Pacote | spark.components |
Classe | public class ButtonBar |
Herança | ButtonBar ButtonBarBase ListBase SkinnableDataContainer SkinnableContainerBase SkinnableComponent UIComponent FlexSprite Sprite DisplayObjectContainer InteractiveObject DisplayObject EventDispatcher Object |
Implementações | IFocusManagerComponent |
Subclasses | AXMBreadCrumb, AXMButtonBar |
Versão da linguagem: | ActionScript 3.0 |
Versão de produto: | Flex 4 |
Versões de runtime: | Flash Player 10, AIR 1.5 |
The typical use for a button bar is for grouping
a set of related buttons together, which gives them a common look
and navigation, and handling the logic for the change
event
in a single place.
The ButtonBar control creates Button controls based on the value of
its dataProvider
property.
Use methods such as addItem()
and removeItem()
to manipulate the dataProvider
property to add and remove data items.
The ButtonBar control automatically adds or removes the necessary children based on
changes to the dataProvider
property.
To use this component in a list-based component, such as a List or DataGrid, create an item renderer. For information about creating an item renderer, see Custom Spark item renderers.
For non-mobile projects, you can use the ButtonBar control to set the active child of a ViewStack container, as the following example shows:
Note: The Spark list-based controls (the Spark ListBase class and its subclasses
such as ButtonBar, ComboBox, DropDownList, List, and TabBar) do not support the BasicLayout class
as the value of the layout
property.
Do not use BasicLayout with the Spark list-based controls.
<s:ButtonBar dataProvider="{myViewStack}" requireSelection="true" /> <mx:ViewStack id="myViewStack" borderStyle="solid"> <s:NavigatorContent id="search" label="Search"> <s:Label text="Search Screen"/> </s:NavigatorContent> <s:NavigatorContent id="custInfo" label="Customer Info"> <s:Label text="Customer Info"/> </s:NavigatorContent> <s:NavigatorContent id="accountInfo" label="Account Info"> <s:Label text="Account Info"/> </s:NavigatorContent> </mx:ViewStack>
The ButtonBar control has the following default characteristics:
Characteristic | Description |
---|---|
Default size | Large enough to display all buttons |
Minimum size | 0 pixels |
Maximum size | No limit |
Default skin class | spark.skins.spark.ButtonBarSkin |
The <s:ButtonBar>
tag inherits all of the tag
attributes of its superclass and adds the following tag attributes:
<s:ButtonBar />
Propriedade MXML padrãodataProvider
Mais exemplos
Using Spark list-based controls
Spark ButtonBar and TabBar controls
Elementos da API relacionados
Método | Definido por | ||
---|---|---|---|
Constructor. | ButtonBar | ||
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
Registra um objeto de ouvinte de evento em um objeto EventDispatcher, de forma que o ouvinte receba a notificação de um evento. | EventDispatcher | ||
Adds a non-visual style client to this component instance. | UIComponent | ||
Indica se restrições de segurança fariam com que qualquer objeto de exibição fosse omitido da lista retornada com a chamada do método DisplayObjectContainer.getObjectsUnderPoint() junto com o ponto especificado. | DisplayObjectContainer | ||
Queues a function to be called later. | UIComponent | ||
Deletes a style property from this component instance. | UIComponent | ||
Determina se o objeto de exibição especificado é um filho da ocorrência de DisplayObjectContainer ou se é a própria ocorrência. | DisplayObjectContainer | ||
Converts a Point object from content coordinates to global coordinates. | UIComponent | ||
Converts a Point object from content to local coordinates. | UIComponent | ||
Returns a set of properties that identify the child within
this container. | UIComponent | ||
Returns a set of properties that identify the child within
this container. | UIComponent | ||
Creates an id reference to this IUIComponent object
on its parent document object. | UIComponent | ||
Deletes the id reference to this IUIComponent object
on its parent document object. | UIComponent | ||
Returns a UITextFormat object corresponding to the text styles
for this UIComponent. | UIComponent | ||
[substituir]
Dispatches an event into the event flow. | UIComponent | ||
Shows or hides the focus indicator around this component. | UIComponent | ||
drawRoundRect(x:Number, y:Number, w:Number, h:Number, r:Object = null, c:Object = null, alpha:Object = null, rot:Object = null, gradient:String = null, ratios:Array = null, hole:Object = null):void
Programmatically draws a rectangle into this skin's Graphics object. | UIComponent | ||
Called by the effect instance when it stops playing on the component. | UIComponent | ||
Called by the effect instance when it starts playing on the component. | UIComponent | ||
Ends all currently playing effects on the component. | UIComponent | ||
Executes all the bindings for which the UIComponent object is the destination. | UIComponent | ||
Called after printing is complete. | UIComponent | ||
Provides the automation object at the specified index. | UIComponent | ||
Provides the automation object list . | UIComponent | ||
Retorna um retângulo que define a área do objeto de exibição com relação ao sistema de coordenadas do objeto targetCoordinateSpace. | DisplayObject | ||
Returns the x coordinate of the element's bounds at the specified element size. | UIComponent | ||
