<?php/** * UsuariosForm Registration * @author  <your name here> */class UsuariosForm extends TPage{    private $form;    private $datagrid;    private $pageNavigation;    private $loaded;        /**     * Class constructor     * Creates the page and the registration form     */    function __construct()    {        parent::__construct();                // creates the form        $this->form = new TForm('form_Usuarios');                try        {            // TUIBuilder object            $ui = new TUIBuilder(500,500);            $ui->setController($this);            $ui->setForm($this->form);                        // reads the xml form            $ui->parseFile('app/forms/FrmUsuarios.form.xml');                        // get the interface widgets            $fields = $ui->getWidgets();            // look for the TDataGrid object            foreach ($fields as $name => $field)            {                if ($field instanceof TDataGrid)                {                    $this->datagrid = $field;                    $this->pageNavigation = $this->datagrid->getPageNavigation();                }            }                        // add the TUIBuilder panel inside the TForm object            $this->form->add($ui);            // set form fields from interface fields            $this->form->setFields($ui->getFields());        }        catch (Exception $e)        {            new TMessage('error', $e->getMessage());        }                // add the form to the page        parent::add($this->form);    }        /**     * method onEdit()     * Executed whenever the user clicks at the edit button da datagrid     */    function onEdit($param)    {        try        {            if (isset($param['key']))            {                // get the parameter $key                $key=$param['key'];                                // open a transaction with database 'BcoGED'                TTransaction::open('BcoGED');                                // instantiates object Usuarios                $object = new Usuarios($key);                                // fill the form with the active record data                $this->form->setData($object);                                // close the transaction                TTransaction::close();            }            else            {                $this->form->clear();            }        }        catch (Exception $e) // in case of exception        {            // shows the exception error message            new TMessage('error', '<b>Error</b> ' . $e->getMessage());                        // undo all pending operations            TTransaction::rollback();        }    }    /**     * method onDelete()     * executed whenever the user clicks at the delete button     * Ask if the user really wants to delete the record     */    function onDelete($param)    {        // get the parameter $key        $key=$param['key'];                // define two actions        $action = new TAction(array($this, 'Delete'));                // define the action parameters        $action->setParameter('key', $key);                // shows a dialog to the user        new TQuestion(TAdiantiCoreTranslator::translate('Do you really want to delete ?'), $action);    }        /**     * method Delete()     * Delete a record     */    function Delete($param)    {        try        {            // get the parameter $key            $key=$param['key'];            // open a transaction with database 'BcoGED'            TTransaction::open('BcoGED');                        // instantiates object Usuarios            $object = new Usuarios($key);                        // deletes the object from the database            $object->delete();                        // close the transaction            TTransaction::close();                        // reload the listing            $this->onReload();            // shows the success message            new TMessage('info', TAdiantiCoreTranslator::translate('Record deleted'));        }        catch (Exception $e) // in case of exception        {            // shows the exception error message            new TMessage('error', '<b>Error</b> ' . $e->getMessage());            // undo all pending operations            TTransaction::rollback();        }    }    /**     * method onSave()     * Executed whenever the user clicks at the save button     */    function onSave()    {        try        {            // open a transaction with database 'BcoGED'            TTransaction::open('BcoGED');                        // get the form data into an active record Usuarios            $object = $this->form->getData('Usuarios');                        // form validation            $this->form->validate();                        // stores the object            $object->store();                        // set the data back to the form            $this->form->setData($object);                        // close the transaction            TTransaction::close();                        // shows the success message            new TMessage('info', TAdiantiCoreTranslator::translate('Record saved'));            // reload the listing        }        catch (Exception $e) // in case of exception        {            // shows the exception error message            new TMessage('error', '<b>Error</b> ' . $e->getMessage());            // undo all pending operations            TTransaction::rollback();        }    }    /**     * method onEdi()     * Executed whenever the user clicks at the edit button da datagrid     */    function onEdi($param)    {        try        {            if (isset($param['key']))            {                // get the parameter $key                $key=$param['key'];                                // open a transaction with database 'BcoGED'                TTransaction::open('BcoGED');                                // instantiates object Usuarios                $object = new Usuarios($key);                                // fill the form with the active record data                $this->form->setData($object);                                // close the transaction                TTransaction::close();            }            else            {                $this->form->clear();            }        }        catch (Exception $e) // in case of exception        {            // shows the exception error message            new TMessage('error', '<b>Error</b> ' . $e->getMessage());                        // undo all pending operations            TTransaction::rollback();        }    }    /**     * method onSave()     * Executed whenever the user clicks at the save button     */     /**     * method onReload()     * Load the datagrid with the database objects     */    function onReload($param = NULL)    {        try        {            // open a transaction with database 'BcoGED'            TTransaction::open('BcoGED');                        // creates a repository for Usuarios            $repository = new TRepository('Usuarios');            $limit = 10;            // creates a criteria            $criteria = new TCriteria;            $criteria->setProperties($param); // order, offset            $criteria->setProperty('limit', $limit);                        if (TSession::getValue('Usuarios_filter'))            {                // add the filter stored in the session to the criteria                $criteria->add(TSession::getValue('Usuarios_filter'));            }                        // load the objects according to criteria            $objects = $repository->load($criteria);                        $this->datagrid->clear();            if ($objects)            {                // iterate the collection of active records                foreach ($objects as $object)                {                    // add the object inside the datagrid                    $this->datagrid->addItem($object);                }            }                        // reset the criteria for record count            $criteria->resetProperties();            $count= $repository->count($criteria);                        $this->pageNavigation->setCount($count); // count of records            $this->pageNavigation->setProperties($param); // order, page            $this->pageNavigation->setLimit($limit); // limit                        // close the transaction            TTransaction::close();            $this->loaded = true;        }        catch (Exception $e) // in case of exception        {            // shows the exception error message            new TMessage('error', '<b>Error</b> ' . $e->getMessage());            // undo all pending operations            TTransaction::rollback();        }    }        /**     * method show()     * Shows the page     */    function show()    {        // check if the datagrid is already loaded        if (!$this->loaded)        {            $this->onReload();        }        parent::show();    }      }