/*
* The University of Wales, Cardiff Triana Project Software License (Based
* on the Apache Software License Version 1.1)
*
* Copyright (c) 2007 University of Wales, Cardiff. All rights reserved.
*
* Redistribution and use of the software in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any,
* must include the following acknowledgment: "This product includes
* software developed by the University of Wales, Cardiff for the Triana
* Project (http://www.trianacode.org)." Alternately, this
* acknowledgment may appear in the software itself, if and wherever
* such third-party acknowledgments normally appear.
*
* 4. The names "Triana" and "University of Wales, Cardiff" must not be
* used to endorse or promote products derived from this software
* without prior written permission. For written permission, please
* contact triana@trianacode.org.
*
* 5. Products derived from this software may not be called "Triana," nor
* may Triana appear in their name, without prior written permission of
* the University of Wales, Cardiff.
*
* 6. This software may not be sold, used or incorporated into any product
* for sale to third parties.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL UNIVERSITY OF WALES, CARDIFF OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* ------------------------------------------------------------------------
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Triana Project. For more information on the
* Triana Project, please see. http://www.trianacode.org.
*
* This license is based on the BSD license as adopted by the Apache
* Foundation and is governed by the laws of England and Wales.
*
*/
package org.trianacode.gui.extensions;
import org.trianacode.taskgraph.Task;
import org.trianacode.taskgraph.tool.Tool;
import javax.swing.*;
import java.util.ArrayList;
import java.util.Iterator;
/**
* The manager responsible for handling extension classes.
*
* @author Ian Wang
* @version $Revision: 4048 $
*/
public class ExtensionManager {
/**
* a list of the extension instances
*/
private static final ArrayList extlist = new ArrayList();
/**
* Register an extension
*/
public static void registerExtension(Extension extension) {
if (!extlist.contains(extension)) {
extlist.add(extension);
}
}
/**
* Unregister an extension
*/
public static void unregisterExtension(Extension extension) {
extlist.remove(extension);
}
/**
* @return an array of the workspace extension actions for the specified tool
*/
public static Action[] getWorkspaceExtensions(Task tool) {
ArrayList exts = new ArrayList();
Action action;
for (Iterator it = extlist.iterator(); it.hasNext(); ) {
action = ((Extension) it.next()).getWorkspaceAction(tool);
if (action != null) {
exts.add(action);
}
}
return (Action[]) exts.toArray(new Action[exts.size()]);
}
/**
* @return an array of the tool tree extension actions for the specified tool
*/
public static Action[] getTreeExtensions(Tool tool) {
ArrayList exts = new ArrayList();
Action action;
for (Iterator it = extlist.iterator(); it.hasNext(); ) {
action = ((Extension) it.next()).getTreeAction(tool);
if (action != null) {
exts.add(action);
}
}
return (Action[]) exts.toArray(new Action[exts.size()]);
}
/**
* @return an array of the workfloe actions of the specified type (Extension.TOOL_TYPE or Extension.SERVICE_TYPE)
*/
public static Action[] getWorkflowExtensions(int type) {
ArrayList exts = new ArrayList();
Action action;
for (Iterator it = extlist.iterator(); it.hasNext(); ) {
action = ((Extension) it.next()).getWorkflowAction(type);
if (action != null) {
exts.add(action);
}
}
return (Action[]) exts.toArray(new Action[exts.size()]);
}
}