FlowLayout

包	com.adobe.mosaic.layouts
类	public class FlowLayout
继承	FlowLayout MosaicLayoutBase LayoutBase OnDemandEventDispatcher Object

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

The Flow layout arranges the children of its target group one after the other until no more can fit across (or down). The next element that cannot fit is placed onto a new row (or column).

公共属性

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	属性		由以下参数定义
		animationDuration : int The amount of time to give any annimation to run its course.	MosaicLayoutBase
		clipAndEnableScrolling : Boolean 如果为 true，指定将子代剪切到视区的边界。	LayoutBase
		constructor : Object 对类对象或给定对象实例的构造函数的引用。	Object
		dropIndicator : DisplayObject 该布局在拖放操作过程中用于拖放指示符的 DisplayObject。	LayoutBase
		effectEndHandler : Function The function used to handle EffectEvent events.	MosaicLayoutBase
		horizontalGap : int The spacing between the columns.	MosaicLayoutBase
		horizontalScrollPosition : Number 组件的坐标系中视域原点（默认值为 (0,0)，与组件的左上角相对应）的 x 坐标。	LayoutBase
		orientation : String The layout can be filled either column-wise (default) or row-wise.	FlowLayout
		paddingBottom : int The space between the container edge and the bottom row of items.	MosaicLayoutBase
		paddingLeft : int The space between the container edge and the left column of items.	MosaicLayoutBase
		paddingRight : int The space between the container edge and the right column of items.	MosaicLayoutBase
		paddingTop : int The space between the container edge and the top row of items.	MosaicLayoutBase
		target : GroupBase [覆盖] Called when the target group is set for this layout.	MosaicLayoutBase
		typicalLayoutElement : ILayoutElement 当请求固定的行/列大小而未指定某个特定大小时，由布局所使用。	LayoutBase
		useVirtualLayout : Boolean 一个容器可包含任意数量的子项。	LayoutBase
		verticalGap : int The spacing between the rows.	MosaicLayoutBase
		verticalScrollPosition : Number 组件的坐标系中视区的原点（默认值为 (0,0)，与组件的左上角相对应）的 y 坐标。	LayoutBase

受保护的属性

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	属性		由以下参数定义
		effectList : Parallel A collection of effects to play in parallel.	MosaicLayoutBase
		elementBeingRemoved : int = -1 The index of the element being removed, referenced to generate the special effects to display the removal, and then reset to -1 (default).	MosaicLayoutBase
		layoutUndefined : Boolean = true Default is true.	MosaicLayoutBase
		maximized : Boolean = false Default is false.	MosaicLayoutBase
		maximizedElement : IVisualElement The IVisualElement being maximized.	MosaicLayoutBase
		measuredMaxHeight : Number The measured maximum height of an element.	MosaicLayoutBase
		measuredMaxWidth : Number The measured maximum width of an element.	MosaicLayoutBase
		minimizedElements : Array The Array of IVisualElement elements currently minimized.	MosaicLayoutBase
		restoreCellHeight : Number The height to restore a minimized element to.	MosaicLayoutBase
		restoreCellWidth : Number The width to restore a minimized element to.	MosaicLayoutBase

