Package | spark.layouts |
Class | public class FormLayout |
Inheritance | FormLayout VerticalLayout LayoutBase OnDemandEventDispatcher Object |
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
Note: Only use the FormLayout class with the Spark Form container. Do not use it to lay out the contents of any other container.
See also
Method | Defined By | ||
---|---|---|---|
Constructor. | FormLayout | ||
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void | OnDemandEventDispatcher | ||
Calculates the drop location in the data provider of the drop target for
the specified dragEvent. | LayoutBase | ||
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 | OnDemandEventDispatcher | ||
elementAdded(index:int):void
Called by the target after a layout element
has been added and before the target's size and display list are
validated. | LayoutBase | ||
elementRemoved(index:int):void
This method must is called by the target after a layout element
has been removed and before the target's size and display list are
validated. | LayoutBase | ||
fractionOfElementInView(index:int):Number
Returns 1.0 if the specified index is completely in view, 0.0 if
it's not, or a value between 0.0 and 1.0 that represents the percentage
of the if the index that is partially in view. | VerticalLayout | ||
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 | ||
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 | OnDemandEventDispatcher | ||
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 | ||
measure():void
Measures the target's default size based on its content, and optionally
measures the target's default minimum size. | LayoutBase | ||
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void | OnDemandEventDispatcher | ||
showDropIndicator(dropLocation:DropLocation):void
Sizes, positions and parents the drop indicator based on the specified
drop location. | LayoutBase | ||
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 | ||
willTrigger(type:String):Boolean | OnDemandEventDispatcher |