Class yii\debug\widgets\NavigationButton
| Inheritance | yii\debug\widgets\NavigationButton » yii\base\Widget » yii\base\Component » yii\base\BaseObject |
|---|---|
| Implements | yii\base\Configurable, yii\base\ViewContextInterface |
| Available since version | 2.0.11 |
| Source Code | https://github.com/yiisoft/yii2-debug/blob/master/widgets/NavigationButton.php |
Render button for navigation to previous or next request in debug panel
Public Properties
| Property | Type | Description | Defined By |
|---|---|---|---|
| $autoIdPrefix | string | The prefix to the automatically generated widget IDs. | yii\base\Widget |
| $behaviors | yii\base\Behavior[] | List of behaviors attached to this component. This property is read-only. | yii\base\Component |
| $button | string | yii\debug\widgets\NavigationButton | |
| $counter | integer | A counter used to generate $id for widgets. | yii\base\Widget |
| $id | string|null | ID of the widget. Note that the type of this property differs in getter and setter. See getId() and setId() for details. | yii\base\Widget |
| $manifest | array | yii\debug\widgets\NavigationButton | |
| $panel | yii\debug\Panel | yii\debug\widgets\NavigationButton | |
| $stack | yii\base\Widget[] | The widgets that are currently being rendered (not ended). | yii\base\Widget |
| $tag | string | yii\debug\widgets\NavigationButton | |
| $view | yii\web\View | The view object that can be used to render views or view files. Note that the type of this property differs in getter and setter. See getView() and setView() for details. | yii\base\Widget |
| $viewPath | string | The directory containing the view files for this widget. This property is read-only. | yii\base\Widget |
Public Methods
| Method | Description | Defined By |
|---|---|---|
| __call() | Calls the named method which is not a class method. | yii\base\BaseObject |
| __clone() | This method is called after the object is created by cloning an existing one. | yii\base\Component |
| __construct() | Constructor. | yii\base\BaseObject |
| __get() | Returns the value of an object property. | yii\base\BaseObject |
| __isset() | Checks if a property is set, i.e. defined and not null. | yii\base\BaseObject |
| __set() | Sets value of an object property. | yii\base\BaseObject |
| __unset() | Sets an object property to null. | yii\base\BaseObject |
| afterRun() | This method is invoked right after a widget is executed. | yii\base\Widget |
| attachBehavior() | Attaches a behavior to this component. | yii\base\Component |
| attachBehaviors() | Attaches a list of behaviors to the component. | yii\base\Component |
| beforeRun() | This method is invoked right before the widget is executed. | yii\debug\widgets\NavigationButton |
| begin() | Begins a widget. | yii\base\Widget |
| behaviors() | Returns a list of behaviors that this component should behave as. | yii\base\Component |
| canGetProperty() | Returns a value indicating whether a property can be read. | yii\base\BaseObject |
| canSetProperty() | Returns a value indicating whether a property can be set. | yii\base\BaseObject |
| className() | Returns the fully qualified name of this class. | yii\base\BaseObject |
| detachBehavior() | Detaches a behavior from the component. | yii\base\Component |
| detachBehaviors() | Detaches all behaviors from the component. | yii\base\Component |
| end() | Ends a widget. | yii\base\Widget |
| ensureBehaviors() | Makes sure that the behaviors declared in behaviors() are attached to this component. | yii\base\Component |
| getBehavior() | Returns the named behavior object. | yii\base\Component |
| getBehaviors() | Returns all behaviors attached to this component. | yii\base\Component |
| getId() | Returns the ID of the widget. | yii\base\Widget |
| getView() | Returns the view object that can be used to render views or view files. | yii\base\Widget |
| getViewPath() | Returns the directory containing the view files for this widget. | yii\base\Widget |
| hasEventHandlers() | Returns a value indicating whether there is any handler attached to the named event. | yii\base\Component |
| hasMethod() | Returns a value indicating whether a method is defined. | yii\base\BaseObject |
| hasProperty() | Returns a value indicating whether a property is defined. | yii\base\BaseObject |
| init() | Initializes the object. | yii\base\Widget |
| off() | Detaches an existing event handler from this component. | yii\base\Component |
| on() | Attaches an event handler to an event. | yii\base\Component |
| render() | Renders a view. | yii\base\Widget |
| renderFile() | Renders a view file. | yii\base\Widget |
| run() | Executes the widget. | yii\debug\widgets\NavigationButton |
| setId() | Sets the ID of the widget. | yii\base\Widget |
| setView() | Sets the view object to be used by this widget. | yii\base\Widget |
| trigger() | Triggers an event. | yii\base\Component |
| widget() | Creates a widget instance and runs it. | yii\base\Widget |
Events
| Event | Type | Description | Defined By |
|---|---|---|---|
| EVENT_AFTER_RUN | yii\base\WidgetEvent | An event raised right after executing a widget. (available since version 2.0.11) | yii\base\Widget |
| EVENT_BEFORE_RUN | yii\base\WidgetEvent | An event raised right before executing a widget. (available since version 2.0.11) | yii\base\Widget |
| EVENT_INIT | yii\base\Event | An event that is triggered when the widget is initialized via init(). (available since version 2.0.11) | yii\base\Widget |
Property Details
Method Details
This method is invoked right before the widget is executed.
The method will trigger the EVENT_BEFORE_RUN event. The return value of the method will determine whether the widget should continue to run.
When overriding this method, make sure you call the parent implementation like the following:
public function beforeRun()
{
if (!parent::beforeRun()) {
return false;
}
// your custom code here
return true; // or false to not run the widget
}
| public boolean beforeRun ( ) | ||
| return | boolean | Whether the widget should continue to be executed. |
|---|---|---|
Executes the widget.
| public string run ( ) | ||
| return | string | The result of widget execution to be outputted. |
|---|---|---|