com.inductiveautomation.snap.swing

Class SwingDragger

java.lang.Object

com.inductiveautomation.snap.swing.SwingDragger

All Implemented Interfaces:

java.awt.dnd.DragSourceListener, java.awt.dnd.DragSourceMotionListener, java.util.EventListener

public class SwingDragger
extends java.lang.Object
implements java.awt.dnd.DragSourceListener, java.awt.dnd.DragSourceMotionListener

A class to manage dragging.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SwingDragger.FileTransferable A File Transferable.

Constructor Summary

Constructors

Constructor and Description
SwingDragger()

Method Summary

Modifier and Type	Method and Description
protected void	createDragWindow() Creates new drag source listener.
protected java.awt.datatransfer.Transferable	createTransferable() Creates a transferable for DragItem.
static java.awt.datatransfer.Transferable	createTransferable(java.lang.Object anItem) Creates a transferable for given object.
void	dragDropEnd(java.awt.dnd.DragSourceDropEvent anEvent) DragSourceListener method.
void	dragEnter(java.awt.dnd.DragSourceDragEvent anEvent) DragSourceListener method.
void	dragExit(java.awt.dnd.DragSourceEvent anEvent) DragSourceListener method.
void	dragMouseMoved(java.awt.dnd.DragSourceDragEvent anEvent) DragSourceMotionListener method.
void	dragOver(java.awt.dnd.DragSourceDragEvent anEvent) DragSourceListener method.
void	dropActionChanged(java.awt.dnd.DragSourceDragEvent anEvent) DragSourceListener method.
static SwingDragger	getActiveDragger() Returns the currently active dragger.
protected javax.swing.JComponent	getComponent() Returns the component.
java.awt.dnd.DragGestureEvent	getDragGestureEvent() Returns the DragGestureEvent.
java.awt.Image	getDragImage() Returns the image to be dragged.
protected java.awt.Point	getDragImageOffset() Returns the drag image offset point.
java.awt.Point	getDragImagePoint() Returns the point that the drag image should be dragged by.
java.lang.Object	getDragItem() Returns the item really being dragged.
<T> T	getDragItem(java.lang.Class<T> aClass) Returns the drag item as given class.
java.lang.String	getDragItemString() Returns the drag item as string.
java.awt.dnd.DragSource	getDragSource() Returns the DragSource.
java.awt.dnd.DragSourceListener	getDragSourceListener() Returns the optional DragSourceListener.
java.awt.datatransfer.Transferable	getTransferable() Sets the transferable.
void	setDragGestureEvent(java.awt.dnd.DragGestureEvent anEvent) Sets the DragGestureEvent.
void	setDragImage(java.awt.Image anImage) Sets the image to be dragged.
void	setDragImageFromString(java.lang.String aString, java.awt.Font aFont) Sets the drag image from given string and font.
void	setDragImagePoint(double anX, double aY) Returns the point that the drag image should be dragged by.
void	setDragImagePoint(java.awt.Point aPoint) Returns the point that the drag image should be dragged by.
void	setDragItem(java.lang.Object anItem) Sets the item really being dragged.
void	setDragSourceListener(java.awt.dnd.DragSourceListener aListener) Sets an optional DragSourceListener.
void	setTransferable(java.lang.String aString) Sets the transferable from string.
void	setTransferable(java.awt.datatransfer.Transferable aTrans) Sets the transferable.
void	startDrag() Starts the drag.

Methods inherited from class java.lang.Object

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

Constructor Detail

SwingDragger

public SwingDragger()

Method Detail

getDragItem

public java.lang.Object getDragItem()

Returns the item really being dragged.

setDragItem

public void setDragItem(java.lang.Object anItem)

Sets the item really being dragged.

getDragItem

public <T> T getDragItem(java.lang.Class<T> aClass)

Returns the drag item as given class.

getDragItemString

public java.lang.String getDragItemString()

Returns the drag item as string.

getDragGestureEvent

public java.awt.dnd.DragGestureEvent getDragGestureEvent()

Returns the DragGestureEvent.

setDragGestureEvent

public void setDragGestureEvent(java.awt.dnd.DragGestureEvent anEvent)

Sets the DragGestureEvent.

getDragImage

public java.awt.Image getDragImage()

Returns the image to be dragged.

setDragImage

public void setDragImage(java.awt.Image anImage)

Sets the image to be dragged.

setDragImageFromString

public void setDragImageFromString(java.lang.String aString,
                                   java.awt.Font aFont)

Sets the drag image from given string and font.

getDragImagePoint

public java.awt.Point getDragImagePoint()

Returns the point that the drag image should be dragged by.

setDragImagePoint

public void setDragImagePoint(java.awt.Point aPoint)

Returns the point that the drag image should be dragged by.

setDragImagePoint

public void setDragImagePoint(double anX,
                              double aY)

Returns the point that the drag image should be dragged by.

getDragImageOffset

protected java.awt.Point getDragImageOffset()

Returns the drag image offset point.

getTransferable

public java.awt.datatransfer.Transferable getTransferable()

Sets the transferable.

setTransferable

public void setTransferable(java.awt.datatransfer.Transferable aTrans)

Sets the transferable.

setTransferable

public void setTransferable(java.lang.String aString)

Sets the transferable from string.

createTransferable

protected java.awt.datatransfer.Transferable createTransferable()

Creates a transferable for DragItem.

createTransferable

public static java.awt.datatransfer.Transferable createTransferable(java.lang.Object anItem)

Creates a transferable for given object.

getDragSourceListener

public java.awt.dnd.DragSourceListener getDragSourceListener()

Returns the optional DragSourceListener.

setDragSourceListener

public void setDragSourceListener(java.awt.dnd.DragSourceListener aListener)

Sets an optional DragSourceListener.

getComponent

protected javax.swing.JComponent getComponent()

Returns the component.

getDragSource

public java.awt.dnd.DragSource getDragSource()

Returns the DragSource.

startDrag

public void startDrag()

Starts the drag.

getActiveDragger

public static SwingDragger getActiveDragger()

Returns the currently active dragger.

createDragWindow

protected void createDragWindow()

Creates new drag source listener.

dragEnter

public void dragEnter(java.awt.dnd.DragSourceDragEvent anEvent)

DragSourceListener method.

Specified by:

dragEnter in interface java.awt.dnd.DragSourceListener

dragMouseMoved

public void dragMouseMoved(java.awt.dnd.DragSourceDragEvent anEvent)

DragSourceMotionListener method.

Specified by:

dragMouseMoved in interface java.awt.dnd.DragSourceMotionListener

dragDropEnd

public void dragDropEnd(java.awt.dnd.DragSourceDropEvent anEvent)

DragSourceListener method.

Specified by:

dragDropEnd in interface java.awt.dnd.DragSourceListener

dragOver

public void dragOver(java.awt.dnd.DragSourceDragEvent anEvent)

DragSourceListener method.

Specified by:

dragOver in interface java.awt.dnd.DragSourceListener

dragExit

public void dragExit(java.awt.dnd.DragSourceEvent anEvent)

DragSourceListener method.

Specified by:

dragExit in interface java.awt.dnd.DragSourceListener

dropActionChanged

public void dropActionChanged(java.awt.dnd.DragSourceDragEvent anEvent)

DragSourceListener method.

Specified by:

dropActionChanged in interface java.awt.dnd.DragSourceListener