updated build.xml
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPDocumentProvider.java
index ec23358..599cd4f 100644 (file)
@@ -19,38 +19,34 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
-import net.sourceforge.phpdt.core.IBuffer;
-import net.sourceforge.phpdt.core.IBufferFactory;
 import net.sourceforge.phpdt.core.ICompilationUnit;
-import net.sourceforge.phpdt.core.IJavaModelStatusConstants;
-import net.sourceforge.phpdt.core.IOpenable;
 import net.sourceforge.phpdt.core.IProblemRequestor;
-import net.sourceforge.phpdt.core.JavaModelException;
 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.PHPStatusConstants;
-import net.sourceforge.phpdt.internal.ui.PHPUIStatus;
 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.phpdt.ui.text.JavaTextTools;
 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
 
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IMarker;
-import org.eclipse.core.resources.IMarkerDelta;
 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.IStatus;
 import org.eclipse.core.runtime.Status;
+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.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;
@@ -59,6 +55,7 @@ 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;
@@ -68,433 +65,366 @@ 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.IEditorInput;
 import org.eclipse.ui.IFileEditorInput;
 import org.eclipse.ui.editors.text.EditorsUI;
-import org.eclipse.ui.editors.text.FileDocumentProvider;
-import org.eclipse.ui.part.FileEditorInput;
+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.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 {
+public class PHPDocumentProvider extends TextFileDocumentProvider {
   /**
                         * Here for visibility issues only.
                         */
-  protected class _FileSynchronizer extends FileSynchronizer {
-    public _FileSynchronizer(IFileEditorInput fileEditorInput) {
-      super(fileEditorInput);
-    }
-  };
-  /**
-                * Bundle of all required informations to allow working copy management. 
-                */
-  protected class CompilationUnitInfo extends FileInfo {
-
-    ICompilationUnit fCopy;
 
