| /******************************************************************************* |
| * Copyright (c) 2000, 2003 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 Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.examples.jspeditor; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.Position; |
| import org.eclipse.jface.text.reconciler.DirtyRegion; |
| import org.eclipse.jface.text.reconciler.IReconcileStep; |
| import org.eclipse.jface.text.reconciler.IReconcileResult; |
| import org.eclipse.jface.text.reconciler.IReconcilingStrategy; |
| import org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension; |
| import org.eclipse.jface.text.source.Annotation; |
| import org.eclipse.jface.text.source.IAnnotationModel; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.ui.actions.WorkspaceModifyOperation; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| /** |
| * Reconciling strategy for Java parts in JSP files. |
| * |
| * @since 3.0 |
| */ |
| public class JspReconcilingStrategy implements IReconcilingStrategy, IReconcilingStrategyExtension { |
| |
| private IReconcileStep fFirstStep; |
| private ITextEditor fTextEditor; |
| private IProgressMonitor fProgressMonitor; |
| |
| public JspReconcilingStrategy(ISourceViewer sourceViewer, ITextEditor textEditor) { |
| fTextEditor= textEditor; |
| IReconcileStep javaReconcileStep= new JavaReconcileStep(getFile()); |
| fFirstStep= new Jsp2JavaReconcileStep(javaReconcileStep); |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#setDocument(org.eclipse.jface.text.IDocument) |
| */ |
| public void setDocument(IDocument document) { |
| fFirstStep.setInputModel(new DocumentAdapter(document)); |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.reconciler.DirtyRegion, org.eclipse.jface.text.IRegion) |
| */ |
| public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) { |
| removeTemporaryAnnotations(); |
| process(fFirstStep.reconcile(dirtyRegion, subRegion)); |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.IRegion) |
| */ |
| public void reconcile(IRegion partition) { |
| removeTemporaryAnnotations(); |
| process(fFirstStep.reconcile(partition)); |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension#setProgressMonitor(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void setProgressMonitor(IProgressMonitor monitor) { |
| fFirstStep.setProgressMonitor(monitor); |
| fProgressMonitor= monitor; |
| |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension#initialReconcile() |
| */ |
| public void initialReconcile() { |
| fFirstStep.reconcile(null); |
| |
| } |
| |
| private void process(final IReconcileResult[] results) { |
| |
| if (results == null) |
| return; |
| |
| IRunnableWithProgress runnable= new WorkspaceModifyOperation(null) { |
| /* |
| * @see org.eclipse.ui.actions.WorkspaceModifyOperation#execute(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException { |
| for (int i= 0; i < results.length; i++) { |
| |
| if (fProgressMonitor != null && fProgressMonitor.isCanceled()) |
| return; |
| |
| if (!(results[i] instanceof AnnotationAdapter)) |
| continue; |
| |
| AnnotationAdapter result= (AnnotationAdapter)results[i]; |
| Position pos= result.getPosition(); |
| |
| Annotation annotation= result.createAnnotation(); |
| getAnnotationModel().addAnnotation(annotation, pos); |
| } |
| } |
| }; |
| try { |
| runnable.run(null); |
| } catch (InvocationTargetException e) { |
| e.printStackTrace(); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private IAnnotationModel getAnnotationModel() { |
| return fTextEditor.getDocumentProvider().getAnnotationModel(fTextEditor.getEditorInput()); |
| } |
| |
| /* |
| * XXX: A "real" implementation must be smarter |
| * i.e. don't remove and add the annotations |
| * which are the same. |
| */ |
| private void removeTemporaryAnnotations() { |
| Iterator iter= getAnnotationModel().getAnnotationIterator(); |
| while (iter.hasNext()) { |
| Object annotation= iter.next(); |
| if (annotation instanceof Annotation) { |
| Annotation extension= (Annotation)annotation; |
| if (!extension.isPersistent()) |
| getAnnotationModel().removeAnnotation((Annotation)annotation); |
| } |
| } |
| } |
| |
| private IFile getFile() { |
| IEditorInput input= fTextEditor.getEditorInput(); |
| if (!(input instanceof IFileEditorInput)) |
| return null; |
| |
| return ((IFileEditorInput)input).getFile(); |
| } |
| } |