1 files changed, 84 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.ui.views/src/org/eclipse/tcf/te/ui/views/events/ViewerContentChangeEvent.java b/target_explorer/plugins/org.eclipse.tcf.te.ui.views/src/org/eclipse/tcf/te/ui/views/events/ViewerContentChangeEvent.java
new file mode 100644
index 000000000..7dabf37ab
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.ui.views/src/org/eclipse/tcf/te/ui/views/events/ViewerContentChangeEvent.java
@@ -0,0 +1,84 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Wind River Systems, Inc. and others. All rights reserved.
+ * This program and the accompanying materials are made available under the terms
+ * of the Eclipse Public License v1.0 which accompanies this distribution, and is
+ * available at http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.ui.views.events;
+
+import java.util.EventObject;
+
+import org.eclipse.tcf.te.runtime.activator.CoreBundleActivator;
+import org.eclipse.tcf.te.runtime.interfaces.tracing.ITraceIds;
+
+/**
+ * Target Explorer view viewer change event implementation.
+ */
+public class ViewerContentChangeEvent extends EventObject {
+    private static final long serialVersionUID = 7168841012111347036L;
+
+    private String eventId;
+
+    /**
+     * Event id used if elements got directly added to the viewer.
+     */
+    public static final String ADD = "add"; //$NON-NLS-1$
+
+    /**
+     * Event id used if elements got directly removed the viewer.
+     */
+    public static final String REMOVE = "remove"; //$NON-NLS-1$
+
+    /**
+     * Event id used if the viewer got refreshed.
+     */
+    public static final String REFRESH = "refresh"; //$NON-NLS-1$
+
+	/**
+	 * Constructor.
+	 *
+	 * @param source The source object. Must not be <code>null</code>.
+	 * @param eventId The event id. Must not be <code>null</code>.
+	 *
+	 * @exception IllegalArgumentException if eventId == null.
+	 */
+	public ViewerContentChangeEvent(Object source, String eventId) {
+		super(source);
+
+		if (eventId == null) throw new IllegalArgumentException("null eventId"); //$NON-NLS-1$
+		this.eventId = eventId;
+	}
+
+	/**
+	 * Returns the event id.
+	 *
+	 * @return The event id.
+	 */
+	public final String getEventId() {
+		return eventId;
+	}
+
+	/* (non-Javadoc)
+	 * @see java.util.EventObject#toString()
+	 */
+	@Override
+	public String toString() {
+		StringBuilder toString = new StringBuilder(getClass().getName());
+
+		String prefix = ""; //$NON-NLS-1$
+		// if tracing the event, formating them a little bit better readable.
+		if (CoreBundleActivator.getTraceHandler().isSlotEnabled(0, ITraceIds.TRACE_EVENTS))
+			prefix = "\n\t\t"; //$NON-NLS-1$
+
+		toString.append(prefix + "{eventId="); //$NON-NLS-1$
+		toString.append(eventId);
+		toString.append("," + prefix + "source="); //$NON-NLS-1$ //$NON-NLS-2$
+		toString.append(source);
+		toString.append("}"); //$NON-NLS-1$
+
+		return toString.toString();
+	}
+}