textarea.php 4.36 KB
Newer Older
imac's avatar
imac committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
<?php

/*
*  ACF Text Area Field Class
*
*  All the logic for this field type
*
*  @class 		acf_field_textarea
*  @extends		acf_field
*  @package		ACF
*  @subpackage	Fields
*/

if( ! class_exists('acf_field_textarea') ) :

class acf_field_textarea extends acf_field {
	
	
	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type	function
	*  @date	5/03/2014
	*  @since	5.0.0
	*
	*  @param	n/a
	*  @return	n/a
	*/
	
	function __construct() {
		
		// vars
		$this->name = 'textarea';
		$this->label = __("Text Area",'acf');
		$this->defaults = array(
			'default_value'	=> '',
			'new_lines'		=> '',
			'maxlength'		=> '',
			'placeholder'	=> '',
			'rows'			=> ''
		);
		
		
		// do not delete!
    	parent::__construct();
	}
	
	
	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param	$field - an array holding all the field's data
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/
	
	function render_field( $field ) {
		
		// vars
		$atts = array();
		$o = array( 'id', 'class', 'name', 'placeholder', 'rows' );
		$s = array( 'readonly', 'disabled' );
		$e = '';
		
		
		// maxlength
		if( $field['maxlength'] ) {
		
			$o[] = 'maxlength';
			
		}
		
		
		// rows
		if( empty($field['rows']) ) {
		
			$field['rows'] = 8;
			
		}
		
		
		// append atts
		foreach( $o as $k ) {
		
			$atts[ $k ] = $field[ $k ];	
			
		}
		
		
		// append special atts
		foreach( $s as $k ) {
		
			if( !empty($field[ $k ]) ) $atts[ $k ] = $k;
			
		}
		

		$e .= '<textarea ' . acf_esc_attr( $atts ) . ' >';
		$e .= esc_textarea( $field['value'] );
		$e .= '</textarea>';
		
		
		// return
		echo $e;
		
	}
	
	/*
	*  render_field_settings()
	*
	*  Create extra options for your field. This is rendered when editing a field.
	*  The value of $field['name'] can be used (like bellow) to save extra data to the $field
	*
	*  @param	$field	- an array holding all the field's data
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/
	
	function render_field_settings( $field ) {
		
		// ACF4 migration
		if( empty($field['ID']) ) {
			
			$field['new_lines'] = 'wpautop';
			
		}
		
		
		// default_value
		acf_render_field_setting( $field, array(
			'label'			=> __('Default Value','acf'),
			'instructions'	=> __('Appears when creating a new post','acf'),
			'type'			=> 'textarea',
			'name'			=> 'default_value',
		));
		
		
		// placeholder
		acf_render_field_setting( $field, array(
			'label'			=> __('Placeholder Text','acf'),
			'instructions'	=> __('Appears within the input','acf'),
			'type'			=> 'text',
			'name'			=> 'placeholder',
		));
		
		
		// maxlength
		acf_render_field_setting( $field, array(
			'label'			=> __('Character Limit','acf'),
			'instructions'	=> __('Leave blank for no limit','acf'),
			'type'			=> 'number',
			'name'			=> 'maxlength',
		));
		
		
		// rows
		acf_render_field_setting( $field, array(
			'label'			=> __('Rows','acf'),
			'instructions'	=> __('Sets the textarea height','acf'),
			'type'			=> 'number',
			'name'			=> 'rows',
			'placeholder'	=> 8
		));
		
		
		// formatting
		acf_render_field_setting( $field, array(
			'label'			=> __('New Lines','acf'),
			'instructions'	=> __('Controls how new lines are rendered','acf'),
			'type'			=> 'select',
			'name'			=> 'new_lines',
			'choices'		=> array(
				'wpautop'		=> __("Automatically add paragraphs",'acf'),
				'br'			=> __("Automatically add &lt;br&gt;",'acf'),
				''				=> __("No Formatting",'acf')
			)
		));
		
	}
	
	
	/*
	*  format_value()
	*
	*  This filter is applied to the $value after it is loaded from the db and before it is returned to the template
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value (mixed) the value which was loaded from the database
	*  @param	$post_id (mixed) the $post_id from which the value was loaded
	*  @param	$field (array) the field array holding all the field options
	*
	*  @return	$value (mixed) the modified value
	*/
	
	function format_value( $value, $post_id, $field ) {
		
		// bail early if no value or not for template
		if( empty($value) || !is_string($value) ) {
			
			return $value;
		
		}
				
		
		// new lines
		if( $field['new_lines'] == 'wpautop' ) {
			
			$value = wpautop($value);
			
		} elseif( $field['new_lines'] == 'br' ) {
			
			$value = nl2br($value);
			
		}
		
		
		// return
		return $value;
	}
	
}


// initialize
acf_register_field_type( new acf_field_textarea() );

endif; // class_exists check

?>