Bug was introduced when working on the RSE paths. I have fixed it and this fixes...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPDocumentProvider.java
index 07af3cd..9ea94bc 100644 (file)
 package net.sourceforge.phpeclipse.phpeditor;
 
 /**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. 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
+ Copyright (c) 2000, 2002 IBM Corp. 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 implementation
-    Klaus Hartlage - www.eclipseproject.de
-**********************************************************************/
+ Contributors:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
 
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.IProblemRequestor;
+import net.sourceforge.phpdt.core.JavaCore;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.core.compiler.IProblem;
+import net.sourceforge.phpdt.internal.ui.text.IPHPPartitions;
+import net.sourceforge.phpdt.internal.ui.text.java.IProblemRequestorExtension;
+import net.sourceforge.phpdt.internal.ui.text.spelling.SpellReconcileStrategy.SpellProblem;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceRuleFactory;
+import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.jobs.ISchedulingRule;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.text.Assert;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.DefaultLineTracker;
+import org.eclipse.jface.text.Document;
 import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IDocumentPartitioner;
-import org.eclipse.jface.text.rules.DefaultPartitioner;
-import org.eclipse.jface.text.rules.RuleBasedPartitioner;
-import org.eclipse.ui.editors.text.FileDocumentProvider;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPPartitionScanner;
+import org.eclipse.jface.text.ILineTracker;
+import org.eclipse.jface.text.ISynchronizable;
+import org.eclipse.jface.text.Position;
+import org.eclipse.jface.text.source.Annotation;
+import org.eclipse.jface.text.source.AnnotationModelEvent;
+import org.eclipse.jface.text.source.IAnnotationAccessExtension;
+import org.eclipse.jface.text.source.IAnnotationModel;
+import org.eclipse.jface.text.source.IAnnotationModelListener;
+import org.eclipse.jface.text.source.IAnnotationModelListenerExtension;
+import org.eclipse.jface.text.source.IAnnotationPresentation;
+import org.eclipse.jface.text.source.ImageUtilities;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.ListenerList;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.editors.text.EditorsUI;
+import org.eclipse.ui.editors.text.ForwardingDocumentProvider;
+import org.eclipse.ui.editors.text.TextFileDocumentProvider;
+import org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel;
+import org.eclipse.ui.texteditor.AnnotationPreference;
+import org.eclipse.ui.texteditor.AnnotationPreferenceLookup;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+import org.eclipse.ui.texteditor.MarkerAnnotation;
+import org.eclipse.ui.texteditor.MarkerUtilities;
+import org.eclipse.ui.texteditor.ResourceMarkerAnnotationModel;
 
-/** 
+/**
  * The PHPDocumentProvider provides the IDocuments used by java editors.
  */
 
-public class PHPDocumentProvider extends FileDocumentProvider {
-
-  // private final static String[] TYPES= new String[] { PHPPartitionScanner.PHP, PHPPartitionScanner.JAVA_DOC, PHPPartitionScanner.JAVA_MULTILINE_COMMENT };
-  private final static String[] TYPES = new String[] { 
-    PHPPartitionScanner.PHP,
-//    PHPPartitionScanner.HTML, 
-    PHPPartitionScanner.HTML_MULTILINE_COMMENT };
-
-  private static PHPPartitionScanner fgScanner = null;
-
-  public PHPDocumentProvider() {
-    super();
-  }
-
-  /* (non-Javadoc)
-   * Method declared on AbstractDocumentProvider
-   */
-  protected IDocument createDocument(Object element) throws CoreException {
-    IDocument document = super.createDocument(element);
-    if (document != null) {
-      IDocumentPartitioner partitioner = createPHPPartitioner();
-      document.setDocumentPartitioner(partitioner);
-      partitioner.connect(document);
-    }
-    return document;
-  }
-
-  /**
-   * Return a partitioner for .php files.
-   */
-  private IDocumentPartitioner createPHPPartitioner() {
-    return new DefaultPartitioner(getPHPPartitionScanner(), TYPES);
-  }
-
-  /**
-   * Return a scanner for creating java partitions.
-   */
-  private PHPPartitionScanner getPHPPartitionScanner() {
-    if (fgScanner == null)
-      fgScanner = new PHPPartitionScanner();
-    return fgScanner;
-  }
+public class PHPDocumentProvider extends TextFileDocumentProvider implements
+               ICompilationUnitDocumentProvider {
+       /**
+        * Here for visibility issues only.
+        */
+
+       /**
+        * Bundle of all required informations to allow working copy management.
+        */
+       /**
+        * Bundle of all required informations to allow working copy management.
+        */
+       static protected class CompilationUnitInfo extends FileInfo {
+               public ICompilationUnit fCopy;
+       }
+
+       /**
+        * Annotation model dealing with java marker annotations and temporary
+        * problems. Also acts as problem requestor for its compilation unit.
+        * Initialiy inactive. Must explicitly be activated.
+        */
+       protected static class CompilationUnitAnnotationModel extends
+                       ResourceMarkerAnnotationModel implements IProblemRequestor,
+                       IProblemRequestorExtension {
+
+               private static class ProblemRequestorState {
+                       boolean fInsideReportingSequence = false;
+
+                       List fReportedProblems;
+               }
+
+               private ThreadLocal fProblemRequestorState = new ThreadLocal();
+
+               private int fStateCount = 0;
+
+               private ICompilationUnit fCompilationUnit;
+
+               private List fGeneratedAnnotations;
+
+               private IProgressMonitor fProgressMonitor;
+
+               private boolean fIsActive = false;
+
+               private ReverseMap fReverseMap = new ReverseMap();
+
+               private List fPreviouslyOverlaid = null;
+
+               private List fCurrentlyOverlaid = new ArrayList();
+
+               public CompilationUnitAnnotationModel(IResource resource) {
+                       super(resource);
+               }
+
+               public void setCompilationUnit(ICompilationUnit unit) {
+                       fCompilationUnit = unit;
+               }
+
+               protected MarkerAnnotation createMarkerAnnotation(IMarker marker) {
+                       String markerType = MarkerUtilities.getMarkerType(marker);
+                       if (markerType != null
+                                       && markerType
+                                                       .startsWith(JavaMarkerAnnotation.JAVA_MARKER_TYPE_PREFIX))
+                               return new JavaMarkerAnnotation(marker);
+                       return super.createMarkerAnnotation(marker);
+               }
+
+               /*
+                * @see org.eclipse.jface.text.source.AnnotationModel#createAnnotationModelEvent()
+                */
+               protected AnnotationModelEvent createAnnotationModelEvent() {
+                       return new CompilationUnitAnnotationModelEvent(this, getResource());
+               }
+
+               protected Position createPositionFromProblem(IProblem problem) {
+                       int start = problem.getSourceStart();
+                       if (start < 0)
+                               return null;
+
+                       int length = problem.getSourceEnd() - problem.getSourceStart() + 1;
+                       if (length < 0)
+                               return null;
+
+                       return new Position(start, length);
+               }
+
+               /*
+                * @see IProblemRequestor#beginReporting()
+                */
+               public void beginReporting() {
+                       ProblemRequestorState state = (ProblemRequestorState) fProblemRequestorState
+                                       .get();
+                       if (state == null)
+                               internalBeginReporting(false);
+               }
+
+               /*
+                * @see net.sourceforge.phpdt.internal.ui.text.java.IProblemRequestorExtension#beginReportingSequence()
+                */
+               public void beginReportingSequence() {
+                       ProblemRequestorState state = (ProblemRequestorState) fProblemRequestorState
+                                       .get();
+                       if (state == null)
+                               internalBeginReporting(true);
+               }
+
+               /**
+                * Sets up the infrastructure necessary for problem reporting.
