Subversion Repositories web.creative

<?php namespace ProcessWire;

class InputfieldSelectMultiple extends InputfieldSelect implements InputfieldHasArrayValue {

  const defaultSize = 10; 

  public static function getModuleInfo() {
    return array(
      'title' => __('Select Multiple', __FILE__), // Module Title
      'summary' => __('Select multiple items from a list', __FILE__), // Module Summary
      'version' => 101,
      'permanent' => true, 
      );
  }

  public function __construct() {
    parent::__construct();
    $this->setAttribute('multiple', 'multiple'); 
    $this->setAttribute('size', self::defaultSize); 
  }

  /**
   * Add options only if they are non-blank
   *
   * We don't need blank options in a select multiple since the unselected state involves no selected options
   *
   */
  public function addOption($value, $label = null, array $attributes = null) {
    if(is_null($value) || (is_string($value) && !strlen($value))) return $this; 
    return parent::addOption($value, $label, $attributes); 
  }

  public function ___getConfigInputfields() {
    $inputfields = parent::___getConfigInputfields(); 
    if($this->className() == 'InputfieldSelectMultiple') {
      // descending classes may null out the 'size' attribute if they don't need it
      $f = $this->wire('modules')->get('InputfieldInteger'); 
      $f->label = $this->_('Size: number of rows visible at once in the select multiple'); 
      $f->attr('name', 'size'); 
      $f->attr('value', (int) $this->attr('size')); 
      $inputfields->add($f);
    }
    return $inputfields; 
  }


}