class-gravityview-field-source-url.php

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<?php
/**
 * @file class-gravityview-field-source-url.php
 * @package GravityView
 * @subpackage includes\fields
 */

/**
 * Add custom options for source_url fields
 */
class GravityView_Field_Source_URL extends GravityView_Field {

 var $name = 'source_url';

 var $is_searchable = true;

 var $search_operators = array( 'is', 'isnot', 'contains', 'starts_with', 'ends_with' );

 var $group = 'meta';

 var $icon = 'dashicons-admin-links';

 public function __construct() {
 $this->label = esc_html__( 'Source URL', 'gk-gravityview' );
 $this->description = esc_html__( 'The URL of the page where the form was submitted.', 'gk-gravityview' );
 parent::__construct();
 }

 public function field_options( $field_options, $template_id, $field_id, $context, $input_type, $form_id ) {

 // Don't link to entry; doesn't make sense.
 unset( $field_options['show_as_link'] );

 if( 'edit' === $context ) {
 return $field_options;
 }

 $add_options = array();
 $add_options['link_to_source'] = array(
 'type' => 'checkbox',
 'label' => __( 'Link to URL:', 'gk-gravityview' ),
 'desc' => __('Display as a link to the Source URL', 'gk-gravityview'),
 'value' => false,
 'merge_tags' => false,
 );
 $add_options['source_link_text'] = array(
 'type' => 'text',
 'label' => __( 'Link Text:', 'gk-gravityview' ),
 'desc' => __('Customize the link text. If empty, the link text will be the URL.', 'gk-gravityview'),
 'value' => NULL,
 'merge_tags' => true,
 'requires' => 'link_to_source',
 );

 return $add_options + $field_options;
 }

}

new GravityView_Field_Source_URL;