| /******************************************************************************* |
| * Copyright (c) 2009 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.server.ui.internal.view.servers; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.actions.SelectionProviderAction; |
| import org.eclipse.wst.server.core.IModule; |
| import org.eclipse.wst.server.core.IServer; |
| import org.eclipse.wst.server.ui.internal.Messages; |
| /** |
| * This global delete action handles both the server and module deletion. |
| */ |
| public class GlobalDeleteAction extends SelectionProviderAction { |
| protected Shell shell; |
| private DeleteAction serverDeleteAction = null; |
| private boolean isRemoveServer = false; |
| |
| public GlobalDeleteAction(Shell shell, ISelectionProvider selectionProvider) { |
| super(selectionProvider, Messages.actionDelete); |
| this.shell = shell; |
| setEnabled(false); |
| serverDeleteAction = new DeleteAction(shell, selectionProvider); |
| } |
| |
| private boolean isRemoveModuleActionEnabled(IStructuredSelection sel) { |
| if (sel == null || sel.isEmpty()) |
| return false; |
| |
| // get selection but avoid no selection or multiple selection |
| IModule[] moduleArray = null; |
| Iterator iterator = sel.iterator(); |
| Object obj = iterator.next(); |
| if (obj instanceof ModuleServer) { |
| ModuleServer ms = (ModuleServer) obj; |
| moduleArray = ms.module; |
| } |
| |
| if (iterator.hasNext()) { |
| moduleArray = null; |
| } |
| |
| return (moduleArray == null || moduleArray.length == 1); |
| } |
| |
| /** |
| * Update the enabled state. |
| * |
| * @param sel a selection |
| */ |
| public void selectionChanged(IStructuredSelection sel) { |
| if (sel.isEmpty()) { |
| setEnabled(false); |
| return; |
| } |
| |
| // Check if the delete action is enabled or not. |
| serverDeleteAction.selectionChanged(sel); |
| |
| if (serverDeleteAction.isEnabled()) { |
| // The server deletion action is already enabled. |
| isRemoveServer = true; |
| setEnabled(true); |
| return; |
| } |
| |
| // Check the remove module action. |
| if (isRemoveModuleActionEnabled(sel)) { |
| isRemoveServer = false; |
| setEnabled(true); |
| } else { |
| setEnabled(false); |
| } |
| } |
| |
| public void run() { |
| if (isRemoveServer) { |
| // Run the server delete action; |
| serverDeleteAction.run(); |
| return; |
| } |
| // get selection but avoid no selection or multiple selection |
| IServer server = null; |
| IModule[] moduleArray = null; |
| IStructuredSelection sel = getStructuredSelection(); |
| if (!sel.isEmpty()) { |
| Iterator iterator = sel.iterator(); |
| Object obj = iterator.next(); |
| |
| // and the method calls serverDeleteAction, then returns |
| if (obj instanceof IServer) |
| server = (IServer) obj; |
| if (obj instanceof ModuleServer) { |
| ModuleServer ms = (ModuleServer) obj; |
| server = ms.server; // even though ms.server is public, let's stick to the getServer call |
| moduleArray = ms.module; |
| } |
| |
| if (iterator.hasNext()) { |
| server = null; |
| moduleArray = null; |
| } |
| } |
| |
| if (moduleArray != null && moduleArray.length == 1) { |
| new RemoveModuleAction(shell, server, moduleArray[0]).run(); |
| } |
| } |
| } |