公共方法

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	方法		由以下参数定义
		FlowLayout() Constructor	FlowLayout
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void 使用 EventDispatcher 对象注册事件侦听器对象，以使侦听器能够接收事件通知。	OnDemandEventDispatcher
		calculateDropLocation(dragEvent:DragEvent):DropLocation [覆盖] Returns the location of the drop based on the event given.	MosaicLayoutBase
		clearVirtualLayoutCache():void 如果 useVirtualLayout 为 true，则当布局目标改变时，布局目标可以使用此方法来清除已缓存布局信息。	LayoutBase
		dispatchEvent(event:Event):Boolean 将事件调度到事件流中。	OnDemandEventDispatcher
		elementAdded(index:int):void [覆盖] Called whenever an element is added to the target.	MosaicLayoutBase
		elementRemoved(index:int):void [覆盖] Called whenever an element is removed.	MosaicLayoutBase
		getElementBounds(index:int):Rectangle 如果索引无效、相应的元素为 null、includeInLayout=false，或者如果此布局的 target 属性为 null，则将指定元素的布局界限返回为 Rectangle 或 null。	LayoutBase
		getHorizontalScrollPositionDelta(navigationUnit:uint):Number 返回对水平滚动位置的更改以处理不同的滚动选项。	LayoutBase
		getLayoutChildAt(index:int):ILayoutChild Returns the ILayoutChild that occupies the given display list index.	MosaicLayoutBase
		getNavigationDestinationIndex(currentIndex:int, navigationUnit:uint, arrowKeysWrapFocus:Boolean):int 确定根据 NavigationUnit、基于当前处于焦点的项目和用户输入要导航到哪个项目的委派方法。	LayoutBase
		getScrollPositionDeltaToElement(index:int):Point 计算所需的 verticalScrollPosition 和 horizontalScrollPosition delta，以将处于指定索引处的元素滚动到视图中。	LayoutBase
		getVerticalScrollPositionDelta(navigationUnit:uint):Number 返回对垂直滚动位置的更改以处理不同的滚动选项。	LayoutBase
		hasEventListener(type:String):Boolean 检查 EventDispatcher 对象是否为特定事件类型注册了任何侦听器。	OnDemandEventDispatcher
		hasOwnProperty(name:String):Boolean 表示对象是否已经定义了指定的属性。	Object
		hideDropIndicator():void 隐藏由 showDropIndicator() 方法创建的先前显示的拖放指示符，将其从显示列表中删除，还将停止拖放滚动。	LayoutBase
		isMaximized():Boolean When a value of true is return, this layout is currently showing a maximized child element.	MosaicLayoutBase
		isPrototypeOf(theClass:Object):Boolean 表示 Object 类的实例是否在指定为参数的对象的原型链中。	Object
		maximizeElement(element:IVisualElement):void Maximizes the given element to take up entire target space (minus padding, of course).	MosaicLayoutBase
		measure():void 基于目标的内容测量其默认大小，并（可选）测量目标的默认最小大小。	LayoutBase
		propertyIsEnumerable(name:String):Boolean 表示指定的属性是否存在、是否可枚举。	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void 从 EventDispatcher 对象中删除侦听器。	OnDemandEventDispatcher
		restoreMaximizedElement(element:IVisualElement):void Restores an element that has been maximized.	MosaicLayoutBase
		restoreVanishedElement(element:IVisualElement):void Handles the layout side of restoring a previously minimized element by making it appear.	MosaicLayoutBase
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void 设置循环操作动态属性的可用性。	Object
		showDropIndicator(dropLocation:DropLocation):void 根据指定的拖放位置调整拖放指示符的大小、确定其位置并设置其父代。	LayoutBase
		toLocaleString():String 返回此对象的字符串表示形式，其格式设置遵守区域设置特定的约定。	Object
		toString():String 返回指定对象的字符串表示形式。	Object
		updateDisplayList(width:Number, height:Number):void 调整目标的元素的大小并定位这些元素。	LayoutBase
		updateScrollRect(w:Number, h:Number):void 在其 updateDisplayList 的结尾由目标调用，以使布局更新其 scrollRect。	LayoutBase
		valueOf():Object 返回指定对象的原始值。	Object
		vanishElement(element:IVisualElement):void Handles the layout side of a minimized element by making it disappear.	MosaicLayoutBase
		willTrigger(type:String):Boolean 检查是否用此 EventDispatcher 对象或其任何祖代为指定事件类型注册了事件侦听器。	OnDemandEventDispatcher