+                * 
+                * @param insideReportingSequence
+                *            <code>true</code> if this method call is issued from
+                *            inside a reporting sequence
+                */
+               private void internalBeginReporting(boolean insideReportingSequence) {
+                       if (fCompilationUnit != null) {
+                               // &&
+                               // fCompilationUnit.getJavaProject().isOnClasspath(fCompilationUnit))
+                               // {
+                               ProblemRequestorState state = new ProblemRequestorState();
+                               state.fInsideReportingSequence = insideReportingSequence;
+                               state.fReportedProblems = new ArrayList();
+                               synchronized (getLockObject()) {
+                                       fProblemRequestorState.set(state);
+                                       ++fStateCount;
+                               }
+                       }
+               }
+
+               /*
+                * @see IProblemRequestor#acceptProblem(IProblem)
+                */
+               public void acceptProblem(IProblem problem) {
+                       if (isActive()) {
+                               ProblemRequestorState state = (ProblemRequestorState) fProblemRequestorState
+                                               .get();
+                               if (state != null)
+                                       state.fReportedProblems.add(problem);
+                       }
+               }
+
+               /*
+                * @see IProblemRequestor#endReporting()
+                */
+               public void endReporting() {
+                       ProblemRequestorState state = (ProblemRequestorState) fProblemRequestorState
+                                       .get();
+                       if (state != null && !state.fInsideReportingSequence)
+                               internalEndReporting(state);
+               }
+
+               /*
+                * @see net.sourceforge.phpdt.internal.ui.text.java.IProblemRequestorExtension#endReportingSequence()
+                */
+               public void endReportingSequence() {
+                       ProblemRequestorState state = (ProblemRequestorState) fProblemRequestorState
+                                       .get();
+                       if (state != null && state.fInsideReportingSequence)
+                               internalEndReporting(state);
+               }
+
+               private void internalEndReporting(ProblemRequestorState state) {
+                       int stateCount = 0;
+                       synchronized (getLockObject()) {
+                               --fStateCount;
+                               stateCount = fStateCount;
+                               fProblemRequestorState.set(null);
+                       }
+
+                       if (stateCount == 0 && isActive())
+                               reportProblems(state.fReportedProblems);
+               }
+
+               /**
+                * Signals the end of problem reporting.
+                */
+               private void reportProblems(List reportedProblems) {
+                       if (fProgressMonitor != null && fProgressMonitor.isCanceled())
+                               return;
+
+                       boolean temporaryProblemsChanged = false;
+
+                       synchronized (getLockObject()) {
+
+                               boolean isCanceled = false;
+
+                               fPreviouslyOverlaid = fCurrentlyOverlaid;
+                               fCurrentlyOverlaid = new ArrayList();
+
+                               if (fGeneratedAnnotations.size() > 0) {
+                                       temporaryProblemsChanged = true;
+                                       removeAnnotations(fGeneratedAnnotations, false, true);
+                                       fGeneratedAnnotations.clear();
+                               }
+
+                               if (reportedProblems != null && reportedProblems.size() > 0) {
+
+                                       Iterator e = reportedProblems.iterator();
+                                       while (e.hasNext()) {
+
+                                               if (fProgressMonitor != null
+                                                               && fProgressMonitor.isCanceled()) {
+                                                       isCanceled = true;
+                                                       break;
+                                               }
+
+                                               IProblem problem = (IProblem) e.next();
+                                               Position position = createPositionFromProblem(problem);
+                                               if (position != null) {
+
+                                                       try {
+                                                               ProblemAnnotation annotation = new ProblemAnnotation(
+                                                                               problem, fCompilationUnit);
+                                                               overlayMarkers(position, annotation);
+                                                               addAnnotation(annotation, position, false);
+                                                               fGeneratedAnnotations.add(annotation);
+
+                                                               temporaryProblemsChanged = true;
+                                                       } catch (BadLocationException x) {
+                                                               // ignore invalid position
+                                                       }
+                                               }
+                                       }
+                               }
+
+                               removeMarkerOverlays(isCanceled);
+                               fPreviouslyOverlaid = null;
+                       }
+
+                       if (temporaryProblemsChanged)
+                               fireModelChanged();
+               }
+
+               private void removeMarkerOverlays(boolean isCanceled) {
+                       if (isCanceled) {
+                               fCurrentlyOverlaid.addAll(fPreviouslyOverlaid);
+                       } else if (fPreviouslyOverlaid != null) {
+                               Iterator e = fPreviouslyOverlaid.iterator();
+                               while (e.hasNext()) {
+                                       JavaMarkerAnnotation annotation = (JavaMarkerAnnotation) e
+                                                       .next();
+                                       annotation.setOverlay(null);
+                               }
+                       }
+               }
+
+               /**
+                * Overlays value with problem annotation.
+                * 
+                * @param problemAnnotation
+                */
+               private void setOverlay(Object value,
+                               ProblemAnnotation problemAnnotation) {
+                       if (value instanceof JavaMarkerAnnotation) {
+                               JavaMarkerAnnotation annotation = (JavaMarkerAnnotation) value;
+                               if (annotation.isProblem()) {
+                                       annotation.setOverlay(problemAnnotation);
+                                       fPreviouslyOverlaid.remove(annotation);
+                                       fCurrentlyOverlaid.add(annotation);
+                               }
+                       } else {
+                       }
+               }
+
+               private void overlayMarkers(Position position,
+                               ProblemAnnotation problemAnnotation) {
+                       Object value = getAnnotations(position);
+                       if (value instanceof List) {
+                               List list = (List) value;
+                               for (Iterator e = list.iterator(); e.hasNext();)
+                                       setOverlay(e.next(), problemAnnotation);
+                       } else {
+                               setOverlay(value, problemAnnotation);
+                       }
+               }
+
+               /**
+                * Tells this annotation model to collect temporary problems from now
+                * on.
+                */
+               private void startCollectingProblems() {
+                       fGeneratedAnnotations = new ArrayList();
+               }
+
+               /**
+                * Tells this annotation model to no longer collect temporary problems.
