Class yii\bootstrap\ButtonGroup
| Inheritance | yii\bootstrap\ButtonGroup » yii\bootstrap\Widget » yii\base\Widget » yii\base\Component » yii\base\BaseObject |
|---|---|
| Implements | yii\base\Configurable, yii\base\ViewContextInterface |
| Uses Traits | yii\bootstrap\BootstrapWidgetTrait |
| Available since version | 2.0 |
| Source Code | https://github.com/yiisoft/yii2-bootstrap/blob/master/ButtonGroup.php |
ButtonGroup renders a button group bootstrap component.
For example,
// a button group with items configuration
echo ButtonGroup::widget([
'buttons' => [
['label' => 'A'],
['label' => 'B'],
['label' => 'C', 'visible' => false],
]
]);
// button group with an item as a string
echo ButtonGroup::widget([
'buttons' => [
Button::widget(['label' => 'A']),
['label' => 'B'],
]
]);
Pressing on the button should be handled via JavaScript. See the following for details:
See also:
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 |
| $buttons | array | List of buttons. | yii\bootstrap\ButtonGroup |
| $clientEvents | array | The event handlers for the underlying Bootstrap JS plugin. | yii\bootstrap\BootstrapWidgetTrait |
| $clientOptions | array | The options for the underlying Bootstrap JS plugin. | yii\bootstrap\BootstrapWidgetTrait |
| $counter | integer | A counter used to generate $id for widgets. | yii\base\Widget |
| $encodeLabels | boolean | Whether to HTML-encode the button labels. | yii\bootstrap\ButtonGroup |
| $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 |
| $options | array | The HTML attributes for the widget container tag. | yii\bootstrap\Widget |
| $stack | yii\base\Widget[] | The widgets that are currently being rendered (not ended). | yii\base\Widget |
| $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\base\Widget |
| 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() | yii\bootstrap\BootstrapWidgetTrait | |
| 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 widget. | yii\bootstrap\ButtonGroup |
| 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() | Renders the widget. | yii\bootstrap\ButtonGroup |
| 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 |
Protected Methods
| Method | Description | Defined By |
|---|---|---|
| registerClientEvents() | Registers JS event handlers that are listed in $clientEvents. | yii\bootstrap\BootstrapWidgetTrait |
| registerPlugin() | Registers a specific Bootstrap plugin and the related events | yii\bootstrap\BootstrapWidgetTrait |
| renderButtons() | Generates the buttons that compound the group as specified on $buttons. | yii\bootstrap\ButtonGroup |
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
List of buttons. Each array element represents a single button which can be specified as a string or an array of the following structure:
- label: string, required, the button label.
- options: array, optional, the HTML attributes of the button.
- visible: bool, optional, whether this button is visible. Defaults to true.
Whether to HTML-encode the button labels.
Method Details
Initializes the widget.
If you override this method, make sure you call the parent implementation first.
| public void init ( ) |
Generates the buttons that compound the group as specified on $buttons.
| protected string renderButtons ( ) | ||
| return | string | The rendering result. |
|---|---|---|
Renders the widget.
| public void run ( ) |