form.php
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<?php
/**
* @package FrameworkOnFramework
* @subpackage view
* @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// Protect from unauthorized access
defined('FOF_INCLUDED') or die;
/**
* FrameworkOnFramework Form class. It preferrably renders an XML view template
* instead of a traditional PHP-based view template.
*
* @package FrameworkOnFramework
* @since 2.0
*/
class FOFViewForm extends FOFViewHtml
{
/** @var FOFForm The form to render */
protected $form;
/**
* Displays the view
*
* @param string $tpl The template to use
*
* @return boolean|null False if we can't render anything
*/
public function display($tpl = null)
{
$model = $this->getModel();
// Get the form
$this->form = $model->getForm();
$this->form->setModel($model);
$this->form->setView($this);
// Get the task set in the model
$task = $model->getState('task', 'browse');
// Call the relevant method
$method_name = 'on' . ucfirst($task);
if (method_exists($this, $method_name))
{
$result = $this->$method_name($tpl);
}
else
{
$result = $this->onDisplay();
}
// Bail out if we're told not to render anything
if ($result === false)
{
return;
}
// Show the view
// -- Output HTML before the view template
$this->preRender();
// -- Try to load a view template; if not exists render the form directly
$basePath = FOFPlatform::getInstance()->isBackend() ? 'admin:' : 'site:';
$basePath .= $this->config['option'] . '/';
$basePath .= $this->config['view'] . '/';
$path = $basePath . $this->getLayout();
if ($tpl)
{
$path .= '_' . $tpl;
}
$viewTemplate = $this->loadAnyTemplate($path);
// If there was no template file found, display the form
if ($viewTemplate instanceof Exception)
{
$viewTemplate = $this->getRenderedForm();
}
// -- Output the view template
echo $viewTemplate;
// -- Output HTML after the view template
$this->postRender();
}
/**
* Returns the HTML rendering of the FOFForm attached to this view. Very
* useful for customising a form page without having to meticulously hand-
* code the entire form.
*
* @return string The HTML of the rendered form
*/
public function getRenderedForm()
{
$html = '';
$renderer = $this->getRenderer();
if ($renderer instanceof FOFRenderAbstract)
{
// Load CSS and Javascript files defined in the form
$this->form->loadCSSFiles();
$this->form->loadJSFiles();
// Get the form's HTML
$html = $renderer->renderForm($this->form, $this->getModel(), $this->input);
}
return $html;
}
/**
* The event which runs when we are displaying the Add page
*
* @param string $tpl The view sub-template to use
*
* @return boolean True to allow display of the view
*/
protected function onAdd($tpl = null)
{
// Hide the main menu
JRequest::setVar('hidemainmenu', true);
// Get the model
$model = $this->getModel();
// Assign the item and form to the view
$this->item = $model->getItem();
return true;
}
}