+                */
+               private void stopCollectingProblems() {
+                       if (fGeneratedAnnotations != null)
+                               removeAnnotations(fGeneratedAnnotations, true, true);
+                       fGeneratedAnnotations = null;
+               }
+
+               /*
+                * @see IProblemRequestor#isActive()
+                */
+               public boolean isActive() {
+                       return fIsActive;
+               }
+
+               /*
+                * @see IProblemRequestorExtension#setProgressMonitor(IProgressMonitor)
+                */
+               public void setProgressMonitor(IProgressMonitor monitor) {
+                       fProgressMonitor = monitor;
+               }
+
+               /*
+                * @see IProblemRequestorExtension#setIsActive(boolean)
+                */
+               public void setIsActive(boolean isActive) {
+                       if (fIsActive != isActive) {
+                               fIsActive = isActive;
+                               if (fIsActive)
+                                       startCollectingProblems();
+                               else
+                                       stopCollectingProblems();
+                       }
+               }
+
+               private Object getAnnotations(Position position) {
+                       return fReverseMap.get(position);
+               }
+
+               /*
+                * @see AnnotationModel#addAnnotation(Annotation, Position, boolean)
+                */
+               protected void addAnnotation(Annotation annotation, Position position,
+                               boolean fireModelChanged) throws BadLocationException {
+                       super.addAnnotation(annotation, position, fireModelChanged);
+
+                       Object cached = fReverseMap.get(position);
+                       if (cached == null)
+                               fReverseMap.put(position, annotation);
+                       else if (cached instanceof List) {
+                               List list = (List) cached;
+                               list.add(annotation);
+                       } else if (cached instanceof Annotation) {
+                               List list = new ArrayList(2);
+                               list.add(cached);
+                               list.add(annotation);
+                               fReverseMap.put(position, list);
+                       }
+               }
+
+               /*
+                * @see AnnotationModel#removeAllAnnotations(boolean)
+                */
+               protected void removeAllAnnotations(boolean fireModelChanged) {
+                       super.removeAllAnnotations(fireModelChanged);
+                       fReverseMap.clear();
+               }
+
+               /*
+                * @see AnnotationModel#removeAnnotation(Annotation, boolean)
+                */
+               protected void removeAnnotation(Annotation annotation,
+                               boolean fireModelChanged) {
+                       Position position = getPosition(annotation);
+                       Object cached = fReverseMap.get(position);
+                       if (cached instanceof List) {
+                               List list = (List) cached;
+                               list.remove(annotation);
+                               if (list.size() == 1) {
+                                       fReverseMap.put(position, list.get(0));
+                                       list.clear();
+                               }
+                       } else if (cached instanceof Annotation) {
+                               fReverseMap.remove(position);
+                       }
+                       super.removeAnnotation(annotation, fireModelChanged);
+               }
+       }
+
+       protected static class GlobalAnnotationModelListener implements
+                       IAnnotationModelListener, IAnnotationModelListenerExtension {
+
+               private ListenerList fListenerList;
+
+               public GlobalAnnotationModelListener() {
+                       fListenerList = new ListenerList();
+               }
+
+               public void addListener(IAnnotationModelListener listener) {
+                       fListenerList.add(listener);
+               }
+
+               /**
+                * @see IAnnotationModelListenerExtension#modelChanged(AnnotationModelEvent)
+                */
+               public void modelChanged(AnnotationModelEvent event) {
+                       Object[] listeners = fListenerList.getListeners();
+                       for (int i = 0; i < listeners.length; i++) {
+                               Object curr = listeners[i];
+                               if (curr instanceof IAnnotationModelListenerExtension) {
+                                       ((IAnnotationModelListenerExtension) curr)
+                                                       .modelChanged(event);
+                               }
+                       }
+               }
+
+               /**
+                * @see IAnnotationModelListener#modelChanged(IAnnotationModel)
+                */
+               public void modelChanged(IAnnotationModel model) {
+                       Object[] listeners = fListenerList.getListeners();
+                       for (int i = 0; i < listeners.length; i++) {
+                               ((IAnnotationModelListener) listeners[i]).modelChanged(model);
+                       }
+               }
+
+               public void removeListener(IAnnotationModelListener listener) {
+                       fListenerList.remove(listener);
+               }
+       }
+
+       /**
+        * Annotation representating an <code>IProblem</code>.
+        */
+       static public class ProblemAnnotation extends Annotation implements
+                       IJavaAnnotation, IAnnotationPresentation {
+
+               private static final String SPELLING_ANNOTATION_TYPE = "org.eclipse.ui.workbench.texteditor.spelling";
+
+               // XXX: To be fully correct these constants should be non-static
+               /**
+                * The layer in which task problem annotations are located.
+                */
+               private static final int TASK_LAYER;
+
+               /**
+                * The layer in which info problem annotations are located.
+                */
+               private static final int INFO_LAYER;
+
+               /**
+                * The layer in which warning problem annotations representing are
+                * located.
+                */
+               private static final int WARNING_LAYER;
+
+               /**
+                * The layer in which error problem annotations representing are
+                * located.
+                */
+               private static final int ERROR_LAYER;
+
+               static {
+                       AnnotationPreferenceLookup lookup = EditorsUI
+                                       .getAnnotationPreferenceLookup();
+                       TASK_LAYER = computeLayer(
+                                       "org.eclipse.ui.workbench.texteditor.task", lookup); //$NON-NLS-1$
+                       INFO_LAYER = computeLayer("net.sourceforge.phpdt.ui.info", lookup); //$NON-NLS-1$
+                       WARNING_LAYER = computeLayer(
+                                       "net.sourceforge.phpdt.ui.warning", lookup); //$NON-NLS-1$
+                       ERROR_LAYER = computeLayer("net.sourceforge.phpdt.ui.error", lookup); //$NON-NLS-1$
+               }
+
+               private static int computeLayer(String annotationType,
+                               AnnotationPreferenceLookup lookup) {
+                       Annotation annotation = new Annotation(annotationType, false, null);
+                       AnnotationPreference preference = lookup
+                                       .getAnnotationPreference(annotation);
+                       if (preference != null)
+                               return preference.getPresentationLayer() + 1;
+                       else
+                               return IAnnotationAccessExtension.DEFAULT_LAYER + 1;
+               }
+
+               // private static Image fgQuickFixImage;
+               // private static Image fgQuickFixErrorImage;
+               // private static boolean fgQuickFixImagesInitialized= false;
+
+               private ICompilationUnit fCompilationUnit;
+
+               private List fOverlaids;
+
+               private IProblem fProblem;
+
+               private Image fImage;
+
+               private boolean fQuickFixImagesInitialized = false;
+
+               private int fLayer = IAnnotationAccessExtension.DEFAULT_LAYER;
+
+               public ProblemAnnotation(IProblem problem, ICompilationUnit cu) {
+
+                       fProblem = problem;
+                       fCompilationUnit = cu;
+
+                       if (SpellProblem.Spelling == fProblem.getID()) {
+                               setType(SPELLING_ANNOTATION_TYPE);
+                               fLayer = WARNING_LAYER;
+                       } else if (IProblem.Task == fProblem.getID()) {
+                               setType(JavaMarkerAnnotation.TASK_ANNOTATION_TYPE);
+                               fLayer = TASK_LAYER;
+                       } else if (fProblem.isWarning()) {
+                               setType(JavaMarkerAnnotation.WARNING_ANNOTATION_TYPE);
+                               fLayer = WARNING_LAYER;
+                       } else if (fProblem.isError()) {
+                               setType(JavaMarkerAnnotation.ERROR_ANNOTATION_TYPE);
+                               fLayer = ERROR_LAYER;
+                       } else {
+                               setType(JavaMarkerAnnotation.INFO_ANNOTATION_TYPE);
+                               fLayer = INFO_LAYER;
+                       }
+               }
+
+               /*
+                * @see org.eclipse.jface.text.source.IAnnotationPresentation#getLayer()
+                */
+               public int getLayer() {
+                       return fLayer;
+               }
+
+               private void initializeImages() {
+                       // http://bugs.eclipse.org/bugs/show_bug.cgi?id=18936
+                       // if (!fQuickFixImagesInitialized) {
+                       // if (isProblem() && indicateQuixFixableProblems() &&
+                       // JavaCorrectionProcessor.hasCorrections(this)) { // no light bulb
+                       // for tasks
+                       // if (!fgQuickFixImagesInitialized) {
+                       // fgQuickFixImage=
+                       // JavaPluginImages.get(JavaPluginImages.IMG_OBJS_FIXABLE_PROBLEM);
+                       // fgQuickFixErrorImage=
+                       // JavaPluginImages.get(JavaPluginImages.IMG_OBJS_FIXABLE_ERROR);
+                       // fgQuickFixImagesInitialized= true;
+                       // }
+                       // if (JavaMarkerAnnotation.ERROR_ANNOTATION_TYPE.equals(getType()))
+                       // fImage= fgQuickFixErrorImage;
+                       // else
+                       // fImage= fgQuickFixImage;
+                       // }
+                       // fQuickFixImagesInitialized= true;
+                       // }
+               }
+
+               private boolean indicateQuixFixableProblems() {
+                       return PreferenceConstants.getPreferenceStore().getBoolean(
+                                       PreferenceConstants.EDITOR_CORRECTION_INDICATION);
