sfWidgetFormInputCheckboxの正負を反転させる その１

<?php

class InvertBoolean extends Doctrine_Template
{
    protected $_options = array(
        'columns' => array()
    );
    
    public function setTableDefinition()
    {
        $this->addListener(new InvertBooleanListener($this->_options));
    }
    
    public function setUp()
    {
    }
}

<?php

class InvertBooleanListener extends Doctrine_Record_Listener
{
    protected $_options;
    
    public function __construct(array $options)
    {
        $this->_options = $options;
    }

    public function postHydrate(Doctrine_Event $event)
    {
        $obj = $event->data;
        foreach ($this->_options['columns'] as $column) {
            $obj->$column = !($obj->$column);
        }
        $event->set('data', $obj);
    }

    public function preSave(Doctrine_Event $event)
    {
        foreach ($this->_options['columns'] as $column) {
            $value = !($event->getInvoker()->get($column));
            $event->getInvoker()->set($column, $value);
        }
    }
}

        $this->hasColumn('show_flag', 'boolean', null, array(
             'type' => 'boolean',
             'notnull' => true,
             'default' => 0,
             ));

$this->actAs('InvertBoolean', array('columns'=>array('show_flag')));