BridgeEventSupport.Listener (Apache Batik Javadoc)

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org.apache.batik.bridge
Class BridgeEventSupport.Listener

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
extends Object
implements GraphicsNodeMouseListener, GraphicsNodeKeyListener

A GraphicsNodeMouseListener that dispatch DOM events accordingly.

Field Summary
`protected BridgeContext`	`context`
`protected boolean`	`isDown`
`protected Element`	`lastTargetElement`
`protected UserAgent`	`ua`

Constructor Summary
`BridgeEventSupport.Listener(BridgeContext ctx, UserAgent u)`

Method Summary
`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.