061-wp-views/todo_items/153565054/comments
*
* When field is new and only one diff field in list - that
* means one field is saved but other not yet.
*/
$is_new = isset( $data['id'] ) && isset( $fields[$data['id']] ) ? false : true;
$special_stop = false;
if ( $is_new ) {
if ( count( $options ) == 1 ) {
$special_stop = true;
}
}
/*
* This means all fields are repetitive and no one left to compare with.
* WE DO NOT ALLOW repetitive fields to be compared.
*/
if ( empty( $options ) && $flag_repetitive ) {
return array(
'cd' => array(
'#type' => 'markup',
'#markup' => '<p class="js-wpcf-received-error wpcf-error">' . __( 'Conditional display is only working based on non-repeating fields. All fields in this group are repeating, so you cannot set their display based on other fields.', 'wpcf' ) . '</p>' . wpcf_conditional_disable_add_js( $data['id'] ),
)
);
} else {
if ( empty( $options ) || $special_stop ) {
$error_message = $group
? __( 'You will be able to set conditional field display when you save more fields in other Field Groups.', 'wpcf' )
: __( 'You will be able to set conditional field display when you save more fields.', 'wpcf' );
return array(
'cd' => array(
'#type' => 'markup',
'#markup' => '<p class="js-wpcf-received-error wpcf-error">' . $error_message . '</p>',
)
);
}
}
$id = !is_null( $key ) ? $key : strval( 'condition_' . wpcf_unique_id( serialize( $data ) . serialize( $condition ) . $key . $group ) );
$form = array();
$form['cd']['row-open-field_' . $id] = array(
'#type' => 'markup',
'#markup' => '<tr class="wpcf-cd-entry">',
);
$form['cd']['field_' . $id] = array(
'#type' => 'select',
'#name' => $name . '[conditions][' . $id . '][field]',
'#options' => $options,
'#inline' => true,
'#default_value' => isset( $condition['field'] ) ? $condition['field'] : null,
'#before' => '<td>',
'#after' => '</td>',
'#attributes' => array(
'class' => 'js-wpcf-cd-field',
),
);
$form['cd']['operation_' . $id] = array(
'#type' => 'select',
'#name' => $name . '[conditions][' . $id . '][operation]',
'#options' => array_flip( wpcf_cd_admin_operations() ),
'#inline' => true,
'#default_value' => isset( $condition['operation'] ) ? $condition['operation'] : null,
'#before' => '<td>',
'#after' => '</td>',
'#attributes' => array(
'class' => 'js-wpcf-cd-operation',
),
);
$form['cd']['value_' . $id] = array(
'#type' => 'textfield',
'#name' => $name . '[conditions][' . $id . '][value]',
'#inline' => true,
'#value' => isset( $condition['value'] ) ? $condition['value'] : '',
'#attributes' => array(
'class' => 'js-wpcf-cd-value',
),
'#before' => '<td>',
);
/**
* disable for new
*/
if ( !isset($condition['field']) || empty($condition['field'])) {
$form['cd']['operation_' . $id]['#attributes']['disabled'] = true;
$form['cd']['value_' . $id]['#attributes']['disabled'] = true;
}
/*
*
* Adjust for date
*/
$visibility = 'hidden';
if (
true
&& isset($condition['field'])
&& isset( $fields[$condition['field']] )
&& isset( $fields[$condition['field']]['type'] )
&& 'date' == $fields[$condition['field']]['type']
&& !empty( $condition['value'] )
) {
WPCF_Loader::loadInclude( 'fields/date/functions.php' );
$timestamp = wpcf_fields_date_convert_datepicker_to_timestamp( $condition['value'] );
if ( $timestamp !== false ) {
$date_value = adodb_date( 'd', $timestamp ) . ',' . adodb_date( 'm', $timestamp ) . ',' . adodb_date( 'Y', $timestamp );
$date_function = 'date';
} else if ( wpcf_fields_date_timestamp_is_valid( $condition['value'] ) ) {
$date_value = adodb_date( 'd', $condition['value'] ) . ',' . adodb_date( 'm', $condition['value'] ) . ',' . adodb_date( 'Y', $condition['value'] );
$date_function = 'date';
}
$form['cd']['value_' . $id]['#attributes']['class'] .= ' hidden';;
$visibility = 'show';
}
if ( empty( $date_value ) ) {
$date_value = '';
$date_function = false;
}
$form['cd']['value_date_' . $id] = array(
'#type' => 'markup',
'#markup' => wpcf_conditional_add_date_controls( $date_function, $date_value, $name . '[conditions][' . $id . ']', $visibility ),
'#attributes' => array('class' => 'js-wpcf-cd-value-date'),
'#after' => '</td>',
);
$form['cd']['remove_' . $id] = array(
'#type' => 'markup',
'#markup' => sprintf(
'<a href="#" class="js-wpcf-custom-field-remove"><i class="dashicons dashicons-no"></i><span>%s</span></a>',
__( 'Remove condition', 'wpcf' )
),
'#pattern' => '<td><ELEMENT></td>',
);
$form['cd']['row-close-field_' . $id] = array(
'#type' => 'markup',
'#markup' => '</tr>',
);
return $form['cd'];
}
/**
* Group coditional display filter.
