SmartGridLayout

Pacchetto	com.adobe.mosaic.layouts
Classe	public class SmartGridLayout
Ereditarietà	SmartGridLayout MosaicLayoutBase LayoutBase OnDemandEventDispatcher Object

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 SmartGridLayout places its target Group's children into a grid pattern, but with a twist. Most grid layout have uniform cells with the size of the cell either determined by the size of the largest child or by explicit row and column sizes.

The SmartGridLayout is different: it tries to maximimze the space in order to present as much of the child components as possible. If there is only one child, that child takes up 100% of the space, filling the area of the target Group. If there are two children, the SmartGrid divides the space in half, but gives each child 100% of the height. The children are separated into columns up to the maxNumColumns number of columns is reached.

Once the first row is filled out, the space is divided evenly amoung the children, shrinking the children in height, but maintaining the maxNumColumns number of columns. Once the child-height reaches minRowHeight the children stop shrinking and continue to fill the space vertically. If the target Group is contained within a Scroller, scrollbars should appear.

This layout does not support virtual layouts.

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
		maxNumColumns : int The maximum number of columns the grid should display when orientation is set to "columns".	SmartGridLayout
		maxNumRows : int The maximum number of rows the grid should display with orientation is set to "rows".	SmartGridLayout
		minColumnWidth : Number The minimum size a column may become.	SmartGridLayout
		minRowHeight : Number The minimum size a row may become.	SmartGridLayout
		orientation : String The grid can be filled either column-wise (default) or row-wise.	SmartGridLayout
		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

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	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
		SmartGridLayout() Constructor	SmartGridLayout
		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] Determines the location of the drop (should it happen) and returns that information in the form of a DropLocation.	SmartGridLayout
		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 [override] Called when the target requires measurement.	SmartGridLayout
		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 [override] Determines the size and position of the drop indicator, returning an Rectangle with the proper boundaries.	SmartGridLayout
		calculateLayoutPositions(width:Number, height:Number, updateInPlace:Boolean, returnArray:Boolean):Array [override] Sizes and positions the target's elements in the normal fashion for this layout.	SmartGridLayout
		calculateSizes():void Called to calculate key variables.	SmartGridLayout
		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
		numValidElements():int Returns the number of elements that can be seen.	SmartGridLayout
		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

maxNumColumns

proprietà

maxNumColumns:int

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 maximum number of columns the grid should display when orientation is set to "columns". The grid may show less columns but never any more than this number.

Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .

Implementazione
public function get maxNumColumns():int
public function set maxNumColumns(value:int):void

maxNumRows

proprietà

maxNumRows:int

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 maximum number of rows the grid should display with orientation is set to "rows". The grid may show less rows but never more than this number.

Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .

Implementazione
public function get maxNumRows():int
public function set maxNumRows(value:int):void

minColumnWidth

proprietà

minColumnWidth:Number

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 minimum size a column may become. Adding more items to the target may shrink the item but never less than this amount. The target may acquire scrollbars if the item will not fit in the target's visible space. This property applies only when orientation is set to "rows".

Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .

Implementazione
public function get minColumnWidth():Number
public function set minColumnWidth(value:Number):void

minRowHeight

proprietà

minRowHeight:Number

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 minimum size a row may become. Adding more items to the target may shrink the item but never less than this amount. The target may acquire scrollbars if the item will not fit in the target's visible space. This property applies only when orientation is set to "columns".

Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .

Implementazione
public function get minRowHeight():Number
public function set minRowHeight(value:Number):void

orientation

proprietà

orientation:String

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

Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .

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

Descrizione della funzione di costruzione

()

Funzione di costruzione

public function SmartGridLayout()

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

Constructor

Descrizione dei metodi

calculateDropIndicatorBounds

()

metodo

override protected function calculateDropIndicatorBounds(dropLocation:DropLocation):Rectangle

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

Determines the size and position of the drop indicator, returning an Rectangle with the proper boundaries. The dropLocation always points to the item being moved, so the indicator is almost always drawn to its left (column orientation) or top (row orientation). If the location points to the last item (the index is equal to the number of items in the target), then the indicator is drawn to its right (column) or bottom (row).

Parametri

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

Restituisce

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

calculateDropLocation

()

metodo

override public function calculateDropLocation(dragEvent:DragEvent):DropLocation

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

Determines the location of the drop (should it happen) and returns that information in the form of a DropLocation. However, since this layout is row,column based and index may not be meaningful, the object returned is an instance of MosaicDropLocation that contains row and column index information.

Parametri

dragEvent:DragEvent — The event that contains the position of the mouse.

Restituisce

DropLocation — The location where the drop could happen.

calculateLayoutPositions

()

metodo

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

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

Sizes and positions the target's elements in the normal fashion for this layout.

Parametri

	`width:Number` — The width of the target Group's area.

	`height:Number` — The height of the target Group's area.

	`updateInPlace:Boolean` — If true, the children are changed, if false, they are left as-is.

	`returnArray:Boolean` — If true, an array of row and column positions is returned.

Restituisce

Array — An array of row and column positions for each child or an empty array if returnArray is false.

calculateSizes

()

metodo

protected function calculateSizes():void

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

Called to calculate key variables.

measure

()

metodo

override public function measure():void

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

Called when the target requires measurement.

numValidElements

()

metodo

protected function numValidElements():int

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

Returns the number of elements that can be seen.

Restituisce

int — Number of elements that can be seen.

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SmartGridLayout - AS3 ADEP Composite Application

Classi x

maxNumColumns

maxNumRows

minColumnWidth

minRowHeight

orientation