DropdownButtonComponent Class Reference

Defines <dropdown-button> component, Dropdown button must be an item in <dropdown>'s list, this component may act as a button or a file-selector, for more details please visit /examples/UIExtension/tutorials/widgets/dropdown.html More...

Inheritance diagram for DropdownButtonComponent:

Additional Inherited Members
Public Member Functions inherited from Component
	active ()
	Actives the component, and set isActive property to true, this method triggers UIExtension.UIConsts.COMPONENT_EVENTS.ACTIVE event. More...
	addDestroyHook (...hooks)
	Add a function to destroyHooks list, which will be called during destroy. More...
	after (component, fragments)
	Inserts this component after the specified component. More...
	attachEventToElement (element, types, listener, options)
	Binds single or more DOM events of the specified type to the specified element. This or these events are automatically removed when the element component is destroyed. More...
	before (component, fragments)
	Insert this component before the specified component. More...
	deactive ()
	Deactives the component, and set isActive property to false, this method triggers UIExtension.UIConsts.COMPONENT_EVENTS.DEACTIVE event. More...
	destroy ()
	Destroy the component and remove from its parent. this method triggers UIExtension.UIConsts.COMPONENT_EVENTS.DESTROYED event. More...
	disable ()
	To disable the component, and set disabled property to true, this method triggers UIExtension.UIConsts.COMPONENT_EVENTS.DISABLE event. More...
	enable ()
	Enables component, and set disabled property to false, this method triggers UIExtension.UIConsts.COMPONENT_EVENTS.ENABLE event. More...
	findClosestComponent (callback)
	Find the first ancestor in the component tree which passed the testing of callback. More...
	getClosestComponentByName (name)
	Find the first ancestor in the component tree which name is equal to the passing value. More...
	getClosestComponentByType (type)
	Find the first ancestor in the component tree which type is equal to the passing value. More...
	getComponentByName (name)
	This method returns an Component object representing the component whose name property matches the specified string. If there are more than one components matched, only the first one is taken. More...
PDFUI	getPDFUI ()
	Get PDFUI instance, PDFUI instance is passing into a component after constructed. So that an undefined value will be returned in constructoring lifecycle. More...
	getRoot ()
	Get root component of this component tree. More...
	hide ()
	Hide component and set isVisible property to false, this method UIExtension.UIConsts.COMPONENT_EVENTS.HIDDEN event. More...
	index ()
	Get the index of this component in parent. More...
	isContainer ()
	Method used to detect whether a component is a container. More...
	isStateKept (kind=KeepStateKind.VISIBILITY)
	Check if state is kept or not. More...
	keepState (kind=KeepStateKind.VISIBILITY)
	This method is used to keep the current state of the component unchanged. After the state is kept, the show/hide methods of the component will no longer take effect unless the keep-state is revoked. More...
	localize (localizer=this.localizer)
	Localize message with the value of the data-i18n attribute above the DOM element of component recursively. More...
	nextSiblings ()
	This method returns the component immediately following this component's parent children list, or returns null if this component is the last in that list. More...
	off (eventName, listener)
	Unregister event handler of a geven event type, if no handler function specified, all handler of this given event type will be removed. More...
	on (eventName, listener)
	Registers an event handler to a specific event type on the component. More...
	once (eventName, listener)
	Registers an event handler to a specific event type on the component, but difference from Component#on, this event handler will be triggered only once. More...
	postlink ()
	Lifecycle method: postlink. The postlink method is called after all of the children are parsed. More...
	prelink ()
	Lifecycle method: prelink. The prelink method is called after component is rendered. More...
	previousSiblings ()
	This method returns the component immediately preceding this component's parent children list, or returns null if this component is the first in that list. More...
	querySelector (selector)
	Queries the first result returned from querySelectorAll. More...
	querySelectorAll (selectors)
	Returns all components that match the specified selector string. selector syntax: More...
	remove ()
	Remove component from its parent, and triggers UIExtension.UIConsts.COMPONENT_EVENTS.REMOVED event. More...
	removeElement ()
	Remove element from DOM tree.
	revokeKeepState (kind=KeepStateKind.VISIBILITY)
	Revoke keep-state and makes the show/hide methods back to normal. More...
	show (showParams)
	Shows up component, and set isVisible property to true, this method triggers UIExtension.UIConsts.COMPONENT_EVENTS.SHOWN event. More...
	trigger (eventName,...data)
	Calls each of the listeners registered for a given event type. More...
Static Public Member Functions inherited from Component
static	extend (name, def, statics={})
static	getName ()
	This method returns a string identifies as the name of a component type that you can use this string as the tag name in the template. Each component must override this static method so that the template can get this component class. More...
Public Attributes inherited from Component
boolean	canBeDisabled
	Whether or not this component can be disabled. All of the component can be disabled by default unless you manually set the value of this property to true. More...
Controller	controller
	The controller instanceof of this component. The controller is specified externally and that contains the business logic of this component. More...
boolean	disabled
	Whether or not this component is enabled. Components are enabled by default, and must be enable to recieve user inut or generate events. More...
HTMLElement	element
	The root DOM element object of this component. More...
boolean	isActive
	Whether or not this component is active.Active is a complicated state, it can prepresent different interaction states in different component. More...
boolean	isVisible
	Whether or not this component is visible. Expect for layers, Most components are initially visible. More...
string	name
	The name of this component. More...
ContainerComponent	parent
	The parent of this component. More...
Protected Member Functions inherited from Component
	constructor (options, module, localizer)
	createDOMElement ()
	This method creates a HTMLElement as the root element for this component. More...
	doActive ()
	This method is called after the component is activated. It is used to update the rendering effect after the component is activated. It is usefull to override this method to customize the rendering.
	doDeactive ()
	This method is called after the component is deactivated. It is used to update the rendering effect after the component is deactivated. It is usefull to override this method to customize the rendering.
	doDestroy ()
	This method is called to destroy the component, You should override this method for your custom component to write your customize destroy logic.
	doDisable (reason='')
	This method is called after the component is disabled. It is used to update the rendering effect after the component is disabled. It is usefull to override this method to customize the rendering.
	doEnable (reason='')
	This method is called after the component is enabled. It is used to update the rendering effect after the component is enabled. It is usefull to override this method to customize the rendering.
	doHidden ()
	This method is called to hide the DOM element of this component. It is usefull to override this method to customize the hidding logic.
	doShown ()
	This method is called to show the DOM element of this component. It is usefull to override this method to customize the showing logic.
	mounted ()
	Lifecycle method: mounted. The mounted method is called after the element of component is appended into the DOM tree. More...
	render ()
	Lifecycle method: render. The render method is always been called to create DOM element of the component, it's called after createDOMElement called and before calling prelink. More...

Detailed Description

Defines <dropdown-button> component, Dropdown button must be an item in <dropdown>'s list, this component may act as a button or a file-selector, for more details please visit /examples/UIExtension/tutorials/widgets/dropdown.html

Deprecated:

since 7.1.1, using <xbutton> instead.

Since

7.0.0