+               }
+
+               /*
+                * @see Annotation#paint
+                */
+               public void paint(GC gc, Canvas canvas, Rectangle r) {
+                       initializeImages();
+                       if (fImage != null)
+                               ImageUtilities.drawImage(fImage, gc, canvas, r, SWT.CENTER,
+                                               SWT.TOP);
+               }
+
+               /*
+                * @see IJavaAnnotation#getImage(Display)
+                */
+               public Image getImage(Display display) {
+                       initializeImages();
+                       return fImage;
+               }
+
+               /*
+                * @see IJavaAnnotation#getMessage()
+                */
+               public String getText() {
+                       return fProblem.getMessage();
+               }
+
+               /*
+                * @see IJavaAnnotation#getArguments()
+                */
+               public String[] getArguments() {
+                       return isProblem() ? fProblem.getArguments() : null;
+               }
+
+               /*
+                * @see IJavaAnnotation#getId()
+                */
+               public int getId() {
+                       return fProblem.getID();
+               }
+
+               /*
+                * @see IJavaAnnotation#isProblem()
+                */
+               public boolean isProblem() {
+                       String type = getType();
+                       return JavaMarkerAnnotation.WARNING_ANNOTATION_TYPE.equals(type)
+                                       || JavaMarkerAnnotation.ERROR_ANNOTATION_TYPE.equals(type)
+                                       || SPELLING_ANNOTATION_TYPE.equals(type);
+               }
+
+               /*
+                * @see IJavaAnnotation#hasOverlay()
+                */
+               public boolean hasOverlay() {
+                       return false;
+               }
+
+               /*
+                * @see net.sourceforge.phpdt.internal.ui.javaeditor.IJavaAnnotation#getOverlay()
+                */
+               public IJavaAnnotation getOverlay() {
+                       return null;
+               }
+
+               /*
+                * @see IJavaAnnotation#addOverlaid(IJavaAnnotation)
+                */
+               public void addOverlaid(IJavaAnnotation annotation) {
+                       if (fOverlaids == null)
+                               fOverlaids = new ArrayList(1);
+                       fOverlaids.add(annotation);
+               }
+
+               /*
+                * @see IJavaAnnotation#removeOverlaid(IJavaAnnotation)
+                */
+               public void removeOverlaid(IJavaAnnotation annotation) {
+                       if (fOverlaids != null) {
+                               fOverlaids.remove(annotation);
+                               if (fOverlaids.size() == 0)
+                                       fOverlaids = null;
+                       }
+               }
+
+               /*
+                * @see IJavaAnnotation#getOverlaidIterator()
+                */
+               public Iterator getOverlaidIterator() {
+                       if (fOverlaids != null)
+                               return fOverlaids.iterator();
+                       return null;
+               }
+
+               /*
+                * @see net.sourceforge.phpdt.internal.ui.javaeditor.IJavaAnnotation#getCompilationUnit()
+                */
+               public ICompilationUnit getCompilationUnit() {
+                       return fCompilationUnit;
+               }
+       }
+
+       /**
+        * Internal structure for mapping positions to some value. The reason for
+        * this specific structure is that positions can change over time. Thus a
+        * lookup is based on value and not on hash value.
+        */
+       protected static class ReverseMap {
+
+               static class Entry {
+                       Position fPosition;
+
+                       Object fValue;
+               }
+
+               private int fAnchor = 0;
+
+               private List fList = new ArrayList(2);
+
+               public ReverseMap() {
+               }
+
+               public void clear() {
+                       fList.clear();
+               }
+
+               public Object get(Position position) {
+
+                       Entry entry;
+
+                       // behind anchor
+                       int length = fList.size();
+                       for (int i = fAnchor; i < length; i++) {
+                               entry = (Entry) fList.get(i);
+                               if (entry.fPosition.equals(position)) {
+                                       fAnchor = i;
+                                       return entry.fValue;
+                               }
+                       }
+
+                       // before anchor
+                       for (int i = 0; i < fAnchor; i++) {
+                               entry = (Entry) fList.get(i);
+                               if (entry.fPosition.equals(position)) {
+                                       fAnchor = i;
+                                       return entry.fValue;
+                               }
+                       }
+
+                       return null;
+               }
+
+               private int getIndex(Position position) {
+                       Entry entry;
+                       int length = fList.size();
+                       for (int i = 0; i < length; i++) {
+                               entry = (Entry) fList.get(i);
+                               if (entry.fPosition.equals(position))
+                                       return i;
+                       }
+                       return -1;
+               }
+
+               public void put(Position position, Object value) {
+                       int index = getIndex(position);
+                       if (index == -1) {
+                               Entry entry = new Entry();
+                               entry.fPosition = position;
+                               entry.fValue = value;
+                               fList.add(entry);
+                       } else {
+                               Entry entry = (Entry) fList.get(index);
+                               entry.fValue = value;
+                       }
+               }
+
+               public void remove(Position position) {
+                       int index = getIndex(position);
+                       if (index > -1)
+                               fList.remove(index);
+               }
+       }
+
+       /**
+        * Document that can also be used by a background reconciler.
+        */
+       protected static class PartiallySynchronizedDocument extends Document {
+
+               /*
+                * @see IDocumentExtension#startSequentialRewrite(boolean)
+                */
+               synchronized public void startSequentialRewrite(boolean normalized) {
+                       super.startSequentialRewrite(normalized);
+               }
+
+               /*
+                * @see IDocumentExtension#stopSequentialRewrite()
+                */
+               synchronized public void stopSequentialRewrite() {
+                       super.stopSequentialRewrite();
+               }
+
+               /*
+                * @see IDocument#get()
+                */
+               synchronized public String get() {
+                       return super.get();
+               }
+
+               /*
+                * @see IDocument#get(int, int)
+                */
+               synchronized public String get(int offset, int length)
+                               throws BadLocationException {
+                       return super.get(offset, length);
+               }
+
+               /*
+                * @see IDocument#getChar(int)
+                */
+               synchronized public char getChar(int offset)
+                               throws BadLocationException {
+                       return super.getChar(offset);
+               }
+
+               /*
+                * @see IDocument#replace(int, int, String)
+                */
+               synchronized public void replace(int offset, int length, String text)
+                               throws BadLocationException {
+                       super.replace(offset, length, text);
+               }
+
+               /*
+                * @see IDocument#set(String)
+                */
+               synchronized public void set(String text) {
+                       super.set(text);
+               }
+       };
+
+       //
+       // private static PHPPartitionScanner HTML_PARTITION_SCANNER = null;
+       //
+       // private static PHPPartitionScanner PHP_PARTITION_SCANNER = null;
+       // private static PHPPartitionScanner SMARTY_PARTITION_SCANNER = null;
+       //
+       // // private final static String[] TYPES= new String[] {
+       // PHPPartitionScanner.PHP, PHPPartitionScanner.JAVA_DOC,
+       // PHPPartitionScanner.JAVA_MULTILINE_COMMENT };
+       // private final static String[] TYPES =
+       // new String[] {
+       // IPHPPartitionScannerConstants.PHP,
+       // IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT,
+       // IPHPPartitionScannerConstants.HTML,
+       // IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT,
+       // IPHPPartitionScannerConstants.JAVASCRIPT,
+       // IPHPPartitionScannerConstants.CSS,
+       // IPHPPartitionScannerConstants.SMARTY,
+       // IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT };
+       // private static PHPPartitionScanner XML_PARTITION_SCANNER = null;
+
+       /* Preference key for temporary problems */
+       private final static String HANDLE_TEMPORARY_PROBLEMS = PreferenceConstants.EDITOR_EVALUTE_TEMPORARY_PROBLEMS;
+
+       /** Indicates whether the save has been initialized by this provider */
+       private boolean fIsAboutToSave = false;
+
+       /** The save policy used by this provider */
+       private ISavePolicy fSavePolicy;
+
+       /** Internal property changed listener */
+       private IPropertyChangeListener fPropertyListener;
+
+       /** annotation model listener added to all created CU annotation models */
+       private GlobalAnnotationModelListener fGlobalAnnotationModelListener;
+
+       public PHPDocumentProvider() {
+               // IDocumentProvider provider= new TextFileDocumentProvider(new
+               // JavaStorageDocumentProvider());
+               IDocumentProvider provider = new TextFileDocumentProvider();
+               provider = new ForwardingDocumentProvider(
+                               IPHPPartitions.PHP_PARTITIONING,
+                               new JavaDocumentSetupParticipant(), provider);
+               setParentDocumentProvider(provider);
+
+               fGlobalAnnotationModelListener = new GlobalAnnotationModelListener();
+               fPropertyListener = new IPropertyChangeListener() {
+                       public void propertyChange(PropertyChangeEvent event) {
+                               if (HANDLE_TEMPORARY_PROBLEMS.equals(event.getProperty()))
+                                       enableHandlingTemporaryProblems();
+                       }
+               };
+               PHPeclipsePlugin.getDefault().getPreferenceStore()
+                               .addPropertyChangeListener(fPropertyListener);
+
+       }
+
+       /**
+        * Sets the document provider's save policy.
