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| Rev | Author | Line No. | Line |
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| 27 | PointedEar | 1 | <?php |
| 2 | |||
| 29 | PointedEar | 3 | require_once __DIR__ . '/Application.php'; |
| 4 | require_once __DIR__ . '/View.php'; |
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| 27 | PointedEar | 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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| 30 | PointedEar | 37 | * If an array, maps an action name to an action method of the controller. |
| 38 | * |
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| 39 | * Fallback for IE 7 where the content of a <code>button</code> element |
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| 40 | * is submitted as value. |
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| 41 | * |
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| 42 | * @var array |
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| 43 | */ |
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| 44 | protected $_actionMap = null; |
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| 45 | |||
| 46 | /** |
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| 27 | PointedEar | 47 | * The {@link View} used by this controller |
| 48 | * @var View |
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| 49 | */ |
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| 50 | protected $_view = null; |
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| 51 | |||
| 52 | /** |
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| 53 | * Constructs a controller, initializes the related view, |
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| 54 | * and calls the controller's URI-indicated action method. |
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| 55 | * |
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| 56 | * @param string $viewClass |
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| 57 | * View class. The default is <code>'View'</code>. |
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| 58 | * @param string $template |
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| 59 | * Resource path of the template for the view. The default |
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| 60 | * is the empty string. |
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| 61 | */ |
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| 30 | PointedEar | 62 | protected function __construct($viewClass = 'View', $template = null) |
| 27 | PointedEar | 63 | { |
| 64 | $this->_view = new $viewClass($template); |
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| 65 | |||
| 66 | Application::getInstance()->setCurrentController($this); |
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| 67 | |||
| 68 | $action = Application::getParam('action', $_REQUEST); |
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| 69 | |||
| 70 | /* NOTE: No `==='; treat empty action like no specific action */ |
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| 71 | if ($action == null) |
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| 72 | { |
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| 73 | $action = $this->_defaultAction; |
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| 74 | } |
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| 75 | |||
| 30 | PointedEar | 76 | $actionMethod = lcfirst($action) . 'Action'; |
| 77 | |||
| 78 | /* Fallback for IE 7 where the content of a `button' element is submitted as value */ |
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| 79 | if (!method_exists($this, $actionMethod)) |
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| 80 | { |
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| 81 | if (is_array($this->_actionMap) && array_key_exists($action, $this->_actionMap)) |
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| 82 | { |
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| 83 | $actionMethod = $this->_actionMap[$action]; |
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| 84 | } |
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| 85 | } |
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| 86 | |||
| 87 | $this->$actionMethod(); |
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| 27 | PointedEar | 88 | } |
| 89 | |||
| 90 | /** |
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| 91 | * Assigns a value to a template variable (after this, |
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| 92 | * <var>$value</var> is available through |
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| 93 | * <code>$this-><var>$name</var></code> in the view's template). |
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| 94 | * <code>Controller</code>s should call this method instead of |
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| 95 | * {@link View::assign()}. |
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| 96 | * |
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| 97 | * @param string $name |
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| 98 | * Variable name |
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| 99 | * @param mixed $value |
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| 100 | * Variable value |
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| 101 | * @param bool $encodeHTML |
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| 102 | * If <code>true</code>, replace all potentially conflicting |
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| 103 | * characters in <var>$value</var> with their HTML entity |
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| 104 | * references. The default is <code>false</code>. |
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| 105 | * @return mixed The assigned value (after possible HTML encoding) |
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| 106 | * @see View::encodeHTML() |
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| 107 | */ |
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| 108 | protected function assign($name, $value, $encodeHTML = false) |
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| 109 | { |
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| 110 | return $this->_view->assign($name, $value, $encodeHTML); |
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| 111 | } |
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| 112 | |||
| 113 | /** |
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| 114 | * Renders the {@link View} associated with this controller |
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| 115 | * by including the <code>View</code>'s template. |
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| 116 | * <code>Controller</code>s should call this method instead of |
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| 117 | * <code>View::render()</code>. |
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| 118 | * |
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| 119 | * @param string $template |
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| 120 | * Optional alternative template resource path. |
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| 121 | * If not provided, the default template (the |
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| 122 | * <code>View</code>'s <code>$template</code> property) |
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| 123 | * will be used. |
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| 124 | */ |
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| 125 | public function render($template = null, $content = null) |
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| 126 | { |
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| 127 | $this->_view->render($template, $content); |
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| 128 | } |
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| 129 | } |
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| 130 | |||
| 131 | ?> |