MosaicLayoutBase

Pacchetto	com.adobe.mosaic.layouts
Classe	public class MosaicLayoutBase
Ereditarietà	MosaicLayoutBase LayoutBase OnDemandEventDispatcher Object
Sottoclassi	FlowLayout, SmartColumnLayout, SmartGridLayout, SmartRowLayout

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Adobe Digital Enterprise Platform Experience Services - Composite Application Framework 10

Versioni runtime:

AIR 2.6, Flash Player 10.2

The MosaicLayoutBase component is the base class for most composite application layouts, such as FlowLayout and SmartGridLayout.

Layouts using this base class must support padding, vertical and horizontal gaps, when placing their Group's children.

All layouts derived from MosaicLayoutBase automatically get maximize capability as well as some animation effects (eg, when an item is deleted).

The calculateLayoutPositions() function is the key layout function and should be overridden in every sub-class. This is the function that distinguishes one layout from another.

Proprietà pubbliche

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	Proprietà		Definito da
		animationDuration : int The amount of time to give any annimation to run its course.	MosaicLayoutBase
		clipAndEnableScrolling : Boolean If true, specifies to clip the children to the boundaries of the viewport.	LayoutBase
		constructor : Object Un riferimento all'oggetto classe o alla funzione di costruzione per una determinata istanza di oggetto.	Object
		dropIndicator : DisplayObject The DisplayObject that this layout uses for the drop indicator during a drag-and-drop operation.	LayoutBase
		effectEndHandler : Function The function used to handle EffectEvent events.	MosaicLayoutBase
		horizontalGap : int The spacing between the columns.	MosaicLayoutBase
		horizontalScrollPosition : Number The x coordinate of the origin of the viewport in the component's coordinate system, where the default value is (0,0) corresponding to the upper-left corner of the component.	LayoutBase
		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 [override] Called when the target group is set for this layout.	MosaicLayoutBase
		typicalLayoutElement : ILayoutElement Used by layouts when fixed row/column sizes are requested but a specific size isn't specified.	LayoutBase
		useVirtualLayout : Boolean A container can hold any number of children.	LayoutBase
		verticalGap : int The spacing between the rows.	MosaicLayoutBase
		verticalScrollPosition : Number The y coordinate of the origin of the viewport in the component's coordinate system, where the default value is (0,0) corresponding to the upper-left corner of the component.	LayoutBase

Proprietà protette

	Proprietà		Definito da
		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

Metodi pubblici

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	Metodo		Definito da
		MosaicLayoutBase() Constructor	MosaicLayoutBase
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.	OnDemandEventDispatcher
		calculateDropLocation(dragEvent:DragEvent):DropLocation [override] Returns the location of the drop based on the event given.	MosaicLayoutBase
		clearVirtualLayoutCache():void When useVirtualLayout is true, this method can be used by the layout target to clear cached layout information when the target changes.	LayoutBase
		dispatchEvent(event:Event):Boolean Dispatches an event into the event flow.	OnDemandEventDispatcher
		elementAdded(index:int):void [override] Called whenever an element is added to the target.	MosaicLayoutBase
		elementRemoved(index:int):void [override] Called whenever an element is removed.	MosaicLayoutBase
		getElementBounds(index:int):Rectangle Returns the specified element's layout bounds as a Rectangle or null if the index is invalid, the corresponding element is null, includeInLayout=false, or if this layout's target property is null.	LayoutBase
		getHorizontalScrollPositionDelta(navigationUnit:uint):Number Returns the change to the horizontal scroll position to handle different scrolling options.	LayoutBase
		getLayoutChildAt(index:int):ILayoutChild Returns the ILayoutChild that occupies the given display list index.	MosaicLayoutBase
		getNavigationDestinationIndex(currentIndex:int, navigationUnit:uint, arrowKeysWrapFocus:Boolean):int Delegation method that determines which item to navigate to based on the current item in focus and user input in terms of NavigationUnit.	LayoutBase
		getScrollPositionDeltaToElement(index:int):Point Computes the verticalScrollPosition and horizontalScrollPosition deltas needed to scroll the element at the specified index into view.	LayoutBase
		getVerticalScrollPositionDelta(navigationUnit:uint):Number Returns the change to the vertical scroll position to handle different scrolling options.	LayoutBase
		hasEventListener(type:String):Boolean Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	OnDemandEventDispatcher
		hasOwnProperty(name:String):Boolean Indica se per un oggetto è definita una proprietà specifica.	Object
		hideDropIndicator():void Hides the previously shown drop indicator, created by the showDropIndicator() method, removes it from the display list and also stops the drag scrolling.	LayoutBase
		isMaximized():Boolean When a value of true is return, this layout is currently showing a maximized child element.	MosaicLayoutBase
		isPrototypeOf(theClass:Object):Boolean Indica se un'istanza della classe Object si trova nella catena di prototipi dell'oggetto specificato come parametro.	Object
		maximizeElement(element:IVisualElement):void Maximizes the given element to take up entire target space (minus padding, of course).	MosaicLayoutBase
		measure():void Measures the target's default size based on its content, and optionally measures the target's default minimum size.	LayoutBase
		propertyIsEnumerable(name:String):Boolean Indica se la proprietà specificata esiste ed è enumerabile.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	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 Imposta la disponibilità di una proprietà dinamica per le operazioni cicliche.	Object
		showDropIndicator(dropLocation:DropLocation):void Sizes, positions and parents the drop indicator based on the specified drop location.	LayoutBase
		toLocaleString():String Restituisce la rappresentazione in formato stringa di questo oggetto, formattato in base alle convenzioni specifiche per le versioni localizzate.	Object
		toString():String Restituisce la rappresentazione in formato stringa dell'oggetto specificato.	Object
		updateDisplayList(width:Number, height:Number):void Sizes and positions the target's elements.	LayoutBase
		updateScrollRect(w:Number, h:Number):void Called by the target at the end of its updateDisplayList to have the layout update its scrollRect.	LayoutBase
		valueOf():Object Restituisce il valore di base dell'oggetto specificato.	Object
		vanishElement(element:IVisualElement):void Handles the layout side of a minimized element by making it disappear.	MosaicLayoutBase
		willTrigger(type:String):Boolean Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	OnDemandEventDispatcher