+        */
+       public void setSavePolicy(ISavePolicy savePolicy) {
+               fSavePolicy = savePolicy;
+       }
+
+       /**
+        * Creates a compilation unit from the given file.
+        * 
+        * @param file
+        *            the file from which to create the compilation unit
+        */
+       protected ICompilationUnit createCompilationUnit(IFile file) {
+               Object element = JavaCore.create(file);
+               if (element instanceof ICompilationUnit)
+                       return (ICompilationUnit) element;
+               return null;
+       }
+
+       /*
+        * @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createEmptyFileInfo()
+        */
+       protected FileInfo createEmptyFileInfo() {
+               return new CompilationUnitInfo();
+       }
+
+       /*
+        * @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createAnnotationModel(org.eclipse.core.resources.IFile)
+        */
+       protected IAnnotationModel createAnnotationModel(IFile file) {
+               return new CompilationUnitAnnotationModel(file);
+       }
+
+       /*
+        * @see AbstractDocumentProvider#createElementInfo(Object)
+        */
+       // protected ElementInfo createElementInfo(Object element) throws
+       // CoreException {
+       //
+       // if (!(element instanceof IFileEditorInput))
+       // return super.createElementInfo(element);
+       //
+       // IFileEditorInput input = (IFileEditorInput) element;
+       // ICompilationUnit original = createCompilationUnit(input.getFile());
+       // if (original != null) {
+       //
+       // try {
+       //
+       // try {
+       // refreshFile(input.getFile());
+       // } catch (CoreException x) {
+       // handleCoreException(x,
+       // PHPEditorMessages.getString("PHPDocumentProvider.error.createElementInfo"));
+       // //$NON-NLS-1$
+       // }
+       //
+       // IAnnotationModel m = createCompilationUnitAnnotationModel(input);
+       // IProblemRequestor r = m instanceof IProblemRequestor ?
+       // (IProblemRequestor) m : null;
+       // ICompilationUnit c = (ICompilationUnit)
+       // original.getSharedWorkingCopy(getProgressMonitor(), fBufferFactory, r);
+       //
+       // DocumentAdapter a = null;
+       // try {
+       // a = (DocumentAdapter) c.getBuffer();
+       // } catch (ClassCastException x) {
+       // IStatus status = new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID,
+       // PHPStatusConstants.TEMPLATE_IO_EXCEPTION, "Shared working copy has wrong
+       // buffer", x); //$NON-NLS-1$
+       // throw new CoreException(status);
+       // }
+       //
+       // _FileSynchronizer f = new _FileSynchronizer(input);
+       // f.install();
+       //
+       // CompilationUnitInfo info = new CompilationUnitInfo(a.getDocument(), m, f,
+       // c);
+       // info.setModificationStamp(computeModificationStamp(input.getFile()));
+       // info.fStatus = a.getStatus();
+       // info.fEncoding = getPersistedEncoding(input);
+       //
+       // if (r instanceof IProblemRequestorExtension) {
+       // IProblemRequestorExtension extension = (IProblemRequestorExtension) r;
+       // extension.setIsActive(isHandlingTemporaryProblems());
+       // }
+       // m.addAnnotationModelListener(fGlobalAnnotationModelListener);
+       //
+       // return info;
+       //
+       // } catch (JavaModelException x) {
+       // throw new CoreException(x.getStatus());
+       // }
+       // } else {
+       // return super.createElementInfo(element);
+       // }
+       // }
+       /*
+        * @see AbstractDocumentProvider#disposeElementInfo(Object, ElementInfo)
+        */
+       // protected void disposeElementInfo(Object element, ElementInfo info) {
+       //
+       // if (info instanceof CompilationUnitInfo) {
+       // CompilationUnitInfo cuInfo = (CompilationUnitInfo) info;
+       // cuInfo.fCopy.destroy();
+       // cuInfo.fModel.removeAnnotationModelListener(fGlobalAnnotationModelListener);
+       // }
+       //
+       // super.disposeElementInfo(element, info);
+       // }
+       /*
+        * @see AbstractDocumentProvider#doSaveDocument(IProgressMonitor, Object,
+        *      IDocument, boolean)
+        */
+       // protected void doSaveDocument(IProgressMonitor monitor, Object element,
+       // IDocument document, boolean overwrite)
+       // throws CoreException {
+       //
+       // ElementInfo elementInfo = getElementInfo(element);
+       // if (elementInfo instanceof CompilationUnitInfo) {
+       // CompilationUnitInfo info = (CompilationUnitInfo) elementInfo;
+       //
+       // // update structure, assumes lock on info.fCopy
+       // info.fCopy.reconcile();
+       //
+       // ICompilationUnit original = (ICompilationUnit)
+       // info.fCopy.getOriginalElement();
+       // IResource resource = original.getResource();
+       //
+       // if (resource == null) {
+       // // underlying resource has been deleted, just recreate file, ignore the
+       // rest
+       // super.doSaveDocument(monitor, element, document, overwrite);
+       // return;
+       // }
+       //
+       // if (resource != null && !overwrite)
+       // checkSynchronizationState(info.fModificationStamp, resource);
+       //
+       // if (fSavePolicy != null)
+       // fSavePolicy.preSave(info.fCopy);
+       //
+       // // inform about the upcoming content change
+       // fireElementStateChanging(element);
+       // try {
+       // fIsAboutToSave = true;
+       // // commit working copy
+       // info.fCopy.commit(overwrite, monitor);
+       // } catch (CoreException x) {
+       // // inform about the failure
+       // fireElementStateChangeFailed(element);
+       // throw x;
+       // } catch (RuntimeException x) {
+       // // inform about the failure
+       // fireElementStateChangeFailed(element);
+       // throw x;
+       // } finally {
+       // fIsAboutToSave = false;
+       // }
+       //
+       // // If here, the dirty state of the editor will change to "not dirty".
+       // // Thus, the state changing flag will be reset.
