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| Rev | Author | Line No. | Line |
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| 27 | PointedEar | 1 | <?php |
| 2 | |||
| 3 | require_once 'lib/Application.php'; |
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| 4 | require_once 'lib/View.php'; |
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| 5 | |||
| 6 | /* lcfirst() is unavailable before PHP 5.3 */ |
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| 7 | if (false === function_exists('lcfirst')) |
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| 8 | { |
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| 9 | /** |
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| 10 | * Make a string's first character lowercase |
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| 11 | * |
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| 12 | * @param string $str The input string. |
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| 13 | * @return string The resulting string. |
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| 14 | * @link http://www.php.net/manual/en/function.lcfirst.php |
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| 15 | */ |
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| 16 | function lcfirst($str) |
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| 17 | { |
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| 18 | return strtolower(substr($str, 0, 1)) . substr($str, 1); |
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| 19 | } |
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| 20 | } |
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| 21 | |||
| 22 | /** |
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| 23 | * A general controller that can handle views according to |
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| 24 | * the MVC pattern |
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| 25 | * |
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| 26 | * @author tlahn |
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| 27 | */ |
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| 28 | abstract class Controller |
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| 29 | { |
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| 30 | /** |
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| 31 | * Default action of the controller |
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| 32 | * @var string |
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| 33 | */ |
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| 34 | protected $_defaultAction = 'index'; |
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| 35 | |||
| 36 | /** |
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| 37 | * The {@link View} used by this controller |
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| 38 | * |
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| 39 | * @var View |
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| 40 | */ |
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| 41 | protected $_view = null; |
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| 42 | |||
| 43 | /** |
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| 44 | * Constructs a controller, initializes the related view, |
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| 45 | * and calls the controller's URI-indicated action method. |
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| 46 | * |
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| 47 | * @param string $viewClass |
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| 48 | * View class. The default is <code>'View'</code>. |
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| 49 | * @param string $template |
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| 50 | * Resource path of the template for the view. The default |
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| 51 | * is the empty string. |
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| 52 | */ |
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| 53 | protected function __construct($viewClass = 'View', |
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| 54 | $template = null) |
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| 55 | { |
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| 56 | $this->_view = new $viewClass($template); |
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| 57 | |||
| 58 | Application::getInstance()->setCurrentController($this); |
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| 59 | |||
| 60 | $action = Application::getParam('action', $_REQUEST); |
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| 61 | |||
| 62 | /* NOTE: No `==='; treat empty action like no specific action */ |
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| 63 | if ($action == null) |
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| 64 | { |
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| 65 | $action = $this->_defaultAction; |
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| 66 | } |
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| 67 | |||
| 68 | $this->{lcfirst($action) . 'Action'}(); |
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| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * Assigns a value to a template variable (after this, |
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| 73 | * <var>$value</var> is available through |
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| 74 | * <code>$this-><var>$name</var></code> in the view's template). |
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| 75 | * <code>Controller</code>s should call this method instead of |
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| 76 | * {@link View::assign()}. |
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| 77 | * |
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| 78 | * @param string $name |
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| 79 | * Variable name |
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| 80 | * @param mixed $value |
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| 81 | * Variable value |
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| 82 | * @param bool $encodeHTML |
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| 83 | * If <code>true</code>, replace all potentially conflicting |
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| 84 | * characters in <var>$value</var> with their HTML entity |
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| 85 | * references. The default is <code>false</code>. |
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| 86 | * @return mixed The assigned value (after possible HTML encoding) |
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| 87 | * @see View::encodeHTML() |
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| 88 | */ |
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| 89 | protected function assign($name, $value, $encodeHTML = false) |
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| 90 | { |
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| 91 | return $this->_view->assign($name, $value, $encodeHTML); |
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| 92 | } |
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| 93 | |||
| 94 | /** |
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| 95 | * Renders the {@link View} associated with this controller |
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| 96 | * by including the <code>View</code>'s template. |
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| 97 | * <code>Controller</code>s should call this method instead of |
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| 98 | * <code>View::render()</code>. |
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| 99 | * |
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| 100 | * @param string $template |
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| 101 | * Optional alternative template resource path. |
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| 102 | * If not provided, the default template (the |
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| 103 | * <code>View</code>'s <code>$template</code> property) |
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| 104 | * will be used. |
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| 105 | */ |
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| 106 | public function render($template = null, $content = null) |
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| 107 | { |
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| 108 | $this->_view->render($template, $content); |
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| 109 | } |
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| 110 | } |
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| 111 | |||
| 112 | ?> |