*
* @param type $filters
* @param type $update
* @return type
*/
function wpcf_cd_fields_form_additional_filters( $filters, $update ) {
$data = array();
$data['id'] = !empty( $update ) && isset($update['name'])? $update['name'] : wpcf_unique_id( serialize( $filters ) );
$data['group_id'] = $update['id'];
if ( $update ) {
$data['data']['conditional_display'] = maybe_unserialize( get_post_meta( $update['id'],
'_wpcf_conditional_display', true ) );
} else {
$data['data']['conditional_display'] = array();
}
$data['meta_type'] = isset( $update['meta_type'] )? $update['meta_type']:'unknown';
$filters = $filters + wpcf_cd_admin_form_filter( array(), $data, true );
return $filters;
}
/**
* Save group action hook.
*
* @param type $group
*/
function wpcf_cd_save_group_action( $group )
{
if ( !empty( $group['conditional_display']) && is_array($group['conditional_display']) ) {
$group['conditional_display'] = sanitize_text_field_recursively($group['conditional_display']);
update_post_meta( $group['id'], '_wpcf_conditional_display', $group['conditional_display'] );
} elseif (isset($group['id'])) {
delete_post_meta( $group['id'], '_wpcf_conditional_display' );
}
}
/**
* Triggers disabling 'Add Condition' button.
* @param type $id
* @return string
*/
function wpcf_conditional_disable_add_js( $id ) {
$js = '';
$js .= '<script type="text/javascript">
jQuery(document).ready(function(){wpcfDisableAddCondition(\''
. strtolower( $id ) . '\'); });
</script>
';
return $js;
}
/**
* Date select form for Group edit screen.
*
* @global type $wp_locale
* @param type $function
* @param type $value
* @param type $name
* @param string $visibility paramter decide about should we hide date inputs
* @return string
*
*/
function wpcf_conditional_add_date_controls( $function, $value, $name, $visibility = 'hidden' )
{
global $wp_locale;
if ( $function == 'date' ) {
$date_parts = explode( ',', $value );
$time_adj = adodb_mktime( 0, 0, 0, $date_parts[1], $date_parts[0], $date_parts[2] );
} else {
$time_adj = current_time( 'timestamp' );
}
$jj = adodb_gmdate( 'd', $time_adj );
$mm = adodb_gmdate( 'm', $time_adj );
$aa = adodb_gmdate( 'Y', $time_adj );
$output = sprintf(
'<div class="wpcf-custom-field-date %s">',
'hidden' == $visibility? 'hidden':''
);
$month = "<select name=\"" . $name . '[month]' . "\" >";
for ( $i = 1; $i < 13; $i = $i + 1 ) {
$monthnum = zeroise( $i, 2 );
$month .= '<option value="' . $monthnum . '"';
if ( $i == $mm )
$month .= ' selected="selected"';
$month .= '>' . $monthnum . '-'
. $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) )
. '</option>';
}
$month .= '</select>';
$day = '<input name="' . $name . '[date]" type="text" value="' . $jj . '" size="2" maxlength="2" autocomplete="off" />';
$year = '<input name="' . $name . '[year]" type="text" value="' . $aa . '" size="4" maxlength="4" autocomplete="off" />';
$output .= sprintf( __( '%1$s%2$s, %3$s', 'wpcf' ), $month, $day, $year );
$output .= '<div class="wpcf_custom_field_invalid_date wpcf-form-error"><p>' . __( 'Please enter a valid date here', 'wpcf' ) . '</p></div>';
$output .= '</div>';
return $output;
}
function wpcf_conditional_get_curent($data)
{
/**
* state of conditional display custom use
*/
if (
true
&& array_key_exists( 'data', $data )
&& is_array( $data['data'] )
&& array_key_exists( 'conditional_display', $data['data'] )
&& is_array( $data['data']['conditional_display'] )
&& array_key_exists( 'custom_use', $data['data']['conditional_display'] )
&& !empty( $data['data']['conditional_display']['custom_use'] )
) {
return '<ul><li>' . __( 'Custom logic', 'wpcf' ) . '</li></ul>';
}
$current = '';
if (
true
&& isset( $data['data']['conditional_display'])
&& isset( $data['data']['conditional_display']['conditions'])
&& !empty( $data['data']['conditional_display']['conditions'])
) {
$convert = wpcf_cd_admin_operations();
$all_types_fields = get_option( 'wpcf-fields', array() );
$current .= '<ul>';
foreach( $data['data']['conditional_display']['conditions'] as $condition ) {
if (
false
|| !isset($condition['field'])
|| !isset($all_types_fields[$condition['field']])
) {
continue;
}
$operation = __('unknown', 'wpcf');
if (
true
&& isset($condition['operation'])
&& isset($convert[$condition['operation']])
) {
$operation = $convert[$condition['operation']];
}
$value = isset($condition['value'])? $condition['value']:'';
/**
* handle date field
*/
if (
true
&& empty($value)
&& isset($all_types_fields[$condition['field']])
&& isset($all_types_fields[$condition['field']]['type'])
&& 'date' == $all_types_fields[$condition['field']]['type']
) {
$value = sprintf(
__( '%1$s%2$s, %3$s', 'wpcf' ),
$condition['month'],
$condition['date'],
$condition['year']
);
$value = date(
get_option( 'date_format' ),
mktime( 0, 0, 0, $condition['date'], $condition['month'], $condition['year'] )
);
}
/* remove operators description */
$operation = preg_replace( '#\([^)]+\)#', '', $operation );
$current .= sprintf(
'<li><span>%s %s %s</span></li>',
esc_html($all_types_fields[$condition['field']]['name']),
esc_html($operation),
esc_html($value)
);
}
$current .= '</ul>';
}
return $current;
}