241 lines
4.4 KiB
PHP
241 lines
4.4 KiB
PHP
<?php
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/*
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* ACF Text Area Field Class
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*
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* All the logic for this field type
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*
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* @class acf_field_textarea
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* @extends acf_field
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* @package ACF
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* @subpackage Fields
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*/
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if( ! class_exists('acf_field_textarea') ) :
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class acf_field_textarea 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 __construct() {
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// vars
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$this->name = 'textarea';
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$this->label = __("Text Area",'acf');
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$this->defaults = array(
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'default_value' => '',
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'new_lines' => '',
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'maxlength' => '',
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'placeholder' => '',
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'rows' => ''
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);
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// do not delete!
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parent::__construct();
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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( $field ) {
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// vars
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$atts = array();
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$o = array( 'id', 'class', 'name', 'placeholder', 'rows' );
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$s = array( 'readonly', 'disabled' );
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$e = '';
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// maxlength
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if( $field['maxlength'] ) {
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$o[] = 'maxlength';
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}
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// rows
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if( empty($field['rows']) ) {
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$field['rows'] = 8;
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}
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// append atts
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foreach( $o as $k ) {
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$atts[ $k ] = $field[ $k ];
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}
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// append special atts
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foreach( $s as $k ) {
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if( !empty($field[ $k ]) ) $atts[ $k ] = $k;
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}
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$e .= '<textarea ' . acf_esc_attr( $atts ) . ' >';
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$e .= esc_textarea( $field['value'] );
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$e .= '</textarea>';
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// return
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echo $e;
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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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* @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_settings( $field ) {
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// ACF4 migration
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if( empty($field['ID']) ) {
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$field['new_lines'] = 'wpautop';
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}
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// default_value
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acf_render_field_setting( $field, array(
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'label' => __('Default Value','acf'),
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'instructions' => __('Appears when creating a new post','acf'),
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'type' => 'textarea',
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'name' => 'default_value',
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));
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// placeholder
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acf_render_field_setting( $field, array(
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'label' => __('Placeholder Text','acf'),
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'instructions' => __('Appears within the input','acf'),
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'type' => 'text',
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'name' => 'placeholder',
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));
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// maxlength
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acf_render_field_setting( $field, array(
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'label' => __('Character Limit','acf'),
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'instructions' => __('Leave blank for no limit','acf'),
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'type' => 'number',
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'name' => 'maxlength',
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));
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// rows
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acf_render_field_setting( $field, array(
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'label' => __('Rows','acf'),
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'instructions' => __('Sets the textarea height','acf'),
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'type' => 'number',
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'name' => 'rows',
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'placeholder' => 8
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));
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// formatting
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acf_render_field_setting( $field, array(
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'label' => __('New Lines','acf'),
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'instructions' => __('Controls how new lines are rendered','acf'),
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'type' => 'select',
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'name' => 'new_lines',
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'choices' => array(
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'wpautop' => __("Automatically add paragraphs",'acf'),
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'br' => __("Automatically add <br>",'acf'),
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'' => __("No Formatting",'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 applied 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, $field ) {
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// bail early if no value or not for template
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if( empty($value) || !is_string($value) ) {
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return $value;
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}
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// new lines
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if( $field['new_lines'] == 'wpautop' ) {
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$value = wpautop($value);
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} elseif( $field['new_lines'] == 'br' ) {
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$value = nl2br($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( new acf_field_textarea() );
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endif; // class_exists check
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?>
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