X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fui%2FListenerPanel.java;h=ada07960dbe5806f3750b54f83c3f4d413aeb423;hb=53c2b6a134b08402e1daf3e4c84b9b888de9cc9c;hp=144cdd249a81be951a082618f2a9f4371adaf0a9;hpb=bc4db23ff5c21d7d4716f9b7f97de73b15a6fc21;p=nikiroo-utils.git

diff --git a/src/be/nikiroo/utils/ui/ListenerPanel.java b/src/be/nikiroo/utils/ui/ListenerPanel.java
deleted file mode 100644
index 144cdd2..0000000
--- a/src/be/nikiroo/utils/ui/ListenerPanel.java
+++ /dev/null
@@ -1,101 +0,0 @@
-package be.nikiroo.utils.ui;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.util.LinkedList;
-import java.util.Queue;
-
-import javax.swing.JPanel;
-
-/**
- * A {@link JPanel} with the default {@link ActionListener} add/remove/fire
- * methods.
- * <p>
- * Note that it will queue all events until at least one listener comes (or
- * comes back!); this first (or at least currently unique) listener will drain
- * the queue.
- * 
- * @author niki
- */
-public class ListenerPanel extends JPanel {
-	private static final long serialVersionUID = 1L;
-
-	/** Waiting queue until at least one listener is here to get the events. */
-	private final Queue<ActionEvent> waitingQueue;
-
-	/**
-	 * Create a new {@link ListenerPanel}.
-	 */
-	public ListenerPanel() {
-		waitingQueue = new LinkedList<ActionEvent>();
-	}
-
-	/**
-	 * Check that this {@link ListenerPanel} currently has
-	 * {@link ActionListener}s that listen on it.
-	 * 
-	 * @return TRUE if it has
-	 */
-	public synchronized boolean hasListeners() {
-		return listenerList.getListenerList().length > 1;
-	}
-
-	/**
-	 * Check how many events are currently waiting for an
-	 * {@link ActionListener}.
-	 * 
-	 * @return the number of waiting events (can be 0)
-	 */
-	public synchronized int getWaitingEventCount() {
-		return waitingQueue.size();
-	}
-
-	/**
-	 * Adds the specified action listener to receive action events from this
-	 * {@link ListenerPanel}.
-	 *
-	 * @param listener
-	 *            the action listener to be added
-	 */
-	public synchronized void addActionListener(ActionListener listener) {
-		if (!hasListeners()) {
-			while (!waitingQueue.isEmpty()) {
-				listener.actionPerformed(waitingQueue.remove());
-			}
-		}
-
-		listenerList.add(ActionListener.class, listener);
-	}
-
-	/**
-	 * Removes the specified action listener so that it no longer receives
-	 * action events from this {@link ListenerPanel}.
-	 *
-	 * @param listener
-	 *            the action listener to be removed
-	 */
-	public synchronized void removeActionListener(ActionListener listener) {
-		listenerList.remove(ActionListener.class, listener);
-	}
-
-	/**
-	 * Notify the listeners of an action.
-	 * 
-	 * @param listenerCommand
-	 *            A string that may specify a command (possibly one of several)
-	 *            associated with the event
-	 */
-	protected synchronized void fireActionPerformed(String listenerCommand) {
-		ActionEvent e = new ActionEvent(this, ActionEvent.ACTION_PERFORMED,
-				listenerCommand);
-
-		ActionListener[] listeners = getListeners(ActionListener.class);
-		if (listeners.length > 0) {
-			for (ActionListener action : listeners) {
-				action.actionPerformed(e);
-			}
-		} else {
-			waitingQueue.add(e);
-		}
-	}
-}