Class yii\bootstrap\ButtonDropdown

Inheritanceyii\bootstrap\ButtonDropdown » yii\bootstrap\Widget » yii\base\Widget » yii\base\Component » yii\base\Object
Implementsyii\base\Configurable, yii\base\ViewContextInterface
Uses Traitsyii\bootstrap\BootstrapWidgetTrait
Available since version2.0
Source Code https://github.com/yiisoft/yii2-bootstrap/blob/master/ButtonDropdown.php

ButtonDropdown renders a group or split button dropdown bootstrap component.

For example,

// a button group using Dropdown widget
echo ButtonDropdown::widget([
    'label' => 'Action',
    'dropdown' => [
        'items' => [
            ['label' => 'DropdownA', 'url' => '/'],
            ['label' => 'DropdownB', 'url' => '#'],
        ],
    ],
]);

See also:

Public Properties

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PropertyTypeDescriptionDefined 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 yii\base\Component
$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
$containerOptions array The HTML attributes for the container tag. yii\bootstrap\ButtonDropdown
$counter integer A counter used to generate $id for widgets. yii\base\Widget
$dropdown array The configuration array for yii\bootstrap\Dropdown. yii\bootstrap\ButtonDropdown
$dropdownClass string Name of a class to use for rendering dropdowns withing this widget. yii\bootstrap\ButtonDropdown
$encodeLabel boolean Whether the label should be HTML-encoded. yii\bootstrap\ButtonDropdown
$id string ID of the widget. yii\base\Widget
$label string The button label yii\bootstrap\ButtonDropdown
$options array The HTML attributes of the button. yii\bootstrap\ButtonDropdown
$split boolean Whether to display a group of split-styled button group. yii\bootstrap\ButtonDropdown
$stack yii\base\Widget[] The widgets that are currently being rendered (not ended). yii\base\Widget
$tagName string The tag to use to render the button yii\bootstrap\ButtonDropdown
$view yii\web\View The view object that can be used to render views or view files. yii\bootstrap\BootstrapWidgetTrait
$viewPath string The directory containing the view files for this widget. yii\base\Widget

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. yii\base\Object
__clone() This method is called after the object is created by cloning an existing one. yii\base\Component
__construct() Constructor. yii\base\Object
__get() Returns the value of an object property. yii\base\Object
__isset() Checks if a property is set, i.e. defined and not null. yii\base\Object
__set() Sets value of an object property. yii\base\Object
__unset() Sets an object property to null. yii\base\Object
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\Object
canSetProperty() Returns a value indicating whether a property can be set. yii\base\Object
className() Returns the fully qualified name of this class. yii\base\Object
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\Object
hasProperty() Returns a value indicating whether a property is defined. yii\base\Object
init() Initializes the widget. yii\bootstrap\BootstrapWidgetTrait
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\ButtonDropdown
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

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MethodDescriptionDefined 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
renderButton() Generates the button dropdown. yii\bootstrap\ButtonDropdown
renderDropdown() Generates the dropdown menu. yii\bootstrap\ButtonDropdown

Events

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EventTypeDescriptionDefined 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

$containerOptions public property (available since version 2.0.1)

The HTML attributes for the container tag. The following special options are recognized:

  • tag: string, defaults to "div", the name of the container tag.

See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.

$dropdown public property

The configuration array for yii\bootstrap\Dropdown.

public array $dropdown = []
$dropdownClass public property (available since version 2.0.7)

Name of a class to use for rendering dropdowns withing this widget. Defaults to yii\bootstrap\Dropdown.

public string $dropdownClass 'yii\bootstrap\Dropdown'
$encodeLabel public property

Whether the label should be HTML-encoded.

public boolean $encodeLabel true
$label public property

The button label

public string $label 'Button'
$options public property

The HTML attributes of the button.

See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.

public array $options = []
$split public property

Whether to display a group of split-styled button group.

public boolean $split false
$tagName public property

The tag to use to render the button

public string $tagName 'button'

Method Details

renderButton() protected method

Generates the button dropdown.

protected string renderButton ( )
return string

The rendering result.

renderDropdown() protected method

Generates the dropdown menu.

protected string renderDropdown ( )
return string

The rendering result.

run() public method

Renders the widget.

public void run ( )