--- /dev/null
+/*
+ * Copyright (c) 2003-2004 Christopher Lenz 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:
+ * Christopher Lenz - initial API and implementation
+ *
+ * $Id: CssReconcilingStrategy.java,v 1.1 2004-09-02 18:11:48 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.css.ui.internal.text;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.Iterator;
+
+import net.sourceforge.phpeclipse.css.ui.CssUI;
+
+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.IReconcileResult;
+import org.eclipse.jface.text.reconciler.IReconcileStep;
+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.ui.IEditorInput;
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+
+/**
+ * Reconciling strategy for CSS style sheets. This class is responsible for
+ * keeping the parsed model in sync with the text.
+ */
+public class CssReconcilingStrategy
+ implements IReconcilingStrategy, IReconcilingStrategyExtension {
+
+ // Instance Variables ------------------------------------------------------
+
+ /**
+ * The associated text editor.
+ */
+ private ITextEditor editor;
+
+ /**
+ * A progress monitor that should be used for long-running operations.
+ */
+ IProgressMonitor progressMonitor;
+
+ /**
+ * The first (and only) reconcile step is the parsing of the style sheet.
+ */
+ private IReconcileStep firstStep;
+
+ // Constructors ------------------------------------------------------------
+
+ public CssReconcilingStrategy(ITextEditor editor) {
+ this.editor = editor;
+ firstStep = new CssReconcileStep(editor);
+ }
+
+ // IReconcilingStrategy Implementation -------------------------------------
+
+ /**
+ * @see IReconcilingStrategy#reconcile(DirtyRegion, IRegion)
+ */
+ public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) {
+ removeTemporaryAnnotations();
+ process(firstStep.reconcile(dirtyRegion, subRegion));
+ }
+
+ /**
+ * @see IReconcilingStrategy#reconcile(IRegion)
+ */
+ public void reconcile(IRegion partition) {
+ removeTemporaryAnnotations();
+ process(firstStep.reconcile(partition));
+ }
+
+ /**
+ * @see IReconcilingStrategy#setDocument(IDocument)
+ */
+ public void setDocument(IDocument document) {
+ // FIXME
+ firstStep.setInputModel(null); //new DocumentAdapter(document);
+ }
+
+ // IReconcilingStrategyExtension Implementation ----------------------------
+
+ /**
+ * @see IReconcilingStrategyExtension#initialReconcile()
+ */
+ public void initialReconcile() {
+ process(firstStep.reconcile(null));
+ }
+
+ /**
+ * @see IReconcilingStrategyExtension#setProgressMonitor(IProgressMonitor)
+ */
+ public void setProgressMonitor(IProgressMonitor monitor) {
+ firstStep.setProgressMonitor(monitor);
+ progressMonitor = monitor;
+ }
+
+ // Private Methods ---------------------------------------------------------
+
+ /**
+ * Returns the annotation model for the editor input.
+ *
+ * @return the annotation model
+ */
+ IAnnotationModel getAnnotationModel() {
+ IEditorInput input = editor.getEditorInput();
+ return editor.getDocumentProvider().getAnnotationModel(input);
+ }
+
+ /**
+ * Adds results of the reconcilation to the annotation model.
+ */
+ private void process(final IReconcileResult[] results) {
+ if (results == null) {
+ return;
+ }
+
+ IRunnableWithProgress runnable = new WorkspaceModifyOperation() {
+ protected void execute(IProgressMonitor monitor) {
+ for (int i = 0; i < results.length; i++) {
+ if ((progressMonitor != null)
+ && (progressMonitor.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) {
+ CssUI.log(e);
+ } catch (InterruptedException e) {
+ CssUI.log(e);
+ }
+
+ if (editor instanceof IReconcilingParticipant) {
+ ((IReconcilingParticipant) editor).reconciled();
+ }
+ }
+
+ /*
+ * TODO A "real" implementation must be smarter, i.e. don't remove and add
+ * the annotations which are the same.
+ */
+ private void removeTemporaryAnnotations() {
+ Iterator i = getAnnotationModel().getAnnotationIterator();
+ while (i.hasNext()) {
+ Annotation annotation = (Annotation) i.next();
+ if (!annotation.isPersistent()) {
+ getAnnotationModel().removeAnnotation(annotation);
+ }
+ }
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff