287 lines
5.7 KiB
PHP
287 lines
5.7 KiB
PHP
<?php
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if( ! class_exists('acf_field_link') ) :
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class acf_field_link extends acf_field {
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/*
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* __construct
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*
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function initialize() {
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// vars
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$this->name = 'link';
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$this->label = __("Link",'acf');
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$this->category = 'relational';
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$this->defaults = array(
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'return_format' => 'array',
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);
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}
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/*
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* get_link
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*
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* description
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*
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* @type function
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* @date 16/5/17
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* @since 5.5.13
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function get_link( $value = '' ) {
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// vars
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$link = array(
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'title' => '',
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'url' => '',
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'target' => ''
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);
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// array (ACF 5.6.0)
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if( is_array($value) ) {
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$link = array_merge($link, $value);
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// post id (ACF < 5.6.0)
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} elseif( is_numeric($value) ) {
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$link['title'] = get_the_title( $value );
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$link['url'] = get_permalink( $value );
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// string (ACF < 5.6.0)
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} elseif( is_string($value) ) {
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$link['url'] = $value;
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}
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// return
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return $link;
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
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*
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* @param $field - an array holding all the field's data
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*/
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function render_field( $field ){
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// vars
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$div = array(
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'id' => $field['id'],
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'class' => $field['class'] . ' acf-link',
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);
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// render scripts/styles
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acf_enqueue_uploader();
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// get link
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$link = $this->get_link( $field['value'] );
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// classes
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if( $link['url'] ) {
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$div['class'] .= ' -value';
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}
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if( $link['target'] === '_blank' ) {
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$div['class'] .= ' -external';
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}
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/*<textarea id="<?php echo esc_attr($field['id']); ?>-textarea"><?php
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echo esc_textarea('<a href="'.$link['url'].'" target="'.$link['target'].'">'.$link['title'].'</a>');
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?></textarea>*/
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?>
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<div <?php acf_esc_attr_e($div); ?>>
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<div class="acf-hidden">
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<a class="link-node" href="<?php echo esc_url($link['url']); ?>" target="<?php echo esc_attr($link['target']); ?>"><?php echo esc_html($link['title']); ?></a>
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<?php foreach( $link as $k => $v ): ?>
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<?php acf_hidden_input(array( 'class' => "input-$k", 'name' => $field['name'] . "[$k]", 'value' => $v )); ?>
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<?php endforeach; ?>
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</div>
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<a href="#" class="button" data-name="add" target=""><?php _e('Select Link', 'acf'); ?></a>
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<div class="link-wrap">
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<span class="link-title"><?php echo esc_html($link['title']); ?></span>
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<a class="link-url" href="<?php echo esc_url($link['url']); ?>" target="_blank"><?php echo esc_html($link['url']); ?></a>
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<i class="acf-icon -link-ext acf-js-tooltip" title="<?php _e('Opens in a new window/tab', 'acf'); ?>"></i><?php
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?><a class="acf-icon -pencil -clear acf-js-tooltip" data-name="edit" href="#" title="<?php _e('Edit', 'acf'); ?>"></a><?php
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?><a class="acf-icon -cancel -clear acf-js-tooltip" data-name="remove" href="#" title="<?php _e('Remove', 'acf'); ?>"></a>
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</div>
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</div>
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<?php
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}
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/*
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* render_field_settings()
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*
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* Create extra options for your field. This is rendered when editing a field.
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* The value of $field['name'] can be used (like bellow) to save extra data to the $field
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field - an array holding all the field's data
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*/
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function render_field_settings( $field ) {
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// return_format
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acf_render_field_setting( $field, array(
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'label' => __('Return Value','acf'),
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'instructions' => __('Specify the returned value on front end','acf'),
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'type' => 'radio',
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'name' => 'return_format',
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'layout' => 'horizontal',
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'choices' => array(
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'array' => __("Link Array",'acf'),
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'url' => __("Link URL",'acf'),
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)
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));
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}
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/*
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* format_value()
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*
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* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value (mixed) the value which was loaded from the database
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* @param $post_id (mixed) the $post_id from which the value was loaded
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* @param $field (array) the field array holding all the field options
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*
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* @return $value (mixed) the modified value
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*/
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function format_value( $value, $post_id, $field ) {
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// bail early if no value
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if( empty($value) ) return $value;
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// get link
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$link = $this->get_link( $value );
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// format value
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if( $field['return_format'] == 'url' ) {
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return $link['url'];
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}
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// return link
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return $link;
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}
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/*
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* validate_value
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*
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* description
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*
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* @type function
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* @date 11/02/2014
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* @since 5.0.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function validate_value( $valid, $value, $field, $input ){
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// bail early if not required
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if( !$field['required'] ) return $valid;
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// URL is required
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if( empty($value) || empty($value['url']) ) {
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return false;
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}
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// return
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return $valid;
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}
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/*
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* update_value()
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*
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* This filter is appied to the $value before it is updated in the db
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value - the value which will be saved in the database
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* @param $post_id - the $post_id of which the value will be saved
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* @param $field - the field array holding all the field options
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*
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* @return $value - the modified value
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*/
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function update_value( $value, $post_id, $field ) {
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// Check if value is an empty array and convert to empty string.
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if( empty($value) || empty($value['url']) ) {
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$value = "";
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}
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// return
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return $value;
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}
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}
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// initialize
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acf_register_field_type( 'acf_field_link' );
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endif; // class_exists check
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?>
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