| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.wsdl.ui.internal.graph.editparts; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.EditPartFactory; |
| import org.eclipse.wst.wsdl.ui.internal.WSDLEditorPlugin; |
| import org.eclipse.wst.wsdl.ui.internal.extension.WSDLEditorExtension; |
| import org.eclipse.wst.wsdl.ui.internal.extension.WSDLEditorExtensionRegistry; |
| |
| public class ExtensibleEditPartFactory implements EditPartFactory |
| { |
| protected WSDLEditorExtension[] extensions; |
| protected EditPartFactory[] editPartFactories; |
| |
| protected static ExtensibleEditPartFactory instance; |
| |
| public static ExtensibleEditPartFactory getInstance() |
| { |
| if (instance == null) |
| { |
| instance = new ExtensibleEditPartFactory(); |
| } |
| return instance; |
| } |
| |
| public ExtensibleEditPartFactory() |
| { |
| WSDLEditorExtensionRegistry registry = WSDLEditorPlugin.getInstance().getWSDLEditorExtensionRegistry(); |
| |
| extensions = registry.getRegisteredExtensions(WSDLEditorExtension.EDIT_PART_FACTORY); |
| editPartFactories = new EditPartFactory[extensions.length]; |
| for (int i = 0; i < extensions.length; i++) |
| { |
| editPartFactories[i] = (EditPartFactory)extensions[i].createExtensionObject(WSDLEditorExtension.EDIT_PART_FACTORY, null); |
| } |
| } |
| |
| protected EditPartFactory getApplicableEditPartFactory(Object object) |
| { |
| EditPartFactory result = null; |
| for (int i = 0; i < extensions.length; i++) |
| { |
| if (extensions[i].isApplicable(object)) |
| { |
| result = editPartFactories[i]; |
| if (result != null) |
| { |
| break; |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| public EditPart createEditPart(EditPart parent, Object model) |
| { |
| EditPart result = null; |
| EditPartFactory factory = getApplicableEditPartFactory(model); |
| if (factory != null) |
| { |
| result = factory.createEditPart(parent, model); |
| } |
| else |
| { |
| result = new UnknownObjectEditPart(); |
| result.setModel(model); |
| result.setParent(parent); |
| } |
| return result; |
| } |
| } |