| /******************************************************************************* |
| * Copyright (c) 2003, 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.server.ui.internal.editor; |
| |
| import org.eclipse.core.commands.operations.IUndoableOperation; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.wst.server.core.*; |
| import org.eclipse.wst.server.ui.internal.Messages; |
| /** |
| * A command manager for a single server resource. |
| */ |
| public class ServerResourceCommandManager { |
| protected ServerEditor editor; |
| protected GlobalCommandManager commandManager; |
| protected String id; |
| |
| public ServerResourceCommandManager(ServerEditor editor, String id, GlobalCommandManager commandManager) { |
| this.editor = editor; |
| this.commandManager = commandManager; |
| this.id = id; |
| } |
| |
| public boolean isReadOnly() { |
| return commandManager.isReadOnly(id); |
| } |
| |
| /** |
| * Execute the given command and place it in the undo stack. |
| * If the command cannot be undone, the user will be notifed |
| * before it is executed. |
| * |
| * @param operation an undoable operation |
| */ |
| public void execute(IUndoableOperation operation) { |
| if (!validateEdit()) |
| return; |
| |
| if (commandManager.isReadOnly(id)) { |
| warnReadOnly(); |
| return; |
| } |
| commandManager.executeCommand(id, operation); |
| } |
| |
| protected void warnReadOnly() { |
| String title = Messages.editorResourceWarnTitle; |
| String message = Messages.editorResourceWarnMessage; |
| |
| MessageDialog.openWarning(editor.getEditorSite().getShell(), title, message); |
| } |
| |
| /** |
| * |
| */ |
| protected boolean validateEdit() { |
| if (commandManager.isDirty(id)) |
| return true; |
| |
| IFile[] files = commandManager.getReadOnlyFiles(id); |
| if (files.length == 0) |
| return true; |
| |
| IStatus status = ResourcesPlugin.getWorkspace().validateEdit(files, editor.getEditorSite().getShell()); |
| |
| if (status.getSeverity() == IStatus.ERROR) { |
| // inform user |
| String message = Messages.editorValidateEditFailureMessage; |
| ErrorDialog.openError(editor.getEditorSite().getShell(), Messages.errorDialogTitle, message, status); |
| |
| // change to read-only |
| commandManager.setReadOnly(id, true); |
| |
| // do not execute command |
| return false; |
| } |
| // check file timestamp |
| IServerAttributes serverfile = commandManager.getServerResource(id); |
| if (commandManager.hasChanged(id)) { |
| if (serverfile instanceof IServer) |
| editor.promptReloadServerFile(id, (IServerWorkingCopy) serverfile); |
| } |
| |
| // allow edit |
| return true; |
| } |
| |
| public ServerEditor getServerEditor() { |
| return editor; |
| } |
| } |