-    public CompilationUnitInfo(
-      IDocument document,
-      IAnnotationModel model,
-      _FileSynchronizer fileSynchronizer,
-      ICompilationUnit copy) {
-      super(document, model, fileSynchronizer);
-      fCopy = copy;
-    }
-
-    public void setModificationStamp(long timeStamp) {
-      fModificationStamp = timeStamp;
-    }
-  };
   /**
-                * 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 class CompilationUnitAnnotationModel
-    extends ResourceMarkerAnnotationModel
-    implements IProblemRequestor, IProblemRequestorExtension {
-    private List fCollectedProblems;
-    private List fCurrentlyOverlaid = new ArrayList();
-    private List fGeneratedAnnotations;
-
-    private IFileEditorInput fInput;
-    private boolean fIsActive = false;
-    private List fPreviouslyOverlaid = null;
-    private IProgressMonitor fProgressMonitor;
-
-    private ReverseMap fReverseMap = new ReverseMap();
-
-    public CompilationUnitAnnotationModel(IFileEditorInput input) {
-      super(input.getFile());
-      fInput = input;
-    }
-
-    /*
-     * @see IProblemRequestor#acceptProblem(IProblem)
-     */
-    public void acceptProblem(IProblem problem) {
-      if (isActive())
-        fCollectedProblems.add(problem);
-    }
-
-    /*
-     * @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 IProblemRequestor#beginReporting()
-     */
-    public void beginReporting() {
-      ICompilationUnit unit = getWorkingCopy(fInput);
-      if (unit != null) // && unit.getJavaProject().isOnClasspath(unit))
-        fCollectedProblems = new ArrayList();
-      else
-        fCollectedProblems = null;
-    }
-
-    protected MarkerAnnotation createMarkerAnnotation(IMarker marker) {
-      return new JavaMarkerAnnotation(marker);
-    }
-
-    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#endReporting()
-     */
-    public void endReporting() {
-      if (!isActive())
-        return;
-      
-      if (fProgressMonitor != null && fProgressMonitor.isCanceled())
-        return;
-      
-      
-      boolean isCanceled= false;
-      boolean temporaryProblemsChanged= false;
-      
-      synchronized (fAnnotations) {
-        
-        fPreviouslyOverlaid= fCurrentlyOverlaid;
-        fCurrentlyOverlaid= new ArrayList();
-
-        if (fGeneratedAnnotations.size() > 0) {
-          temporaryProblemsChanged= true;      
-          removeAnnotations(fGeneratedAnnotations, false, true);
-          fGeneratedAnnotations.clear();
-        }
-        
-        if (fCollectedProblems != null && fCollectedProblems.size() > 0) {
-          
-          ICompilationUnit cu= getWorkingCopy(fInput);
-          Iterator e= fCollectedProblems.iterator();
-          while (e.hasNext()) {
-            
-            IProblem problem= (IProblem) e.next();
-            
-            if (fProgressMonitor != null && fProgressMonitor.isCanceled()) {
-              isCanceled= true;
-              break;
-            }
-            
-            Position position= createPositionFromProblem(problem);
-            if (position != null) {
-              try {
-                ProblemAnnotation annotation= new ProblemAnnotation(problem, cu);
-                addAnnotation(annotation, position, false);
-                overlayMarkers(position, annotation);                                                          
-                fGeneratedAnnotations.add(annotation);
-                
-                temporaryProblemsChanged= true;
-              } catch (BadLocationException x) {
-                // ignore invalid position
-              }
-            }
-          }
-          
-          fCollectedProblems.clear();
-        }
-        
-        removeMarkerOverlays(isCanceled);
-        fPreviouslyOverlaid.clear();
-        fPreviouslyOverlaid= null;
-      }
-      
-      if (temporaryProblemsChanged)
-        fireModelChanged();
-    }
-    /*
-     * @see IProblemRequestor#endReporting()
-     */
-//    public void endReporting() {
-//      if (!isActive())
-//        return;
-//
-//      if (fProgressMonitor != null && fProgressMonitor.isCanceled())
-//        return;
-//
-//      boolean isCanceled = false;
-//      boolean temporaryProblemsChanged = false;
-//      fPreviouslyOverlaid = fCurrentlyOverlaid;
-//      fCurrentlyOverlaid = new ArrayList();
-//
-//      synchronized (fAnnotations) {
-//
-//        if (fGeneratedAnnotations.size() > 0) {
-//          temporaryProblemsChanged = true;
-//          removeAnnotations(fGeneratedAnnotations, false, true);
-//          fGeneratedAnnotations.clear();
-//        }
-//
-//        if (fCollectedProblems != null && fCollectedProblems.size() > 0) {
-//
-//          Iterator e = fCollectedProblems.iterator();
-//          while (e.hasNext()) {
-//
-//            IProblem problem = (IProblem) e.next();
-//
-//            if (fProgressMonitor != null && fProgressMonitor.isCanceled()) {
-//              isCanceled = true;
-//              break;
-//            }
-//
-//            Position position = createPositionFromProblem(problem);
-//            if (position != null) {
-//
-//              ProblemAnnotation annotation = new ProblemAnnotation(problem);
-//              overlayMarkers(position, annotation);
-//              fGeneratedAnnotations.add(annotation);
-//              addAnnotation(annotation, position, false);
-//
-//              temporaryProblemsChanged = true;
-//            }
-//          }
-//
-//          fCollectedProblems.clear();
-//        }
-//
-//        removeMarkerOverlays(isCanceled);
-//        fPreviouslyOverlaid.clear();
-//        fPreviouslyOverlaid = null;
-//      }
-//
-//      if (temporaryProblemsChanged)
-//        fireModelChanged(new CompilationUnitAnnotationModelEvent(this, getResource(), false));
-//    }
-
-    private Object getAnnotations(Position position) {
-      return fReverseMap.get(position);
-    }
-
-    /*
-     * @see AnnotationModel#fireModelChanged()
-     */
-    protected void fireModelChanged() {
-      fireModelChanged(new CompilationUnitAnnotationModelEvent(this, getResource(), true));
-    }
-
-    /*
-     * @see IProblemRequestor#isActive()
-     */
-    public boolean isActive() {
-      return fIsActive && (fCollectedProblems != null);
-    }
-
-    /*
-     * @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);
-    }
-
-    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);
-        }
-      }
-    }
-
-    /*
-     * @see IProblemRequestorExtension#setIsActive(boolean)
-     */
-    public void setIsActive(boolean isActive) {
-      if (fIsActive != isActive) {
-        fIsActive = isActive;
-        if (fIsActive)
-          startCollectingProblems();
-        else
-          stopCollectingProblems();
-      }
-    }
-
-    /*
-     * @see IProblemRequestorExtension#setProgressMonitor(IProgressMonitor)
-     */
-    public void setProgressMonitor(IProgressMonitor monitor) {
-      fProgressMonitor = monitor;
-    }
-
-    /**
-     * 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);
-        }
-      }
-    }
-
-    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() {
-      fCollectedProblems = new ArrayList();
-      fGeneratedAnnotations = new ArrayList();
-    }
-
-    /**
-     * Tells this annotation model to no longer collect temporary problems.
-     */
-    private void stopCollectingProblems() {
-      if (fGeneratedAnnotations != null) {
-        removeAnnotations(fGeneratedAnnotations, true, true);
-        fGeneratedAnnotations.clear();
-      }
-      fCollectedProblems = null;
-      fGeneratedAnnotations = null;
-    }
-
-    protected void update(IMarkerDelta[] markerDeltas) {
-
-      super.update(markerDeltas);
-
-      if (markerDeltas != null && markerDeltas.length > 0) {
-        try {
-          ICompilationUnit workingCopy = getWorkingCopy(fInput);
-          if (workingCopy != null)
-            workingCopy.reconcile(true, null);
-        } catch (JavaModelException ex) {
-          handleCoreException(ex, ex.getMessage());
-        }
-      }
-    }
-  }
-  /**
-                * Creates <code>IBuffer</code>s based on documents.
+                * Bundle of all required informations to allow working copy management. 
                 */
-  protected class BufferFactory implements IBufferFactory {
-
-    private IDocument internalGetDocument(IFileEditorInput input) throws CoreException {
-      IDocument document = getDocument(input);
-      if (document != null)
-        return document;
-      return PHPDocumentProvider.this.createDocument(input);
-    }
+       /**
+        * 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 IBuffer createBuffer(IOpenable owner) {
-      if (owner instanceof ICompilationUnit) {
-
-        ICompilationUnit unit = (ICompilationUnit) owner;
-        ICompilationUnit original = (ICompilationUnit) unit.getOriginalElement();
-        IResource resource = original.getResource();
-        if (resource instanceof IFile) {
-          IFileEditorInput providerKey = new FileEditorInput((IFile) resource);
-
-          IDocument document = null;
-          IStatus status = null;
-
-          try {
-            document = internalGetDocument(providerKey);
-          } catch (CoreException x) {
-            status = x.getStatus();
-            document = new Document();
-            initializeDocument(document, providerKey);
-          }
-
-          DocumentAdapter adapter =
-            new DocumentAdapter(unit, document, new DefaultLineTracker(), PHPDocumentProvider.this, providerKey);
-          adapter.setStatus(status);
-          return adapter;
-        }
+               
+               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 org.eclipse.jdt.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;
+                               }
+                       }
+               }
 
