| /******************************************************************************* |
| * Copyright (c) 2003, 2004 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.ui.part; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.ui.IInPlaceEditor; |
| import org.eclipse.ui.IInPlaceEditorInput; |
| |
| /** |
| * Adapter for making a file resource a suitable input for an in-place editor. |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.0 |
| */ |
| public class FileInPlaceEditorInput extends FileEditorInput implements |
| IInPlaceEditorInput { |
| IInPlaceEditor embeddedEditor; |
| |
| /** |
| * A resource listener to update the input and in-place |
| * editor if the input's file resource changes. |
| */ |
| private IResourceChangeListener resourceListener = new IResourceChangeListener() { |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceDelta mainDelta = event.getDelta(); |
| if (mainDelta != null && embeddedEditor != null) { |
| IResourceDelta affectedElement = mainDelta.findMember(getFile() |
| .getFullPath()); |
| if (affectedElement != null) { |
| try { |
| processDelta(affectedElement); |
| } catch (CoreException exception) { |
| // Failed so close the receiver |
| if (embeddedEditor != null) { |
| embeddedEditor.getSite().getPage().closeEditor( |
| embeddedEditor, true); |
| } |
| } |
| } |
| } |
| } |
| |
| private boolean processDelta(final IResourceDelta delta) |
| throws CoreException { |
| Runnable changeRunnable = null; |
| |
| switch (delta.getKind()) { |
| case IResourceDelta.REMOVED: |
| if ((IResourceDelta.MOVED_TO & delta.getFlags()) != 0) { |
| changeRunnable = new Runnable() { |
| public void run() { |
| IPath path = delta.getMovedToPath(); |
| IFile newFile = delta.getResource().getWorkspace() |
| .getRoot().getFile(path); |
| if (newFile != null && embeddedEditor != null) { |
| embeddedEditor |
| .sourceChanged(new FileInPlaceEditorInput( |
| newFile)); |
| } |
| } |
| }; |
| } else { |
| changeRunnable = new Runnable() { |
| public void run() { |
| if (embeddedEditor != null) { |
| embeddedEditor.sourceDeleted(); |
| embeddedEditor.getSite().getPage().closeEditor( |
| embeddedEditor, true); |
| } |
| } |
| }; |
| |
| } |
| |
| break; |
| } |
| |
| if (changeRunnable != null && embeddedEditor != null) { |
| embeddedEditor.getSite().getShell().getDisplay().asyncExec( |
| changeRunnable); |
| } |
| |
| return true; // because we are sitting on files anyway |
| } |
| }; |
| |
| /** |
| * Creates an in-place editor input based on a file resource. |
| * |
| * @param file the file resource |
| */ |
| public FileInPlaceEditorInput(IFile file) { |
| super(file); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IInPlaceEditorInput#setInPlaceEditor(org.eclipse.ui.IInPlaceEditor) |
| */ |
| public void setInPlaceEditor(IInPlaceEditor editor) { |
| if (embeddedEditor != editor) { |
| if (embeddedEditor != null) { |
| getFile().getWorkspace().removeResourceChangeListener( |
| resourceListener); |
| } |
| |
| embeddedEditor = editor; |
| |
| if (embeddedEditor != null) { |
| getFile().getWorkspace().addResourceChangeListener( |
| resourceListener); |
| } |
| } |
| } |
| } |