JavaScript API Reference for Oracle ADF Faces

oracle.adfinternal.view.js.dnd.touch
Class AdfColumnDragSource

org.ecmascript.object.Object
   |
   +--oracle.adf.view.js.base.AdfObject
         |
         +--oracle.adf.view.js.dnd.AdfDragSource
               |
               +--oracle.adf.view.js.dnd.AdfComponentDragSource
                     |
                     +--oracle.adfinternal.view.js.dnd.touch.AdfColumnDragSource

public class AdfColumnDragSource
extends AdfComponentDragSource

AdfColumnDragSource

public AdfColumnDragSource()

AdfColumnDragSource, for column reordering by drag and drop. Currently only used on touchScreen devices

GetDragOverFeedback

protected Node GetDragOverFeedback(AdfUIInputEvent inputEvent)

Create a node to represent to the user what is being dragged. In this case, the feedback is a DIV that has the dimensions of the column being dragged.

Parameters:

inputEvent

-

the event triggering the dragging

Return:

Node - the HTML node to use

Overrides:

AdfDragSource.GetDragOverFeedback(AdfUIInputEvent)

_getTable

private AdfRichTable|null _getTable()

Get the table component for this column

Return:

AdfRichTable|null - the table, if found

Init

protected Object Init()

Initialize the class

Return:

Object

Overrides:

AdfObject.Init()

isAvailable

public Boolean isAvailable(AdfDndContext dndContext,
                           Object inputEvent)

Checks if the drag and drop operation should be considered for the given input event. Ensures that the table column reordering has not been disabled, and that the event falls within the column header, and not near an edge, to be considered a resize gesture, or on a sort icon.

Parameters:

dndContext	-	the drag and drop context
inputEvent

Return:

Boolean - if the event should be considered for starting a drag and drop operation

Overrides:

AdfDragSource.isAvailable(Object)