-      }
-      return DocumentAdapter.NULL;
-    }
-  };
+               /*
+                * @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 org.eclipse.jdt.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;
@@ -593,11 +523,10 @@ public class PHPDocumentProvider extends FileDocumentProvider {
                        fProblem= problem;
                        fCompilationUnit= cu;
                        
-//                     if (SpellProblem.Spelling == fProblem.getID()) {
-//                             setType(SPELLING_ANNOTATION_TYPE);
-//                             fLayer= WARNING_LAYER;
-//                     } else 
-                   if (IProblem.Task == fProblem.getID()) {
+                       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()) {
@@ -640,16 +569,15 @@ public class PHPDocumentProvider extends FileDocumentProvider {
                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)
-                               drawImage(fImage, gc, canvas, r, SWT.CENTER, SWT.TOP);
+                               ImageUtilities.drawImage(fImage, gc, canvas, r, SWT.CENTER, SWT.TOP);
                }
-               
                /*
                 * @see IJavaAnnotation#getImage(Display)
                 */
@@ -897,8 +825,6 @@ public class PHPDocumentProvider extends FileDocumentProvider {
   /* Preference key for temporary problems */
   private final static String HANDLE_TEMPORARY_PROBLEMS = PreferenceConstants.EDITOR_EVALUTE_TEMPORARY_PROBLEMS;
 
-  /** The buffer factory */
-  private IBufferFactory fBufferFactory = new BufferFactory();
   /** Indicates whether the save has been initialized by this provider */
   private boolean fIsAboutToSave = false;
   /** The save policy used by this provider */
@@ -910,17 +836,16 @@ public class PHPDocumentProvider extends FileDocumentProvider {
   private GlobalAnnotationModelListener fGlobalAnnotationModelListener;
 
   public PHPDocumentProvider() {
-
-    fPropertyListener = new IPropertyChangeListener() {
-      public void propertyChange(PropertyChangeEvent event) {
-        if (HANDLE_TEMPORARY_PROBLEMS.equals(event.getProperty()))
-          enableHandlingTemporaryProblems();
-      }
-    };
-
-    fGlobalAnnotationModelListener = new GlobalAnnotationModelListener();
-
-    PHPeclipsePlugin.getDefault().getPreferenceStore().addPropertyChangeListener(fPropertyListener);
+       setParentDocumentProvider(new TextFileDocumentProvider(new JavaStorageDocumentProvider()));             
+       
+       fPropertyListener= new IPropertyChangeListener() {
+               public void propertyChange(PropertyChangeEvent event) {
+                       if (HANDLE_TEMPORARY_PROBLEMS.equals(event.getProperty()))
+                               enableHandlingTemporaryProblems();
+               }
+       };
+       fGlobalAnnotationModelListener= new GlobalAnnotationModelListener();
+       PHPeclipsePlugin.getDefault().getPreferenceStore().addPropertyChangeListener(fPropertyListener);
 
