/**
* Start the drag if the operation is ok. uses java.awt.datatransfer.StringSelection to transfer
* the label's data
*
* @param e the event object
*/
public void dragGestureRecognized(DragGestureEvent e) {
// if the action is ok we go ahead
// otherwise we punt
System.out.println(e.getDragAction());
if ((e.getDragAction() & DragLabel.this.dragAction) == 0) return;
System.out.println("kicking off drag");
// get the label's text and put it inside a Transferable
// Transferable transferable = new StringSelection( DragLabel.this.getText() );
Transferable transferable = new StringTransferable(DragLabel.this.getText());
// now kick off the drag
try {
// initial cursor, transferrable, dsource listener
e.startDrag(DragSource.DefaultCopyNoDrop, transferable, DragLabel.this.dsListener);
// or if dragSource is a variable
// dragSource.startDrag(e, DragSource.DefaultCopyDrop, transferable, dsListener);
// or if you'd like to use a drag image if supported
/*
if(DragSource.isDragImageSupported() )
// cursor, image, point, transferrable, dsource listener
e.startDrag(DragSource.DefaultCopyDrop, image, point, transferable, dsListener);
*/
} catch (InvalidDnDOperationException idoe) {
System.err.println(idoe);
}
}
/**
* Initializes a drag source context.
*
* @exception IllegalArgumentException If Component or DragSource of trigger are null, the drag
* action for the trigger event is DnDConstants.ACTION_NONE or if the source actions for the
* DragGestureRecognizer associated with the trigger event are equal to
* DnDConstants.ACTION_NONE.
* @exception NullPointerException If peer or trigger is null.
*/
public DragSourceContext(
DragSourceContextPeer peer,
DragGestureEvent trigger,
Cursor cursor,
Image image,
Point offset,
Transferable trans,
DragSourceListener dsl) {
if (peer == null || trigger == null) throw new NullPointerException();
if (trigger.getComponent() == null
|| trigger.getDragSource() == null
|| trigger.getDragAction() == DnDConstants.ACTION_NONE
|| trigger.getSourceAsDragGestureRecognizer().getSourceActions()
== DnDConstants.ACTION_NONE) throw new IllegalArgumentException();
this.peer = peer;
this.trigger = trigger;
this.cursor = cursor;
this.image = image;
this.offset = offset;
this.transferable = trans;
this.dragSourceListener = dsl;
throw new Error("not implemented");
}
@Override
public void dragGestureRecognized(DragGestureEvent dge) {
Cursor cursor = null;
BufferedImage bi = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
paint(bi.getGraphics());
ImageMover.start(bi, MouseInfo.getPointerInfo().getLocation());
String s = "[ANDITEM]";
if (dge.getDragAction() == DnDConstants.ACTION_COPY) {
cursor = DragSource.DefaultCopyDrop;
}
dge.startDrag(
cursor, new SimpleDragObject.TransferableSimpleDragObject(new SimpleDragObject(s)));
}
