Class EventManager


  • public class EventManager
    extends java.lang.Object
    Helper class to manage the events that plugins consume and produce. This class keeps track of the last events that went out so that when a plugin is added, it receives those events.
    • Constructor Detail

      • EventManager

        public EventManager​(PluginTool tool)
        Construct a new EventManager.
        Parameters:
        tool - plugin tool associated with this EventManager
    • Method Detail

      • addEventListener

        public void addEventListener​(java.lang.Class<? extends PluginEvent> eventClass,
                                     PluginEventListener listener)
        Add a plugin event listener that will be notified when an event of the given event class is generated.
        Parameters:
        eventClass - class of the event of interest
        listener - listener to notify
      • removeAllEventListener

        public void removeAllEventListener​(PluginEventListener listener)
      • removeEventListener

        public void removeEventListener​(java.lang.Class<? extends PluginEvent> eventClass,
                                        PluginEventListener listener)
        Remove the plugin event listener from the list of listeners notified when an event of the given event class is generated.
        Parameters:
        eventClass - class of the event of interest
        listener - listener to remove
      • addToolListener

        public void addToolListener​(ToolListener listener)
        Add the given tool listener to be notified notified when tool events are generated
        Parameters:
        listener - listener to add
      • removeToolListener

        public void removeToolListener​(ToolListener listener)
        Remove the given tool listener from the list of tool listeners
        Parameters:
        listener - listener to remove
      • hasToolListeners

        public boolean hasToolListeners()
        Return whether there are any registered tool listeners for the tool associated with class
        Returns:
        true if there are any listeners
      • addEventProducer

        public void addEventProducer​(java.lang.Class<? extends PluginEvent> eventClass)
        Add the class for the PluginEvent that a plugin will produce
        Parameters:
        eventClass - class for the PluginEvent
      • removeEventProducer

        public void removeEventProducer​(java.lang.Class<? extends PluginEvent> eventClass)
        Remove the class of a PluginEvent that a plugin produces.
        Parameters:
        eventClass - class for the PluginEvent
      • getEventsProduced

        public java.lang.String[] getEventsProduced()
        Get the names of all events produced by plugins in the tool.
        Returns:
        array of PluginEvent names
      • getEventsConsumed

        public java.lang.String[] getEventsConsumed()
        Get the names of all events consumed by plugins in the tool.
        Returns:
        array of PluginEvent names
      • fireEvent

        public void fireEvent​(PluginEvent event)
        Notify all plugin listeners that are registered to consume the given event. Events are fired in the SwingThread.
        Parameters:
        event - event to fire
      • processToolEvent

        public void processToolEvent​(PluginEvent event)
        Convert the given tool event to a plugin event; notify the appropriate plugin listeners. This method allows one tool's event manager to send events to another connected tool.
        Parameters:
        event - tool event
      • clearLastEvents

        public void clearLastEvents()
        Clear the list of last plugin events fired
      • clear

        public void clear()
        Clear last plugin events fired, current event, listeners, etc.
      • getLastEvents

        public PluginEvent[] getLastEvents()
        Return an array of the last plugin events fired. EventManager maps the event class to the last event fired.
        Returns:
        array of plugin events
      • removeEventListener

        public void removeEventListener​(java.lang.String className)
        Remove the event listener by className; the plugin registered for events, but the construction failed.
        Parameters:
        className - class name of the plugin (event listener)