   }
 
@@ -942,214 +867,369 @@ public class PHPDocumentProvider extends FileDocumentProvider {
       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);
-    }
-  }
+//  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);
-  }
+//  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);
+//  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);
+//    }
+//  }
 
-      if (resource != null)
-        info.setModificationStamp(computeModificationStamp(resource));
+       /*
+        * @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;
 
-      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);
-          }
+               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);
         }
-      }
-
-    } else {
-      super.doSaveDocument(monitor, element, document, overwrite);
     }
-  }
-
-  /**
-   * Replaces createAnnotionModel of the super class.
-   */
-  protected IAnnotationModel createCompilationUnitAnnotationModel(Object element) throws CoreException {
-               if ( !(element instanceof IFileEditorInput))
-                       throw new CoreException(PHPUIStatus.createError(
-                               IJavaModelStatusConstants.INVALID_RESOURCE_TYPE, "", null)); //$NON-NLS-1$
+    
+    /*
+        * @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 {
                
-               IFileEditorInput input= (IFileEditorInput) element;
-               return new CompilationUnitAnnotationModel(input);
-  }
+               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);
+                       }
+               }
+       }
+}
 
-  //  private IDocumentPartitioner createCSSPartitioner() {
-  //    return new DefaultPartitioner(getHTMLPartitionScanner(), TYPES);
-  //  }
+/*
+ * @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;
+}
 
   /* (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;
-  }
+//  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.
@@ -1227,78 +1307,78 @@ public class PHPDocumentProvider extends FileDocumentProvider {
   //    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);
-    }
-  }
+//  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);
-    }
-  }
+//  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)
@@ -1399,42 +1479,28 @@ public class PHPDocumentProvider extends FileDocumentProvider {
     return null;
   }
 
-  /**
-   * Returns the working copy this document provider maintains for the given
-   * element.
-   * 
-   * @param element the given element
-   * @return the working copy for the given element
-   */
-  ICompilationUnit getWorkingCopy(IEditorInput element) {
-
-    ElementInfo elementInfo = getElementInfo(element);
-    if (elementInfo instanceof CompilationUnitInfo) {
-      CompilationUnitInfo info = (CompilationUnitInfo) elementInfo;
-      return info.fCopy;
-    }
-
-    return null;
-  }
-
-  /**
-   * Gets the BufferFactory.
-   */
-  public IBufferFactory getBufferFactory() {
-    return fBufferFactory;
-  }
-
-  /**
-   * Shuts down this document provider.
-   */
-  public void shutdown() {
+       /*
+        * @see org.eclipse.jdt.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;
+       }
 
-    PHPeclipsePlugin.getDefault().getPreferenceStore().removePropertyChangeListener(fPropertyListener);
 
-    Iterator e = getConnectedElements();
-    while (e.hasNext())
-      disconnect(e.next());
-  }
+  /*
+        * @see org.eclipse.jdt.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.
@@ -1445,21 +1511,18 @@ public class PHPDocumentProvider extends FileDocumentProvider {
   }
 
   /**
-   * Switches the state of problem acceptance according to the value in the preference store.
-   */
-  protected void enableHandlingTemporaryProblems() {
-    boolean enable = isHandlingTemporaryProblems();
-    for (Iterator iter = getConnectedElements(); iter.hasNext();) {
-      ElementInfo element = getElementInfo(iter.next());
-      if (element instanceof CompilationUnitInfo) {
-        CompilationUnitInfo info = (CompilationUnitInfo) element;
-        if (info.fModel instanceof IProblemRequestorExtension) {
-          IProblemRequestorExtension extension = (IProblemRequestorExtension) info.fModel;
-          extension.setIsActive(enable);
-        }
-      }
-    }
-  }
+        * 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.
@@ -1475,13 +1538,4 @@ public class PHPDocumentProvider extends FileDocumentProvider {
     fGlobalAnnotationModelListener.removeListener(listener);
   }
 
-  /**
-   * Returns whether the given element is connected to this document provider.
-   * 
-   * @param element the element
-   * @return <code>true</code> if the element is connected, <code>false</code> otherwise
-   */
-  boolean isConnected(Object element) {
-    return getElementInfo(element) != null;
-  }
 }