Returns the y coordinate of the element's bounds at the specified element size. | UIComponent | ||
Retorna o objeto de exibição-filho que existe com o nome especificado. | DisplayObjectContainer | ||
Finds the type selectors for this UIComponent instance. | UIComponent | ||
Returns a layout constraint value, which is the same as
getting the constraint style for this component. | UIComponent | ||
A convenience method for determining whether to use the
explicit or measured height
| UIComponent | ||
A convenience method for determining whether to use the
explicit or measured width
| UIComponent | ||
Gets the object that currently has focus. | UIComponent | ||
Returns the element's layout height. | UIComponent | ||
Returns the element's layout width. | UIComponent | ||
Returns the x coordinate that the element uses to draw on screen. | UIComponent | ||
Returns the y coordinate that the element uses to draw on screen. | UIComponent | ||
Returns the transform matrix that is used to calculate the component's
layout relative to its siblings. | UIComponent | ||
Returns the layout transform Matrix3D for this element. | UIComponent | ||
Returns the element's maximum height. | UIComponent | ||
Returns the element's maximum width. | UIComponent | ||
Returns the element's minimum height. | UIComponent | ||
Returns the element's minimum width. | UIComponent | ||
Retorna uma matriz de objetos que estão dispostos no ponto especificado e são filhos (ou netos e assim por diante) desta ocorrência de DisplayObjectContainer. | DisplayObjectContainer | ||
Returns the element's preferred height. | UIComponent | ||
Returns the element's preferred width. | UIComponent | ||
Retorna um retângulo que define o limite do objeto de exibição, com base no sistema de coordenadas definido pelo parâmetro espaçoCoordenadasDestino, excluindo quaisquer traçados em formas. | DisplayObject | ||
Returns the item in the dataProvider that was used
by the specified Repeater to produce this Repeater, or
null if this Repeater isn't repeated. | UIComponent | ||
Gets a style property that has been set anywhere in this
component's style lookup chain. | UIComponent | ||
Converts a Point object from global to content coordinates. | UIComponent | ||
Converte o objeto de ponto a partir de coordenadas de Palco (globais) em coordenadas do objeto de exibição (locais). | DisplayObject | ||
Converte um ponto bidimensional das coordenadas do Palco (globais) em coordenadas do objeto de exibição tridimensional (locais). | DisplayObject | ||
Returns true if currentCSSState is not null. | UIComponent | ||
Verifica se o objeto EventDispatcher tem ouvintes registrados para um tipo específico de evento. | EventDispatcher | ||
Indica se um objeto tem uma propriedade especificada definida. | Object | ||
Determines whether the specified state has been defined on this
UIComponent. | UIComponent | ||
Avalia a caixa delimitadora do objeto de exibição para ver se ela sobrepõe ou faz interseção com a caixa delimitadora do objeto de exibição obj. | DisplayObject | ||
Avalia o objeto de exibição para ver se ele sobrepõe ou faz interseção com o ponto especificado pelos parâmetros x e y. | DisplayObject | ||
Returns a box Matrix which can be passed to the
drawRoundRect() method
as the rot parameter when drawing a horizontal gradient. | UIComponent | ||
Initializes the internal structure of this component. | UIComponent | ||
Initializes various properties which keep track of repeated instances
of this component. | UIComponent | ||
Marks a component so that its updateDisplayList()
method gets called during a later screen update. | UIComponent | ||
Called by a component's items to indicate that their depth
property has changed. | UIComponent | ||
An element must call this method when its layoutDirection changes or
when its parent's layoutDirection changes. | UIComponent | ||
Marks a component so that its commitProperties()
method gets called during a later screen update. | UIComponent | ||
Marks a component so that its measure()
method gets called during a later screen update. | UIComponent | ||
Marks the component so that the new state of the skin is set
during a later screen update. | SkinnableComponent | ||
Indica se uma ocorrência da classe Object está na cadeia de protótipos do objeto especificado como o parâmetro. | Object | ||
[substituir]
Given a data item, return the correct text a renderer
should display while taking the labelField
and labelFunction properties into account. | ListBase | ||
Converte um ponto tridimensional das coordenadas (locais) do objeto de exibição tridimensional em ponto bidimensional das coordenadas (globais) do Palco. | DisplayObject | ||
Converts a Point object from local to content coordinates. | UIComponent | ||
Converte o objeto de ponto a partir das coordenadas do objeto de exibição (locais) em coordenadas do Palco (globais). | DisplayObject | ||
Returns true if cssState matches currentCSSState. | UIComponent | ||
Determines whether this instance is the same as, or is a subclass of,
the given type. | UIComponent | ||
Measures the specified HTML text, which can contain HTML tags such
as <font> and <b>,
assuming that it is displayed
in a single-line UITextField using a UITextFormat
determined by the styles of this UIComponent. | UIComponent | ||
Measures the specified text, assuming that it is displayed
