| Package | com.yahoo.astra.layout.modes | 
| Class | public class BorderLayout | 
| Inheritance | BorderLayout  BaseLayoutMode  flash.events.EventDispatcher | 
| Implements | IAdvancedLayoutMode | 
Advanced Client Options:
Client configuration parameters allow a developer to specify
  behaviors for individual children of the target container. To set these
  advanced options, one must call addClient() on the BorderLayout
  instance and pass the child to configure along with an object specifying
  the configuration parameters.
  var border:BorderLayout = new BorderLayout();
  border.addClient( headerSprite, { constraint: BorderConstraints.TOP } );
  border.addClient( contentSprite,
  {
      constraint: BorderConstraints.CENTER,
      maintainAspectRatio: true,
      horizontalAlign: HorizontalAlignment.CENTER,
      verticalAlign: VerticalAlignment.MIDDLE
  });
  border.addClient( footerSprite, { constraint: BorderConstraints.BOTTOM } );
  
  var container:LayoutContainer = new LayoutContainer();
  container.layoutMode = border;
  this.addChild( container );
  Several client parameters are available with the BorderLayout algorithm:
constraint : StringBorderConstraints.CENTER.maintainAspectRatio : BooleanhorizontalAlign : StringmaintainAspectRatio.verticalAlign : StringmaintainAspectRatio.aspectRatio : NumbermaintainAspectRatio. This value is optional.
    If no aspect ratio is provided, it will be determined based on the target's original width and height.includeInLayout : Booleanfalse, the target will not be included in layout calculations. The default value is true.See also
| Property | Defined by | ||
|---|---|---|---|
| horizontalGap : Number 
   The number of horizontal pixels between each item displayed by this
   container. | BorderLayout | ||
|  | paddingBottom : Number 
   The number of pixels displayed at the bottom of the target's children. | BaseLayoutMode | |
|  | paddingLeft : Number 
   The number of pixels displayed at the left of the target's children. | BaseLayoutMode | |
|  | paddingRight : Number 
   The number of pixels displayed at the right of the target's children. | BaseLayoutMode | |
|  | paddingTop : Number 
   The number of pixels displayed at the top of the target's children. | BaseLayoutMode | |
| verticalGap : Number 
   The number of vertical pixels between each item displayed by this
   container. | BorderLayout | ||
| Method | Defined by | ||
|---|---|---|---|
| 
   Constructor. | BorderLayout | ||
|  | 
addClient(target:DisplayObject, configuration:Object = null):void 
   
   Registers a specific display object with the layout algorithm. | BaseLayoutMode | |
|  | 
hasClient(target:DisplayObject):Boolean 
   
   Returns true if a display object has been registered as a client. | BaseLayoutMode | |
| 
layoutObjects(displayObjects:Array, bounds:Rectangle):Rectangle 
   
   
   The DisplayObjects in the input parameter will be positioned and sized
   based on a specified rectangle. | BorderLayout | ||
|  | 
removeClient(target:DisplayObject):void 
   
   Unregisters a specific display object from the layout algorithm. | BaseLayoutMode | |
| horizontalGap | property | 
horizontalGap:Number  [read-write]The number of horizontal pixels between each item displayed by this container.
Implementation    public function get horizontalGap():Number
    public function set horizontalGap(value:Number):void
| verticalGap | property | 
verticalGap:Number  [read-write]The number of vertical pixels between each item displayed by this container.
Implementation    public function get verticalGap():Number
    public function set verticalGap(value:Number):void
| BorderLayout | () | constructor | 
public function BorderLayout()Constructor.
| layoutObjects | () | method | 
public override function layoutObjects(displayObjects:Array, bounds:Rectangle):RectangleThe DisplayObjects in the input parameter will be positioned and sized based on a specified rectangle. There is no requirement that the display objects remain entirely within the rectangle.
Returns the actual rectangular region in which the laid out children will appear. This may be larger or smaller than the suggested rectangle. This returned value is expected to be used by container components to determine if scrollbars or other navigation controls are needed.
Parameters| displayObjects:Array— An Array of DisplayObjects to be laid out. | |
| bounds:Rectangle—   The rectangular region in which the display objects should be placed. | 
| Rectangle—     The actual region in which the display objects are contained. |