com.mxgraph.util
Class mxEventSource

java.lang.Object
  com.mxgraph.util.mxEventSource

Direct Known Subclasses:

mxAnimation, mxConnectPreview, mxGraph, mxGraphModel, mxGraphSelectionModel, mxGraphView, mxLayoutManager, mxMovePreview, mxSharedState, mxSpaceManager, mxSwimlaneManager, mxUndoManager

public class mxEventSource
extends Object

Base class for objects that dispatch named events.

Nested Class Summary

static interface

mxEventSource.mxIEventListener Defines the requirements for an object that listens to an event source.

Field Summary

protected List<Object>	eventListeners Holds the event names and associated listeners in an array.
protected boolean	eventsEnabled Specifies if events can be fired.
protected Object	eventSource Holds the source object for this event source.

Constructor Summary

mxEventSource()
Constructs a new event source using this as the source object.

mxEventSource(Object source)
Constructs a new event source for the given source object.

Method Summary

void	addListener(String eventName, mxEventSource.mxIEventListener listener) Binds the specified function to the given event name.
void	fireEvent(mxEventObject evt) Dispatches the given event name with this object as the event source.
void	fireEvent(mxEventObject evt, Object sender) Dispatches the given event name, passing all arguments after the given name to the registered listeners for the event.
Object	getEventSource()
boolean	isEventsEnabled()
void	removeListener(mxEventSource.mxIEventListener listener) Function: removeListener Removes all occurances of the given listener from the list of listeners.
void	removeListener(mxEventSource.mxIEventListener listener, String eventName) Function: removeListener Removes all occurances of the given listener from the list of listeners.
void	setEventsEnabled(boolean eventsEnabled)
void	setEventSource(Object value)

Methods inherited from class java.lang.Object

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

Field Detail

eventListeners

protected transient List<Object> eventListeners

Holds the event names and associated listeners in an array. The array contains the event name followed by the respective listener for each registered listener.

eventSource

protected Object eventSource

Holds the source object for this event source.

eventsEnabled

protected boolean eventsEnabled

Specifies if events can be fired. Default is true.

Constructor Detail

mxEventSource

public mxEventSource()

Constructs a new event source using this as the source object.

mxEventSource

public mxEventSource(Object source)

Constructs a new event source for the given source object.

Method Detail

getEventSource

public Object getEventSource()

setEventSource

public void setEventSource(Object value)

isEventsEnabled

public boolean isEventsEnabled()

setEventsEnabled

public void setEventsEnabled(boolean eventsEnabled)

addListener

public void addListener(String eventName,
                        mxEventSource.mxIEventListener listener)

Binds the specified function to the given event name. If no event name is given, then the listener is registered for all events.

removeListener

public void removeListener(mxEventSource.mxIEventListener listener)

Function: removeListener Removes all occurances of the given listener from the list of listeners.

removeListener

public void removeListener(mxEventSource.mxIEventListener listener,
                           String eventName)

Function: removeListener Removes all occurances of the given listener from the list of listeners.

fireEvent

public void fireEvent(mxEventObject evt)

Dispatches the given event name with this object as the event source. fireEvent(new mxEventObject("eventName", key1, val1, .., keyN, valN))

fireEvent

public void fireEvent(mxEventObject evt,
                      Object sender)

Dispatches the given event name, passing all arguments after the given name to the registered listeners for the event.