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-rw-r--r--system/classes/view.php95
1 files changed, 95 insertions, 0 deletions
diff --git a/system/classes/view.php b/system/classes/view.php
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+<?php
+
+/**
+ * Manages passing variables to templates and rendering them
+ */
+class View{
+
+ /**
+ * Full path to template file
+ * @var string
+ * @access private
+ */
+ private $path;
+
+ /**
+ * The name of the view.
+ * @var string
+ * @access public
+ */
+ public $name;
+
+ /**
+ * Stores all the variables passed to the view
+ * @var array
+ * @access private
+ */
+ private $_data = array();
+
+ /**
+ * Manages storing the data passed to the view as properties
+ *
+ * @param string $key Property name
+ * @param string $val Property value
+ * @return void
+ * @access public
+ */
+ public function __set($key, $val) {
+ $this->_data[$key]=$val;
+ }
+
+ /**
+ * Manages accessing passed data as properties
+ *
+ * @param string $key Property name
+ * @return mixed Property value
+ * @access public
+ * @throws Exception If the property is not found
+ */
+ public function __get($key){
+ if (isset($this->_data[$key]))
+ return $this->_data[$key];
+ throw new Exception("Value {$key} not set for view {$name}");
+ }
+
+ /**
+ * Renders the template, all dynamically set properties
+ * will be available inside the view file as variables.
+ * Example:
+ * <code>
+ * $view = View::get('frontpage');
+ * $view->title = "Page title";
+ * echo $view->render();
+ * </code>
+ *
+ * @return string Rendered template
+ * @access public
+ */
+ public function render() {
+ extract($this->_data);
+ ob_start();
+ include($this->path);
+ $out = ob_get_contents();
+ ob_end_clean();
+ return $out;
+ }
+
+ /**
+ * Constructs the view
+ *
+ * @param string $name The name of the template to use
+ * @return View
+ * @access public
+ * @throws Exception If specified template is not found
+ * @static
+ */
+ public static function get($name){
+ $view = new View();
+ $view->name = $name;
+ $file = Misc::find_file('view', $name);
+ if ($file == false)
+ throw new Exception("View {$name} not found.");
+ $view->path=$file;
+ return $view;
+ }
+} \ No newline at end of file