Metodi protetti

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	Metodo		Definito da
		calculateDragScrollDelta(dropLocation:DropLocation, elapsedTime:Number):Point Calculates how much to scroll for the specified dropLocation during a drag and drop gesture.	LayoutBase
		calculateDropIndex(x:Number, y:Number):int [override] Locates the item under the point using a simple look-up, accounting for horizontal and vertical gaps.	MosaicLayoutBase
		calculateDropIndicatorBounds(dropLocation:DropLocation):Rectangle Calculates the bounds for the drop indicator that provides visual feedback to the user of where the items will be inserted at the end of a drag and drop gesture.	LayoutBase
		calculateLayoutPositions(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array This is the key function of the layout.	MosaicLayoutBase
		displayRemovedElements():void Generates a series of Move and Resize effects for item being placing them into their new positions.	MosaicLayoutBase
		getElementBoundsAboveScrollRect(scrollRect:Rectangle):Rectangle Returns the bounds of the first layout element that either spans or is above the scrollRect's top edge.	LayoutBase
		getElementBoundsBelowScrollRect(scrollRect:Rectangle):Rectangle Returns the bounds of the first layout element that either spans or is below the scrollRect's bottom edge.	LayoutBase
		getElementBoundsLeftOfScrollRect(scrollRect:Rectangle):Rectangle Returns the bounds of the first layout element that either spans or is to the left of the scrollRect's left edge.	LayoutBase
		getElementBoundsRightOfScrollRect(scrollRect:Rectangle):Rectangle Returns the bounds of the first layout element that either spans or is to the right of the scrollRect's right edge.	LayoutBase
		getScrollRect():Rectangle Returns the bounds of the target's scroll rectangle in layout coordinates.	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 Called when the verticalScrollPosition or horizontalScrollPosition properties change.	LayoutBase

Descrizione delle proprietà

Descrizione della funzione di costruzione

Descrizione dei metodi

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	`width:Number` — Specifies the maximum allowed width.

	`height:Number` — Specifies the maximum allowed height.

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

	`returnArray:Boolean` — when true, an array of sizes and positions are returned.

	`x:Number` — Specifies the horizontal position of the point.

	`y:Number` — Specifies the vertical position of the point.

	`width:Number` — Specifies the width of the target group area.

	`height:Number` — Specifies the height of the target group area.

MosaicLayoutBase - AS3 ADEP Composite Application

Pacchetto com.adobe.mosaic.layouts

animationDuration

effectEndHandler

effectList

elementBeingRemoved

horizontalGap

layoutUndefined

maximized

maximizedElement

measuredMaxHeight

measuredMaxWidth

minimizedElements

paddingBottom

paddingLeft

paddingRight

paddingTop

restoreCellHeight

restoreCellWidth

target

verticalGap

calculateDropIndex

calculateDropLocation

calculateLayoutPositions

displayRemovedElements

elementAdded

elementRemoved

getLayoutChildAt

isMaximized

maximizedLayout

maximizeElement

normalLayout

onEffectEnd

restoreMaximizedElement

restoreVanishedElement

vanishElement