BridgeEventSupport.Listener (Apache Batik Javadoc)

java.lang.Object
- org.apache.batik.bridge.BridgeEventSupport.Listener

All Implemented Interfaces:

EventListener, GraphicsNodeKeyListener, GraphicsNodeMouseListener

Direct Known Subclasses:

SVG12BridgeEventSupport.Listener

Enclosing class:

BridgeEventSupport
```
protected static class BridgeEventSupport.Listener
extends Object
implements GraphicsNodeMouseListener, GraphicsNodeKeyListener
```
A GraphicsNodeMouseListener that dispatch DOM events accordingly.

Field Summary

Fields
Modifier and Type Field and Description

protected BridgeContext context

protected boolean isDown

protected Element lastTargetElement

protected UserAgent ua

Fields
Modifier and Type	Field and Description
`protected BridgeContext`	`context`
`protected boolean`	`isDown`
`protected Element`	`lastTargetElement`
`protected UserAgent`	`ua`

Constructor Summary

Constructors
Constructor and Description

BridgeEventSupport.Listener(BridgeContext ctx, UserAgent u)

Constructors
Constructor and Description
`BridgeEventSupport.Listener(BridgeContext ctx, UserAgent u)`

Method Summary

Methods
Modifier and Type	Method and Description
`protected void`	`dispatchKeyEvent(String eventType, GraphicsNodeKeyEvent evt)` Dispatch a DOM 2 Draft Key event.
`protected void`	`dispatchMouseEvent(String eventType, Element targetElement, Element relatedElement, Point clientXY, GraphicsNodeMouseEvent evt, boolean cancelable)` Dispatches a DOM MouseEvent according to the specified parameters.
`protected void`	`dispatchMouseEvent(String eventType, GraphicsNodeMouseEvent evt, boolean cancelable)` Dispatches a DOM MouseEvent according to the specified parameters.
`protected Element`	`getEventTarget(GraphicsNode node, Point2D pt)` Returns the element that is the target of the specified event or null if any.
`protected Element`	`getRelatedElement(GraphicsNodeMouseEvent evt)` Returns the related element according to the specified event.
`void`	`keyPressed(GraphicsNodeKeyEvent evt)` Invoked when a key has been pressed.
`void`	`keyReleased(GraphicsNodeKeyEvent evt)` Invoked when a key has been released.
`void`	`keyTyped(GraphicsNodeKeyEvent evt)` Invoked when a key has been typed.
`protected int`	`mapKeyCode(int keyCode)` The java KeyEvent keyCodes and the DOMKeyEvent keyCodes map except for the VK_ENTER code (which has a different value in DOM and the VK_KANA_LOCK and VK_INPUT_METHOD_ON_OFF which have no DOM equivalent.
`void`	`mouseClicked(GraphicsNodeMouseEvent evt)` Invoked when the mouse has been clicked on a graphics node.
`void`	`mouseDragged(GraphicsNodeMouseEvent evt)` Invoked when a mouse button is pressed on a graphics node and then dragged.
`void`	`mouseEntered(GraphicsNodeMouseEvent evt)` Invoked when the mouse enters a graphics node.
`void`	`mouseExited(GraphicsNodeMouseEvent evt)` Invoked when the mouse exits a graphics node.
`void`	`mouseMoved(GraphicsNodeMouseEvent evt)` Invoked when the mouse button has been moved on a node.
`void`	`mousePressed(GraphicsNodeMouseEvent evt)` Invoked when a mouse button has been pressed on a graphics node.
`void`	`mouseReleased(GraphicsNodeMouseEvent evt)` Invoked when a mouse button has been released on a graphics node.

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

- Field Detail
  - context
```
protected BridgeContext context
```
  - ua
```
protected UserAgent ua
```
  - lastTargetElement
```
protected Element lastTargetElement
```
  - isDown
```
protected boolean isDown
```
- Constructor Detail
  - BridgeEventSupport.Listener
```
public BridgeEventSupport.Listener(BridgeContext ctx,
                           UserAgent u)
```
- Method Detail
  - keyPressed
```
public void keyPressed(GraphicsNodeKeyEvent evt)
```
    Invoked when a key has been pressed.
    