+       //
+       // AbstractMarkerAnnotationModel model = (AbstractMarkerAnnotationModel)
+       // info.fModel;
+       // model.updateMarkers(info.fDocument);
+       //
+       // if (resource != null)
+       // info.setModificationStamp(computeModificationStamp(resource));
+       //
+       // if (fSavePolicy != null) {
+       // ICompilationUnit unit = fSavePolicy.postSave(original);
+       // if (unit != null) {
+       // IResource r = unit.getResource();
+       // IMarker[] markers = r.findMarkers(IMarker.MARKER, true,
+       // IResource.DEPTH_ZERO);
+       // if (markers != null && markers.length > 0) {
+       // for (int i = 0; i < markers.length; i++)
+       // model.updateMarker(markers[i], info.fDocument, null);
+       // }
+       // }
+       // }
+       //
+       // } else {
+       // super.doSaveDocument(monitor, element, document, overwrite);
+       // }
+       // }
+       /*
+        * @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createFileInfo(java.lang.Object)
+        */
+       protected FileInfo createFileInfo(Object element) throws CoreException {
+               if (!(element instanceof IFileEditorInput))
+                       return null;
+
+               IFileEditorInput input = (IFileEditorInput) element;
+               ICompilationUnit original = createCompilationUnit(input.getFile());
+               if (original == null)
+                       return null;
+
+               FileInfo info = super.createFileInfo(element);
+               if (!(info instanceof CompilationUnitInfo))
+                       return null;
+
+               CompilationUnitInfo cuInfo = (CompilationUnitInfo) info;
+               setUpSynchronization(cuInfo);
+
+               IProblemRequestor requestor = cuInfo.fModel instanceof IProblemRequestor ? (IProblemRequestor) cuInfo.fModel
+                               : null;
+
+               original.becomeWorkingCopy(requestor, getProgressMonitor());
+               cuInfo.fCopy = original;
+
+               if (cuInfo.fModel instanceof CompilationUnitAnnotationModel) {
+                       CompilationUnitAnnotationModel model = (CompilationUnitAnnotationModel) cuInfo.fModel;
+                       model.setCompilationUnit(cuInfo.fCopy);
+               }
+
+               if (cuInfo.fModel != null)
+                       cuInfo.fModel
+                                       .addAnnotationModelListener(fGlobalAnnotationModelListener);
+
+               if (requestor instanceof IProblemRequestorExtension) {
+                       IProblemRequestorExtension extension = (IProblemRequestorExtension) requestor;
+                       extension.setIsActive(isHandlingTemporaryProblems());
+               }
+
+               return cuInfo;
+       }
+
+       private void setUpSynchronization(CompilationUnitInfo cuInfo) {
+               IDocument document = cuInfo.fTextFileBuffer.getDocument();
+               IAnnotationModel model = cuInfo.fModel;
+
+               if (document instanceof ISynchronizable
+                               && model instanceof ISynchronizable) {
+                       Object lock = ((ISynchronizable) document).getLockObject();
+                       ((ISynchronizable) model).setLockObject(lock);
+               }
+       }
+
+       /*
+        * @see org.eclipse.ui.editors.text.TextFileDocumentProvider#disposeFileInfo(java.lang.Object,
+        *      org.eclipse.ui.editors.text.TextFileDocumentProvider.FileInfo)
+        */
+       protected void disposeFileInfo(Object element, FileInfo info) {
+               if (info instanceof CompilationUnitInfo) {
+                       CompilationUnitInfo cuInfo = (CompilationUnitInfo) info;
+
+                       try {
+                               cuInfo.fCopy.discardWorkingCopy();
+                       } catch (JavaModelException x) {
+                               handleCoreException(x, x.getMessage());
+                       }
+
+                       if (cuInfo.fModel != null)
+                               cuInfo.fModel
+                                               .removeAnnotationModelListener(fGlobalAnnotationModelListener);
+               }
+               super.disposeFileInfo(element, info);
+       }
+
+       protected void commitWorkingCopy(IProgressMonitor monitor, Object element,
+                       CompilationUnitInfo info, boolean overwrite) throws CoreException {
+               synchronized (info.fCopy) {
+                       info.fCopy.reconcile();
+               }
+
+               IDocument document = info.fTextFileBuffer.getDocument();
+               IResource resource = info.fCopy.getResource();
+
+               Assert.isTrue(resource instanceof IFile);
+               if (!resource.exists()) {
+                       // underlying resource has been deleted, just recreate file, ignore
+                       // the rest
+                       createFileFromDocument(monitor, (IFile) resource, document);
+                       return;
+               }
+
+               if (fSavePolicy != null)
+                       fSavePolicy.preSave(info.fCopy);
+
+               try {
+
+                       fIsAboutToSave = true;
+                       info.fCopy.commitWorkingCopy(overwrite, monitor);
+
+               } catch (CoreException x) {
+                       // inform about the failure
+                       fireElementStateChangeFailed(element);
+                       throw x;
+               } catch (RuntimeException x) {
+                       // inform about the failure
+                       fireElementStateChangeFailed(element);
+                       throw x;
+               } finally {
+                       fIsAboutToSave = false;
+               }
+
+               // If here, the dirty state of the editor will change to "not dirty".
+               // Thus, the state changing flag will be reset.
+               if (info.fModel instanceof AbstractMarkerAnnotationModel) {
+                       AbstractMarkerAnnotationModel model = (AbstractMarkerAnnotationModel) info.fModel;
+                       model.updateMarkers(document);
+               }
+
+               if (fSavePolicy != null) {
+                       ICompilationUnit unit = fSavePolicy.postSave(info.fCopy);
+                       if (unit != null
+                                       && info.fModel instanceof AbstractMarkerAnnotationModel) {
+                               IResource r = unit.getResource();
+                               IMarker[] markers = r.findMarkers(IMarker.MARKER, true,
+                                               IResource.DEPTH_ZERO);
+                               if (markers != null && markers.length > 0) {
+                                       AbstractMarkerAnnotationModel model = (AbstractMarkerAnnotationModel) info.fModel;
+                                       for (int i = 0; i < markers.length; i++)
+                                               model.updateMarker(document, markers[i], null);
+                               }
+                       }
+               }
+
+       }
+
+       /*
+        * @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createSaveOperation(java.lang.Object,
+        *      org.eclipse.jface.text.IDocument, boolean)
+        */
+       protected DocumentProviderOperation createSaveOperation(
+                       final Object element, final IDocument document,
+                       final boolean overwrite) throws CoreException {
+               // final FileInfo info= getFileInfo(element);
+               // if (info instanceof CompilationUnitInfo) {
+               // return new DocumentProviderOperation() {
+               // /*
+               // * @see
+               // org.eclipse.ui.editors.text.TextFileDocumentProvider.DocumentProviderOperation#execute(org.eclipse.core.runtime.IProgressMonitor)
+               // */
+               // protected void execute(IProgressMonitor monitor) throws CoreException
+               // {
+               // commitWorkingCopy(monitor, element, (CompilationUnitInfo) info,
+               // overwrite);
+               // }
+               // /*
+               // * @see
+               // org.eclipse.ui.editors.text.TextFileDocumentProvider.DocumentProviderOperation#getSchedulingRule()
+               // */
+               // public ISchedulingRule getSchedulingRule() {
+               // if (info.fElement instanceof IFileEditorInput) {
+               // IFile file= ((IFileEditorInput) info.fElement).getFile();
+               // IResourceRuleFactory ruleFactory=
+               // ResourcesPlugin.getWorkspace().getRuleFactory();
+               // if (file == null || !file.exists())
+               // return ruleFactory.createRule(file);
+               // else
+               // return ruleFactory.modifyRule(file);
+               // } else
+               // return null;
+               // }
+               // };
+               // }
+               // return null;
+               final FileInfo info = getFileInfo(element);
+               if (info instanceof CompilationUnitInfo) {
+                       return new DocumentProviderOperation() {
+                               /*
+                                * @see org.eclipse.ui.editors.text.TextFileDocumentProvider.DocumentProviderOperation#execute(org.eclipse.core.runtime.IProgressMonitor)
+                                */
+                               protected void execute(IProgressMonitor monitor)
+                                               throws CoreException {
+                                       commitWorkingCopy(monitor, element,
+                                                       (CompilationUnitInfo) info, overwrite);
+                               }
+
+                               /*
+                                * @see org.eclipse.ui.editors.text.TextFileDocumentProvider.DocumentProviderOperation#getSchedulingRule()
+                                */
+                               public ISchedulingRule getSchedulingRule() {
+                                       if (info.fElement instanceof IFileEditorInput) {
+                                               IFile file = ((IFileEditorInput) info.fElement)
+                                                               .getFile();
+                                               return computeSchedulingRule(file);
+                                       } else
+                                               return null;
+                               }
+                       };
+               }
+               return null;
+       }
+
+       /*
+        * (non-Javadoc) Method declared on AbstractDocumentProvider
+        */
+       // protected IDocument createDocument(Object element) throws CoreException {
+       // if (element instanceof IEditorInput) {
+       // Document document = new PartiallySynchronizedDocument();
+       // if (setDocumentContent(document, (IEditorInput) element,
+       // getEncoding(element))) {
+       // initializeDocument(document, (IEditorInput) element);
+       //
+       // //
+       // // IDocument document = super.createDocument(element);
+       // // if (document != null) {
+       // // IDocumentPartitioner partitioner = null;
+       // // if (element instanceof FileEditorInput) {
+       // // IFile file = (IFile) ((FileEditorInput)
+       // element).getAdapter(IFile.class);
+       // // String filename = file.getLocation().toString();
+       // // String extension = filename.substring(filename.lastIndexOf("."),
+       // filename.length());
+       // // // System.out.println(extension);
+       // // if (extension.equalsIgnoreCase(".html") ||
+       // extension.equalsIgnoreCase(".htm")) {
+       // // // html
+       // // partitioner = createHTMLPartitioner();
+       // // } else if (extension.equalsIgnoreCase(".xml")) {
+       // // // xml
+       // // partitioner = createXMLPartitioner();
+       // // } else if (extension.equalsIgnoreCase(".js")) {
+       // // // javascript
+       // // partitioner = createJavaScriptPartitioner();
+       // // } else if (extension.equalsIgnoreCase(".css")) {
+       // // // cascading style sheets
+       // // partitioner = createCSSPartitioner();
+       // // } else if (extension.equalsIgnoreCase(".tpl")) {
+       // // // smarty ?
