<?php
class Academy_Informations_Block_Adminhtml_Messages_Grid extends Mage_Adminhtml_Block_Widget_Grid
{
    public function __construct()
    {
        parent::__construct();
        $this->setDefaultSort('message_id');
        $this->setDefaultDir('DESC');
    }

    protected function _prepareCollection()
    {
        $messageModel = Mage::getModel('academy_informations/message');
        $messageCollection = $messageModel->getCollection();

        $this->setCollection($messageCollection);
        return parent::_prepareCollection();
    }

    protected function _prepareColumns()
    {
        $this->addColumn('message_id', array(
            'index' => 'message_id',
            'header' => $this->__('Message Id')
        ));

        $this->addColumn('content', array(
            'index' => 'content',
            'header' => $this->__('Content')
        ));

        $this->addColumn('category_id', array(
            'index' => 'category_id',
            'header' => $this->__('Category Id'),
            'type' => 'options',
            'options' => array('0' => 'machin',
            					  '1' => 'bidule',
            					  '2' => 'truc',
            					  '3' => 'pouet',
            					  '4' => 'pouetpouet')
        ));

        $this->addColumn('action',
            array(
                'header'    => $this->__('Action'),
                'width'     => '50px',
                'type'      => 'action',
                'getter'     => 'getId',
                'actions'   => array(
                    array(
                        'caption' => Mage::helper('catalog')->__('Edit'),
                        'url'     => array(
                            'base'=>'*/*/edit',
                            'params'=>array('store'=>$this->getRequest()->getParam('store'))
                        ),
                        'field'   => 'id'
                    )
                ),
                'filter'    => false,
                'sortable'  => false,
                'index'     => 'stores',
        ));
    }

    public function getRowUrl($row)
    {
        return $this->getUrl('*/*/edit', array('id' => $row->getId()));
    }
}