    Specified by:
    
    keyPressed in interface GraphicsNodeKeyListener
    
    Parameters:
    evt - the graphics node key event
  - keyReleased
```
public void keyReleased(GraphicsNodeKeyEvent evt)
```
    Invoked when a key has been released.
    
    Specified by:
    
    keyReleased in interface GraphicsNodeKeyListener
    
    Parameters:
    evt - the graphics node key event
  - keyTyped
```
public void keyTyped(GraphicsNodeKeyEvent evt)
```
    Invoked when a key has been typed.
    
    Specified by:
    
    keyTyped in interface GraphicsNodeKeyListener
    
    Parameters:
    evt - the graphics node key event
  - dispatchKeyEvent
```
protected void dispatchKeyEvent(String eventType,
                    GraphicsNodeKeyEvent evt)
```
    Dispatch a DOM 2 Draft Key event.
  - mapKeyCode
```
protected final int mapKeyCode(int keyCode)
```
    The java KeyEvent keyCodes and the DOMKeyEvent keyCodes map except for the VK_ENTER code (which has a different value in DOM and the VK_KANA_LOCK and VK_INPUT_METHOD_ON_OFF which have no DOM equivalent.
  - mouseClicked
```
public void mouseClicked(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when the mouse has been clicked on a graphics node.
    
    Specified by:
    
    mouseClicked in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - mousePressed
```
public void mousePressed(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when a mouse button has been pressed on a graphics node.
    
    Specified by:
    
    mousePressed in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - mouseReleased
```
public void mouseReleased(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when a mouse button has been released on a graphics node.
    
    Specified by:
    
    mouseReleased in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - mouseEntered
```
public void mouseEntered(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when the mouse enters a graphics node.
    
    Specified by:
    
    mouseEntered in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - mouseExited
```
public void mouseExited(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when the mouse exits a graphics node.
    
    Specified by:
    
    mouseExited in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - mouseDragged
```
public void mouseDragged(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when a mouse button is pressed on a graphics node and then dragged.
    
    Specified by:
    
    mouseDragged in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - mouseMoved
```
public void mouseMoved(GraphicsNodeMouseEvent evt)
```
    Description copied from interface: GraphicsNodeMouseListener
    
    Invoked when the mouse button has been moved on a node.
    
    Specified by:
    
    mouseMoved in interface GraphicsNodeMouseListener
    
    Parameters:
    evt - the graphics node mouse event
  - dispatchMouseEvent
```
protected void dispatchMouseEvent(String eventType,
                      GraphicsNodeMouseEvent evt,
                      boolean cancelable)
```
    Dispatches a DOM MouseEvent according to the specified parameters.
    
    Parameters:
    eventType - the event type
    evt - the GVT GraphicsNodeMouseEvent
    cancelable - true means the event is cancelable
  - dispatchMouseEvent
```
protected void dispatchMouseEvent(String eventType,
                      Element targetElement,
                      Element relatedElement,
                      Point clientXY,
                      GraphicsNodeMouseEvent evt,
                      boolean cancelable)
```
    Dispatches a DOM MouseEvent according to the specified parameters.
    
    Parameters:
    eventType - the event type
    targetElement - the target of the event
    relatedElement - the related target if any
    clientXY - the mouse coordinates in the client space
    evt - the GVT GraphicsNodeMouseEvent
    cancelable - true means the event is cancelable
  - getRelatedElement
```
protected Element getRelatedElement(GraphicsNodeMouseEvent evt)
```
    Returns the related element according to the specified event.
    
    Parameters:
    evt - the GVT GraphicsNodeMouseEvent
  - getEventTarget
```
protected Element getEventTarget(GraphicsNode node,
                     Point2D pt)
```
    Returns the element that is the target of the specified event or null if any.
    
    Parameters:
    node - the graphics node that received the event
    coords - the mouse coordinates in the GVT tree space

Class BridgeEventSupport.Listener

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

context

ua

lastTargetElement

isDown

Constructor Detail

BridgeEventSupport.Listener

Method Detail

keyPressed

keyReleased

keyTyped

dispatchKeyEvent

mapKeyCode

mouseClicked

mousePressed

mouseReleased

mouseEntered

mouseExited

mouseDragged

mouseMoved

dispatchMouseEvent

dispatchMouseEvent

getRelatedElement

getEventTarget