Current File : //var/www/tif-dev/wp-content/plugins/instapage/models/InstapageCmsPluginViewModel.php
<?php
/**
* Class responsible for displaying a template files.
*/
class InstapageCmsPluginViewModel {
/**
* @var object Class instance.
*/
private static $viewModel = null;
/**
* @var array Data that can be used inside of a template.
*/
protected $templateData = array();
/**
* @var array Templates to fetch.
*/
protected $templates = null;
/**
* Gets the class instance.
*/
public static function getInstance() {
if (self::$viewModel === null) {
self::$viewModel = new InstapageCmsPluginViewModel();
}
return self::$viewModel;
}
/**
* Class constructor.
*
* @param array $templates Templates to fetch.
* @param array $attributes Attributes to pass to the templates.
*/
public function __construct($templates = null, $attributes = null) {
if ($attributes) {
foreach ($attributes as $key => $value) {
$this->templateData[$key] = $value;
}
}
$this->templates = $templates;
}
/**
* Initiates the templates. Sets the templates attributes.
*
* @param array $templates Templates to initiate.
* @param array $attributes Attributes to pass to the templates.
*/
public function init($templates = null, $attributes = null) {
if ($attributes) {
foreach ($attributes as $key => $value) {
$this->templateData[$key] = $value;
}
}
$this->templates = $templates;
}
/**
* Magic method to set up a template attribute.
*
* @param string $name Name of the attribute.
* @param mixed $value Value of the attribute.
*/
public function __set($name, $value) {
$this->templateData[$name] = $value;
}
/**
* Information to the user how to fetch a template properly.
*
* @return string A message to the class user.
*/
public function __toString() {
return 'use $view->fetch() instead';
}
/**
* Assigns a value as a template attribute.
*
* @param string $key Name of the attribute.
* @param mixed $value Value of the attribute.
*
* @return object Template object.
*/
public function assign($key, $value) {
$this->templateData[$key] = $value;
return $this;
}
/**
* Renders the templates.
*
* @param array $templates. List of templates to render. If it's null, last user template will be rendered.
*
* @throws Excetion If $templates is null and no templates were used before.
* @throws Exception If no template file is found.
*
* @return string Rendered template content.
*/
public function fetch($templates = null) {
$templates = $templates ? $templates : $this->templates;
if (!$templates || empty($templates)) {
throw new Exception("Templates can not be null.");
}
if (!is_array($templates)) {
$templates = array($templates);
}
foreach ($templates as $template) {
if (!file_exists($template)) {
throw new Exception("Template {$template} not found.");
}
if ($this->templateData) {
foreach ($this->templateData as $variableName => $variableValue) {
$$variableName = $variableValue;
unset($variableName);
unset($variableValue);
}
}
ob_start();
include($template);
$contents = ob_get_contents();
ob_end_clean();
}
return $contents;
}
/**
* Sets variables for the selected template and renders it.
*
* @param string $template Template to render.
* @param array $variables Variables to be set as template attributes.
*
* @return string Rendered template content.
*/
public static function get($template, $variables = null) {
$view = new View($template);
if ($variables) {
foreach ($variables as $key => $value) {
$view->$key = $value;
}
}
return $view->fetch();
}
/**
* Gets the template variable.
*
* @param string $template Template name.
* @param array $variables Variables to get.
*
* @return array Template variables.
*/
public static function _($template, $variables = null) {
return self::get($template, $variables);
}
}
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