<?php
 class Cliente extends TRecord
{
    const TABLENAME = 'cliente';
    const PRIMARYKEY= 'id';
    const IDPOLICY =  'max'; // {max, serial}
    
    public function get_situacao_cli()
    {
        $nomes = array('A'=>'Ativo', 'B'=>'Bloqueado','I'=>'Inativo');
        return $nomes[$this->SITUACAO];
    }
    
      public function set_unidadefederacao(Cidade $object)
    {
        $this->unidadefederacao = $object;
        $this-> ID_CIDADE= $object->ID;  //Seu erro está aqui!!! ***
    }
    
      public function get_unidadefederacao()
    {
        // loads the associated object
        if (empty($this->unidadefederacao))
            $this->unidadefederacao = new cidade($this->ID_CIDADE); // E aqui!!!***
    
        // returns the associated object
        return $this->unidadefederacao;
    }
    
    
    
} 
?>
 

 
<?php
/**
 * ClienteList Listing
 * @author  <your name here>
 */
class ClienteList extends TStandardList
{
    protected $form;     // registration form
    protected $datagrid; // listing
    protected $pageNavigation;
    protected $formgrid;
    protected $deleteButton;
    protected $transformCallback;
    
    /**
     * Page constructor
     */
    public function __construct()
    {
        parent::__construct();
        
        parent::setDatabase('conexao');            // defines the database
        parent::setActiveRecord('Cliente');   // defines the active record
        parent::setDefaultOrder('ID_CLIENTE', 'asc');         // defines the default order
        // parent::setCriteria($criteria) // define a standard filter
        parent::addFilterField('CODIGO', '=', 'CODIGO'); // filterField, operator, formField
        parent::addFilterField('RAZAO_SOCIAL', 'like', 'RAZAO_SOCIAL'); // filterField, operator, formField
        parent::addFilterField('CPF', 'like', 'CPF'); // filterField, operator, formField
        parent::addFilterField('CNPJ', 'like', 'CNPJ'); // filterField, operator, formField
        parent::addFilterField('ID_CIDADE', 'like', 'ID_CIDADE'); // filterField, operator, formField
        parent::addFilterField('FONE', 'like', 'FONE'); // filterField, operator, formField
        parent::addFilterField('SITUACAO', 'like', 'SITUACAO'); // filterField, operator, formField
      
        // creates the form
        $this->form = new TQuickForm('form_search_Cliente');
        $this->form->class = 'tform'; // change CSS class
        
        $this->form->style = 'display: table;width:100%'; // change style
        $this->form->setFormTitle('Cliente');
       // $cliente = new Cliente(1);
//echo $cliente->cidade->nome;
        // create the form fields
        $CODIGO = new TEntry('CODIGO');
        $RAZAO_SOCIAL = new TEntry('RAZAO_SOCIAL');
        $CPF = new TEntry('CPF');
        $CNPJ = new TEntry('CNPJ');
        $ID_CIDADE = new TEntry('ID_CIDADE');
        $FONE = new TEntry('FONE');
        $SITUACAO = new TEntry('SITUACAO');
      
        // add the fields
        $this->form->addQuickField('Código:', $CODIGO, 70 );
        $this->form->addQuickField('Razão Social:', $RAZAO_SOCIAL,  400 );
        $this->form->addQuickField('CPF/CNPJ:', $CPF,  200 );
        $this->form->addQuickField('Situação:', $SITUACAO,  200 );
   
        
        // keep the form filled during navigation with session data
        $this->form->setData( TSession::getValue('Cliente_filter_data') );
        
        // add the search form actions
        $this->form->addQuickAction(_t('Find'), new TAction(array($this, 'onSearch')), 'fa:search');
        $this->form->addQuickAction(_t('New'),  new TAction(array('ClienteForm', 'onEdit')), 'bs:plus-sign green');
        
        // creates a DataGrid
        $this->datagrid = new TDataGrid;
         $this->datagrid->disableDefaultClick(); // important!
        
