<?php
/**
 * CategoriaForm Registration
 */
class CategoriaForm extends TStandardForm
{
    protected $form; // form
    private   $frame;
    
    /**
     * Class constructor
     * Creates the page and the registration form
     */
    function __construct()
    {
        parent::__construct();
        
        Usuario::checkLogin();
        
        // creates the form
        $this->form = new TQuickForm('form_Categoria');
        $this->form->class = 'tform'; // CSS class
        
        // define the form title
        $this->form->setFormTitle('Categoria');
        
        // defines the database
        parent::setDatabase('sample');
        
        // defines the active record
        parent::setActiveRecord('Categoria');
        
        // create the form fields
        1914                             = new TEntry('id');
        $nome                           = new TEntry('nome');
        $dataevento                        = new TDate('dataevento');
        $descricao                      = new THtmlEditor('descricao');
        $imagem                         = new TFile('imagem');
        // add the fields
        $this->form->addQuickField('id', 1914,  50);
        $this->form->addQuickField('data', $dataevento,  100);
        $this->form->addQuickField('nome', $nome,  200);
        $this->form->addQuickField('descricao', $descricao,  200);
        $this->form->addQuickField('imagem', $imagem,  200);
        // complete upload action
        $imagem->setCompleteAction(new TAction(array($this, 'onComplete')));        
        
        
        1914->setEditable( FALSE );
        $descricao->setSize(400, 300);
        $this->frame = new TElement('div');
        $this->frame->id = 'photo_frame';
        $this->frame->style = 'width:400px;height:auto;min-height:200px;border:1px solid gray;padding:4px;';
        $row = $this->form->addRow();
        $row->addCell('');
        $row->addCell($this->frame);
        
        $imagem->setSize(200, 40);
        // add a form action
        $this->form->addQuickAction(_t('Save'), new TAction(array($this, 'onSave')), 'ico_save.png');
        $this->form->addQuickAction(_t('New'), new TAction(array($this, 'onEdit')), 'ico_new.png');
        $this->form->addQuickAction(_t('Back'), new TAction(array('CategoriaList', 'onReload')), 'ico_back.png');
        
        // add the form to the page
        parent::add($this->form);
    }
        /**
     * On complete upload
     */
    public static function onComplete($param)
    {
        new TMessage('info', 'Upload completo: '.$param['imagem']);
        
        // refresh photo_frame
        TScript::create("$('#photo_frame').html('')");
        TScript::create("$('#photo_frame').append(\"<img style='width:100%' src='tmp/{$param['imagem']}'>\");");
    }
    
    /**
     * Edit product
     */
    public function onEdit($param)
    {
        $object = parent::onEdit($param);
        if ($object)
        {
            $imagem = new TImage($object->imagem);
            $imagem->style = 'width: 100%';
            $this->frame->add( $imagem );
        }
    }
    
    /**
     * Overloaded method onSave()
     * Executed whenever the user clicks at the save button
     */
    public function onSave()
    {
        // first, use the default onSave()
        $object = parent::onSave();
        
        // if the object has been saved
        if ($object instanceof Categoria)
        {
            
            $source_file   = 'tmp/'.$object->imagem;
            $target_file   = 'app/images/eventos/cat_' . $object->id.substr($object->imagem, -4);
            $finfo         = new finfo(FILEINFO_MIME_TYPE);
            
            // if the user uploaded a source file
            if (file_exists($source_file) AND ($finfo->file($source_file) == 'image/png' OR $finfo->file($source_file) == 'image/jpeg'))
            {
                // move to the target directory
                rename($source_file, $target_file);
                try
                {
                    TTransaction::open($this->database);
                    // update the photo_path
                    $object->imagem = $target_file;
                    $object->store();
                    
                    TTransaction::close();
                }
                catch (Exception $e) // in case of exception
                {
                    new TMessage('error', $e->getMessage());
                    TTransaction::rollback();
                }
            }
            $image = new TImage($target_file);
            $image->style = 'width: 100%';
            $this->frame->add($image);
            // erro - só atualiza a imagem se der f5
            
        }
    }
    
}
?>