+       // // partitioner = createSmartyPartitioner();
+       // // } else if (extension.equalsIgnoreCase(".inc")) {
+       // // // php include files ?
+       // // partitioner = createIncludePartitioner();
+       // // }
+       // // }
+       // //
+       // // if (partitioner == null) {
+       // // partitioner = createPHPPartitioner();
+       // // }
+       // // document.setDocumentPartitioner(partitioner);
+       // // partitioner.connect(document);
+       // }
+       // return document;
+       // }
+       // return null;
+       // }
+       // /**
+       // * Return a partitioner for .html files.
+       // */
+       // private IDocumentPartitioner createHTMLPartitioner() {
+       // return new DefaultPartitioner(getHTMLPartitionScanner(), TYPES);
+       // }
+       //
+       // private IDocumentPartitioner createIncludePartitioner() {
+       // return new DefaultPartitioner(getPHPPartitionScanner(), TYPES);
+       // }
+       //
+       // private IDocumentPartitioner createJavaScriptPartitioner() {
+       // return new DefaultPartitioner(getHTMLPartitionScanner(), TYPES);
+       // }
+       /**
+        * Creates a line tracker working with the same line delimiters as the
+        * document of the given element. Assumes the element to be managed by this
+        * document provider.
+        * 
+        * @param element
+        *            the element serving as blue print
+        * @return a line tracker based on the same line delimiters as the element's
+        *         document
+        */
+       public ILineTracker createLineTracker(Object element) {
+               return new DefaultLineTracker();
+       }
+
+       // /**
+       // * Return a partitioner for .php files.
+       // */
+       // private IDocumentPartitioner createPHPPartitioner() {
+       // return new DefaultPartitioner(getPHPPartitionScanner(), TYPES);
+       // }
+       //
+       // private IDocumentPartitioner createSmartyPartitioner() {
+       // return new DefaultPartitioner(getSmartyPartitionScanner(), TYPES);
+       // }
+       //
+       // private IDocumentPartitioner createXMLPartitioner() {
+       // return new DefaultPartitioner(getXMLPartitionScanner(), TYPES);
+       // }
+       //
+       // /**
+       // * Return a scanner for creating html partitions.
+       // */
+       // private PHPPartitionScanner getHTMLPartitionScanner() {
+       // if (HTML_PARTITION_SCANNER == null)
+       // HTML_PARTITION_SCANNER = new
+       // PHPPartitionScanner(IPHPPartitionScannerConstants.HTML_FILE);
+       // return HTML_PARTITION_SCANNER;
+       // }
+       // /**
+       // * Return a scanner for creating php partitions.
+       // */
+       // private PHPPartitionScanner getPHPPartitionScanner() {
+       // if (PHP_PARTITION_SCANNER == null)
+       // PHP_PARTITION_SCANNER = new
+       // PHPPartitionScanner(IPHPPartitionScannerConstants.PHP_FILE);
+       // return PHP_PARTITION_SCANNER;
+       // }
+       //
+       // /**
+       // * Return a scanner for creating smarty partitions.
+       // */
+       // private PHPPartitionScanner getSmartyPartitionScanner() {
+       // if (SMARTY_PARTITION_SCANNER == null)
+       // SMARTY_PARTITION_SCANNER = new
+       // PHPPartitionScanner(IPHPPartitionScannerConstants.SMARTY_FILE);
+       // return SMARTY_PARTITION_SCANNER;
+       // }
+       //
+       // /**
+       // * Return a scanner for creating xml partitions.
+       // */
+       // private PHPPartitionScanner getXMLPartitionScanner() {
+       // if (XML_PARTITION_SCANNER == null)
+       // XML_PARTITION_SCANNER = new
+       // PHPPartitionScanner(IPHPPartitionScannerConstants.XML_FILE);
+       // return XML_PARTITION_SCANNER;
+       // }
+
+       // protected void initializeDocument(IDocument document, IEditorInput
+       // editorInput) {
+       // if (document != null) {
+       // JavaTextTools tools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+       // IDocumentPartitioner partitioner = null;
+       // if (editorInput != null && editorInput instanceof FileEditorInput) {
+       // IFile file = (IFile) ((FileEditorInput)
+       // editorInput).getAdapter(IFile.class);
+       // String filename = file.getLocation().toString();
+       // String extension = filename.substring(filename.lastIndexOf("."),
+       // filename.length());
+       // partitioner = tools.createDocumentPartitioner(extension);
+       // } else {
+       // partitioner = tools.createDocumentPartitioner(".php");
+       // }
+       // document.setDocumentPartitioner(partitioner);
+       // partitioner.connect(document);
+       // }
+       // }
+
+       /*
+        * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#doResetDocument(java.lang.Object,
+        *      org.eclipse.core.runtime.IProgressMonitor)
+        */
+       // protected void doResetDocument(Object element, IProgressMonitor monitor)
+       // throws CoreException {
+       // if (element == null)
+       // return;
+       //
+       // ElementInfo elementInfo= getElementInfo(element);
+       // if (elementInfo instanceof CompilationUnitInfo) {
+       // CompilationUnitInfo info= (CompilationUnitInfo) elementInfo;
+       //
+       // IDocument document;
+       // IStatus status= null;
+       //
+       // try {
+       //
+       // ICompilationUnit original= (ICompilationUnit)
+       // info.fCopy.getOriginalElement();
+       // IResource resource= original.getResource();
+       // if (resource instanceof IFile) {
+       //
+       // IFile file= (IFile) resource;
+       //
+       // try {
+       // refreshFile(file, monitor);
+       // } catch (CoreException x) {
+       // handleCoreException(x,
+       // PHPEditorMessages.getString("CompilationUnitDocumentProvider.error.resetDocument"));
+       // //$NON-NLS-1$
+       // }
+       //
+       // IFileEditorInput input= new FileEditorInput(file);
+       // document= super.createDocument(input);
+       //
+       // } else {
+       // document= createEmptyDocument();
+       // }
+       //
+       // } catch (CoreException x) {
+       // document= createEmptyDocument();
+       // status= x.getStatus();
+       // }
+       //
+       // fireElementContentAboutToBeReplaced(element);
+       //
+       // removeUnchangedElementListeners(element, info);
+       // info.fDocument.set(document.get());
+       // info.fCanBeSaved= false;
+       // info.fStatus= status;
+       // addUnchangedElementListeners(element, info);
+       //
+       // fireElementContentReplaced(element);
+       // fireElementDirtyStateChanged(element, false);
+       //
+       // } else {
+       // super.doResetDocument(element, monitor);
+       // }
+       // }
+       /*
+        * @see AbstractDocumentProvider#resetDocument(Object)
+        */
+       // public void resetDocument(Object element) throws CoreException {
+       // if (element == null)
+       // return;
+       //
+       // ElementInfo elementInfo = getElementInfo(element);
+       // if (elementInfo instanceof CompilationUnitInfo) {
+       // CompilationUnitInfo info = (CompilationUnitInfo) elementInfo;
+       //
+       // IDocument document;
+       // IStatus status = null;
+       //
+       // try {
+       //
+       // ICompilationUnit original = (ICompilationUnit)
+       // info.fCopy.getOriginalElement();
+       // IResource resource = original.getResource();
+       // if (resource instanceof IFile) {
+       //
+       // IFile file = (IFile) resource;
+       //
+       // try {
+       // refreshFile(file);
+       // } catch (CoreException x) {
+       // handleCoreException(x,
+       // PHPEditorMessages.getString("PHPDocumentProvider.error.resetDocument"));
+       // //$NON-NLS-1$
+       // }
+       //
+       // IFileEditorInput input = new FileEditorInput(file);
+       // document = super.createDocument(input);
+       //
+       // } else {
+       // document = new Document();
+       // }
+       //
+       // } catch (CoreException x) {
+       // document = new Document();
+       // status = x.getStatus();
+       // }
+       //
+       // fireElementContentAboutToBeReplaced(element);
+       //
+       // removeUnchangedElementListeners(element, info);
+       // info.fDocument.set(document.get());
+       // info.fCanBeSaved = false;
+       // info.fStatus = status;
+       // addUnchangedElementListeners(element, info);
+       //
+       // fireElementContentReplaced(element);
+       // fireElementDirtyStateChanged(element, false);
+       //
+       // } else {
+       // super.resetDocument(element);
+       // }
+       // }
+       /**
+        * Saves the content of the given document to the given element. This is
+        * only performed when this provider initiated the save.
