<?php

namespace Framework;

class View {

    private $variable = array();
    private $title = 'Example title';
    private $CurrentBlock = '';
    private $blocks = array();
    private $fileExtend = false;

    public function set($key, $value) {
        $this->variable[$key] = $value;
    }

    public function get($key) {
        return isset($this->variable[$key]) ? $this->variable[$key] : '';
    }

    public function display($file) {
        $this->load($file);
        if($this->fileExtend)
            $this->load($this->fileExtend);
    }

    public function load($file) {
        $template = $file;
        $file = ROOT_PATH.APP.'/View/'.$file.'.php';
        if(file_exists($file))
            include($file);
        else
            echo 'Template "'.$template.'" does not exist!<br />';
    }

    public function setTitle($title) {
        $this->title = $title;
    }

    public function getTitle() {
        return $this->title;
    }

    public function startBlock($name) {
        $this->CurrentBlock = $name;
        ob_start();
    }

    public function stopBlock() {
        $this->blocks[$this->CurrentBlock] = ob_get_clean();
        $this->CurrentBlock = NULL;
    }

    public function getBlock($name) {
        return isset($this->blocks[$name]) ? $this->blocks[$name] : '';
    }

    public function extend($file) {
        $name = $file;
        $file = ROOT_PATH.APP.'/View/'.$file.'.php';
        if(file_exists($file))
            $this->fileExtend = $name;
        else{
            echo 'Layout "'.$template.'" does not exist!<br />';
        }
    }

}