| /******************************************************************************* |
| * Copyright (c) 2001, 2006 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.xsd.ui.internal.common.actions; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.wst.xsd.ui.internal.adapters.XSDBaseAdapter; |
| import org.eclipse.wst.xsd.ui.internal.common.commands.AddXSDAnyElementCommand; |
| import org.eclipse.wst.xsd.ui.internal.common.util.Messages; |
| import org.eclipse.xsd.XSDModelGroup; |
| import org.eclipse.xsd.XSDParticle; |
| import org.eclipse.xsd.XSDWildcard; |
| |
| public class AddXSDAnyElementAction extends XSDBaseAction |
| { |
| public static String ID = "org.eclipse.wst.xsd.ui.AddXSDAnyElementAction"; //$NON-NLS-1$ |
| |
| public AddXSDAnyElementAction(IWorkbenchPart part) |
| { |
| super(part); |
| setText(Messages._UI_ACTION_ADD_ANY_ELEMENT); |
| setId(ID); |
| } |
| |
| public void run() |
| { |
| XSDModelGroup modelGroup = getModelGroup(); |
| if (modelGroup != null) |
| { |
| AddXSDAnyElementCommand command = new AddXSDAnyElementCommand(getText(), modelGroup); |
| getCommandStack().execute(command); |
| } |
| } |
| |
| private XSDModelGroup getModelGroup() |
| { |
| Object selection = ((IStructuredSelection) getSelection()).getFirstElement(); |
| |
| if (selection instanceof XSDBaseAdapter) |
| { |
| selection = ((XSDBaseAdapter) selection).getTarget(); |
| } |
| if (selection instanceof XSDModelGroup) |
| { |
| return (XSDModelGroup) selection; |
| } |
| return null; |
| } |
| |
| protected boolean calculateEnabled() |
| { |
| boolean rc = super.calculateEnabled(); |
| if (rc) |
| { |
| XSDModelGroup modelGroup = getModelGroup(); |
| if (modelGroup != null) |
| { |
| boolean hasAnyElement = false; |
| for (Iterator i = modelGroup.getContents().iterator(); i.hasNext();) |
| { |
| XSDParticle obj = (XSDParticle) i.next(); |
| if (obj.getContent() instanceof XSDWildcard) |
| { |
| hasAnyElement = true; |
| break; |
| } |
| } |
| return !hasAnyElement; |
| } |
| } |
| return rc; |
| } |
| |
| } |