java.lang.Object
- gov.nasa.worldwind.drag.DragContext

```
public class DragContext
extends java.lang.Object
```
Provides information about mouse inputs and WorldWindow state for use in dragging operations.

Field Summary

Fields
Modifier and Type	Field	Description
`protected java.lang.String`	`dragState`	The current drag state, which can be one of the three following values: `AVKey.DRAG_BEGIN`, `AVKey.DRAG_CHANGE`, `AVKey.DRAG_ENDED`.
`protected Globe`	`globe`	The current `Globe` of the `WorldWindow`.
`protected java.awt.Point`	`initialPoint`	In accordance with the AWT screen coordinates the top left point of the window is the origin.
`protected java.awt.Point`	`point`	In accordance with the AWT screen coordinates the top left point of the window is the origin.
`protected java.awt.Point`	`previousPoint`	In accordance with the AWT screen coordinates the top left point of the window is the origin.
`protected SceneController`	`sceneController`	The current `SceneController` of the `WorldWindow`.
`protected View`	`view`	The current`View` of the `WorldWindow`.

Constructor Summary

Constructors
Constructor Description

DragContext()
Creates a new DragContext instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getDragState()`	Returns the current drag state for this drag event.
`Globe`	`getGlobe()`	Returns the current `Globe` for this drag event.
`java.awt.Point`	`getInitialPoint()`	Returns the initial screen point with the origin at the top left corner of the window.
`java.awt.Point`	`getPoint()`	Returns the current screen point with the origin at the top left corner of the window.
`java.awt.Point`	`getPreviousPoint()`	Returns the previous screen point with the origin at the top left corner of the window.
`SceneController`	`getSceneController()`	Returns the current `SceneController` for this drag event.
`View`	`getView()`	Returns the current `View` for this drag event.
`void`	`setDragState(java.lang.String dragState)`	Set the `DragContext` drag state, which must be one of the following three states: `AVKey.DRAG_BEGIN` , `AVKey.DRAG_CHANGE`, or `AVKey.DRAG_ENDED`.
`void`	`setGlobe(Globe globe)`	Set the `DragContext` `Globe`.
`void`	`setInitialPoint(java.awt.Point initialPoint)`	Set the `DragContext` initial screen point.
`void`	`setPoint(java.awt.Point point)`	Set the `DragContext` current screen point.
`void`	`setPreviousPoint(java.awt.Point previousPoint)`	Set the `DragContext` previous screen point.
`void`	`setSceneController(SceneController sceneController)`	Set the `DragContext` `SceneController`.
`void`	`setView(View view)`	Set the `DragContext` `View`.

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - point
```
protected java.awt.Point point
```
    In accordance with the AWT screen coordinates the top left point of the window is the origin.
  - previousPoint
```
protected java.awt.Point previousPoint
```
    In accordance with the AWT screen coordinates the top left point of the window is the origin. This point is the previous screen point.
  - initialPoint
```
protected java.awt.Point initialPoint
```
    In accordance with the AWT screen coordinates the top left point of the window is the origin. This point refers to the initial point of the drag event.
  - sceneController
```
protected SceneController sceneController
```
    The current SceneController of the WorldWindow.
  - globe
```
protected Globe globe
```
    The current Globe of the WorldWindow.
  - view
```
protected View view
```
    The currentView of the WorldWindow.
  - dragState
```
protected java.lang.String dragState
```
    The current drag state, which can be one of the three following values: AVKey.DRAG_BEGIN, AVKey.DRAG_CHANGE, AVKey.DRAG_ENDED.
- Constructor Detail
  - DragContext
```
public DragContext()
```
    Creates a new DragContext instance.
- Method Detail
  - getPoint
```
public java.awt.Point getPoint()
```
    Returns the current screen point with the origin at the top left corner of the window.
    
    Returns:
    
    the current screen point.
  - setPoint
```
public void setPoint(java.awt.Point point)
```
    Set the DragContext current screen point.
    
    Parameters:
    
    point - the point to assign to the current screen point.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the point is null.
  - getPreviousPoint
```
public java.awt.Point getPreviousPoint()
```
    Returns the previous screen point with the origin at the top left corner of the window.
    
    Returns:
    
    the previous point.
  - setPreviousPoint
```
public void setPreviousPoint(java.awt.Point previousPoint)
```
    Set the DragContext previous screen point.
    
    Parameters:
    
    previousPoint - the screen point to assign to the previous screen point.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the previousPoint is null.
  - getInitialPoint
```
public java.awt.Point getInitialPoint()
```
    Returns the initial screen point with the origin at the top left corner of the window. The initial point is the screen point at the initiation of the drag event.
    
    Returns:
    
    the initial screen point.
  - setInitialPoint
```
public void setInitialPoint(java.awt.Point initialPoint)
```
    Set the DragContext initial screen point.
    
    Parameters:
    
    initialPoint - the screen point to assign to the initial screen point.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the initialPoint is null.
  - getSceneController
```
public SceneController getSceneController()
```
    Returns the current SceneController for this drag event.
    
    Returns:
    
    the current SceneController.
  - setSceneController
```
public void setSceneController(SceneController sceneController)
```
    Set the DragContext SceneController.
    
    Parameters:
    
    sceneController - the SceneController to assign to the DragContext.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the scene controller is null.
  - getGlobe
```
public Globe getGlobe()
```
    Returns the current Globe for this drag event.
    
    Returns:
    
    the current Globe.
  - setGlobe
```
public void setGlobe(Globe globe)
```
    Set the DragContext Globe.
    
    Parameters:
    
    globe - the Globe to assign to the DragContext.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the globe is null.
  - getView
```
public View getView()
```
    Returns the current View for this drag event.
    
    Returns:
    
    the current View.
  - setView
```
public void setView(View view)
```
    Set the DragContext View.
    
    Parameters:
    
    view - the View to assign to the DragContext.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the view is null.
  - getDragState
```
public java.lang.String getDragState()
```
    Returns the current drag state for this drag event.
    
    Returns:
    
    the drag state.
  - setDragState
```
public void setDragState(java.lang.String dragState)
```
    Set the DragContext drag state, which must be one of the following three states: AVKey.DRAG_BEGIN , AVKey.DRAG_CHANGE, or AVKey.DRAG_ENDED.
    
    Parameters:
    
    dragState - the drag state to assign to the DragContext.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the drag state is null or not one of the three states defined for dragging.

Class DragContext

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

point

previousPoint

initialPoint

sceneController

globe

view

dragState

Constructor Detail

DragContext

Method Detail

getPoint

setPoint

getPreviousPoint

setPreviousPoint

getInitialPoint

setInitialPoint

getSceneController

setSceneController

getGlobe

setGlobe

getView

setView

getDragState

setDragState