| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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.ws.internal.explorer.platform.engine.transformer; |
| |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Vector; |
| import org.eclipse.wst.ws.internal.datamodel.Element; |
| import org.eclipse.wst.ws.internal.explorer.platform.datamodel.ListElement; |
| import org.eclipse.wst.ws.internal.explorer.platform.datamodel.ListManager; |
| import org.eclipse.wst.ws.internal.explorer.platform.datamodel.TreeElement; |
| import org.eclipse.wst.ws.internal.explorer.platform.perspective.Controller; |
| import org.eclipse.wst.ws.internal.explorer.platform.perspective.Node; |
| import org.eclipse.wst.ws.internal.explorer.platform.perspective.NodeManager; |
| |
| public class ViewSelectionTransformer implements ITransformer |
| { |
| protected Controller controller; |
| protected String listManagerKey; |
| protected String viewKey; |
| |
| public ViewSelectionTransformer(Controller controller, String listManagerKey, String viewKey) |
| { |
| this.controller = controller; |
| this.listManagerKey = listManagerKey; |
| this.viewKey = viewKey; |
| } |
| |
| public Hashtable normalize(Hashtable properties) |
| { |
| Vector normalizedViewIds = new Vector(); |
| NodeManager nodeManager = controller.getCurrentPerspective().getNodeManager(); |
| Node currNode = nodeManager.getSelectedNode(); |
| TreeElement currElement = currNode.getTreeElement(); |
| Object listManagerObj = currElement.getPropertyAsObject(listManagerKey); |
| if (listManagerObj instanceof ListManager) |
| { |
| ListManager listManager = (ListManager) listManagerObj; |
| String[] viewIds = getViewValues(properties); |
| for (int i = 0; i < viewIds.length; i++) |
| { |
| ListElement listElement = null; |
| try |
| { |
| listElement = listManager.getElementWithViewId(Integer.parseInt(viewIds[i])); |
| } |
| catch (NumberFormatException nfe) |
| { |
| } |
| if (listElement != null) |
| { |
| Object object = listElement.getObject(); |
| if (object != null && object instanceof Element) |
| { |
| Element element = (Element) object; |
| normalizedViewIds.add(element.getName()); |
| } |
| } |
| } |
| } |
| properties.put(viewKey, normalizedViewIds.toArray(new String[0])); |
| return properties; |
| } |
| |
| public Hashtable deNormalize(Hashtable properties) |
| { |
| Vector viewIds = new Vector(); |
| Node currNode = controller.getCurrentPerspective().getNodeManager().getSelectedNode(); |
| if (currNode != null) |
| { |
| TreeElement currElement = currNode.getTreeElement(); |
| Object listManagerObj = currElement.getPropertyAsObject(listManagerKey); |
| if (listManagerObj instanceof ListManager) |
| { |
| ListManager listManager = (ListManager) listManagerObj; |
| String[] normalizedViewIds = getViewValues(properties); |
| for (int i = 0; i < normalizedViewIds.length; i++) |
| { |
| Enumeration e = listManager.getListElements(); |
| while (e.hasMoreElements()) |
| { |
| ListElement listElement = (ListElement) e.nextElement(); |
| Element element = (Element) listElement.getObject(); |
| if (element != null && normalizedViewIds[i].equals(element.getName())) |
| { |
| viewIds.add(String.valueOf(listElement.getViewId())); |
| break; |
| } |
| } |
| } |
| } |
| } |
| int size = viewIds.size(); |
| if (size == 1) |
| properties.put(viewKey, viewIds.get(0)); |
| else if (size > 1) |
| properties.put(viewKey, viewIds.toArray(new String[0])); |
| return properties; |
| } |
| |
| private String[] getViewValues(Hashtable properties) |
| { |
| Object viewValueObj = properties.get(viewKey); |
| String[] viewValues; |
| if (viewValueObj == null) |
| viewValues = new String[0]; |
| else if (viewValueObj.getClass().isArray()) |
| viewValues = (String[]) viewValueObj; |
| else |
| viewValues = new String[]{(String) viewValueObj}; |
| return viewValues; |
| } |
| } |