        $this->datagrid->style = 'width: 100%';
        $this->datagrid->setHeight(320);
        // $this->datagrid->datatable = 'true';
        // $this->datagrid->enablePopover('Popover', 'Hi <b> {name} </b>');
        
        // creates the datagrid columns
        $column_CODIGO = new TDataGridColumn('CODIGO', 'Código', 'center');
        $column_RAZAO_SOCIAL = new TDataGridColumn('RAZAO_SOCIAL', 'Razão Social', 'left');
        $column_CPF = new TDataGridColumn('CPF', 'CPF/CNPJ', 'center');
        $column_CNPJ = new TDataGridColumn('CNPJ', 'CNPJ', 'center');    
        $column_ID_CIDADE = new TDataGridColumn('unidadefederacao->DESCRICAO', 'Cidade', 'center');
        $column_FONE = new TDataGridColumn('FONE', 'Telefone', 'center');
        $column_SITUACAO = new TDataGridColumn('situacao_cli', 'Situação', 'center');
         //$COL= compara_cpfcnpj( $column_CPF, $column_CNPJ );
       // $column_CPFCNPJ = new TDataGridColumn( compara_cpfcnpj   , 'CPF/CNPJ', 'center');
$column_CPF->setTransformer(function($value,$object){ 
if ($value) 
return $value; 
else 
return $object->CNPJ; 
}); 
        
        // add the columns to the DataGrid
        $this->datagrid->addColumn($column_CODIGO);
        $this->datagrid->addColumn($column_RAZAO_SOCIAL);
        $this->datagrid->addColumn($column_CPF);
       // $this->datagrid->addColumn($column_CNPJ);
        $this->datagrid->addColumn($column_ID_CIDADE);
        $this->datagrid->addColumn($column_FONE);
        $this->datagrid->addColumn($column_SITUACAO);
     
        // creates the datagrid column actions
        $order_CODIGO = new TAction(array($this, 'onReload'));
        $order_CODIGO->setParameter('order', 'CODIGO');
        $column_CODIGO->setAction($order_CODIGO);
        
        $order_RAZAO_SOCIAL = new TAction(array($this, 'onReload'));
        $order_RAZAO_SOCIAL->setParameter('order', 'RAZAO_SOCIAL');
        $column_RAZAO_SOCIAL->setAction($order_RAZAO_SOCIAL);
        
// create EDIT action
        $action_edit = new TDataGridAction(array('ClienteForm', 'onEdit'));
        $action_edit->setUseButton(TRUE);
        $action_edit->setButtonClass('btn btn-default');
        $action_edit->setLabel(_t('Edit'));
        $action_edit->setImage('fa:pencil-square-o blue fa-lg');
        $action_edit->setField('ID_CLIENTE');
        $this->datagrid->addAction($action_edit);
        
        // create DELETE action
        $action_del = new TDataGridAction(array($this, 'onDelete'));
        $action_del->setUseButton(TRUE);
        $action_del->setButtonClass('btn btn-default');
        $action_del->setLabel(_t('Delete'));
        $action_del->setImage('fa:trash-o red fa-lg');
        $action_del->setField('ID_CLIENTE');
        $this->datagrid->addAction($action_del);
        
     
        
        // create the datagrid model
        $this->datagrid->createModel();
        
        // create the page navigation
        $this->pageNavigation = new TPageNavigation;
        $this->pageNavigation->setAction(new TAction(array($this, 'onReload')));
        $this->pageNavigation->setWidth($this->datagrid->getWidth());
        
        // vertical box container
        $container = new TVBox;
        $container->style = 'width: 100%';
        // $container->add(new TXMLBreadCrumb('menu.xml', __CLASS__));
        $container->add($this->form);
        $container->add($this->datagrid);
        $container->add($this->pageNavigation);
        
        parent::add($container);
    }
    
}