in a single-line UITextField (or UIFTETextField) using a UITextFormat
determined by the styles of this UIComponent. | UIComponent | ||
Moves the component to a specified position within its parent. | UIComponent | ||
Propagates style changes to the children. | UIComponent | ||
Returns true if the chain of owner properties
points from child to this UIComponent. | UIComponent | ||
Called by Flex when a UIComponent object is added to or removed from a parent. | UIComponent | ||
Prepares an IFlexDisplayObject for printing. | UIComponent | ||
Indica se a propriedade especificada existe e é enumerável. | Object | ||
Builds or rebuilds the CSS style cache for this component
and, if the recursive parameter is true,
for all descendants of this component as well. | UIComponent | ||
For each effect event, registers the EffectManager
as one of the event listeners. | UIComponent | ||
Remove todas as instâncias filho DisplayObject especificadas da lista de filhos da instância DisplayObjectContainer. | DisplayObjectContainer | ||
Remove um ouvinte do objeto EventDispatcher. | EventDispatcher | ||
Removes a non-visual style client from this component instance. | UIComponent | ||
Replays the specified event. | UIComponent | ||
Ativa um teclado virtual. | InteractiveObject | ||
Resolves a child by using the id provided. | UIComponent | ||
[estático]
Resumes the background processing of methods
queued by callLater(), after a call to
suspendBackgroundProcessing(). | UIComponent | ||
Sizes the object. | UIComponent | ||
Sets a layout constraint value, which is the same as
setting the constraint style for this component. | UIComponent | ||
Set the current state. | UIComponent | ||
Sets the focus to this component. | UIComponent | ||
Sets the coordinates that the element uses to draw on screen. | UIComponent | ||
Sets the layout size of the element. | UIComponent | ||
Sets the transform Matrix that is used to calculate the component's layout
size and position relative to its siblings. | UIComponent | ||
Sets the transform Matrix3D that is used to calculate the component's layout
size and position relative to its siblings. | UIComponent | ||
Define a disponibilidade de uma propriedade dinâmica para operações de repetição. | Object | ||
Sets a style property on this component instance. | UIComponent | ||
Called when the visible property changes. | UIComponent | ||
Permite ao usuário arrastar a entidade gráfica especificada. | Sprite | ||
Deixa o usuário arrastar o sprite especificado em um dispositivo ativado pelo toque. | Sprite | ||
Interrompe repetitivamente a execução da linha de tempo de todos os MovieClips enraizados neste objeto. | DisplayObjectContainer | ||
Finaliza o método startDrag(). | Sprite | ||
Termina o método startTouchDrag() para o uso com dispositivos ativados pelo toque. | Sprite | ||
Detects changes to style properties. | UIComponent | ||
Flex calls the stylesInitialized() method when
the styles for a component are first initialized. | UIComponent | ||
[estático]
Blocks the background processing of methods
queued by callLater(),
until resumeBackgroundProcessing() is called. | UIComponent | ||
Retorna a representação da string deste objeto, formatado segundo as convenções específicas para a localidade. | Object | ||
[substituir]
Returns a string indicating the location of this object
within the hierarchy of DisplayObjects in the Application. | FlexSprite | ||
transformAround(transformCenter:Vector3D, scale:Vector3D = null, rotation:Vector3D = null, translation:Vector3D = null, postLayoutScale:Vector3D = null, postLayoutRotation:Vector3D = null, postLayoutTranslation:Vector3D = null, invalidateLayout:Boolean = true):void
A utility method to update the rotation, scale, and translation of the
transform while keeping a particular point, specified in the component's
own coordinate space, fixed in the parent's coordinate space. | UIComponent | ||
A utility method to transform a point specified in the local
coordinates of this object to its location in the object's parent's
coordinates. | UIComponent | ||
Updates an item renderer for use or reuse. | SkinnableDataContainer | ||
Validates the position and size of children and draws other
visuals. | UIComponent | ||
Validate and update the properties and layout of this object
and redraw it, if necessary. | UIComponent | ||
Used by layout logic to validate the properties of a component
by calling the commitProperties() method. | UIComponent | ||
Validates the measured size of the component
If the LayoutManager.invalidateSize() method is called with
this ILayoutManagerClient, then the validateSize() method
is called when it's time to do measurements. | UIComponent | ||
Handles both the valid and invalid events from a
validator assigned to this component. | UIComponent | ||
Retorna o valor primitivo do objeto especificado. | Object | ||
Returns a box Matrix which can be passed to drawRoundRect()
as the rot parameter when drawing a vertical gradient. | UIComponent | ||
Verifica se um ouvinte de evento está registrado nesse objeto EventDispatcher ou em qualquer um de seus ancestrais para o tipo de evento especificado. | EventDispatcher |
Os estilos são comuns ou associados a um tema específico. Se o estilo for comum, poderá ser usado com qualquer tema. Se o estilo for associado a um tema específico, só poderá ser usado se o seu aplicativo usar esse tema.
