org.nakedobjects.plugins.dnd
Class ContentDrag

java.lang.Object
  org.nakedobjects.plugins.dnd.PointerEvent
      org.nakedobjects.plugins.dnd.Drag
          org.nakedobjects.plugins.dnd.ContentDrag

public class ContentDrag
extends Drag

Details a drag event that affects a view's content (as opposed to the view itself).

Field Summary

Fields inherited from class org.nakedobjects.plugins.dnd.PointerEvent

mods

Constructor Summary

ContentDrag(View source, Location offset, View dragView)
Creates a new drag event.

Method Summary

void	cancel(Viewer viewer) Cancels drag by calling dragOut() on the current target, and changes the cursor back to the default.
void	drag(View target, Location location, int mods) Indicates that the drag state has changed.
void	end(Viewer viewer) Ends the drag by calling drop() on the current target, and changes the cursor back to the default.
Location	getOffset()
View	getOverlay()
View	getSource()
Content	getSourceContent() Returns the Content object from the source view.
Location	getTargetLocation()
View	getTargetView() Returns the current target view.
void	subtract(int left, int top)
java.lang.String	toString()

Methods inherited from class org.nakedobjects.plugins.dnd.PointerEvent

button1, button2, button3, isAlt, isCtrl, isMeta, isShift

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ContentDrag

public ContentDrag(View source,
                   Location offset,
                   View dragView)

Creates a new drag event. The source view has its pickup(), and then, exited() methods called on it. The view returned by the pickup method becomes this event overlay view, which is moved continuously so that it tracks the pointer,

Parameters:

source - the view over which the pointer was when this event started

Method Detail

cancel

public void cancel(Viewer viewer)

Cancels drag by calling dragOut() on the current target, and changes the cursor back to the default.

Specified by:

cancel in class Drag

drag

public void drag(View target,
                 Location location,
                 int mods)

Description copied from class: Drag

Indicates that the drag state has changed.

Specified by:

drag in class Drag

end

public void end(Viewer viewer)

Ends the drag by calling drop() on the current target, and changes the cursor back to the default.

Specified by:

end in class Drag

getOverlay

public View getOverlay()

Specified by:

getOverlay in class Drag

getSource

public View getSource()

getSourceContent

public Content getSourceContent()

Returns the Content object from the source view.

getTargetLocation

public Location getTargetLocation()

getOffset

public Location getOffset()

getTargetView

public View getTargetView()

Returns the current target view.

toString

public java.lang.String toString()

Overrides:

toString in class PointerEvent

subtract

public void subtract(int left,
                     int top)