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27 | PointedEar | 1 | <?php |
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51 | PointedEar | 3 | namespace PointedEars\PHPX; |
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27 | PointedEar | 5 | /** |
6 | * A general controller that can handle views according to |
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7 | * the MVC pattern |
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8 | * |
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9 | * @author tlahn |
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10 | */ |
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11 | abstract class Controller |
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12 | { |
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13 | /** |
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14 | * Default action of the controller |
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15 | * @var string |
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16 | */ |
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17 | protected $_defaultAction = 'index'; |
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43 | PointedEar | 18 | |
27 | PointedEar | 19 | /** |
30 | PointedEar | 20 | * If an array, maps an action name to an action method of the controller. |
21 | * |
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22 | * Fallback for IE 7 where the content of a <code>button</code> element |
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23 | * is submitted as value. |
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24 | * |
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25 | * @var array |
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26 | */ |
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27 | protected $_actionMap = null; |
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43 | PointedEar | 28 | |
30 | PointedEar | 29 | /** |
27 | PointedEar | 30 | * The {@link View} used by this controller |
31 | * @var View |
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32 | */ |
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33 | protected $_view = null; |
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43 | PointedEar | 34 | |
27 | PointedEar | 35 | /** |
36 | * Constructs a controller, initializes the related view, |
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37 | * and calls the controller's URI-indicated action method. |
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38 | * |
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39 | * @param string $viewClass |
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40 | * View class. The default is <code>'View'</code>. |
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41 | * @param string $template |
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42 | * Resource path of the template for the view. The default |
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43 | PointedEar | 43 | * is to <code>null</code> (no template). |
44 | * |
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45 | * @see View::__construct() |
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27 | PointedEar | 46 | */ |
30 | PointedEar | 47 | protected function __construct($viewClass = 'View', $template = null) |
27 | PointedEar | 48 | { |
49 | $this->_view = new $viewClass($template); |
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50 | |||
51 | Application::getInstance()->setCurrentController($this); |
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43 | PointedEar | 52 | |
27 | PointedEar | 53 | $action = Application::getParam('action', $_REQUEST); |
43 | PointedEar | 54 | |
27 | PointedEar | 55 | /* NOTE: No `==='; treat empty action like no specific action */ |
56 | if ($action == null) |
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57 | { |
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58 | $action = $this->_defaultAction; |
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59 | } |
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60 | |||
30 | PointedEar | 61 | $actionMethod = lcfirst($action) . 'Action'; |
43 | PointedEar | 62 | |
30 | PointedEar | 63 | /* Fallback for IE 7 where the content of a `button' element is submitted as value */ |
64 | if (!method_exists($this, $actionMethod)) |
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65 | { |
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66 | if (is_array($this->_actionMap) && array_key_exists($action, $this->_actionMap)) |
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67 | { |
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68 | $actionMethod = $this->_actionMap[$action]; |
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69 | } |
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70 | } |
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43 | PointedEar | 71 | |
30 | PointedEar | 72 | $this->$actionMethod(); |
27 | PointedEar | 73 | } |
43 | PointedEar | 74 | |
27 | PointedEar | 75 | /** |
76 | * Assigns a value to a template variable (after this, |
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77 | * <var>$value</var> is available through |
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78 | * <code>$this-><var>$name</var></code> in the view's template). |
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79 | * <code>Controller</code>s should call this method instead of |
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80 | * {@link View::assign()}. |
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81 | * |
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82 | * @param string $name |
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83 | * Variable name |
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84 | * @param mixed $value |
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85 | * Variable value |
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86 | * @param bool $encodeHTML |
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87 | * If <code>true</code>, replace all potentially conflicting |
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88 | * characters in <var>$value</var> with their HTML entity |
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89 | * references. The default is <code>false</code>. |
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90 | * @return mixed The assigned value (after possible HTML encoding) |
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91 | * @see View::encodeHTML() |
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92 | */ |
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93 | protected function assign($name, $value, $encodeHTML = false) |
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94 | { |
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95 | return $this->_view->assign($name, $value, $encodeHTML); |
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96 | } |
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43 | PointedEar | 97 | |
27 | PointedEar | 98 | /** |
99 | * Renders the {@link View} associated with this controller |
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100 | * by including the <code>View</code>'s template. |
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101 | * <code>Controller</code>s should call this method instead of |
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102 | * <code>View::render()</code>. |
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103 | * |
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104 | * @param string $template |
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105 | * Optional alternative template resource path. |
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106 | * If not provided, the default template (the |
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107 | * <code>View</code>'s <code>$template</code> property) |
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108 | * will be used. |
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109 | */ |
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110 | public function render($template = null, $content = null) |
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111 | { |
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112 | $this->_view->render($template, $content); |
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113 | } |
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114 | } |
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115 | |||
116 | ?> |