| /* |
| * Copyright (c) 2002 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| */ |
| package org.eclipse.wst.common.ui.internal.resources; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.wst.common.ui.internal.UIPlugin; |
| |
| |
| public class ChangeHelper |
| { |
| public static final String copyright = "(c) Copyright IBM Corporation 2000, 2002."; |
| protected IEditorPart editor; |
| |
| public ChangeHelper(IEditorPart editor) |
| { |
| this.editor = editor; |
| } |
| |
| boolean handlingEditorInput = false; |
| |
| public void handleEditorInputChanged() |
| { |
| if (handlingEditorInput) |
| return; |
| |
| handlingEditorInput = true; |
| |
| if (isDeleted(editor.getEditorInput())) |
| { |
| // if saveas is allowed, give the user an opportunity to |
| // save the existing contents to another file |
| if (editor.isDirty() && editor.isSaveAsAllowed()) |
| { |
| boolean isDone = false; |
| while (isDone == false) |
| { |
| String[] buttons= { UIPlugin.getResourceString("_UI_SAVE_BUTTON"), |
| UIPlugin.getResourceString("_UI_CLOSE_BUTTON") }; |
| |
| final MessageDialog msg = new MessageDialog(editor.getSite().getShell(), |
| UIPlugin.getResourceString("_UI_FILE_CHANGED_TITLE"), |
| null, |
| UIPlugin.getResourceString("_UI_FILE_DELETED_SAVE_CHANGES"), |
| MessageDialog.QUESTION, |
| buttons, |
| 0); |
| |
| int rc = msg.open(); |
| if (rc == 0) |
| { |
| editor.doSaveAs(); |
| } |
| else |
| { |
| close(false); |
| break; |
| } |
| if (!editor.isDirty())//!isDeleted(editor.getEditorInput())) |
| { |
| isDone = true; |
| } |
| } |
| // refresh it so it gets removed from the workspace |
| // WorkbenchUtility.refreshLocalWorkspaceFile(((IFileEditorInput)editor.getEditorInput()).getFile(), new NullProgressMonitor()); |
| } |
| else |
| { |
| // otherwise time to shutdown the editor. |
| // MessageDialog.openConfirm(editor.getSite().getShell(), B2BGUIPlugin.getGUIString("_UI_FILE_CHANGED_TITLE"), B2BGUIPlugin.getGUIString("_UI_FILE_DELETED_EDITOR_CLOSED")); |
| close(false); |
| } |
| } |
| else |
| { |
| // The file has just had its contents modified |
| if (editor instanceof IExternalChangeEditorListener) |
| { |
| |
| boolean rc = MessageDialog.openQuestion(editor.getSite().getShell(), UIPlugin.getResourceString("_UI_FILE_CHANGED_TITLE"), UIPlugin.getResourceString("_UI_FILE_CHANGED_LOAD_CHANGES")); |
| if (rc == true) |
| { |
| ((IExternalChangeEditorListener)editor).reload(); |
| } |
| } |
| } |
| handlingEditorInput = false; |
| } |
| |
| // close the editor |
| public void close(final boolean save) |
| { |
| Display display= editor.getSite().getShell().getDisplay(); |
| display.asyncExec(new Runnable() |
| { |
| public void run() |
| { |
| editor.getSite().getPage().closeEditor(editor, save); |
| } |
| }); |
| } |
| |
| /* |
| * check if file is deleted |
| */ |
| public boolean isDeleted(Object element) |
| { |
| if (element instanceof IFileEditorInput) |
| { |
| IFileEditorInput input= (IFileEditorInput) element; |
| |
| IPath path= input.getFile().getLocation(); |
| if (path == null) |
| { |
| return true; |
| } |
| return !path.toFile().exists(); |
| } |
| return false; |
| } |
| }// ChangeHelper |