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Diffstat (limited to 'framework/Web/UI/TControl.php')
| -rw-r--r-- | framework/Web/UI/TControl.php | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/framework/Web/UI/TControl.php b/framework/Web/UI/TControl.php index be7b1185..1b8a2138 100644 --- a/framework/Web/UI/TControl.php +++ b/framework/Web/UI/TControl.php @@ -196,6 +196,31 @@ class TControl extends TApplicationComponent implements IRenderable, IBindable } /** + * Checks for the existance of a property value by name or a control by ID. + * This overrides the parent implementation by allowing checking for the + * existance of a control via its ID using the following syntax, + * <code> + * $menuBarExists = isset($this->menuBar); + * </code> + * Do not call this method. This is a PHP magic method that we override + * to allow using isset() to detect if a component property is set or not. + * Note, the control must be configured in the template + * with explicit ID. If the name matches both a property and a control ID, + * the control ID will take the precedence. + * + * @param string the property name or control ID + * @return bool wether the control or property exists + * @see __get + */ + public function __isset($name) { + if(isset($this->_rf[self::RF_NAMED_OBJECTS][$name])) { + return true; + } else { + return parent::__isset($name); + } + } + + /** * @return boolean whether there is an adapter for this control */ public function getHasAdapter() |