Este componente usa capas compostas de partes de capas. Não defina as partes de capa diretamente. A capa do componente define as partes da capa.
Parte da capa | Descrição | Definido por | ||
---|---|---|---|---|
Obrigatório: false Tipo da parte: Estático Versão da linguagem: ActionScript 3.0 Versão de produto: Flex 4 Versões de runtime: Flash10, AIR 1.5 An optional skin part that defines the DataGroup in the skin class where data items get pushed into, rendered, and laid out. | SkinnableDataContainer | |||
firstButton:IFactory | Obrigatório: false Tipo da parte: Dinâmico Versão da linguagem: ActionScript 3.0 Versão de produto: Flex 4 Versões de runtime: Flash10, AIR 1.5 A skin part that defines the first button. O IFactory deve retornar um objeto do tipo IVisualElement. | ButtonBar | ||
lastButton:IFactory | Obrigatório: false Tipo da parte: Dinâmico Versão da linguagem: ActionScript 3.0 Versão de produto: Flex 4 Versões de runtime: Flash10, AIR 1.5 A skin part that defines the last button. O IFactory deve retornar um objeto do tipo IVisualElement. | ButtonBar | ||
middleButton:IFactory | Obrigatório: true Tipo da parte: Dinâmico Versão da linguagem: ActionScript 3.0 Versão de produto: Flex 4 Versões de runtime: Flash10, AIR 1.5 A skin part that defines the middle button(s). O IFactory deve retornar um objeto do tipo IVisualElement. | ButtonBar |
Para encapar o componente, implemente uma capa que define os seguintes estados. Embora você deva implementar todos os estados de capa, um estado de capa pode estar vazio. Um estado de capa vazio não especifica nenhuma modificação ao estado de capa padrão.
ButtonBar | () | Construtor |
public function ButtonBar()
Versão da linguagem: | ActionScript 3.0 |
Versão de produto: | Flex 4 |
Versões de runtime: | Flash Player 10, AIR 1.5 |
Constructor.
<?xml version="1.0"?> <!-- Simple example to demonstrate the Spark ButtonBar --> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"> <fx:Style> @namespace "library://ns.adobe.com/flex/spark"; ButtonBar ToggleButton:upAndSelected, ButtonBar ToggleButton:overAndSelected, ButtonBar ToggleButton:downAndSelected, ButtonBar ToggleButton:disabledAndSelected { chromeColor: #663366; color: #9999CC; } ButtonBar { chromeColor: #9999CC; color: #663366; } </fx:Style> <fx:Script> <![CDATA[ import spark.events.IndexChangeEvent; private function changeSelection(event:IndexChangeEvent): void { selectionText.text = "Selected Item: " + ButtonBar(event.target).selectedItem; } ]]> </fx:Script> <s:Panel title="Spark ButtonBar Example" width="75%" height="75%" horizontalCenter="0" verticalCenter="0"> <s:Label text="Select an item below:" x="10" y="15" /> <s:ButtonBar id="viewMenu" requireSelection="true" x="10" y="40" width="320" change="changeSelection(event)"> <s:dataProvider> <s:ArrayCollection source="['Home', 'Rooms', 'Dining']" /> </s:dataProvider> </s:ButtonBar> <s:Label x="10" y="75" id="selectionText" /> </s:Panel> </s:Application>
Wed Jun 13 2018, 11:10 AM Z