JavaScript API Reference for Oracle ADF Faces

oracle.adf.view.js.dnd.touch
Class AdfDragRecognizer

org.ecmascript.object.Object
   |
   +--oracle.adf.view.js.base.AdfObject
         |
         +--oracle.adf.view.js.dnd.touch.AdfDragRecognizer

Direct Known Subclasses:

AdfInputNumberSliderDragRecognizer, AdfPanelBoxDragRecognizer

public class AdfDragRecognizer
extends AdfObject

_isAndroid

private Object _isAndroid

AdfDragRecognizer

public AdfDragRecognizer()

Strategy Class for recognizing drags based on AdfComponentEvents. In general, programmers shouldn't have to deal with this class.

abortPrep

public Object abortPrep(Object prepContext,
                        Object inputEvent)

Returns true if the current prepped drag should be aborted

Parameters:

prepContext
inputEvent

Return:

Object

_clearDragReady

private Object _clearDragReady(Object prepContext)

Parameters:

prepContext

Return:

Object

_hasMovedSufficientDistance

private Object _hasMovedSufficientDistance(Object inputEvent,
                                           Object prepContext)

Parameters:

inputEvent
prepContext

Return:

Object

Init

protected Object Init()

Initializes the instance. Subclasses of AdfObject must call their superclass' Init

Return:

Object

Overrides:

AdfObject.Init()

_prepContextDelayCallback

private Object _prepContextDelayCallback(Object prepContext)

Parameters:

prepContext

Return:

Object

prepDrag

public Object prepDrag(Object dndContext,
                       Object dragSource,
                       Object inputEvent)

Called by the AdfDnDContext when drag might be initiated. Returns a private prepContext object if this event could start a drag. The prepContext object will be passed back to the recognizeDrag and abortPrep callbacks.

Parameters:

dndContext
dragSource
inputEvent

Return:

Object

recognizeDrag

public Object recognizeDrag(Object prepContext,
                            Object inputEvent)

Determine whether a possible drag has turned into a drag or not

Parameters:

prepContext
inputEvent

Return:

Object