+        * 
+        * @param monitor
+        *            the progress monitor
+        * @param element
+        *            the element to which to save
+        * @param document
+        *            the document to save
+        * @param overwrite
+        *            <code>true</code> if the save should be enforced
+        */
+       public void saveDocumentContent(IProgressMonitor monitor, Object element,
+                       IDocument document, boolean overwrite) throws CoreException {
+               if (!fIsAboutToSave)
+                       return;
+               super.saveDocument(monitor, element, document, overwrite);
+               // if (!fIsAboutToSave)
+               // return;
+               //
+               // if (element instanceof IFileEditorInput) {
+               // IFileEditorInput input = (IFileEditorInput) element;
+               // try {
+               // String encoding = getEncoding(element);
+               // if (encoding == null)
+               // encoding = ResourcesPlugin.getEncoding();
+               // InputStream stream = new
+               // ByteArrayInputStream(document.get().getBytes(encoding));
+               // IFile file = input.getFile();
+               // file.setContents(stream, overwrite, true, monitor);
+               // } catch (IOException x) {
+               // IStatus s = new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID,
+               // IStatus.OK, x.getMessage(), x);
+               // throw new CoreException(s);
+               // }
+               // }
+       }
+
+       /**
+        * Returns the underlying resource for the given element.
+        * 
+        * @param the
+        *            element
+        * @return the underlying resource of the given element
+        */
+       // public IResource getUnderlyingResource(Object element) {
+       // if (element instanceof IFileEditorInput) {
+       // IFileEditorInput input = (IFileEditorInput) element;
+       // return input.getFile();
+       // }
+       // return null;
+       // }
+       /*
+        * @see net.sourceforge.phpdt.internal.ui.javaeditor.ICompilationUnitDocumentProvider#getWorkingCopy(java.lang.Object)
+        */
+       public ICompilationUnit getWorkingCopy(Object element) {
+               FileInfo fileInfo = getFileInfo(element);
+               if (fileInfo instanceof CompilationUnitInfo) {
+                       CompilationUnitInfo info = (CompilationUnitInfo) fileInfo;
+                       return info.fCopy;
+               }
+               return null;
+       }
+
+       /*
+        * @see net.sourceforge.phpdt.internal.ui.javaeditor.ICompilationUnitDocumentProvider#shutdown()
+        */
+       public void shutdown() {
+               PHPeclipsePlugin.getDefault().getPreferenceStore()
+                               .removePropertyChangeListener(fPropertyListener);
+               Iterator e = getConnectedElementsIterator();
+               while (e.hasNext())
+                       disconnect(e.next());
+       }
+
+       /**
+        * Returns the preference whether handling temporary problems is enabled.
+        */
+       protected boolean isHandlingTemporaryProblems() {
+               IPreferenceStore store = PHPeclipsePlugin.getDefault()
+                               .getPreferenceStore();
+               return store.getBoolean(HANDLE_TEMPORARY_PROBLEMS);
+       }
+
+       /**
+        * Switches the state of problem acceptance according to the value in the
+        * preference store.
+        */
+       protected void enableHandlingTemporaryProblems() {
+               boolean enable = isHandlingTemporaryProblems();
+               for (Iterator iter = getFileInfosIterator(); iter.hasNext();) {
+                       FileInfo info = (FileInfo) iter.next();
+                       if (info.fModel instanceof IProblemRequestorExtension) {
+                               IProblemRequestorExtension extension = (IProblemRequestorExtension) info.fModel;
+                               extension.setIsActive(enable);
+                       }
+               }
+       }
+
+       /**
+        * Adds a listener that reports changes from all compilation unit annotation
+        * models.
+        */
+       public void addGlobalAnnotationModelListener(
+                       IAnnotationModelListener listener) {
+               fGlobalAnnotationModelListener.addListener(listener);
+       }
+
+       /**
+        * Removes the listener.
+        */
+       public void removeGlobalAnnotationModelListener(
+                       IAnnotationModelListener listener) {
+               fGlobalAnnotationModelListener.removeListener(listener);
+       }
+
+       /**
+        * Computes the scheduling rule needed to create or modify a resource. If
+        * the resource exists, its modify rule is returned. If it does not, the
+        * resource hierarchy is iterated towards the workspace root to find the
+        * first parent of <code>toCreateOrModify</code> that exists. Then the
+        * 'create' rule for the last non-existing resource is returned.
+        * <p>
+        * XXX This is a workaround for
+        * https://bugs.eclipse.org/bugs/show_bug.cgi?id=67601
+        * IResourceRuleFactory.createRule should iterate the hierarchy itself.
+        * </p>
+        * <p>
+        * XXX to be replaced by call to
+        * TextFileDocumentProvider.computeSchedulingRule after 3.0
+        * </p>
+        * 
+        * @param toCreateOrModify
+        *            the resource to create or modify
+        * @return the minimal scheduling rule needed to modify or create a resource
+        */
+       protected ISchedulingRule computeSchedulingRule(IResource toCreateOrModify) {
+               IResourceRuleFactory factory = ResourcesPlugin.getWorkspace()
+                               .getRuleFactory();
+               if (toCreateOrModify.exists()) {
+                       return factory.modifyRule(toCreateOrModify);
+               } else {
+                       IResource parent = toCreateOrModify;
+                       do {
+                               toCreateOrModify = parent;
+                               parent = toCreateOrModify.getParent();
+                       } while (parent != null && !parent.exists());
+
+                       return factory.createRule(toCreateOrModify);
+               }
+       }
 }