受保护的方法

隐藏继承的受保护方法

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	方法		由以下参数定义
		calculateColumnLayout(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array Determines the size and position of the elements in a column-oriented flow.	FlowLayout
		calculateDragScrollDelta(dropLocation:DropLocation, elapsedTime:Number):Point 计算在拖放动作中为指定 dropLocation 滚动的数量。	LayoutBase
		calculateDropIndex(x:Number, y:Number):int [覆盖] Locates the item under the point using a simple look-up, accounting for horizontal and vertical gaps.	MosaicLayoutBase
		calculateDropIndicatorBounds(dropLocation:DropLocation):Rectangle [覆盖] Creates the bounding rectangle for the drop indicator.	FlowLayout
		calculateLayoutPositions(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array [覆盖] Determines where the elements are positioned in the flow, based on the setting of orientation.	FlowLayout
		calculateRowLayout(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array Determines the size and position of the elements in a row-oriented flow.	FlowLayout
		displayRemovedElements():void Generates a series of Move and Resize effects for item being placing them into their new positions.	MosaicLayoutBase
		getElementBoundsAboveScrollRect(scrollRect:Rectangle):Rectangle 返回跨越 scrollRect 的顶边或在其顶边之上的第一个布局元素的界限。	LayoutBase
		getElementBoundsBelowScrollRect(scrollRect:Rectangle):Rectangle 返回跨越 scrollRect 的底边或在其底边之下的第一个布局元素的界限。	LayoutBase
		getElementBoundsLeftOfScrollRect(scrollRect:Rectangle):Rectangle 返回跨越 scrollRect 的左边或在其左边左侧的第一个布局元素的界限。	LayoutBase
		getElementBoundsRightOfScrollRect(scrollRect:Rectangle):Rectangle 返回跨越 scrollRect 的右边或在其右边右侧的第一个布局元素的界限。	LayoutBase
		getScrollRect():Rectangle 返回布局坐标中目标的滚动矩形的界限。	LayoutBase
		maximizedLayout(width:Number, height:Number):void Sizes and positions the maximized element.	MosaicLayoutBase
		normalLayout(width:Number, height:Number):void The layout to use when operating in a non-maximized mode.	MosaicLayoutBase
		onEffectEnd(event:EffectEvent):void Called when the effects are over to reset the elementBeingMoved value.	MosaicLayoutBase
		scrollPositionChanged():void verticalScrollPosition 或 horizontalScrollPosition 属性更改时调用。	LayoutBase

属性详细信息

orientation

属性

orientation:String

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

The layout can be filled either column-wise (default) or row-wise. When the layout is being filled column-wise, the items flow from left to right, top to bottom. When the layout is filled row-wise, the items flow from top to bottom, left to right.

此属性可用作数据绑定的源。修改此属性后，将调度 propertyChange 事件。

实现
public function get orientation():String
public function set orientation(value:String):void

构造函数详细信息

()

构造函数

public function FlowLayout()

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

Constructor

方法详细信息

calculateColumnLayout

()

方法

protected function calculateColumnLayout(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

Determines the size and position of the elements in a column-oriented flow.

参数

	`width:Number` — The maximum horizontal space allowed.

	`height:Number` — The vertical space.

	`updateInPlace:Boolean` — If true, the elements are positioned.

	`returnArray:Boolean` — If true, an array of positions are returned.

Array — Array of child positions or null.

calculateDropIndicatorBounds

()

方法

override protected function calculateDropIndicatorBounds(dropLocation:DropLocation):Rectangle

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

Creates the bounding rectangle for the drop indicator. This will either appear left of the item at the drop location or to its right, depending on the position of the mouse within the item.

参数

dropLocation:DropLocation — The position within the layout where the drop can be expected.

Rectangle — A rectangle the describes the area of the drop.

calculateLayoutPositions

()

方法

override protected function calculateLayoutPositions(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

Determines where the elements are positioned in the flow, based on the setting of orientation.

参数

	`width:Number` — The maximum allowed width.

	`height:Number` — The maximum allowed height.

	`updateInPlace:Boolean` — If true, the elements are sized and positioned.

	`returnArray:Boolean` — If true, an Array of sizes and positions are returned.

Array — Array of sizes and positions or null. Each item of the array should have: {child (the element), newX, newY, newWidth, newHeight}

calculateRowLayout

()

方法

protected function calculateRowLayout(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array

语言版本:

ActionScript 3.0

产品版本:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

运行时版本:

AIR 2.6, Flash Player 10.2

Determines the size and position of the elements in a row-oriented flow.

参数

	`width:Number` — The maximum horizontal space allowed.

	`height:Number` — The maximum vertical space.

	`updateInPlace:Boolean` — If true, the elements are positioned.

	`returnArray:Boolean` — If true, an array of positions are returned.

Array — Array of child positions or null.

法律声明 | 在线隐私策略

FlowLayout - AS3 ADEP Composite Application

类 x

orientation

FlowLayout

calculateColumnLayout

calculateDropIndicatorBounds

calculateLayoutPositions

calculateRowLayout